Imported Upstream version 0.3

[roundcube.git] / plugins / password / drivers / sql.php

diff --git a/plugins/password/drivers/sql.php b/plugins/password/drivers/sql.php
new file mode 100644 (file)
index 0000000..9afaa65
--- /dev/null
+++ b/plugins/password/drivers/sql.php
@@ -0,0 +1,107 @@
+<?php
+
+/**
+ * SQL Password Driver
+ *
+ * Driver for passwords stored in SQL database
+ *
+ * @version 1.2
+ * @author Aleksander 'A.L.E.C' Machniak <alec@alec.pl>
+ *
+ */
+
+function password_save($curpass, $passwd)
+{
+    $rcmail = rcmail::get_instance();
+
+    if (!($sql = $rcmail->config->get('password_query')))
+        $sql = 'SELECT update_passwd(%c, %u)';
+
+    if ($dsn = $rcmail->config->get('password_db_dsn')) {
+       // #1486067: enable new_link option
+       if (is_array($dsn) && empty($dsn['new_link']))
+           $dsn['new_link'] = true;
+       else if (!is_array($dsn) && !preg_match('/\?new_link=true/', $dsn))
+         $dsn .= '?new_link=true';
+
+        $db = new rcube_mdb2($dsn, '', FALSE);
+        $db->set_debug((bool)$rcmail->config->get('sql_debug'));
+        $db->db_connect('w');
+    } else {
+        $db = $rcmail->get_dbh();
+    }
+
+    if ($err = $db->is_error())
+        return PASSWORD_ERROR;
+    
+    // crypted password
+    if (strpos($sql, '%c') !== FALSE) {
+        $salt = '';
+        if (CRYPT_MD5) { 
+           $len = rand(3, CRYPT_SALT_LENGTH);
+        } else if (CRYPT_STD_DES) {
+           $len = 2;
+        } else {
+           return PASSWORD_CRYPT_ERROR;
+        }
+        for ($i = 0; $i < $len ; $i++) {
+           $salt .= chr(rand(ord('.'), ord('z')));
+        }
+        $sql = str_replace('%c',  $db->quote(crypt($passwd, CRYPT_MD5 ? '$1$'.$salt.'$' : $salt)), $sql);
+    }
+    
+    // hashed passwords
+    if (preg_match('/%[n|q]/', $sql)) {
+
+       if (!extension_loaded('hash')) {
+           raise_error(array(
+               'code' => 600,
+               'type' => 'php',
+               'file' => __FILE__,
+               'message' => "Password plugin: 'hash' extension not loaded!"
+               ), true, false);
+           return PASSWORD_ERROR;                          
+       }
+
+       if (!($hash_algo = strtolower($rcmail->config->get('password_hash_algorithm'))))
+            $hash_algo = 'sha1';
+        
+       $hash_passwd = hash($hash_algo, $passwd);
+        $hash_curpass = hash($hash_algo, $curpass);
+        
+       if ($rcmail->config->get('password_hash_base64')) {
+            $hash_passwd = base64_encode(pack('H*', $hash_passwd));
+            $hash_curpass = base64_encode(pack('H*', $hash_curpass));
+        }
+       
+       $sql = str_replace('%n', $db->quote($hash_passwd, 'text'), $sql);
+       $sql = str_replace('%q', $db->quote($hash_curpass, 'text'), $sql);
+    }
+
+    $user_info = explode('@', $_SESSION['username']);
+    if (count($user_info) >= 2) {
+       $sql = str_replace('%l', $db->quote($user_info[0], 'text'), $sql);
+       $sql = str_replace('%d', $db->quote($user_info[0], 'text'), $sql);
+    }
+    
+    $sql = str_replace('%u', $db->quote($_SESSION['username'],'text'), $sql);
+    $sql = str_replace('%h', $db->quote($_SESSION['imap_host'],'text'), $sql);
+    $sql = str_replace('%p', $db->quote($passwd,'text'), $sql);
+    $sql = str_replace('%o', $db->quote($curpass,'text'), $sql);
+
+    $res = $db->query($sql);
+
+    if (!$db->is_error()) {
+       if (strtolower(substr(trim($query),0,6))=='select') {
+           if ($result = $db->fetch_array($res))
+               return PASSWORD_SUCCESS;
+       } else { 
+           if ($db->affected_rows($res) == 1)
+               return PASSWORD_SUCCESS; // This is the good case: 1 row updated
+       }
+    }
+
+    return PASSWORD_ERROR;
+}
+
+?>