From 63d6e6dfc35e6d82c4a64f37c408794c163becd4 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Wed, 28 Sep 2011 15:16:41 -0400
Subject: [PATCH] Bump versions to 0.6 stable

---
 program/include/rcmail.php |  150 +++++++++++++++++++++++++++++++++++--------------
 1 files changed, 106 insertions(+), 44 deletions(-)

diff --git a/program/include/rcmail.php b/program/include/rcmail.php
index acd661d..48c709e 100644
--- a/program/include/rcmail.php
+++ b/program/include/rcmail.php
@@ -124,6 +124,7 @@
   private $address_books = array();
   private $caches = array();
   private $action_map = array();
+  private $shutdown_functions = array();
 
 
   /**
@@ -335,36 +336,58 @@
       }
 
       $this->memcache = new Memcache;
-      $mc_available = 0;
+      $this->mc_available = 0;
+      
+      // add alll configured hosts to pool
+      $pconnect = $this->config->get('memcache_pconnect', true);
       foreach ($this->config->get('memcache_hosts', array()) as $host) {
         list($host, $port) = explode(':', $host);
         if (!$port) $port = 11211;
-        // add server and attempt to connect if not already done yet
-        if ($this->memcache->addServer($host, $port) && !$mc_available)
-          $mc_available += intval($this->memcache->connect($host, $port));
+        $this->mc_available += intval($this->memcache->addServer($host, $port, $pconnect, 1, 1, 15, false, array($this, 'memcache_failure')));
       }
+      
+      // test connection and failover (will result in $this->mc_available == 0 on complete failure)
+      $this->memcache->increment('__CONNECTIONTEST__', 1);  // NOP if key doesn't exist
 
-      if (!$mc_available)
+      if (!$this->mc_available)
         $this->memcache = false;
     }
 
     return $this->memcache;
+  }
+  
+  /**
+   * Callback for memcache failure
+   */
+  public function memcache_failure($host, $port)
+  {
+    static $seen = array();
+    
+    // only report once
+    if (!$seen["$host:$port"]++) {
+      $this->mc_available--;
+      raise_error(array('code' => 604, 'type' => 'db',
+        'line' => __LINE__, 'file' => __FILE__,
+        'message' => "Memcache failure on host $host:$port"),
+        true, false);
+    }
   }
 
 
   /**
    * Initialize and get cache object
    *
-   * @param string $name Cache identifier
-   * @param string $type Cache type ('db', 'apc' or 'memcache')
-   * @param int    $ttl  Expiration time for cache items in seconds
+   * @param string $name   Cache identifier
+   * @param string $type   Cache type ('db', 'apc' or 'memcache')
+   * @param int    $ttl    Expiration time for cache items in seconds
+   * @param bool   $packed Enables/disables data serialization
    *
    * @return rcube_cache Cache object
    */
-  public function get_cache($name, $type='db', $ttl=0)
+  public function get_cache($name, $type='db', $ttl=0, $packed=true)
   {
     if (!isset($this->caches[$name])) {
-      $this->caches[$name] = new rcube_cache($type, $_SESSION['user_id'], $name, $ttl);
+      $this->caches[$name] = new rcube_cache($type, $_SESSION['user_id'], $name, $ttl, $packed);
     }
 
     return $this->caches[$name];
@@ -376,22 +399,24 @@
    *
    * @param string  Address book identifier
    * @param boolean True if the address book needs to be writeable
+   *
    * @return rcube_contacts Address book object
    */
   public function get_address_book($id, $writeable = false)
   {
-    $contacts = null;
+    $contacts    = null;
     $ldap_config = (array)$this->config->get('ldap_public');
-    $abook_type = strtolower($this->config->get('address_book_type'));
+    $abook_type  = strtolower($this->config->get('address_book_type'));
 
-    $plugin = $this->plugins->exec_hook('addressbook_get', array('id' => $id, 'writeable' => $writeable));
+    // 'sql' is the alias for '0' used by autocomplete
+    if ($id == 'sql')
+        $id = '0';
 
-    // plugin returned instance of a rcube_addressbook
-    if ($plugin['instance'] instanceof rcube_addressbook) {
-      $contacts = $plugin['instance'];
-    }
     // use existing instance
-    else if (isset($this->address_books[$id]) && is_a($this->address_books[$id], 'rcube_addressbook') && (!$writeable || !$this->address_books[$id]->readonly)) {
+    if (isset($this->address_books[$id]) && is_object($this->address_books[$id])
+      && is_a($this->address_books[$id], 'rcube_addressbook')
+      && (!$writeable || !$this->address_books[$id]->readonly)
+    ) {
       $contacts = $this->address_books[$id];
     }
     else if ($id && $ldap_config[$id]) {
@@ -400,17 +425,30 @@
     else if ($id === '0') {
       $contacts = new rcube_contacts($this->db, $this->user->ID);
     }
-    else if ($abook_type == 'ldap') {
-      // Use the first writable LDAP address book.
-      foreach ($ldap_config as $id => $prop) {
-        if (!$writeable || $prop['writable']) {
-          $contacts = new rcube_ldap($prop, $this->config->get('ldap_debug'), $this->config->mail_domain($_SESSION['imap_host']));
-          break;
+    else {
+      $plugin = $this->plugins->exec_hook('addressbook_get', array('id' => $id, 'writeable' => $writeable));
+
+      // plugin returned instance of a rcube_addressbook
+      if ($plugin['instance'] instanceof rcube_addressbook) {
+        $contacts = $plugin['instance'];
+      }
+      // get first source from the list
+      else if (!$id) {
+        $source = reset($this->get_address_sources($writeable));
+        if (!empty($source)) {
+          $contacts = $this->get_address_book($source['id']);
+          if ($contacts)
+            $id = $source['id'];
         }
       }
     }
-    else { // $id == 'sql'
-      $contacts = new rcube_contacts($this->db, $this->user->ID);
+
+    if (!$contacts) {
+      raise_error(array(
+        'code' => 700, 'type' => 'php',
+        'file' => __FILE__, 'line' => __LINE__,
+        'message' => "Addressbook source ($id) not found!"),
+        true, true);
     }
 
     // add to the 'books' array for shutdown function
@@ -425,6 +463,7 @@
    * Return address books list
    *
    * @param boolean True if the address book needs to be writeable
+   *
    * @return array  Address books array
    */
   public function get_address_sources($writeable = false)
@@ -439,9 +478,9 @@
       if (!isset($this->address_books['0']))
         $this->address_books['0'] = new rcube_contacts($this->db, $this->user->ID);
       $list['0'] = array(
-        'id' => '0',
-        'name' => rcube_label('personaladrbook'),
-        'groups' => $this->address_books['0']->groups,
+        'id'       => '0',
+        'name'     => rcube_label('personaladrbook'),
+        'groups'   => $this->address_books['0']->groups,
         'readonly' => $this->address_books['0']->readonly,
         'autocomplete' => in_array('sql', $autocomplete)
       );
@@ -451,11 +490,12 @@
       $ldap_config = (array) $ldap_config;
       foreach ($ldap_config as $id => $prop)
         $list[$id] = array(
-          'id' => $id,
-          'name' => $prop['name'],
-          'groups' => is_array($prop['groups']),
+          'id'       => $id,
+          'name'     => $prop['name'],
+          'groups'   => is_array($prop['groups']),
           'readonly' => !$prop['writable'],
-          'autocomplete' => in_array('sql', $autocomplete)
+          'hidden'   => $prop['hidden'],
+          'autocomplete' => in_array($id, $autocomplete)
         );
     }
 
@@ -504,7 +544,7 @@
     $this->output->set_env('comm_path', $this->comm_path);
     $this->output->set_charset(RCMAIL_CHARSET);
 
-    // add some basic label to client
+    // add some basic labels to client
     $this->output->add_label('loading', 'servererror');
 
     return $this->output;
@@ -815,13 +855,17 @@
     else if ($config['auto_create_user']) {
       if ($created = rcube_user::create($username, $host)) {
         $user = $created;
+
+        // fix default settings according to namespace prefix
+        $this->fix_namespace_settings($user);
+
         // create default folders on first login
         if ($config['create_default_folders'])
           $this->imap->create_default_folders();
       }
       else {
         raise_error(array(
-          'code' => 600, 'type' => 'php',
+          'code' => 620, 'type' => 'php',
           'file' => __FILE__, 'line' => __LINE__,
           'message' => "Failed to create a user record. Maybe aborted by a plugin?"
           ), true, false);
@@ -829,9 +873,9 @@
     }
     else {
       raise_error(array(
-        'code' => 600, 'type' => 'php',
+        'code' => 621, 'type' => 'php',
         'file' => __FILE__, 'line' => __LINE__,
-        'message' => "Acces denied for new user $username. 'auto_create_user' is disabled"
+        'message' => "Access denied for new user $username. 'auto_create_user' is disabled"
         ), true, false);
     }
 
@@ -1125,6 +1169,11 @@
     if ($config['logout_expunge']) {
       $this->imap->expunge('INBOX');
     }
+
+    // Try to save unsaved user preferences
+    if (!empty($_SESSION['preferences'])) {
+      $this->user->save_prefs(unserialize($_SESSION['preferences']));
+    }
   }
 
 
@@ -1134,13 +1183,14 @@
    */
   public function shutdown()
   {
+    foreach ($this->shutdown_functions as $function)
+      call_user_func($function);
+
     if (is_object($this->smtp))
       $this->smtp->disconnect();
 
     foreach ($this->address_books as $book) {
-      if (!is_object($book))  // maybe an address book instance wasn't fetched using get_address_book() yet
-        $book = $this->get_address_book($book['id']);
-      if (is_a($book, 'rcube_addressbook'))
+      if (is_object($book) && is_a($book, 'rcube_addressbook'))
         $book->close();
     }
 
@@ -1153,7 +1203,7 @@
       $this->imap->close();
 
     // before closing the database connection, write session data
-    if ($_SERVER['REMOTE_ADDR']) {
+    if ($_SERVER['REMOTE_ADDR'] && is_object($this->session)) {
       $this->session->cleanup();
       session_write_close();
     }
@@ -1171,6 +1221,19 @@
       else
         console($log);
     }
+  }
+
+
+  /**
+   * Registers shutdown function to be executed on shutdown.
+   * The functions will be executed before destroying any
+   * objects like smtp, imap, session, etc.
+   *
+   * @param callback Function callback
+   */
+  public function add_shutdown_function($function)
+  {
+    $this->shutdown_functions[] = $function;
   }
 
 
@@ -1365,9 +1428,8 @@
 
     $url = './';
     $delm = '?';
-    foreach (array_reverse($p) as $key => $val)
-    {
-      if (!empty($val)) {
+    foreach (array_reverse($p) as $key => $val) {
+      if ($val !== '') {
         $par = $key[0] == '_' ? $key : '_'.$key;
         $url .= $delm.urlencode($par).'='.urlencode($val);
         $delm = '&';

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