diff --git a/.eslintignore b/.eslintignore index 62562b74..76b1021d 100644 --- a/.eslintignore +++ b/.eslintignore @@ -1,2 +1,3 @@ +.nyc_output coverage node_modules diff --git a/.eslintrc.yml b/.eslintrc.yml index e48de5ea..b6b9f62f 100644 --- a/.eslintrc.yml +++ b/.eslintrc.yml @@ -1,7 +1,15 @@ root: true +extends: + - plugin:markdown/recommended +plugins: + - markdown +overrides: + - files: '**/*.md' + processor: 'markdown/markdown' rules: eol-last: error - indent: ["error", 2, { "SwitchCase": 1 }] + eqeqeq: ["error", "always", { "null": "ignore" }] + indent: ["error", 2, { "MemberExpression": "off", "SwitchCase": 1 }] no-mixed-spaces-and-tabs: error no-trailing-spaces: error one-var: ["error", { "initialized": "never" }] diff --git a/.github/dependabot.yml b/.github/dependabot.yml new file mode 100644 index 00000000..7d2c7033 --- /dev/null +++ b/.github/dependabot.yml @@ -0,0 +1,22 @@ +version: 2 +updates: + - package-ecosystem: github-actions + directory: / + schedule: + interval: monthly + groups: + github-actions: + patterns: + - "*" + + - package-ecosystem: npm + directory: / + schedule: + interval: monthly + ignore: + - dependency-name: "*" + update-types: ["version-update:semver-major"] + groups: + npm-dependencies: + patterns: + - "*" diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml new file mode 100644 index 00000000..004c35ed --- /dev/null +++ b/.github/workflows/ci.yml @@ -0,0 +1,264 @@ +name: ci + +on: +- pull_request +- push + +permissions: + contents: read + +jobs: + test: + runs-on: ubuntu-latest + strategy: + matrix: + name: + - Node.js 0.8 + - Node.js 0.10 + - Node.js 0.12 + - io.js 1.x + - io.js 2.x + - io.js 3.x + - Node.js 4.x + - Node.js 5.x + - Node.js 6.x + - Node.js 7.x + - Node.js 8.x + - Node.js 9.x + - Node.js 10.x + - Node.js 11.x + - Node.js 12.x + - Node.js 13.x + - Node.js 14.x + - Node.js 15.x + - Node.js 16.x + - Node.js 17.x + - Node.js 18.x + - Node.js 19.x + - Node.js 20.x + - Node.js 21.x + - Node.js 22.x + - Node.js 23.x + - Node.js 24.x + - Node.js 25.x + + include: + - name: Node.js 0.8 + node-version: "0.8" + npm-i: mocha@2.5.3 supertest@1.1.0 + npm-rm: nyc + + - name: Node.js 0.10 + node-version: "0.10" + npm-i: mocha@2.5.3 nyc@10.3.2 supertest@2.0.0 + + - name: Node.js 0.12 + node-version: "0.12" + npm-i: mocha@2.5.3 nyc@10.3.2 supertest@2.0.0 + + - name: io.js 1.x + node-version: "1.8" + npm-i: mocha@2.5.3 nyc@10.3.2 supertest@2.0.0 + + - name: io.js 2.x + node-version: "2.5" + npm-i: mocha@2.5.3 nyc@10.3.2 supertest@2.0.0 + + - name: io.js 3.x + node-version: "3.3" + npm-i: mocha@2.5.3 nyc@10.3.2 supertest@2.0.0 + + - name: Node.js 4.x + node-version: "4.9" + npm-i: mocha@5.2.0 nyc@11.9.0 supertest@3.4.2 + + - name: Node.js 5.x + node-version: "5.12" + npm-i: mocha@5.2.0 nyc@11.9.0 supertest@3.4.2 + + - name: Node.js 6.x + node-version: "6.17" + npm-i: mocha@6.2.2 nyc@14.1.1 supertest@6.1.6 + + - name: Node.js 7.x + node-version: "7.10" + npm-i: mocha@6.2.2 nyc@14.1.1 supertest@6.1.6 + + - name: Node.js 8.x + node-version: "8.17" + npm-i: mocha@7.2.0 nyc@14.1.1 supertest@6.1.6 + + - name: Node.js 9.x + node-version: "9.11" + npm-i: mocha@7.2.0 nyc@14.1.1 supertest@6.1.6 + + - name: Node.js 10.x + node-version: "10.24" + npm-i: mocha@8.4.0 supertest@6.1.6 + + - name: Node.js 11.x + node-version: "11.15" + npm-i: mocha@8.4.0 supertest@6.1.6 + + - name: Node.js 12.x + node-version: "12.22" + npm-i: mocha@9.2.2 supertest@6.1.6 + + - name: Node.js 13.x + node-version: "13.14" + npm-i: mocha@9.2.2 supertest@6.1.6 + + - name: Node.js 14.x + node-version: "14.21" + + - name: Node.js 15.x + node-version: "15.14" + npm-i: supertest@6.1.6 + + - name: Node.js 16.x + node-version: "16.20" + + - name: Node.js 17.x + node-version: "17.9" + + - name: Node.js 18.x + node-version: "18.19" + + - name: Node.js 19.x + node-version: "19.9" + + - name: Node.js 20.x + node-version: "20" + + - name: Node.js 21.x + node-version: "21" + + - name: Node.js 22.x + node-version: "22" + + - name: Node.js 23.x + node-version: "23" + + - name: Node.js 24.x + node-version: "24" + + - name: Node.js 25.x + node-version: "25" + + steps: + - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0 + + - name: Install Node.js ${{ matrix.node-version }} + shell: bash -eo pipefail -l {0} + run: | + nvm install --default ${{ matrix.node-version }} + if [[ "${{ matrix.node-version }}" == 0.* && "$(cut -d. -f2 <<< "${{ matrix.node-version }}")" -lt 10 ]]; then + nvm install --alias=npm 0.10 + nvm use ${{ matrix.node-version }} + if [[ "$(npm -v)" == 1.1.* ]]; then + nvm exec npm npm install -g npm@1.1 + ln -fs "$(which npm)" "$(dirname "$(nvm which npm)")/npm" + else + sed -i '1s;^.*$;'"$(printf '#!%q' "$(nvm which npm)")"';' "$(readlink -f "$(which npm)")" + fi + npm config set strict-ssl false + fi + dirname "$(nvm which ${{ matrix.node-version }})" >> "$GITHUB_PATH" + + - name: Configure npm + run: | + if [[ "$(npm config get package-lock)" == "true" ]]; then + npm config set package-lock false + else + npm config set shrinkwrap false + fi + + - name: Remove npm module(s) ${{ matrix.npm-rm }} + run: npm rm --silent --save-dev ${{ matrix.npm-rm }} + if: matrix.npm-rm != '' + + - name: Install npm module(s) ${{ matrix.npm-i }} + run: npm install --save-dev ${{ matrix.npm-i }} + if: matrix.npm-i != '' + + - name: Setup Node.js version-specific dependencies + shell: bash + run: | + # eslint for linting + # - remove on Node.js < 12 + if [[ "$(cut -d. -f1 <<< "${{ matrix.node-version }}")" -lt 12 ]]; then + node -pe 'Object.keys(require("./package").devDependencies).join("\n")' | \ + grep -E '^eslint(-|$)' | \ + sort -r | \ + xargs -n1 npm rm --silent --save-dev + fi + + - name: Install Node.js dependencies + run: npm install + + - name: List environment + id: list_env + shell: bash + run: | + echo "node@$(node -v)" + echo "npm@$(npm -v)" + npm -s ls ||: + (npm -s ls --depth=0 ||:) | awk -F'[ @]' 'NR>1 && $2 { print $2 "=" $3 }' >> "$GITHUB_OUTPUT" + + - name: Run tests + shell: bash + run: | + if npm -ps ls nyc | grep -q nyc; then + npm run test-ci + cp coverage/lcov.info "coverage/${{ matrix.node-version }}.lcov" + else + npm test + fi + + - name: Lint code + if: steps.list_env.outputs.eslint != '' + run: npm run lint + + - name: Collect code coverage + if: steps.list_env.outputs.nyc != '' + run: | + if [[ -d ./coverage ]]; then + mv ./coverage "./${{ matrix.node-version }}" + mkdir ./coverage + mv "./${{ matrix.node-version }}" "./coverage/${{ matrix.node-version }}" + fi + + - name: Upload code coverage + uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1 + if: steps.list_env.outputs.nyc != '' + with: + name: coverage-${{ matrix.node-version }} + path: "./coverage/${{ matrix.node-version }}" + retention-days: 1 + + coverage: + permissions: + checks: write # for coverallsapp/github-action to create new checks + contents: read # for actions/checkout to fetch code + needs: test + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0 + + - name: Install lcov + shell: bash + run: sudo apt-get -y install lcov + + - name: Collect coverage reports + uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1 + with: + path: ./coverage + + - name: Merge coverage reports + shell: bash + run: find ./coverage -name lcov.info -exec printf '-a %q\n' {} \; | xargs lcov -o ./coverage/lcov.info + + - name: Upload coverage report + uses: coverallsapp/github-action@5cbfd81b66ca5d10c19b062c04de0199c215fb6e # master + with: + github-token: ${{ secrets.GITHUB_TOKEN }} diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml new file mode 100644 index 00000000..139ec706 --- /dev/null +++ b/.github/workflows/codeql.yml @@ -0,0 +1,66 @@ +# For most projects, this workflow file will not need changing; you simply need +# to commit it to your repository. +# +# You may wish to alter this file to override the set of languages analyzed, +# or to provide custom queries or build logic. +# +# ******** NOTE ******** +# We have attempted to detect the languages in your repository. Please check +# the `language` matrix defined below to confirm you have the correct set of +# supported CodeQL languages. +# +name: "CodeQL" + +on: + push: + branches: ["master"] + pull_request: + # The branches below must be a subset of the branches above + branches: ["master"] + schedule: + - cron: "0 0 * * 1" + +permissions: + contents: read + +jobs: + analyze: + name: Analyze + runs-on: ubuntu-latest + permissions: + actions: read + contents: read + security-events: write + + steps: + - name: Checkout repository + uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0 + + # Initializes the CodeQL tools for scanning. + - name: Initialize CodeQL + uses: github/codeql-action/init@54f647b7e1bb85c95cddabcd46b0c578ec92bc1a # v4.36.3 + with: + languages: javascript + # If you wish to specify custom queries, you can do so here or in a config file. + # By default, queries listed here will override any specified in a config file. + # Prefix the list here with "+" to use these queries and those in the config file. + + # Autobuild attempts to build any compiled languages (C/C++, C#, or Java). + # If this step fails, then you should remove it and run the build manually (see below) + # - name: Autobuild + # uses: github/codeql-action/autobuild@3ab4101902695724f9365a384f86c1074d94e18c # v3.24.7 + + # âšī¸ Command-line programs to run using the OS shell. + # đ See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun + + # If the Autobuild fails above, remove it and uncomment the following three lines. + # modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance. + + # - run: | + # echo "Run, Build Application using script" + # ./location_of_script_within_repo/buildscript.sh + + - name: Perform CodeQL Analysis + uses: github/codeql-action/analyze@54f647b7e1bb85c95cddabcd46b0c578ec92bc1a # v4.36.3 + with: + category: "/language:javascript" \ No newline at end of file diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml new file mode 100644 index 00000000..2bb15b23 --- /dev/null +++ b/.github/workflows/scorecard.yml @@ -0,0 +1,73 @@ +# This workflow uses actions that are not certified by GitHub. They are provided +# by a third-party and are governed by separate terms of service, privacy +# policy, and support documentation. + +name: Scorecard supply-chain security + +on: + # For Branch-Protection check. Only the default branch is supported. See + # https://github.com/ossf/scorecard/blob/main/docs/checks.md#branch-protection + branch_protection_rule: + # To guarantee Maintained check is occasionally updated. See + # https://github.com/ossf/scorecard/blob/main/docs/checks.md#maintained + schedule: + - cron: '16 21 * * 1' + push: + branches: [ "master" ] + +# Declare default permissions as read only. +permissions: read-all + +jobs: + analysis: + name: Scorecard analysis + runs-on: ubuntu-latest + permissions: + # Needed to upload the results to code-scanning dashboard. + security-events: write + # Needed to publish results and get a badge (see publish_results below). + id-token: write + # Uncomment the permissions below if installing in a private repository. + # contents: read + # actions: read + + steps: + - name: "Checkout code" + uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0 + with: + persist-credentials: false + + - name: "Run analysis" + uses: ossf/scorecard-action@4eaacf0543bb3f2c246792bd56e8cdeffafb205a # v2.4.3 + with: + results_file: results.sarif + results_format: sarif + # (Optional) "write" PAT token. Uncomment the `repo_token` line below if: + # - you want to enable the Branch-Protection check on a *public* repository, or + # - you are installing Scorecard on a *private* repository + # To create the PAT, follow the steps in https://github.com/ossf/scorecard-action#authentication-with-pat. + # repo_token: ${{ secrets.SCORECARD_TOKEN }} + + # Public repositories: + # - Publish results to OpenSSF REST API for easy access by consumers + # - Allows the repository to include the Scorecard badge. + # - See https://github.com/ossf/scorecard-action#publishing-results. + # For private repositories: + # - `publish_results` will always be set to `false`, regardless + # of the value entered here. + publish_results: true + + # Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF + # format to the repository Actions tab. + - name: "Upload artifact" + uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1 + with: + name: SARIF file + path: results.sarif + retention-days: 5 + + # Upload the results to GitHub's code scanning dashboard. + - name: "Upload to code-scanning" + uses: github/codeql-action/upload-sarif@54f647b7e1bb85c95cddabcd46b0c578ec92bc1a # v4.36.3 + with: + sarif_file: results.sarif \ No newline at end of file diff --git a/.gitignore b/.gitignore index 84a48637..1b6fef23 100644 --- a/.gitignore +++ b/.gitignore @@ -1,4 +1,7 @@ +.nyc_output coverage node_modules npm-debug.log package-lock.json +/test/fixtures/server.crt +/test/fixtures/server.key diff --git a/.travis.yml b/.travis.yml deleted file mode 100644 index e84788db..00000000 --- a/.travis.yml +++ /dev/null @@ -1,85 +0,0 @@ -language: node_js -node_js: - - "0.8" - - "0.10" - - "0.12" - - "1.8" - - "2.5" - - "3.3" - - "4.9" - - "5.12" - - "6.14" - - "7.10" - - "8.12" - - "9.11" - - "10.13" -sudo: false -cache: - directories: - - node_modules -before_install: - # Configure npm - - | - # Skip updating shrinkwrap / lock - npm config set shrinkwrap false - # Setup Node.js version-specific dependencies - - | - # eslint for linting - # - remove on Node.js < 4 - if [[ "$(cut -d. -f1 <<< "$TRAVIS_NODE_VERSION")" -lt 4 ]]; then - node -pe 'Object.keys(require("./package").devDependencies).join("\n")' | \ - grep -E '^eslint(-|$)' | \ - xargs npm rm --save-dev - fi - - | - # istanbul for coverage - # - remove on Node.js < 0.10 - if [[ "$(cut -d. -f1 <<< "$TRAVIS_NODE_VERSION")" -eq 0 && "$(cut -d. -f2 <<< "$TRAVIS_NODE_VERSION")" -lt 10 ]]; then - npm rm --save-dev istanbul - fi - - | - # mocha for testing - # - use 2.x for Node.js < 0.10 - # - use 3.x for Node.js < 6 - if [[ "$(cut -d. -f1 <<< "$TRAVIS_NODE_VERSION")" -eq 0 && "$(cut -d. -f2 <<< "$TRAVIS_NODE_VERSION")" -lt 10 ]]; then - npm install --save-dev mocha@2.5.3 - elif [[ "$(cut -d. -f1 <<< "$TRAVIS_NODE_VERSION")" -lt 6 ]]; then - npm install --save-dev mocha@3.5.3 - fi - - | - # supertest for http calls - # - use 1.1.0 for Node.js < 0.10 - # - use 2.0.0 for Node.js < 4 - if [[ "$(cut -d. -f1 <<< "$TRAVIS_NODE_VERSION")" -eq 0 && "$(cut -d. -f2 <<< "$TRAVIS_NODE_VERSION")" -lt 10 ]]; then - npm install --save-dev supertest@1.1.0 - elif [[ "$(cut -d. -f1 <<< "$TRAVIS_NODE_VERSION")" -lt 4 ]]; then - npm install --save-dev supertest@2.0.0 - fi - # Update Node.js modules - - | - # Prune & rebuild node_modules - if [[ -d node_modules ]]; then - npm prune - npm rebuild - fi - -script: - - | - # Run test script, depending on istanbul install - if [[ -n "$(npm -ps ls istanbul)" ]]; then - npm run-script test-travis - else - npm test - fi - - | - # Run linting, depending on eslint install - if [[ -n "$(npm -ps ls eslint)" ]]; then - npm run-script lint - fi -after_script: - - | - # Upload coverage to coveralls, if exists - if [[ -f ./coverage/lcov.info ]]; then - npm install --save-dev coveralls@2 - coveralls < ./coverage/lcov.info - fi diff --git a/HISTORY.md b/HISTORY.md index d9ca7e60..251d5fa7 100644 --- a/HISTORY.md +++ b/HISTORY.md @@ -1,6 +1,90 @@ unreleased ========== + * Enforce RFC 6265 section 5.1.4 path matching for the session cookie path + * Fix `secure: 'auto'` and `sameSite: 'auto'` not being resolved when `cookie` is a function + +1.19.0 / 2026-01-22 +========== + + * Add dynamic cookie options support + * Add sameSite 'auto' support for automatic SameSite attribute configuration + * deps: use tilde notation for dependencies + +1.18.2 / 2025-07-17 +========== + * deps: mocha@10.8.2 + * deps: on-headers@~1.1.0 + - Fix [CVE-2025-7339](https://www.cve.org/CVERecord?id=CVE-2025-7339) ([GHSA-76c9-3jph-rj3q](https://github.com/expressjs/on-headers/security/advisories/GHSA-76c9-3jph-rj3q)) + +1.18.1 / 2024-10-08 +========== + + * deps: cookie@0.7.2 + - Fix object assignment of `hasOwnProperty` + * deps: cookie@0.7.1 + - Allow leading dot for domain + - Although not permitted in the spec, some users expect this to work and user agents ignore the leading dot according to spec + - Add fast path for `serialize` without options, use `obj.hasOwnProperty` when parsing + * deps: cookie@0.7.0 + - perf: parse cookies ~10% faster + - fix: narrow the validation of cookies to match RFC6265 + - fix: add `main` to `package.json` for rspack + +1.18.0 / 2024-01-28 +=================== + + * Add debug log for pathname mismatch + * Add `partitioned` to `cookie` options + * Add `priority` to `cookie` options + * Fix handling errors from setting cookie + * Support any type in `secret` that `crypto.createHmac` supports + * deps: cookie@0.6.0 + - Fix `expires` option to reject invalid dates + - perf: improve default decode speed + - perf: remove slow string split in parse + * deps: cookie-signature@1.0.7 + +1.17.3 / 2022-05-11 +=================== + + * Fix resaving already-saved new session at end of request + * deps: cookie@0.4.2 + +1.17.2 / 2021-05-19 +=================== + + * Fix `res.end` patch to always commit headers + * deps: cookie@0.4.1 + * deps: safe-buffer@5.2.1 + +1.17.1 / 2020-04-16 +=================== + + * Fix internal method wrapping error on failed reloads + +1.17.0 / 2019-10-10 +=================== + + * deps: cookie@0.4.0 + - Add `SameSite=None` support + * deps: safe-buffer@5.2.0 + +1.16.2 / 2019-06-12 +=================== + + * Fix restoring `cookie.originalMaxAge` when store returns `Date` + * deps: parseurl@~1.3.3 + +1.16.1 / 2019-04-11 +=================== + + * Fix error passing `data` option to `Cookie` constructor + * Fix uncaught error from bad session data + +1.16.0 / 2019-04-10 +=================== + * Catch invalid `cookie.maxAge` value earlier * Deprecate setting `cookie.maxAge` to a `Date` object * Fix issue where `resave: false` may not save altered sessions @@ -11,6 +95,8 @@ unreleased - Replace internal `eval` usage with `Function` constructor - Use instance methods on `process` to check for listeners - perf: remove argument reassignment + * deps: on-headers@~1.0.2 + - Fix `res.writeHead` patch missing return value 1.15.6 / 2017-09-26 =================== @@ -99,7 +185,7 @@ unreleased - Improve error message when `expires` is not a `Date` - perf: enable strict mode - perf: use for loop in parse - - perf: use string concatination for serialization + - perf: use string concatenation for serialization * deps: parseurl@~1.3.1 - perf: enable strict mode * deps: uid-safe@~2.1.1 diff --git a/README.md b/README.md index 2be21d2c..162ea14d 100644 --- a/README.md +++ b/README.md @@ -2,7 +2,7 @@ [![NPM Version][npm-version-image]][npm-url] [![NPM Downloads][npm-downloads-image]][node-url] -[![Build Status][travis-image]][travis-url] +[![Build Status][ci-image]][ci-url] [![Test Coverage][coveralls-image]][coveralls-url] ## Installation @@ -49,6 +49,26 @@ For a list of stores, see [compatible session stores](#compatible-session-stores Settings object for the session ID cookie. The default value is `{ path: '/', httpOnly: true, secure: false, maxAge: null }`. +In addition to providing a static object, you can also pass a callback function to dynamically generate the cookie options for each request. The callback receives the `req` object as its argument and should return an object containing the cookie settings. + +```js +var app = express() +app.use(session({ + secret: 'keyboard cat', + resave: false, + saveUninitialized: true, + cookie: function(req) { + var match = req.url.match(/^\/([^/]+)/); + return { + path: match ? '/' + match[1] : '/', + httpOnly: true, + secure: req.secure || false, + maxAge: 60000 + } + } +})) +``` + The following are options that can be set in this object. ##### cookie.domain @@ -89,26 +109,73 @@ no maximum age is set. **Note** If both `expires` and `maxAge` are set in the options, then the last one defined in the object is what is used. +##### cookie.partitioned + +Specifies the `boolean` value for the [`Partitioned` `Set-Cookie`](rfc-cutler-httpbis-partitioned-cookies) +attribute. When truthy, the `Partitioned` attribute is set, otherwise it is not. +By default, the `Partitioned` attribute is not set. + +**Note** This is an attribute that has not yet been fully standardized, and may +change in the future. This also means many clients may ignore this attribute until +they understand it. + +More information about can be found in [the proposal](https://github.com/privacycg/CHIPS). + ##### cookie.path Specifies the value for the `Path` `Set-Cookie`. By default, this is set to `'/'`, which is the root path of the domain. +Since 1.19.1, path matching follows [RFC 6265 section 5.1.4][rfc-6265-5.1.4]. This means +the session middleware will only activate when the request path is an exact match or falls +under a segment boundary of the cookie path. For example, a cookie path of `/admin` will +match `/admin` and `/admin/users` but will **not** match `/administrator`. Prior versions +used a simple prefix check that did not enforce segment boundaries. + +##### cookie.priority + +Specifies the `string` to be the value for the [`Priority` `Set-Cookie` attribute][rfc-west-cookie-priority-00-4.1]. + + - `'low'` will set the `Priority` attribute to `Low`. + - `'medium'` will set the `Priority` attribute to `Medium`, the default priority when not set. + - `'high'` will set the `Priority` attribute to `High`. + +More information about the different priority levels can be found in +[the specification][rfc-west-cookie-priority-00-4.1]. + +**Note** This is an attribute that has not yet been fully standardized, and may change in the future. +This also means many clients may ignore this attribute until they understand it. + ##### cookie.sameSite Specifies the `boolean` or `string` to be the value for the `SameSite` `Set-Cookie` attribute. +By default, this is `false`. - `true` will set the `SameSite` attribute to `Strict` for strict same site enforcement. - `false` will not set the `SameSite` attribute. - `'lax'` will set the `SameSite` attribute to `Lax` for lax same site enforcement. + - `'none'` will set the `SameSite` attribute to `None` for an explicit cross-site cookie. - `'strict'` will set the `SameSite` attribute to `Strict` for strict same site enforcement. + - `'auto'` will set the `SameSite` attribute to `None` for secure connections and `Lax` for non-secure connections. -More information about the different enforcement levels can be found in the specification -https://tools.ietf.org/html/draft-west-first-party-cookies-07#section-4.1.1 +More information about the different enforcement levels can be found in +[the specification][rfc-6265bis-03-4.1.2.7]. **Note** This is an attribute that has not yet been fully standardized, and may change in the future. This also means many clients may ignore this attribute until they understand it. +**Note** There is a [draft spec](https://tools.ietf.org/html/draft-west-cookie-incrementalism-01) +that requires that the `Secure` attribute be set to `true` when the `SameSite` attribute has been +set to `'none'`. Some web browsers or other clients may be adopting this specification. + +The `cookie.sameSite` option can also be set to the special value `'auto'` to have +this setting automatically match the determined security of the connection. When the connection +is secure (HTTPS), the `SameSite` attribute will be set to `None` to enable cross-site usage. +When the connection is not secure (HTTP), the `SameSite` attribute will be set to `Lax` for +better security while maintaining functionality. This is useful when the Express `"trust proxy"` +setting is properly setup to simplify development vs production configuration, particularly +for SAML authentication scenarios. + ##### cookie.secure Specifies the `boolean` value for the `Secure` `Set-Cookie` attribute. When truthy, @@ -227,15 +294,24 @@ likely need `resave: true`. ##### rolling -Force a session identifier cookie to be set on every response. The expiration +Force the session identifier cookie to be set on every response. The expiration is reset to the original [`maxAge`](#cookiemaxage), resetting the expiration countdown. The default value is `false`. +With this enabled, the session identifier cookie will expire in +[`maxAge`](#cookiemaxage) since the last response was sent instead of in +[`maxAge`](#cookiemaxage) since the session was last modified by the server. + +This is typically used in conjunction with short, non-session-length +[`maxAge`](#cookiemaxage) values to provide a quick timeout of the session data +with reduced potential of it occurring during on going server interactions. + **Note** When this option is set to `true` but the `saveUninitialized` option is set to `false`, the cookie will not be set on a response with an uninitialized -session. +session. This option only modifies the behavior when an existing session was +loaded for the request. ##### saveUninitialized @@ -259,10 +335,29 @@ it to be saved. *This has been fixed in PassportJS 0.3.0* **Required option** -This is the secret used to sign the session ID cookie. This can be either a string -for a single secret, or an array of multiple secrets. If an array of secrets is -provided, only the first element will be used to sign the session ID cookie, while -all the elements will be considered when verifying the signature in requests. +This is the secret used to sign the session ID cookie. The secret can be any type +of value that is supported by Node.js `crypto.createHmac` (like a string or a +`Buffer`). This can be either a single secret, or an array of multiple secrets. If +an array of secrets is provided, only the first element will be used to sign the +session ID cookie, while all the elements will be considered when verifying the +signature in requests. The secret itself should be not easily parsed by a human and +would best be a random set of characters. A best practice may include: + + - The use of environment variables to store the secret, ensuring the secret itself + does not exist in your repository. + - Periodic updates of the secret, while ensuring the previous secret is in the + array. + +Using a secret that cannot be guessed will reduce the ability to hijack a session to +only guessing the session ID (as determined by the `genid` option). + +Changing the secret value will invalidate all existing sessions. In order to rotate +the secret without invalidating sessions, provide an array of secrets, with the new +secret as first element of the array, and including previous secrets as the later +elements. + +**Note** HMAC-256 is used to sign the session ID. For this reason, the secret should +contain at least 32 bytes of entropy. ##### store @@ -494,6 +589,11 @@ module. Please make a PR to add additional modules :) [aerospike-session-store-url]: https://www.npmjs.com/package/aerospike-session-store [aerospike-session-store-image]: https://badgen.net/github/stars/aerospike/aerospike-session-store-expressjs?label=%E2%98%85 +[![â ][better-sqlite3-session-store-image] better-sqlite3-session-store][better-sqlite3-session-store-url] A session store based on [better-sqlite3](https://github.com/JoshuaWise/better-sqlite3). + +[better-sqlite3-session-store-url]: https://www.npmjs.com/package/better-sqlite3-session-store +[better-sqlite3-session-store-image]: https://badgen.net/github/stars/timdaub/better-sqlite3-session-store?label=%E2%98%85 + [![â ][cassandra-store-image] cassandra-store][cassandra-store-url] An Apache Cassandra-based session store. [cassandra-store-url]: https://www.npmjs.com/package/cassandra-store @@ -506,6 +606,11 @@ and other multi-core embedded devices). [cluster-store-url]: https://www.npmjs.com/package/cluster-store [cluster-store-image]: https://badgen.net/github/stars/coolaj86/cluster-store?label=%E2%98%85 +[![â ][connect-arango-image] connect-arango][connect-arango-url] An ArangoDB-based session store. + +[connect-arango-url]: https://www.npmjs.com/package/connect-arango +[connect-arango-image]: https://badgen.net/github/stars/AlexanderArvidsson/connect-arango?label=%E2%98%85 + [![â ][connect-azuretables-image] connect-azuretables][connect-azuretables-url] An [Azure Table Storage](https://azure.microsoft.com/en-gb/services/storage/tables/)-based session store. [connect-azuretables-url]: https://www.npmjs.com/package/connect-azuretables @@ -516,6 +621,11 @@ and other multi-core embedded devices). [connect-cloudant-store-url]: https://www.npmjs.com/package/connect-cloudant-store [connect-cloudant-store-image]: https://badgen.net/github/stars/adriantanasa/connect-cloudant-store?label=%E2%98%85 +[![â ][connect-cosmosdb-image] connect-cosmosdb][connect-cosmosdb-url] An Azure [Cosmos DB](https://azure.microsoft.com/en-us/products/cosmos-db/)-based session store. + +[connect-cosmosdb-url]: https://www.npmjs.com/package/connect-cosmosdb +[connect-cosmosdb-image]: https://badgen.net/github/stars/thekillingspree/connect-cosmosdb?label=%E2%98%85 + [![â ][connect-couchbase-image] connect-couchbase][connect-couchbase-url] A [couchbase](http://www.couchbase.com/)-based session store. [connect-couchbase-url]: https://www.npmjs.com/package/connect-couchbase @@ -538,24 +648,45 @@ and other multi-core embedded devices). [![â ][connect-dynamodb-image] connect-dynamodb][connect-dynamodb-url] A DynamoDB-based session store. -[connect-dynamodb-url]: https://github.com/ca98am79/connect-dynamodb +[connect-dynamodb-url]: https://www.npmjs.com/package/connect-dynamodb [connect-dynamodb-image]: https://badgen.net/github/stars/ca98am79/connect-dynamodb?label=%E2%98%85 +[![â ][@google-cloud/connect-firestore-image] @google-cloud/connect-firestore][@google-cloud/connect-firestore-url] A [Google Cloud Firestore](https://cloud.google.com/firestore/docs/overview)-based session store. + +[@google-cloud/connect-firestore-url]: https://www.npmjs.com/package/@google-cloud/connect-firestore +[@google-cloud/connect-firestore-image]: https://badgen.net/github/stars/googleapis/nodejs-firestore-session?label=%E2%98%85 + +[![â ][connect-hazelcast-image] connect-hazelcast][connect-hazelcast-url] Hazelcast session store for Connect and Express. + +[connect-hazelcast-url]: https://www.npmjs.com/package/connect-hazelcast +[connect-hazelcast-image]: https://badgen.net/github/stars/huseyinbabal/connect-hazelcast?label=%E2%98%85 + [![â ][connect-loki-image] connect-loki][connect-loki-url] A Loki.js-based session store. [connect-loki-url]: https://www.npmjs.com/package/connect-loki [connect-loki-image]: https://badgen.net/github/stars/Requarks/connect-loki?label=%E2%98%85 +[![â ][connect-lowdb-image] connect-lowdb][connect-lowdb-url] A lowdb-based session store. + +[connect-lowdb-url]: https://www.npmjs.com/package/connect-lowdb +[connect-lowdb-image]: https://badgen.net/github/stars/travishorn/connect-lowdb?label=%E2%98%85 + +[![â ][connect-memcached-image] connect-memcached][connect-memcached-url] A memcached-based session store. + +[connect-memcached-url]: https://www.npmjs.com/package/connect-memcached +[connect-memcached-image]: https://badgen.net/github/stars/balor/connect-memcached?label=%E2%98%85 + +[![â ][connect-memjs-image] connect-memjs][connect-memjs-url] A memcached-based session store using +[memjs](https://www.npmjs.com/package/memjs) as the memcached client. + +[connect-memjs-url]: https://www.npmjs.com/package/connect-memjs +[connect-memjs-image]: https://badgen.net/github/stars/liamdon/connect-memjs?label=%E2%98%85 + [![â ][connect-ml-image] connect-ml][connect-ml-url] A MarkLogic Server-based session store. [connect-ml-url]: https://www.npmjs.com/package/connect-ml [connect-ml-image]: https://badgen.net/github/stars/bluetorch/connect-ml?label=%E2%98%85 -[![â ][connect-mssql-image] connect-mssql][connect-mssql-url] A SQL Server-based session store. - -[connect-mssql-url]: https://www.npmjs.com/package/connect-mssql -[connect-mssql-image]: https://badgen.net/github/stars/patriksimek/connect-mssql?label=%E2%98%85 - [![â ][connect-monetdb-image] connect-monetdb][connect-monetdb-url] A MonetDB-based session store. [connect-monetdb-url]: https://www.npmjs.com/package/connect-monetdb @@ -571,6 +702,21 @@ and other multi-core embedded devices). [connect-mongodb-session-url]: https://www.npmjs.com/package/connect-mongodb-session [connect-mongodb-session-image]: https://badgen.net/github/stars/mongodb-js/connect-mongodb-session?label=%E2%98%85 +[![â ][connect-mssql-v2-image] connect-mssql-v2][connect-mssql-v2-url] A Microsoft SQL Server-based session store based on [connect-mssql](https://www.npmjs.com/package/connect-mssql). + +[connect-mssql-v2-url]: https://www.npmjs.com/package/connect-mssql-v2 +[connect-mssql-v2-image]: https://badgen.net/github/stars/jluboff/connect-mssql-v2?label=%E2%98%85 + +[![â ][connect-neo4j-image] connect-neo4j][connect-neo4j-url] A [Neo4j](https://neo4j.com)-based session store. + +[connect-neo4j-url]: https://www.npmjs.com/package/connect-neo4j +[connect-neo4j-image]: https://badgen.net/github/stars/MaxAndersson/connect-neo4j?label=%E2%98%85 + +[![â ][connect-ottoman-image] connect-ottoman][connect-ottoman-url] A [couchbase ottoman](http://www.couchbase.com/)-based session store. + +[connect-ottoman-url]: https://www.npmjs.com/package/connect-ottoman +[connect-ottoman-image]: https://badgen.net/github/stars/noiissyboy/connect-ottoman?label=%E2%98%85 + [![â ][connect-pg-simple-image] connect-pg-simple][connect-pg-simple-url] A PostgreSQL-based session store. [connect-pg-simple-url]: https://www.npmjs.com/package/connect-pg-simple @@ -581,17 +727,6 @@ and other multi-core embedded devices). [connect-redis-url]: https://www.npmjs.com/package/connect-redis [connect-redis-image]: https://badgen.net/github/stars/tj/connect-redis?label=%E2%98%85 -[![â ][connect-memcached-image] connect-memcached][connect-memcached-url] A memcached-based session store. - -[connect-memcached-url]: https://www.npmjs.com/package/connect-memcached -[connect-memcached-image]: https://badgen.net/github/stars/balor/connect-memcached?label=%E2%98%85 - -[![â ][connect-memjs-image] connect-memjs][connect-memjs-url] A memcached-based session store using -[memjs](https://www.npmjs.com/package/memjs) as the memcached client. - -[connect-memjs-url]: https://www.npmjs.com/package/connect-memjs -[connect-memjs-image]: https://badgen.net/github/stars/liamdon/connect-memjs?label=%E2%98%85 - [![â ][connect-session-firebase-image] connect-session-firebase][connect-session-firebase-url] A session store based on the [Firebase Realtime Database](https://firebase.google.com/docs/database/) [connect-session-firebase-url]: https://www.npmjs.com/package/connect-session-firebase @@ -604,11 +739,21 @@ and other multi-core embedded devices). [connect-session-knex-image]: https://badgen.net/github/stars/llambda/connect-session-knex?label=%E2%98%85 [![â ][connect-session-sequelize-image] connect-session-sequelize][connect-session-sequelize-url] A session store using -[Sequelize.js](http://sequelizejs.com/), which is a Node.js / io.js ORM for PostgreSQL, MySQL, SQLite and MSSQL. +[Sequelize.js](https://sequelize.org/), which is a Node.js / io.js ORM for PostgreSQL, MySQL, SQLite and MSSQL. [connect-session-sequelize-url]: https://www.npmjs.com/package/connect-session-sequelize [connect-session-sequelize-image]: https://badgen.net/github/stars/mweibel/connect-session-sequelize?label=%E2%98%85 +[![â ][connect-sqlite3-image] connect-sqlite3][connect-sqlite3-url] A [SQLite3](https://github.com/mapbox/node-sqlite3) session store modeled after the TJ's `connect-redis` store. + +[connect-sqlite3-url]: https://www.npmjs.com/package/connect-sqlite3 +[connect-sqlite3-image]: https://badgen.net/github/stars/rawberg/connect-sqlite3?label=%E2%98%85 + +[![â ][connect-typeorm-image] connect-typeorm][connect-typeorm-url] A [TypeORM](https://github.com/typeorm/typeorm)-based session store. + +[connect-typeorm-url]: https://www.npmjs.com/package/connect-typeorm +[connect-typeorm-image]: https://badgen.net/github/stars/makepost/connect-typeorm?label=%E2%98%85 + [![â ][couchdb-expression-image] couchdb-expression][couchdb-expression-url] A [CouchDB](https://couchdb.apache.org/)-based session store. [couchdb-expression-url]: https://www.npmjs.com/package/couchdb-expression @@ -619,38 +764,28 @@ and other multi-core embedded devices). [dynamodb-store-url]: https://www.npmjs.com/package/dynamodb-store [dynamodb-store-image]: https://badgen.net/github/stars/rafaelrpinto/dynamodb-store?label=%E2%98%85 +[![â ][express-etcd-image] express-etcd][express-etcd-url] An [etcd](https://github.com/stianeikeland/node-etcd) based session store. + +[express-etcd-url]: https://www.npmjs.com/package/express-etcd +[express-etcd-image]: https://badgen.net/github/stars/gildean/express-etcd?label=%E2%98%85 + [![â ][express-mysql-session-image] express-mysql-session][express-mysql-session-url] A session store using native [MySQL](https://www.mysql.com/) via the [node-mysql](https://github.com/felixge/node-mysql) module. [express-mysql-session-url]: https://www.npmjs.com/package/express-mysql-session [express-mysql-session-image]: https://badgen.net/github/stars/chill117/express-mysql-session?label=%E2%98%85 +[![â ][express-nedb-session-image] express-nedb-session][express-nedb-session-url] A NeDB-based session store. + +[express-nedb-session-url]: https://www.npmjs.com/package/express-nedb-session +[express-nedb-session-image]: https://badgen.net/github/stars/louischatriot/express-nedb-session?label=%E2%98%85 + [![â ][express-oracle-session-image] express-oracle-session][express-oracle-session-url] A session store using native [oracle](https://www.oracle.com/) via the [node-oracledb](https://www.npmjs.com/package/oracledb) module. [express-oracle-session-url]: https://www.npmjs.com/package/express-oracle-session [express-oracle-session-image]: https://badgen.net/github/stars/slumber86/express-oracle-session?label=%E2%98%85 -[![â ][express-sessions-image] express-sessions][express-sessions-url]: A session store supporting both MongoDB and Redis. - -[express-sessions-url]: https://www.npmjs.com/package/express-sessions -[express-sessions-image]: https://badgen.net/github/stars/konteck/express-sessions?label=%E2%98%85 - -[![â ][connect-sqlite3-image] connect-sqlite3][connect-sqlite3-url] A [SQLite3](https://github.com/mapbox/node-sqlite3) session store modeled after the TJ's `connect-redis` store. - -[connect-sqlite3-url]: https://www.npmjs.com/package/connect-sqlite3 -[connect-sqlite3-image]: https://badgen.net/github/stars/rawberg/connect-sqlite3?label=%E2%98%85 - -[![â ][documentdb-session-image] documentdb-session][documentdb-session-url] A session store for Microsoft Azure's [DocumentDB](https://azure.microsoft.com/en-us/services/documentdb/) NoSQL database service. - -[documentdb-session-url]: https://www.npmjs.com/package/documentdb-session -[documentdb-session-image]: https://badgen.net/github/stars/dwhieb/documentdb-session?label=%E2%98%85 - -[![â ][express-nedb-session-image] express-nedb-session][express-nedb-session-url] A NeDB-based session store. - -[express-nedb-session-url]: https://www.npmjs.com/package/express-nedb-session -[express-nedb-session-image]: https://badgen.net/github/stars/louischatriot/express-nedb-session?label=%E2%98%85 - [![â ][express-session-cache-manager-image] express-session-cache-manager][express-session-cache-manager-url] A store that implements [cache-manager](https://www.npmjs.com/package/cache-manager), which supports a [variety of storage types](https://www.npmjs.com/package/cache-manager#store-engines). @@ -658,24 +793,29 @@ a [variety of storage types](https://www.npmjs.com/package/cache-manager#store-e [express-session-cache-manager-url]: https://www.npmjs.com/package/express-session-cache-manager [express-session-cache-manager-image]: https://badgen.net/github/stars/theogravity/express-session-cache-manager?label=%E2%98%85 +[![â ][express-session-etcd3-image] express-session-etcd3][express-session-etcd3-url] An [etcd3](https://github.com/mixer/etcd3) based session store. + +[express-session-etcd3-url]: https://www.npmjs.com/package/express-session-etcd3 +[express-session-etcd3-image]: https://badgen.net/github/stars/willgm/express-session-etcd3?label=%E2%98%85 + [![â ][express-session-level-image] express-session-level][express-session-level-url] A [LevelDB](https://github.com/Level/levelup) based session store. [express-session-level-url]: https://www.npmjs.com/package/express-session-level [express-session-level-image]: https://badgen.net/github/stars/tgohn/express-session-level?label=%E2%98%85 -[![â ][express-etcd-image] express-etcd][express-etcd-url] An [etcd](https://github.com/stianeikeland/node-etcd) based session store. +[![â ][express-session-rsdb-image] express-session-rsdb][express-session-rsdb-url] Session store based on Rocket-Store: A very simple, super fast and yet powerful, flat file database. -[express-etcd-url]: https://www.npmjs.com/package/express-etcd -[express-etcd-image]: https://badgen.net/github/stars/gildean/express-etcd?label=%E2%98%85 +[express-session-rsdb-url]: https://www.npmjs.com/package/express-session-rsdb +[express-session-rsdb-image]: https://badgen.net/github/stars/paragi/express-session-rsdb?label=%E2%98%85 -[![â ][express-session-etcd3-image] express-session-etcd3][express-session-etcd3-url] An [etcd3](https://github.com/mixer/etcd3) based session store. +[![â ][express-sessions-image] express-sessions][express-sessions-url] A session store supporting both MongoDB and Redis. -[express-session-etcd3-url]: https://www.npmjs.com/package/express-session-etcd3 -[express-session-etcd3-image]: https://badgen.net/github/stars/willgm/express-session-etcd3?label=%E2%98%85 +[express-sessions-url]: https://www.npmjs.com/package/express-sessions +[express-sessions-image]: https://badgen.net/github/stars/konteck/express-sessions?label=%E2%98%85 [![â ][firestore-store-image] firestore-store][firestore-store-url] A [Firestore](https://github.com/hendrysadrak/firestore-store)-based session store. -[firestore-store-url]: https://github.com/hendrysadrak/firestore-store +[firestore-store-url]: https://www.npmjs.com/package/firestore-store [firestore-store-image]: https://badgen.net/github/stars/hendrysadrak/firestore-store?label=%E2%98%85 [![â ][fortune-session-image] fortune-session][fortune-session-url] A [Fortune.js](https://github.com/fortunejs/fortune) @@ -692,7 +832,12 @@ based session store. Supports all backends supported by Fortune (MongoDB, Redis, [![â ][level-session-store-image] level-session-store][level-session-store-url] A LevelDB-based session store. [level-session-store-url]: https://www.npmjs.com/package/level-session-store -[level-session-store-image]: https://badgen.net/github/stars/scriptollc/level-session-store?label=%E2%98%85 +[level-session-store-image]: https://badgen.net/github/stars/toddself/level-session-store?label=%E2%98%85 + +[![â ][lowdb-session-store-image] lowdb-session-store][lowdb-session-store-url] A [lowdb](https://www.npmjs.com/package/lowdb)-based session store. + +[lowdb-session-store-url]: https://www.npmjs.com/package/lowdb-session-store +[lowdb-session-store-image]: https://badgen.net/github/stars/fhellwig/lowdb-session-store?label=%E2%98%85 [![â ][medea-session-store-image] medea-session-store][medea-session-store-url] A Medea-based session store. @@ -714,12 +859,17 @@ based session store. Supports all backends supported by Fortune (MongoDB, Redis, [nedb-session-store-url]: https://www.npmjs.com/package/nedb-session-store [nedb-session-store-image]: https://badgen.net/github/stars/JamesMGreene/nedb-session-store?label=%E2%98%85 +[![â ][@quixo3/prisma-session-store-image] @quixo3/prisma-session-store][@quixo3/prisma-session-store-url] A session store for the [Prisma Framework](https://www.prisma.io). + +[@quixo3/prisma-session-store-url]: https://www.npmjs.com/package/@quixo3/prisma-session-store +[@quixo3/prisma-session-store-image]: https://badgen.net/github/stars/kleydon/prisma-session-store?label=%E2%98%85 + [![â ][restsession-image] restsession][restsession-url] Store sessions utilizing a RESTful API [restsession-url]: https://www.npmjs.com/package/restsession [restsession-image]: https://badgen.net/github/stars/jankal/restsession?label=%E2%98%85 -[![â ][sequelstore-connect-image] sequelstore-connect][sequelstore-connect-url] A session store using [Sequelize.js](http://sequelizejs.com/). +[![â ][sequelstore-connect-image] sequelstore-connect][sequelstore-connect-url] A session store using [Sequelize.js](https://sequelize.org/). [sequelstore-connect-url]: https://www.npmjs.com/package/sequelstore-connect [sequelstore-connect-image]: https://badgen.net/github/stars/MattMcFarland/sequelstore-connect?label=%E2%98%85 @@ -734,10 +884,10 @@ based session store. Supports all backends supported by Fortune (MongoDB, Redis, [session-pouchdb-store-url]: https://www.npmjs.com/package/session-pouchdb-store [session-pouchdb-store-image]: https://badgen.net/github/stars/solzimer/session-pouchdb-store?label=%E2%98%85 -[![â ][session-rethinkdb-image] session-rethinkdb][session-rethinkdb-url] A [RethinkDB](http://rethinkdb.com/)-based session store. +[![â ][@databunker/session-store-image] @databunker/session-store][@databunker/session-store-url] A [Databunker](https://databunker.org/)-based encrypted session store. -[session-rethinkdb-url]: https://www.npmjs.com/package/session-rethinkdb -[session-rethinkdb-image]: https://badgen.net/github/stars/llambda/session-rethinkdb?label=%E2%98%85 +[@databunker/session-store-url]: https://www.npmjs.com/package/@databunker/session-store +[@databunker/session-store-image]: https://badgen.net/github/stars/securitybunker/databunker-session-store?label=%E2%98%85 [![â ][sessionstore-image] sessionstore][sessionstore-url] A session store that works with various databases. @@ -749,7 +899,9 @@ based session store. Supports all backends supported by Fortune (MongoDB, Redis, [tch-nedb-session-url]: https://www.npmjs.com/package/tch-nedb-session [tch-nedb-session-image]: https://badgen.net/github/stars/tomaschyly/NeDBSession?label=%E2%98%85 -## Example +## Examples + +### View counter A simple example using `express-session` to store page views for a user. @@ -787,17 +939,120 @@ app.get('/foo', function (req, res, next) { app.get('/bar', function (req, res, next) { res.send('you viewed this page ' + req.session.views['/bar'] + ' times') }) + +app.listen(3000) +``` + +### User login + +A simple example using `express-session` to keep a user log in session. + +```js +var escapeHtml = require('escape-html') +var express = require('express') +var session = require('express-session') + +var app = express() + +app.use(session({ + secret: 'keyboard cat', + resave: false, + saveUninitialized: true +})) + +// middleware to test if authenticated +function isAuthenticated (req, res, next) { + if (req.session.user) next() + else next('route') +} + +app.get('/', isAuthenticated, function (req, res) { + // this is only called when there is an authentication user due to isAuthenticated + res.send('hello, ' + escapeHtml(req.session.user) + '!' + + ' Logout') +}) + +app.get('/', function (req, res) { + res.send('
') +}) + +app.post('/login', express.urlencoded({ extended: false }), function (req, res) { + // login logic to validate req.body.user and req.body.pass + // would be implemented here. for this example any combo works + + // regenerate the session, which is good practice to help + // guard against forms of session fixation + req.session.regenerate(function (err) { + if (err) next(err) + + // store user information in session, typically a user id + req.session.user = req.body.user + + // save the session before redirection to ensure page + // load does not happen before session is saved + req.session.save(function (err) { + if (err) return next(err) + res.redirect('/') + }) + }) +}) + +app.get('/logout', function (req, res, next) { + // logout logic + + // clear the user from the session object and save. + // this will ensure that re-using the old session id + // does not have a logged in user + req.session.user = null + req.session.save(function (err) { + if (err) next(err) + + // regenerate the session, which is good practice to help + // guard against forms of session fixation + req.session.regenerate(function (err) { + if (err) next(err) + res.redirect('/') + }) + }) +}) + +app.listen(3000) +``` + +## Debugging + +This module uses the [debug](https://www.npmjs.com/package/debug) module +internally to log information about session operations. + +To see all the internal logs, set the `DEBUG` environment variable to +`express-session` when launching your app (`npm start`, in this example): + +```sh +$ DEBUG=express-session npm start +``` + +On Windows, use the corresponding command; + +```sh +> set DEBUG=express-session & npm start ``` ## License [MIT](LICENSE) +[rfc-6265-5.1.4]: https://datatracker.ietf.org/doc/html/rfc6265#section-5.1.4 +[rfc-6265bis-03-4.1.2.7]: https://tools.ietf.org/html/draft-ietf-httpbis-rfc6265bis-03#section-4.1.2.7 +[rfc-cutler-httpbis-partitioned-cookies]: https://tools.ietf.org/html/draft-cutler-httpbis-partitioned-cookies/ +[rfc-west-cookie-priority-00-4.1]: https://tools.ietf.org/html/draft-west-cookie-priority-00#section-4.1 +[ci-image]: https://badgen.net/github/checks/expressjs/session/master?label=ci +[ci-url]: https://github.com/expressjs/session/actions?query=workflow%3Aci [coveralls-image]: https://badgen.net/coveralls/c/github/expressjs/session/master [coveralls-url]: https://coveralls.io/r/expressjs/session?branch=master [node-url]: https://nodejs.org/en/download [npm-downloads-image]: https://badgen.net/npm/dm/express-session [npm-url]: https://npmjs.org/package/express-session [npm-version-image]: https://badgen.net/npm/v/express-session -[travis-image]: https://badgen.net/travis/expressjs/session/master -[travis-url]: https://travis-ci.org/expressjs/session diff --git a/index.js b/index.js index 42639913..3e23e901 100644 --- a/index.js +++ b/index.js @@ -70,7 +70,7 @@ var defer = typeof setImmediate === 'function' * Setup session store with the given `options`. * * @param {Object} [options] - * @param {Object} [options.cookie] Options for cookie + * @param {Object|Function} [options.cookie] Options for cookie * @param {Function} [options.genid] * @param {String} [options.name=connect.sid] Session ID cookie name * @param {Boolean} [options.proxy] @@ -150,7 +150,7 @@ function session(options) { // notify user that this store is not // meant for a production environment /* istanbul ignore next: not tested */ - if ('production' == env && store instanceof MemoryStore) { + if (env === 'production' && store instanceof MemoryStore) { console.warn(warning); } @@ -158,10 +158,17 @@ function session(options) { store.generate = function(req){ req.sessionID = generateId(req); req.session = new Session(req); - req.session.cookie = new Cookie(cookieOptions); + var resolvedCookieOptions = typeof cookieOptions === 'function' ? cookieOptions(req) : cookieOptions; + req.session.cookie = new Cookie(resolvedCookieOptions); - if (cookieOptions.secure === 'auto') { - req.session.cookie.secure = issecure(req, trustProxy); + var isSecure = issecure(req, trustProxy); + + if (resolvedCookieOptions.secure === 'auto') { + req.session.cookie.secure = isSecure; + } + + if (resolvedCookieOptions.sameSite === 'auto') { + req.session.cookie.sameSite = isSecure ? 'none' : 'lax'; } }; @@ -193,7 +200,15 @@ function session(options) { // pathname mismatch var originalPath = parseUrl.original(req).pathname || '/' - if (originalPath.indexOf(cookieOptions.path || '/') !== 0) return next(); + var resolvedCookieOptions = typeof cookieOptions === 'function' ? cookieOptions(req) : cookieOptions + var cfgPath = resolvedCookieOptions.path || '/' + + if (!rfcPathMatch(originalPath, cfgPath)) { + debug('pathname mismatch') + next() + return + } + // ensure a secret is available or bail if (!secret && !req.secret) { @@ -240,7 +255,11 @@ function session(options) { } // set cookie - setcookie(res, name, req.sessionID, secrets[0], req.session.cookie.data); + try { + setcookie(res, name, req.sessionID, secrets[0], req.session.cookie.data) + } catch (err) { + defer(next, err) + } }); // proxy end() to commit the session @@ -272,6 +291,10 @@ function session(options) { return ret; } + if (!res._header) { + res._implicitHeader() + } + if (chunk == null) { ret = true; return ret; @@ -363,6 +386,29 @@ function session(options) { wrapmethods(req.session); } + // inflate the session + function inflate (req, sess) { + store.createSession(req, sess) + originalId = req.sessionID + originalHash = hash(sess) + + if (!resaveSession) { + savedHash = originalHash + } + + wrapmethods(req.session) + } + + function rewrapmethods (sess, callback) { + return function () { + if (req.session !== sess) { + wrapmethods(req.session) + } + + callback.apply(this, arguments) + } + } + // wrap session methods function wrapmethods(sess) { var _reload = sess.reload @@ -370,10 +416,7 @@ function session(options) { function reload(callback) { debug('reloading %s', this.id) - _reload.call(this, function () { - wrapmethods(req.session) - callback.apply(this, arguments) - }) + _reload.call(this, rewrapmethods(this, callback)) } function save() { @@ -420,7 +463,7 @@ function session(options) { return false; } - return !saveUninitializedSession && cookieId !== req.sessionID + return !saveUninitializedSession && !savedHash && cookieId !== req.sessionID ? isModified(req.session) : !isSaved(req.session) } @@ -443,7 +486,7 @@ function session(options) { return false; } - return cookieId != req.sessionID + return cookieId !== req.sessionID ? saveUninitializedSession || isModified(req.session) : rollingSessions || req.session.cookie.expires != null && isModified(req.session); } @@ -460,38 +503,66 @@ function session(options) { debug('fetching %s', req.sessionID); store.get(req.sessionID, function(err, sess){ // error handling - if (err) { + if (err && err.code !== 'ENOENT') { debug('error %j', err); + next(err) + return + } - if (err.code !== 'ENOENT') { - next(err); - return; - } - - generate(); - // no session - } else if (!sess) { - debug('no session found'); - generate(); - // populate req.session - } else { - debug('session found'); - store.createSession(req, sess); - originalId = req.sessionID; - originalHash = hash(sess); - - if (!resaveSession) { - savedHash = originalHash + try { + if (err || !sess) { + debug('no session found') + generate() + } else { + debug('session found') + inflate(req, sess) } - - wrapmethods(req.session); + } catch (e) { + next(e) + return } - next(); + next() }); }; }; +/** + * Check if the cookiePath matches the requestPath following the + * rules in RFC 6265 section 5.1.4. + * + * @param {String} requestPath + * @param {String} cookiePath + * @return {Boolean} + * @private + */ + +function rfcPathMatch(requestPath, cookiePath) { + // Normalize inputs (Node 0.8-safe) + requestPath = (typeof requestPath === 'string' && requestPath.length) ? requestPath : '/'; + cookiePath = (typeof cookiePath === 'string' && cookiePath.length) ? cookiePath : '/'; + + // Root cookie matches everything + if (cookiePath === '/') return true; + + // Exact match + if (requestPath === cookiePath) return true; + + // Prefix match + if (requestPath.indexOf(cookiePath) === 0) { + // If cookiePath ends with '/', any longer requestPath is OK + if (cookiePath.charAt(cookiePath.length - 1) === '/') return true; + + // Otherwise the next char after the prefix must be '/' + var nextChar = requestPath.length > cookiePath.length + ? requestPath.charAt(cookiePath.length) + : ''; + return nextChar === '/'; + } + + return false; +} + /** * Generate a session ID for a new session. * @@ -499,7 +570,7 @@ function session(options) { * @private */ -function generateSessionId(sess) { +function generateSessionId() { return uid(24); } @@ -522,7 +593,7 @@ function getcookie(req, name, secrets) { raw = cookies[name]; if (raw) { - if (raw.substr(0, 2) === 's:') { + if (raw.slice(0, 2) === 's:') { val = unsigncookie(raw.slice(2), secrets); if (val === false) { @@ -549,7 +620,7 @@ function getcookie(req, name, secrets) { raw = req.cookies[name]; if (raw) { - if (raw.substr(0, 2) === 's:') { + if (raw.slice(0, 2) === 's:') { val = unsigncookie(raw.slice(2), secrets); if (val) { @@ -606,7 +677,8 @@ function hash(sess) { function issecure(req, trustProxy) { // socket is https server - if (req.connection && req.connection.encrypted) { + var socket = req.socket || req.connection; + if (socket && socket.encrypted) { return true; } @@ -624,7 +696,7 @@ function issecure(req, trustProxy) { var header = req.headers['x-forwarded-proto'] || ''; var index = header.indexOf(','); var proto = index !== -1 - ? header.substr(0, index).toLowerCase().trim() + ? header.slice(0, index).toLowerCase().trim() : header.toLowerCase().trim() return proto === 'https'; diff --git a/package.json b/package.json index 03d016eb..36387796 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "express-session", - "version": "1.15.6", + "version": "1.19.0", "description": "Simple session middleware for Express", "author": "TJ Holowaychuk