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-rw-r--r--program/include/rcmail_install.php832
1 files changed, 832 insertions, 0 deletions
diff --git a/program/include/rcmail_install.php b/program/include/rcmail_install.php
new file mode 100644
index 000000000..ca06f10b7
--- /dev/null
+++ b/program/include/rcmail_install.php
@@ -0,0 +1,832 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | rcmail_install.php |
+ | |
+ | This file is part of the Roundcube Webmail package |
+ | Copyright (C) 2008-2014, 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. |
+ +-----------------------------------------------------------------------+
+*/
+
+
+/**
+ * Class to control the installation process of the Roundcube Webmail package
+ *
+ * @category Install
+ * @package Roundcube
+ * @author Thomas Bruederli
+ */
+class rcmail_install
+{
+ var $step;
+ var $is_post = false;
+ var $failures = 0;
+ var $config = array();
+ var $configured = false;
+ var $legacy_config = false;
+ var $last_error = null;
+ var $email_pattern = '([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9])';
+ var $bool_config_props = array();
+
+ var $local_config = array('db_dsnw', 'default_host', 'support_url', 'des_key', 'plugins');
+ var $obsolete_config = array('db_backend', 'db_max_length', 'double_auth');
+ var $replaced_config = array(
+ 'skin_path' => 'skin',
+ 'locale_string' => 'language',
+ 'multiple_identities' => 'identities_level',
+ 'addrbook_show_images' => 'show_images',
+ 'imap_root' => 'imap_ns_personal',
+ 'pagesize' => 'mail_pagesize',
+ 'top_posting' => 'reply_mode',
+ 'keep_alive' => 'refresh_interval',
+ 'min_keep_alive' => 'min_refresh_interval',
+ );
+
+ // list of supported database drivers
+ var $supported_dbs = array(
+ 'MySQL' => 'pdo_mysql',
+ 'PostgreSQL' => 'pdo_pgsql',
+ 'SQLite' => 'pdo_sqlite',
+ 'SQLite (v2)' => 'pdo_sqlite2',
+ 'SQL Server (SQLSRV)' => 'pdo_sqlsrv',
+ 'SQL Server (DBLIB)' => 'pdo_dblib',
+ );
+
+
+ /**
+ * Constructor
+ */
+ function __construct()
+ {
+ $this->step = intval($_REQUEST['_step']);
+ $this->is_post = $_SERVER['REQUEST_METHOD'] == 'POST';
+ }
+
+ /**
+ * Singleton getter
+ */
+ static function get_instance()
+ {
+ static $inst;
+
+ if (!$inst)
+ $inst = new rcmail_install();
+
+ return $inst;
+ }
+
+ /**
+ * Read the local config files and store properties
+ */
+ function load_config()
+ {
+ // defaults
+ if ($config = $this->load_config_file(RCUBE_CONFIG_DIR . 'defaults.inc.php')) {
+ $this->config = (array) $config;
+ $this->defaults = $this->config;
+ }
+
+ $config = null;
+
+ // config
+ if ($config = $this->load_config_file(RCUBE_CONFIG_DIR . 'config.inc.php')) {
+ $this->config = array_merge($this->config, $config);
+ }
+ else {
+ if ($config = $this->load_config_file(RCUBE_CONFIG_DIR . 'main.inc.php')) {
+ $this->config = array_merge($this->config, $config);
+ $this->legacy_config = true;
+ }
+ if ($config = $this->load_config_file(RCUBE_CONFIG_DIR . 'db.inc.php')) {
+ $this->config = array_merge($this->config, $config);
+ $this->legacy_config = true;
+ }
+ }
+
+ $this->configured = !empty($config);
+ }
+
+ /**
+ * Read the default config file and store properties
+ */
+ public function load_config_file($file)
+ {
+ if (is_readable($file)) {
+ include $file;
+
+ // read comments from config file
+ if (function_exists('token_get_all')) {
+ $tokens = token_get_all(file_get_contents($file));
+ $in_config = false;
+ $buffer = '';
+ for ($i=0; $i < count($tokens); $i++) {
+ $token = $tokens[$i];
+ if ($token[0] == T_VARIABLE && $token[1] == '$config' || $token[1] == '$rcmail_config') {
+ $in_config = true;
+ if ($buffer && $tokens[$i+1] == '[' && $tokens[$i+2][0] == T_CONSTANT_ENCAPSED_STRING) {
+ $propname = trim($tokens[$i+2][1], "'\"");
+ $this->comments[$propname] = $buffer;
+ $buffer = '';
+ $i += 3;
+ }
+ }
+ else if ($in_config && $token[0] == T_COMMENT) {
+ $buffer .= strtr($token[1], array('\n' => "\n"));
+ }
+ }
+ }
+
+ // deprecated name of config variable
+ if (is_array($rcmail_config)) {
+ return $rcmail_config;
+ }
+
+ return $config;
+ }
+ }
+
+ /**
+ * Getter for a certain config property
+ *
+ * @param string Property name
+ * @param string Default value
+ * @return string The property value
+ */
+ function getprop($name, $default = '')
+ {
+ $value = $this->config[$name];
+
+ if ($name == 'des_key' && !$this->configured && !isset($_REQUEST["_$name"]))
+ $value = self::random_key(24);
+
+ return $value !== null && $value !== '' ? $value : $default;
+ }
+
+
+ /**
+ * Create configuration file that contains parameters
+ * that differ from default values.
+ *
+ * @return string The complete config file content
+ */
+ function create_config()
+ {
+ $config = array();
+
+ foreach ($this->config as $prop => $default) {
+ $is_default = !isset($_POST["_$prop"]);
+ $value = !$is_default || $this->bool_config_props[$prop] ? $_POST["_$prop"] : $default;
+
+ // always disable installer
+ if ($prop == 'enable_installer')
+ $value = false;
+
+ // reset useragent to default (keeps version up-to-date)
+ if ($prop == 'useragent' && stripos($value, 'Roundcube Webmail/') !== false)
+ $value = $this->defaults[$prop];
+
+ // generate new encryption key, never use the default value
+ if ($prop == 'des_key' && $value == $this->defaults[$prop])
+ $value = $this->random_key(24);
+
+ // convert some form data
+ if ($prop == 'debug_level' && !$is_default) {
+ if (is_array($value)) {
+ $val = 0;
+ foreach ($value as $dbgval)
+ $val += intval($dbgval);
+ $value = $val;
+ }
+ }
+ else if ($prop == 'db_dsnw' && !empty($_POST['_dbtype'])) {
+ if ($_POST['_dbtype'] == 'sqlite')
+ $value = sprintf('%s://%s?mode=0646', $_POST['_dbtype'], $_POST['_dbname']{0} == '/' ? '/' . $_POST['_dbname'] : $_POST['_dbname']);
+ else if ($_POST['_dbtype'])
+ $value = sprintf('%s://%s:%s@%s/%s', $_POST['_dbtype'],
+ rawurlencode($_POST['_dbuser']), rawurlencode($_POST['_dbpass']), $_POST['_dbhost'], $_POST['_dbname']);
+ }
+ else if ($prop == 'smtp_auth_type' && $value == '0') {
+ $value = '';
+ }
+ else if ($prop == 'default_host' && is_array($value)) {
+ $value = self::_clean_array($value);
+ if (count($value) <= 1)
+ $value = $value[0];
+ }
+ else if ($prop == 'mail_pagesize' || $prop == 'addressbook_pagesize') {
+ $value = max(2, intval($value));
+ }
+ else if ($prop == 'smtp_user' && !empty($_POST['_smtp_user_u'])) {
+ $value = '%u';
+ }
+ else if ($prop == 'smtp_pass' && !empty($_POST['_smtp_user_u'])) {
+ $value = '%p';
+ }
+ else if (is_bool($default)) {
+ $value = (bool)$value;
+ }
+ else if (is_numeric($value)) {
+ $value = intval($value);
+ }
+
+ // skip this property
+ if (($value == $this->defaults[$prop]) && !in_array($prop, $this->local_config)
+ || in_array($prop, array_merge($this->obsolete_config, array_keys($this->replaced_config)))
+ || preg_match('/^db_(table|sequence)_/', $prop)) {
+ continue;
+ }
+
+ // save change
+ $this->config[$prop] = $value;
+ $config[$prop] = $value;
+ }
+
+ $out = "<?php\n\n";
+ $out .= "/* Local configuration for Roundcube Webmail */\n\n";
+ foreach ($config as $prop => $value) {
+ // copy option descriptions from existing config or defaults.inc.php
+ $out .= $this->comments[$prop];
+ $out .= "\$config['$prop'] = " . self::_dump_var($value, $prop) . ";\n\n";
+ }
+
+ return $out;
+ }
+
+
+ /**
+ * save generated config file in RCUBE_CONFIG_DIR
+ *
+ * @return boolean True if the file was saved successfully, false if not
+ */
+ function save_configfile($config)
+ {
+ if (is_writable(RCUBE_CONFIG_DIR)) {
+ return file_put_contents(RCUBE_CONFIG_DIR . 'config.inc.php', $config);
+ }
+
+ return false;
+ }
+
+ /**
+ * Check the current configuration for missing properties
+ * and deprecated or obsolete settings
+ *
+ * @return array List with problems detected
+ */
+ function check_config()
+ {
+ $this->load_config();
+
+ if (!$this->configured) {
+ return null;
+ }
+
+ $out = $seen = array();
+
+ // iterate over the current configuration
+ foreach ($this->config as $prop => $value) {
+ if ($replacement = $this->replaced_config[$prop]) {
+ $out['replaced'][] = array('prop' => $prop, 'replacement' => $replacement);
+ $seen[$replacement] = true;
+ }
+ else if (!$seen[$prop] && in_array($prop, $this->obsolete_config)) {
+ $out['obsolete'][] = array('prop' => $prop);
+ $seen[$prop] = true;
+ }
+ }
+
+ // the old default mime_magic reference is obsolete
+ if ($this->config['mime_magic'] == '/usr/share/misc/magic') {
+ $out['obsolete'][] = array('prop' => 'mime_magic', 'explain' => "Set value to null in order to use system default");
+ }
+
+ // check config dependencies and contradictions
+ if ($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')) {
+ $out['dependencies'][] = array('prop' => 'log_driver',
+ 'explain' => 'This requires the <tt>syslog</tt> extension which could not be loaded.');
+ }
+ if (empty($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;
+ }
+
+
+ /**
+ * Merge the current configuration with the defaults
+ * and copy replaced values to the new options.
+ */
+ function merge_config()
+ {
+ $current = $this->config;
+ $this->config = array();
+
+ foreach ($this->replaced_config as $prop => $replacement) {
+ if (isset($current[$prop])) {
+ if ($prop == 'skin_path')
+ $this->config[$replacement] = preg_replace('#skins/(\w+)/?$#', '\\1', $current[$prop]);
+ else if ($prop == 'multiple_identities')
+ $this->config[$replacement] = $current[$prop] ? 2 : 0;
+ else
+ $this->config[$replacement] = $current[$prop];
+ }
+ unset($current[$prop]);
+ }
+
+ foreach ($this->obsolete_config as $prop) {
+ unset($current[$prop]);
+ }
+
+ // add all ldap_public sources having global_search enabled to autocomplete_addressbooks
+ if (is_array($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, $current);
+
+ foreach (array_keys((array)$current['ldap_public']) as $key) {
+ $this->config['ldap_public'][$key] = $current['ldap_public'][$key];
+ }
+ }
+
+ /**
+ * Compare the local database schema with the reference schema
+ * required for this version of Roundcube
+ *
+ * @param rcube_db Database object
+ *
+ * @return boolean True if the schema is up-to-date, false if not or an error occurred
+ */
+ function db_schema_check($DB)
+ {
+ if (!$this->configured)
+ return false;
+
+ // 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
+ $existing_tables = $DB->list_tables();
+
+ foreach ($db_schema as $table => $cols) {
+ $table = $this->config['db_prefix'] . $table;
+ if (!in_array($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;
+ }
+
+ /**
+ * Try to detect some file's mimetypes to test the correct behavior of fileinfo
+ */
+ function check_mime_detection()
+ {
+ $files = array(
+ 'skins/larry/images/roundcube_logo.png' => 'image/png',
+ 'program/resources/blank.tif' => 'image/tiff',
+ 'program/resources/blocked.gif' => 'image/gif',
+ 'skins/larry/README' => 'text/plain',
+ );
+
+ $errors = array();
+ foreach ($files as $path => $expected) {
+ $mimetype = rcube_mime::file_content_type(INSTALL_PATH . $path, basename($path));
+ if ($mimetype != $expected) {
+ $errors[] = array($path, $mimetype, $expected);
+ }
+ }
+
+ return $errors;
+ }
+
+ /**
+ * Check the correct configuration of the 'mime_types' mapping option
+ */
+ function check_mime_extensions()
+ {
+ $types = array(
+ 'application/zip' => 'zip',
+ 'application/x-tar' => 'tar',
+ 'application/java-archive' => 'jar',
+ 'image/gif' => 'gif',
+ 'image/svg+xml' => 'svg',
+ );
+
+ $errors = array();
+ foreach ($types as $mimetype => $expected) {
+ $ext = rcube_mime::get_mime_extensions($mimetype);
+ if ($ext[0] != $expected) {
+ $errors[] = array($mimetype, $ext, $expected);
+ }
+ }
+
+ return $errors;
+ }
+
+ /**
+ * Getter for the last error message
+ *
+ * @return string Error message or null if none exists
+ */
+ function get_error()
+ {
+ return $this->last_error['message'];
+ }
+
+
+ /**
+ * Return a list with all imap hosts configured
+ *
+ * @return array Clean list with imap hosts
+ */
+ function get_hostlist()
+ {
+ $default_hosts = (array)$this->getprop('default_host');
+ $out = array();
+
+ foreach ($default_hosts as $key => $name) {
+ if (!empty($name))
+ $out[] = rcube_parse_host(is_numeric($key) ? $name : $key);
+ }
+
+ 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', '0.5.2', '0.5.3', '0.5.4',
+ '0.6-beta', '0.6',
+ '0.7-beta', '0.7', '0.7.1', '0.7.2', '0.7.3', '0.7.4',
+ '0.8-beta', '0.8-rc', '0.8.0', '0.8.1', '0.8.2', '0.8.3', '0.8.4', '0.8.5', '0.8.6',
+ '0.9-beta', '0.9-rc', '0.9-rc2',
+ // Note: Do not add newer versions here
+ ));
+ 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 $skins;
+ }
+
+ /**
+ * Display OK status
+ *
+ * @param string Test name
+ * @param string Confirm message
+ */
+ function pass($name, $message = '')
+ {
+ echo Q($name) . ':&nbsp; <span class="success">OK</span>';
+ $this->_showhint($message);
+ }
+
+
+ /**
+ * Display an error status and increase failure count
+ *
+ * @param string Test name
+ * @param string Error message
+ * @param string URL for details
+ * @param bool Do not count this failure
+ */
+ function fail($name, $message = '', $url = '', $optional=false)
+ {
+ if (!$optional) {
+ $this->failures++;
+ }
+
+ echo Q($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, $url);
+ }
+
+
+ /**
+ * Display warning status
+ *
+ * @param string Test name
+ * @param string Warning message
+ * @param string URL for details
+ */
+ function na($name, $message = '', $url = '')
+ {
+ echo Q($name) . ':&nbsp; <span class="na">NOT AVAILABLE</span>';
+ $this->_showhint($message, $url);
+ }
+
+
+ function _showhint($message, $url = '')
+ {
+ $hint = Q($message);
+
+ if ($url)
+ $hint .= ($hint ? '; ' : '') . 'See <a href="' . Q($url) . '" target="_blank">' . Q($url) . '</a>';
+
+ if ($hint)
+ echo '<span class="indent">(' . $hint . ')</span>';
+ }
+
+
+ static function _clean_array($arr)
+ {
+ $out = array();
+
+ foreach (array_unique($arr) as $k => $val) {
+ if (!empty($val)) {
+ if (is_numeric($k))
+ $out[] = $val;
+ else
+ $out[$k] = $val;
+ }
+ }
+
+ return $out;
+ }
+
+
+ static function _dump_var($var, $name=null)
+ {
+ // special values
+ switch ($name) {
+ case 'syslog_facility':
+ $list = array(32 => 'LOG_AUTH', 80 => 'LOG_AUTHPRIV', 72 => ' LOG_CRON',
+ 24 => 'LOG_DAEMON', 0 => 'LOG_KERN', 128 => 'LOG_LOCAL0',
+ 136 => 'LOG_LOCAL1', 144 => 'LOG_LOCAL2', 152 => 'LOG_LOCAL3',
+ 160 => 'LOG_LOCAL4', 168 => 'LOG_LOCAL5', 176 => 'LOG_LOCAL6',
+ 184 => 'LOG_LOCAL7', 48 => 'LOG_LPR', 16 => 'LOG_MAIL',
+ 56 => 'LOG_NEWS', 40 => 'LOG_SYSLOG', 8 => 'LOG_USER', 64 => 'LOG_UUCP');
+ if ($val = $list[$var])
+ return $val;
+ break;
+
+ case 'mail_header_delimiter':
+ $var = str_replace(array("\r", "\n"), array('\r', '\n'), $var);
+ return '"' . $var. '"';
+ break;
+/*
+ // RCMAIL_VERSION is undefined here
+ case 'useragent':
+ if (preg_match('|^(.*)/('.preg_quote(RCMAIL_VERSION, '|').')$|i', $var, $m)) {
+ return '"' . addcslashes($var, '"') . '/" . RCMAIL_VERSION';
+ }
+ break;
+*/
+ }
+
+ if (is_array($var)) {
+ if (empty($var)) {
+ return 'array()';
+ }
+ else { // check if all keys are numeric
+ $isnum = true;
+ foreach (array_keys($var) as $key) {
+ if (!is_numeric($key)) {
+ $isnum = false;
+ break;
+ }
+ }
+
+ if ($isnum)
+ return 'array(' . join(', ', array_map(array('rcmail_install', '_dump_var'), $var)) . ')';
+ }
+ }
+
+ return var_export($var, true);
+ }
+
+
+ /**
+ * Initialize the database with the according schema
+ *
+ * @param object rcube_db Database connection
+ * @return boolen True on success, False on error
+ */
+ function init_db($DB)
+ {
+ $engine = $DB->db_provider;
+
+ // read schema file from /SQL/*
+ $fname = INSTALL_PATH . "SQL/$engine.initial.sql";
+ if ($sql = @file_get_contents($fname)) {
+ $this->exec_sql($sql, $DB);
+ }
+ else {
+ $this->fail('DB Schema', "Cannot read the schema file: $fname");
+ return false;
+ }
+
+ if ($err = $this->get_error()) {
+ $this->fail('DB Schema', "Error creating database schema: $err");
+ return false;
+ }
+
+ return true;
+ }
+
+
+ /**
+ * Update database schema
+ *
+ * @param string Version to update from
+ *
+ * @return boolen True on success, False on error
+ */
+ function update_db($version)
+ {
+ system(INSTALL_PATH . "bin/updatedb.sh --package=roundcube"
+ . " --version=" . escapeshellarg($version)
+ . " --dir=" . INSTALL_PATH . "SQL"
+ . " 2>&1", $result);
+
+ return !$result;
+ }
+
+
+ /**
+ * 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)
+ {
+ $sql = $this->fix_table_names($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 !$DB->is_error();
+ }
+
+
+ /**
+ * Parse SQL file and fix table names according to db_prefix
+ * Note: This need to be a complete database initial file
+ */
+ private function fix_table_names($sql, $DB)
+ {
+ if (empty($this->config['db_prefix'])) {
+ return $sql;
+ }
+
+ // replace table names
+ if (preg_match_all('/CREATE TABLE (\[dbo\]\.|IF NOT EXISTS )?[`"\[\]]*([^`"\[\] \r\n]+)/i', $sql, $matches)) {
+ foreach ($matches[2] as $table) {
+ $real_table = $this->config['db_prefix'] . $table;
+ $sql = preg_replace("/([^a-zA-Z0-9_])$table([^a-zA-Z0-9_])/", "\\1$real_table\\2", $sql);
+ }
+ }
+ // replace sequence names
+ if ($DB->db_provider == 'postgres' && preg_match_all('/CREATE SEQUENCE (IF NOT EXISTS )?"?([^" \n\r]+)/i', $sql, $matches)) {
+ foreach ($matches[2] as $sequence) {
+ $real_sequence = $this->config['db_prefix'] . $sequence;
+ $sql = preg_replace("/([^a-zA-Z0-9_])$sequence([^a-zA-Z0-9_])/", "\\1$real_sequence\\2", $sql);
+ }
+ }
+
+ return $sql;
+ }
+
+
+ /**
+ * Handler for Roundcube errors
+ */
+ function raise_error($p)
+ {
+ $this->last_error = $p;
+ }
+
+
+ /**
+ * Generarte a ramdom string to be used as encryption key
+ *
+ * @param int Key length
+ * @return string The generated random string
+ * @static
+ */
+ function random_key($length)
+ {
+ $alpha = 'ABCDEFGHIJKLMNOPQERSTUVXYZabcdefghijklmnopqrtsuvwxyz0123456789+*%&?!$-_=';
+ $out = '';
+
+ for ($i=0; $i < $length; $i++)
+ $out .= $alpha{rand(0, strlen($alpha)-1)};
+
+ return $out;
+ }
+
+}
+