From bf67d60e435a6f01b835a0d5afb9737f81560433 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Fri, 23 Apr 2010 08:25:44 -0400
Subject: [PATCH] - Skip session initialization/configuration if session is initialized already (e.g. using Installer)

---
 installer/rcube_install.php |  302 ++++++++++++++++++++++++++++++++++++++++---------
 1 files changed, 245 insertions(+), 57 deletions(-)

diff --git a/installer/rcube_install.php b/installer/rcube_install.php
index 21e353c..ae568d2 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, RoundCube Dev. - Switzerland                      |
+ | Copyright (C) 2008-2009, RoundCube Dev. - Switzerland                 |
  | Licensed under the GNU Public License                                 |
  +-----------------------------------------------------------------------+
 
@@ -30,19 +30,18 @@
   var $configured = false;
   var $last_error = null;
   var $email_pattern = '([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9])';
-  var $config_props = array();
+  var $bool_config_props = array();
 
   var $obsolete_config = array('db_backend');
-  var $replaced_config = array('skin_path' => 'skin', 'locale_string' => 'language');
+  var $replaced_config = array(
+    'skin_path' => 'skin',
+    'locale_string' => 'language',
+    'multiple_identities' => 'identities_level',
+    'addrbook_show_images' => 'show_images',
+  );
   
-  // these config options are optional or can be set to null
-  var $optional_config = array(
-    'log_driver', 'syslog_id', 'syslog_facility', 'imap_auth_type',
-    'smtp_helo_host', 'sendmail_delay', 'double_auth', 'language',
-    'mail_header_delimiter', 'create_default_folders',
-    'quota_zero_as_unlimited', 'spellcheck_uri', 'spellcheck_languages',
-    'http_received_header', 'session_domain', 'mime_magic', 'log_logins',
-    'enable_installer', 'skin_include_php');
+  // these config options are required for a working system
+  var $required_config = array('db_dsnw', 'db_table_contactgroups', 'db_table_contactgroupmembers', 'des_key');
   
   /**
    * Constructor
@@ -130,13 +129,13 @@
    */
   function create_config($which, $force = false)
   {
-    $out = file_get_contents("../config/{$which}.inc.php.dist");
+    $out = @file_get_contents(RCMAIL_CONFIG_DIR . "/{$which}.inc.php.dist");
     
     if (!$out)
-      return '[Warning: could not read the template file]';
+      return '[Warning: could not read the config template file]';
 
     foreach ($this->config as $prop => $default) {
-      $value = (isset($_POST["_$prop"]) || $this->config_props[$prop]) ? $_POST["_$prop"] : $default;
+      $value = (isset($_POST["_$prop"]) || $this->bool_config_props[$prop]) ? $_POST["_$prop"] : $default;
       
       // convert some form data
       if ($prop == 'debug_level') {
@@ -170,6 +169,18 @@
       else if ($prop == 'smtp_pass' && !empty($_POST['_smtp_user_u'])) {
         $value = '%p';
       }
+      else if ($prop == 'default_imap_folders'){
+	$value = Array();
+	foreach($this->config['default_imap_folders'] as $_folder){
+	  switch($_folder) {
+	  case 'Drafts': $_folder = $this->config['drafts_mbox']; break;
+	  case 'Sent':   $_folder = $this->config['sent_mbox']; break;
+	  case 'Junk':   $_folder = $this->config['junk_mbox']; break;
+	  case 'Trash':  $_folder = $this->config['trash_mbox']; break;
+          }
+	  if (!in_array($_folder, $value))  $value[] = $_folder;
+        }
+      }
       else if (is_bool($default)) {
         $value = (bool)$value;
       }
@@ -187,7 +198,7 @@
       // replace the matching line in config file
       $out = preg_replace(
         '/(\$rcmail_config\[\''.preg_quote($prop).'\'\])\s+=\s+(.+);/Uie',
-        "'\\1 = ' . var_export(\$value, true) . ';'",
+        "'\\1 = ' . rcube_install::_dump_var(\$value) . ';'",
         $out);
     }
 
@@ -212,9 +223,9 @@
       return null;
     
     $out = $seen = array();
-    $optional = array_flip($this->optional_config);
+    $required = array_flip($this->required_config);
     
-    // ireate over the current configuration
+    // iterate over the current configuration
     foreach ($this->config as $prop => $value) {
       if ($replacement = $this->replaced_config[$prop]) {
         $out['replaced'][] = array('prop' => $prop, 'replacement' => $replacement);
@@ -228,8 +239,43 @@
     
     // iterate over default config
     foreach ($defaults as $prop => $value) {
-      if (!$seen[$prop] && !isset($this->config[$prop]) && !isset($optional[$prop]))
+      if (!isset($seen[$prop]) && !isset($this->config[$prop]) && isset($required[$prop]))
         $out['missing'][] = array('prop' => $prop);
+    }
+
+    // check config dependencies and contradictions
+    if ($this->config['enable_spellcheck'] && $this->config['spellcheck_engine'] == 'pspell') {
+      if (!extension_loaded('pspell')) {
+        $out['dependencies'][] = array('prop' => 'spellcheck_engine',
+          'explain' => 'This requires the <tt>pspell</tt> extension which could not be loaded.');
+      }
+      else if (!empty($this->config['spellcheck_languages'])) {
+        foreach ($this->config['spellcheck_languages'] as $lang => $descr)
+          if (!pspell_new($lang))
+            $out['dependencies'][] = array('prop' => 'spellcheck_languages',
+              'explain' => "You are missing pspell support for language $lang ($descr)");
+      }
+    }
+    
+    if ($this->config['log_driver'] == 'syslog') {
+      if (!function_exists('openlog')) {
+        $out['dependencies'][] = array('prop' => 'log_driver',
+          'explain' => 'This requires the <tt>sylog</tt> extension which could not be loaded.');
+      }
+      if (empty($this->config['syslog_id'])) {
+        $out['dependencies'][] = array('prop' => 'syslog_id',
+          'explain' => 'Using <tt>syslog</tt> for logging requires a syslog ID to be configured');
+      }
+    }
+    
+    // check ldap_public sources having global_search enabled
+    if (is_array($this->config['ldap_public']) && !is_array($this->config['autocomplete_addressbooks'])) {
+      foreach ($this->config['ldap_public'] as $ldap_public) {
+        if ($ldap_public['global_search']) {
+          $out['replaced'][] = array('prop' => 'ldap_public::global_search', 'replacement' => 'autocomplete_addressbooks');
+          break;
+        }
+      }
     }
     
     return $out;
@@ -250,6 +296,8 @@
       if (isset($current[$prop])) {
         if ($prop == 'skin_path')
           $this->config[$replacement] = preg_replace('#skins/(\w+)/?$#', '\\1', $current[$prop]);
+        else if ($prop == 'multiple_identities')
+          $this->config[$replacement] = $current[$prop] ? 2 : 0;
         else
           $this->config[$replacement] = $current[$prop];
         
@@ -260,7 +308,137 @@
       unset($current[$prop]);
     }
     
-    $this->config  = array_merge($current, $this->config);
+    // add all ldap_public sources having global_search enabled to autocomplete_addressbooks
+    if (is_array($current['ldap_public'])) {
+      foreach ($current['ldap_public'] as $key => $ldap_public) {
+        if ($ldap_public['global_search']) {
+          $this->config['autocomplete_addressbooks'][] = $key;
+          unset($current['ldap_public'][$key]['global_search']);
+        }
+      }
+    }
+    
+    $this->config  = array_merge($this->config, $current);
+    
+    foreach ((array)$current['ldap_public'] as $key => $values) {
+      $this->config['ldap_public'][$key] = $current['ldap_public'][$key];
+    }
+  }
+  
+  /**
+   * Compare the local database schema with the reference schema
+   * required for this version of RoundCube
+   *
+   * @param boolean True if the schema schould be updated
+   * @return boolean True if the schema is up-to-date, false if not or an error occured
+   */
+  function db_schema_check($DB, $update = false)
+  {
+    if (!$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(),
+    );
+    
+    $errors = array();
+    
+    // check list of tables
+    $existing_tables = $DB->list_tables();
+    foreach ($db_schema as $table => $cols) {
+      if (!in_array($this->config['db_table_'.$table], $existing_tables))
+        $errors[] = "Missing table ".$table;
+      
+      // TODO: check cols and indices
+    }
+    
+    return !empty($errors) ? $errors : false;
+  }
+  
+  /**
+   * Compare the local database schema with the reference schema
+   * required for this version of RoundCube
+   *
+   * @param boolean True if the schema schould be updated
+   * @return boolean True if the schema is up-to-date, false if not or an error occured
+   */
+  function mdb2_schema_check($update = false)
+  {
+    if (!$this->configured)
+      return false;
+    
+    $options = array(
+      'use_transactions' => false,
+      'log_line_break' => "\n",
+      'idxname_format' => '%s',
+      'debug' => false,
+      'quote_identifier' => true,
+      'force_defaults' => false,
+      'portability' => true
+    );
+    
+    $dsnw = $this->config['db_dsnw'];
+    $schema = MDB2_Schema::factory($dsnw, $options);
+    $schema->db->supported['transactions'] = false;
+    
+    if (PEAR::isError($schema)) {
+      $this->raise_error(array('code' => $schema->getCode(), 'message' => $schema->getMessage() . ' ' . $schema->getUserInfo()));
+      return false;
+    }
+    else {
+      $definition = $schema->getDefinitionFromDatabase();
+      $definition['charset'] = 'utf8';
+      
+      if (PEAR::isError($definition)) {
+        $this->raise_error(array('code' => $definition->getCode(), 'message' => $definition->getMessage() . ' ' . $definition->getUserInfo()));
+        return false;
+      }
+      
+      // load reference schema
+      $dsn_arr = MDB2::parseDSN($this->config['db_dsnw']);
+
+      $ref_schema = INSTALL_PATH . 'SQL/' . $dsn_arr['phptype'] . '.schema.xml';
+      
+      if (is_readable($ref_schema)) {
+        $reference = $schema->parseDatabaseDefinition($ref_schema, false, array(), $schema->options['fail_on_invalid_names']);
+        
+        if (PEAR::isError($reference)) {
+          $this->raise_error(array('code' => $reference->getCode(), 'message' => $reference->getMessage() . ' ' . $reference->getUserInfo()));
+        }
+        else {
+          $diff = $schema->compareDefinitions($reference, $definition);
+          
+          if (empty($diff)) {
+            return true;
+          }
+          else if ($update) {
+            // update database schema with the diff from the above check
+            $success = $schema->alterDatabase($reference, $definition, $diff);
+            
+            if (PEAR::isError($success)) {
+              $this->raise_error(array('code' => $success->getCode(), 'message' => $success->getMessage() . ' ' . $success->getUserInfo()));
+            }
+            else
+              return true;
+          }
+          echo '<pre>'; var_dump($diff); echo '</pre>';
+          return false;
+        }
+      }
+      else
+        $this->raise_error(array('message' => "Could not find reference schema file ($ref_schema)"));
+        return false;
+    }
+    
+    return false;
   }
   
   
@@ -321,6 +499,20 @@
     echo Q($name) . ':&nbsp; <span class="fail">NOT OK</span>';
     $this->_showhint($message, $url);
   }
+
+
+  /**
+   * Display an error status for optional settings/features
+   *
+   * @param string Test name
+   * @param string Error message
+   * @param string URL for details
+   */
+  function optfail($name, $message = '', $url = '')
+  {
+    echo Q($name) . ':&nbsp; <span class="na">NOT OK</span>';
+    $this->_showhint($message, $url);
+  }
   
   
   /**
@@ -349,15 +541,43 @@
   }
   
   
-  function _clean_array($arr)
+  static function _clean_array($arr)
   {
     $out = array();
     
-    foreach (array_unique($arr) as $i => $val)
-      if (!empty($val))
-        $out[] = $val;
+    foreach (array_unique($arr) as $k => $val) {
+      if (!empty($val)) {
+        if (is_numeric($k))
+          $out[] = $val;
+        else
+          $out[$k] = $val;
+      }
+    }
     
     return $out;
+  }
+  
+  
+  static function _dump_var($var) {
+    if (is_array($var)) {
+      if (empty($var)) {
+        return 'array()';
+      }
+      else {  // check if all keys are numeric
+        $isnum = true;
+        foreach ($var as $key => $value) {
+          if (!is_numeric($key)) {
+            $isnum = false;
+            break;
+          }
+        }
+        
+        if ($isnum)
+          return 'array(' . join(', ', array_map(array('rcube_install', '_dump_var'), $var)) . ')';
+      }
+    }
+    
+    return var_export($var, true);
   }
   
   
@@ -372,26 +592,16 @@
     $db_map = array('pgsql' => 'postgres', 'mysqli' => 'mysql');
     $engine = isset($db_map[$DB->db_provider]) ? $db_map[$DB->db_provider] : $DB->db_provider;
     
-    // find out db version
-    if ($engine == 'mysql') {
-      $DB->query('SELECT VERSION() AS version');
-      $sql_arr = $DB->fetch_assoc();
-      $version = floatval($sql_arr['version']);
-      
-      if ($version >= 4.1)
-        $engine = 'mysql5';
-    }
-    
     // 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 (eregi('^--', $line))
+        if (preg_match('/^--/', $line))
           continue;
           
         $buff .= $line . "\n";
-        if (eregi(';$', trim($line))) {
+        if (preg_match('/;$/', trim($line))) {
           $DB->query($buff);
           $buff = '';
           if ($this->get_error())
@@ -439,27 +649,5 @@
     return $out;
   }
   
-}
-
-
-/**
- * Shortcut function for htmlentities()
- *
- * @param string String to quote
- * @return string The html-encoded string
- */
-function Q($string)
-{
-  return htmlentities($string);
-}
-
-
-/**
- * Fake rinternal error handler to catch errors
- */
-function raise_error($p)
-{
-  $rci = rcube_install::get_instance();
-  $rci->raise_error($p);
 }
 

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