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cryptpad
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Fix CSP headers mismatch between node and Nginx

This commit is contained in:
yflory 2023-08-17 16:10:39 +02:00
parent a3772cf92c
commit 867efea83b
1 changed files with 13 additions and 12 deletions
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25
lib/defaults.js
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@ -1,16 +1,17 @@
var Default = module.exports;
Default.commonCSP = function (Env) {
var domain = ' ' + Env.httpUnsafeOrigin;
var domain = Env.httpUnsafeOrigin;
var sandbox = Env.httpSafeOrigin;
sandbox = (sandbox && sandbox !== domain? ' ' + sandbox: '');
sandbox = (sandbox && sandbox !== domain ? sandbox : '');
// Content-Security-Policy
var accounts_api = Env.accounts_api? ' ' + Env.accounts_api: '';
var accounts_api = Env.accounts_api || '';
var wsURL = domain.replace('https://', 'wss://').replace('http://', 'ws://');
return [
"default-src 'none'",
"style-src 'unsafe-inline' 'self' " + domain,
"font-src 'self' data:" + domain,
`default-src 'none'`,
`style-src 'unsafe-inline' 'self' ${domain}`,
`font-src 'self' data: ${domain}`,
/* child-src is used to restrict iframes to a set of allowed domains.
* connect-src is used to restrict what domains can connect to the websocket.
@ -18,23 +19,23 @@ Default.commonCSP = function (Env) {
* it is recommended that you configure these fields to match the
* domain which will serve your CryptPad instance.
*/
"child-src " + domain,
`child-src ${domain}`,
// IE/Edge
"frame-src 'self' blob: " + sandbox,
`frame-src 'self' blob: ${sandbox}`,
/* this allows connections over secure or insecure websockets
if you are deploying to production, you'll probably want to remove
the ws://* directive
*/
"connect-src 'self' localhost blob: " + (/^https:/.test(domain)? 'wss:': domain.replace('http://', 'ws://')) + ' ' + domain + sandbox + accounts_api,
`connect-src 'self' blob: ${domain} ${sandbox} ${accounts_api} ${wsURL}`,
// data: is used by codemirror
"img-src 'self' data: blob:" + domain,
"media-src blob:",
`img-src 'self' data: blob: ${domain}`,
`media-src blob:`,
// for accounts.cryptpad.fr authentication and cross-domain iframe sandbox
Env.enableEmbedding? `frame-ancestors 'self' ${Env.protocol} vector:`: `frame-ancestors 'self' ${domain}`,
"worker-src 'self'",
`worker-src 'self'`,
""
];
};