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Create small CAS server for SSO authentication

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This commit is contained in:
Josué Tille 2020-02-22 00:42:32 +01:00
parent 3271305de9
commit f9a381bf0a
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GPG key ID: 716A6C99B04194EF
8 changed files with 509 additions and 2 deletions
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11
conf/nginx.conf
View file

@ -3,4 +3,15 @@ location __PATH__ {
proxy_set_header X-Forwarded-For $remote_addr;
client_max_body_size 100M;
# Use the specific path for the php file. It's more secure than global php path
location __PATH__/cas_server.php {
alias /var/www/__APP__/;
fastcgi_split_path_info ^(.+?\.php)(/.*)$;
fastcgi_pass unix:/var/run/php5-fpm-__NAME__.sock;
include fastcgi_params;
fastcgi_param REMOTE_USER $remote_user;
fastcgi_param PATH_INFO $fastcgi_path_info;
fastcgi_param SCRIPT_FILENAME cas_server.php;
}
}

392
conf/php-fpm.conf Normal file
View file

@ -0,0 +1,392 @@
; Start a new pool named 'www'.
; the variable $pool can we used in any directive and will be replaced by the
; pool name ('www' here)
[__NAMETOCHANGE__]
; Per pool prefix
; It only applies on the following directives:
; - 'slowlog'
; - 'listen' (unixsocket)
; - 'chroot'
; - 'chdir'
; - 'php_values'
; - 'php_admin_values'
; When not set, the global prefix (or /usr) applies instead.
; Note: This directive can also be relative to the global prefix.
; Default Value: none
;prefix = /path/to/pools/$pool
; Unix user/group of processes
; Note: The user is mandatory. If the group is not set, the default user's group
; will be used.
user = matrix-__USER__
group = matrix-__USER__
; The address on which to accept FastCGI requests.
; Valid syntaxes are:
; 'ip.add.re.ss:port' - to listen on a TCP socket to a specific address on
; a specific port;
; 'port' - to listen on a TCP socket to all addresses on a
; specific port;
; '/path/to/unix/socket' - to listen on a unix socket.
; Note: This value is mandatory.
listen = /var/run/php5-fpm-__NAMETOCHANGE__.sock
; Set listen(2) backlog. A value of '-1' means unlimited.
; Default Value: 128 (-1 on FreeBSD and OpenBSD)
;listen.backlog = 128
; Set permissions for unix socket, if one is used. In Linux, read/write
; permissions must be set in order to allow connections from a web server. Many
; BSD-derived systems allow connections regardless of permissions.
; Default Values: user and group are set as the running user
; mode is set to 0660
listen.owner = www-data
listen.group = www-data
;listen.mode = 0660
; List of ipv4 addresses of FastCGI clients which are allowed to connect.
; Equivalent to the FCGI_WEB_SERVER_ADDRS environment variable in the original
; PHP FCGI (5.2.2+). Makes sense only with a tcp listening socket. Each address
; must be separated by a comma. If this value is left blank, connections will be
; accepted from any ip address.
; Default Value: any
;listen.allowed_clients = 127.0.0.1
; Specify the nice(2) priority to apply to the pool processes (only if set)
; The value can vary from -19 (highest priority) to 20 (lower priority)
; Note: - It will only work if the FPM master process is launched as root
; - The pool processes will inherit the master process priority
; unless it specified otherwise
; Default Value: no set
; priority = -19
; Choose how the process manager will control the number of child processes.
; Possible Values:
; static - a fixed number (pm.max_children) of child processes;
; dynamic - the number of child processes are set dynamically based on the
; following directives. With this process management, there will be
; always at least 1 children.
; pm.max_children - the maximum number of children that can
; be alive at the same time.
; pm.start_servers - the number of children created on startup.
; pm.min_spare_servers - the minimum number of children in 'idle'
; state (waiting to process). If the number
; of 'idle' processes is less than this
; number then some children will be created.
; pm.max_spare_servers - the maximum number of children in 'idle'
; state (waiting to process). If the number
; of 'idle' processes is greater than this
; number then some children will be killed.
; ondemand - no children are created at startup. Children will be forked when
; new requests will connect. The following parameter are used:
; pm.max_children - the maximum number of children that
; can be alive at the same time.
; pm.process_idle_timeout - The number of seconds after which
; an idle process will be killed.
; Note: This value is mandatory.
pm = dynamic
; The number of child processes to be created when pm is set to 'static' and the
; maximum number of child processes when pm is set to 'dynamic' or 'ondemand'.
; This value sets the limit on the number of simultaneous requests that will be
; served. Equivalent to the ApacheMaxClients directive with mpm_prefork.
; Equivalent to the PHP_FCGI_CHILDREN environment variable in the original PHP
; CGI. The below defaults are based on a server without much resources. Don't
; forget to tweak pm.* to fit your needs.
; Note: Used when pm is set to 'static', 'dynamic' or 'ondemand'
; Note: This value is mandatory.
pm.max_children = 5
; The number of child processes created on startup.
; Note: Used only when pm is set to 'dynamic'
; Default Value: min_spare_servers + (max_spare_servers - min_spare_servers) / 2
pm.start_servers = 1
; The desired minimum number of idle server processes.
; Note: Used only when pm is set to 'dynamic'
; Note: Mandatory when pm is set to 'dynamic'
pm.min_spare_servers = 1
; The desired maximum number of idle server processes.
; Note: Used only when pm is set to 'dynamic'
; Note: Mandatory when pm is set to 'dynamic'
pm.max_spare_servers = 2
; The number of seconds after which an idle process will be killed.
; Note: Used only when pm is set to 'ondemand'
; Default Value: 10s
;pm.process_idle_timeout = 10s;
; The number of requests each child process should execute before respawning.
; This can be useful to work around memory leaks in 3rd party libraries. For
; endless request processing specify '0'. Equivalent to PHP_FCGI_MAX_REQUESTS.
; Default Value: 0
pm.max_requests = 500
; The URI to view the FPM status page. If this value is not set, no URI will be
; recognized as a status page. It shows the following informations:
; pool - the name of the pool;
; process manager - static, dynamic or ondemand;
; start time - the date and time FPM has started;
; start since - number of seconds since FPM has started;
; accepted conn - the number of request accepted by the pool;
; listen queue - the number of request in the queue of pending
; connections (see backlog in listen(2));
; max listen queue - the maximum number of requests in the queue
; of pending connections since FPM has started;
; listen queue len - the size of the socket queue of pending connections;
; idle processes - the number of idle processes;
; active processes - the number of active processes;
; total processes - the number of idle + active processes;
; max active processes - the maximum number of active processes since FPM
; has started;
; max children reached - number of times, the process limit has been reached,
; when pm tries to start more children (works only for
; pm 'dynamic' and 'ondemand');
; Value are updated in real time.
; Example output:
; pool: www
; process manager: static
; start time: 01/Jul/2011:17:53:49 +0200
; start since: 62636
; accepted conn: 190460
; listen queue: 0
; max listen queue: 1
; listen queue len: 42
; idle processes: 4
; active processes: 11
; total processes: 15
; max active processes: 12
; max children reached: 0
;
; By default the status page output is formatted as text/plain. Passing either
; 'html', 'xml' or 'json' in the query string will return the corresponding
; output syntax. Example:
; http://www.foo.bar/status
; http://www.foo.bar/status?json
; http://www.foo.bar/status?html
; http://www.foo.bar/status?xml
;
; By default the status page only outputs short status. Passing 'full' in the
; query string will also return status for each pool process.
; Example:
; http://www.foo.bar/status?full
; http://www.foo.bar/status?json&full
; http://www.foo.bar/status?html&full
; http://www.foo.bar/status?xml&full
; The Full status returns for each process:
; pid - the PID of the process;
; state - the state of the process (Idle, Running, ...);
; start time - the date and time the process has started;
; start since - the number of seconds since the process has started;
; requests - the number of requests the process has served;
; request duration - the duration in µs of the requests;
; request method - the request method (GET, POST, ...);
; request URI - the request URI with the query string;
; content length - the content length of the request (only with POST);
; user - the user (PHP_AUTH_USER) (or '-' if not set);
; script - the main script called (or '-' if not set);
; last request cpu - the %cpu the last request consumed
; it's always 0 if the process is not in Idle state
; because CPU calculation is done when the request
; processing has terminated;
; last request memory - the max amount of memory the last request consumed
; it's always 0 if the process is not in Idle state
; because memory calculation is done when the request
; processing has terminated;
; If the process is in Idle state, then informations are related to the
; last request the process has served. Otherwise informations are related to
; the current request being served.
; Example output:
; ************************
; pid: 31330
; state: Running
; start time: 01/Jul/2011:17:53:49 +0200
; start since: 63087
; requests: 12808
; request duration: 1250261
; request method: GET
; request URI: /test_mem.php?N=10000
; content length: 0
; user: -
; script: /home/fat/web/docs/php/test_mem.php
; last request cpu: 0.00
; last request memory: 0
;
; Note: There is a real-time FPM status monitoring sample web page available
; It's available in: ${prefix}/share/fpm/status.html
;
; Note: The value must start with a leading slash (/). The value can be
; anything, but it may not be a good idea to use the .php extension or it
; may conflict with a real PHP file.
; Default Value: not set
;pm.status_path = /status
; The ping URI to call the monitoring page of FPM. If this value is not set, no
; URI will be recognized as a ping page. This could be used to test from outside
; that FPM is alive and responding, or to
; - create a graph of FPM availability (rrd or such);
; - remove a server from a group if it is not responding (load balancing);
; - trigger alerts for the operating team (24/7).
; Note: The value must start with a leading slash (/). The value can be
; anything, but it may not be a good idea to use the .php extension or it
; may conflict with a real PHP file.
; Default Value: not set
;ping.path = /ping
; This directive may be used to customize the response of a ping request. The
; response is formatted as text/plain with a 200 response code.
; Default Value: pong
;ping.response = pong
; The access log file
; Default: not set
;access.log = log/$pool.access.log
; The access log format.
; The following syntax is allowed
; %%: the '%' character
; %C: %CPU used by the request
; it can accept the following format:
; - %{user}C for user CPU only
; - %{system}C for system CPU only
; - %{total}C for user + system CPU (default)
; %d: time taken to serve the request
; it can accept the following format:
; - %{seconds}d (default)
; - %{miliseconds}d
; - %{mili}d
; - %{microseconds}d
; - %{micro}d
; %e: an environment variable (same as $_ENV or $_SERVER)
; it must be associated with embraces to specify the name of the env
; variable. Some exemples:
; - server specifics like: %{REQUEST_METHOD}e or %{SERVER_PROTOCOL}e
; - HTTP headers like: %{HTTP_HOST}e or %{HTTP_USER_AGENT}e
; %f: script filename
; %l: content-length of the request (for POST request only)
; %m: request method
; %M: peak of memory allocated by PHP
; it can accept the following format:
; - %{bytes}M (default)
; - %{kilobytes}M
; - %{kilo}M
; - %{megabytes}M
; - %{mega}M
; %n: pool name
; %o: ouput header
; it must be associated with embraces to specify the name of the header:
; - %{Content-Type}o
; - %{X-Powered-By}o
; - %{Transfert-Encoding}o
; - ....
; %p: PID of the child that serviced the request
; %P: PID of the parent of the child that serviced the request
; %q: the query string
; %Q: the '?' character if query string exists
; %r: the request URI (without the query string, see %q and %Q)
; %R: remote IP address
; %s: status (response code)
; %t: server time the request was received
; it can accept a strftime(3) format:
; %d/%b/%Y:%H:%M:%S %z (default)
; %T: time the log has been written (the request has finished)
; it can accept a strftime(3) format:
; %d/%b/%Y:%H:%M:%S %z (default)
; %u: remote user
;
; Default: "%R - %u %t \"%m %r\" %s"
;access.format = "%R - %u %t \"%m %r%Q%q\" %s %f %{mili}d %{kilo}M %C%%"
; The log file for slow requests
; Default Value: not set
; Note: slowlog is mandatory if request_slowlog_timeout is set
slowlog = /var/log/nginx/__NAMETOCHANGE__.slow.log
; The timeout for serving a single request after which a PHP backtrace will be
; dumped to the 'slowlog' file. A value of '0s' means 'off'.
; Available units: s(econds)(default), m(inutes), h(ours), or d(ays)
; Default Value: 0
request_slowlog_timeout = 5s
; The timeout for serving a single request after which the worker process will
; be killed. This option should be used when the 'max_execution_time' ini option
; does not stop script execution for some reason. A value of '0' means 'off'.
; Available units: s(econds)(default), m(inutes), h(ours), or d(ays)
; Default Value: 0
request_terminate_timeout = 1d
; Set open file descriptor rlimit.
; Default Value: system defined value
;rlimit_files = 1024
; Set max core size rlimit.
; Possible Values: 'unlimited' or an integer greater or equal to 0
; Default Value: system defined value
;rlimit_core = 0
; Chroot to this directory at the start. This value must be defined as an
; absolute path. When this value is not set, chroot is not used.
; Note: you can prefix with '$prefix' to chroot to the pool prefix or one
; of its subdirectories. If the pool prefix is not set, the global prefix
; will be used instead.
; Note: chrooting is a great security feature and should be used whenever
; possible. However, all PHP paths will be relative to the chroot
; (error_log, sessions.save_path, ...).
; Default Value: not set
;chroot =
; Chdir to this directory at the start.
; Note: relative path can be used.
; Default Value: current directory or / when chroot
chdir = /var/www/__NAMETOCHANGE__
; Redirect worker stdout and stderr into main error log. If not set, stdout and
; stderr will be redirected to /dev/null according to FastCGI specs.
; Note: on highloaded environement, this can cause some delay in the page
; process time (several ms).
; Default Value: no
catch_workers_output = yes
; Limits the extensions of the main script FPM will allow to parse. This can
; prevent configuration mistakes on the web server side. You should only limit
; FPM to .php extensions to prevent malicious users to use other extensions to
; exectute php code.
; Note: set an empty value to allow all extensions.
; Default Value: .php
;security.limit_extensions = .php .php3 .php4 .php5
; Pass environment variables like LD_LIBRARY_PATH. All $VARIABLEs are taken from
; the current environment.
; Default Value: clean env
;env[HOSTNAME] = $HOSTNAME
;env[PATH] = /usr/local/bin:/usr/bin:/bin
;env[TMP] = /tmp
;env[TMPDIR] = /tmp
;env[TEMP] = /tmp
; Additional php.ini defines, specific to this pool of workers. These settings
; overwrite the values previously defined in the php.ini. The directives are the
; same as the PHP SAPI:
; php_value/php_flag - you can set classic ini defines which can
; be overwritten from PHP call 'ini_set'.
; php_admin_value/php_admin_flag - these directives won't be overwritten by
; PHP call 'ini_set'
; For php_*flag, valid values are on, off, 1, 0, true, false, yes or no.
; Defining 'extension' will load the corresponding shared extension from
; extension_dir. Defining 'disable_functions' or 'disable_classes' will not
; overwrite previously defined php.ini values, but will append the new value
; instead.
; Note: path INI options can be relative and will be expanded with the prefix
; (pool, global or /usr)
; Default Value: nothing is defined by default except the values in php.ini and
; specified at startup with the -d argument
;php_admin_value[sendmail_path] = /usr/sbin/sendmail -t -i -f www@my.domain.com
;php_flag[display_errors] = off
;php_admin_value[error_log] = /var/log/fpm-php.www.log
;php_admin_flag[log_errors] = on
;php_admin_value[memory_limit] = 32M

3
scripts/backup
View file

@ -51,6 +51,9 @@ ynh_backup --src_path="$final_path"
#=================================================
ynh_script_progression --message="Backing up nginx web server configuration..." --weight=1
# BACKUP THE PHP-FPM CONFIGURATION
ynh_backup --src_path "/etc/php5/fpm/pool.d/$app.conf"
ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
if yunohost --output-as plain domain list | grep -q "^$server_name$"
then

19
scripts/install
View file

@ -51,6 +51,7 @@ server_name=$YNH_APP_ARG_SERVER_NAME
is_public=$YNH_APP_ARG_IS_PUBLIC
path_url="/_matrix"
final_path="/opt/yunohost/matrix-$app"
final_www_path="/var/www/$app"
if [[ "$server_name" == "$default_domain_value" ]]; then
server_name=$domain
@ -200,9 +201,21 @@ else
deactivate
fi
#=================================================
# CREATE SMALL CAS SERVER
#=================================================
# WARNING : theses command are used in INSTALL, UPGRADE
# For any update do it in all files
mkdir -p $final_www_path
cp ../sources/cas_server.php $final_www_path/
chmod u=rwX,g=rX,o= -R $final_www_path
chown $synapse_user:root -R $final_www_path
#=================================================
# CREATE SYNAPSE CONFIG
#=================================================
ynh_script_progression --message="Creating synapse config..." --weight=3
# Go in virtualenvironnement
@ -244,7 +257,11 @@ ynh_add_systemd_config --service=coturn-$app --template=coturn-synapse.service
#=================================================
ynh_script_progression --message="Configuring nginx web server..." --weight=2
ynh_add_nginx_config
# Create a dedicated php-fpm config
ynh_script_progression --message="Configuring application..."
ynh_add_fpm_config
ynh_add_nginx_config app
# Create .well-known redirection for access by federation
if yunohost --output-as plain domain list | grep -q "^$server_name$"

5
scripts/remove
View file

@ -32,6 +32,7 @@ synapse_user="matrix-$app"
synapse_db_name="matrix_$app"
synapse_db_user="matrix_$app"
upstream_version=$(ynh_app_upstream_version)
final_www_path="/var/www/$app"
#=================================================
# STANDARD REMOVE
@ -87,6 +88,7 @@ python3 ../conf/remove_sso_conf.py
ynh_script_progression --message="Removing app main directory" --weight=2
ynh_secure_remove --file=$final_path
ynh_secure_remove --file=$final_www_path
ynh_secure_remove --file=/var/lib/matrix-$app
ynh_secure_remove --file=/var/log/matrix-$app
ynh_secure_remove --file=/etc/matrix-$app
@ -102,6 +104,9 @@ ynh_script_progression --message="Removing nginx web server configuration" --wei
# Remove the dedicated nginx config
ynh_remove_nginx_config
# Remove the dedicated php-fpm config
ynh_remove_fpm_config
#=================================================
# REMOVE LOGROTATE CONFIGURATION
#=================================================

4
scripts/restore
View file

@ -48,6 +48,7 @@ synapse_user="matrix-$app"
synapse_db_name="matrix_$app"
synapse_db_user="matrix_$app"
upstream_version=$(ynh_app_upstream_version)
final_www_path="/var/www/$app"
#=================================================
# CHECK IF THE APP CAN BE RESTORED
@ -240,6 +241,8 @@ chmod u=rwX,g=rX,o= -R /etc/matrix-$app
chmod 600 /etc/matrix-$app/$server_name.signing.key
setfacl -R -m user:turnserver:rX /etc/matrix-$app
setfacl -R -m user:turnserver:rwX /var/log/matrix-$app
chmod u=rwX,g=rX,o= -R $final_www_path
chown $synapse_user:root -R $final_www_path
#=================================================
# RELOAD NGINX, SYNAPSE AND COTURN
@ -275,6 +278,7 @@ ynh_send_readme_to_admin --app_message="mail_to_send" --type="restore"
#=================================================
ynh_script_progression --message="Reloading nginx web server..."
systemctl reload php5-fpm
ynh_systemd_action --service_name=nginx --action=reload
#=================================================

18
scripts/upgrade
View file

@ -46,6 +46,7 @@ synapse_user="matrix-$app"
synapse_db_name="matrix_$app"
synapse_db_user="matrix_$app"
upstream_version=$(ynh_app_upstream_version)
final_www_path="/var/www/$app"
#=================================================
# CHECK VERSION
@ -156,6 +157,17 @@ then
fi
fi
#=================================================
# CREATE SMALL CAS SERVER
#=================================================
# WARNING : theses command are used in INSTALL, UPGRADE
# For any update do it in all files
mkdir -p $final_www_path
cp ../sources/cas_server.php $final_www_path/
chmod u=rwX,g=rX,o= -R $final_www_path
chown $synapse_user:root -R $final_www_path
#=================================================
# MIGRATION 1 : GENERATE SYNAPSE SECRET
#=================================================
@ -325,8 +337,12 @@ fi
#=================================================
ynh_script_progression --message="Upgrading nginx web server configuration..." --weight=2
# Create a dedicated php-fpm config
ynh_script_progression --message="Configuring application..."
ynh_add_fpm_config
# Create a dedicated nginx config
ynh_add_nginx_config
ynh_add_nginx_config app
# Create .well-known redirection for access by federation
if yunohost --output-as plain domain list | grep -q "^$server_name$"

59
sources/cas_server.php Normal file
View file

@ -0,0 +1,59 @@
<?php
$base_url = "/_matrix/cas_server.php";
$url = explode('?', $_SERVER['REQUEST_URI'], 2)[0];
switch ($url) {
case $base_url . "/proxyValidate":
session_id($_GET['ticket']);
session_start();
if ($_SESSION['user_authenticated']) {
?>
<cas:serviceResponse xmlns:cas="http://www.yale.edu/tp/cas">
<cas:authenticationSuccess>
<cas:user><?php echo $_SESSION['user']; ?></cas:user>
<cas:proxyGrantingTicket>PGTIOU-84678-8a9d...</cas:proxyGrantingTicket>
</cas:authenticationSuccess>
</cas:serviceResponse>
<?php
} else {
?>
<cas:serviceResponse xmlns:cas='http://www.yale.edu/tp/cas'>
<cas:authenticationFailure code="INVALID_TICKET">
ticket PT-1856376-1HMgO86Z2ZKeByc5XdYD not recognized
</cas:authenticationFailure>
</cas:serviceResponse>
<?php
}
break;
case $base_url . "/login":
$ticket = bin2hex(random_bytes(50));
session_id($ticket);
session_start();
if (array_key_exists('REMOTE_USER', $_SERVER) && strlen($_SERVER['REMOTE_USER']) > 0) {
$_SESSION['user_authenticated'] = true;
$_SESSION['user'] = $_SERVER['REMOTE_USER'];
header('Status: 302 Moved Temporarily', false, 302);
header('Location: ' . $_GET['service'] . '&ticket=' . $ticket);
} else {
echo "Authentication Fail.";
}
session_commit();
break;
case $base_url:
header('Status: 302 Moved Temporarily', false, 302);
header('Location: ' . $_GET['redirectUrl']);
break;
default:
echo "Bad URL";
}
?>