From 71dfe2f0ea4a5619588d39c83eff26bc7756e688 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cyryl=20P=C5=82otnicki?= Date: Sat, 23 Jul 2022 07:49:40 +0100 Subject: [PATCH] basic working version of cryptpad --- nixos/boxes/vpsfree1/cryptpad.nginx.config | 215 ------------------- nixos/boxes/vpsfree1/cryptpad.nix | 234 ++------------------- 2 files changed, 14 insertions(+), 435 deletions(-) delete mode 100644 nixos/boxes/vpsfree1/cryptpad.nginx.config diff --git a/nixos/boxes/vpsfree1/cryptpad.nginx.config b/nixos/boxes/vpsfree1/cryptpad.nginx.config deleted file mode 100644 index 5759b488..00000000 --- a/nixos/boxes/vpsfree1/cryptpad.nginx.config +++ /dev/null @@ -1,215 +0,0 @@ -# This file is included strictly as an example of how Nginx can be configured -# to work with CryptPad. This example WILL NOT WORK AS IS. For best results, -# compare the sections of this configuration file against a working CryptPad -# installation (http server by the Nodejs process). If you are using CryptPad -# in production and require professional support please contact sales@cryptpad.fr - -server { - listen 443 ssl http2; - -# CryptPad serves static assets over these two domains. -# `main_domain` is what users will enter in their address bar. -# Privileged computation such as key management is handled in this scope -# UI content is loaded via the `sandbox_domain`. -# "Content Security Policy" headers prevent content loaded via the sandbox -# from accessing privileged information. -# These variables must be different to take advantage of CryptPad's sandboxing techniques. -# In the event of an XSS vulnerability in CryptPad's front-end code -# this will limit the amount of information accessible to attackers. - set $main_domain "notes.purrfect.estate"; - set $sandbox_domain "notes-sandbox.purrfect.estate"; - -# By default CryptPad allows remote domains to embed CryptPad documents in iframes. -# This behaviour can be blocked by changing $allowed_origins from "*" to the -# sandbox domain, which must be permitted to load content from the main domain -# in order for CryptPad to work as expected. -# -# An example is given below which can be uncommented if you want to block -# remote sites from including content from your server - set $allowed_origins "*"; - set $allowed_origins "https://${sandbox_domain}"; - -# CryptPad's dynamic content (websocket traffic and encrypted blobs) -# can be served over separate domains. Using dedicated domains (or subdomains) -# for these purposes allows you to move them to a separate machine at a later date -# if you find that a single machine cannot handle all of your users. -# If you don't use dedicated domains, this can be the same as $main_domain -# If you do, they can be added as exceptions to any rules which block connections to remote domains. -# You can find these variables referenced below in the relevant places - set $api_domain "notes.purrfect.estate"; - set $files_domain "notes.purrfect.estate"; - - add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always; - add_header X-XSS-Protection "1; mode=block"; - add_header X-Content-Type-Options nosniff; - add_header Access-Control-Allow-Origin "${allowed_origins}"; -# add_header X-Frame-Options "SAMEORIGIN"; - -# Opt out of Google's FLoC Network - add_header Permissions-Policy interest-cohort=(); - -# Enable SharedArrayBuffer in Firefox (for .xlsx export) - add_header Cross-Origin-Resource-Policy cross-origin; - add_header Cross-Origin-Embedder-Policy require-corp; - -# any static assets loaded with "ver=" in their URL will be cached for a year - if ($args ~ ver=) { - set $cacheControl max-age=31536000; - } - if ($uri ~ ^/.*(\/|\.html)$) { - set $cacheControl no-cache; - } -# Will not set any header if it is emptystring - add_header Cache-Control $cacheControl; - -# CSS can be dynamically set inline, loaded from the same domain, or from $main_domain - set $styleSrc "'unsafe-inline' 'self' https://${main_domain}"; - -# connect-src restricts URLs which can be loaded using script interfaces -# if you have configured your instance to use a dedicated $files_domain or $api_domain -# you will need to add them below as: https://${files_domain} and https://${api_domain} - set $connectSrc "'self' https://${main_domain} blob: wss://${api_domain} https://${sandbox_domain}"; - -# fonts can be loaded from data-URLs or the main domain - set $fontSrc "'self' data: https://${main_domain}"; - -# images can be loaded from anywhere, though we'd like to deprecate this as it allows the use of images for tracking - set $imgSrc "'self' data: blob: https://${main_domain}"; - -# frame-src specifies valid sources for nested browsing contexts. -# this prevents loading any iframes from anywhere other than the sandbox domain - set $frameSrc "'self' https://${sandbox_domain} blob:"; - -# specifies valid sources for loading media using video or audio - set $mediaSrc "blob:"; - -# defines valid sources for webworkers and nested browser contexts -# deprecated in favour of worker-src and frame-src - set $childSrc "https://${main_domain}"; - -# specifies valid sources for Worker, SharedWorker, or ServiceWorker scripts. -# supercedes child-src but is unfortunately not yet universally supported. - set $workerSrc "'self'"; - -# script-src specifies valid sources for javascript, including inline handlers - set $scriptSrc "'self' resource: https://${main_domain}"; - -# frame-ancestors specifies which origins can embed your CryptPad instance -# this must include 'self' and your main domain (over HTTPS) in order for CryptPad to work -# if you have enabled remote embedding via the admin panel then this must be more permissive. -# note: cryptpad.fr permits web pages served via https: and vector: (element desktop app) - set $frameAncestors "'self' https://${main_domain}"; -# set $frameAncestors "'self' https: vector:"; - - set $unsafe 0; -# the following assets are loaded via the sandbox domain -# they unfortunately still require exceptions to the sandboxing to work correctly. - if ($uri ~ ^\/(sheet|doc|presentation)\/inner.html.*$) { set $unsafe 1; } - if ($uri ~ ^\/common\/onlyoffice\/.*\/.*\.html.*$) { set $unsafe 1; } - -# everything except the sandbox domain is a privileged scope, as they might be used to handle keys - if ($host != $sandbox_domain) { set $unsafe 0; } -# this iframe is an exception. Office file formats are converted outside of the sandboxed scope -# because of bugs in Chromium-based browsers that incorrectly ignore headers that are supposed to enable -# the use of some modern APIs that we require when javascript is run in a cross-origin context. -# We've applied other sandboxing techniques to mitigate the risk of running WebAssembly in this privileged scope - if ($uri ~ ^\/unsafeiframe\/inner\.html.*$) { set $unsafe 1; } - -# privileged contexts allow a few more rights than unprivileged contexts, though limits are still applied - if ($unsafe) { - set $scriptSrc "'self' 'unsafe-eval' 'unsafe-inline' resource: https://${main_domain}"; - } - -# Finally, set all the rules you composed above. - 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"; - -# The nodejs process can handle all traffic whether accessed over websocket or as static assets -# We prefer to serve static content from nginx directly and to leave the API server to handle -# the dynamic content that only it can manage. This is primarily an optimization - location ^~ /cryptpad_websocket { - proxy_pass http://localhost:3000; - proxy_set_header X-Real-IP $remote_addr; - proxy_set_header Host $host; - proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; - -# WebSocket support (nginx 1.4) - proxy_http_version 1.1; - proxy_set_header Upgrade $http_upgrade; - proxy_set_header Connection upgrade; - } - - location ^~ /customize.dist/ { -# This is needed in order to prevent infinite recursion between /customize/ and the root - } -# try to load customizeable content via /customize/ and fall back to the default content -# located at /customize.dist/ -# This is what allows you to override behaviour. - location ^~ /customize/ { - rewrite ^/customize/(.*)$ $1 break; - try_files /customize/$uri /customize.dist/$uri; - } - -# /api/config is loaded once per page load and is used to retrieve -# the caching variable which is applied to every other resource -# which is loaded during that session. - location ~ ^/api/.*$ { - proxy_pass http://localhost:3000; - proxy_set_header X-Real-IP $remote_addr; - proxy_set_header Host $host; - proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; - -# These settings prevent both NGINX and the API server -# from setting the same headers and creating duplicates - proxy_hide_header Cross-Origin-Resource-Policy; - add_header Cross-Origin-Resource-Policy cross-origin; - proxy_hide_header Cross-Origin-Embedder-Policy; - add_header Cross-Origin-Embedder-Policy require-corp; - } - -# encrypted blobs are immutable and are thus cached for a year - location ^~ /blob/ { - if ($request_method = 'OPTIONS') { - add_header 'Access-Control-Allow-Origin' "${allowed_origins}"; - add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS'; - add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range'; - add_header 'Access-Control-Max-Age' 1728000; - add_header 'Content-Type' 'application/octet-stream; charset=utf-8'; - add_header 'Content-Length' 0; - return 204; - } - add_header X-Content-Type-Options nosniff; - add_header Cache-Control max-age=31536000; - add_header 'Access-Control-Allow-Origin' "${allowed_origins}"; - add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS'; - 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'; - 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'; - try_files $uri =404; - } - -# the "block-store" serves encrypted payloads containing users' drive keys -# these payloads are unlocked via login credentials. They are mutable -# and are thus never cached. They're small enough that it doesn't matter, in any case. - location ^~ /block/ { - add_header X-Content-Type-Options nosniff; - add_header Cache-Control max-age=0; - try_files $uri =404; - } - -# This block provides an alternative means of loading content -# otherwise only served via websocket. This is solely for debugging purposes, -# and is thus not allowed by default. -#location ^~ /datastore/ { -#add_header Cache-Control max-age=0; -#try_files $uri =404; -#} - -# The nodejs server has some built-in forwarding rules to prevent -# URLs like /pad from resulting in a 404. This simply adds a trailing slash -# to a variety of applications. - location ~ ^/(register|login|settings|user|pad|drive|poll|slide|code|whiteboard|file|media|profile|contacts|todo|filepicker|debug|kanban|sheet|support|admin|notifications|teams|calendar|presentation|doc|form|report|convert|checkup)$ { - rewrite ^(.*)$ $1/ redirect; - } - -# Finally, serve anything the above exceptions don't govern. - try_files /www/$uri /www/$uri/index.html /customize/$uri; -} diff --git a/nixos/boxes/vpsfree1/cryptpad.nix b/nixos/boxes/vpsfree1/cryptpad.nix index 22c80eab..0e08cd5b 100644 --- a/nixos/boxes/vpsfree1/cryptpad.nix +++ b/nixos/boxes/vpsfree1/cryptpad.nix @@ -10,231 +10,25 @@ forceSSL = true; enableACME = true; serverAliases = [ "notes-sandbox.purrfect.estate" ]; - extraConfig = '' - set $main_domain "notes.purrfect.estate"; - set $sandbox_domain "notes-sandbox.purrfect.estate"; - - # By default CryptPad allows remote domains to embed CryptPad documents in iframes. - # This behaviour can be blocked by changing $allowed_origins from "*" to the - # sandbox domain, which must be permitted to load content from the main domain - # in order for CryptPad to work as expected. - # - # An example is given below which can be uncommented if you want to block - # remote sites from including content from your server - set $allowed_origins "*"; - set $allowed_origins "https://''${sandbox_domain}"; - - # CryptPad's dynamic content (websocket traffic and encrypted blobs) - # can be served over separate domains. Using dedicated domains (or subdomains) - # for these purposes allows you to move them to a separate machine at a later date - # if you find that a single machine cannot handle all of your users. - # If you don't use dedicated domains, this can be the same as $main_domain - # If you do, they can be added as exceptions to any rules which block connections to remote domains. - # You can find these variables referenced below in the relevant places - set $api_domain "notes.purrfect.estate"; - set $files_domain "notes.purrfect.estate"; - - add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always; - add_header X-XSS-Protection "1; mode=block"; - add_header X-Content-Type-Options nosniff; - add_header Access-Control-Allow-Origin "''${allowed_origins}"; - # add_header X-Frame-Options "SAMEORIGIN"; - - # Opt out of Google's FLoC Network - add_header Permissions-Policy interest-cohort=(); - - # Enable SharedArrayBuffer in Firefox (for .xlsx export) - add_header Cross-Origin-Resource-Policy cross-origin; - add_header Cross-Origin-Embedder-Policy require-corp; - - # any static assets loaded with "ver=" in their URL will be cached for a year - if ($args ~ ver=) { - set $cacheControl max-age=31536000; - } - if ($uri ~ ^/.*(\/|\.html)$) { - set $cacheControl no-cache; - } - # Will not set any header if it is emptystring - add_header Cache-Control $cacheControl; - - # CSS can be dynamically set inline, loaded from the same domain, or from $main_domain - set $styleSrc "'unsafe-inline' 'self' https://''${main_domain}"; - - # connect-src restricts URLs which can be loaded using script interfaces - # if you have configured your instance to use a dedicated $files_domain or $api_domain - # you will need to add them below as: https://''${files_domain} and https://''${api_domain} - set $connectSrc "'self' https://''${main_domain} blob: wss://''${api_domain} https://''${sandbox_domain}"; - - # fonts can be loaded from data-URLs or the main domain - set $fontSrc "'self' data: https://''${main_domain}"; - - # images can be loaded from anywhere, though we'd like to deprecate this as it allows the use of images for tracking - set $imgSrc "'self' data: blob: https://''${main_domain}"; - - # frame-src specifies valid sources for nested browsing contexts. - # this prevents loading any iframes from anywhere other than the sandbox domain - set $frameSrc "'self' https://''${sandbox_domain} blob:"; - - # specifies valid sources for loading media using video or audio - set $mediaSrc "blob:"; - - # defines valid sources for webworkers and nested browser contexts - # deprecated in favour of worker-src and frame-src - set $childSrc "https://''${main_domain}"; - - # specifies valid sources for Worker, SharedWorker, or ServiceWorker scripts. - # supercedes child-src but is unfortunately not yet universally supported. - set $workerSrc "'self'"; - - # script-src specifies valid sources for javascript, including inline handlers - set $scriptSrc "'self' resource: https://''${main_domain}"; - - # frame-ancestors specifies which origins can embed your CryptPad instance - # this must include 'self' and your main domain (over HTTPS) in order for CryptPad to work - # if you have enabled remote embedding via the admin panel then this must be more permissive. - # note: cryptpad.fr permits web pages served via https: and vector: (element desktop app) - set $frameAncestors "'self' https://''${main_domain}"; - # set $frameAncestors "'self' https: vector:"; - - set $unsafe 0; - # the following assets are loaded via the sandbox domain - # they unfortunately still require exceptions to the sandboxing to work correctly. - if ($uri ~ ^\/(sheet|doc|presentation)\/inner.html.*$) { set $unsafe 1; } - if ($uri ~ ^\/common\/onlyoffice\/.*\/.*\.html.*$) { set $unsafe 1; } - - # everything except the sandbox domain is a privileged scope, as they might be used to handle keys - if ($host != $sandbox_domain) { set $unsafe 0; } - # this iframe is an exception. Office file formats are converted outside of the sandboxed scope - # because of bugs in Chromium-based browsers that incorrectly ignore headers that are supposed to enable - # the use of some modern APIs that we require when javascript is run in a cross-origin context. - # We've applied other sandboxing techniques to mitigate the risk of running WebAssembly in this privileged scope - if ($uri ~ ^\/unsafeiframe\/inner\.html.*$) { set $unsafe 1; } - - # privileged contexts allow a few more rights than unprivileged contexts, though limits are still applied - if ($unsafe) { - set $scriptSrc "'self' 'unsafe-eval' 'unsafe-inline' resource: https://''${main_domain}"; - } - - # Finally, set all the rules you composed above. - 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"; - - # The nodejs process can handle all traffic whether accessed over websocket or as static assets - # We prefer to serve static content from nginx directly and to leave the API server to handle - # the dynamic content that only it can manage. This is primarily an optimization - location ^~ /cryptpad_websocket { - proxy_pass http://localhost:3000; - proxy_set_header X-Real-IP $remote_addr; - proxy_set_header Host $host; - proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; - - # WebSocket support (nginx 1.4) - proxy_http_version 1.1; - proxy_set_header Upgrade $http_upgrade; - proxy_set_header Connection upgrade; - 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"; - add_header X-XSS-Protection "1; mode=block"; - add_header Cache-Control $cacheControl; - add_header X-Content-Type-Options nosniff; - } - - location ^~ /customize.dist/ { - # This is needed in order to prevent infinite recursion between /customize/ and the root - } - # try to load customizeable content via /customize/ and fall back to the default content - # located at /customize.dist/ - # This is what allows you to override behaviour. - location ^~ /customize/ { - rewrite ^/customize/(.*)$ $1 break; - try_files /customize/$uri /customize.dist/$uri; - } - - # /api/config is loaded once per page load and is used to retrieve - # the caching variable which is applied to every other resource - # which is loaded during that session. - location ~ ^/api/.*$ { - proxy_pass http://localhost:3000; - proxy_set_header X-Real-IP $remote_addr; - proxy_set_header Host $host; - proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; - - # These settings prevent both NGINX and the API server - # from setting the same headers and creating duplicates - proxy_hide_header Cross-Origin-Resource-Policy; - add_header Cross-Origin-Resource-Policy cross-origin; - proxy_hide_header Cross-Origin-Embedder-Policy; - add_header Cross-Origin-Embedder-Policy require-corp; - 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"; - add_header X-XSS-Protection "1; mode=block"; - add_header Cache-Control $cacheControl; - add_header X-Content-Type-Options nosniff; - } - - # encrypted blobs are immutable and are thus cached for a year - location ^~ /blob/ { - if ($request_method = 'OPTIONS') { - add_header 'Access-Control-Allow-Origin' "''${allowed_origins}"; - add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS'; - 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'; - add_header 'Access-Control-Max-Age' 1728000; - add_header 'Content-Type' 'application/octet-stream; charset=utf-8'; - add_header 'Content-Length' 0; - 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"; - add_header X-XSS-Protection "1; mode=block"; - add_header Cache-Control $cacheControl; - add_header X-Content-Type-Options nosniff; - return 204; - } - add_header X-Content-Type-Options nosniff; - add_header Cache-Control max-age=31536000; - add_header 'Access-Control-Allow-Origin' "''${allowed_origins}"; - add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS'; - 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'; - 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'; - 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"; - add_header X-XSS-Protection "1; mode=block"; - add_header Cache-Control $cacheControl; - add_header X-Content-Type-Options nosniff; - try_files $uri =404; - } - - # the "block-store" serves encrypted payloads containing users' drive keys - # these payloads are unlocked via login credentials. They are mutable - # and are thus never cached. They're small enough that it doesn't matter, in any case. - location ^~ /block/ { - add_header X-Content-Type-Options nosniff; - add_header Cache-Control max-age=0; - 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"; - add_header X-XSS-Protection "1; mode=block"; - add_header X-Content-Type-Options nosniff; - try_files $uri =404; - } - - # This block provides an alternative means of loading content - # otherwise only served via websocket. This is solely for debugging purposes, - # and is thus not allowed by default. - #location ^~ /datastore/ { - #add_header Cache-Control max-age=0; - #try_files $uri =404; - #} - - # The nodejs server has some built-in forwarding rules to prevent - # URLs like /pad from resulting in a 404. This simply adds a trailing slash - # to a variety of applications. - location ~ ^/(register|login|settings|user|pad|drive|poll|slide|code|whiteboard|file|media|profile|contacts|todo|filepicker|debug|kanban|sheet|support|admin|notifications|teams|calendar|presentation|doc|form|report|convert|checkup)$ { - rewrite ^(.*)$ $1/ redirect; - } - - # Finally, serve anything the above exceptions don't govern. - try_files /www/$uri /www/$uri/index.html /customize/$uri; - ''; + locations."/" = { + proxyPass = "http://localhost:9005"; + proxyWebsockets = true; + }; }; }; }; - virtualisation.oci-containers.containers.cryptpad = { - image = "promasu/cryptpad"; - ports = [ "9005:3000" "9006:3001" ]; + image = "promasu/cryptpad:nginx"; volumes = [ "${./cryptpad.config.js}:/cryptpad/config/config.js" ]; + environment = { + CPAD_MAIN_DOMAIN = "notes.purrfect.estate"; + CPAD_SANDBOX_DOMAIN = "notes-sandbox.purrfect.estate"; + CPAD_REALIP_HEADER = "X-Forwarded-For"; + CPAD_REALIP_RECURSIVE = "on"; + CPAD_TRUSTED_PROXY = "0.0.0.0/0"; + CPAD_HTTP2_DISABLE = "true"; + }; + ports = [ "9005:80" ]; }; }