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config: Add a flag to control the /metrics and /status endpoints
It can be a security concern in some environments to expose system capabilities even though they don't expose any PII. Add some flags (defaulted `true` to maintain existing behaviour) to control whether the /metrics and /status (and anything in the StatusRouter) are exposed. Signed-off-by: Stéphane Maniaci <stephane.maniaci@beta.gouv.fr>
This commit is contained in:
Stéphane Maniaci
Philip Molares
parent
e5a8a3b041
commit
d10ead4c6c
5 changed files with 48 additions and 21 deletions
18
app.js
18
app.js
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@ -75,8 +75,10 @@ app.use(morgan('combined', {
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}))
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}))
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// Register prometheus metrics endpoint
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// Register prometheus metrics endpoint
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app.use(apiMetrics())
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if (config.observability.exposeMetrics) {
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metrics.setupCustomPrometheusMetrics()
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app.use(apiMetrics())
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metrics.setupCustomPrometheusMetrics()
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}
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// socket io
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// socket io
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const io = require('socket.io')(server, { cookie: false })
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const io = require('socket.io')(server, { cookie: false })
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@ -226,7 +228,17 @@ app.locals.enableGitHubGist = config.isGitHubEnable
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app.locals.enableGitlabSnippets = config.isGitlabSnippetsEnable
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app.locals.enableGitlabSnippets = config.isGitlabSnippetsEnable
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app.use(require('./lib/web/baseRouter'))
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app.use(require('./lib/web/baseRouter'))
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app.use(require('./lib/web/statusRouter'))
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if (config.observability.exposeStatus) {
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app.use(require('./lib/web/statusRouter'))
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} else {
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// the `/status` route is used by the hedgedoc container's
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// healtcheck route so keep the endpoint alive
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app.get('/status', function (req, res, next) {
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res.sendStatus(200)
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})
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}
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app.use(require('./lib/web/auth'))
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app.use(require('./lib/web/auth'))
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app.use(require('./lib/web/historyRouter'))
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app.use(require('./lib/web/historyRouter'))
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app.use(require('./lib/web/userRouter'))
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app.use(require('./lib/web/userRouter'))
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@ -76,24 +76,28 @@ these are rarely used for various reasons.
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## Web security aspects
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## Web security aspects
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| config file | environment | **default** and example value | description |
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| config file | environment | **default** and example value | description |
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| ----------------------------- | ------------------------------ | ------------------------------------------------------------------------------------------| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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|-------------------------------|------------------------------------|-------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| `hsts` | | `{"enable": true, "maxAgeSeconds": 31536000, "includeSubdomains": true, "preload": true}` | [HSTS](https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security) options to use with HTTPS (default is the example value, max age is a year) |
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| `hsts` | | `{"enable": true, "maxAgeSeconds": 31536000, "includeSubdomains": true, "preload": true}` | [HSTS](https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security) options to use with HTTPS (default is the example value, max age is a year) |
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| | `CMD_HSTS_ENABLE` | **`true`** or `false` | set to enable [HSTS](https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security) if HTTPS is also enabled (default is ` true`) |
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| | `CMD_HSTS_ENABLE` | **`true`** or `false` | set to enable [HSTS](https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security) if HTTPS is also enabled (default is ` true`) |
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| | `CMD_HSTS_INCLUDE_SUBDOMAINS` | **`true`** or `false` | set to include subdomains in HSTS (default is `true`) |
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| | `CMD_HSTS_INCLUDE_SUBDOMAINS` | **`true`** or `false` | set to include subdomains in HSTS (default is `true`) |
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| | `CMD_HSTS_MAX_AGE` | **`31536000`**, `60 * 60 * 24 * 365` | max duration in seconds to tell clients to keep HSTS status (default is a year) |
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| | `CMD_HSTS_MAX_AGE` | **`31536000`**, `60 * 60 * 24 * 365` | max duration in seconds to tell clients to keep HSTS status (default is a year) |
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| | `CMD_HSTS_PRELOAD` | **`true`** or `false` | whether to allow preloading of the site's HSTS status (e.g. into browsers) |
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| | `CMD_HSTS_PRELOAD` | **`true`** or `false` | whether to allow preloading of the site's HSTS status (e.g. into browsers) |
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| `csp` | | `{"enable": true, "addDefaults": true}` | Nested object to configure the Content Security Policy |
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| `csp` | | `{"enable": true, "addDefaults": true}` | Nested object to configure the Content Security Policy |
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| `csp.enable` | `CMD_CSP_ENABLE` | **`true`** or `false` | Whether to apply a `Content-Security-Policy` header to responses. We don't recommend disabling this option, as it significantly reduces the security of the application. |
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| `csp.enable` | `CMD_CSP_ENABLE` | **`true`** or `false` | Whether to apply a `Content-Security-Policy` header to responses. We don't recommend disabling this option, as it significantly reduces the security of the application. |
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| `csp.addDefaults` | | **`true`** or `false` | Disable to not include the default CSP. Be careful, this will break the application if the correct directives are not set manually. |
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| `csp.addDefaults` | | **`true`** or `false` | Disable to not include the default CSP. Be careful, this will break the application if the correct directives are not set manually. |
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| `csp.directives` | | **no default**, `{"scriptSrc": "trustworthy-scripts.example.com"}` | Custom CSP directives. These are passed to Helmet - see [their documentation](https://helmetjs.github.io/docs/csp/) for more information on the format. |
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| `csp.directives` | | **no default**, `{"scriptSrc": "trustworthy-scripts.example.com"}` | Custom CSP directives. These are passed to Helmet - see [their documentation](https://helmetjs.github.io/docs/csp/) for more information on the format. |
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| `csp.addDisqus` | `CMD_CSP_ADD_DISQUS` | **`false`** or `true` | Enable to allow users to add Disqus comments to their notes or presentations. We don't recommend enabling this option, as it increases the attack surface of XSS attacks. |
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| `csp.addDisqus` | `CMD_CSP_ADD_DISQUS` | **`false`** or `true` | Enable to allow users to add Disqus comments to their notes or presentations. We don't recommend enabling this option, as it increases the attack surface of XSS attacks. |
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| `csp.addGoogleAnalytics` | `CMD_CSP_ADD_GOOGLE_ANALYTICS` | **`false`** or `true` | Enable to allow users to add Google Analytics to their notes. We don't recommend enabling this option, as it increases the attack surface of XSS attacks. |
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| `csp.addGoogleAnalytics` | `CMD_CSP_ADD_GOOGLE_ANALYTICS` | **`false`** or `true` | Enable to allow users to add Google Analytics to their notes. We don't recommend enabling this option, as it increases the attack surface of XSS attacks. |
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| `csp.upgradeInsecureRequests` | | **`auto`** or `true` or `false` | By default (`auto`), insecure (HTTP) requests are upgraded to HTTPS via CSP if `useSSL` is on. To change this behaviour, set to either `true` or `false`. |
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| `csp.upgradeInsecureRequests` | | **`auto`** or `true` or `false` | By default (`auto`), insecure (HTTP) requests are upgraded to HTTPS via CSP if `useSSL` is on. To change this behaviour, set to either `true` or `false`. |
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| `csp.reportUri` | `CMD_CSP_REPORTURI` | **`undefined`**, `https://<someid>.report-uri.com/r/d/csp/enforce` | Allows to add a URL for CSP reports in case of violations. |
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| `csp.reportUri` | `CMD_CSP_REPORTURI` | **`undefined`**, `https://<someid>.report-uri.com/r/d/csp/enforce` | Allows to add a URL for CSP reports in case of violations. |
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| `csp.allowFraming` | `CMD_CSP_ALLOW_FRAMING` | **`true`** or `false` | Disable to disallow embedding of the instance via iframe. We **strongly recommend disabling** this option, as it increases the attack surface of XSS attacks. |
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| `csp.allowFraming` | `CMD_CSP_ALLOW_FRAMING` | **`true`** or `false` | Disable to disallow embedding of the instance via iframe. We **strongly recommend disabling** this option, as it increases the attack surface of XSS attacks. |
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| `csp.allowPDFEmbed` | `CMD_CSP_ALLOW_PDF_EMBED` | **`true`** or `false` | Disable to disallow embedding PDFs. We recommend disabling this option, as it increases the attack surface of XSS attacks. |
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| `csp.allowPDFEmbed` | `CMD_CSP_ALLOW_PDF_EMBED` | **`true`** or `false` | Disable to disallow embedding PDFs. We recommend disabling this option, as it increases the attack surface of XSS attacks. |
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| `cookiePolicy` | `CMD_COOKIE_POLICY` | **`lax`**, `strict` or `none` | Set a SameSite policy whether cookies are send from cross-origin. Be careful: setting a SameSite value of none without https breaks the editor. |
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| `cookiePolicy` | `CMD_COOKIE_POLICY` | **`lax`**, `strict` or `none` | Set a SameSite policy whether cookies are send from cross-origin. Be careful: setting a SameSite value of none without https breaks the editor. |
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| `observability.exposeMetrics | `CMD_OBSERVABILITY_EXPOSE_METRICS` | **true** or `false` | Controls whether the /metrics endpoint is exposed. |
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| `observability.exposeStatus | `CMD_OBSERVABILITY_EXPOSE_STATUS` | **true** or `false` | Controls whether the /status routes are exposed. Note that /status will still return 200 for healthcheck purposes, but no data will be exposed. |
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## Privacy and External Requests
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## Privacy and External Requests
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@ -29,6 +29,10 @@ module.exports = {
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allowFraming: true,
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allowFraming: true,
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allowPDFEmbed: true
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allowPDFEmbed: true
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},
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},
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observability: {
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exposeMetrics: true,
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exposeStatus: true
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},
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cookiePolicy: 'lax',
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cookiePolicy: 'lax',
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protocolUseSSL: false,
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protocolUseSSL: false,
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allowAnonymous: true,
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allowAnonymous: true,
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@ -18,6 +18,10 @@ module.exports = {
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includeSubdomains: toBooleanConfig(process.env.CMD_HSTS_INCLUDE_SUBDOMAINS),
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includeSubdomains: toBooleanConfig(process.env.CMD_HSTS_INCLUDE_SUBDOMAINS),
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preload: toBooleanConfig(process.env.CMD_HSTS_PRELOAD)
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preload: toBooleanConfig(process.env.CMD_HSTS_PRELOAD)
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},
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},
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observability: {
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exposeMetrics: toBooleanConfig(process.env.CMD_OBSERVABILITY_EXPOSE_METRICS),
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exposeStatus: toBooleanConfig(process.env.CMD_OBSERVABILITY_EXPOSE_STATUS)
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},
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csp: {
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csp: {
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enable: toBooleanConfig(process.env.CMD_CSP_ENABLE),
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enable: toBooleanConfig(process.env.CMD_CSP_ENABLE),
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reportURI: process.env.CMD_CSP_REPORTURI,
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reportURI: process.env.CMD_CSP_REPORTURI,
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@ -2,6 +2,9 @@
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## UNRELEASED
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## UNRELEASED
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### Enhancements
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- Allow disabling the /metrics and /status endpoints
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### Bugfixes
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### Bugfixes
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- Fix note titles with special characters producing invalid file names in user export zip file
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- Fix note titles with special characters producing invalid file names in user export zip file
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