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LDAP: get user photo from LDAP and set it as avatar if available

This commit is contained in:
Arthur Schiwon 2013-11-21 17:02:37 +01:00
parent c503588827
commit 54f0deff2a
2 changed files with 65 additions and 1 deletions
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3
apps/user_ldap/lib/configuration.php
View File

@ -72,6 +72,7 @@ class Configuration {
'ldapExpertUsernameAttr' => null,
'ldapExpertUUIDUserAttr' => null,
'ldapExpertUUIDGroupAttr' => null,
'lastJpegPhotoLookup' => null,
);
public function __construct($configPrefix, $autoread = true) {
@ -330,6 +331,7 @@ class Configuration {
'ldap_expert_uuid_user_attr' => '',
'ldap_expert_uuid_group_attr' => '',
'has_memberof_filter_support' => 0,
'last_jpegPhoto_lookup' => 0,
);
}
@ -377,6 +379,7 @@ class Configuration {
'ldap_expert_uuid_user_attr' => 'ldapExpertUUIDUserAttr',
'ldap_expert_uuid_group_attr' => 'ldapExpertUUIDGroupAttr',
'has_memberof_filter_support' => 'hasMemberOfFilterSupport',
'last_jpegPhoto_lookup' => 'lastJpegPhotoLookup',
);
return $array;
}

63
apps/user_ldap/user_ldap.php
View File

@ -69,6 +69,65 @@ class USER_LDAP extends BackendUtility implements \OCP\UserInterface {
}
}
/**
* @brief reads jpegPhoto and set is as avatar if available
* @param $uid string ownCloud user name
* @param $dn string the user's LDAP DN
* @return void
*/
private function updateAvatar($uid, $dn) {
$lastChecked = $this->access->connection->lastJpegPhotoLookup;
if((time() - $lastChecked) < 86400 ) {
//update only once a day
return;
}
$jpegPhoto = $this->access->readAttribute($dn, 'jpegPhoto');
$this->access->connection->lastJpegPhotoLookup = time();
if(!$jpegPhoto || !is_array($jpegPhoto) || !isset($jpegPhoto[0])) {
//not set, nothing left to do;
return;
}
$image = new \OCP\Image($jpegPhoto[0]);
if(!$image->valid()) {
\OCP\Util::writeLog('user_ldap', 'jpegPhoto data invalid for '.$dn,
\OCP\Util::ERROR);
return;
}
//make sure it is a square and not bigger than 128x128
$size = min(array($image->width(), $image->height(), 128));
if(!$image->centerCrop($size)) {
\OCP\Util::writeLog('user_ldap',
'croping image for avatar failed for '.$dn,
\OCP\Util::ERROR);
return;
}
$avatarManager = \OC::$server->getAvatarManager();
$avatar = $avatarManager->getAvatar($uid);
$avatar->set($image->data());
}
/**
* @brief checks whether the user is allowed to change his avatar in ownCloud
* @param $uid string the ownCloud user name
* @return boolean either the user can or cannot
*/
public function canChangeAvatar($uid) {
$dn = $this->access->username2dn($uid);
if(!$dn) {
return false;
}
$jpegPhoto = $this->access->readAttribute($dn, 'jpegPhoto');
if(!$jpegPhoto || !is_array($jpegPhoto) || !isset($jpegPhoto[0])) {
//The user is allowed to change his avatar in ownCloud only if no
//avatar is provided by LDAP
return true;
}
return false;
}
/**
* @brief Check if the password is correct
* @param $uid The username
@ -173,6 +232,7 @@ class USER_LDAP extends BackendUtility implements \OCP\UserInterface {
$this->access->connection->writeToCache('userExists'.$uid, true);
$this->updateQuota($dn);
$this->updateAvatar($uid, $dn);
return true;
}
@ -289,7 +349,8 @@ class USER_LDAP extends BackendUtility implements \OCP\UserInterface {
public function implementsActions($actions) {
return (bool)((OC_USER_BACKEND_CHECK_PASSWORD
| OC_USER_BACKEND_GET_HOME
| OC_USER_BACKEND_GET_DISPLAYNAME)
| OC_USER_BACKEND_GET_DISPLAYNAME
| OC_USER_BACKEND_PROVIDE_AVATAR)
& $actions);
}