mirror of
https://github.com/nextcloud/server.git
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133 lines
3.2 KiB
PHP
133 lines
3.2 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OC\Avatar;
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use OC\NotSquareException;
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use OC\User\User;
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use OCP\Files\NotFoundException;
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use OCP\Files\NotPermittedException;
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use OCP\Files\SimpleFS\ISimpleFile;
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use OCP\Files\SimpleFS\ISimpleFolder;
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use OCP\IImage;
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use Psr\Log\LoggerInterface;
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/**
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* This class represents a registered user's placeholder avatar.
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*
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* It generates an image based on the user's initials and caches it on storage
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* for faster retrieval, unlike the GuestAvatar.
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*/
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class PlaceholderAvatar extends Avatar {
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public function __construct(
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private ISimpleFolder $folder,
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private User $user,
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LoggerInterface $logger,
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) {
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parent::__construct($logger);
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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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public function exists(): bool {
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return true;
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}
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/**
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* Sets the users avatar.
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*
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* @param IImage|resource|string $data An image object, imagedata or path to set a new avatar
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* @throws \Exception if the provided file is not a jpg or png image
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* @throws \Exception if the provided image is not valid
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* @throws NotSquareException if the image is not square
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*/
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public function set($data): void {
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// unimplemented for placeholder avatars
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}
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/**
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* Removes the users avatar.
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*/
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public function remove(bool $silent = false): void {
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$avatars = $this->folder->getDirectoryListing();
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foreach ($avatars as $avatar) {
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$avatar->delete();
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}
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}
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/**
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* Returns the avatar for an user.
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*
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* If there is no avatar file yet, one is generated.
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*
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* @throws NotFoundException
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* @throws \OCP\Files\NotPermittedException
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* @throws \OCP\PreConditionNotMetException
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*/
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public function getFile(int $size, bool $darkTheme = false): ISimpleFile {
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$ext = 'png';
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if ($size === -1) {
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$path = 'avatar-placeholder' . ($darkTheme ? '-dark' : '') . '.' . $ext;
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} else {
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$path = 'avatar-placeholder' . ($darkTheme ? '-dark' : '') . '.' . $size . '.' . $ext;
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}
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try {
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$file = $this->folder->getFile($path);
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} catch (NotFoundException $e) {
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if ($size <= 0) {
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throw new NotFoundException;
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}
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if (!$data = $this->generateAvatarFromSvg($size, $darkTheme)) {
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$data = $this->generateAvatar($this->getDisplayName(), $size, $darkTheme);
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}
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try {
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$file = $this->folder->newFile($path);
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$file->putContent($data);
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} catch (NotPermittedException $e) {
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$this->logger->error('Failed to save avatar placeholder for ' . $this->user->getUID());
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throw new NotFoundException();
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}
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}
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return $file;
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}
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/**
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* Returns the user display name.
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*/
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public function getDisplayName(): string {
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return $this->user->getDisplayName();
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}
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/**
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* Handles user changes.
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*
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* @param string $feature The changed feature
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* @param mixed $oldValue The previous value
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* @param mixed $newValue The new value
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* @throws NotPermittedException
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* @throws \OCP\PreConditionNotMetException
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*/
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public function userChanged(string $feature, $oldValue, $newValue): void {
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$this->remove();
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}
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/**
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* Check if the avatar of a user is a custom uploaded one
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*/
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public function isCustomAvatar(): bool {
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return false;
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}
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}
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