nextcloud/avatar.php

84 lines
2.1 KiB
PHP

<?php
require_once 'lib/base.php';
if (!\OC_User::isLoggedIn()) {
header("HTTP/1.0 403 Forbidden");
\OC_Template::printErrorPage("Permission denied");
}
if ($_SERVER['REQUEST_METHOD'] === "GET") {
if (isset($_GET['user'])) {
//SECURITY TODO does this fully eliminate directory traversals?
$user = stripslashes($_GET['user']);
} else {
exit();
}
if (isset($_GET['size']) && ((int)$_GET['size'] > 0)) {
$size = (int)$_GET['size'];
if ($size > 2048) {
$size = 2048;
}
} else {
$size = 64;
}
$image = \OC_Avatar::get($user, $size);
if ($image instanceof \OC_Image) {
$image->show();
} elseif ($image === false) {
OC_JSON::success(array('user' => $user, 'size' => $size));
}
} elseif ($_SERVER['REQUEST_METHOD'] === "POST") {
$user = OC_User::getUser();
// Select an image from own files
if (isset($_POST['path'])) {
$path = stripslashes($_POST['path']);
$avatar = OC::$SERVERROOT.'/data/'.$user.'/files'.$path;
}
if (isset($_POST['crop'])) {
$crop = json_decode($_POST['crop'], true);
if (!isset($path)) {
// TODO get path to temporarily saved uploaded-avatar
}
$image = new \OC_Image($avatar);
$image->crop($x, $y, $w, $h);
$avatar = $image->data();
}
// Upload a new image
if (!empty($_FILES)) {
$files = $_FILES['files'];
if ($files['error'][0] === 0) {
$avatar = file_get_contents($files['tmp_name'][0]);
unlink($files['tmp_name'][0]);
// TODO make the tmp_name reusable, if the uploaded avatar is not square
}
}
try {
\OC_Avatar::set($user, $avatar);
OC_JSON::success();
} catch (\OC\NotSquareException $e) {
$tmpname = \OC_Util::generate_random_bytes(10);
// TODO Save the image temporarily here
// TODO add a cronjob that cleans up stale tmpimages
OC_JSON::error(array("data" => array("message" => "notsquare", "tmpname" => $tmpname) ));
} catch (\Exception $e) {
OC_JSON::error(array("data" => array("message" => $e->getMessage()) ));
}
} elseif ($_SERVER['REQUEST_METHOD'] === "DELETE") {
$user = OC_User::getUser();
try {
\OC_Avatar::remove($user);
OC_JSON::success();
} catch (\Exception $e) {
OC_JSON::error(array("data" => array ("message" => $e->getMessage()) ));
}
}