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Add config option for cookie SameSite policy

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Signed-off-by: Erik Michelson <github@erik.michelson.eu>
This commit is contained in:
Erik Michelson 2020-08-27 02:04:49 +02:00
parent 23d54b8b4b
commit 824f910bfe
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13 changed files with 41 additions and 25 deletions
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2
app.js
View file

@ -147,7 +147,7 @@ app.use(session({
rolling: true, // reset maxAge on every response
cookie: {
maxAge: config.sessionLife,
sameSite: 'lax',
sameSite: config.cookiePolicy, // be careful: setting a SameSite value of none without https breaks the editor
secure: config.useSSL || config.protocolUseSSL || false
},
store: sessionStore

4
app.json
View file

@ -56,6 +56,10 @@
"description": "set to use ssl protocol for resources path (only applied when domain is set)",
"required": false
},
"CMD_COOKIE_POLICY": {
"description": "Set whether cookies should be sent cross-origin (SameSite value)",
"required": false
},
"CMD_URL_ADDPORT": {
"description": "set to add port on callback url (port 80 or 443 won't applied) (only applied when domain is set)",
"required": false

1
config.json.example
View file

@ -35,6 +35,7 @@
"addDisqus": true,
"addGoogleAnalytics": true
},
"cookiePolicy": "strict",
"db": {
"username": "",
"password": "",

23
docs/configuration.md
View file

@ -69,18 +69,19 @@ these are rarely used for various reasons.
| `urlAddPort` | `CMD_URL_ADDPORT` | **`false`** or `true` | set to add port on callback URL (ports `80` or `443` won't be applied) (only applied when domain is set) |
| `allowOrigin` | `CMD_ALLOW_ORIGIN` | **`['localhost']`**, `['codimd.org']`, `[localhost, codimd.org]` | domain name whitelist (use comma to separate) |
## CSP and HSTS
## Web security aspects
| config file | environment | **default** and example value | description |
| ----------- | ----------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `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) |
| | `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`) |
| | `CMD_HSTS_INCLUDE_SUBDOMAINS` | **`true`** or `false` | set to include subdomains in HSTS (default is `true`) |
| | `CMD_HSTS_MAX_AGE` | **`31536000`**, `60 * 60 * 24 * 365` | max duration in seconds to tell clients to keep HSTS status (default is a year) |
| | `CMD_HSTS_PRELOAD` | **`true`** or `false` | whether to allow preloading of the site's HSTS status (e.g. into browsers) |
| `csp` | | `{"enable": true, "directives": {"scriptSrc": "trustworthy-scripts.example.com"}, "upgradeInsecureRequests": "auto", "addDefaults": true}` | Configures [Content Security Policy](https://helmetjs.github.io/docs/csp/). Directives are passed to Helmet - see [their documentation](https://helmetjs.github.io/docs/csp/) for more information on the format. Some defaults are added to the configured values so that the application doesn't break. To disable this behaviour, set `addDefaults` to `false`. Further, if `usecdn` is on, some CDN locations are allowed too. By default (`auto`), insecure (HTTP) requests are upgraded to HTTPS via CSP if `useSSL` is on. To change this behaviour, set `upgradeInsecureRequests` to either `true` or `false`. |
| | `CMD_CSP_ENABLE` | **`true`** or `false` | whether to enable Content Security Policy (directives cannot be configured with environment variables) |
| | `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 |
| config file | environment | **default** and example value | description |
| -------------- | ----------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `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) |
| | `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`) |
| | `CMD_HSTS_INCLUDE_SUBDOMAINS` | **`true`** or `false` | set to include subdomains in HSTS (default is `true`) |
| | `CMD_HSTS_MAX_AGE` | **`31536000`**, `60 * 60 * 24 * 365` | max duration in seconds to tell clients to keep HSTS status (default is a year) |
| | `CMD_HSTS_PRELOAD` | **`true`** or `false` | whether to allow preloading of the site's HSTS status (e.g. into browsers) |
| `csp` | | `{"enable": true, "directives": {"scriptSrc": "trustworthy-scripts.example.com"}, "upgradeInsecureRequests": "auto", "addDefaults": true}` | Configures [Content Security Policy](https://helmetjs.github.io/docs/csp/). Directives are passed to Helmet - see [their documentation](https://helmetjs.github.io/docs/csp/) for more information on the format. Some defaults are added to the configured values so that the application doesn't break. To disable this behaviour, set `addDefaults` to `false`. Further, if `usecdn` is on, some CDN locations are allowed too. By default (`auto`), insecure (HTTP) requests are upgraded to HTTPS via CSP if `useSSL` is on. To change this behaviour, set `upgradeInsecureRequests` to either `true` or `false`. |
| | `CMD_CSP_ENABLE` | **`true`** or `false` | whether to enable Content Security Policy (directives cannot be configured with environment variables) |
| | `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 |
| `cookiePolicy` | `CMD_COOKIE_POLICY` | **`strict`**, `lax` 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 |
## Privacy and External Requests

1
lib/config/default.js
View file

@ -27,6 +27,7 @@ module.exports = {
upgradeInsecureRequests: 'auto',
reportURI: undefined
},
cookiePolicy: 'strict',
protocolUseSSL: false,
useCDN: false,
allowAnonymous: true,

1
lib/config/environment.js
View file

@ -22,6 +22,7 @@ module.exports = {
enable: toBooleanConfig(process.env.CMD_CSP_ENABLE),
reportURI: process.env.CMD_CSP_REPORTURI
},
cookiePolicy: process.env.CMD_COOKIE_POLICY,
protocolUseSSL: toBooleanConfig(process.env.CMD_PROTOCOL_USESSL),
allowOrigin: toArrayConfig(process.env.CMD_ALLOW_ORIGIN),
useCDN: toBooleanConfig(process.env.CMD_USECDN),

5
lib/config/index.js
View file

@ -51,6 +51,11 @@ if (['debug', 'verbose', 'info', 'warn', 'error'].includes(config.loglevel)) {
logger.error('Selected loglevel %s doesn\'t exist, using default level \'debug\'. Available options: debug, verbose, info, warn, error', config.loglevel)
}
if (!['strict', 'lax', 'none'].includes(config.cookiePolicy)) {
logger.error('Cookie SameSite policy %s does not exist. Falling back to strict. Available values are: strict, lax, none.', config.cookiePolicy)
config.cookiePolicy = 'strict'
}
// load LDAP CA
if (config.ldap.tlsca) {
let ca = config.ldap.tlsca.split(',')

3
lib/web/statusRouter.js
View file

@ -97,7 +97,8 @@ statusRouter.get('/config', function (req, res) {
version: config.fullversion,
DROPBOX_APP_KEY: config.dropbox.appKey,
allowedUploadMimeTypes: config.allowedUploadMimeTypes,
linkifyHeaderStyle: config.linkifyHeaderStyle
linkifyHeaderStyle: config.linkifyHeaderStyle,
cookiePolicy: config.cookiePolicy
}
res.set({
'Cache-Control': 'private', // only cache by client

2
public/js/index.js
View file

@ -1597,7 +1597,7 @@ function toggleNightMode () {
} else {
Cookies.set('nightMode', !isActive, {
expires: 365,
sameSite: 'strict'
sameSite: window.cookiePolicy
})
}
}

2
public/js/lib/common/constant.ejs
View file

@ -8,3 +8,5 @@ window.allowedUploadMimeTypes = <%- JSON.stringify(allowedUploadMimeTypes) %>
window.linkifyHeaderStyle = '<%- linkifyHeaderStyle %>'
window.DROPBOX_APP_KEY = '<%- DROPBOX_APP_KEY %>'
window.cookiePolicy = '<%- cookiePolicy %>'

4
public/js/lib/common/login.js
View file

@ -20,12 +20,12 @@ export function resetCheckAuth () {
export function setLoginState (bool, id) {
Cookies.set('loginstate', bool, {
expires: 365,
sameSite: 'strict'
sameSite: window.cookiePolicy
})
if (id) {
Cookies.set('userid', id, {
expires: 365,
sameSite: 'strict'
sameSite: window.cookiePolicy
})
} else {
Cookies.remove('userid')

16
public/js/lib/editor/index.js
View file

@ -304,13 +304,13 @@ export default class Editor {
if (this.editor.getOption('indentWithTabs')) {
Cookies.set('indent_type', 'tab', {
expires: 365,
sameSite: 'strict'
sameSite: window.cookiePolicy
})
type.text('Tab Size:')
} else {
Cookies.set('indent_type', 'space', {
expires: 365,
sameSite: 'strict'
sameSite: window.cookiePolicy
})
type.text('Spaces:')
}
@ -322,12 +322,12 @@ export default class Editor {
if (this.editor.getOption('indentWithTabs')) {
Cookies.set('tab_size', unit, {
expires: 365,
sameSite: 'strict'
sameSite: window.cookiePolicy
})
} else {
Cookies.set('space_units', unit, {
expires: 365,
sameSite: 'strict'
sameSite: window.cookiePolicy
})
}
widthLabel.text(unit)
@ -396,7 +396,7 @@ export default class Editor {
var keymap = this.editor.getOption('keyMap')
Cookies.set('keymap', keymap, {
expires: 365,
sameSite: 'strict'
sameSite: window.cookiePolicy
})
label.text(keymap)
this.restoreOverrideEditorKeymap()
@ -445,7 +445,7 @@ export default class Editor {
this.editor.setOption('theme', theme)
Cookies.set('theme', theme, {
expires: 365,
sameSite: 'strict'
sameSite: window.cookiePolicy
})
checkTheme()
@ -491,7 +491,7 @@ export default class Editor {
}
Cookies.set('spellcheck', mode === 'spell-checker', {
expires: 365,
sameSite: 'strict'
sameSite: window.cookiePolicy
})
checkSpellcheck()
@ -537,7 +537,7 @@ export default class Editor {
if (overrideBrowserKeymap.is(':checked')) {
Cookies.set('preferences-override-browser-keymap', true, {
expires: 365,
sameSite: 'strict'
sameSite: window.cookiePolicy
})
this.restoreOverrideEditorKeymap()
} else {

2
public/js/locale.js
View file

@ -31,7 +31,7 @@ if (localeSelector.length > 0) {
localeSelector.change(function () {
Cookies.set('locale', $(this).val(), {
expires: 365,
sameSite: 'strict'
sameSite: window.cookiePolicy
})
window.location.reload()
})