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cryptpad/README.install

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# =================
# - Install Cryptad on Debian 9 (stretch)
# =================
# - See:
# - https://blog.cavebeat.org/2017/07/cryptpad-installation-on-debian-stretch/
# -
# - See also:
# - git repository: https://github.com/xwiki-labs/cryptpad
# - installation guide: https://github.com/xwiki-labs/cryptpad/wiki/Installation-guide
# -
cryptpad_url=cpad-01.oopen.de
# bei vorgeschalteter authentifizierung funktioniert
# eine *extra* sandbox url nicht. in diesem falle die gleiche
# adresse nehmen wie für die hautp seite
#
#cryptpad_sandbox_url=cpadsb-01.oopen.de
cryptpad_sandbox_url="$cryptpad_url"
# ----------
# - Pre-requisites
# ----------
# - Install curl, git
# -
apt-get install curl git-core
# - Install Python
# -
apt-get install python-minimal python
# - Install compiler stuff
# -
# - apt-get install -y g++ g++-multilib gcc gcc-multilib cpp \
# - make automake autoconf libtool flex bison \
# - gettext pkg-config gnu-standards \
# - libssl-dev libreadline-dev libncurses-dev
# -
apt-get install gcc g++ make
# ---
# - Install Nginx webservice
# ---
apt-get install nginx
# - Generate Diffie-Hellman parameter for DHE ciphersuites, recommended 2048 bits
# -
mkdir /etc/nginx/ssl
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048
# - Create nginx configuration for CryptPad
# -
cat <<EOF > /etc/nginx/sites-available/cpad-01.oopen.de.conf
# -- $cryptpad_url
server {
listen 80;
listen [::]:80;
server_name $cryptpad_url;
return 301 https://\$server_name\$request_uri;
}
server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
# CryptPad serves static assets over these two domains.
# \`main_domain\` is what users will enter in their address bar.
# Privileged computation such as key management is handled in this scope
# UI content is loaded via the \`sandbox_domain\`.
# "Content Security Policy" headers prevent content loaded via the sandbox
# from accessing privileged information.
# These variables must be different to take advantage of CryptPad's sandboxing techniques.
# In the event of an XSS vulnerability in CryptPad's front-end code
# this will limit the amount of information accessible to attackers.
set \$main_domain "$cryptpad_url";
set \$sandbox_domain "$cryptpad_url";
# 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 $main_domain
# If you do, they'll be added as exceptions to any rules which block connections to remote domains.
set \$api_domain "$cryptpad_url";
set \$files_domain "$cryptpad_url";
server_name $cryptpad_url $cryptpad_sandbox_url;
ssl_certificate /var/lib/dehydrated/certs/$cryptpad_url/fullchain.pem;
ssl_certificate_key /var/lib/dehydrated/certs/$cryptpad_url/privkey.pem;
ssl_trusted_certificate /var/lib/dehydrated/certs/$cryptpad_url/chain.pem;
# - Needed for (automated) updating certificate
# -
include snippets/letsencrypt-acme-challenge.conf;
# Diffie-Hellman parameter for DHE ciphersuites, recommended 2048 bits
#
# To generate a dhparam.pem file, run in a terminal
# openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048
#
ssl_dhparam /etc/nginx/ssl/dhparam.pem;
# Speeds things up a little bit when resuming a session
ssl_session_timeout 5m;
ssl_session_cache shared:SSL_CP:5m;
# You'll need nginx 1.13.0 or better to support TLSv1.3
ssl_protocols TLSv1.2 TLSv1.3;
ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
ssl_ecdh_curve secp384r1; # Requires nginx >= 1.1.0
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 "*";
# add_header X-Frame-Options "SAMEORIGIN";
# Nginx Bad Bot Blocker Includes
#include /etc/nginx/bots.d/ddos.conf;
#include /etc/nginx/bots.d/blockbots.conf;
#if (\$allowed_country = no) {
# set \$blockreason '[geo_blocked]';
# return 403;
#}
#if ( \$bad_querystring !~* "\[OK\]" ) {
# set \$blockreason \$bad_querystring;
# return 403;
#}
#if ( \$bad_request !~* "\[OK\]" ) {
# set \$blockreason \$bad_request;
# return 403;
#}
#if ( \$bad_request_method !~* "\[OK\]" ) {
# set \$blockreason \$bad_request_method;
# return 403;
#}
# End Bad Bot Blocker Includes
set \$coop '';
if (\$uri ~ ^\/sheet\/.*\$) { set \$coop 'same-origin'; }
add_header Cross-Origin-Resource-Policy cross-origin;
add_header Cross-Origin-Opener-Policy \$coop;
add_header Cross-Origin-Embedder-Policy require-corp;
# Insert the path to your CryptPad repository root here
root /var/www/cryptpad/cryptpad;
index index.html;
error_page 404 /customize.dist/404.html;
# 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' \${main_domain}";
# connect-src restricts URLs which can be loaded using script interfaces
set \$connectSrc "'self' https://\${main_domain} \${main_domain} https://\${api_domain} blob: wss://\${api_domain} \${api_domain} \${files_domain}";
# fonts can be loaded from data-URLs or the main domain
set \$fontSrc "'self' data: \${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: \${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' \${sandbox_domain} blob:";
# specifies valid sources for loading media using video or audio
set \$mediaSrc "'self' data: * blob: \${main_domain}";
# 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 "https://\${main_domain}";
# script-src specifies valid sources for javascript, including inline handlers
set \$scriptSrc "'self' resource: \${main_domain}";
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/inner.html") { set \$unsafe 1; }
if (\$uri ~ ^\/common\/onlyoffice\/.*\/index\.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; }
# 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: \${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;";
# 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/config {
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;
}
# encrypted blobs are immutable and are thus cached for a year
location ^~ /blob/ {
if (\$request_method = 'OPTIONS') {
add_header 'Access-Control-Allow-Origin' '*';
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 Cache-Control max-age=31536000;
add_header 'Access-Control-Allow-Origin' '*';
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 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)\$ {
rewrite ^(.*)\$ \$1/ redirect;
}
# Finally, serve anything the above exceptions don't govern.
try_files /www/\$uri /www/\$uri/index.html /customize/\$uri;
}
EOF
# ---
# - Install NodeJS v6.x on Debian 9 Stretch
# ---
# - Creates the apt sources list file '/etc/apt/sources.list.d/nodesource.list' for
# - the NodeSource Node.js v6.x and also adds the NodeSource signing key to your keyring
# -
# - curl -sL https://deb.nodesource.com/setup_6.x | bash -
# -
# - Hope nodejs version 14.x will work
# -
# - nodejs 6.0 does not yet work for actuall etherpad, which ist also installed
# - on this server.
# -
curl -sL https://deb.nodesource.com/setup_14.x | bash -
apt-get update
# - Install nodejs version 6.x from repository 'deb.nodesource.com'
# -
# - Tell the apt system to install nodejs from repository deb.nodesource.com
# -
# - You should pin the external source using the origin option to assign a high
# - priority to "the external source" instead of using the release name.
# -
# - e,g: Add the following lines to your /etc/apt/preferences.d/preferences:
# -
# - Package: *
# - Pin: origin deb.nodesource.com
# - Pin-Priority: 1001
# -
if ! $(grep -E -q "^\s*Pin:\s+origin\s+deb.nodesource.com" /etc/apt/preferences.d/preferences) ; then
cat <<EOF >> /etc/apt/preferences.d/preferences
Package: *
Pin: origin deb.nodesource.com
Pin-Priority: 1001
EOF
fi
# - Verify with 'apt-cache policy nodejs'
# -
# - Output must conatin somethin liek that:
# - Installationskandidat: 6.14.4-1nodesource1
# -
apt-cache policy nodejs
# - Install nodejs..
# -
apt-get install nodejs
# - An alternative possibility:
# -
# - 1. Show versions for nodejs
# -
# - # aptitude versions nodejs
# -
# - output may looks like:
# -
# - i 6.14.4-1nodesource1 <NULL> 500
# - p 10.15.2~dfsg-2 stable 500
# -
# - 2. install nodejs 6.14.4-1nodesource1
# -
# - apt-get install nodejs=6.14.4-1nodesource1
# - ^^^^^^^^^^^^^^^^^^^^^^^^^^
# -
# - Test if installation was successfully
# -
node -v
npm -v
# ---
# - Install bower
# ---
# - Install bower (global)
# -
npm install -g bower
# ---
# - Create the user for the service:
# ---
mkdir /var/www/cryptpad
chown www-data:www-data /var/www/cryptpad
# ---
# - Install cryptpad
# ---
cd /var/www/cryptpad
# - Get cryptpad
# -
su www-data -s /bin/bash -c "git clone https://github.com/xwiki-labs/cryptpad"
cd cryptpad
# - Complete Installation of cryptpad
# -
su www-data -s /bin/bash -c "npm install"
su www-data -s /bin/bash -c "bower install"
# ---
# - Configure CryptPad
# ---
# - Create configuration file 'config.js'. (Copy the example file)
# -
# - The defaults should be good enough for most cases, but you may want to edit
# - them. We recommend you read over the example file and change the values to
# - fit your needs.
cp -a config/config.example.js config/config.js
# - Some base configuration
# -
# - adminEmail: 'admin@oopen.de',
# - ...
# - httpAddress: '::',
# - ...
# - myDomain: oopen.de,
# -
perl -i -n -p -e"s#(\s*)(adminEmail:.*)#\1// \2\n\1adminEmail: 'admin\@oopen.de',#" /var/www/cryptpad/cryptpad/config/config.js
perl -i -n -p -e"s#(\s*)(httpUnsafeOrigin:.*)#\1// \2\n\1httpUnsafeOrigin: 'https://${cryptpad_url}',#" /var/www/cryptpad/cryptpad/config/config.js
perl -i -n -p -e"s#(\s*)(/*\s*)(httpSafeOrigin:.*)#\1// \3\n\1httpSafeOrigin: 'https://${cryptpad_sandbox_url}',#" /var/www/cryptpad/cryptpad/config/config.js
perl -i -n -p -e"s#(\s*)(/*\s*)(httpAddress:.*)#\1// \3\n\1httpAddress: '::',#" /var/www/cryptpad/cryptpad/config/config.js
# - deaktivate donate Button
# -
perl -i -n -p -e"s#(\s*)(/*\s*)(removeDonateButton:.*)#\1//\3\n\1removeDonateButton: true,#" /var/www/cryptpad/cryptpad/config/config.js
# - Set storage..
# -
perl -i -n -p -e"s#(\s*)(/*\s*)(defaultStorageLimit:.*)#\1//\3\n\1defaultStorageLimit: 250 * 1024 * 1024,#" /var/www/cryptpad/cryptpad/config/config.js
# - Customizing CryptPad
# -
# - In order allow a variety of features to be changed and to allow site-specific
# - changes to CryptPad apps while still keeping the git repository pristine, this
# - directory exists to allow a set of hooks to be run.
# -
# - The server is configured to load files from the '/customize/' path
# - preferentially from 'cryptpad/customize/', and to fall back to
# - 'cryptpad/customize.dist/' if they are not found.
# -
# - If you wish to customize cryptpad, please **copy**
# - '/customize.dist/' to '/customize' and then edit it there, this way you will
# - still be able to pull from (and make pull requests to (!) the git repository.
# -
cp -a /var/www/cryptpad/cryptpad/customize.dist /var/www/cryptpad/cryptpad/customize
# - Copy 'favicon.ico' to '/var/www/cryptpad/customize/main-favicon.png'
# -
cp ~chris/favicon.ico /var/www/cryptpad/cryptpad/customize/main-favicon.png
cp ~chris/favicon.ico /var/www/cryptpad/cryptpad/customize.dist
# ---
# Systemd Unit
# ---
# - Run as daemon using systemd
# -
cat << EOF > /etc/systemd/system/cryptpad.service
[Unit]
Description=CryptPad Service
After=syslog.target network.target
Requires=nginx.service
[Service]
Type=simple
User=www-data
Group=www-data
Environment='PWD="/var/www/cryptpad/cryptpad"'
# modify to match the location of your cryptpad repository
WorkingDirectory=/var/www/cryptpad/cryptpad
ExecStart=/usr/bin/node /var/www/cryptpad/cryptpad/server.js
TimeoutSec=30
# Restart service after 10 seconds if node service crashes
RestartSec=2
Restart=always
# Output to syslog
StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=cryptpad
## Modify these two values and uncomment them if you have lots of files and get an HTTP error 500 because of that
LimitMEMLOCK=infinity
LimitNOFILE=65535
### If you want to bind CryptPad to a port below 1024 uncomment the two values below
#CapabilityBoundingSet=CAP_NET_BIND_SERVICE
#AmbientCapabilities=CAP_NET_BIND_SERVICE
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable cryptpad
# - Start cryptpad
# -
systemctl start cryptpad
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