2022-07-19 15:47:04 +01:00
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{ config, pkgs, inputs, lib, ... }:
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{
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2022-07-19 13:20:48 +01:00
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imports = [ ../nginx.nix ];
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services.nginx = {
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virtualHosts = {
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"notes.purrfect.estate" = {
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forceSSL = true;
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enableACME = true;
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2022-07-19 15:47:04 +01:00
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serverAliases = [ "notes-sandbox.purrfect.estate" ];
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extraConfig = ''
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set $main_domain "notes.purrfect.estate";
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set $sandbox_domain "notes-sandbox.purrfect.estate";
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# By default CryptPad allows remote domains to embed CryptPad documents in iframes.
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# This behaviour can be blocked by changing $allowed_origins from "*" to the
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# sandbox domain, which must be permitted to load content from the main domain
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# in order for CryptPad to work as expected.
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#
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# An example is given below which can be uncommented if you want to block
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# remote sites from including content from your server
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set $allowed_origins "*";
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set $allowed_origins "https://''${sandbox_domain}";
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# CryptPad's dynamic content (websocket traffic and encrypted blobs)
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# can be served over separate domains. Using dedicated domains (or subdomains)
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# for these purposes allows you to move them to a separate machine at a later date
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# if you find that a single machine cannot handle all of your users.
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# If you don't use dedicated domains, this can be the same as $main_domain
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# If you do, they can be added as exceptions to any rules which block connections to remote domains.
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# You can find these variables referenced below in the relevant places
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set $api_domain "notes.purrfect.estate";
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set $files_domain "notes.purrfect.estate";
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add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
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add_header X-XSS-Protection "1; mode=block";
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add_header X-Content-Type-Options nosniff;
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add_header Access-Control-Allow-Origin "''${allowed_origins}";
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# add_header X-Frame-Options "SAMEORIGIN";
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# Opt out of Google's FLoC Network
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add_header Permissions-Policy interest-cohort=();
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# Enable SharedArrayBuffer in Firefox (for .xlsx export)
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add_header Cross-Origin-Resource-Policy cross-origin;
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add_header Cross-Origin-Embedder-Policy require-corp;
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# any static assets loaded with "ver=" in their URL will be cached for a year
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if ($args ~ ver=) {
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set $cacheControl max-age=31536000;
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}
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if ($uri ~ ^/.*(\/|\.html)$) {
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set $cacheControl no-cache;
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}
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# Will not set any header if it is emptystring
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add_header Cache-Control $cacheControl;
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# CSS can be dynamically set inline, loaded from the same domain, or from $main_domain
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set $styleSrc "'unsafe-inline' 'self' https://''${main_domain}";
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# connect-src restricts URLs which can be loaded using script interfaces
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# if you have configured your instance to use a dedicated $files_domain or $api_domain
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# you will need to add them below as: https://''${files_domain} and https://''${api_domain}
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set $connectSrc "'self' https://''${main_domain} blob: wss://''${api_domain} https://''${sandbox_domain}";
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# fonts can be loaded from data-URLs or the main domain
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set $fontSrc "'self' data: https://''${main_domain}";
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# images can be loaded from anywhere, though we'd like to deprecate this as it allows the use of images for tracking
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set $imgSrc "'self' data: blob: https://''${main_domain}";
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# frame-src specifies valid sources for nested browsing contexts.
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# this prevents loading any iframes from anywhere other than the sandbox domain
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set $frameSrc "'self' https://''${sandbox_domain} blob:";
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# specifies valid sources for loading media using video or audio
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set $mediaSrc "blob:";
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# defines valid sources for webworkers and nested browser contexts
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# deprecated in favour of worker-src and frame-src
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set $childSrc "https://''${main_domain}";
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# specifies valid sources for Worker, SharedWorker, or ServiceWorker scripts.
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# supercedes child-src but is unfortunately not yet universally supported.
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set $workerSrc "'self'";
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# script-src specifies valid sources for javascript, including inline handlers
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set $scriptSrc "'self' resource: https://''${main_domain}";
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# frame-ancestors specifies which origins can embed your CryptPad instance
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# this must include 'self' and your main domain (over HTTPS) in order for CryptPad to work
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# if you have enabled remote embedding via the admin panel then this must be more permissive.
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# note: cryptpad.fr permits web pages served via https: and vector: (element desktop app)
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set $frameAncestors "'self' https://''${main_domain}";
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# set $frameAncestors "'self' https: vector:";
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set $unsafe 0;
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# the following assets are loaded via the sandbox domain
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# they unfortunately still require exceptions to the sandboxing to work correctly.
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if ($uri ~ ^\/(sheet|doc|presentation)\/inner.html.*$) { set $unsafe 1; }
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if ($uri ~ ^\/common\/onlyoffice\/.*\/.*\.html.*$) { set $unsafe 1; }
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# everything except the sandbox domain is a privileged scope, as they might be used to handle keys
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if ($host != $sandbox_domain) { set $unsafe 0; }
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# this iframe is an exception. Office file formats are converted outside of the sandboxed scope
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# because of bugs in Chromium-based browsers that incorrectly ignore headers that are supposed to enable
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# the use of some modern APIs that we require when javascript is run in a cross-origin context.
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# We've applied other sandboxing techniques to mitigate the risk of running WebAssembly in this privileged scope
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if ($uri ~ ^\/unsafeiframe\/inner\.html.*$) { set $unsafe 1; }
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# privileged contexts allow a few more rights than unprivileged contexts, though limits are still applied
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if ($unsafe) {
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set $scriptSrc "'self' 'unsafe-eval' 'unsafe-inline' resource: https://''${main_domain}";
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}
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# Finally, set all the rules you composed above.
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add_header Content-Security-Policy "default-src 'none'; child-src $childSrc; worker-src $workerSrc; media-src $mediaSrc; style-src $styleSrc; script-src $scriptSrc; connect-src $connectSrc; font-src $fontSrc; img-src $imgSrc; frame-src $frameSrc; frame-ancestors $frameAncestors";
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# The nodejs process can handle all traffic whether accessed over websocket or as static assets
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# We prefer to serve static content from nginx directly and to leave the API server to handle
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# the dynamic content that only it can manage. This is primarily an optimization
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location ^~ /cryptpad_websocket {
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proxy_pass http://localhost:3000;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header Host $host;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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# WebSocket support (nginx 1.4)
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection upgrade;
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add_header Content-Security-Policy "default-src 'none'; child-src $childSrc; worker-src $workerSrc; media-src $mediaSrc; style-src $styleSrc; script-src $scriptSrc; connect-src $connectSrc; font-src $fontSrc; img-src $imgSrc; frame-src $frameSrc; frame-ancestors $frameAncestors";
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add_header X-XSS-Protection "1; mode=block";
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add_header Cache-Control $cacheControl;
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add_header X-Content-Type-Options nosniff;
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}
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location ^~ /customize.dist/ {
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# This is needed in order to prevent infinite recursion between /customize/ and the root
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}
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# try to load customizeable content via /customize/ and fall back to the default content
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# located at /customize.dist/
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# This is what allows you to override behaviour.
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location ^~ /customize/ {
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rewrite ^/customize/(.*)$ $1 break;
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try_files /customize/$uri /customize.dist/$uri;
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}
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# /api/config is loaded once per page load and is used to retrieve
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# the caching variable which is applied to every other resource
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# which is loaded during that session.
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location ~ ^/api/.*$ {
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proxy_pass http://localhost:3000;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header Host $host;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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# These settings prevent both NGINX and the API server
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# from setting the same headers and creating duplicates
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proxy_hide_header Cross-Origin-Resource-Policy;
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add_header Cross-Origin-Resource-Policy cross-origin;
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proxy_hide_header Cross-Origin-Embedder-Policy;
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add_header Cross-Origin-Embedder-Policy require-corp;
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add_header Content-Security-Policy "default-src 'none'; child-src $childSrc; worker-src $workerSrc; media-src $mediaSrc; style-src $styleSrc; script-src $scriptSrc; connect-src $connectSrc; font-src $fontSrc; img-src $imgSrc; frame-src $frameSrc; frame-ancestors $frameAncestors";
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add_header X-XSS-Protection "1; mode=block";
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add_header Cache-Control $cacheControl;
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add_header X-Content-Type-Options nosniff;
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}
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# encrypted blobs are immutable and are thus cached for a year
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location ^~ /blob/ {
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if ($request_method = 'OPTIONS') {
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add_header 'Access-Control-Allow-Origin' "''${allowed_origins}";
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add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
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add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range';
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add_header 'Access-Control-Max-Age' 1728000;
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add_header 'Content-Type' 'application/octet-stream; charset=utf-8';
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add_header 'Content-Length' 0;
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add_header Content-Security-Policy "default-src 'none'; child-src $childSrc; worker-src $workerSrc; media-src $mediaSrc; style-src $styleSrc; script-src $scriptSrc; connect-src $connectSrc; font-src $fontSrc; img-src $imgSrc; frame-src $frameSrc; frame-ancestors $frameAncestors";
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add_header X-XSS-Protection "1; mode=block";
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add_header Cache-Control $cacheControl;
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add_header X-Content-Type-Options nosniff;
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return 204;
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}
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add_header X-Content-Type-Options nosniff;
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add_header Cache-Control max-age=31536000;
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add_header 'Access-Control-Allow-Origin' "''${allowed_origins}";
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add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
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add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,Content-Length';
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add_header 'Access-Control-Expose-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,Content-Length';
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add_header Content-Security-Policy "default-src 'none'; child-src $childSrc; worker-src $workerSrc; media-src $mediaSrc; style-src $styleSrc; script-src $scriptSrc; connect-src $connectSrc; font-src $fontSrc; img-src $imgSrc; frame-src $frameSrc; frame-ancestors $frameAncestors";
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add_header X-XSS-Protection "1; mode=block";
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add_header Cache-Control $cacheControl;
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add_header X-Content-Type-Options nosniff;
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try_files $uri =404;
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}
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# the "block-store" serves encrypted payloads containing users' drive keys
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# these payloads are unlocked via login credentials. They are mutable
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# and are thus never cached. They're small enough that it doesn't matter, in any case.
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location ^~ /block/ {
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add_header X-Content-Type-Options nosniff;
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add_header Cache-Control max-age=0;
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add_header Content-Security-Policy "default-src 'none'; child-src $childSrc; worker-src $workerSrc; media-src $mediaSrc; style-src $styleSrc; script-src $scriptSrc; connect-src $connectSrc; font-src $fontSrc; img-src $imgSrc; frame-src $frameSrc; frame-ancestors $frameAncestors";
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add_header X-XSS-Protection "1; mode=block";
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add_header X-Content-Type-Options nosniff;
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try_files $uri =404;
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}
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# This block provides an alternative means of loading content
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# otherwise only served via websocket. This is solely for debugging purposes,
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# and is thus not allowed by default.
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#location ^~ /datastore/ {
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#add_header Cache-Control max-age=0;
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#try_files $uri =404;
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#}
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# The nodejs server has some built-in forwarding rules to prevent
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# URLs like /pad from resulting in a 404. This simply adds a trailing slash
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# to a variety of applications.
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location ~ ^/(register|login|settings|user|pad|drive|poll|slide|code|whiteboard|file|media|profile|contacts|todo|filepicker|debug|kanban|sheet|support|admin|notifications|teams|calendar|presentation|doc|form|report|convert|checkup)$ {
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rewrite ^(.*)$ $1/ redirect;
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}
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# Finally, serve anything the above exceptions don't govern.
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try_files /www/$uri /www/$uri/index.html /customize/$uri;
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'';
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2022-07-19 13:20:48 +01:00
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};
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};
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};
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virtualisation.oci-containers.containers.cryptpad = {
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image = "promasu/cryptpad";
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2022-07-19 15:47:04 +01:00
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ports = [ "9005:3000" "9006:3001" ];
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volumes = [ "${./cryptpad.config.js}:/cryptpad/config/config.js" ];
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2022-07-19 13:20:48 +01:00
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};
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}
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