[Pkg-owncloud-commits] [owncloud] 42/394: Return true or false from readAttribute if $attr is empty

[David Prévot]

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taffit pushed a commit to annotated tag v4.5.10
in repository owncloud.

commit 7fc1276ac77f7195f9de7deb274837930c76ee4b
Author: Lorenzo M. Catucci <lorenzo at sancho.ccd.uniroma2.it>
Date:   Mon Nov 5 15:38:49 2012 +0100

    Return true or false from readAttribute if $attr is empty
    
    This way, readAttribute can act as an existence checker.
---
 apps/user_ldap/lib/access.php |   11 ++++++++---
 apps/user_ldap/user_ldap.php  |    5 ++---
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/apps/user_ldap/lib/access.php b/apps/user_ldap/lib/access.php
index a500e1b..b09b6e7 100644
--- a/apps/user_ldap/lib/access.php
+++ b/apps/user_ldap/lib/access.php
@@ -38,9 +38,10 @@ abstract class Access {
 	 * @brief reads a given attribute for an LDAP record identified by a DN
 	 * @param $dn the record in question
 	 * @param $attr the attribute that shall be retrieved
-	 * @returns the values in an array on success, false otherwise
+	 *        if empty, just check the record's existence
+	 * @returns true or the values in an array on success, false otherwise
 	 *
-	 * Reads an attribute from an LDAP entry
+	 * Reads an attribute from an LDAP entry or check if entry exists
 	 */
 	public function readAttribute($dn, $attr) {
 		if(!$this->checkConnection()) {
@@ -55,10 +56,14 @@ abstract class Access {
 		}
 		$rr = @ldap_read($cr, $dn, 'objectClass=*', array($attr));
 		if(!is_resource($rr)) {
-			\OCP\Util::writeLog('user_ldap', 'readAttribute '.$attr.' failed for DN '.$dn, \OCP\Util::DEBUG);
+			\OCP\Util::writeLog('user_ldap', 'readAttribute failed for DN '.$dn, \OCP\Util::DEBUG);
 			//in case an error occurs , e.g. object does not exist
 			return false;
 		}
+		if (empty($attr)) {
+			\OCP\Util::writeLog('user_ldap', 'readAttribute: '.$dn.' found', \OCP\Util::DEBUG);
+			return true;
+		}
 		$er = ldap_first_entry($cr, $rr);
 		//LDAP attributes are not case sensitive
 		$result = \OCP\Util::mb_array_change_key_case(ldap_get_attributes($cr, $er), MB_CASE_LOWER, 'UTF-8');
diff --git a/apps/user_ldap/user_ldap.php b/apps/user_ldap/user_ldap.php
index e104c8d..5e5af44 100644
--- a/apps/user_ldap/user_ldap.php
+++ b/apps/user_ldap/user_ldap.php
@@ -141,9 +141,8 @@ class USER_LDAP extends lib\Access implements \OCP\UserInterface {
 			return false;
 		}
 
-		//if user really still exists, we will be able to read his objectclass
-		$objcs = $this->readAttribute($dn, 'objectclass');
-		if(!$objcs || empty($objcs)) {
+		//check if user really still exists by reading its entry
+		if(!$this->readAttribute($dn, '') ) {
 			$this->connection->writeToCache('userExists'.$uid, false);
 			return false;
 		}

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