From 25e6a0f11043537e9ea2950398f916d4db96a235 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Thu, 23 Jun 2011 13:43:44 -0400
Subject: [PATCH] - Add rcube_imap::mailbox_info()

---
 installer/rcube_install.php |  199 ++++++++++++++++++++++++++++++++++++++-----------
 1 files changed, 155 insertions(+), 44 deletions(-)

diff --git a/installer/rcube_install.php b/installer/rcube_install.php
index 69be025..c8c103a 100644
--- a/installer/rcube_install.php
+++ b/installer/rcube_install.php
@@ -5,7 +5,7 @@
  | rcube_install.php                                                     |
  |                                                                       |
  | This file is part of the Roundcube Webmail package                    |
- | Copyright (C) 2008-2009, Roundcube Dev. - Switzerland                 |
+ | Copyright (C) 2008-2009, The Roundcube Dev Team                       |
  | Licensed under the GNU Public License                                 |
  +-----------------------------------------------------------------------+
 
@@ -29,10 +29,11 @@
   var $config = array();
   var $configured = false;
   var $last_error = null;
+  var $db_map = array('pgsql' => 'postgres', 'mysqli' => 'mysql', 'sqlsrv' => 'mssql');
   var $email_pattern = '([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9])';
   var $bool_config_props = array();
 
-  var $obsolete_config = array('db_backend');
+  var $obsolete_config = array('db_backend', 'double_auth');
   var $replaced_config = array(
     'skin_path' => 'skin',
     'locale_string' => 'language',
@@ -42,7 +43,10 @@
   );
   
   // these config options are required for a working system
-  var $required_config = array('db_dsnw', 'db_table_contactgroups', 'db_table_contactgroupmembers', 'des_key');
+  var $required_config = array(
+    'db_dsnw', 'db_table_contactgroups', 'db_table_contactgroupmembers',
+    'des_key', 'session_lifetime',
+  );
   
   /**
    * Constructor
@@ -119,8 +123,8 @@
     
     return $value !== null && $value !== '' ? $value : $default;
   }
-  
-  
+
+
   /**
    * Take the default config file and replace the parameters
    * with the submitted form data
@@ -131,13 +135,14 @@
   function create_config($which, $force = false)
   {
     $out = @file_get_contents(RCMAIL_CONFIG_DIR . "/{$which}.inc.php.dist");
-    
+
     if (!$out)
       return '[Warning: could not read the config template file]';
 
     foreach ($this->config as $prop => $default) {
+
       $value = (isset($_POST["_$prop"]) || $this->bool_config_props[$prop]) ? $_POST["_$prop"] : $default;
-      
+
       // convert some form data
       if ($prop == 'debug_level') {
         $val = 0;
@@ -189,9 +194,9 @@
       else if (is_numeric($value)) {
         $value = intval($value);
       }
-      
+
       // skip this property
-      if (!$force && ($value == $default))
+      if (!$force && !$this->configured && ($value == $default))
         continue;
 
       // save change
@@ -294,7 +299,7 @@
     $this->config = array();
     $this->load_defaults();
     
-    foreach ($this->replaced_config as $prop => $replacement)
+    foreach ($this->replaced_config as $prop => $replacement) {
       if (isset($current[$prop])) {
         if ($prop == 'skin_path')
           $this->config[$replacement] = preg_replace('#skins/(\w+)/?$#', '\\1', $current[$prop]);
@@ -302,8 +307,8 @@
           $this->config[$replacement] = $current[$prop] ? 2 : 0;
         else
           $this->config[$replacement] = $current[$prop];
-        
-        unset($current[$prop]);
+      }
+      unset($current[$prop]);
     }
     
     foreach ($this->obsolete_config as $prop) {
@@ -319,6 +324,9 @@
         }
       }
     }
+    
+    if ($current['keep_alive'] && $current['session_lifetime'] < $current['keep_alive'])
+      $current['session_lifetime'] = max(10, ceil($current['keep_alive'] / 60) * 2);
     
     $this->config  = array_merge($this->config, $current);
     
@@ -339,18 +347,8 @@
     if (!$this->configured)
       return false;
     
-    // simple ad hand-made db schema
-    $db_schema = array(
-      'users' => array(),
-      'identities' => array(),
-      'contacts' => array(),
-      'contactgroups' => array(),
-      'contactgroupmembers' => array(),
-      'cache' => array(),
-      'messages' => array(),
-      'session' => array(),
-    );
-    
+    // read reference schema from mysql.initial.sql
+    $db_schema = $this->db_read_schema(INSTALL_PATH . 'SQL/mysql.initial.sql');
     $errors = array();
     
     // check list of tables
@@ -358,13 +356,43 @@
 
     foreach ($db_schema as $table => $cols) {
       $table = !empty($this->config['db_table_'.$table]) ? $this->config['db_table_'.$table] : $table;
-      if (!in_array($table, $existing_tables))
-        $errors[] = "Missing table ".$table;
-      // TODO: check cols and indices
+      if (!in_array($table, $existing_tables)) {
+        $errors[] = "Missing table '".$table."'";
+      }
+      else {  // compare cols
+        $db_cols = $DB->list_cols($table);
+        $diff = array_diff(array_keys($cols), $db_cols);
+        if (!empty($diff))
+          $errors[] = "Missing columns in table '$table': " . join(',', $diff);
+      }
     }
     
     return !empty($errors) ? $errors : false;
   }
+
+  /**
+   * Utility function to read database schema from an .sql file
+   */
+  private function db_read_schema($schemafile)
+  {
+    $lines = file($schemafile);
+    $table_block = false;
+    $schema = array();
+    foreach ($lines as $line) {
+      if (preg_match('/^\s*create table `?([a-z0-9_]+)`?/i', $line, $m)) {
+        $table_block = $m[1];
+      }
+      else if ($table_block && preg_match('/^\s*`?([a-z0-9_-]+)`?\s+([a-z]+)/', $line, $m)) {
+        $col = $m[1];
+        if (!in_array(strtoupper($col), array('PRIMARY','KEY','INDEX','UNIQUE','CONSTRAINT','REFERENCES','FOREIGN'))) {
+          $schema[$table_block][$col] = $m[2];
+        }
+      }
+    }
+    
+    return $schema;
+  }
+  
   
   /**
    * Compare the local database schema with the reference schema
@@ -474,6 +502,30 @@
     return $out;
   }
   
+  /**
+   * Create a HTML dropdown to select a previous version of Roundcube
+   */
+  function versions_select($attrib = array())
+  {
+    $select = new html_select($attrib);
+    $select->add(array('0.1-stable', '0.1.1', '0.2-alpha', '0.2-beta', '0.2-stable', '0.3-stable', '0.3.1', '0.4-beta', '0.4.2', '0.5-beta', '0.5', '0.5.1'));
+    return $select;
+  }
+  
+  /**
+   * Return a list with available subfolders of the skin directory
+   */
+  function list_skins()
+  {
+    $skins = array();
+    $skindir = INSTALL_PATH . 'skins/';
+    foreach (glob($skindir . '*') as $path) {
+      if (is_dir($path) && is_readable($path)) {
+        $skins[] = substr($path, strlen($skindir));
+      }
+    }
+    return $skins;
+  }
   
   /**
    * Display OK status
@@ -592,25 +644,12 @@
    */
   function init_db($DB)
   {
-    $db_map = array('pgsql' => 'postgres', 'mysqli' => 'mysql');
-    $engine = isset($db_map[$DB->db_provider]) ? $db_map[$DB->db_provider] : $DB->db_provider;
+    $engine = isset($this->db_map[$DB->db_provider]) ? $this->db_map[$DB->db_provider] : $DB->db_provider;
     
     // read schema file from /SQL/*
-    $fname = "../SQL/$engine.initial.sql";
-    if ($lines = @file($fname, FILE_SKIP_EMPTY_LINES)) {
-      $buff = '';
-      foreach ($lines as $i => $line) {
-        if (preg_match('/^--/', $line))
-          continue;
-          
-        $buff .= $line . "\n";
-        if (preg_match('/;$/', trim($line))) {
-          $DB->query($buff);
-          $buff = '';
-          if ($this->get_error())
-            break;
-        }
-      }
+    $fname = INSTALL_PATH . "SQL/$engine.initial.sql";
+    if ($sql = @file_get_contents($fname)) {
+      $this->exec_sql($sql, $DB);
     }
     else {
       $this->fail('DB Schema', "Cannot read the schema file: $fname");
@@ -625,6 +664,78 @@
     return true;
   }
   
+  
+  /**
+   * Update database with SQL statements from SQL/*.update.sql
+   *
+   * @param object rcube_db Database connection
+   * @param string Version to update from
+   * @return boolen True on success, False on error
+   */
+  function update_db($DB, $version)
+  {
+    $version = strtolower($version);
+    $engine = isset($this->db_map[$DB->db_provider]) ? $this->db_map[$DB->db_provider] : $DB->db_provider;
+    
+    // read schema file from /SQL/*
+    $fname = INSTALL_PATH . "SQL/$engine.update.sql";
+    if ($lines = @file($fname, FILE_SKIP_EMPTY_LINES)) {
+      $from = false; $sql = '';
+      foreach ($lines as $line) {
+        $is_comment = preg_match('/^--/', $line);
+        if (!$from && $is_comment && preg_match('/from version\s([0-9.]+[a-z-]*)/', $line, $m)) {
+          $v = strtolower($m[1]);
+          if ($v == $version || version_compare($version, $v, '<='))
+            $from = true;
+        }
+        if ($from && !$is_comment)
+          $sql .= $line. "\n";
+      }
+      
+      if ($sql)
+        $this->exec_sql($sql, $DB);
+    }
+    else {
+      $this->fail('DB Schema', "Cannot read the update file: $fname");
+      return false;
+    }
+    
+    if ($err = $this->get_error()) {
+      $this->fail('DB Schema', "Error updating database: $err");
+      return false;
+    }
+
+    return true;
+  }
+  
+  
+  /**
+   * Execute the given SQL queries on the database connection
+   *
+   * @param string SQL queries to execute
+   * @param object rcube_db Database connection
+   * @return boolen True on success, False on error
+   */
+  function exec_sql($sql, $DB)
+  {
+    $buff = '';
+    foreach (explode("\n", $sql) as $line) {
+      if (preg_match('/^--/', $line) || trim($line) == '')
+        continue;
+        
+      $buff .= $line . "\n";
+      if (preg_match('/(;|^GO)$/', trim($line))) {
+        $DB->query($buff);
+        $buff = '';
+        if ($DB->is_error())
+          break;
+      }
+    }
+    
+    return !$DB->is_error();
+  }
+  
+  
   /**
    * Handler for Roundcube errors
    */

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