From 2965a981b7ec22866fbdf2d567d87e2d068d3617 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Fri, 31 Jul 2015 16:04:08 -0400
Subject: [PATCH] Allow to search and import missing PGP pubkeys from keyservers using Publickey.js

---
 plugins/virtuser_query/virtuser_query.php |  173 ++++++++++++++++++++++++++++++++++++++++++++-------------
 1 files changed, 134 insertions(+), 39 deletions(-)

diff --git a/plugins/virtuser_query/virtuser_query.php b/plugins/virtuser_query/virtuser_query.php
index 0264bf8..c08d6bd 100644
--- a/plugins/virtuser_query/virtuser_query.php
+++ b/plugins/virtuser_query/virtuser_query.php
@@ -3,32 +3,58 @@
 /**
  * DB based User-to-Email and Email-to-User lookup
  *
- * Add it to the plugins list in config/main.inc.php and set
- * SQL query to resolve user names and e-mail addresses from the database
+ * Add it to the plugins list in config.inc.php and set
+ * SQL queries to resolve usernames, e-mail addresses and hostnames from the database
  * %u will be replaced with the current username for login.
- * The query should select the user's e-mail address as first column
- * and optional identity data columns in specified order:
+ * %m will be replaced with the current e-mail address for login.
+ *
+ * Queries should select the user's e-mail address, username or the imap hostname as first column
+ * The email query could optionally select identity data columns in specified order:
  *    name, organization, reply-to, bcc, signature, html_signature
  *
- * $rcmail_config['virtuser_query'] = '';
+ * $config['virtuser_query'] = array('email' => '', 'user' => '', 'host' => '', 'alias' => '');
  *
- * @version 1.0
- * @author Aleksander Machniak
+ * The email query can return more than one record to create more identities.
+ * This requires identities_level option to be set to value less than 2.
+ *
+ * By default Roundcube database is used. To use different database (or host)
+ * you can specify DSN string in $config['virtuser_query_dsn'] option.
+ *
+ * @version @package_version@
+ * @author Aleksander Machniak <alec@alec.pl>
+ * @author Steffen Vogel
+ * @author Tim Gerundt
+ * @license GNU GPLv3+
  */
 class virtuser_query extends rcube_plugin
 {
-    private $query;
+    private $config;
     private $app;
+    private $db;
 
     function init()
     {
-	$this->app = rcmail::get_instance();
-	$this->query = $this->app->config->get('virtuser_query');
+        $this->app    = rcmail::get_instance();
+        $this->config = $this->app->config->get('virtuser_query');
 
-	if ($this->query) {
-	    $this->add_hook('user2email', array($this, 'user2email'));
-//	    $this->add_hook('email2user', array($this, 'email2user'));
-	}
+        if (!empty($this->config)) {
+            if (is_string($this->config)) {
+                $this->config = array('email' => $this->config);
+            }
+
+            if ($this->config['email']) {
+                $this->add_hook('user2email', array($this, 'user2email'));
+            }
+            if ($this->config['user']) {
+                $this->add_hook('email2user', array($this, 'email2user'));
+            }
+            if ($this->config['host']) {
+                $this->add_hook('authenticate', array($this, 'user2host'));
+            }
+            if ($this->config['alias']) {
+                $this->add_hook('authenticate', array($this, 'alias2user'));
+            }
+        }
     }
 
     /**
@@ -36,35 +62,104 @@
      */
     function user2email($p)
     {
-	$dbh = $rcmail->get_dbh();
+        $dbh = $this->get_dbh();
 
-	$sql_result = $dbh->query(preg_replace('/%u/', $dbh->escapeSimple($p['user']), $this->query));
+        $sql_result = $dbh->query(preg_replace('/%u/', $dbh->escape($p['user']), $this->config['email']));
 
-	while ($sql_arr = $dbh->fetch_array($sql_result)) {
-	    if (strpos($sql_arr[0], '@')) {
-		if ($p['extended'] && count($sql_arr) > 1) {
-		    $result[] = array(
-			'email' 	=> $sql_arr[0],
-			'name' 		=> $sql_arr[1],
-			'organization'  => $sql_arr[2],
-			'reply-to' 	=> $sql_arr[3],
-			'bcc' 		=> $sql_arr[4],
-			'signature' 	=> $sql_arr[5],
-			'html_signature' => (int)$sql_arr[6],
-    		    );
-		}
-		else {
-		    $result[] = $sql_arr[0];
-		}
+        while ($sql_arr = $dbh->fetch_array($sql_result)) {
+            if (strpos($sql_arr[0], '@')) {
+                if ($p['extended'] && count($sql_arr) > 1) {
+                    $result[] = array(
+                        'email'          => rcube_utils::idn_to_ascii($sql_arr[0]),
+                        'name'           => (string) $sql_arr[1],
+                        'organization'   => (string) $sql_arr[2],
+                        'reply-to'       => (string) rcube_utils::idn_to_ascii($sql_arr[3]),
+                        'bcc'            => (string) rcube_utils::idn_to_ascii($sql_arr[4]),
+                        'signature'      => (string) $sql_arr[5],
+                        'html_signature' => (int) $sql_arr[6],
+                    );
+                }
+                else {
+                    $result[] = $sql_arr[0];
+                }
 
-		if ($p['first'])
-		    break;
-	    }
-	}
-	
-	$p['email'] = $result;
+                if ($p['first']) {
+                    break;
+                }
+            }
+        }
 
-	return $p;
+        $p['email'] = $result;
+
+        return $p;
+    }
+
+    /**
+     * EMail > User
+     */
+    function email2user($p)
+    {
+        $dbh = $this->get_dbh();
+
+        $sql_result = $dbh->query(preg_replace('/%m/', $dbh->escape($p['email']), $this->config['user']));
+
+        if ($sql_arr = $dbh->fetch_array($sql_result)) {
+            $p['user'] = $sql_arr[0];
+        }
+
+        return $p;
+    }
+
+    /**
+     * User > Host
+     */
+    function user2host($p)
+    {
+        $dbh = $this->get_dbh();
+
+        $sql_result = $dbh->query(preg_replace('/%u/', $dbh->escape($p['user']), $this->config['host']));
+
+        if ($sql_arr = $dbh->fetch_array($sql_result)) {
+            $p['host'] = $sql_arr[0];
+        }
+
+        return $p;
+    }
+
+    /**
+     * Alias > User
+     */
+    function alias2user($p)
+    {
+        $dbh = $this->get_dbh();
+
+        $sql_result = $dbh->query(preg_replace('/%u/', $dbh->escape($p['user']), $this->config['alias']));
+
+        if ($sql_arr = $dbh->fetch_array($sql_result)) {
+            $p['user'] = $sql_arr[0];
+        }
+
+        return $p;
+    }
+
+    /**
+     * Initialize database handler
+     */
+    function get_dbh()
+    {
+        if (!$this->db) {
+            if ($dsn = $this->app->config->get('virtuser_query_dsn')) {
+                // connect to the virtuser database
+                $this->db = rcube_db::factory($dsn);
+                $this->db->set_debug((bool)$this->app->config->get('sql_debug'));
+                $this->db->db_connect('r'); // connect in read mode
+            }
+            else {
+                $this->db = $this->app->get_dbh();
+            }
+        }
+
+        return $this->db;
     }
 
 }

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