You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
337 lines
8.6 KiB
337 lines
8.6 KiB
<?php
|
|
|
|
declare(strict_types=1);
|
|
|
|
/**
|
|
* @copyright Copyright (c) 2018, Michael Weimann <mail@michael-weimann.eu>
|
|
*
|
|
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
|
|
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
|
|
* @author Joas Schilling <coding@schilljs.com>
|
|
* @author Michael Weimann <mail@michael-weimann.eu>
|
|
*
|
|
* @license GNU AGPL version 3 or any later version
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
namespace OC\Avatar;
|
|
|
|
use OC\NotSquareException;
|
|
use OC\User\User;
|
|
use OC_Image;
|
|
use OCP\Files\NotFoundException;
|
|
use OCP\Files\NotPermittedException;
|
|
use OCP\Files\SimpleFS\ISimpleFile;
|
|
use OCP\Files\SimpleFS\ISimpleFolder;
|
|
use OCP\IConfig;
|
|
use OCP\IImage;
|
|
use OCP\IL10N;
|
|
use OCP\ILogger;
|
|
|
|
/**
|
|
* This class represents a registered user's avatar.
|
|
*/
|
|
class UserAvatar extends Avatar {
|
|
/** @var IConfig */
|
|
private $config;
|
|
|
|
/** @var ISimpleFolder */
|
|
private $folder;
|
|
|
|
/** @var IL10N */
|
|
private $l;
|
|
|
|
/** @var User */
|
|
private $user;
|
|
|
|
/**
|
|
* UserAvatar constructor.
|
|
*
|
|
* @param IConfig $config The configuration
|
|
* @param ISimpleFolder $folder The avatar files folder
|
|
* @param IL10N $l The localization helper
|
|
* @param User $user The user this class manages the avatar for
|
|
* @param ILogger $logger The logger
|
|
*/
|
|
public function __construct(
|
|
ISimpleFolder $folder,
|
|
IL10N $l,
|
|
$user,
|
|
ILogger $logger,
|
|
IConfig $config) {
|
|
parent::__construct($logger);
|
|
$this->folder = $folder;
|
|
$this->l = $l;
|
|
$this->user = $user;
|
|
$this->config = $config;
|
|
}
|
|
|
|
/**
|
|
* Check if an avatar exists for the user
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function exists() {
|
|
return $this->folder->fileExists('avatar.jpg') || $this->folder->fileExists('avatar.png');
|
|
}
|
|
|
|
/**
|
|
* Sets the users avatar.
|
|
*
|
|
* @param IImage|resource|string $data An image object, imagedata or path to set a new avatar
|
|
* @throws \Exception if the provided file is not a jpg or png image
|
|
* @throws \Exception if the provided image is not valid
|
|
* @throws NotSquareException if the image is not square
|
|
* @return void
|
|
*/
|
|
public function set($data) {
|
|
$img = $this->getAvatarImage($data);
|
|
$data = $img->data();
|
|
|
|
$this->validateAvatar($img);
|
|
|
|
$this->remove(true);
|
|
$type = $this->getAvatarImageType($img);
|
|
$file = $this->folder->newFile('avatar.' . $type);
|
|
$file->putContent($data);
|
|
|
|
try {
|
|
$generated = $this->folder->getFile('generated');
|
|
$generated->delete();
|
|
} catch (NotFoundException $e) {
|
|
//
|
|
}
|
|
|
|
$this->config->setUserValue($this->user->getUID(), 'avatar', 'generated', 'false');
|
|
$this->user->triggerChange('avatar', $file);
|
|
}
|
|
|
|
/**
|
|
* Returns an image from several sources.
|
|
*
|
|
* @param IImage|resource|string $data An image object, imagedata or path to the avatar
|
|
* @return IImage
|
|
*/
|
|
private function getAvatarImage($data) {
|
|
if ($data instanceof IImage) {
|
|
return $data;
|
|
}
|
|
|
|
$img = new OC_Image();
|
|
if (is_resource($data) && get_resource_type($data) === 'gd') {
|
|
$img->setResource($data);
|
|
} elseif (is_resource($data)) {
|
|
$img->loadFromFileHandle($data);
|
|
} else {
|
|
try {
|
|
// detect if it is a path or maybe the images as string
|
|
$result = @realpath($data);
|
|
if ($result === false || $result === null) {
|
|
$img->loadFromData($data);
|
|
} else {
|
|
$img->loadFromFile($data);
|
|
}
|
|
} catch (\Error $e) {
|
|
$img->loadFromData($data);
|
|
}
|
|
}
|
|
|
|
return $img;
|
|
}
|
|
|
|
/**
|
|
* Returns the avatar image type.
|
|
*
|
|
* @param IImage $avatar
|
|
* @return string
|
|
*/
|
|
private function getAvatarImageType(IImage $avatar) {
|
|
$type = substr($avatar->mimeType(), -3);
|
|
if ($type === 'peg') {
|
|
$type = 'jpg';
|
|
}
|
|
return $type;
|
|
}
|
|
|
|
/**
|
|
* Validates an avatar image:
|
|
* - must be "png" or "jpg"
|
|
* - must be "valid"
|
|
* - must be in square format
|
|
*
|
|
* @param IImage $avatar The avatar to validate
|
|
* @throws \Exception if the provided file is not a jpg or png image
|
|
* @throws \Exception if the provided image is not valid
|
|
* @throws NotSquareException if the image is not square
|
|
*/
|
|
private function validateAvatar(IImage $avatar) {
|
|
$type = $this->getAvatarImageType($avatar);
|
|
|
|
if ($type !== 'jpg' && $type !== 'png') {
|
|
throw new \Exception($this->l->t('Unknown filetype'));
|
|
}
|
|
|
|
if (!$avatar->valid()) {
|
|
throw new \Exception($this->l->t('Invalid image'));
|
|
}
|
|
|
|
if (!($avatar->height() === $avatar->width())) {
|
|
throw new NotSquareException($this->l->t('Avatar image is not square'));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Removes the users avatar.
|
|
* @return void
|
|
* @throws \OCP\Files\NotPermittedException
|
|
* @throws \OCP\PreConditionNotMetException
|
|
*/
|
|
public function remove(bool $silent = false) {
|
|
$avatars = $this->folder->getDirectoryListing();
|
|
|
|
$this->config->setUserValue($this->user->getUID(), 'avatar', 'version',
|
|
(int) $this->config->getUserValue($this->user->getUID(), 'avatar', 'version', 0) + 1);
|
|
|
|
foreach ($avatars as $avatar) {
|
|
$avatar->delete();
|
|
}
|
|
$this->config->setUserValue($this->user->getUID(), 'avatar', 'generated', 'true');
|
|
if (!$silent) {
|
|
$this->user->triggerChange('avatar', '');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the extension of the avatar. If there is no avatar throw Exception
|
|
*
|
|
* @return string
|
|
* @throws NotFoundException
|
|
*/
|
|
private function getExtension() {
|
|
if ($this->folder->fileExists('avatar.jpg')) {
|
|
return 'jpg';
|
|
} elseif ($this->folder->fileExists('avatar.png')) {
|
|
return 'png';
|
|
}
|
|
throw new NotFoundException;
|
|
}
|
|
|
|
/**
|
|
* Returns the avatar for an user.
|
|
*
|
|
* If there is no avatar file yet, one is generated.
|
|
*
|
|
* @param int $size
|
|
* @return ISimpleFile
|
|
* @throws NotFoundException
|
|
* @throws \OCP\Files\NotPermittedException
|
|
* @throws \OCP\PreConditionNotMetException
|
|
*/
|
|
public function getFile($size) {
|
|
$size = (int) $size;
|
|
|
|
try {
|
|
$ext = $this->getExtension();
|
|
} catch (NotFoundException $e) {
|
|
if (!$data = $this->generateAvatarFromSvg(1024)) {
|
|
$data = $this->generateAvatar($this->getDisplayName(), 1024);
|
|
}
|
|
$avatar = $this->folder->newFile('avatar.png');
|
|
$avatar->putContent($data);
|
|
$ext = 'png';
|
|
|
|
$this->folder->newFile('generated', '');
|
|
$this->config->setUserValue($this->user->getUID(), 'avatar', 'generated', 'true');
|
|
}
|
|
|
|
if ($size === -1) {
|
|
$path = 'avatar.' . $ext;
|
|
} else {
|
|
$path = 'avatar.' . $size . '.' . $ext;
|
|
}
|
|
|
|
try {
|
|
$file = $this->folder->getFile($path);
|
|
} catch (NotFoundException $e) {
|
|
if ($size <= 0) {
|
|
throw new NotFoundException;
|
|
}
|
|
|
|
if ($this->folder->fileExists('generated')) {
|
|
if (!$data = $this->generateAvatarFromSvg($size)) {
|
|
$data = $this->generateAvatar($this->getDisplayName(), $size);
|
|
}
|
|
} else {
|
|
$avatar = new OC_Image();
|
|
$file = $this->folder->getFile('avatar.' . $ext);
|
|
$avatar->loadFromData($file->getContent());
|
|
$avatar->resize($size);
|
|
$data = $avatar->data();
|
|
}
|
|
|
|
try {
|
|
$file = $this->folder->newFile($path);
|
|
$file->putContent($data);
|
|
} catch (NotPermittedException $e) {
|
|
$this->logger->error('Failed to save avatar for ' . $this->user->getUID());
|
|
throw new NotFoundException();
|
|
}
|
|
}
|
|
|
|
if ($this->config->getUserValue($this->user->getUID(), 'avatar', 'generated', null) === null) {
|
|
$generated = $this->folder->fileExists('generated') ? 'true' : 'false';
|
|
$this->config->setUserValue($this->user->getUID(), 'avatar', 'generated', $generated);
|
|
}
|
|
|
|
return $file;
|
|
}
|
|
|
|
/**
|
|
* Returns the user display name.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getDisplayName(): string {
|
|
return $this->user->getDisplayName();
|
|
}
|
|
|
|
/**
|
|
* Handles user changes.
|
|
*
|
|
* @param string $feature The changed feature
|
|
* @param mixed $oldValue The previous value
|
|
* @param mixed $newValue The new value
|
|
* @throws NotPermittedException
|
|
* @throws \OCP\PreConditionNotMetException
|
|
*/
|
|
public function userChanged($feature, $oldValue, $newValue) {
|
|
// If the avatar is not generated (so an uploaded image) we skip this
|
|
if (!$this->folder->fileExists('generated')) {
|
|
return;
|
|
}
|
|
|
|
$this->remove();
|
|
}
|
|
|
|
/**
|
|
* Check if the avatar of a user is a custom uploaded one
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function isCustomAvatar(): bool {
|
|
return $this->config->getUserValue($this->user->getUID(), 'avatar', 'generated', 'false') !== 'true';
|
|
}
|
|
}
|