chore(release): bump package version(s) [skip ci]

* rename `host` to `origin` internally

* rename `userOptions` to `authOptions` internally

* use object for `headers` internally

* default `method` to GET

* simplify `unstable_getServerSession`

* allow optional headers

* revert middleware

* wip getURL

* revert host detection

* use old `detectHost`

* fix/add some tests wip

* move more to core, refactor getURL

* better type auth actions

* fix custom path support (w/ api/auth)

* add `getURL` tests

* fix email tests

* fix assert tests

* custom base without api/auth, with trailing slash

* remove parseUrl from assert.ts

* return 400 when wrong url

* fix tests

* refactor

* fix protocol in dev

* fix tests

* fix custom url handling

* add todo comments

.github/ISSUE_TEMPLATE/3_bug_adapter.yml

@@ -31,6 +31,7 @@ body:
         - "@next-auth/pouchdb-adapter"
         - "@next-auth/prisma-adapter"
         - "@next-auth/sequelize-adapter"
+        - "@next-auth/supabase-adapter"
         - "@next-auth/typeorm-legacy-adapter"
         - "@next-auth/upstash-redis-adapter"
         - "@next-auth/xata-adapter"

.github/actions/issue-validator/.gitignore

@@ -0,0 +1,2 @@
+!dist
+!package-lock.json

.github/actions/issue-validator/licenses.txt

@@ -0,0 +1,652 @@
+@actions/core
+MIT
+The MIT License (MIT)
+
+Copyright 2019 GitHub
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+@actions/github
+MIT
+The MIT License (MIT)
+
+Copyright 2019 GitHub
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+@actions/http-client
+MIT
+Actions Http Client for Node.js
+
+Copyright (c) GitHub, Inc.
+
+All rights reserved.
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+associated documentation files (the "Software"), to deal in the Software without restriction,
+including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+@octokit/auth-token
+MIT
+The MIT License
+
+Copyright (c) 2019 Octokit contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+
+@octokit/core
+MIT
+The MIT License
+
+Copyright (c) 2019 Octokit contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+
+@octokit/endpoint
+MIT
+The MIT License
+
+Copyright (c) 2018 Octokit contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+
+@octokit/graphql
+MIT
+The MIT License
+
+Copyright (c) 2018 Octokit contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+
+@octokit/plugin-paginate-rest
+MIT
+MIT License Copyright (c) 2019 Octokit contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next paragraph) shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+@octokit/plugin-rest-endpoint-methods
+MIT
+MIT License Copyright (c) 2019 Octokit contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next paragraph) shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+@octokit/request
+MIT
+The MIT License
+
+Copyright (c) 2018 Octokit contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+
+@octokit/request-error
+MIT
+The MIT License
+
+Copyright (c) 2019 Octokit contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
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+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
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+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+
+
+@vercel/ncc
+MIT
+Copyright 2018 ZEIT, Inc.
+
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+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+
+universal-user-agent
+ISC
+# [ISC License](https://spdx.org/licenses/ISC)
+
+Copyright (c) 2018, Gregor Martynus (https://github.com/gr2m)
+
+Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+
+uuid
+MIT
+The MIT License (MIT)
+
+Copyright (c) 2010-2020 Robert Kieffer and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+webidl-conversions
+BSD-2-Clause
+# The BSD 2-Clause License
+
+Copyright (c) 2014, Domenic Denicola
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+whatwg-url
+MIT
+The MIT License (MIT)
+
+Copyright (c) 2015–2016 Sebastian Mayr
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+
+wrappy
+ISC
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

.github/actions/issue-validator/package-lock.json

@@ -0,0 +1,445 @@
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+        "deprecation": "^2.3.1"
+      }
+    },
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+      "resolved": "https://registry.npmjs.org/@octokit/request/-/request-5.6.3.tgz",
+      "integrity": "sha512-bFJl0I1KVc9jYTe9tdGGpAMPy32dLBXXo1dS/YwSCTL/2nd9XeHsY616RE3HPXDVk+a+dBuzyz5YdlXwcDTr2A==",
+      "requires": {
+        "@octokit/endpoint": "^6.0.1",
+        "@octokit/request-error": "^2.1.0",
+        "@octokit/types": "^6.16.1",
+        "is-plain-object": "^5.0.0",
+        "node-fetch": "^2.6.7",
+        "universal-user-agent": "^6.0.0"
+      }
+    },
+    "@octokit/request-error": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/@octokit/request-error/-/request-error-2.1.0.tgz",
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+        "deprecation": "^2.0.0",
+        "once": "^1.4.0"
+      }
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+      "requires": {
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+      }
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+      "resolved": "https://registry.npmjs.org/@vercel/ncc/-/ncc-0.34.0.tgz",
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+      }
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+        "wrappy": "1"
+      }
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+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
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+    },
+    "tunnel": {
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+      "resolved": "https://registry.npmjs.org/tunnel/-/tunnel-0.0.6.tgz",
+      "integrity": "sha512-1h/Lnq9yajKY2PEbBadPXj3VxsDDu844OnaAo52UVmIzIvwwtBPIuNvkjuzBlTWpfJyUbG3ez0KSBibQkj4ojg=="
+    },
+    "universal-user-agent": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/universal-user-agent/-/universal-user-agent-6.0.0.tgz",
+      "integrity": "sha512-isyNax3wXoKaulPDZWHQqbmIx1k2tb9fb3GGDBRxCscfYV2Ch7WxPArBsFEG8s/safwXTT7H4QGhaIkTp9447w=="
+    },
+    "uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="
+    },
+    "webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="
+    },
+    "whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "requires": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
+    }
+  }
+}

.github/actions/issue-validator/package.json

@@ -0,0 +1,14 @@
+{
+  "private": true,
+  "exports": "./index.mjs",
+  "scripts": {
+    "build": "ncc -m -o . build src/index.mjs --license licenses.txt"
+  },
+  "devDependencies": {
+    "@vercel/ncc": "0.34.0"
+  },
+  "dependencies": {
+    "@actions/core": "1.10.0",
+    "@actions/github": "5.1.1"
+  }
+}

.github/actions/issue-validator/repro.md

@@ -0,0 +1,38 @@
+We cannot recreate the issue with the provided information. **Please add a reproduction in order for us to be able to investigate.**
+
+### **Why was this issue marked with the `incomplete` label?**
+
+To be able to investigate, we need access to a reproduction to identify what triggered the issue. We prefer a link to a public GitHub repository ([template](https://github.com/nextauthjs/next-auth-example)), but you can also use a tool like [CodeSandbox](https://codesandbox.io/s/github/nextauthjs/next-auth-example/tree/main) or [StackBlitz](https://stackblitz.com/fork/github/nextauthjs/next-auth-example).
+
+To make sure the issue is resolved as quickly as possible, please make sure that the reproduction is as **minimal** as possible. This means that you should **remove unnecessary code, files, and dependencies** that do not contribute to the issue.
+
+Please test your reproduction against the latest version of NextAuth.js (`next-auth@latest`) to make sure your issue has not already been fixed.
+
+### **I added a link, why was it still marked?**
+
+Ensure the link is pointing to a codebase that is accessible (e.g. not a private repository). "[example.com](http://example.com/)", "n/a", "will add later", etc. are not acceptable links -- we need to see a public codebase. See the above section for accepted links.
+
+### **What happens if I don't provide a sufficient minimal reproduction?**
+
+Issues with the `incomplete` label that receives no meaningful activity (e.g. new comments with a reproduction link) are automatically closed and locked after 30 days.
+
+If your issue has _not_ been resolved in that time and it has been closed/locked, please open a new issue with the required reproduction.
+
+### **I did not open this issue, but it is relevant to me, what can I do to help?**
+
+Anyone experiencing the same issue is welcome to provide a minimal reproduction following the above steps. Furthermore, you can upvote the issue using the :+1: reaction on the topmost comment (please **do not** comment "I have the same issue" without repro steps). Then, we can sort issues by votes to prioritize.
+
+### **I think my reproduction is good enough, why aren't you looking into it quicker?**
+
+We look into every NextAuth.js issue and constantly monitor open issues for new comments.
+
+However, sometimes we might miss one or two. We apologize, and kindly ask you to refrain from tagging core maintainers, as that will usually not result in increased priority.
+
+Upvoting issues to show your interest will help us prioritize and address them as quickly as possible. That said, every issue is important to us, and if an issue gets closed by accident, we encourage you to open a new one linking to the old issue and we will look into it.
+
+### **Useful Resources**
+
+- [How to create a Minimal, Complete, and Verifiable example](https://stackoverflow.com/help/mcve)
+- [Reporting a NextAuth.js bug](https://github.com/nextauthjs/next-auth/blob/main/.github/ISSUE_TEMPLATE/1_bug_framework.yml)
+- [How to Contribute to Open Source (Next.js)](https://www.youtube.com/watch?v=cuoNzXFLitc)
+

.github/actions/issue-validator/src/index.mjs

@@ -0,0 +1,88 @@
+// @ts-check
+// @ts-expect-error
+import * as github from "@actions/github"
+// @ts-expect-error
+import * as core from "@actions/core"
+import { readFileSync } from "node:fs"
+import { join } from "node:path"
+
+const addReproductionLabel = "incomplete"
+const __dirname =
+  "/home/runner/work/nextauthjs/next-auth/.github/actions/issue-validator"
+
+/**
+ * @typedef {{
+ *  id :number
+ *  node_id :string
+ *  url :string
+ *  name :string
+ *  description :string
+ *  color :string
+ *  default :boolean
+ * }} Label
+ *
+ * @typedef {{
+ *  pull_request: any
+ *  issue?: {body: string, number: number, labels: Label[]}
+ *  label: Label
+ * }} Payload
+ *
+ * @typedef {{
+ *  payload: Payload
+ *  repo: any
+ * }} Context
+ */
+
+async function run() {
+  try {
+    /** @type {Context} */
+    const { payload, repo } = github.context
+    const {
+      issue,
+      pull_request,
+      label: { name: newLabel },
+    } = payload
+
+    if (pull_request || !issue?.body || !process.env.GITHUB_TOKEN) return
+
+    const labels = issue.labels.map((l) => l.name)
+    // const isBugReport =
+    //   labels.includes(bugLabel) || newLabel === bugLabel || !labels.length
+
+    if (
+      // !(isBugReport && issue.number > 43554) &&
+      ![addReproductionLabel].includes(newLabel) &&
+      !labels.includes(addReproductionLabel)
+    ) {
+      return core.info(
+        "Not a bug report or not manually labeled or already labeled."
+      )
+    }
+
+    const client = github.getOctokit(process.env.GITHUB_TOKEN).rest
+    const issueCommon = { ...repo, issue_number: issue.number }
+
+    if (
+      newLabel === addReproductionLabel
+      // || !hasValidRepro
+    ) {
+      await Promise.all([
+        client.issues.addLabels({
+          ...issueCommon,
+          labels: [addReproductionLabel],
+        }),
+        client.issues.createComment({
+          ...issueCommon,
+          body: readFileSync(join(__dirname, "repro.md"), "utf8"),
+        }),
+      ])
+      return core.info(
+        "Commented on issue, because it did not have a sufficient reproduction."
+      )
+    }
+  } catch (error) {
+    core.setFailed(error.message)
+  }
+}
+
+run()

.github/issue-labeler.yml

@@ -30,6 +30,9 @@ prisma:
 sequelize:
   - "@next-auth/sequelize-adapter"
 
+supabase:
+  - "@next-auth/supabase-adapter"
+
 typeorm-legacy:
   - "@next-auth/typeorm-legacy-adapter"
 

.github/pr-labeler.yml

@@ -42,6 +42,9 @@ prisma:
 sequelize:
   - packages/adapter-sequelize/**
 
+supabase:
+  - packages/adapter-supabase/**
+
 typeorm-legacy:
   - packages/adapter-typeorm-legacy/**
 

.github/workflows/codeql-analysis.yml

@@ -18,10 +18,10 @@ jobs:
         language: ["javascript"]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v1
+        uses: github/codeql-action/init@v2
         with:
           languages: ${{ matrix.language }}
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v1
+        uses: github/codeql-action/analyze@v2

.github/workflows/issue-labeler.yml

@@ -11,7 +11,7 @@ jobs:
     name: Triage
     runs-on: ubuntu-latest
     steps:
-      - uses: github/issue-labeler@v2.4.1
+      - uses: github/issue-labeler@v2.5
         with:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"
           configuration-path: ".github/issue-labeler.yml"

.github/workflows/issue-validator.yml

@@ -0,0 +1,17 @@
+name: Validate issue
+on:
+  issues:
+    types: [labeled]
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18
+      - name: 'Run issue validator'
+        run: node ./.github/actions/issue-validator/index.mjs
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/pr-labeler.yml

@@ -10,7 +10,7 @@ jobs:
     name: Triage
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/labeler@v3
+      - uses: actions/labeler@v4
         with:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"
           configuration-path: ".github/pr-labeler.yml"

.github/workflows/release.yml

@@ -15,11 +15,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Init
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 2
       - name: Install pnpm
-        uses: pnpm/action-setup@v2.2.1
+        uses: pnpm/action-setup@v2.2.4
         with:
           version: 7.5.1
       - name: Setup Node
@@ -49,11 +49,11 @@ jobs:
     environment: Production
     steps:
       - name: Init
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Install pnpm
-        uses: pnpm/action-setup@v2.2.1
+        uses: pnpm/action-setup@v2.2.4
         with:
           version: 7.5.1
       - name: Setup Node
@@ -81,9 +81,9 @@ jobs:
     environment: Preview
     steps:
       - name: Init
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Install pnpm
-        uses: pnpm/action-setup@v2.2.1
+        uses: pnpm/action-setup@v2.2.4
         with:
           version: 7.5.1
       - name: Setup Node
@@ -106,7 +106,7 @@ jobs:
         env:
           NPM_TOKEN: ${{ secrets.NPM_TOKEN_PKG }}
       - name: Comment version on PR
-        uses: NejcZdovc/comment-pr@v1
+        uses: NejcZdovc/comment-pr@v2
         with:
           message:
             "🎉 Experimental release [published 📦️ on npm](https://npmjs.com/package/next-auth/v/${{ env.VERSION }})!\n \

.github/workflows/sync-examples.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Run GitHub File Sync
         # Can update to v1 when https://github.com/BetaHuhn/repo-file-sync-action/issues/168 is resolved
         uses: BetaHuhn/repo-file-sync-action@v1.16.5

.gitignore

@@ -65,6 +65,7 @@ dev.db*
 packages/adapter-prisma/prisma/dev.db
 packages/adapter-prisma/prisma/migrations
 db.sqlite
+packages/adapter-supabase/supabase/.branches
 
 # Tests
 coverage

CONTRIBUTING.md

@@ -87,6 +87,7 @@ If you think your custom provider might be useful to others, we encourage you to
 
 1. Add your config: [`src/providers/{provider}.js`](https://github.com/nextauthjs/next-auth/tree/main/packages/next-auth/src/providers) (Make sure you use a named default export, like `export default function YourProvider`!)
 2. Add provider documentation: [`www/docs/providers/{provider}.md`](https://github.com/nextauthjs/next-auth/tree/main/www/docs/providers)
+3. Add provider logo svgs, like `google-dark.svg` (dark mode) and `google.svg` (light mode) to the `/packages/next-auth/provider-logos/` directory. Don't forget to set the provider's styling options in the `provider.style` config object.
 
 That's it! 🎉 Others will be able to discover this provider much more easily now!
 

apps/dev/.env.local.example

@@ -48,4 +48,11 @@ EMAIL_FROM=user@gmail.com
 DATABASE_URL=
 
 WIKIMEDIA_ID=
-WIKIMEDIA_SECRET=
+WIKIMEDIA_SECRET=
+
+# Supabase Example Configuration
+# Supabase Example Configuration
+# NEXT_PUBLIC_SUPABASE_URL=http://localhost:54321
+# SUPABASE_SERVICE_ROLE_KEY=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZS1kZW1vIiwicm9sZSI6InNlcnZpY2Vfcm9sZSJ9.vI9obAHOGyVVKa3pD--kJlyxp-Z2zV9UUMAhKpNLAcU
+# SUPABASE_JWT_SECRET=super-secret-jwt-token-with-at-least-32-characters-long
+# NEXT_PUBLIC_SUPABASE_ANON_KEY=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZS1kZW1vIiwicm9sZSI6ImFub24ifQ.625_WdcF3KHqz5amU0x2X5WWHP-OEs_4qj0ssLNHzTs

apps/dev/components/header.js

@@ -90,6 +90,12 @@ export default function Header() {
           <li className={styles.navItem}>
             <Link href="/middleware-protected">Middleware protected</Link>
           </li>
+          <li className={styles.navItem}>
+            <Link href="/supabase-client-rls">Supabase RLS</Link>
+          </li>
+          <li className={styles.navItem}>
+            <Link href="/supabase-ssr">Supabase RLS(SSR)</Link>
+          </li>
         </ul>
       </nav>
     </header>

apps/dev/package.json

@@ -16,16 +16,19 @@
   "dependencies": {
     "@next-auth/fauna-adapter": "workspace:*",
     "@next-auth/prisma-adapter": "workspace:*",
+    "@next-auth/supabase-adapter": "workspace:*",
     "@next-auth/typeorm-legacy-adapter": "workspace:*",
     "@prisma/client": "^3",
+    "@supabase/supabase-js": "^2.0.5",
     "faunadb": "^4",
-    "next": "13.0.2",
+    "next": "13.0.6",
     "next-auth": "workspace:*",
     "nodemailer": "^6",
     "react": "^18",
     "react-dom": "^18"
   },
   "devDependencies": {
+    "@types/jsonwebtoken": "^8.5.5",
     "@types/react": "^18.0.15",
     "@types/react-dom": "^18.0.6",
     "fake-smtp-server": "^0.8.0",

apps/dev/pages/api/auth/[...nextauth].ts

@@ -1,5 +1,4 @@
-import NextAuth from "next-auth"
-import type { NextAuthOptions } from "next-auth"
+import NextAuth, { type NextAuthOptions } from "next-auth"
 
 // Providers
 import Apple from "next-auth/providers/apple"
@@ -18,7 +17,6 @@ import Freshbooks from "next-auth/providers/freshbooks"
 import GitHub from "next-auth/providers/github"
 import Gitlab from "next-auth/providers/gitlab"
 import Google from "next-auth/providers/google"
-import Hubspot from "next-auth/providers/hubspot"
 import IDS4 from "next-auth/providers/identity-server4"
 import Instagram from "next-auth/providers/instagram"
 import Keycloak from "next-auth/providers/keycloak"
@@ -30,16 +28,12 @@ import Osu from "next-auth/providers/osu"
 import Patreon from "next-auth/providers/patreon"
 import Slack from "next-auth/providers/slack"
 import Spotify from "next-auth/providers/spotify"
-import Todoist from "next-auth/providers/todoist"
 import Trakt from "next-auth/providers/trakt"
 import Twitch from "next-auth/providers/twitch"
 import Twitter, { TwitterLegacy } from "next-auth/providers/twitter"
 import Vk from "next-auth/providers/vk"
 import Wikimedia from "next-auth/providers/wikimedia"
 import WorkOS from "next-auth/providers/workos"
-import Zitadel from "next-auth/providers/zitadel"
-
-// Adapters
 
 // // Prisma
 // import { PrismaClient } from "@prisma/client"
@@ -65,6 +59,13 @@ import Zitadel from "next-auth/providers/zitadel"
 //   synchronize: true,
 // })
 
+// // Supabase
+// import { SupabaseAdapter } from "@next-auth/supabase-adapter"
+// const adapter = SupabaseAdapter({
+//   url: process.env.NEXT_PUBLIC_SUPABASE_URL,
+//   secret: process.env.SUPABASE_SERVICE_ROLE_KEY,
+// })
+
 export const authOptions: NextAuthOptions = {
   // adapter,
   debug: process.env.NODE_ENV !== "production",
@@ -94,7 +95,6 @@ export const authOptions: NextAuthOptions = {
     GitHub({ clientId: process.env.GITHUB_ID, clientSecret: process.env.GITHUB_SECRET }),
     Gitlab({ clientId: process.env.GITLAB_ID, clientSecret: process.env.GITLAB_SECRET }),
     Google({ clientId: process.env.GOOGLE_ID, clientSecret: process.env.GOOGLE_SECRET }),
-    Hubspot({ clientId: process.env.HUBSPOT_ID, clientSecret: process.env.HUBSPOT_SECRET }),
     IDS4({ clientId: process.env.IDS4_ID, clientSecret: process.env.IDS4_SECRET, issuer: process.env.IDS4_ISSUER }),
     Instagram({ clientId: process.env.INSTAGRAM_ID, clientSecret: process.env.INSTAGRAM_SECRET }),
     Keycloak({ clientId: process.env.KEYCLOAK_ID, clientSecret: process.env.KEYCLOAK_SECRET, issuer: process.env.KEYCLOAK_ISSUER }),
@@ -106,7 +106,6 @@ export const authOptions: NextAuthOptions = {
     Patreon({ clientId: process.env.PATREON_ID, clientSecret: process.env.PATREON_SECRET }),
     Slack({ clientId: process.env.SLACK_ID, clientSecret: process.env.SLACK_SECRET }),
     Spotify({ clientId: process.env.SPOTIFY_ID, clientSecret: process.env.SPOTIFY_SECRET }),
-    Todoist({ clientId: process.env.TODOIST_ID, clientSecret: process.env.TODOIST_SECRET }),
     Trakt({ clientId: process.env.TRAKT_ID, clientSecret: process.env.TRAKT_SECRET }),
     Twitch({ clientId: process.env.TWITCH_ID, clientSecret: process.env.TWITCH_SECRET }),
     Twitter({ version: "2.0", clientId: process.env.TWITTER_ID, clientSecret: process.env.TWITTER_SECRET }),
@@ -114,7 +113,6 @@ export const authOptions: NextAuthOptions = {
     Vk({ clientId: process.env.VK_ID, clientSecret: process.env.VK_SECRET }),
     Wikimedia({ clientId: process.env.WIKIMEDIA_ID, clientSecret: process.env.WIKIMEDIA_SECRET }),
     WorkOS({ clientId: process.env.WORKOS_ID, clientSecret: process.env.WORKOS_SECRET }),
-    Zitadel({ issuer: process.env.ZITADEL_ISSUER, clientId: process.env.ZITADEL_CLIENT_ID, clientSecret: process.env.ZITADEL_CLIENT_SECRET }),
   ],
 }
 

apps/dev/pages/api/examples/supabase-rls.js

@@ -0,0 +1,30 @@
+// This is an example of how to query data from Supabase with RLS.
+// Learn more about Row Levele Security (RLS): https://supabase.com/docs/guides/auth/row-level-security
+import { unstable_getServerSession } from "next-auth/next"
+import { authOptions } from "../auth/[...nextauth]"
+import { createClient } from "@supabase/supabase-js"
+
+export default async (req, res) => {
+  const session = await unstable_getServerSession(req, res, authOptions)
+
+  if (!session)
+    return res.send(JSON.stringify({ error: "No session!" }, null, 2))
+
+  const { supabaseAccessToken } = session
+
+  const supabase = createClient(
+    process.env.NEXT_PUBLIC_SUPABASE_URL,
+    process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY,
+    {
+      global: {
+        headers: {
+          Authorization: `Bearer ${supabaseAccessToken}`,
+        },
+      },
+    }
+  )
+  // Now you can query with RLS enabled.
+  const { data, error } = await supabase.from("users").select("*")
+
+  res.send(JSON.stringify({ supabaseAccessToken, data, error }, null, 2))
+}

apps/dev/pages/supabase-client-rls.js

@@ -0,0 +1,49 @@
+import Layout from "../components/layout"
+import { useState, useEffect } from "react"
+import { useSession } from "next-auth/react"
+import { createClient } from "@supabase/supabase-js"
+
+export default function Page() {
+  const { data: session } = useSession()
+  const [data, setData] = useState(null)
+
+  useEffect(() => {
+    if (session) {
+      console.log(session)
+      // User is logged in, let's fetch their data.
+      const { supabaseAccessToken } = session
+      const supabase = createClient(
+        process.env.NEXT_PUBLIC_SUPABASE_URL,
+        process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY,
+        {
+          global: {
+            headers: { Authorization: `Bearer ${supabaseAccessToken}` },
+          },
+        }
+      )
+      // Fetch data with RLS enabled.
+      supabase
+        .from("users")
+        .select("*")
+        .then(({ data }) => setData(data))
+    }
+  }, [session])
+
+  return (
+    <Layout>
+      <h1>Fetch Data from Supabase with RLS</h1>
+      <h2>Client-side data fetching with RLS:</h2>
+      <pre>{JSON.stringify(data, null, 2)}</pre>
+      <h2>API Example</h2>
+      <p>
+        You can also use Supabase in API routes. See the code in the
+        `/pages/api/examples/supabase-rls.js` file.
+      </p>
+      <p>
+        <em>You must be signed in to see responses.</em>
+      </p>
+      <p>/api/examples/supabase-rls</p>
+      <iframe src="/api/examples/supabase-rls" />
+    </Layout>
+  )
+}

apps/dev/pages/supabase-ssr.js

@@ -0,0 +1,68 @@
+// This is an example of how to protect content using server rendering
+// and fetching data from Supabase with RLS enabled.
+import { unstable_getServerSession } from "next-auth/next"
+import { authOptions } from "./api/auth/[...nextauth]"
+import { createClient } from "@supabase/supabase-js"
+import Layout from "../components/layout"
+import AccessDenied from "../components/access-denied"
+
+export default function Page({ data, session }) {
+  // If no session exists, display access denied message
+  if (!session) {
+    return (
+      <Layout>
+        <AccessDenied />
+      </Layout>
+    )
+  }
+
+  // If session exists, display content
+  return (
+    <Layout>
+      <h1>Protected Page</h1>
+      <p>Data fetched during SSR from Supabase with RSL enabled:</p>
+      <pre>{JSON.stringify(data, null, 2)}</pre>
+    </Layout>
+  )
+}
+
+export async function getServerSideProps(context) {
+  const session = await unstable_getServerSession(
+    context.req,
+    context.res,
+    authOptions
+  )
+
+  if (!session)
+    return {
+      props: {
+        session,
+        data: null,
+        error: "No session",
+      },
+    }
+
+  const { supabaseAccessToken } = session
+
+  const supabase = createClient(
+    process.env.NEXT_PUBLIC_SUPABASE_URL,
+    process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY,
+    {
+      global: {
+        headers: {
+          Authorization: `Bearer ${supabaseAccessToken}`,
+        },
+      },
+    }
+  )
+  // Now you can query with RLS enabled.
+  const { data, error } = await supabase.from("users").select("*")
+
+  return {
+    props: {
+      session,
+      data,
+      error,
+    },
+  }
+}

apps/dev/types/nextauth.d.ts

@@ -6,6 +6,8 @@ declare module "next-auth" {
    * Returned by `useSession`, `getSession` and received as a prop on the `SessionProvider` React Context
    */
   interface Session {
+    // A JWT which can be used as Authorization header with supabase-js for RLS.
+    supabaseAccessToken?: string
     user: {
       /** The user's postal address. */
       address: string

docs/docs/adapters/mongodb.md

@@ -15,9 +15,9 @@ The MongoDB adapter does not handle connections automatically, so you will have
 npm install next-auth @next-auth/mongodb-adapter mongodb
 ```
 
-2. Add `lib/mongodb.js`
+2. Add `lib/mongodb.ts`
 
-```js
+```ts
 // This approach is taken from https://github.com/vercel/next.js/tree/canary/examples/with-mongodb
 import { MongoClient } from 'mongodb'
 

docs/docs/adapters/overview.md

@@ -21,6 +21,7 @@ We have a list of official adapters that are distributed as their own packages u
 - [`neo4j`](./neo4j)
 - [`typeorm-legacy`](./typeorm)
 - [`sequelize`](./sequelize)
+- [`supabase`](./supabase)
 - [`dgraph`](./dgraph)
 - [`upstash-redis`](./upstash-redis)
 

docs/docs/adapters/supabase.md

@@ -0,0 +1,309 @@
+---
+id: supabase
+title: Supabase
+---
+
+# Supabase
+
+This is the Supabase Adapter for [`next-auth`](https://next-auth.js.org). This package can only be used in conjunction with the primary `next-auth` package. It is not a standalone package.
+
+:::note
+This adapter is developed by the community and not officially maintained or supported by Supabase. It uses the Supabase Database to store user and session data in a separate `next_auth` schema. It is a standalone Auth server that does not interface with Supabase Auth and therefore provides a different feature set.
+
+If you’re looking for an officially maintained Auth server with additional features like [built-in email server](https://supabase.com/docs/guides/auth/auth-email#configure-email-settings?utm_source=next-auth-docs&medium=referral&campaign=next-auth), [phone auth](https://supabase.com/docs/guides/auth/auth-twilio?utm_source=next-auth-docs&medium=referral&campaign=next-auth), and [Multi Factor Authentication (MFA / 2FA)](https://supabase.com/contact/mfa?utm_source=next-auth-docs&medium=referral&campaign=next-auth), please use [Supabase Auth](https://supabase.com/auth) with the [Auth Helpers for Next.js](https://supabase.com/docs/guides/auth/auth-helpers/nextjs?utm_source=next-auth-docs&medium=referral&campaign=next-auth).
+:::
+
+## Getting Started
+
+1. Install `@supabase/supabase-js`, `next-auth` and `@next-auth/supabase-adapter`.
+
+```bash npm2yarn2pnpm
+npm install @supabase/supabase-js next-auth @next-auth/supabase-adapter
+```
+
+2. Add this adapter to your `pages/api/[...nextauth].js` next-auth configuration object.
+
+```js title="pages/api/auth/[...nextauth].js"
+import NextAuth from "next-auth"
+import { SupabaseAdapter } from "@next-auth/supabase-adapter"
+
+// For more information on each option (and a full list of options) go to
+// https://next-auth.js.org/configuration/options
+export default NextAuth({
+  // https://next-auth.js.org/configuration/providers
+  providers: [...],
+  adapter: SupabaseAdapter({
+    url: process.env.NEXT_PUBLIC_SUPABASE_URL,
+    secret: process.env.SUPABASE_SERVICE_ROLE_KEY,
+  }),
+  // ...
+})
+```
+
+## Setup
+
+### Create the `next_auth` schema in Supabase
+
+Setup your database as described in our main [schema](/adapters/models), by copying the SQL schema below in the Supabase [SQL Editor](https://app.supabase.com/project/_/sql).
+
+Alternatively you can select the NextAuth Quickstart card on the [SQL Editor page](https://app.supabase.com/project/_/sql), or [create a migration with the Supabase CLI](https://supabase.com/docs/guides/cli/local-development#database-migrations?utm_source=next-auth-docs&medium=referral&campaign=next-auth).
+
+```sql
+--
+-- Name: next_auth; Type: SCHEMA;
+--
+CREATE SCHEMA next_auth;
+
+GRANT USAGE ON SCHEMA next_auth TO service_role;
+GRANT ALL ON SCHEMA next_auth TO postgres;
+
+--
+-- Create users table
+--
+CREATE TABLE IF NOT EXISTS next_auth.users
+(
+    id uuid NOT NULL DEFAULT uuid_generate_v4(),
+    name text,
+    email text,
+    "emailVerified" timestamp with time zone,
+    image text,
+    CONSTRAINT users_pkey PRIMARY KEY (id),
+    CONSTRAINT email_unique UNIQUE (email)
+);
+
+GRANT ALL ON TABLE next_auth.users TO postgres;
+GRANT ALL ON TABLE next_auth.users TO service_role;
+
+--- uid() function to be used in RLS policies
+CREATE FUNCTION next_auth.uid() RETURNS uuid
+    LANGUAGE sql STABLE
+    AS $$
+  select
+  	coalesce(
+		nullif(current_setting('request.jwt.claim.sub', true), ''),
+		(nullif(current_setting('request.jwt.claims', true), '')::jsonb ->> 'sub')
+	)::uuid
+$$;
+
+--
+-- Create sessions table
+--
+CREATE TABLE IF NOT EXISTS  next_auth.sessions
+(
+    id uuid NOT NULL DEFAULT uuid_generate_v4(),
+    expires timestamp with time zone NOT NULL,
+    "sessionToken" text NOT NULL,
+    "userId" uuid,
+    CONSTRAINT sessions_pkey PRIMARY KEY (id),
+    CONSTRAINT sessionToken_unique UNIQUE ("sessionToken"),
+    CONSTRAINT "sessions_userId_fkey" FOREIGN KEY ("userId")
+        REFERENCES  next_auth.users (id) MATCH SIMPLE
+        ON UPDATE NO ACTION
+        ON DELETE CASCADE
+);
+
+GRANT ALL ON TABLE next_auth.sessions TO postgres;
+GRANT ALL ON TABLE next_auth.sessions TO service_role;
+
+--
+-- Create accounts table
+--
+CREATE TABLE IF NOT EXISTS  next_auth.accounts
+(
+    id uuid NOT NULL DEFAULT uuid_generate_v4(),
+    type text NOT NULL,
+    provider text NOT NULL,
+    "providerAccountId" text NOT NULL,
+    refresh_token text,
+    access_token text,
+    expires_at bigint,
+    token_type text,
+    scope text,
+    id_token text,
+    session_state text,
+    oauth_token_secret text,
+    oauth_token text,
+    "userId" uuid,
+    CONSTRAINT accounts_pkey PRIMARY KEY (id),
+    CONSTRAINT provider_unique UNIQUE (provider, "providerAccountId"),
+    CONSTRAINT "accounts_userId_fkey" FOREIGN KEY ("userId")
+        REFERENCES  next_auth.users (id) MATCH SIMPLE
+        ON UPDATE NO ACTION
+        ON DELETE CASCADE
+);
+
+GRANT ALL ON TABLE next_auth.accounts TO postgres;
+GRANT ALL ON TABLE next_auth.accounts TO service_role;
+
+--
+-- Create verification_tokens table
+--
+CREATE TABLE IF NOT EXISTS  next_auth.verification_tokens
+(
+    identifier text,
+    token text,
+    expires timestamp with time zone NOT NULL,
+    CONSTRAINT verification_tokens_pkey PRIMARY KEY (token),
+    CONSTRAINT token_unique UNIQUE (token),
+    CONSTRAINT token_identifier_unique UNIQUE (token, identifier)
+);
+
+GRANT ALL ON TABLE next_auth.verification_tokens TO postgres;
+GRANT ALL ON TABLE next_auth.verification_tokens TO service_role;
+```
+
+### Expose the `next_auth` schema in Supabase
+
+Expose the `next_auth` schema via the Serverless API in the [API settings](https://app.supabase.com/project/_/settings/api) by adding `next_auth` to the "Exposed schemas" list.
+
+When developing locally add `next_auth` to the `schemas` array in the `config.toml` file in the `supabase` folder that was generated by the [Supabase CLI](https://supabase.com/docs/guides/cli/local-development#initialize-your-project?utm_source=next-auth-docs&medium=referral&campaign=next-auth).
+
+## Enabling Row Level Security (RLS)
+
+Postgres provides a powerful feature called [Row Level Security (RLS)](https://supabase.com/docs/guides/auth/row-level-security?utm_source=next-auth-docs&medium=referral&campaign=next-auth) to limit access to data.
+
+This works by sending a signed JWT to your [Supabase Serverless API](https://supabase.com/docs/guides/api?utm_source=next-auth-docs&medium=referral&campaign=next-auth). There is two steps to make this work with NextAuth:
+
+### 1. Generate the Supabase `access_token` JWT in the session callback
+
+To sign the JWT use the `jsonwebtoken` package:
+
+```bash npm2yarn2pnpm
+npm install jsonwebtoken
+```
+
+Using the [NexthAuth Session callback](https://next-auth.js.org/configuration/callbacks#session-callback) create the Supabase `access_token` and append it to the `session` object.
+
+To sign the JWT use the Supabase JWT secret which can be found in the [API settings](https://app.supabase.com/project/_/settings/api)
+
+```js title="pages/api/auth/[...nextauth].js"
+import NextAuth from "next-auth"
+import { SupabaseAdapter } from "@next-auth/supabase-adapter"
+import jwt from "jsonwebtoken"
+
+// For more information on each option (and a full list of options) go to
+// https://next-auth.js.org/configuration/options
+export default NextAuth({
+  // https://next-auth.js.org/configuration/providers
+  providers: [...],
+  adapter: SupabaseAdapter({
+    url: process.env.NEXT_PUBLIC_SUPABASE_URL,
+    secret: process.env.SUPABASE_SERVICE_ROLE_KEY,
+  }),
+	callbacks: {
+    async session({ session, user }) {
+      const signingSecret = process.env.SUPABASE_JWT_SECRET
+      if (signingSecret) {
+        const payload = {
+          aud: "authenticated",
+          exp: Math.floor(new Date(session.expires).getTime() / 1000),
+          sub: user.id,
+          email: user.email,
+          role: "authenticated",
+        }
+        session.supabaseAccessToken = jwt.sign(payload, signingSecret)
+      }
+      return session
+    },
+  },
+  // ...
+})
+```
+
+### 2. Inject the Supabase `access_token` JWT into the Supabase Client
+
+For example, given the following public schema:
+
+```sql
+/**
+* USERS
+* Note: This table contains user data. Users should only be able to view and update their own data.
+*/
+create table users (
+  -- UUID from next_auth.users
+  id uuid not null primary key,
+  name text,
+  email text,
+  image text,
+  constraint "users_id_fkey" foreign key ("id")
+        references  next_auth.users (id) match simple
+        on update no action
+        on delete cascade -- if user is deleted in NextAuth they will also be deleted in our public table.
+);
+alter table users enable row level security;
+create policy "Can view own user data." on users for select using (next_auth.uid() = id);
+create policy "Can update own user data." on users for update using (next_auth.uid() = id);
+
+/**
+* This trigger automatically creates a user entry when a new user signs up via NextAuth.
+*/
+create function public.handle_new_user()
+returns trigger as $$
+begin
+  insert into public.users (id, name, email, image)
+  values (new.id, new.name, new.email, new.image);
+  return new;
+end;
+$$ language plpgsql security definer;
+create trigger on_auth_user_created
+  after insert on next_auth.users
+  for each row execute procedure public.handle_new_user();
+```
+
+The `supabaseAccessToken` is now available on the `session` object and can be passed to the supabase-js client. This works in any environment: client-side, server-side (API routes, SSR), as well as in middleware edge functions!
+
+```js
+// ...
+// Use `useSession()` or `unstable_getServerSession()` to get the NextAuth session.
+
+const { supabaseAccessToken } = session
+
+const supabase = createClient(
+  process.env.NEXT_PUBLIC_SUPABASE_URL,
+  process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY,
+  {
+    global: {
+      headers: {
+        Authorization: `Bearer ${supabaseAccessToken}`,
+      },
+    },
+  }
+)
+// Now you can query with RLS enabled.
+const { data, error } = await supabase.from("users").select("*")
+```
+
+## Usage with TypeScript
+
+You can pass types that were [generated with the Supabase CLI](/docs/reference/javascript/typescript-support#generating-types) to the Supabase Client to get enhanced type safety and auto completion.
+
+Creating a new supabase client object:
+
+```tsx
+import { createClient } from "@supabase/supabase-js"
+import { Database } from "../database.types"
+
+const supabase = createClient<Database>()
+```
+
+### Extend the session type with the `supabaseAccessToken`
+
+In order to extend the `session` object with the `supabaseAccessToken` we need to extend the `session` interface in a `types/next-auth.d.ts` file:
+
+```ts title="types/next-auth.d.ts"
+import NextAuth, { DefaultSession } from "next-auth"
+
+declare module "next-auth" {
+  /**
+   * Returned by `useSession`, `getSession` and received as a prop on the `SessionProvider` React Context
+   */
+  interface Session {
+    // A JWT which can be used as Authorization header with supabase-js for RLS.
+    supabaseAccessToken?: string
+    user: {
+      /** The user's postal address. */
+      address: string
+    } & DefaultSession["user"]
+  }
+}
+```

docs/docs/configuration/nextjs.md

@@ -75,9 +75,10 @@ You can also use `unstable_getServerSession` in Next.js' server components:
 
 ```tsx
 import { unstable_getServerSession } from "next-auth/next"
+import { authOptions } from "pages/api/auth/[...nextauth]"
 
 export default async function Page() {
-  const session = await unstable_getServerSession()
+  const session = await unstable_getServerSession(authOptions)
   return <pre>{JSON.stringify(session, null, 2)}</pre>
 }
 ```

docs/docs/configuration/options.md

@@ -472,7 +472,8 @@ cookies: {
       httpOnly: true,
       sameSite: 'lax',
       path: '/',
-      secure: useSecureCookies
+      secure: useSecureCookies,
+      maxAge: 900
     }
   },
   state: {
@@ -482,6 +483,7 @@ cookies: {
       sameSite: "lax",
       path: "/",
       secure: useSecureCookies,
+      maxAge: 900
     },
   },
   nonce: {

docs/docs/configuration/providers/email.md

@@ -13,7 +13,7 @@ Adding support for signing in via email in addition to one or more OAuth service
 Configuration is similar to other providers, but the options are different:
 
 ```js title="pages/api/auth/[...nextauth].js"
-import EmailProvider from `next-auth/providers/email`
+import EmailProvider from "next-auth/providers/email"
 ...
 providers: [
   EmailProvider({

docs/docs/configuration/providers/oauth.md

@@ -174,6 +174,10 @@ interface OAuthConfig {
   issuer?: string
   client?: Partial<ClientMetadata>
   allowDangerousEmailAccountLinking?: boolean
+  /**
+   * Object containing the settings for the styling of the providers sign-in buttons
+   */
+  style: ProviderStyleType
 }
 ```
 
@@ -428,7 +432,8 @@ If you think your custom provider might be useful to others, we encourage you to
 You only need to add three changes:
 
 1. Add your config: [`src/providers/{provider}.ts`](https://github.com/nextauthjs/next-auth/tree/main/packages/next-auth/src/providers)<br />
-   • make sure you use a named default export, like this: `export default function YourProvider`
+    - Make sure you use a named default export, like this: `export default function YourProvider`
+    - Add two SVG's of the provider logo, like `google-dark.svg` (dark mode) and `google.svg` (light mode), to the `/packages/next-auth/provider-logos/` directory as well as the styling config to the provider config object. See existing provider for example
 2. Add provider documentation: [`/docs/providers/{provider}.md`](https://github.com/nextauthjs/next-auth/tree/main/docs/docs/providers)
 3. Add the new provider name to the `Provider type` dropdown options in [`the provider issue template`](<[http](https://github.com/nextauthjs/next-auth/edit/main/.github/ISSUE_TEMPLATE/2_bug_provider.yml)>)
 

docs/docs/providers/strava.md

@@ -11,7 +11,7 @@ http://developers.strava.com/docs/reference/
 
 The **Strava Provider** comes with a set of default options:
 
-- [Strava Provider options](https://github.com/nextauthjs/next-auth/blob/main/packages/next-auth/src/providers/strava.js)
+- [Strava Provider options](https://github.com/nextauthjs/next-auth/blob/main/packages/next-auth/src/providers/strava.ts)
 
 You can override any of the options to suit your own use case. Ensure the redirect_uri configuration fits your needs accordingly.
 

docs/docs/tutorials.md

@@ -46,6 +46,10 @@ title: Tutorials and Explainers
 - Learn how to use Sign-In With Ethereum to authenticate your users with their existing Ethereum wallets - identifiers they personally control.
 - Example application: [spruceid/siwe-next-auth-example](https://github.com/spruceid/siwe-next-auth-example)
 
+#### [Next.js Authentication with Okta and NextAuth.js 4.0](https://thetombomb.com/posts/nextjs-nextauth-okta) <svg xmlns="http://www.w3.org/2000/svg" style={{ marginLeft: '5px', marginBottom:'-6px'}} height="20" width="20" fill="none" viewBox="0 0 24 24" stroke="currentColor"><title>External</title> <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14" /> </svg>
+
+- Learn how to perform authentication with an OIDC Application in Okta and NextAuth.js.
+
 ## Fullstack
 
 #### [Build a FullStack App with Next.js, NextAuth.js, Supabase & Prisma](https://themodern.dev/courses/build-a-fullstack-app-with-nextjs-supabase-and-prisma-322389284337222224) <svg xmlns="http://www.w3.org/2000/svg" style={{ marginLeft: '5px', marginBottom:'-6px'}} height="20" width="20" fill="none" viewBox="0 0 24 24" stroke="currentColor"><title>External</title> <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14" /> </svg>

docs/docs/tutorials/securing-pages-and-api-routes.md

@@ -61,7 +61,7 @@ For the time being, the `withAuth` middleware only supports `"jwt"` as [session
 More details can be found [here](https://next-auth.js.org/configuration/nextjs#middleware).
 
 :::tip
-To inclue all `dashboard` nested routes (sub pages like `/dashboard/settings`, `/dashboard/profile`) you can pass `matcher: "/dashboard/:path*"` to `config`.
+To include all `dashboard` nested routes (sub pages like `/dashboard/settings`, `/dashboard/profile`) you can pass `matcher: "/dashboard/:path*"` to `config`.
 
 For other patterns check out the [Next.js Middleware documentation](https://nextjs.org/docs/advanced-features/middleware#matcher).
 :::

docs/sidebars.js

@@ -65,6 +65,7 @@ module.exports = {
         "adapters/neo4j",
         "adapters/typeorm",
         "adapters/sequelize",
+        "adapters/supabase",
         "adapters/mikro-orm",
         "adapters/dgraph",
         "adapters/upstash-redis",

docs/versioned_docs/version-beta/guides/09-resources.md

@@ -14,6 +14,10 @@ If you did not find a guide or tutorial covering your use case, please [open an
   - How to restrict access to pages and API routes.
 - [Usage with class components](/tutorials/usage-with-class-components)
   - How to use `useSession()` hook with class components.
+- [Next.js Authentication with Okta and NextAuth.js 4.0](https://thetombomb.com/posts/nextjs-nextauth-okta)
+  - Learn how to perform authentication with an OIDC Application in Okta and NextAuth.js.
+
+  
 
 ### Advanced
 

packages/adapter-firebase/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@next-auth/firebase-adapter",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "Firebase adapter for next-auth.",
   "homepage": "https://next-auth.js.org",
   "repository": "https://github.com/nextauthjs/next-auth",
@@ -29,7 +29,7 @@
   },
   "scripts": {
     "build": "tsc",
-    "test": "FIRESTORE_EMULATOR_HOST=localhost:8080 firebase emulators:exec --only firestore --project next-auth-test jest"
+    "test": "FIRESTORE_EMULATOR_HOST=localhost:8080 firebase --token '$FIREBASE_TOKEN' emulators:exec --only firestore --project next-auth-test jest"
   },
   "peerDependencies": {
     "firebase": "^9.7.0",
@@ -38,9 +38,9 @@
   "devDependencies": {
     "@next-auth/adapter-test": "workspace:*",
     "@next-auth/tsconfig": "workspace:*",
-    "firebase": "^9.7.0",
-    "firebase-tools": "^10.7.2",
+    "firebase": "^9.14.0",
+    "firebase-tools": "^11.16.1",
     "jest": "^27.4.3",
     "next-auth": "workspace:*"
   }
-}
+}

packages/adapter-firebase/src/index.ts

@@ -86,10 +86,10 @@ export function FirestoreAdapter({
     async getUserByEmail(email) {
       const userQuery = query(Users, where("email", "==", email), limit(1))
       const userSnapshots = await getDocs(userQuery)
-      const userSnpashot = userSnapshots.docs[0]
+      const userSnapshot = userSnapshots.docs[0]
 
-      if (userSnpashot?.exists() && Users.converter) {
-        return Users.converter.fromFirestore(userSnpashot)
+      if (userSnapshot?.exists() && Users.converter) {
+        return Users.converter.fromFirestore(userSnapshot)
       }
 
       return null

packages/adapter-firebase/tsconfig.json

@@ -1,5 +1,5 @@
 {
-  "extends": "@next-auth/tsconfig/tsconfig.base.json",
+  "extends": "@next-auth/tsconfig/tsconfig.adapters.json",
   "compilerOptions": {
     "rootDir": "src",
     "outDir": "dist",

packages/adapter-pouchdb/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@next-auth/pouchdb-adapter",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "description": "PouchDB adapter for next-auth.",
   "homepage": "https://next-auth.js.org",
   "repository": "https://github.com/nextauthjs/next-auth",

packages/adapter-pouchdb/tsconfig.json

@@ -1,5 +1,5 @@
 {
-  "extends": "@next-auth/tsconfig/tsconfig.base.json",
+  "extends": "@next-auth/tsconfig/tsconfig.adapters.json",
   "compilerOptions": {
     "rootDir": "src",
     "outDir": "dist",

packages/adapter-sequelize/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@next-auth/sequelize-adapter",
-  "version": "1.0.6",
+  "version": "1.0.7",
   "description": "Sequelize adapter for next-auth.",
   "homepage": "https://next-auth.js.org",
   "repository": "https://github.com/nextauthjs/next-auth",
@@ -42,4 +42,4 @@
   "jest": {
     "preset": "@next-auth/adapter-test/jest"
   }
-}
+}

packages/adapter-sequelize/src/models.ts

@@ -14,7 +14,7 @@ export const Account = {
   expires_at: { type: DataTypes.INTEGER },
   token_type: { type: DataTypes.STRING },
   scope: { type: DataTypes.STRING },
-  id_token: { type: DataTypes.STRING },
+  id_token: { type: DataTypes.TEXT },
   session_state: { type: DataTypes.STRING },
   userId: { type: DataTypes.UUID },
 }

packages/adapter-supabase/.env.example

@@ -0,0 +1,3 @@
+# Run `supabase start` in this directory to get the Supabase API URL and service role key!
+SUPABASE_URL=http://localhost:54321
+SUPABASE_SERVICE_ROLE_KEY=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZS1kZW1vIiwicm9sZSI6InNlcnZpY2Vfcm9sZSJ9.vI9obAHOGyVVKa3pD--kJlyxp-Z2zV9UUMAhKpNLAcU

packages/adapter-supabase/README.md

@@ -0,0 +1,57 @@
+<p align="center">
+	 <br/>
+	 <a href="https://next-auth.js.org" target="_blank">
+		<img height="64px" src="https://next-auth.js.org/img/logo/logo-sm.png" /></a><img height="64px" src="./logo.svg" />
+	 <h3 align="center"><b>Supabase Adapter</b> - NextAuth.js</h3>
+	 <p align="center">
+	 Open Source. Full Stack. Own Your Data.
+	 </p>
+	 <p align="center" style="align: center;">
+			<img src="https://github.com/nextauthjs/next-auth/actions/workflows/release.yml/badge.svg?branch=main" alt="Build Test" />
+			<img src="https://img.shields.io/bundlephobia/minzip/@next-auth/supabase-adapter/latest" alt="Bundle Size"/>
+			<img src="https://img.shields.io/npm/v/@next-auth/supabase-adapter" alt="@next-auth/supabase-adapter Version" />
+	 </p>
+</p>
+
+## Overview
+
+This is the Supabase Adapter for [`next-auth`](https://next-auth.js.org). This package can only be used in conjunction with the primary `next-auth` package. It is not a standalone package.
+
+You can find more Supabase information in the docs at [next-auth.js.org/adapters/supabase](https://next-auth.js.org/adapters/supabase).
+
+## Getting Started
+
+1. Install `@supabase/supabase-js`, `next-auth` and `@next-auth/supabase-adapter`.
+
+```js
+npm install @supabase/supabase-js next-auth @next-auth/supabase-adapter
+```
+
+2. Add this adapter to your `pages/api/[...nextauth].js` next-auth configuration object.
+
+```js
+import NextAuth from "next-auth"
+import { SupabaseAdapter } from "@next-auth/supabase-adapter"
+
+// For more information on each option (and a full list of options) go to
+// https://next-auth.js.org/configuration/options
+export default NextAuth({
+  // https://next-auth.js.org/configuration/providers
+  providers: [
+    // ...
+  ],
+  adapter: SupabaseAdapter({
+    url: process.env.NEXT_PUBLIC_SUPABASE_URL,
+    secret: process.env.SUPABASE_SERVICE_ROLE_KEY,
+  }),
+  // ...
+})
+```
+
+## Contributing
+
+We're open to all community contributions! If you'd like to contribute in any way, please read our [Contributing Guide](https://github.com/nextauthjs/next-auth/blob/main/CONTRIBUTING.md).
+
+## License
+
+ISC

packages/adapter-supabase/logo.svg

@@ -0,0 +1,15 @@
+<svg width="109" height="113" viewBox="0 0 109 113" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M63.7076 110.284C60.8481 113.885 55.0502 111.912 54.9813 107.314L53.9738 40.0627L99.1935 40.0627C107.384 40.0627 111.952 49.5228 106.859 55.9374L63.7076 110.284Z" fill="url(#paint0_linear)"/>
+<path d="M63.7076 110.284C60.8481 113.885 55.0502 111.912 54.9813 107.314L53.9738 40.0627L99.1935 40.0627C107.384 40.0627 111.952 49.5228 106.859 55.9374L63.7076 110.284Z" fill="url(#paint1_linear)" fill-opacity="0.2"/>
+<path d="M45.317 2.07103C48.1765 -1.53037 53.9745 0.442937 54.0434 5.041L54.4849 72.2922H9.83113C1.64038 72.2922 -2.92775 62.8321 2.1655 56.4175L45.317 2.07103Z" fill="#3ECF8E"/>
+<defs>
+<linearGradient id="paint0_linear" x1="53.9738" y1="54.974" x2="94.1635" y2="71.8295" gradientUnits="userSpaceOnUse">
+<stop stop-color="#249361"/>
+<stop offset="1" stop-color="#3ECF8E"/>
+</linearGradient>
+<linearGradient id="paint1_linear" x1="36.1558" y1="30.578" x2="54.4844" y2="65.0806" gradientUnits="userSpaceOnUse">
+<stop/>
+<stop offset="1" stop-opacity="0"/>
+</linearGradient>
+</defs>
+</svg>

packages/adapter-supabase/package.json

@@ -0,0 +1,40 @@
+{
+  "name": "@next-auth/supabase-adapter",
+  "version": "0.2.0",
+  "description": "Supabase adapter for next-auth.",
+  "homepage": "https://next-auth.js.org",
+  "repository": "https://github.com/nextauthjs/next-auth",
+  "bugs": {
+    "url": "https://github.com/nextauthjs/next-auth/issues"
+  },
+  "author": "Martin Sonnberger <martin.sonnberger@icloud.com>",
+  "main": "dist/index.js",
+  "keywords": [
+    "next-auth",
+    "next.js",
+    "supabase"
+  ],
+  "license": "ISC",
+  "private": false,
+  "publishConfig": {
+    "access": "public"
+  },
+  "scripts": {
+    "build": "tsc",
+    "test": "./tests/test.sh"
+  },
+  "peerDependencies": {
+    "@supabase/supabase-js": "^2.0.5",
+    "next-auth": "workspace:*"
+  },
+  "devDependencies": {
+    "@next-auth/adapter-test": "workspace:^0.0.0",
+    "@next-auth/tsconfig": "workspace:^0.0.0",
+    "@supabase/supabase-js": "^2.0.5",
+    "jest": "^27.4.3",
+    "next-auth": "workspace:*"
+  },
+  "jest": {
+    "preset": "@next-auth/adapter-test/jest"
+  }
+}

packages/adapter-supabase/src/database.types.ts

@@ -0,0 +1,140 @@
+export type Json =
+  | string
+  | number
+  | boolean
+  | null
+  | { [key: string]: Json }
+  | Json[]
+
+export interface Database {
+  next_auth: {
+    Tables: {
+      accounts: {
+        Row: {
+          id: string
+          type: string | null
+          provider: string | null
+          providerAccountId: string | null
+          refresh_token: string | null
+          access_token: string | null
+          expires_at: number | null
+          token_type: string | null
+          scope: string | null
+          id_token: string | null
+          session_state: string | null
+          oauth_token_secret: string | null
+          oauth_token: string | null
+          userId: string | null
+        }
+        Insert: {
+          id?: string
+          type?: string | null
+          provider?: string | null
+          providerAccountId?: string | null
+          refresh_token?: string | null
+          access_token?: string | null
+          expires_at?: number | null
+          token_type?: string | null
+          scope?: string | null
+          id_token?: string | null
+          session_state?: string | null
+          oauth_token_secret?: string | null
+          oauth_token?: string | null
+          userId?: string | null
+        }
+        Update: {
+          id?: string
+          type?: string | null
+          provider?: string | null
+          providerAccountId?: string | null
+          refresh_token?: string | null
+          access_token?: string | null
+          expires_at?: number | null
+          token_type?: string | null
+          scope?: string | null
+          id_token?: string | null
+          session_state?: string | null
+          oauth_token_secret?: string | null
+          oauth_token?: string | null
+          userId?: string | null
+        }
+      }
+      sessions: {
+        Row: {
+          expires: string | null
+          sessionToken: string | null
+          userId: string | null
+          id: string
+        }
+        Insert: {
+          expires?: string | null
+          sessionToken?: string | null
+          userId?: string | null
+          id?: string
+        }
+        Update: {
+          expires?: string | null
+          sessionToken?: string | null
+          userId?: string | null
+          id?: string
+        }
+      }
+      users: {
+        Row: {
+          name: string | null
+          email: string | null
+          emailVerified: string | null
+          image: string | null
+          id: string
+        }
+        Insert: {
+          name?: string | null
+          email?: string | null
+          emailVerified?: string | null
+          image?: string | null
+          id?: string
+        }
+        Update: {
+          name?: string | null
+          email?: string | null
+          emailVerified?: string | null
+          image?: string | null
+          id?: string
+        }
+      }
+      verification_tokens: {
+        Row: {
+          id: number
+          identifier: string | null
+          token: string | null
+          expires: string | null
+        }
+        Insert: {
+          id?: number
+          identifier?: string | null
+          token?: string | null
+          expires?: string | null
+        }
+        Update: {
+          id?: number
+          identifier?: string | null
+          token?: string | null
+          expires?: string | null
+        }
+      }
+    }
+    Views: {
+      [_ in never]: never
+    }
+    Functions: {
+      uid: {
+        Args: Record<PropertyKey, never>
+        Returns: string
+      }
+    }
+    Enums: {
+      [_ in never]: never
+    }
+  }
+}
+

packages/adapter-supabase/src/index.ts

@@ -0,0 +1,212 @@
+import { createClient } from "@supabase/supabase-js"
+import { Database } from "./database.types"
+import {
+  Adapter,
+  AdapterSession,
+  AdapterUser,
+  VerificationToken,
+} from "next-auth/adapters"
+
+function isDate(date: any) {
+  return (
+    new Date(date).toString() !== "Invalid Date" && !isNaN(Date.parse(date))
+  )
+}
+
+export function format<T>(obj: Record<string, any>): T {
+  for (const [key, value] of Object.entries(obj)) {
+    if (value === null) {
+      delete obj[key]
+    }
+
+    if (isDate(value)) {
+      obj[key] = new Date(value)
+    }
+  }
+
+  return obj as T
+}
+
+export const SupabaseAdapter = ({
+  url,
+  secret,
+}: {
+  url: string
+  secret: string
+}): Adapter => {
+  const supabase = createClient<Database, "next_auth">(url, secret, {
+    db: { schema: "next_auth" },
+    global: {
+      headers: { "X-Client-Info": "@next-auth/supabase-adapter@0.1.0" },
+    },
+  })
+  return {
+    async createUser(user) {
+      const { data, error } = await supabase
+        .from("users")
+        .insert({
+          ...user,
+          emailVerified: user.emailVerified?.toISOString(),
+        })
+        .select()
+        .single()
+
+      if (error) throw error
+
+      return format<AdapterUser>(data)
+    },
+    async getUser(id) {
+      const { data, error } = await supabase
+        .from("users")
+        .select()
+        .eq("id", id)
+        .maybeSingle()
+
+      if (error) throw error
+      if (!data) return null
+
+      return format<AdapterUser>(data)
+    },
+    async getUserByEmail(email) {
+      const { data, error } = await supabase
+        .from("users")
+        .select()
+        .eq("email", email)
+        .maybeSingle()
+
+      if (error) throw error
+      if (!data) return null
+
+      return format<AdapterUser>(data)
+    },
+    async getUserByAccount({ providerAccountId, provider }) {
+      const { data, error } = await supabase
+        .from("accounts")
+        .select("users (*)")
+        .match({ provider, providerAccountId })
+        .maybeSingle()
+
+      if (error) throw error
+      if (!data || !data.users) return null
+
+      return format<AdapterUser>(data.users)
+    },
+    async updateUser(user) {
+      const { data, error } = await supabase
+        .from("users")
+        .update({
+          ...user,
+          emailVerified: user.emailVerified?.toISOString(),
+        })
+        .eq("id", user.id)
+        .select()
+        .single()
+
+      if (error) throw error
+
+      return format<AdapterUser>(data)
+    },
+    async deleteUser(userId) {
+      const { error } = await supabase.from("users").delete().eq("id", userId)
+
+      if (error) throw error
+    },
+    async linkAccount(account) {
+      const { error } = await supabase.from("accounts").insert(account)
+
+      if (error) throw error
+    },
+    async unlinkAccount({ providerAccountId, provider }) {
+      const { error } = await supabase
+        .from("accounts")
+        .delete()
+        .match({ provider, providerAccountId })
+
+      if (error) throw error
+    },
+    async createSession({ sessionToken, userId, expires }) {
+      const { data, error } = await supabase
+        .from("sessions")
+        .insert({ sessionToken, userId, expires: expires.toISOString() })
+        .select()
+        .single()
+
+      if (error) throw error
+
+      return format<AdapterSession>(data)
+    },
+    async getSessionAndUser(sessionToken) {
+      const { data, error } = await supabase
+        .from("sessions")
+        .select("*, users(*)")
+        .eq("sessionToken", sessionToken)
+        .maybeSingle()
+
+      if (error) throw error
+      if (!data) return null
+
+      const { users: user, ...session } = data
+
+      return {
+        user: format<AdapterUser>(
+          user as Database["next_auth"]["Tables"]["users"]["Row"]
+        ),
+        session: format<AdapterSession>(session),
+      }
+    },
+    async updateSession(session) {
+      const { data, error } = await supabase
+        .from("sessions")
+        .update({
+          ...session,
+          expires: session.expires?.toISOString(),
+        })
+        .eq("sessionToken", session.sessionToken)
+        .select()
+        .single()
+
+      if (error) throw error
+
+      return format<AdapterSession>(data)
+    },
+    async deleteSession(sessionToken) {
+      const { error } = await supabase
+        .from("sessions")
+        .delete()
+        .eq("sessionToken", sessionToken)
+
+      if (error) throw error
+    },
+    async createVerificationToken(token) {
+      const { data, error } = await supabase
+        .from("verification_tokens")
+        .insert({
+          ...token,
+          expires: token.expires.toISOString(),
+        })
+        .select()
+        .single()
+
+      if (error) throw error
+
+      const { id, ...verificationToken } = data
+
+      return format<VerificationToken>(verificationToken)
+    },
+    async useVerificationToken({ identifier, token }) {
+      const { data, error } = await supabase
+        .from("verification_tokens")
+        .delete()
+        .match({ identifier, token })
+        .select()
+        .maybeSingle()
+
+      if (error) throw error
+      if (!data) return null
+
+      const { id, ...verificationToken } = data
+
+      return format<VerificationToken>(verificationToken)
+    },
+  }
+}

packages/adapter-supabase/supabase/config.toml

@@ -0,0 +1,44 @@
+# A string used to distinguish different Supabase projects on the same host. Defaults to the working
+# directory name when running `supabase init`.
+project_id = "nextauth"
+
+[api]
+# Port to use for the API URL.
+port = 54321
+# Schemas to expose in your API. Tables, views and stored procedures in this schema will get API
+# endpoints. public and storage are always included.
+schemas = ["next_auth"]
+# Extra schemas to add to the search_path of every request.
+extra_search_path = ["extensions"]
+# The maximum number of rows returns from a view, table, or stored procedure. Limits payload size
+# for accidental or malicious requests.
+max_rows = 1000
+
+[db]
+# Port to use for the local database URL.
+port = 54322
+# The database major version to use. This has to be the same as your remote database's. Run `SHOW
+# server_version;` on the remote database to check.
+major_version = 14
+
+[studio]
+# Port to use for Supabase Studio.
+port = 54323
+
+# Email testing server. Emails sent with the local dev setup are not actually sent - rather, they
+# are monitored, and you can view the emails that would have been sent from the web interface.
+[inbucket]
+# Port to use for the email testing server web interface.
+port = 54324
+
+[auth]
+# The base URL of your website. Used as an allow-list for redirects and for constructing URLs used
+# in emails.
+site_url = "http://localhost:3000"
+# A list of *exact* URLs that auth providers are permitted to redirect to post authentication.
+additional_redirect_urls = ["https://localhost:3000"]
+# How long tokens are valid for, in seconds. Defaults to 3600 (1 hour), maximum 604,800 seconds (one
+# week).
+jwt_expiry = 3600
+# Allow/disallow new user signups to your project.
+enable_signup = true

packages/adapter-supabase/supabase/migrations/20221108043803_create_next_auth_schema.sql

@@ -0,0 +1,101 @@
+--
+-- Name: next_auth; Type: SCHEMA;
+--
+CREATE SCHEMA next_auth;
+
+GRANT USAGE ON SCHEMA next_auth TO service_role;
+GRANT ALL ON SCHEMA next_auth TO postgres;
+
+--
+-- Create users table
+--
+CREATE TABLE IF NOT EXISTS next_auth.users
+(
+    id uuid NOT NULL DEFAULT uuid_generate_v4(),
+    name text,
+    email text,
+    "emailVerified" timestamp with time zone,
+    image text,
+    CONSTRAINT users_pkey PRIMARY KEY (id),
+    CONSTRAINT email_unique UNIQUE (email)
+);
+
+GRANT ALL ON TABLE next_auth.users TO postgres;
+GRANT ALL ON TABLE next_auth.users TO service_role;
+
+--- uid() function to be used in RLS policies
+CREATE FUNCTION next_auth.uid() RETURNS uuid
+    LANGUAGE sql STABLE
+    AS $$
+  select 
+  	coalesce(
+		nullif(current_setting('request.jwt.claim.sub', true), ''),
+		(nullif(current_setting('request.jwt.claims', true), '')::jsonb ->> 'sub')
+	)::uuid
+$$;
+
+--
+-- Create sessions table
+--
+CREATE TABLE IF NOT EXISTS  next_auth.sessions
+(
+    id uuid NOT NULL DEFAULT uuid_generate_v4(),
+    expires timestamp with time zone NOT NULL,
+    "sessionToken" text NOT NULL,
+    "userId" uuid,
+    CONSTRAINT sessions_pkey PRIMARY KEY (id),
+    CONSTRAINT sessionToken_unique UNIQUE ("sessionToken"),
+    CONSTRAINT "sessions_userId_fkey" FOREIGN KEY ("userId")
+        REFERENCES  next_auth.users (id) MATCH SIMPLE
+        ON UPDATE NO ACTION
+        ON DELETE CASCADE
+);
+
+GRANT ALL ON TABLE next_auth.sessions TO postgres;
+GRANT ALL ON TABLE next_auth.sessions TO service_role;
+
+--
+-- Create accounts table
+--
+CREATE TABLE IF NOT EXISTS  next_auth.accounts
+(
+    id uuid NOT NULL DEFAULT uuid_generate_v4(),
+    type text NOT NULL,
+    provider text NOT NULL,
+    "providerAccountId" text NOT NULL,
+    refresh_token text,
+    access_token text,
+    expires_at bigint,
+    token_type text,
+    scope text,
+    id_token text,
+    session_state text,
+    oauth_token_secret text,
+    oauth_token text,
+    "userId" uuid,
+    CONSTRAINT accounts_pkey PRIMARY KEY (id),
+    CONSTRAINT provider_unique UNIQUE (provider, "providerAccountId"),
+    CONSTRAINT "accounts_userId_fkey" FOREIGN KEY ("userId")
+        REFERENCES  next_auth.users (id) MATCH SIMPLE
+        ON UPDATE NO ACTION
+        ON DELETE CASCADE
+);
+
+GRANT ALL ON TABLE next_auth.accounts TO postgres;
+GRANT ALL ON TABLE next_auth.accounts TO service_role;
+
+--
+-- Create verification_tokens table
+--
+CREATE TABLE IF NOT EXISTS  next_auth.verification_tokens
+(
+    identifier text,
+    token text,
+    expires timestamp with time zone NOT NULL,
+    CONSTRAINT verification_tokens_pkey PRIMARY KEY (token),
+    CONSTRAINT token_unique UNIQUE (token),
+    CONSTRAINT token_identifier_unique UNIQUE (token, identifier)
+);
+
+GRANT ALL ON TABLE next_auth.verification_tokens TO postgres;
+GRANT ALL ON TABLE next_auth.verification_tokens TO service_role;

packages/adapter-supabase/supabase/migrations/20221108044627_create_public_users_table.sql

@@ -0,0 +1,33 @@
+/** 
+* USERS
+* Note: This table contains user data. Users should only be able to view and update their own data.
+*/
+create table users (
+  -- UUID from next_auth.users
+  id uuid not null primary key,
+  name text,
+  email text,
+  image text,
+  constraint "users_id_fkey" foreign key ("id")
+        references  next_auth.users (id) match simple
+        on update no action
+        on delete cascade -- if user is deleted in NextAuth they will also be deleted in our public table.
+);
+alter table users enable row level security;
+create policy "Can view own user data." on users for select using (next_auth.uid() = id);
+create policy "Can update own user data." on users for update using (next_auth.uid() = id);
+
+/**
+* This trigger automatically creates a user entry when a new user signs up via NextAuth.
+*/ 
+create function public.handle_new_user() 
+returns trigger as $$
+begin
+  insert into public.users (id, name, email, image)
+  values (new.id, new.name, new.email, new.image);
+  return new;
+end;
+$$ language plpgsql security definer;
+create trigger on_auth_user_created
+  after insert on next_auth.users
+  for each row execute procedure public.handle_new_user();

packages/adapter-supabase/tests/index.test.ts

@@ -0,0 +1,76 @@
+import { runBasicTests } from "@next-auth/adapter-test"
+import { format, SupabaseAdapter } from "../src"
+import { createClient } from "@supabase/supabase-js"
+import type {
+  AdapterSession,
+  AdapterUser,
+  VerificationToken,
+} from "next-auth/adapters"
+import type { Account } from "next-auth"
+
+const supabase = createClient(
+  process.env.SUPABASE_URL ?? "http://localhost:54321",
+  process.env.SUPABASE_SERVICE_ROLE_KEY ??
+    "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZS1kZW1vIiwicm9sZSI6InNlcnZpY2Vfcm9sZSJ9.vI9obAHOGyVVKa3pD--kJlyxp-Z2zV9UUMAhKpNLAcU",
+  { db: { schema: "next_auth" } }
+)
+
+runBasicTests({
+  adapter: SupabaseAdapter({
+    url: process.env.SUPABASE_URL ?? "http://localhost:54321",
+    secret:
+      process.env.SUPABASE_SERVICE_ROLE_KEY ??
+      "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZS1kZW1vIiwicm9sZSI6InNlcnZpY2Vfcm9sZSJ9.vI9obAHOGyVVKa3pD--kJlyxp-Z2zV9UUMAhKpNLAcU",
+  }),
+  db: {
+    async session(sessionToken) {
+      const { data, error } = await supabase
+        .from("sessions")
+        .select()
+        .eq("sessionToken", sessionToken)
+        .maybeSingle()
+
+      if (error) throw error
+      if (!data) return null
+
+      return format<AdapterSession>(data)
+    },
+    async user(id) {
+      const { data, error } = await supabase
+        .from("users")
+        .select()
+        .eq("id", id)
+        .maybeSingle()
+
+      if (error) throw error
+      if (!data) return null
+
+      return format<AdapterUser>(data)
+    },
+    async account({ provider, providerAccountId }) {
+      const { data, error } = await supabase
+        .from("accounts")
+        .select()
+        .match({ provider, providerAccountId })
+        .maybeSingle()
+
+      if (error) throw error
+      if (!data) return null
+
+      return format<Account>(data)
+    },
+    async verificationToken({ identifier, token }) {
+      const { data, error } = await supabase
+        .from("verification_tokens")
+        .select()
+        .match({ identifier, token })
+        .single()
+
+      if (error) throw error
+
+      const { id, ...verificationToken } = data
+
+      return format<VerificationToken>(verificationToken)
+    },
+  },
+})

packages/adapter-supabase/tests/test.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+# install Supabase CLI when run on CI
+if [ "$CI" = true ]; then
+	wget -O supabase.deb https://github.com/supabase/cli/releases/download/v0.29.0/supabase_0.29.0_linux_amd64.deb
+	sudo dpkg -i supabase.deb
+fi
+
+# Start Supabase, grep key and set it as SUPABASE_SERVICE_ROLE_KEY environment variable
+line=$(supabase start | grep 'service_role key')
+IFS=':'; arr=($line); unset IFS;
+export SUPABASE_SERVICE_ROLE_KEY=${arr[1]}
+
+# Always stop Supabase, but exit with 1 when tests are failing
+if npx jest; then
+	supabase stop
+else
+	supabase stop && exit 1
+fi

packages/adapter-supabase/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "extends": "@next-auth/tsconfig/tsconfig.adapters.json",
+  "compilerOptions": {
+    "rootDir": "src",
+    "outDir": "dist"
+  },
+  "exclude": ["tests", "dist", "jest.config.js"]
+}

packages/next-auth/package.json

@@ -1,6 +1,6 @@
 {
   "name": "next-auth",
-  "version": "4.16.4",
+  "version": "4.18.5",
   "description": "Authentication for Next.js",
   "homepage": "https://next-auth.js.org",
   "repository": "https://github.com/nextauthjs/next-auth.git",
@@ -120,7 +120,7 @@
     "jest-environment-jsdom": "^28.1.1",
     "jest-watch-typeahead": "^1.1.0",
     "msw": "^0.42.3",
-    "next": "13.0.2",
+    "next": "13.0.6",
     "postcss": "^8.4.14",
     "postcss-cli": "^9.1.0",
     "postcss-nested": "^5.0.6",

packages/next-auth/src/client/_utils.ts

@@ -1,7 +1,7 @@
 import type { IncomingMessage } from "http"
 import type { LoggerInstance, Session } from ".."
 
-export interface NextAuthClientConfig {
+export interface AuthClientConfig {
   baseUrl: string
   basePath: string
   baseUrlServer: string
@@ -31,7 +31,7 @@ export interface CtxOrReq {
  */
 export async function fetchData<T = any>(
   path: string,
-  __NEXTAUTH: NextAuthClientConfig,
+  __NEXTAUTH: AuthClientConfig,
   logger: LoggerInstance,
   { ctx, req = ctx?.req }: CtxOrReq = {}
 ): Promise<T | null> {
@@ -50,7 +50,7 @@ export async function fetchData<T = any>(
   }
 }
 
-export function apiBaseUrl(__NEXTAUTH: NextAuthClientConfig) {
+export function apiBaseUrl(__NEXTAUTH: AuthClientConfig) {
   if (typeof window === "undefined") {
     // Return absolute path when called server side
     return `${__NEXTAUTH.baseUrlServer}${__NEXTAUTH.basePathServer}`

packages/next-auth/src/core/errors.ts

@@ -72,6 +72,16 @@ export class InvalidCallbackUrl extends UnknownError {
   code = "INVALID_CALLBACK_URL_ERROR"
 }
 
+export class UnknownAction extends UnknownError {
+  name = "UnknownAction"
+  code = "UNKNOWN_ACTION_ERROR"
+}
+
+export class UntrustedHost extends UnknownError {
+  name = "UntrustedHost"
+  code = "UNTRUST_HOST_ERROR"
+}
+
 type Method = (...args: any[]) => Promise<any>
 
 export function upperSnake(s: string) {

packages/next-auth/src/core/index.ts

@@ -1,92 +1,55 @@
 import logger, { setLogger } from "../utils/logger"
-import { detectHost } from "../utils/detect-host"
-import * as routes from "./routes"
-import renderPage from "./pages"
+import { toInternalRequest, toResponse } from "../utils/web"
 import { init } from "./init"
 import { assertConfig } from "./lib/assert"
 import { SessionStore } from "./lib/cookie"
+import renderPage from "./pages"
+import * as routes from "./routes"
 
-import type { NextAuthAction, NextAuthOptions } from "./types"
+import { UntrustedHost } from "./errors"
 import type { Cookie } from "./lib/cookie"
 import type { ErrorType } from "./pages/error"
-import { parse as parseCookie } from "cookie"
+import type { AuthAction, AuthOptions } from "./types"
 
+/** @internal */
 export interface RequestInternal {
-  /** @default "http://localhost:3000" */
-  host?: string
-  method?: string
+  url: URL
+  /** @default "GET" */
+  method: string
   cookies?: Partial<Record<string, string>>
   headers?: Record<string, any>
   query?: Record<string, any>
   body?: Record<string, any>
-  action: NextAuthAction
+  action: AuthAction
   providerId?: string
   error?: string
 }
 
-export interface NextAuthHeader {
-  key: string
-  value: string
-}
-
-export interface OutgoingResponse<
+/** @internal */
+export interface ResponseInternal<
   Body extends string | Record<string, any> | any[] = any
 > {
   status?: number
-  headers?: NextAuthHeader[]
+  headers?: Record<string, string>
   body?: Body
   redirect?: string
   cookies?: Cookie[]
 }
 
-export interface NextAuthHandlerParams {
-  req: Request | RequestInternal
-  options: NextAuthOptions
-}
+const configErrorMessage =
+  "There is a problem with the server configuration. Check the server logs for more information."
 
-async function getBody(req: Request): Promise<Record<string, any> | undefined> {
-  try {
-    return await req.json()
-  } catch {}
-}
-
-// TODO:
-async function toInternalRequest(
-  req: RequestInternal | Request
-): Promise<RequestInternal> {
-  if (req instanceof Request) {
-    const url = new URL(req.url)
-    // TODO: handle custom paths?
-    const nextauth = url.pathname.split("/").slice(3)
-    const headers = Object.fromEntries(req.headers)
-    const query: Record<string, any> = Object.fromEntries(url.searchParams)
-    query.nextauth = nextauth
-
-    return {
-      action: nextauth[0] as NextAuthAction,
-      method: req.method,
-      headers,
-      body: await getBody(req),
-      cookies: parseCookie(req.headers.get("cookie") ?? ""),
-      providerId: nextauth[1],
-      error: url.searchParams.get("error") ?? nextauth[1],
-      host: detectHost(headers["x-forwarded-host"] ?? headers.host),
-      query,
-    }
-  }
-  return req
-}
-
-export async function NextAuthHandler<
+async function AuthHandlerInternal<
   Body extends string | Record<string, any> | any[]
->(params: NextAuthHandlerParams): Promise<OutgoingResponse<Body>> {
-  const { options: userOptions, req: incomingRequest } = params
+>(params: {
+  req: RequestInternal
+  options: AuthOptions
+  /** REVIEW: Is this the best way to skip parsing the body in Node.js? */
+  parsedBody?: any
+}): Promise<ResponseInternal<Body>> {
+  const { options: authOptions, req } = params
 
-  const req = await toInternalRequest(incomingRequest)
-
-  setLogger(userOptions.logger, userOptions.debug)
-
-  const assertionResult = assertConfig({ options: userOptions, req })
+  const assertionResult = assertConfig({ options: authOptions, req })
 
   if (Array.isArray(assertionResult)) {
     assertionResult.forEach(logger.warn)
@@ -96,14 +59,13 @@ export async function NextAuthHandler<
 
     const htmlPages = ["signin", "signout", "error", "verify-request"]
     if (!htmlPages.includes(req.action) || req.method !== "GET") {
-      const message = `There is a problem with the server configuration. Check the server logs for more information.`
       return {
         status: 500,
-        headers: [{ key: "Content-Type", value: "application/json" }],
-        body: { message } as any,
+        headers: { "Content-Type": "application/json" },
+        body: { message: configErrorMessage } as any,
       }
     }
-    const { pages, theme } = userOptions
+    const { pages, theme } = authOptions
 
     const authOnErrorPage =
       pages?.error && req.query?.callbackUrl?.startsWith(pages.error)
@@ -126,13 +88,13 @@ export async function NextAuthHandler<
     }
   }
 
-  const { action, providerId, error, method = "GET" } = req
+  const { action, providerId, error, method } = req
 
   const { options, cookies } = await init({
-    userOptions,
+    authOptions,
     action,
     providerId,
-    host: req.host,
+    url: req.url,
     callbackUrl: req.body?.callbackUrl ?? req.query?.callbackUrl,
     csrfToken: req.body?.csrfToken,
     cookies: req.cookies,
@@ -154,11 +116,12 @@ export async function NextAuthHandler<
       case "session": {
         const session = await routes.session({ options, sessionStore })
         if (session.cookies) cookies.push(...session.cookies)
+        // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
         return { ...session, cookies } as any
       }
       case "csrf":
         return {
-          headers: [{ key: "Content-Type", value: "application/json" }],
+          headers: { "Content-Type": "application/json" },
           body: { csrfToken: options.csrfToken } as any,
           cookies,
         }
@@ -275,7 +238,7 @@ export async function NextAuthHandler<
         }
         break
       case "_log":
-        if (userOptions.logger) {
+        if (authOptions.logger) {
           try {
             const { code, level, ...metadata } = req.body ?? {}
             logger[level](code, metadata)
@@ -294,3 +257,51 @@ export async function NextAuthHandler<
     body: `Error: This action with HTTP ${method} is not supported by NextAuth.js` as any,
   }
 }
+
+/**
+ * The core functionality of `next-auth`.
+ * It receives a standard [`Request`](https://developer.mozilla.org/en-US/docs/Web/API/Request)
+ * and returns a standard [`Response`](https://developer.mozilla.org/en-US/docs/Web/API/Response).
+ */
+export async function AuthHandler(
+  request: Request,
+  options: AuthOptions
+): Promise<Response> {
+  setLogger(options.logger, options.debug)
+
+  if (!options.trustHost) {
+    const error = new UntrustedHost(
+      `Host must be trusted. URL was: ${request.url}`
+    )
+    logger.error(error.code, error)
+
+    return new Response(JSON.stringify({ message: configErrorMessage }), {
+      status: 500,
+      headers: { "Content-Type": "application/json" },
+    })
+  }
+
+  const req = await toInternalRequest(request)
+  if (req instanceof Error) {
+    logger.error((req as any).code, req)
+    return new Response(
+      `Error: This action with HTTP ${request.method} is not supported.`,
+      { status: 400 }
+    )
+  }
+  const internalResponse = await AuthHandlerInternal({ req, options })
+
+  const response = await toResponse(internalResponse)
+
+  // If the request expects a return URL, send it as JSON
+  // instead of doing an actual redirect.
+  const redirect = response.headers.get("Location")
+  if (request.headers.has("X-Auth-Return-Redirect") && redirect) {
+    response.headers.delete("Location")
+    response.headers.set("Content-Type", "application/json")
+    return new Response(JSON.stringify({ url: redirect }), {
+      headers: response.headers,
+    })
+  }
+  return response
+}

packages/next-auth/src/core/init.ts

@@ -1,7 +1,6 @@
 import { randomBytes, randomUUID } from "crypto"
-import { NextAuthOptions } from ".."
+import { AuthOptions } from ".."
 import logger from "../utils/logger"
-import parseUrl from "../utils/parse-url"
 import { adapterErrorHandler, eventsErrorHandler } from "./errors"
 import parseProviders from "./lib/providers"
 import { createSecret } from "./lib/utils"
@@ -13,10 +12,11 @@ import { createCallbackUrl } from "./lib/callback-url"
 import { RequestInternal } from "."
 
 import type { InternalOptions } from "./types"
+import parseUrl from "../utils/parse-url"
 
 interface InitParams {
-  host?: string
-  userOptions: NextAuthOptions
+  url: URL
+  authOptions: AuthOptions
   providerId?: string
   action: InternalOptions["action"]
   /** Callback URL value extracted from the incoming request. */
@@ -30,10 +30,10 @@ interface InitParams {
 
 /** Initialize all internal options and cookies. */
 export async function init({
-  userOptions,
+  authOptions,
   providerId,
   action,
-  host,
+  url: reqUrl,
   cookies: reqCookies,
   callbackUrl: reqCallbackUrl,
   csrfToken: reqCsrfToken,
@@ -42,12 +42,17 @@ export async function init({
   options: InternalOptions
   cookies: cookie.Cookie[]
 }> {
-  const url = parseUrl(host)
+  // TODO: move this to web.ts
+  const parsed = parseUrl(
+    reqUrl.origin +
+      reqUrl.pathname.replace(`/${action}`, "").replace(`/${providerId}`, "")
+  )
+  const url = new URL(parsed.toString())
 
-  const secret = createSecret({ userOptions, url })
+  const secret = createSecret({ authOptions, url })
 
   const { providers, provider } = parseProviders({
-    providers: userOptions.providers,
+    providers: authOptions.providers,
     url,
     providerId,
   })
@@ -66,7 +71,7 @@ export async function init({
       buttonText: "",
     },
     // Custom options override defaults
-    ...userOptions,
+    ...authOptions,
     // These computed settings can have values in userOptions but we override them
     // and are request-specific.
     url,
@@ -75,24 +80,24 @@ export async function init({
     provider,
     cookies: {
       ...cookie.defaultCookies(
-        userOptions.useSecureCookies ?? url.base.startsWith("https://")
+        authOptions.useSecureCookies ?? url.protocol === "https:"
       ),
       // Allow user cookie options to override any cookie settings above
-      ...userOptions.cookies,
+      ...authOptions.cookies,
     },
     secret,
     providers,
     // Session options
     session: {
       // If no adapter specified, force use of JSON Web Tokens (stateless)
-      strategy: userOptions.adapter ? "database" : "jwt",
+      strategy: authOptions.adapter ? "database" : "jwt",
       maxAge,
       updateAge: 24 * 60 * 60,
       generateSessionToken: () => {
         // Use `randomUUID` if available. (Node 15.6+)
         return randomUUID?.() ?? randomBytes(32).toString("hex")
       },
-      ...userOptions.session,
+      ...authOptions.session,
     },
     // JWT options
     jwt: {
@@ -100,13 +105,13 @@ export async function init({
       maxAge, // same as session maxAge,
       encode: jwt.encode,
       decode: jwt.decode,
-      ...userOptions.jwt,
+      ...authOptions.jwt,
     },
     // Event messages
-    events: eventsErrorHandler(userOptions.events ?? {}, logger),
-    adapter: adapterErrorHandler(userOptions.adapter, logger),
+    events: eventsErrorHandler(authOptions.events ?? {}, logger),
+    adapter: adapterErrorHandler(authOptions.adapter, logger),
     // Callback functions
-    callbacks: { ...defaultCallbacks, ...userOptions.callbacks },
+    callbacks: { ...defaultCallbacks, ...authOptions.callbacks },
     logger,
     callbackUrl: url.origin,
   }

packages/next-auth/src/core/lib/assert.ts

@@ -7,12 +7,11 @@ import {
   InvalidCallbackUrl,
   MissingAdapterMethods,
 } from "../errors"
-import parseUrl from "../../utils/parse-url"
 import { defaultCookies } from "./cookie"
 
 import type { RequestInternal } from ".."
 import type { WarningCode } from "../../utils/logger"
-import type { NextAuthOptions } from "../types"
+import type { AuthOptions } from "../types"
 
 type ConfigError =
   | MissingAPIRoute
@@ -40,15 +39,15 @@ function isValidHttpUrl(url: string, baseUrl: string) {
  * REVIEW: Make some of these and corresponding docs less Next.js specific?
  */
 export function assertConfig(params: {
-  options: NextAuthOptions
+  options: AuthOptions
   req: RequestInternal
 }): ConfigError | WarningCode[] {
   const { options, req } = params
-
+  const { url } = req
   const warnings: WarningCode[] = []
 
   if (!warned) {
-    if (!req.host) warnings.push("NEXTAUTH_URL")
+    if (!url.origin) warnings.push("NEXTAUTH_URL")
 
     // TODO: Make this throw an error in next major. This will also get rid of `NODE_ENV`
     if (!options.secret && process.env.NODE_ENV !== "production")
@@ -70,21 +69,19 @@ export function assertConfig(params: {
 
   const callbackUrlParam = req.query?.callbackUrl as string | undefined
 
-  const url = parseUrl(req.host)
-
-  if (callbackUrlParam && !isValidHttpUrl(callbackUrlParam, url.base)) {
+  if (callbackUrlParam && !isValidHttpUrl(callbackUrlParam, url.origin)) {
     return new InvalidCallbackUrl(
       `Invalid callback URL. Received: ${callbackUrlParam}`
     )
   }
 
   const { callbackUrl: defaultCallbackUrl } = defaultCookies(
-    options.useSecureCookies ?? url.base.startsWith("https://")
+    options.useSecureCookies ?? url.protocol === "https://"
   )
   const callbackUrlCookie =
     req.cookies?.[options.cookies?.callbackUrl?.name ?? defaultCallbackUrl.name]
 
-  if (callbackUrlCookie && !isValidHttpUrl(callbackUrlCookie, url.base)) {
+  if (callbackUrlCookie && !isValidHttpUrl(callbackUrlCookie, url.origin)) {
     return new InvalidCallbackUrl(
       `Invalid callback URL. Received: ${callbackUrlCookie}`
     )

packages/next-auth/src/core/lib/cookie.ts

@@ -93,6 +93,7 @@ export function defaultCookies(useSecureCookies: boolean): CookiesOptions {
         sameSite: "lax",
         path: "/",
         secure: useSecureCookies,
+        maxAge: 60 * 15, // 15 minutes in seconds
       },
     },
     state: {
@@ -102,6 +103,7 @@ export function defaultCookies(useSecureCookies: boolean): CookiesOptions {
         sameSite: "lax",
         path: "/",
         secure: useSecureCookies,
+        maxAge: 60 * 15, // 15 minutes in seconds
       },
     },
     nonce: {

packages/next-auth/src/core/lib/oauth/pkce-handler.ts

@@ -26,13 +26,15 @@ export async function createPKCE(options: InternalOptions<"oauth">): Promise<
   const code_verifier = generators.codeVerifier()
   const code_challenge = generators.codeChallenge(code_verifier)
 
+  const maxAge = cookies.pkceCodeVerifier.options.maxAge ?? PKCE_MAX_AGE
+
   const expires = new Date()
-  expires.setTime(expires.getTime() + PKCE_MAX_AGE * 1000)
+  expires.setTime(expires.getTime() + maxAge * 1000)
 
   // Encrypt code_verifier and save it to an encrypted cookie
   const encryptedCodeVerifier = await jwt.encode({
     ...options.jwt,
-    maxAge: PKCE_MAX_AGE,
+    maxAge,
     token: { code_verifier },
   })
 
@@ -40,7 +42,7 @@ export async function createPKCE(options: InternalOptions<"oauth">): Promise<
     code_challenge,
     code_challenge_method: PKCE_CODE_CHALLENGE_METHOD,
     code_verifier,
-    PKCE_MAX_AGE,
+    maxAge,
   })
 
   return {

packages/next-auth/src/core/lib/oauth/state-handler.ts

@@ -17,17 +17,18 @@ export async function createState(
   }
 
   const state = generators.state()
+  const maxAge = cookies.state.options.maxAge ?? STATE_MAX_AGE
 
   const encodedState = await jwt.encode({
     ...jwt,
-    maxAge: STATE_MAX_AGE,
+    maxAge,
     token: { state },
   })
 
-  logger.debug("CREATE_STATE", { state, maxAge: STATE_MAX_AGE })
+  logger.debug("CREATE_STATE", { state, maxAge })
 
   const expires = new Date()
-  expires.setTime(expires.getTime() + STATE_MAX_AGE * 1000)
+  expires.setTime(expires.getTime() + maxAge * 1000)
   return {
     value: state,
     cookie: {

packages/next-auth/src/core/lib/providers.ts

@@ -2,11 +2,10 @@ import { merge } from "../../utils/merge"
 
 import type { InternalProvider } from "../types"
 import type {
-  InternalOAuthConfig,
+  OAuthConfigInternal,
   OAuthConfig,
   Provider,
 } from "../../providers"
-import type { InternalUrl } from "../../utils/parse-url"
 
 /**
  * Adds `signinUrl` and `callbackUrl` to each provider
@@ -14,7 +13,7 @@ import type { InternalUrl } from "../../utils/parse-url"
  */
 export default function parseProviders(params: {
   providers: Provider[]
-  url: InternalUrl
+  url: URL
   providerId?: string
 }): {
   providers: InternalProvider[]
@@ -59,7 +58,7 @@ function normalizeOAuthOptions(
   if (!oauthOptions) return
 
   const normalized = Object.entries(oauthOptions).reduce<
-    InternalOAuthConfig<Record<string, unknown>>
+    OAuthConfigInternal<Record<string, unknown>>
   >(
     (acc, [key, value]) => {
       if (

packages/next-auth/src/core/lib/utils.ts

@@ -1,8 +1,7 @@
 import { createHash } from "crypto"
 
-import type { NextAuthOptions } from "../.."
+import type { AuthOptions } from "../.."
 import type { InternalOptions } from "../types"
-import type { InternalUrl } from "../../utils/parse-url"
 
 /**
  * Takes a number in seconds and returns the date in the future.
@@ -28,17 +27,14 @@ export function hashToken(token: string, options: InternalOptions<"email">) {
  * If no secret option is specified then it creates one on the fly
  * based on options passed here. If options contains unique data, such as
  * OAuth provider secrets and database credentials it should be sufficent. If no secret provided in production, we throw an error. */
-export function createSecret(params: {
-  userOptions: NextAuthOptions
-  url: InternalUrl
-}) {
-  const { userOptions, url } = params
+export function createSecret(params: { authOptions: AuthOptions; url: URL }) {
+  const { authOptions, url } = params
 
   return (
-    userOptions.secret ??
+    authOptions.secret ??
     // TODO: Remove falling back to default secret, and error in dev if one isn't provided
     createHash("sha256")
-      .update(JSON.stringify({ ...url, ...userOptions }))
+      .update(JSON.stringify({ ...url, ...authOptions }))
       .digest("hex")
   )
 }

packages/next-auth/src/core/pages/error.tsx

@@ -1,5 +1,4 @@
 import { Theme } from "../.."
-import { InternalUrl } from "../../utils/parse-url"
 
 /**
  * The following errors are passed as error query parameters to the default or overridden error page.
@@ -12,7 +11,7 @@ export type ErrorType =
   | "verification"
 
 export interface ErrorProps {
-  url?: InternalUrl
+  url?: URL
   theme?: Theme
   error?: ErrorType
 }

packages/next-auth/src/core/pages/index.ts

@@ -6,7 +6,7 @@ import ErrorPage from "./error"
 import css from "../../css"
 
 import type { InternalOptions } from "../types"
-import type { RequestInternal, OutgoingResponse } from ".."
+import type { RequestInternal, ResponseInternal } from ".."
 import type { Cookie } from "../lib/cookie"
 import type { ErrorType } from "./error"
 
@@ -27,11 +27,11 @@ type RenderPageParams = {
 export default function renderPage(params: RenderPageParams) {
   const { url, theme, query, cookies } = params
 
-  function send({ html, title, status }: any): OutgoingResponse {
+  function send({ html, title, status }: any): ResponseInternal {
     return {
       cookies,
       status,
-      headers: [{ key: "Content-Type", value: "text/html" }],
+      headers: { "Content-Type": "text/html" },
       body: `<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><style>${css()}</style><title>${title}</title></head><body class="__next-auth-theme-${
         theme?.colorScheme ?? "auto"
       }"><div class="page">${renderToString(html)}</div></body></html>`,

packages/next-auth/src/core/pages/signout.tsx

@@ -1,8 +1,7 @@
 import { Theme } from "../.."
-import { InternalUrl } from "../../utils/parse-url"
 
 export interface SignoutProps {
-  url: InternalUrl
+  url: URL
   csrfToken: string
   theme: Theme
 }

packages/next-auth/src/core/routes/callback.ts

@@ -4,7 +4,7 @@ import { hashToken } from "../lib/utils"
 import getAdapterUserFromEmail from "../lib/email/getUserFromEmail"
 
 import type { InternalOptions } from "../types"
-import type { RequestInternal, OutgoingResponse } from ".."
+import type { RequestInternal, ResponseInternal } from ".."
 import type { Cookie, SessionStore } from "../lib/cookie"
 import type { User } from "../.."
 import type { AdapterSession } from "../../adapters"
@@ -18,7 +18,7 @@ export default async function callback(params: {
   headers: RequestInternal["headers"]
   cookies: RequestInternal["cookies"]
   sessionStore: SessionStore
-}): Promise<OutgoingResponse> {
+}): Promise<ResponseInternal> {
   const { options, query, body, method, headers, sessionStore } = params
   const {
     provider,

packages/next-auth/src/core/routes/providers.ts

@@ -1,4 +1,4 @@
-import type { OutgoingResponse } from ".."
+import type { ResponseInternal } from ".."
 import type { InternalProvider } from "../types"
 
 export interface PublicProvider {
@@ -16,9 +16,9 @@ export interface PublicProvider {
  */
 export default function providers(
   providers: InternalProvider[]
-): OutgoingResponse<Record<string, PublicProvider>> {
+): ResponseInternal<Record<string, PublicProvider>> {
   return {
-    headers: [{ key: "Content-Type", value: "application/json" }],
+    headers: { "Content-Type": "application/json" },
     body: providers.reduce<Record<string, PublicProvider>>(
       (acc, { id, name, type, signinUrl, callbackUrl }) => {
         acc[id] = { id, name, type, signinUrl, callbackUrl }

packages/next-auth/src/core/routes/session.ts

@@ -2,7 +2,7 @@ import { fromDate } from "../lib/utils"
 
 import type { Adapter } from "../../adapters"
 import type { InternalOptions } from "../types"
-import type { OutgoingResponse } from ".."
+import type { ResponseInternal } from ".."
 import type { Session } from "../.."
 import type { SessionStore } from "../lib/cookie"
 
@@ -18,7 +18,7 @@ interface SessionParams {
 
 export default async function session(
   params: SessionParams
-): Promise<OutgoingResponse<Session | {}>> {
+): Promise<ResponseInternal<Session | {}>> {
   const { options, sessionStore } = params
   const {
     adapter,
@@ -29,9 +29,9 @@ export default async function session(
     session: { strategy: sessionStrategy, maxAge: sessionMaxAge },
   } = options
 
-  const response: OutgoingResponse<Session | {}> = {
+  const response: ResponseInternal<Session | {}> = {
     body: {},
-    headers: [{ key: "Content-Type", value: "application/json" }],
+    headers: { "Content-Type": "application/json" },
     cookies: [],
   }
 

packages/next-auth/src/core/routes/signin.ts

@@ -1,7 +1,7 @@
 import getAuthorizationUrl from "../lib/oauth/authorization-url"
 import emailSignin from "../lib/email/signin"
 import getAdapterUserFromEmail from "../lib/email/getUserFromEmail"
-import type { RequestInternal, OutgoingResponse } from ".."
+import type { RequestInternal, ResponseInternal } from ".."
 import type { InternalOptions } from "../types"
 import type { Account } from "../.."
 
@@ -10,7 +10,7 @@ export default async function signin(params: {
   options: InternalOptions<"oauth" | "email">
   query: RequestInternal["query"]
   body: RequestInternal["body"]
-}): Promise<OutgoingResponse> {
+}): Promise<ResponseInternal> {
   const { options, query, body } = params
   const { url, callbacks, logger, provider } = options
 

packages/next-auth/src/core/routes/signout.ts

@@ -1,13 +1,13 @@
 import type { Adapter } from "../../adapters"
 import type { InternalOptions } from "../types"
-import type { OutgoingResponse } from ".."
+import type { ResponseInternal } from ".."
 import type { SessionStore } from "../lib/cookie"
 
 /** Handle requests to /api/auth/signout */
 export default async function signout(params: {
   options: InternalOptions
   sessionStore: SessionStore
-}): Promise<OutgoingResponse> {
+}): Promise<ResponseInternal> {
   const { options, sessionStore } = params
   const { adapter, events, jwt, callbackUrl, logger, session } = options
 

packages/next-auth/src/core/types.ts

@@ -5,7 +5,7 @@ import type {
   ProviderType,
   EmailConfig,
   CredentialsConfig,
-  InternalOAuthConfig,
+  OAuthConfigInternal,
 } from "../providers"
 import type { TokenSetParameters } from "openid-client"
 import type { JWT, JWTOptions } from "../jwt"
@@ -14,8 +14,6 @@ import type { CookieSerializeOptions } from "cookie"
 
 import type { NextApiRequest, NextApiResponse } from "next"
 
-import type { InternalUrl } from "../utils/parse-url"
-
 export type Awaitable<T> = T | PromiseLike<T>
 
 export type { LoggerInstance }
@@ -25,7 +23,7 @@ export type { LoggerInstance }
  *
  * [Documentation](https://next-auth.js.org/configuration/options#options)
  */
-export interface NextAuthOptions {
+export interface AuthOptions {
   /**
    * An array of authentication providers for signing in
    * (e.g. Google, Facebook, Twitter, GitHub, Email, etc) in any order.
@@ -38,10 +36,10 @@ export interface NextAuthOptions {
   providers: Provider[]
   /**
    * A random string used to hash tokens, sign cookies and generate cryptographic keys.
-   * If not specified, it falls back to `jwt.secret` or `NEXTAUTH_SECRET` from environment vairables.
-   * Otherwise it will use a hash of all configuration options, including Client ID / Secrets for entropy.
+   * If not specified, it falls back to `jwt.secret` or `NEXTAUTH_SECRET` from environment variables.
+   * Otherwise, it will use a hash of all configuration options, including Client ID / Secrets for entropy.
    *
-   * NOTE: The last behavior is extrmely volatile, and will throw an error in production.
+   * NOTE: The last behavior is extremely volatile, and will throw an error in production.
    * * **Default value**: `string` (SHA hash of the "options" object)
    * * **Required**: No - **but strongly recommended**!
    *
@@ -203,6 +201,16 @@ export interface NextAuthOptions {
    * [Documentation](https://next-auth.js.org/configuration/options#cookies) | [Usage example](https://next-auth.js.org/configuration/options#example)
    */
   cookies?: Partial<CookiesOptions>
+  /**
+   * If set to `true`, NextAuth.js will use either the `x-forwarded-host` or `host` headers,
+   * instead of `NEXTAUTH_URL`
+   * Make sure that reading `x-forwarded-host` on your hosting platform can be trusted.
+   * - ⚠ **This is an advanced option.** Advanced options are passed the same way as basic options,
+   * but **may have complex implications** or side effects.
+   * You should **try to avoid using advanced options** unless you are very comfortable using them.
+   * @default Boolean(process.env.NEXTAUTH_URL ?? process.env.AUTH_TRUST_HOST ?? process.env.VERCEL)
+   */
+  trustHost?: boolean
 }
 
 /**
@@ -491,7 +499,7 @@ export interface User extends DefaultUser {}
 
 /** @internal */
 export type InternalProvider<T = ProviderType> = (T extends "oauth"
-  ? InternalOAuthConfig<any>
+  ? OAuthConfigInternal<any>
   : T extends "email"
   ? EmailConfig
   : T extends "credentials"
@@ -501,7 +509,7 @@ export type InternalProvider<T = ProviderType> = (T extends "oauth"
   callbackUrl: string
 }
 
-export type NextAuthAction =
+export type AuthAction =
   | "providers"
   | "session"
   | "csrf"
@@ -518,12 +526,8 @@ export interface InternalOptions<
   WithVerificationToken = TProviderType extends "email" ? true : false
 > {
   providers: InternalProvider[]
-  /**
-   * Parsed from `NEXTAUTH_URL` or `x-forwarded-host` on Vercel.
-   * @default "http://localhost:3000/api/auth"
-   */
-  url: InternalUrl
-  action: NextAuthAction
+  url: URL
+  action: AuthAction
   provider: InternalProvider<TProviderType>
   csrfToken?: string
   csrfTokenVerified?: boolean

packages/next-auth/src/index.ts

@@ -1,6 +1,4 @@
 export * from "./core/types"
-
-export type { RequestInternal, OutgoingResponse } from "./core"
-
+export type { AuthOptions as NextAuthOptions } from "./core/types"
 export * from "./next"
 export { default } from "./next"

packages/next-auth/src/jwt/index.ts

@@ -94,7 +94,7 @@ export async function getToken<R extends boolean = false>(
   const authorizationHeader =
     req.headers instanceof Headers
       ? req.headers.get("authorization")
-      : req.headers.authorization
+      : req.headers?.authorization
 
   if (!token && authorizationHeader?.split(" ")[0] === "Bearer") {
     const urlEncodedToken = authorizationHeader.split(" ")[1]

packages/next-auth/src/next/index.ts

@@ -1,101 +1,99 @@
-import { NextAuthHandler } from "../core"
-import { detectHost } from "../utils/detect-host"
-import { setCookie } from "./utils"
+import { AuthHandler } from "../core"
+import { getBody, getURL, setHeaders } from "../utils/node"
 
 import type {
   GetServerSidePropsContext,
   NextApiRequest,
   NextApiResponse,
 } from "next"
-import type { NextAuthOptions, Session } from ".."
+import type { AuthOptions, Session } from ".."
 import type {
-  NextAuthAction,
+  CallbacksOptions,
   NextAuthRequest,
   NextAuthResponse,
 } from "../core/types"
 
-async function NextAuthNextHandler(
+async function NextAuthHandler(
   req: NextApiRequest,
   res: NextApiResponse,
-  options: NextAuthOptions
+  options: AuthOptions
 ) {
-  const { nextauth, ...query } = req.query
-
-  options.secret =
-    options.secret ?? options.jwt?.secret ?? process.env.NEXTAUTH_SECRET
-
-  const handler = await NextAuthHandler({
-    req: {
-      host: detectHost(req.headers["x-forwarded-host"]),
-      body: req.body,
-      query,
-      cookies: req.cookies,
-      headers: req.headers,
-      method: req.method,
-      action: nextauth?.[0] as NextAuthAction,
-      providerId: nextauth?.[1],
-      error: (req.query.error as string | undefined) ?? nextauth?.[1],
-    },
-    options,
-  })
-
-  res.status(handler.status ?? 200)
-
-  handler.cookies?.forEach((cookie) => setCookie(res, cookie))
-
-  handler.headers?.forEach((h) => res.setHeader(h.key, h.value))
-
-  if (handler.redirect) {
-    // If the request expects a return URL, send it as JSON
-    // instead of doing an actual redirect.
-    if (req.body?.json !== "true") {
-      // Could chain. .end() when lowest target is Node 14
-      // https://github.com/nodejs/node/issues/33148
-      res.status(302).setHeader("Location", handler.redirect)
-      return res.end()
-    }
-    return res.json({ url: handler.redirect })
+  const headers = new Headers(req.headers as any)
+  const url = getURL(req.url, headers)
+  if (url instanceof Error) {
+    if (process.env.NODE_ENV !== "production") throw url
+    const errorLogger = options.logger?.error ?? console.error
+    errorLogger("INVALID_URL", url)
+    res.status(400)
+    return res.json({
+      message:
+        "There is a problem with the server configuration. Check the server logs for more information.",
+    })
   }
 
-  return res.send(handler.body)
+  const request = new Request(url, {
+    headers,
+    method: req.method,
+    ...getBody(req),
+  })
+
+  options.secret ??= options.jwt?.secret ?? process.env.NEXTAUTH_SECRET
+  options.trustHost ??= !!(
+    process.env.NEXTAUTH_URL ??
+    process.env.AUTH_TRUST_HOST ??
+    process.env.VERCEL ??
+    process.env.NODE_ENV !== "production"
+  )
+
+  const response = await AuthHandler(request, options)
+  res.status(response.status)
+  setHeaders(response.headers, res)
+
+  return res.send(await response.text())
 }
 
-function NextAuth(options: NextAuthOptions): any
+function NextAuth(options: AuthOptions): any
 function NextAuth(
   req: NextApiRequest,
   res: NextApiResponse,
-  options: NextAuthOptions
+  options: AuthOptions
 ): any
 
 /** The main entry point to next-auth */
 function NextAuth(
-  ...args:
-    | [NextAuthOptions]
-    | [NextApiRequest, NextApiResponse, NextAuthOptions]
+  ...args: [AuthOptions] | [NextApiRequest, NextApiResponse, AuthOptions]
 ) {
   if (args.length === 1) {
     return async (req: NextAuthRequest, res: NextAuthResponse) =>
-      await NextAuthNextHandler(req, res, args[0])
+      await NextAuthHandler(req, res, args[0])
   }
 
-  return NextAuthNextHandler(args[0], args[1], args[2])
+  return NextAuthHandler(args[0], args[1], args[2])
 }
 
 export default NextAuth
 
 let experimentalWarningShown = false
 let experimentalRSCWarningShown = false
-export async function unstable_getServerSession(
+
+type GetServerSessionOptions = Partial<Omit<AuthOptions, "callbacks">> & {
+  callbacks?: Omit<AuthOptions["callbacks"], "session"> & {
+    session?: (...args: Parameters<CallbacksOptions["session"]>) => any
+  }
+}
+
+export async function unstable_getServerSession<
+  O extends GetServerSessionOptions,
+  R = O["callbacks"] extends { session: (...args: any[]) => infer U }
+    ? U
+    : Session
+>(
   ...args:
-    | [
-        GetServerSidePropsContext["req"],
-        GetServerSidePropsContext["res"],
-        NextAuthOptions
-      ]
-    | [NextApiRequest, NextApiResponse, NextAuthOptions]
-    | [NextAuthOptions]
+    | [GetServerSidePropsContext["req"], GetServerSidePropsContext["res"], O]
+    | [NextApiRequest, NextApiResponse, O]
+    | [O]
     | []
-): Promise<Session | null> {
+): Promise<R | null> {
   if (!experimentalWarningShown && process.env.NODE_ENV !== "production") {
     console.warn(
       "[next-auth][warn][EXPERIMENTAL_API]",
@@ -121,9 +119,10 @@ export async function unstable_getServerSession(
     experimentalRSCWarningShown = true
   }
 
-  let req, res, options: NextAuthOptions
+  let req, res, options: AuthOptions
   if (isRSC) {
-    options = args[0] ?? { providers: [] }
+    options = Object.assign({}, args[0], { providers: [] })
+
     // eslint-disable-next-line @typescript-eslint/no-var-requires
     const { headers, cookies } = require("next/headers")
     req = {
@@ -138,44 +137,42 @@ export async function unstable_getServerSession(
   } else {
     req = args[0]
     res = args[1]
-    options = args[2]
+    options = Object.assign({}, args[2], { providers: [] })
   }
 
-  options.secret = options.secret ?? process.env.NEXTAUTH_SECRET
-
-  const session = await NextAuthHandler<Session | {} | string>({
-    options,
-    req: {
-      host: detectHost(req.headers["x-forwarded-host"]),
-      action: "session",
-      method: "GET",
-      cookies: req.cookies,
-      headers: req.headers,
-    },
-  })
-
-  const { body, cookies, status = 200 } = session
-
-  cookies?.forEach((cookie) => setCookie(res, cookie))
-
-  if (body && typeof body !== "string" && Object.keys(body).length) {
-    if (status === 200) {
-      // @ts-expect-error
-      if (isRSC) delete body.expires
-      return body as Session
-    }
-    throw new Error((body as any).message)
+  const url = getURL("/api/auth/session", new Headers(req.headers))
+  if (url instanceof Error) {
+    if (process.env.NODE_ENV !== "production") throw url
+    const errorLogger = options.logger?.error ?? console.error
+    errorLogger("INVALID_URL", url)
+    res.status(400)
+    return res.json({
+      message:
+        "There is a problem with the server configuration. Check the server logs for more information.",
+    })
   }
 
-  return null
-}
-
-declare global {
-  // eslint-disable-next-line @typescript-eslint/no-namespace
-  namespace NodeJS {
-    interface ProcessEnv {
-      NEXTAUTH_URL?: string
-      VERCEL?: "1"
-    }
-  }
+  const request = new Request(url, { headers: new Headers(req.headers) })
+
+  options.secret ??= process.env.NEXTAUTH_SECRET
+  options.trustHost = true
+  const response = await AuthHandler(request, options)
+
+  const { status = 200, headers } = response
+
+  setHeaders(headers, res)
+
+  // This would otherwise break rendering
+  // with `getServerSideProps` that needs to always return HTML
+  res.removeHeader?.("Content-Type")
+
+  const data = await response.json()
+
+  if (!data || !Object.keys(data).length) return null
+
+  if (status === 200) {
+    if (isRSC) delete data.expires
+    return data as R
+  }
+  throw new Error(data.message)
 }

packages/next-auth/src/next/middleware.ts

@@ -1,11 +1,12 @@
 import type { NextMiddleware, NextFetchEvent } from "next/server"
-import type { Awaitable, CookieOption, NextAuthOptions } from ".."
+import type { Awaitable, CookieOption, AuthOptions } from ".."
 import type { JWT, JWTOptions } from "../jwt"
 
 import { NextResponse, NextRequest } from "next/server"
 
 import { getToken } from "../jwt"
 import parseUrl from "../utils/parse-url"
+import { detectHost } from "../utils/web"
 
 type AuthorizedCallback = (params: {
   token: JWT | null
@@ -20,7 +21,7 @@ export interface NextAuthMiddlewareOptions {
    * ---
    * [Documentation](https://next-auth.js.org/configuration/pages)
    */
-  pages?: NextAuthOptions["pages"]
+  pages?: AuthOptions["pages"]
 
   /**
    * You can override the default cookie names and options for any of the cookies
@@ -38,7 +39,7 @@ export interface NextAuthMiddlewareOptions {
    */
   cookies?: Partial<
     Record<
-      keyof Pick<keyof NextAuthOptions["cookies"], "sessionToken">,
+      keyof Pick<keyof AuthOptions["cookies"], "sessionToken">,
       Omit<CookieOption, "options">
     >
   >
@@ -56,7 +57,7 @@ export interface NextAuthMiddlewareOptions {
      * Callback that receives the user's JWT payload
      * and returns `true` to allow the user to continue.
      *
-     * This is similar to the `signIn` callback in `NextAuthOptions`.
+     * This is similar to the `signIn` callback in `AuthOptions`.
      *
      * If it returns `false`, the user is redirected to the sign-in page instead
      *
@@ -89,23 +90,43 @@ export interface NextAuthMiddlewareOptions {
    * The same `secret` used in the `NextAuth` configuration.
    * Defaults to the `NEXTAUTH_SECRET` environment variable.
    */
-  secret?: string
+  secret?: AuthOptions["secret"]
+  /**
+   * If set to `true`, NextAuth.js will use either the `x-forwarded-host` or `host` headers,
+   * instead of `NEXTAUTH_URL`
+   * Make sure that reading `x-forwarded-host` on your hosting platform can be trusted.
+   * - ⚠ **This is an advanced option.** Advanced options are passed the same way as basic options,
+   * but **may have complex implications** or side effects.
+   * You should **try to avoid using advanced options** unless you are very comfortable using them.
+   * @default Boolean(process.env.VERCEL ?? process.env.AUTH_TRUST_HOST)
+   */
+  trustHost?: AuthOptions["trustHost"]
 }
 
-// TODO: `NextMiddleware` should allow returning `void`
-// Simplify when https://github.com/vercel/next.js/pull/38625 is merged.
-type NextMiddlewareResult = ReturnType<NextMiddleware> | void // eslint-disable-line @typescript-eslint/no-invalid-void-type
-
 async function handleMiddleware(
   req: NextRequest,
-  options: NextAuthMiddlewareOptions | undefined,
-  onSuccess?: (token: JWT | null) => Promise<NextMiddlewareResult>
+  options: NextAuthMiddlewareOptions | undefined = {},
+  onSuccess?: (token: JWT | null) => ReturnType<NextMiddleware>
 ) {
   const { pathname, search, origin, basePath } = req.nextUrl
 
   const signInPage = options?.pages?.signIn ?? "/api/auth/signin"
   const errorPage = options?.pages?.error ?? "/api/auth/error"
-  const authPath = parseUrl(process.env.NEXTAUTH_URL).path
+
+  options.trustHost ??= !!(
+    process.env.NEXTAUTH_URL ??
+    process.env.VERCEL ??
+    process.env.AUTH_TRUST_HOST
+  )
+
+  const host = detectHost(
+    options.trustHost,
+    req.headers?.get("x-forwarded-host"),
+    process.env.NEXTAUTH_URL ??
+      (process.env.NODE_ENV !== "production" && "http://localhost:3000")
+  )
+  const authPath = parseUrl(host).path
+
   const publicPaths = ["/_next", "/favicon.ico"]
 
   // Avoid infinite redirects/invalid response
@@ -118,8 +139,8 @@ async function handleMiddleware(
     return
   }
 
-  const secret = options?.secret ?? process.env.NEXTAUTH_SECRET
-  if (!secret) {
+  options.secret ??= process.env.NEXTAUTH_SECRET
+  if (!options.secret) {
     console.error(
       `[next-auth][error][NO_SECRET]`,
       `\nhttps://next-auth.js.org/errors#no_secret`
@@ -133,9 +154,9 @@ async function handleMiddleware(
 
   const token = await getToken({
     req,
-    decode: options?.jwt?.decode,
+    decode: options.jwt?.decode,
     cookieName: options?.cookies?.sessionToken?.name,
-    secret,
+    secret: options.secret,
   })
 
   const isAuthorized =
@@ -146,7 +167,10 @@ async function handleMiddleware(
 
   // the user is not logged in, redirect to the sign-in page
   const signInUrl = new URL(`${basePath}${signInPage}`, origin)
-  signInUrl.searchParams.append("callbackUrl", `${basePath}${pathname}${search}`)
+  signInUrl.searchParams.append(
+    "callbackUrl",
+    `${basePath}${pathname}${search}`
+  )
   return NextResponse.redirect(signInUrl)
 }
 
@@ -157,7 +181,7 @@ export interface NextRequestWithAuth extends NextRequest {
 export type NextMiddlewareWithAuth = (
   request: NextRequestWithAuth,
   event: NextFetchEvent
-) => NextMiddlewareResult | Promise<NextMiddlewareResult>
+) => ReturnType<NextMiddleware>
 
 export type WithAuthArgs =
   | [NextRequestWithAuth]

packages/next-auth/src/next/utils.ts

@@ -1,15 +0,0 @@
-import { serialize } from "cookie"
-import { Cookie } from "../core/lib/cookie"
-
-export function setCookie(res, cookie: Cookie) {
-  // Preserve any existing cookies that have already been set in the same session
-  let setCookieHeader = res.getHeader("Set-Cookie") ?? []
-  // If not an array (i.e. a string with a single cookie) convert it into an array
-  if (!Array.isArray(setCookieHeader)) {
-    setCookieHeader = [setCookieHeader]
-  }
-  const { name, value, options } = cookie
-  const cookieHeader = serialize(name, value, options)
-  setCookieHeader.push(cookieHeader)
-  res.setHeader("Set-Cookie", setCookieHeader)
-}

packages/next-auth/src/providers/naver.ts

@@ -31,7 +31,7 @@ export default function Naver<P extends NaverProfile>(
     profile(profile) {
       return {
         id: profile.response.id,
-        name: profile.response.name,
+        name: profile.response.nickname,
         email: profile.response.email,
         image: profile.response.profile_image,
       }

packages/next-auth/src/providers/oauth.ts

@@ -160,7 +160,7 @@ export interface OAuthConfig<P> extends CommonProviderOptions, PartialIssuer {
 }
 
 /** @internal */
-export interface InternalOAuthConfig<P>
+export interface OAuthConfigInternal<P>
   extends Omit<OAuthConfig<P>, "authorization" | "token" | "userinfo"> {
   authorization?: AuthorizationEndpointHandler
   token?: TokenEndpointHandler

packages/next-auth/src/react/index.tsx

@@ -18,7 +18,7 @@ import {
   apiBaseUrl,
   fetchData,
   now,
-  NextAuthClientConfig,
+  AuthClientConfig,
 } from "../client/_utils"
 
 import type {
@@ -46,7 +46,7 @@ export * from "./types"
 //    relative URLs are valid in that context and so defaults to empty.
 // 2. When invoked server side the value is picked up from an environment
 //    variable and defaults to 'http://localhost:3000'.
-const __NEXTAUTH: NextAuthClientConfig = {
+const __NEXTAUTH: AuthClientConfig = {
   baseUrl: parseUrl(process.env.NEXTAUTH_URL ?? process.env.VERCEL_URL).origin,
   basePath: parseUrl(process.env.NEXTAUTH_URL).path,
   baseUrlServer: parseUrl(
@@ -241,13 +241,13 @@ export async function signIn<
     method: "post",
     headers: {
       "Content-Type": "application/x-www-form-urlencoded",
+      "X-Auth-Return-Redirect": "1",
     },
     // @ts-expect-error
     body: new URLSearchParams({
       ...options,
       csrfToken: await getCsrfToken(),
       callbackUrl,
-      json: true,
     }),
   })
 
@@ -291,12 +291,11 @@ export async function signOut<R extends boolean = true>(
     method: "post",
     headers: {
       "Content-Type": "application/x-www-form-urlencoded",
+      "X-Auth-Return-Redirect": "1",
     },
-    // @ts-expect-error
     body: new URLSearchParams({
-      csrfToken: await getCsrfToken(),
+      csrfToken: (await getCsrfToken()) ?? "",
       callbackUrl,
-      json: true,
     }),
   }
   const res = await fetch(`${baseUrl}/signout`, fetchOptions)

packages/next-auth/src/utils/detect-host.ts

@@ -1,8 +0,0 @@
-/** Extract the host from the environment */
-export function detectHost(forwardedHost: any) {
-  // If we detect a Vercel environment, we can trust the host
-  if (process.env.VERCEL ?? process.env.AUTH_TRUST_HOST)
-    return forwardedHost
-  // If `NEXTAUTH_URL` is `undefined` we fall back to "http://localhost:3000"
-  return process.env.NEXTAUTH_URL
-}

packages/next-auth/src/utils/node.ts

@@ -0,0 +1,161 @@
+import type { IncomingMessage, ServerResponse } from "http"
+import type { GetServerSidePropsContext, NextApiRequest } from "next"
+
+export function setCookie(res, value: string) {
+  // Preserve any existing cookies that have already been set in the same session
+  let setCookieHeader = res.getHeader("Set-Cookie") ?? []
+  // If not an array (i.e. a string with a single cookie) convert it into an array
+  if (!Array.isArray(setCookieHeader)) {
+    setCookieHeader = [setCookieHeader]
+  }
+  setCookieHeader.push(value)
+  res.setHeader("Set-Cookie", setCookieHeader)
+}
+
+export function getBody(
+  req: IncomingMessage | NextApiRequest | GetServerSidePropsContext["req"]
+) {
+  if (!("body" in req) || !req.body || req.method !== "POST") {
+    return
+  }
+
+  if (req.body instanceof ReadableStream) {
+    return { body: req.body }
+  }
+  return { body: JSON.stringify(req.body) }
+}
+
+/**
+ * Extract the full request URL from the environment.
+ * NOTE: It does not verify if the host should be trusted.
+ */
+export function getURL(url: string | undefined, headers: Headers): URL | Error {
+  try {
+    if (!url) throw new Error("Missing url")
+    if (process.env.NEXTAUTH_URL) {
+      const base = new URL(process.env.NEXTAUTH_URL)
+      if (!["http:", "https:"].includes(base.protocol)) {
+        throw new Error("Invalid protocol")
+      }
+      const hasCustomPath = base.pathname !== "/"
+
+      if (hasCustomPath) {
+        const apiAuthRe = /\/api\/auth\/?$/
+        const basePathname = base.pathname.match(apiAuthRe)
+          ? base.pathname.replace(apiAuthRe, "")
+          : base.pathname
+        return new URL(basePathname.replace(/\/$/, "") + url, base.origin)
+      }
+      return new URL(url, base)
+    }
+    const proto =
+      headers.get("x-forwarded-proto") ??
+      (process.env.NODE_ENV !== "production" ? "http" : "https")
+    const host = headers.get("x-forwarded-host") ?? headers.get("host")
+    if (!["http", "https"].includes(proto)) throw new Error("Invalid protocol")
+    const origin = `${proto}://${host}`
+    if (!host) throw new Error("Missing host")
+    return new URL(url, origin)
+  } catch (error) {
+    return error as Error
+  }
+}
+
+/**
+ * Set-Cookie header field-values are sometimes comma joined in one string. This splits them without choking on commas
+ * that are within a single set-cookie field-value, such as in the Expires portion.
+ * This is uncommon, but explicitly allowed - see https://tools.ietf.org/html/rfc2616#section-4.2
+ * Node.js does this for every header *except* set-cookie - see https://github.com/nodejs/node/blob/d5e363b77ebaf1caf67cd7528224b651c86815c1/lib/_http_incoming.js#L128
+ * Based on: https://github.com/google/j2objc/commit/16820fdbc8f76ca0c33472810ce0cb03d20efe25
+ * Credits to: https://github.com/tomball for original and https://github.com/chrusart for JavaScript implementation
+ * @source https://github.com/nfriedly/set-cookie-parser/blob/3eab8b7d5d12c8ed87832532861c1a35520cf5b3/lib/set-cookie.js#L144
+ */
+function getSetCookies(cookiesString: string) {
+  if (typeof cookiesString !== "string") {
+    return []
+  }
+
+  const cookiesStrings: string[] = []
+  let pos = 0
+  let start
+  let ch
+  let lastComma: number
+  let nextStart
+  let cookiesSeparatorFound
+
+  function skipWhitespace() {
+    while (pos < cookiesString.length && /\s/.test(cookiesString.charAt(pos))) {
+      pos += 1
+    }
+    return pos < cookiesString.length
+  }
+
+  function notSpecialChar() {
+    ch = cookiesString.charAt(pos)
+
+    return ch !== "=" && ch !== ";" && ch !== ","
+  }
+
+  while (pos < cookiesString.length) {
+    start = pos
+    cookiesSeparatorFound = false
+
+    while (skipWhitespace()) {
+      ch = cookiesString.charAt(pos)
+      if (ch === ",") {
+        // ',' is a cookie separator if we have later first '=', not ';' or ','
+        lastComma = pos
+        pos += 1
+
+        skipWhitespace()
+        nextStart = pos
+
+        while (pos < cookiesString.length && notSpecialChar()) {
+          pos += 1
+        }
+
+        // currently special character
+        if (pos < cookiesString.length && cookiesString.charAt(pos) === "=") {
+          // we found cookies separator
+          cookiesSeparatorFound = true
+          // pos is inside the next cookie, so back up and return it.
+          pos = nextStart
+          cookiesStrings.push(cookiesString.substring(start, lastComma))
+          start = pos
+        } else {
+          // in param ',' or param separator ';',
+          // we continue from that comma
+          pos = lastComma + 1
+        }
+      } else {
+        pos += 1
+      }
+    }
+
+    if (!cookiesSeparatorFound || pos >= cookiesString.length) {
+      cookiesStrings.push(cookiesString.substring(start, cookiesString.length))
+    }
+  }
+
+  return cookiesStrings
+}
+
+export function setHeaders(headers: Headers, res: ServerResponse) {
+  for (const [key, val] of headers.entries()) {
+    // See: https://github.com/whatwg/fetch/issues/973
+    const value = key === "set-cookie" ? getSetCookies(val) : val
+    res.setHeader(key, value)
+  }
+}
+
+declare global {
+  // eslint-disable-next-line @typescript-eslint/no-namespace
+  namespace NodeJS {
+    interface ProcessEnv {
+      AUTH_TRUST_HOST?: string
+      NEXTAUTH_URL?: string
+      NEXTAUTH_SECRET?: string
+      VERCEL?: "1"
+    }
+  }
+}

packages/next-auth/src/utils/parse-url.ts

@@ -11,11 +11,14 @@ export interface InternalUrl {
   toString: () => string
 }
 
-/** Returns an `URL` like object to make requests/redirects from server-side */
-export default function parseUrl(url?: string): InternalUrl {
+/**
+ * TODO: Can we remove this?
+ * Returns an `URL` like object to make requests/redirects from server-side
+ */
+export default function parseUrl(url?: string | URL): InternalUrl {
   const defaultUrl = new URL("http://localhost:3000/api/auth")
 
-  if (url && !url.startsWith("http")) {
+  if (url && !url.toString().startsWith("http")) {
     url = `https://${url}`
   }
 

packages/next-auth/src/utils/web.ts

@@ -0,0 +1,135 @@
+import { serialize, parse as parseCookie } from "cookie"
+import { UnknownAction } from "../core/errors"
+import type { ResponseInternal, RequestInternal } from "../core"
+import type { AuthAction } from "../core/types"
+
+const decoder = new TextDecoder()
+
+async function streamToString(stream): Promise<string> {
+  const chunks: Uint8Array[] = []
+  return await new Promise((resolve, reject) => {
+    stream.on("data", (chunk) => chunks.push(Buffer.from(chunk)))
+    stream.on("error", (err) => reject(err))
+    stream.on("end", () => resolve(Buffer.concat(chunks).toString("utf8")))
+  })
+}
+
+async function readJSONBody(
+  body: ReadableStream | Buffer
+): Promise<Record<string, any> | undefined> {
+  try {
+    if ("getReader" in body) {
+      const reader = body.getReader()
+      const bytes: number[] = []
+      while (true) {
+        const { value, done } = await reader.read()
+        if (done) break
+        bytes.push(...value)
+      }
+      const b = new Uint8Array(bytes)
+      return JSON.parse(decoder.decode(b))
+    }
+
+    // node-fetch
+
+    if (typeof Buffer !== "undefined" && Buffer.isBuffer(body)) {
+      return JSON.parse(body.toString("utf8"))
+    }
+
+    return JSON.parse(await streamToString(body))
+  } catch (e) {
+    console.error(e)
+  }
+}
+
+// prettier-ignore
+const actions: AuthAction[] = [ "providers", "session", "csrf", "signin", "signout", "callback", "verify-request", "error", "_log" ]
+
+export async function toInternalRequest(
+  req: Request
+): Promise<RequestInternal | Error> {
+  try {
+    // TODO: .toString() should not inclide action and providerId
+    // see init.ts
+    const url = new URL(req.url.replace(/\/$/, ""))
+    const { pathname } = url
+
+    const action = actions.find((a) => pathname.includes(a))
+    if (!action) {
+      throw new UnknownAction("Cannot detect action.")
+    }
+
+    const providerIdOrAction = pathname.split("/").pop()
+    let providerId
+    if (
+      providerIdOrAction &&
+      !action.includes(providerIdOrAction) &&
+      ["signin", "callback"].includes(action)
+    ) {
+      providerId = providerIdOrAction
+    }
+
+    const cookieHeader = req.headers.get("cookie") ?? ""
+
+    return {
+      url,
+      action,
+      providerId,
+      method: req.method ?? "GET",
+      headers: Object.fromEntries(req.headers),
+      body: req.body ? await readJSONBody(req.body) : undefined,
+      cookies:
+        parseCookie(
+          Array.isArray(cookieHeader) ? cookieHeader.join(";") : cookieHeader
+        ) ?? {},
+      error: url.searchParams.get("error") ?? undefined,
+      query: Object.fromEntries(url.searchParams),
+    }
+  } catch (error) {
+    return error
+  }
+}
+
+export function toResponse(res: ResponseInternal): Response {
+  const headers = new Headers(res.headers)
+
+  res.cookies?.forEach((cookie) => {
+    const { name, value, options } = cookie
+    const cookieHeader = serialize(name, value, options)
+    if (headers.has("Set-Cookie")) {
+      headers.append("Set-Cookie", cookieHeader)
+    } else {
+      headers.set("Set-Cookie", cookieHeader)
+    }
+  })
+
+  const body =
+    headers.get("content-type") === "application/json"
+      ? JSON.stringify(res.body)
+      : res.body
+
+  const response = new Response(body, {
+    headers,
+    status: res.redirect ? 302 : res.status ?? 200,
+  })
+
+  if (res.redirect) {
+    response.headers.set("Location", res.redirect)
+  }
+
+  return response
+}
+
+// TODO: Remove
+/** Extract the host from the environment */
+export function detectHost(
+  trusted: boolean,
+  forwardedValue: string | string[] | undefined | null,
+  defaultValue: string | false
+): string | undefined {
+  if (trusted && forwardedValue) {
+    return Array.isArray(forwardedValue) ? forwardedValue[0] : forwardedValue
+  }
+
+  return defaultValue || undefined
+}

packages/next-auth/tests/assert.test.ts

@@ -4,12 +4,12 @@ import {
   MissingAdapterMethods,
   MissingSecret,
 } from "../src/core/errors"
-import { handler } from "./lib"
+import { handler } from "./utils"
 import EmailProvider from "../src/providers/email"
 
 it("Show error page if secret is not defined", async () => {
   const { res, log } = await handler(
-    { providers: [], secret: undefined },
+    { providers: [], secret: undefined, trustHost: true },
     { prod: true }
   )
 
@@ -28,6 +28,7 @@ it("Show error page if adapter is missing functions when using with email", asyn
       adapter: missingFunctionAdapter,
       providers: [EmailProvider({ sendVerificationRequest })],
       secret: "secret",
+      trustHost: true,
     },
     { prod: true }
   )
@@ -48,6 +49,7 @@ it("Show error page if adapter is not configured when using with email", async (
     {
       providers: [EmailProvider({ sendVerificationRequest })],
       secret: "secret",
+      trustHost: true,
     },
     { prod: true }
   )
@@ -64,7 +66,7 @@ it("Show error page if adapter is not configured when using with email", async (
 
 it("Should show configuration error page on invalid `callbackUrl`", async () => {
   const { res, log } = await handler(
-    { providers: [] },
+    { providers: [], trustHost: true },
     { prod: true, params: { callbackUrl: "invalid-callback" } }
   )
 
@@ -80,7 +82,7 @@ it("Should show configuration error page on invalid `callbackUrl`", async () =>
 
 it("Allow relative `callbackUrl`", async () => {
   const { res, log } = await handler(
-    { providers: [] },
+    { providers: [], trustHost: true },
     { prod: true, params: { callbackUrl: "/callback" } }
   )
 

packages/next-auth/tests/email.test.ts

@@ -1,8 +1,9 @@
-import { createCSRF, handler, mockAdapter } from "./lib"
+import { createCSRF, handler, mockAdapter } from "./utils"
 import EmailProvider from "../src/providers/email"
 
 it("Send e-mail to the only address correctly", async () => {
   const { secret, csrf } = await createCSRF()
+
   const sendVerificationRequest = jest.fn()
   const signIn = jest.fn(() => true)
 
@@ -13,12 +14,13 @@ it("Send e-mail to the only address correctly", async () => {
       providers: [EmailProvider({ sendVerificationRequest })],
       callbacks: { signIn },
       secret,
+      trustHost: true,
     },
     {
       path: "signin/email",
       requestInit: {
         method: "POST",
-        headers: { cookie: csrf.cookie },
+        headers: { cookie: csrf.cookie, "content-type": "application/json" },
         body: JSON.stringify({ email: email, csrfToken: csrf.value }),
       },
     }
@@ -53,12 +55,13 @@ it("Send e-mail to first address only", async () => {
       providers: [EmailProvider({ sendVerificationRequest })],
       callbacks: { signIn },
       secret,
+      trustHost: true,
     },
     {
       path: "signin/email",
       requestInit: {
         method: "POST",
-        headers: { cookie: csrf.cookie },
+        headers: { cookie: csrf.cookie, "content-type": "application/json" },
         body: JSON.stringify({ email: email, csrfToken: csrf.value }),
       },
     }
@@ -93,12 +96,13 @@ it("Send e-mail to address with first domain", async () => {
       providers: [EmailProvider({ sendVerificationRequest })],
       callbacks: { signIn },
       secret,
+      trustHost: true,
     },
     {
       path: "signin/email",
       requestInit: {
         method: "POST",
-        headers: { cookie: csrf.cookie },
+        headers: { cookie: csrf.cookie, "content-type": "application/json" },
         body: JSON.stringify({ email: email, csrfToken: csrf.value }),
       },
     }
@@ -139,12 +143,13 @@ it("Redirect to error page if multiple addresses aren't allowed", async () => {
         }),
       ],
       secret,
+      trustHost: true,
     },
     {
       path: "signin/email",
       requestInit: {
         method: "POST",
-        headers: { cookie: csrf.cookie },
+        headers: { cookie: csrf.cookie, "content-type": "application/json" },
         body: JSON.stringify({
           email: "email@email.com,email@email2.com",
           csrfToken: csrf.value,
@@ -156,7 +161,6 @@ it("Redirect to error page if multiple addresses aren't allowed", async () => {
   expect(signIn).toBeCalledTimes(0)
   expect(sendVerificationRequest).toBeCalledTimes(0)
 
-  // @ts-expect-error
   expect(log.error.mock.calls[0]).toEqual([
     "SIGNIN_EMAIL_ERROR",
     { error, providerId: "email" },

packages/next-auth/tests/getServerSession.test.ts

@@ -1,7 +1,7 @@
 import * as core from "../src/core"
 import { MissingSecret } from "../src/core/errors"
 import { unstable_getServerSession } from "../src/next"
-import { mockLogger } from "./lib"
+import { mockLogger } from "./utils"
 
 const originalWarn = console.warn
 let logger = mockLogger()
@@ -83,9 +83,9 @@ describe("Return correct data", () => {
   })
 
   it("Should return null if there is no session", async () => {
-    const spy = jest.spyOn(core, "NextAuthHandler")
-    // @ts-expect-error
-    spy.mockReturnValue({ body: {} })
+    const spy = jest.spyOn(core, "AuthHandler")
+    // @ts-expect-error [Response.json](https://developer.mozilla.org/en-US/docs/Web/API/Response/json)
+    spy.mockReturnValue(Promise.resolve(Response.json(null)))
 
     const session = await unstable_getServerSession(req, res, {
       providers: [],
@@ -97,21 +97,19 @@ describe("Return correct data", () => {
   })
 
   it("Should return the session if one is found", async () => {
-    const mockedResponse = {
-      body: {
-        user: {
-          name: "John Doe",
-          email: "test@example.com",
-          image: "",
-          id: "1234",
-        },
-        expires: "",
+    const mockedBody = {
+      user: {
+        name: "John Doe",
+        email: "test@example.com",
+        image: "",
+        id: "1234",
       },
+      expires: "",
     }
 
-    const spy = jest.spyOn(core, "NextAuthHandler")
-    // @ts-expect-error
-    spy.mockReturnValue(mockedResponse)
+    const spy = jest.spyOn(core, "AuthHandler")
+    // @ts-expect-error [Response.json](https://developer.mozilla.org/en-US/docs/Web/API/Response/json)
+    spy.mockReturnValue(Promise.resolve(Response.json(mockedBody)))
 
     const session = await unstable_getServerSession(req, res, {
       providers: [],
@@ -119,6 +117,6 @@ describe("Return correct data", () => {
       secret: "secret",
     })
 
-    expect(session).toEqual(mockedResponse.body)
+    expect(session).toEqual(mockedBody)
   })
 })

packages/next-auth/tests/getURL.test.ts

@@ -0,0 +1,138 @@
+import { getURL as getURLOriginal } from "../src/utils/node"
+
+it("Should return error when missing url", () => {
+  expect(getURL(undefined, {})).toEqual(new Error("Missing url"))
+})
+
+it("Should return error when missing host", () => {
+  expect(getURL("/", {})).toEqual(new Error("Missing host"))
+})
+
+it("Should return error when invalid protocol", () => {
+  expect(
+    getURL("/", { host: "localhost", "x-forwarded-proto": "file" })
+  ).toEqual(new Error("Invalid protocol"))
+})
+
+it("Should return error when invalid host", () => {
+  expect(getURL("/", { host: "/" })).toEqual(
+    new TypeError("Invalid base URL: http:///")
+  )
+})
+
+it("Should read host headers", () => {
+  expect(getURL("/api/auth/session", { host: "localhost" })).toBeURL(
+    "http://localhost/api/auth/session"
+  )
+
+  expect(
+    getURL("/custom/api/auth/session", { "x-forwarded-host": "localhost:3000" })
+  ).toBeURL("http://localhost:3000/custom/api/auth/session")
+
+  // Prefer x-forwarded-host over host
+  expect(
+    getURL("/", { host: "localhost", "x-forwarded-host": "localhost:3000" })
+  ).toBeURL("http://localhost:3000/")
+})
+
+it("Should read protocol headers", () => {
+  expect(
+    getURL("/", { host: "localhost", "x-forwarded-proto": "http" })
+  ).toBeURL("http://localhost/")
+})
+
+describe("process.env.NEXTAUTH_URL", () => {
+  afterEach(() => delete process.env.NEXTAUTH_URL)
+
+  it("Should prefer over headers if present", () => {
+    process.env.NEXTAUTH_URL = "http://localhost:3000"
+    expect(getURL("/api/auth/session", { host: "localhost" })).toBeURL(
+      "http://localhost:3000/api/auth/session"
+    )
+  })
+
+  it("catch errors", () => {
+    process.env.NEXTAUTH_URL = "invald-url"
+    expect(getURL("/api/auth/session", {})).toEqual(
+      new TypeError("Invalid URL: invald-url")
+    )
+
+    process.env.NEXTAUTH_URL = "file://localhost"
+    expect(getURL("/api/auth/session", {})).toEqual(
+      new TypeError("Invalid protocol")
+    )
+  })
+
+  it("Supports custom base path", () => {
+    process.env.NEXTAUTH_URL = "http://localhost:3000/custom/api/auth"
+    expect(getURL("/api/auth/session", {})).toBeURL(
+      "http://localhost:3000/custom/api/auth/session"
+    )
+
+    // With trailing slash
+    process.env.NEXTAUTH_URL = "http://localhost:3000/custom/api/auth/"
+    expect(getURL("/api/auth/session", {})).toBeURL(
+      "http://localhost:3000/custom/api/auth/session"
+    )
+
+    // Multiple custom segments
+    process.env.NEXTAUTH_URL = "http://localhost:3000/custom/path/api/auth"
+    expect(getURL("/api/auth/session", {})).toBeURL(
+      "http://localhost:3000/custom/path/api/auth/session"
+    )
+
+    process.env.NEXTAUTH_URL = "http://localhost:3000/custom/path/api/auth/"
+    expect(getURL("/api/auth/session", {})).toBeURL(
+      "http://localhost:3000/custom/path/api/auth/session"
+    )
+
+    // No /api/auth
+    process.env.NEXTAUTH_URL = "http://localhost:3000/custom/nextauth"
+    expect(getURL("/session", {})).toBeURL(
+      "http://localhost:3000/custom/nextauth/session"
+    )
+
+    // No /api/auth, with trailing slash
+    process.env.NEXTAUTH_URL = "http://localhost:3000/custom/nextauth/"
+    expect(getURL("/session", {})).toBeURL(
+      "http://localhost:3000/custom/nextauth/session"
+    )
+  })
+})
+
+// Utils
+
+function getURL(
+  url: Parameters<typeof getURLOriginal>[0],
+  headers: HeadersInit
+) {
+  return getURLOriginal(url, new Headers(headers))
+}
+
+expect.extend({
+  toBeURL(rec, exp) {
+    const r = rec.toString()
+    const e = exp.toString()
+    const printR = this.utils.printReceived
+    const printE = this.utils.printExpected
+    if (r === e) {
+      return {
+        message: () => `expected ${printE(e)} not to be ${printR(r)}`,
+        pass: true,
+      }
+    }
+    return {
+      message: () => `expected ${printE(e)}, got ${printR(r)}`,
+      pass: false,
+    }
+  },
+})
+
+declare global {
+  // eslint-disable-next-line @typescript-eslint/no-namespace
+  namespace jest {
+    interface Matchers<R> {
+      toBeURL: (expected: string) => R
+    }
+  }
+}

packages/next-auth/tests/lib.ts

@@ -1,68 +0,0 @@
-import { createHash } from "crypto"
-import { NextAuthHandler } from "../src/core"
-import type { LoggerInstance, NextAuthOptions } from "../src"
-import type { Adapter } from "../src/adapters"
-
-export const mockLogger: () => LoggerInstance = () => ({
-  error: jest.fn(() => {}),
-  warn: jest.fn(() => {}),
-  debug: jest.fn(() => {}),
-})
-
-interface HandlerOptions {
-  prod?: boolean
-  path?: string
-  params?: URLSearchParams | Record<string, string>
-  requestInit?: RequestInit
-}
-
-export async function handler(
-  options: NextAuthOptions,
-  { prod, path, params, requestInit }: HandlerOptions
-) {
-  // @ts-expect-error
-  if (prod) process.env.NODE_ENV = "production"
-
-  const url = new URL(
-    `http://localhost/api/auth/${path ?? "signin"}?${new URLSearchParams(
-      params ?? {}
-    )}`
-  )
-  const req = new Request(url, { headers: { host: "" }, ...requestInit })
-  const logger = mockLogger()
-  const response = await NextAuthHandler({
-    req,
-    options: { secret: "secret", ...options, logger },
-  })
-  // @ts-expect-error
-  if (prod) process.env.NODE_ENV = "test"
-
-  return {
-    res: {
-      ...response,
-      html:
-        response.headers?.[0].value === "text/html" ? response.body : undefined,
-    },
-    log: logger,
-  }
-}
-
-export function createCSRF() {
-  const secret = "secret"
-  const value = "csrf"
-  const token = createHash("sha256").update(`${value}${secret}`).digest("hex")
-
-  return {
-    secret,
-    csrf: { value, token, cookie: `next-auth.csrf-token=${value}|${token}` },
-  }
-}
-
-export function mockAdapter(): Adapter {
-  const adapter: Adapter = {
-    createVerificationToken: jest.fn(() => {}),
-    useVerificationToken: jest.fn(() => {}),
-    getUserByEmail: jest.fn(() => {}),
-  }
-  return adapter
-}

packages/next-auth/tests/middleware.test.ts

@@ -1,95 +1,69 @@
-import { NextMiddleware } from "next/server"
+import { NextMiddleware, NextRequest } from "next/server"
 import { NextAuthMiddlewareOptions, withAuth } from "../src/next/middleware"
 
 it("should not match pages as public paths", async () => {
   const options: NextAuthMiddlewareOptions = {
-    pages: {
-      signIn: "/",
-      error: "/",
-    },
+    pages: { signIn: "/", error: "/" },
     secret: "secret",
   }
-
-  const nextUrl: any = {
-    pathname: "/protected/pathA",
-    search: "",
-    origin: "http://127.0.0.1",
-  }
-  const req: any = { nextUrl, headers: { authorization: "" } }
-
   const handleMiddleware = withAuth(options) as NextMiddleware
-  const res = await handleMiddleware(req, null as any)
-  expect(res).toBeDefined()
-  expect(res?.status).toBe(307)
+
+  const response = await handleMiddleware(
+    new NextRequest("http://127.0.0.1/protected/pathA"),
+    null as any
+  )
+
+  expect(response?.status).toBe(307)
+  expect(response?.headers.get("location")).toBe(
+    "http://localhost/?callbackUrl=%2Fprotected%2FpathA"
+  )
 })
 
 it("should not redirect on public paths", async () => {
-  const options: NextAuthMiddlewareOptions = {
-    secret: "secret",
-  }
-  const nextUrl: any = {
-    pathname: "/_next/foo",
-    search: "",
-    origin: "http://127.0.0.1",
-  }
-  const req: any = { nextUrl, headers: { authorization: "" } }
+  const options: NextAuthMiddlewareOptions = { secret: "secret" }
+
+  const req = new NextRequest("http://127.0.0.1/_next/foo")
 
   const handleMiddleware = withAuth(options) as NextMiddleware
   const res = await handleMiddleware(req, null as any)
   expect(res).toBeUndefined()
 })
 
-it("should redirect according to nextUrl basePath", async () => {
-  const options: NextAuthMiddlewareOptions = {
-    secret: "secret"
-  }
-  const nextUrl: any = {
-    pathname: "/protected/pathA",
-    search: "",
-    origin: "http://127.0.0.1",
-    basePath: "/custom-base-path",
-  }
-  const req: any = { nextUrl, headers: { authorization: "" } }
-
-  const handleMiddleware = withAuth(options) as NextMiddleware
-  const res = await handleMiddleware(req, null as any)
-  expect(res).toBeDefined()
-  expect(res.status).toEqual(307)
-  expect(res.headers.get('location')).toContain("http://127.0.0.1/custom-base-path/api/auth/signin?callbackUrl=%2Fcustom-base-path%2Fprotected%2FpathA")
-})
-
-it("should redirect according to nextUrl basePath", async () => {
-  // given
-  const options: NextAuthMiddlewareOptions = {
-    secret: "secret"
-  }
+it("should respect NextURL#basePath when redirecting", async () => {
+  const options: NextAuthMiddlewareOptions = { secret: "secret" }
   const handleMiddleware = withAuth(options) as NextMiddleware
 
-  // when
-  const res = await handleMiddleware({
-    nextUrl: {
-      pathname: "/protected/pathA",
-      search: "",
-      origin: "http://127.0.0.1",
-      basePath: "/custom-base-path"
-    }, headers: { authorization: "" }
-  } as any, null as any)
+  const response1 = await handleMiddleware(
+    {
+      nextUrl: {
+        pathname: "/protected/pathA",
+        search: "",
+        origin: "http://127.0.0.1",
+        basePath: "/custom-base-path",
+      },
+    } as unknown as NextRequest,
+    null as any
+  )
+  expect(response1?.status).toEqual(307)
+  expect(response1?.headers.get("location")).toBe(
+    "http://127.0.0.1/custom-base-path/api/auth/signin?callbackUrl=%2Fcustom-base-path%2Fprotected%2FpathA"
+  )
 
-  // then
-  expect(res).toBeDefined()
-  expect(res.status).toEqual(307)
-  expect(res.headers.get("location")).toContain("http://127.0.0.1/custom-base-path/api/auth/signin?callbackUrl=%2Fcustom-base-path%2Fprotected%2FpathA")
+  // Should not redirect when invoked on sign in page
 
-  // and when follow redirect
-  const resFromRedirectedUrl = await handleMiddleware({
-    nextUrl: {
-      pathname: "/api/auth/signin",
-      search: "callbackUrl=%2Fcustom-base-path%2Fprotected%2FpathA",
-      origin: "http://127.0.0.1",
-      basePath: "/custom-base-path"
-    }, headers: { authorization: "" }
-  } as any, null as any)
+  const response2 = await handleMiddleware(
+    {
+      nextUrl: {
+        pathname: "/api/auth/signin",
+        searchParams: new URLSearchParams({
+          callbackUrl: "/custom-base-path/protected/pathA",
+        }),
+        origin: "http://127.0.0.1",
+        basePath: "/custom-base-path",
+      },
+    } as unknown as NextRequest,
+    null as any
+  )
 
-  // then return sign in page
-  expect(resFromRedirectedUrl).toBeUndefined()
+  expect(response2).toBeUndefined()
 })

packages/next-auth/tests/next.test.ts

@@ -0,0 +1,142 @@
+import { nodeHandler } from "./utils"
+
+it("Missing req.url throws in dev", async () => {
+  await expect(nodeHandler).rejects.toThrow(new Error("Missing url"))
+})
+
+const configErrorMessage =
+  "There is a problem with the server configuration. Check the server logs for more information."
+
+it("Missing req.url returns config error in prod", async () => {
+  // @ts-expect-error
+  process.env.NODE_ENV = "production"
+  const { res, logger } = await nodeHandler()
+
+  expect(logger.error).toBeCalledTimes(1)
+  const error = new Error("Missing url")
+  expect(logger.error).toBeCalledWith("INVALID_URL", error)
+
+  expect(res.status).toBeCalledWith(400)
+  expect(res.json).toBeCalledWith({ message: configErrorMessage })
+
+  // @ts-expect-error
+  process.env.NODE_ENV = "test"
+})
+
+it("Missing host throws in dev", async () => {
+  await expect(
+    async () =>
+      await nodeHandler({
+        req: { query: { nextauth: ["session"] } },
+      })
+  ).rejects.toThrow(Error)
+})
+
+it("Missing host config error in prod", async () => {
+  // @ts-expect-error
+  process.env.NODE_ENV = "production"
+  const { res, logger } = await nodeHandler({
+    req: { query: { nextauth: ["session"] } },
+  })
+  expect(res.status).toBeCalledWith(400)
+  expect(res.json).toBeCalledWith({ message: configErrorMessage })
+
+  expect(logger.error).toBeCalledWith("INVALID_URL", new Error("Missing url"))
+  // @ts-expect-error
+  process.env.NODE_ENV = "test"
+})
+
+it("Defined host throws 400 in production if not trusted", async () => {
+  // @ts-expect-error
+  process.env.NODE_ENV = "production"
+  const { res } = await nodeHandler({
+    req: { headers: { host: "http://localhost" } },
+  })
+  expect(res.status).toBeCalledWith(400)
+  // @ts-expect-error
+  process.env.NODE_ENV = "test"
+})
+
+it("Defined host throws 400 in production if trusted but invalid URL", async () => {
+  // @ts-expect-error
+  process.env.NODE_ENV = "production"
+  const { res } = await nodeHandler({
+    req: { headers: { host: "localhost" } },
+    options: { trustHost: true },
+  })
+  expect(res.status).toBeCalledWith(400)
+  // @ts-expect-error
+  process.env.NODE_ENV = "test"
+})
+
+it("Defined host does not throw in production if trusted and valid URL", async () => {
+  // @ts-expect-error
+  process.env.NODE_ENV = "production"
+  const { res } = await nodeHandler({
+    req: {
+      url: "/api/auth/session",
+      headers: { host: "http://localhost" },
+    },
+    options: { trustHost: true },
+  })
+  expect(res.status).toBeCalledWith(200)
+  expect(JSON.parse(res.send.mock.calls[0][0])).toEqual({})
+  // @ts-expect-error
+  process.env.NODE_ENV = "test"
+})
+
+it("Use process.env.NEXTAUTH_URL for host if present", async () => {
+  process.env.NEXTAUTH_URL = "http://localhost"
+  const { res } = await nodeHandler({
+    req: { url: "/api/auth/session" },
+  })
+  expect(res.status).toBeCalledWith(200)
+  expect(JSON.parse(res.send.mock.calls[0][0])).toEqual({})
+})
+
+it("Redirects if necessary", async () => {
+  process.env.NEXTAUTH_URL = "http://localhost"
+  const { res } = await nodeHandler({
+    req: {
+      method: "post",
+      url: "/api/auth/signin/github",
+    },
+  })
+  expect(res.status).toBeCalledWith(302)
+  expect(res.setHeader).toBeCalledWith("set-cookie", [
+    expect.stringMatching(
+      /next-auth.csrf-token=.*; Path=\/; HttpOnly; SameSite=Lax/
+    ),
+    `next-auth.callback-url=${encodeURIComponent(
+      process.env.NEXTAUTH_URL
+    )}; Path=/; HttpOnly; SameSite=Lax`,
+  ])
+  expect(res.setHeader).toBeCalledTimes(2)
+  expect(res.send).toBeCalledWith("")
+})
+
+it("Returns redirect if `X-Auth-Return-Redirect` header is present", async () => {
+  process.env.NEXTAUTH_URL = "http://localhost"
+  const { res } = await nodeHandler({
+    req: {
+      method: "post",
+      url: "/api/auth/signin/github",
+      headers: { "X-Auth-Return-Redirect": "1" },
+    },
+  })
+
+  expect(res.status).toBeCalledWith(200)
+  expect(res.setHeader).toBeCalledWith("content-type", "application/json")
+  expect(res.setHeader).toBeCalledWith("set-cookie", [
+    expect.stringMatching(
+      /next-auth.csrf-token=.*; Path=\/; HttpOnly; SameSite=Lax/
+    ),
+    `next-auth.callback-url=${encodeURIComponent(
+      process.env.NEXTAUTH_URL
+    )}; Path=/; HttpOnly; SameSite=Lax`,
+  ])
+  expect(res.setHeader).toBeCalledTimes(2)
+  expect(res.send).toBeCalledWith(
+    JSON.stringify({ url: "http://localhost/api/auth/signin?csrf=true" })
+  )
+})

packages/next-auth/tests/pkce-handler.test.ts

@@ -0,0 +1,169 @@
+import { mockLogger } from "./utils"
+import type {
+  InternalOptions,
+  LoggerInstance,
+  InternalProvider,
+  CallbacksOptions,
+  Account,
+  Awaitable,
+  Profile,
+  Session,
+  User,
+  CookiesOptions,
+} from "../src"
+import { createPKCE } from "../src/core/lib/oauth/pkce-handler"
+import { InternalUrl } from "../src/utils/parse-url"
+import { JWT, JWTDecodeParams, JWTEncodeParams, JWTOptions } from "../src/jwt"
+import { CredentialInput } from "../src/providers"
+
+let logger: LoggerInstance
+let url: InternalUrl
+let provider: InternalProvider<"oauth">
+let jwt: JWTOptions
+let callbacks: CallbacksOptions
+let cookies: CookiesOptions
+let options: InternalOptions<"oauth">
+
+beforeEach(() => {
+  logger = mockLogger()
+
+  url = {
+    origin: "http://localhost:3000",
+    host: "localhost:3000",
+    path: "/api/auth",
+    base: "http://localhost:3000/api/auth",
+    toString: () => "http://localhost:3000/api/auth",
+  }
+
+  provider = {
+    type: "oauth",
+    id: "testId",
+    name: "testName",
+    signinUrl: "/",
+    callbackUrl: "/",
+    checks: ["pkce", "state"],
+  }
+
+  jwt = {
+    secret: "secret",
+    maxAge: 0,
+    encode: function (params: JWTEncodeParams): Awaitable<string> {
+      throw new Error("Function not implemented.")
+    },
+    decode: function (params: JWTDecodeParams): Awaitable<JWT | null> {
+      throw new Error("Function not implemented.")
+    },
+  }
+
+  callbacks = {
+    signIn: function (params: {
+      user: User
+      account: Account
+      profile: Profile & Record<string, unknown>
+      email: { verificationRequest?: boolean | undefined }
+      credentials?: Record<string, CredentialInput> | undefined
+    }): Awaitable<string | boolean> {
+      throw new Error("Function not implemented.")
+    },
+    redirect: function (params: {
+      url: string
+      baseUrl: string
+    }): Awaitable<string> {
+      throw new Error("Function not implemented.")
+    },
+    session: function (params: {
+      session: Session
+      user: User
+      token: JWT
+    }): Awaitable<Session> {
+      throw new Error("Function not implemented.")
+    },
+    jwt: function (params: {
+      token: JWT
+      user?: User | undefined
+      account?: Account | undefined
+      profile?: Profile | undefined
+      isNewUser?: boolean | undefined
+    }): Awaitable<JWT> {
+      throw new Error("Function not implemented.")
+    },
+  }
+
+  cookies = {
+    sessionToken: { name: "", options: undefined },
+    callbackUrl: { name: "", options: undefined },
+    csrfToken: { name: "", options: undefined },
+    pkceCodeVerifier: { name: "", options: {} },
+    state: { name: "", options: undefined },
+    nonce: { name: "", options: undefined },
+  }
+
+  options = {
+    url,
+    action: "session",
+    provider,
+    secret: "",
+    debug: false,
+    logger,
+    session: { strategy: "jwt", maxAge: 0, updateAge: 0 },
+    pages: {},
+    jwt,
+    events: {},
+    callbacks,
+    cookies,
+    callbackUrl: "",
+    providers: [],
+    theme: {},
+  }
+})
+
+describe("createPKCE", () => {
+  it("returns a code challenge, code challenge method, and cookie", async () => {
+    const pkce = await createPKCE(options)
+
+    expect(pkce?.code_challenge).not.toBeNull()
+    expect(pkce?.code_challenge_method).toEqual("S256")
+    expect(pkce?.cookie).not.toBeNull()
+  })
+  it("does not return a pkce when the provider does not support pkce", async () => {
+    options.provider.checks = ["state"]
+
+    const pkce = await createPKCE(options)
+
+    expect(pkce).toBeUndefined()
+  })
+  it("sets the cookie expiration to a default of 15 minutes when the max age option is not provided", async () => {
+    const pkce = await createPKCE(options)
+
+    const defaultMaxAge = 60 * 15 // 15 minutes in seconds
+    const expires = new Date()
+    expires.setTime(expires.getTime() + defaultMaxAge * 1000)
+
+    validateCookieExpiration({ pkce, expires })
+    expect(pkce?.cookie.options.maxAge).toBeUndefined()
+  })
+
+  it("sets the cookie expiration and max age to the provided max age from the options", async () => {
+    const maxAge = 60 * 20 // 20 minutes
+    cookies.pkceCodeVerifier.options.maxAge = maxAge
+
+    const pkce = await createPKCE(options)
+
+    const expires = new Date()
+    expires.setTime(expires.getTime() + maxAge * 1000)
+
+    validateCookieExpiration({ pkce, expires })
+    expect(pkce?.cookie.options.maxAge).toEqual(maxAge)
+  })
+})
+
+// comparing the parts instead of getTime() because the milliseconds
+// will not match since the two Date objects are created milliseconds apart
+const validateCookieExpiration = ({ pkce, expires }) => {
+  const cookieExpires = pkce?.cookie.options.expires
+  expect(cookieExpires.getFullYear()).toEqual(expires.getFullYear())
+  expect(cookieExpires.getMonth()).toEqual(expires.getMonth())
+  expect(cookieExpires.getFullYear()).toEqual(expires.getFullYear())
+  expect(cookieExpires.getHours()).toEqual(expires.getHours())
+  expect(cookieExpires.getMinutes()).toEqual(expires.getMinutes())
+}

packages/next-auth/tests/state-handler.test.ts

@@ -0,0 +1,164 @@
+import { mockLogger } from "./utils"
+import type {
+  InternalOptions,
+  LoggerInstance,
+  InternalProvider,
+  CallbacksOptions,
+  Account,
+  Awaitable,
+  Profile,
+  Session,
+  User,
+  CookiesOptions,
+} from "../src"
+import { createState } from "../src/core/lib/oauth/state-handler"
+import { InternalUrl } from "../src/utils/parse-url"
+import { JWT, JWTOptions, encode, decode } from "../src/jwt"
+import { CredentialInput } from "../src/providers"
+
+let logger: LoggerInstance
+let url: InternalUrl
+let provider: InternalProvider<"oauth">
+let jwt: JWTOptions
+let callbacks: CallbacksOptions
+let cookies: CookiesOptions
+let options: InternalOptions<"oauth">
+
+beforeEach(() => {
+  logger = mockLogger()
+
+  url = {
+    origin: "http://localhost:3000",
+    host: "localhost:3000",
+    path: "/api/auth",
+    base: "http://localhost:3000/api/auth",
+    toString: () => "http://localhost:3000/api/auth",
+  }
+
+  provider = {
+    type: "oauth",
+    id: "testId",
+    name: "testName",
+    signinUrl: "/",
+    callbackUrl: "/",
+    checks: ["pkce", "state"],
+  }
+
+  jwt = {
+    secret: "secret",
+    maxAge: 0,
+    encode,
+    decode,
+  }
+
+  callbacks = {
+    signIn: function (params: {
+      user: User
+      account: Account
+      profile: Profile & Record<string, unknown>
+      email: { verificationRequest?: boolean | undefined }
+      credentials?: Record<string, CredentialInput> | undefined
+    }): Awaitable<string | boolean> {
+      throw new Error("Function not implemented.")
+    },
+    redirect: function (params: {
+      url: string
+      baseUrl: string
+    }): Awaitable<string> {
+      throw new Error("Function not implemented.")
+    },
+    session: function (params: {
+      session: Session
+      user: User
+      token: JWT
+    }): Awaitable<Session> {
+      throw new Error("Function not implemented.")
+    },
+    jwt: function (params: {
+      token: JWT
+      user?: User | undefined
+      account?: Account | undefined
+      profile?: Profile | undefined
+      isNewUser?: boolean | undefined
+    }): Awaitable<JWT> {
+      throw new Error("Function not implemented.")
+    },
+  }
+
+  cookies = {
+    sessionToken: { name: "", options: undefined },
+    callbackUrl: { name: "", options: undefined },
+    csrfToken: { name: "", options: undefined },
+    pkceCodeVerifier: { name: "", options: undefined },
+    state: { name: "", options: {} },
+    nonce: { name: "", options: undefined },
+  }
+
+  options = {
+    url,
+    action: "session",
+    provider,
+    secret: "",
+    debug: false,
+    logger,
+    session: { strategy: "jwt", maxAge: 0, updateAge: 0 },
+    pages: {},
+    jwt,
+    events: {},
+    callbacks,
+    cookies,
+    callbackUrl: "",
+    providers: [],
+    theme: {},
+  }
+})
+
+describe("createState", () => {
+  it("returns a state, and cookie", async () => {
+    const state = await createState(options)
+
+    expect(state?.value).not.toBeNull()
+    expect(state?.cookie).not.toBeNull()
+  })
+  it("does not return a state when the provider does not support state", async () => {
+    options.provider.checks = ["pkce"]
+
+    const state = await createState(options)
+
+    expect(state).toBeUndefined()
+  })
+  it("sets the cookie expiration to a default of 15 minutes when the max age option is not provided", async () => {
+    const state = await createState(options)
+
+    const defaultMaxAge = 60 * 15 // 15 minutes in seconds
+    const expires = new Date()
+    expires.setTime(expires.getTime() + defaultMaxAge * 1000)
+
+    validateCookieExpiration({ state, expires })
+    expect(state?.cookie.options.maxAge).toBeUndefined()
+  })
+
+  it("sets the cookie expiration and max age to the provided max age from the options", async () => {
+    const maxAge = 60 * 20 // 20 minutes
+    cookies.state.options.maxAge = maxAge
+
+    const state = await createState(options)
+
+    const expires = new Date()
+    expires.setTime(expires.getTime() + maxAge * 1000)
+
+    validateCookieExpiration({ state, expires })
+    expect(state?.cookie.options.maxAge).toEqual(maxAge)
+  })
+})
+
+// comparing the parts instead of getTime() because the milliseconds
+// will not match since the two Date objects are created milliseconds apart
+const validateCookieExpiration = ({ state, expires }) => {
+  const cookieExpires = state?.cookie.options.expires
+  expect(cookieExpires.getFullYear()).toEqual(expires.getFullYear())
+  expect(cookieExpires.getMonth()).toEqual(expires.getMonth())
+  expect(cookieExpires.getFullYear()).toEqual(expires.getFullYear())
+  expect(cookieExpires.getHours()).toEqual(expires.getHours())
+  expect(cookieExpires.getMinutes()).toEqual(expires.getMinutes())
+}

packages/next-auth/tests/utils.ts

@@ -0,0 +1,116 @@
+import { createHash } from "crypto"
+import { AuthHandler } from "../src/core"
+import type { LoggerInstance, AuthOptions } from "../src"
+import type { Adapter } from "../src/adapters"
+
+import NextAuth from "../src/next"
+
+import type { NextApiRequest, NextApiResponse } from "next"
+
+export function mockLogger(): Record<keyof LoggerInstance, jest.Mock> {
+  return {
+    error: jest.fn(() => {}),
+    warn: jest.fn(() => {}),
+    debug: jest.fn(() => {}),
+  }
+}
+
+interface HandlerOptions {
+  prod?: boolean
+  path?: string
+  params?: URLSearchParams | Record<string, string>
+  requestInit?: RequestInit
+}
+
+export async function handler(
+  options: AuthOptions,
+  { prod, path, params, requestInit }: HandlerOptions
+) {
+  // @ts-expect-error
+  if (prod) process.env.NODE_ENV = "production"
+
+  const url = new URL(
+    `http://localhost:3000/api/auth/${path ?? "signin"}?${new URLSearchParams(
+      params ?? {}
+    )}`
+  )
+  const req = new Request(url, { headers: { host: "" }, ...requestInit })
+  const logger = mockLogger()
+  const response = await AuthHandler(req, {
+    secret: "secret",
+    ...options,
+    logger,
+  })
+  // @ts-expect-error
+  if (prod) process.env.NODE_ENV = "test"
+
+  return {
+    res: {
+      status: response.status,
+      headers: response.headers,
+      body: response.body,
+      redirect: response.headers.get("location"),
+      html:
+        response.headers?.get("content-type") === "text/html"
+          ? await response.clone().text()
+          : undefined,
+    },
+    log: logger,
+  }
+}
+
+export function createCSRF() {
+  const secret = "secret"
+  const value = "csrf"
+  const token = createHash("sha256").update(`${value}${secret}`).digest("hex")
+
+  return {
+    secret,
+    csrf: { value, token, cookie: `next-auth.csrf-token=${value}|${token}` },
+  }
+}
+
+export function mockAdapter(): Adapter {
+  const adapter: Adapter = {
+    createVerificationToken: jest.fn(() => {}),
+    useVerificationToken: jest.fn(() => {}),
+    getUserByEmail: jest.fn(() => {}),
+  } as unknown as Adapter
+  return adapter
+}
+
+export async function nodeHandler(
+  params: {
+    req?: Partial<NextApiRequest>
+    res?: Partial<NextApiResponse>
+    options?: Partial<AuthOptions>
+  } = {}
+) {
+  const req = {
+    body: {},
+    cookies: {},
+    headers: {},
+    method: "GET",
+    ...params.req,
+  }
+
+  const res = {
+    ...params.res,
+    end: jest.fn(),
+    json: jest.fn(),
+    status: jest.fn().mockReturnValue({ end: jest.fn() }),
+    setHeader: jest.fn(),
+    removeHeader: jest.fn(),
+    send: jest.fn(),
+  }
+
+  const logger = mockLogger()
+
+  await NextAuth(req as any, res as any, {
+    providers: [],
+    secret: "secret",
+    logger,
+    ...params.options,
+  })
+  return { req, res, logger }
+}