From 66510e20d36cb8da4f3012ef063de7bfce9b51aa Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 09 May 2012 07:52:28 -0400
Subject: [PATCH] Merge pull request #1 from Brianetta/de-svn

---
 program/include/rcube_user.php |  352 ++++++++++++++++++++++++++++++++++++++++++++--------------
 1 files changed, 264 insertions(+), 88 deletions(-)

diff --git a/program/include/rcube_user.php b/program/include/rcube_user.php
index 6a222e2..7a00c21 100644
--- a/program/include/rcube_user.php
+++ b/program/include/rcube_user.php
@@ -5,8 +5,11 @@
  | program/include/rcube_user.inc                                        |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2005-2010, Roundcube Dev. - Switzerland                 |
- | Licensed under the GNU GPL                                            |
+ | Copyright (C) 2005-2010, The Roundcube Dev Team                       |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
  |                                                                       |
  | PURPOSE:                                                              |
  |   This class represents a system user linked and provides access      |
@@ -29,25 +32,41 @@
  */
 class rcube_user
 {
-    public $ID = null;
-    public $data = null;
-    public $language = null;
+    public $ID;
+    public $data;
+    public $language;
 
-    private $db = null;
+    /**
+     * Holds database connection.
+     *
+     * @var rcube_mdb2
+     */
+    private $db;
 
+    /**
+     * Framework object.
+     *
+     * @var rcube
+     */
+    private $rc;
+
+    const SEARCH_ADDRESSBOOK = 1;
+    const SEARCH_MAIL = 2;
 
     /**
      * Object constructor
      *
-     * @param object DB Database connection
+     * @param int   $id      User id
+     * @param array $sql_arr SQL result set
      */
     function __construct($id = null, $sql_arr = null)
     {
-        $this->db = rcmail::get_instance()->get_dbh();
-    
+        $this->rc = rcube::get_instance();
+        $this->db = $this->rc->get_dbh();
+
         if ($id && !$sql_arr) {
             $sql_result = $this->db->query(
-                "SELECT * FROM ".get_table_name('users')." WHERE user_id = ?", $id);
+                "SELECT * FROM ".$this->db->table_name('users')." WHERE user_id = ?", $id);
             $sql_arr = $this->db->fetch_assoc($sql_result);
         }
 
@@ -62,7 +81,7 @@
     /**
      * Build a user name string (as e-mail address)
      *
-     * @param string Username part (empty or 'local' or 'domain')
+     * @param  string $part Username part (empty or 'local' or 'domain')
      * @return string Full user name or its part
      */
     function get_username($part = null)
@@ -76,8 +95,7 @@
             }
             // if no domain was provided...
             if (empty($domain)) {
-                $rcmail = rcmail::get_instance();
-                $domain = $rcmail->config->mail_domain($this->data['mail_host']);
+                $domain = $this->rc->config->mail_domain($this->data['mail_host']);
             }
 
             if ($part == 'domain') {
@@ -104,8 +122,25 @@
         if (!empty($this->language))
             $prefs = array('language' => $this->language);
 
-        if ($this->ID && $this->data['preferences'])
-            $prefs += (array)unserialize($this->data['preferences']);
+        if ($this->ID) {
+            // Preferences from session (write-master is unavailable)
+            if (!empty($_SESSION['preferences'])) {
+                // Check last write attempt time, try to write again (every 5 minutes)
+                if ($_SESSION['preferences_time'] < time() - 5 * 60) {
+                    $saved_prefs = unserialize($_SESSION['preferences']);
+                    $this->rc->session->remove('preferences');
+                    $this->rc->session->remove('preferences_time');
+                    $this->save_prefs($saved_prefs);
+                }
+                else {
+                    $this->data['preferences'] = $_SESSION['preferences'];
+                }
+            }
+
+            if ($this->data['preferences']) {
+                $prefs += (array)unserialize($this->data['preferences']);
+            }
+        }
 
         return $prefs;
     }
@@ -114,21 +149,21 @@
     /**
      * Write the given user prefs to the user's record
      *
-     * @param array User prefs to save
+     * @param array $a_user_prefs User prefs to save
      * @return boolean True on success, False on failure
      */
     function save_prefs($a_user_prefs)
     {
         if (!$this->ID)
             return false;
-      
-        $config = rcmail::get_instance()->config;
+
+        $config    = $this->rc->config;
         $old_prefs = (array)$this->get_prefs();
 
         // merge (partial) prefs array with existing settings
         $save_prefs = $a_user_prefs + $old_prefs;
         unset($save_prefs['language']);
-    
+
         // don't save prefs with default values if they haven't been changed yet
         foreach ($a_user_prefs as $key => $value) {
             if (!isset($old_prefs[$key]) && ($value == $config->get($key)))
@@ -138,7 +173,7 @@
         $save_prefs = serialize($save_prefs);
 
         $this->db->query(
-            "UPDATE ".get_table_name('users').
+            "UPDATE ".$this->db->table_name('users').
             " SET preferences = ?".
                 ", language = ?".
             " WHERE user_id = ?",
@@ -148,10 +183,25 @@
 
         $this->language = $_SESSION['language'];
 
-        if ($this->db->affected_rows()) {
+        // Update success
+        if ($this->db->affected_rows() !== false) {
             $config->set_user_prefs($a_user_prefs);
             $this->data['preferences'] = $save_prefs;
+
+            if (isset($_SESSION['preferences'])) {
+                $this->rc->session->remove('preferences');
+                $this->rc->session->remove('preferences_time');
+            }
             return true;
+        }
+        // Update error, but we are using replication (we have read-only DB connection)
+        // and we are storing session not in the SQL database
+        // we can store preferences in session and try to write later (see get_prefs())
+        else if ($this->db->is_replicated() && $config->get('session_storage', 'db') != 'db') {
+            $_SESSION['preferences'] = $save_prefs;
+            $_SESSION['preferences_time'] = time();
+            $config->set_user_prefs($a_user_prefs);
+            $this->data['preferences'] = $save_prefs;
         }
 
         return false;
@@ -161,7 +211,7 @@
     /**
      * Get default identity of this user
      *
-     * @param int  Identity ID. If empty, the default identity is returned
+     * @param  int   $id Identity ID. If empty, the default identity is returned
      * @return array Hash array with all cols of the identity record
      */
     function get_identity($id = null)
@@ -174,6 +224,7 @@
     /**
      * Return a list of all identities linked with this user
      *
+     * @param string $sql_add Optional WHERE clauses
      * @return array List of identities
      */
     function list_identities($sql_add = '')
@@ -181,16 +232,16 @@
         $result = array();
 
         $sql_result = $this->db->query(
-            "SELECT * FROM ".get_table_name('identities').
+            "SELECT * FROM ".$this->db->table_name('identities').
             " WHERE del <> 1 AND user_id = ?".
             ($sql_add ? " ".$sql_add : "").
             " ORDER BY ".$this->db->quoteIdentifier('standard')." DESC, name ASC, identity_id ASC",
             $this->ID);
-    
+
         while ($sql_arr = $this->db->fetch_assoc($sql_result)) {
             $result[] = $sql_arr;
         }
-    
+
         return $result;
     }
 
@@ -198,8 +249,8 @@
     /**
      * Update a specific identity record
      *
-     * @param int    Identity ID
-     * @param array  Hash array with col->value pairs to save
+     * @param int    $iid  Identity ID
+     * @param array  $data Hash array with col->value pairs to save
      * @return boolean True if saved successfully, false if nothing changed
      */
     function update_identity($iid, $data)
@@ -208,7 +259,7 @@
             return false;
 
         $query_cols = $query_params = array();
-    
+
         foreach ((array)$data as $col => $value) {
             $query_cols[]   = $this->db->quoteIdentifier($col) . ' = ?';
             $query_params[] = $value;
@@ -216,7 +267,7 @@
         $query_params[] = $iid;
         $query_params[] = $this->ID;
 
-        $sql = "UPDATE ".get_table_name('identities').
+        $sql = "UPDATE ".$this->db->table_name('identities').
             " SET changed = ".$this->db->now().", ".join(', ', $query_cols).
             " WHERE identity_id = ?".
                 " AND user_id = ?".
@@ -224,15 +275,15 @@
 
         call_user_func_array(array($this->db, 'query'),
             array_merge(array($sql), $query_params));
-    
+
         return $this->db->affected_rows();
     }
-  
-  
+
+
     /**
      * Create a new identity record linked with this user
      *
-     * @param array  Hash array with col->value pairs to save
+     * @param array $data Hash array with col->value pairs to save
      * @return int  The inserted identity ID or false on error
      */
     function insert_identity($data)
@@ -250,7 +301,7 @@
         $insert_cols[]   = 'user_id';
         $insert_values[] = $this->ID;
 
-        $sql = "INSERT INTO ".get_table_name('identities').
+        $sql = "INSERT INTO ".$this->db->table_name('identities').
             " (changed, ".join(', ', $insert_cols).")".
             " VALUES (".$this->db->now().", ".join(', ', array_pad(array(), sizeof($insert_values), '?')).")";
 
@@ -259,12 +310,12 @@
 
         return $this->db->insert_id('identities');
     }
-  
-  
+
+
     /**
      * Mark the given identity as deleted
      *
-     * @param int  Identity ID
+     * @param  int     $iid Identity ID
      * @return boolean True if deleted successfully, false if nothing changed
      */
     function delete_identity($iid)
@@ -273,7 +324,7 @@
             return false;
 
         $sql_result = $this->db->query(
-            "SELECT count(*) AS ident_count FROM ".get_table_name('identities').
+            "SELECT count(*) AS ident_count FROM ".$this->db->table_name('identities').
             " WHERE user_id = ? AND del <> 1",
             $this->ID);
 
@@ -281,10 +332,10 @@
 
         // we'll not delete last identity
         if ($sql_arr['ident_count'] <= 1)
-            return false;
-    
+            return -1;
+
         $this->db->query(
-            "UPDATE ".get_table_name('identities').
+            "UPDATE ".$this->db->table_name('identities').
             " SET del = 1, changed = ".$this->db->now().
             " WHERE user_id = ?".
                 " AND identity_id = ?",
@@ -293,18 +344,18 @@
 
         return $this->db->affected_rows();
     }
-  
-  
+
+
     /**
      * Make this identity the default one for this user
      *
-     * @param int The identity ID
+     * @param int $iid The identity ID
      */
     function set_default($iid)
     {
         if ($this->ID && $iid) {
             $this->db->query(
-                "UPDATE ".get_table_name('identities').
+                "UPDATE ".$this->db->table_name('identities').
                 " SET ".$this->db->quoteIdentifier('standard')." = '0'".
                 " WHERE user_id = ?".
                     " AND identity_id <> ?".
@@ -313,8 +364,8 @@
                 $iid);
         }
     }
-  
-  
+
+
     /**
      * Update user's last_login timestamp
      */
@@ -322,14 +373,14 @@
     {
         if ($this->ID) {
             $this->db->query(
-                "UPDATE ".get_table_name('users').
+                "UPDATE ".$this->db->table_name('users').
                 " SET last_login = ".$this->db->now().
                 " WHERE user_id = ?",
                 $this->ID);
         }
     }
-  
-  
+
+
     /**
      * Clear the saved object state
      */
@@ -338,57 +389,57 @@
         $this->ID = null;
         $this->data = null;
     }
-  
-  
+
+
     /**
      * Find a user record matching the given name and host
      *
-     * @param string IMAP user name
-     * @param string IMAP host name
-     * @return object rcube_user New user instance
+     * @param string $user IMAP user name
+     * @param string $host IMAP host name
+     * @return rcube_user New user instance
      */
     static function query($user, $host)
     {
-        $dbh = rcmail::get_instance()->get_dbh();
-    
+        $dbh = rcube::get_instance()->get_dbh();
+
         // query for matching user name
-        $query = "SELECT * FROM ".get_table_name('users')." WHERE mail_host = ? AND %s = ?";
+        $query = "SELECT * FROM ".$dbh->table_name('users')." WHERE mail_host = ? AND %s = ?";
         $sql_result = $dbh->query(sprintf($query, 'username'), $host, $user);
-    
+
         // query for matching alias
         if (!($sql_arr = $dbh->fetch_assoc($sql_result))) {
             $sql_result = $dbh->query(sprintf($query, 'alias'), $host, $user);
             $sql_arr = $dbh->fetch_assoc($sql_result);
         }
-    
+
         // user already registered -> overwrite username
         if ($sql_arr)
             return new rcube_user($sql_arr['user_id'], $sql_arr);
         else
             return false;
     }
-  
-  
+
+
     /**
      * Create a new user record and return a rcube_user instance
      *
-     * @param string IMAP user name
-     * @param string IMAP host
-     * @return object rcube_user New user instance
+     * @param string $user IMAP user name
+     * @param string $host IMAP host
+     * @return rcube_user New user instance
      */
     static function create($user, $host)
     {
         $user_name  = '';
         $user_email = '';
-        $rcmail = rcmail::get_instance();
+        $rcube = rcube::get_instance();
 
         // try to resolve user in virtuser table and file
         if ($email_list = self::user2email($user, false, true)) {
             $user_email = is_array($email_list[0]) ? $email_list[0]['email'] : $email_list[0];
         }
 
-        $data = $rcmail->plugins->exec_hook('user_create',
-	        array('user'=>$user, 'user_name'=>$user_name, 'user_email'=>$user_email));
+        $data = $rcube->plugins->exec_hook('user_create',
+	        array('user'=>$user, 'user_name'=>$user_name, 'user_email'=>$user_email, 'host'=>$host));
 
         // plugin aborted this operation
         if ($data['abort'])
@@ -397,10 +448,10 @@
         $user_name  = $data['user_name'];
         $user_email = $data['user_email'];
 
-        $dbh = $rcmail->get_dbh();
+        $dbh = $rcube->get_dbh();
 
         $dbh->query(
-            "INSERT INTO ".get_table_name('users').
+            "INSERT INTO ".$dbh->table_name('users').
             " (created, last_login, username, mail_host, alias, language)".
             " VALUES (".$dbh->now().", ".$dbh->now().", ?, ?, ?, ?)",
             strip_newlines($user),
@@ -411,9 +462,9 @@
         if ($user_id = $dbh->insert_id('users')) {
             // create rcube_user instance to make plugin hooks work
             $user_instance = new rcube_user($user_id);
-            $rcmail->user  = $user_instance;
+            $rcube->user   = $user_instance;
 
-            $mail_domain = $rcmail->config->mail_domain($host);
+            $mail_domain = $rcube->config->mail_domain($host);
 
             if ($user_email == '') {
                 $user_email = strpos($user, '@') ? $user : sprintf('%s@%s', $user, $mail_domain);
@@ -425,7 +476,7 @@
             if (empty($email_list))
                 $email_list[] = strip_newlines($user_email);
             // identities_level check
-            else if (count($email_list) > 1 && $rcmail->config->get('identities_level', 0) > 1)
+            else if (count($email_list) > 1 && $rcube->config->get('identities_level', 0) > 1)
                 $email_list = array($email_list[0]);
 
             // create new identities records
@@ -446,38 +497,38 @@
                 $record['user_id'] = $user_id;
                 $record['standard'] = $standard;
 
-                $plugin = $rcmail->plugins->exec_hook('identity_create',
+                $plugin = $rcube->plugins->exec_hook('identity_create',
 	                array('login' => true, 'record' => $record));
-          
+
                 if (!$plugin['abort'] && $plugin['record']['email']) {
-                    $rcmail->user->insert_identity($plugin['record']);
+                    $rcube->user->insert_identity($plugin['record']);
                 }
                 $standard = 0;
             }
         }
         else {
-            raise_error(array(
+            rcube::raise_error(array(
                 'code' => 500,
                 'type' => 'php',
                 'line' => __LINE__,
                 'file' => __FILE__,
                 'message' => "Failed to create new user"), true, false);
         }
-    
+
         return $user_id ? $user_instance : false;
     }
-  
-  
+
+
     /**
      * Resolve username using a virtuser plugins
      *
-     * @param string E-mail address to resolve
+     * @param string $email E-mail address to resolve
      * @return string Resolved IMAP username
      */
     static function email2user($email)
     {
-        $rcmail = rcmail::get_instance();
-        $plugin = $rcmail->plugins->exec_hook('email2user',
+        $rcube = rcube::get_instance();
+        $plugin = $rcube->plugins->exec_hook('email2user',
             array('email' => $email, 'user' => NULL));
 
         return $plugin['user'];
@@ -487,19 +538,144 @@
     /**
      * Resolve e-mail address from virtuser plugins
      *
-     * @param string User name
-     * @param boolean If true returns first found entry
-     * @param boolean If true returns email as array (email and name for identity)
+     * @param string $user User name
+     * @param boolean $first If true returns first found entry
+     * @param boolean $extended If true returns email as array (email and name for identity)
      * @return mixed Resolved e-mail address string or array of strings
      */
     static function user2email($user, $first=true, $extended=false)
     {
-        $rcmail = rcmail::get_instance();
-        $plugin = $rcmail->plugins->exec_hook('user2email',
+        $rcube = rcube::get_instance();
+        $plugin = $rcube->plugins->exec_hook('user2email',
             array('email' => NULL, 'user' => $user,
                 'first' => $first, 'extended' => $extended));
 
         return empty($plugin['email']) ? NULL : $plugin['email'];
     }
 
+
+    /**
+     * Return a list of saved searches linked with this user
+     *
+     * @param int  $type  Search type
+     *
+     * @return array List of saved searches indexed by search ID
+     */
+    function list_searches($type)
+    {
+        $plugin = $this->rc->plugins->exec_hook('saved_search_list', array('type' => $type));
+
+        if ($plugin['abort']) {
+            return (array) $plugin['result'];
+        }
+
+        $result = array();
+
+        $sql_result = $this->db->query(
+            "SELECT search_id AS id, ".$this->db->quoteIdentifier('name')
+            ." FROM ".$this->db->table_name('searches')
+            ." WHERE user_id = ?"
+                ." AND ".$this->db->quoteIdentifier('type')." = ?"
+            ." ORDER BY ".$this->db->quoteIdentifier('name'),
+            (int) $this->ID, (int) $type);
+
+        while ($sql_arr = $this->db->fetch_assoc($sql_result)) {
+            $sql_arr['data'] = unserialize($sql_arr['data']);
+            $result[$sql_arr['id']] = $sql_arr;
+        }
+
+        return $result;
+    }
+
+
+    /**
+     * Return saved search data.
+     *
+     * @param int  $id  Row identifier
+     *
+     * @return array Data
+     */
+    function get_search($id)
+    {
+        $plugin = $this->rc->plugins->exec_hook('saved_search_get', array('id' => $id));
+
+        if ($plugin['abort']) {
+            return $plugin['result'];
+        }
+
+        $sql_result = $this->db->query(
+            "SELECT ".$this->db->quoteIdentifier('name')
+                .", ".$this->db->quoteIdentifier('data')
+                .", ".$this->db->quoteIdentifier('type')
+            ." FROM ".$this->db->table_name('searches')
+            ." WHERE user_id = ?"
+                ." AND search_id = ?",
+            (int) $this->ID, (int) $id);
+
+        while ($sql_arr = $this->db->fetch_assoc($sql_result)) {
+            return array(
+                'id'   => $id,
+                'name' => $sql_arr['name'],
+                'type' => $sql_arr['type'],
+                'data' => unserialize($sql_arr['data']),
+            );
+        }
+
+        return null;
+    }
+
+
+    /**
+     * Deletes given saved search record
+     *
+     * @param  int  $sid  Search ID
+     *
+     * @return boolean True if deleted successfully, false if nothing changed
+     */
+    function delete_search($sid)
+    {
+        if (!$this->ID)
+            return false;
+
+        $this->db->query(
+            "DELETE FROM ".$this->db->table_name('searches')
+            ." WHERE user_id = ?"
+                ." AND search_id = ?",
+            (int) $this->ID, $sid);
+
+        return $this->db->affected_rows();
+    }
+
+
+    /**
+     * Create a new saved search record linked with this user
+     *
+     * @param array $data Hash array with col->value pairs to save
+     *
+     * @return int  The inserted search ID or false on error
+     */
+    function insert_search($data)
+    {
+        if (!$this->ID)
+            return false;
+
+        $insert_cols[]   = 'user_id';
+        $insert_values[] = (int) $this->ID;
+        $insert_cols[]   = $this->db->quoteIdentifier('type');
+        $insert_values[] = (int) $data['type'];
+        $insert_cols[]   = $this->db->quoteIdentifier('name');
+        $insert_values[] = $data['name'];
+        $insert_cols[]   = $this->db->quoteIdentifier('data');
+        $insert_values[] = serialize($data['data']);
+
+        $sql = "INSERT INTO ".$this->db->table_name('searches')
+            ." (".join(', ', $insert_cols).")"
+            ." VALUES (".join(', ', array_pad(array(), sizeof($insert_values), '?')).")";
+
+        call_user_func_array(array($this->db, 'query'),
+            array_merge(array($sql), $insert_values));
+
+        return $this->db->insert_id('searches');
+    }
+
 }

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