From 18d8dc4757400772a950218e2678b08545a1dd47 Mon Sep 17 00:00:00 2001
From: Insanemal <insanemal@gmail.com>
Date: Mon, 21 Nov 2011 12:51:13 +1000
Subject: [PATCH] Added option to lowercase all usernames. This resolves bug
 with Windows AD servers as LDAP server. Windows is case insensitve on logon
 requests. If users are stored camel case and logon using all lower it causes
 issues as OwnCloud is configured to be case sensitive.

Signed-off-by: Insanemal <insanemal@gmail.com>
---
 apps/user_ldap/settings.php           |  5 ++++-
 apps/user_ldap/templates/settings.php |  1 +
 apps/user_ldap/user_ldap.php          | 10 +++++++++-
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/apps/user_ldap/settings.php b/apps/user_ldap/settings.php
index e61d82bf8be..4be36b04440 100644
--- a/apps/user_ldap/settings.php
+++ b/apps/user_ldap/settings.php
@@ -20,7 +20,7 @@
  * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-$params = array('ldap_host', 'ldap_port', 'ldap_dn', 'ldap_password', 'ldap_base', 'ldap_filter', 'ldap_display_name', 'ldap_tls');
+$params = array('ldap_host', 'ldap_port', 'ldap_dn', 'ldap_password', 'ldap_base', 'ldap_filter', 'ldap_display_name', 'ldap_tls', 'ldap_nocase');
 
 foreach($params as $param){
 	if(isset($_POST[$param])){
@@ -28,6 +28,9 @@ foreach($params as $param){
 	}
 	elseif('ldap_tls' == $param) {
 		// unchecked checkboxes are not included in the post paramters
+		OC_Appconfig::setValue('user_ldap', $param, 0);		
+	}
+	elseif('ldap_nocase' == $param) {
 		OC_Appconfig::setValue('user_ldap', $param, 0);
 	}
 }
diff --git a/apps/user_ldap/templates/settings.php b/apps/user_ldap/templates/settings.php
index 5f25570e229..587e94e013a 100644
--- a/apps/user_ldap/templates/settings.php
+++ b/apps/user_ldap/templates/settings.php
@@ -11,6 +11,7 @@
 		<p><label for="ldap_display_name"><?php echo $l->t('Display Name Field');?></label><input type="text" id="ldap_display_name" name="ldap_display_name" value="<?php echo $_['ldap_display_name']; ?>" />
 		<small><?php echo $l->t('Currently the display name field needs to be the same you matched %%uid against in the filter above, because ownCloud doesn\'t distinguish between user id and user name.');?></small></p>
 		<p><input type="checkbox" id="ldap_tls" name="ldap_tls" value="1"<?php if ($_['ldap_tls']) echo ' checked'; ?>><label for="ldap_tls"><?php echo $l->t('Use TLS');?></label></p>
+		<p><input type="checkbox" id="ldap_nocase" name="ldap_nocase" value="1"<?php if ($_['ldap_nocase']) echo ' checked'; ?>><label for="ldap_nocase"><?php echo $l->t('Conver UID lowercase');?></label></p>
 		<input type="submit" value="Save" />
 	</fieldset>
 </form>
diff --git a/apps/user_ldap/user_ldap.php b/apps/user_ldap/user_ldap.php
index 249def7a1c8..0b309fd99d5 100644
--- a/apps/user_ldap/user_ldap.php
+++ b/apps/user_ldap/user_ldap.php
@@ -34,6 +34,7 @@ class OC_USER_LDAP extends OC_User_Backend {
 	protected $ldap_base;
 	protected $ldap_filter;
 	protected $ldap_tls;
+	protected $ldap_nocase;
 	protected $ldap_display_name;
 
 	function __construct() {
@@ -44,6 +45,7 @@ class OC_USER_LDAP extends OC_User_Backend {
 		$this->ldap_base = OC_Appconfig::getValue('user_ldap', 'ldap_base','');
 		$this->ldap_filter = OC_Appconfig::getValue('user_ldap', 'ldap_filter','');
 		$this->ldap_tls = OC_Appconfig::getValue('user_ldap', 'ldap_tls', 0);
+		$this->ldap_nocase = OC_Appconfig::getValue('user_ldap', 'ldap_nocase', 0);
 		$this->ldap_display_name = OC_Appconfig::getValue('user_ldap', 'ldap_display_name', OC_USER_BACKEND_LDAP_DEFAULT_DISPLAY_NAME);
 
 		if( !empty($this->ldap_host)
@@ -146,7 +148,13 @@ class OC_USER_LDAP extends OC_User_Backend {
 				// TODO ldap_get_entries() seems to lower all keys => needs review
 				$ldap_display_name  = strtolower($this->ldap_display_name);
 				if(isset($row[$ldap_display_name])) {
-					$users[] = $row[$ldap_display_name][0];
+					if($this->ldap_nocase) {
+						$users[] = strtolower($row[$ldap_display_name][0]);
+					}
+					else 
+					{
+						$users[] = $row[$ldap_display_name][0];
+					}
 				}
 			}
 			// TODO language specific sorting of user names
-- 
2.39.5