137 lines
3.8 KiB
PHP
137 lines
3.8 KiB
PHP
<?php
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/**
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* @author Arthur Schiwon <blizzz@owncloud.com>
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* @author Christopher Schäpers <kondou@ts.unde.re>
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* @author Joas Schilling <nickvergessen@owncloud.com>
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* @author Lukas Reschke <lukas@owncloud.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Robin McCorkell <rmccorkell@karoshi.org.uk>
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* @author Roeland Jago Douma <rullzer@owncloud.com>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC;
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use OC\Files\Filesystem;
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use OC_Image;
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/**
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* This class gets and sets users avatars.
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*/
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class Avatar implements \OCP\IAvatar {
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/** @var Files\View */
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private $view;
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/**
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* constructor
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* @param string $user user to do avatar-management with
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* @throws \Exception In case the username is potentially dangerous
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*/
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public function __construct ($user) {
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if(!Filesystem::isValidPath($user)) {
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throw new \Exception('Username may not contain slashes');
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}
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$this->view = new \OC\Files\View('/'.$user);
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}
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/**
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* get the users avatar
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* @param int $size size in px of the avatar, avatars are square, defaults to 64
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* @return boolean|\OCP\IImage containing the avatar or false if there's no image
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*/
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public function get ($size = 64) {
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if ($this->view->file_exists('avatar.jpg')) {
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$ext = 'jpg';
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} elseif ($this->view->file_exists('avatar.png')) {
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$ext = 'png';
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} else {
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return false;
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}
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$avatar = new OC_Image();
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if ($this->view->file_exists('avatar.' . $size . '.' . $ext)) {
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$avatar->loadFromData($this->view->file_get_contents('avatar.' . $size . '.' . $ext));
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} else {
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$avatar->loadFromData($this->view->file_get_contents('avatar.' . $ext));
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$avatar->resize($size);
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$this->view->file_put_contents('avatar.' . $size . '.' . $ext, $avatar->data());
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}
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return $avatar;
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}
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/**
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* Check if an avatar exists for the user
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*
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* @return bool
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*/
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public function exists() {
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return $this->view->file_exists('avatar.jpg') || $this->view->file_exists('avatar.png');
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}
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/**
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* sets the users avatar
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* @param \OCP\IImage|resource|string $data An image object, imagedata or path to set a new avatar
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* @throws \Exception if the provided file is not a jpg or png image
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* @throws \Exception if the provided image is not valid
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* @throws \OC\NotSquareException if the image is not square
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* @return void
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*/
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public function set ($data) {
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if($data instanceOf \OCP\IImage) {
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$img = $data;
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$data = $img->data();
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} else {
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$img = new OC_Image($data);
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}
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$type = substr($img->mimeType(), -3);
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if ($type === 'peg') {
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$type = 'jpg';
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}
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if ($type !== 'jpg' && $type !== 'png') {
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$l = \OC::$server->getL10N('lib');
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throw new \Exception($l->t("Unknown filetype"));
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}
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if (!$img->valid()) {
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$l = \OC::$server->getL10N('lib');
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throw new \Exception($l->t("Invalid image"));
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}
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if (!($img->height() === $img->width())) {
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throw new \OC\NotSquareException();
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}
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$this->view->unlink('avatar.jpg');
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$this->view->unlink('avatar.png');
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$this->view->file_put_contents('avatar.'.$type, $data);
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}
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/**
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* remove the users avatar
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* @return void
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*/
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public function remove () {
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$this->view->unlink('avatar.jpg');
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$this->view->unlink('avatar.png');
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}
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}
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