98 lines
2.1 KiB
PHP
98 lines
2.1 KiB
PHP
<?php
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/**
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* This file gets included if $wgSessionsInMemcache is set in the config.
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* It redirects session handling functions to store their data in memcached
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* instead of the local filesystem. Depending on circumstances, it may also
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* be necessary to change the cookie settings to work across hostnames.
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* See: http://www.php.net/manual/en/function.session-set-save-handler.php
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*
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* @file
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* @ingroup Cache
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*/
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/**
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* Get a cache key for the given session id.
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*
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* @param $id String: session id
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* @return String: cache key
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*/
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function memsess_key( $id ) {
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return wfMemcKey( 'session', $id );
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}
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/**
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* Callback when opening a session.
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* NOP: $wgMemc should be set up already.
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*
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* @param $save_path String: path used to store session files, unused
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* @param $session_name String: session name
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* @return Boolean: success
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*/
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function memsess_open( $save_path, $session_name ) {
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return true;
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}
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/**
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* Callback when closing a session.
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* NOP.
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*
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* @return Boolean: success
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*/
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function memsess_close() {
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return true;
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}
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/**
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* Callback when reading session data.
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*
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* @param $id String: session id
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* @return Mixed: session data
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*/
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function memsess_read( $id ) {
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global $wgMemc;
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$data = $wgMemc->get( memsess_key( $id ) );
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if( ! $data ) return '';
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return $data;
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}
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/**
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* Callback when writing session data.
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*
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* @param $id String: session id
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* @param $data Mixed: session data
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* @return Boolean: success
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*/
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function memsess_write( $id, $data ) {
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global $wgMemc;
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$wgMemc->set( memsess_key( $id ), $data, 3600 );
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return true;
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}
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/**
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* Callback to destroy a session when calling session_destroy().
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*
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* @param $id String: session id
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* @return Boolean: success
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*/
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function memsess_destroy( $id ) {
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global $wgMemc;
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$wgMemc->delete( memsess_key( $id ) );
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return true;
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}
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/**
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* Callback to execute garbage collection.
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* NOP: Memcached performs garbage collection.
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*
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* @param $maxlifetime Integer: maximum session life time
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* @return Boolean: success
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*/
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function memsess_gc( $maxlifetime ) {
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return true;
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}
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function memsess_write_close() {
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session_write_close();
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}
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