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<?php
/**
* Copyright (c) 2013 Christopher Schäpers <christopher@schaepers.it>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
/**
* This class gets and sets users avatars.
*/
class OC_Avatar {
/**
* @brief get the users avatar
* @param $user string which user to get the avatar for
* @param $size integer size in px of the avatar, defaults to 64
* @return \OC_Image containing the avatar
*/
public static function get ($user, $size = 64) {
if ($user === false) {
return self::getDefaultAvatar($user, $size);
}
$view = new \OC\Files\View('/'.$user);
if ($view->file_exists('avatar.jpg')) {
$ext = 'jpg';
} elseif ($view->file_exists('avatar.png')) {
$ext = 'png';
} else {
return self::getDefaultAvatar($user, $size);
}
$avatar = new OC_Image($view->file_get_contents('avatar.'.$ext));
$avatar->resize($size);
return $avatar;
}
/**
* @brief sets the users avatar
* @param $user string user to set the avatar for
* @param $data mixed imagedata or path to set a new avatar, or false to delete the current avatar
* @throws Exception if the provided file is not a jpg or png image
* @throws Exception if the provided image is not valid, or not a square
* @return true on success
*/
public static function set ($user, $data) {
$view = new \OC\Files\View('/'.$user);
if ($data === false) {
$view->unlink('avatar.jpg');
$view->unlink('avatar.png');
return true;
} else {
$img = new OC_Image($data);
$type = substr($img->mimeType(), -3);
if ($type === 'peg') { $type = 'jpg'; }
if ($type !== 'jpg' && $type !== 'png') {
$l = \OC_L10N::get('lib');
throw new \Exception($l->t("Unknown filetype"));
}
if (!( $img->valid() && ($img->height() === $img->width()) )) {
$l = \OC_L10N::get('lib');
throw new \Exception($l->t("Invalid image, or the provided image is not square"));
}
$view->unlink('avatar.jpg');
$view->unlink('avatar.png');
$view->file_put_contents('avatar.'.$type, $data);
return true;
}
}
/**
* @brief gets the default avatar
* @brief $user string which user to get the avatar for
* @param $size integer size of the avatar in px, defaults to 64
* @return \OC_Image containing the default avatar
* @todo use custom default images, when they arive
*/
public static function getDefaultAvatar ($user, $size = 64) {
// TODO
/*$default = new OC_Image(OC::$SERVERROOT."/core/img/defaultavatar.png");
$default->resize($size);
return $default;*/
return;
}
}
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