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Merge pull request #26872 from owncloud/dav-avatars
Adding dav resource for avatars
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<?php | ||
/** | ||
* @author Thomas Müller <thomas.mueller@tmit.eu> | ||
* | ||
* @copyright Copyright (c) 2016, ownCloud GmbH | ||
* @license AGPL-3.0 | ||
* | ||
* This code is free software: you can redistribute it and/or modify | ||
* it under the terms of the GNU Affero General Public License, version 3, | ||
* as published by the Free Software Foundation. | ||
* | ||
* 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, version 3, | ||
* along with this program. If not, see <http://www.gnu.org/licenses/> | ||
* | ||
*/ | ||
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namespace OCA\DAV\Avatars; | ||
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use OCP\IAvatarManager; | ||
use Sabre\DAV\Exception\Forbidden; | ||
use Sabre\DAV\Exception\MethodNotAllowed; | ||
use Sabre\DAV\Exception\NotFound; | ||
use Sabre\DAV\ICollection; | ||
use Sabre\HTTP\URLUtil; | ||
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class AvatarHome implements ICollection { | ||
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/** @var array */ | ||
private $principalInfo; | ||
/** @var IAvatarManager */ | ||
private $avatarManager; | ||
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/** | ||
* AvatarHome constructor. | ||
* | ||
* @param array $principalInfo | ||
*/ | ||
public function __construct($principalInfo, IAvatarManager $avatarManager) { | ||
$this->principalInfo = $principalInfo; | ||
$this->avatarManager = $avatarManager; | ||
} | ||
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function createFile($name, $data = null) { | ||
throw new Forbidden('Permission denied to create a file'); | ||
} | ||
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function createDirectory($name) { | ||
throw new Forbidden('Permission denied to create a folder'); | ||
} | ||
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function getChild($name) { | ||
$elements = pathinfo($name); | ||
$ext = isset($elements['extension']) ? $elements['extension'] : ''; | ||
$size = intval(isset($elements['filename']) ? $elements['filename'] : '64'); | ||
if (!in_array($ext, ['jpeg', 'png'])) { | ||
throw new MethodNotAllowed('File format not allowed'); | ||
} | ||
if ($size <= 0 || $size > 1024) { | ||
throw new MethodNotAllowed('Invalid image size'); | ||
} | ||
$avatar = $this->avatarManager->getAvatar($this->getName()); | ||
if ($avatar === null || !$avatar->exists()) { | ||
throw new NotFound(); | ||
} | ||
return new AvatarNode($size, $ext, $avatar); | ||
} | ||
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function getChildren() { | ||
try { | ||
return [ | ||
$this->getChild('96.jpeg') | ||
]; | ||
} catch(NotFound $exception) { | ||
return []; | ||
} | ||
} | ||
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function childExists($name) { | ||
try { | ||
$ret = $this->getChild($name); | ||
return !is_null($ret); | ||
} catch (NotFound $ex) { | ||
return false; | ||
} catch (MethodNotAllowed $ex) { | ||
return false; | ||
} | ||
} | ||
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function delete() { | ||
throw new Forbidden('Permission denied to delete this folder'); | ||
} | ||
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function getName() { | ||
list(,$name) = URLUtil::splitPath($this->principalInfo['uri']); | ||
return $name; | ||
} | ||
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function setName($name) { | ||
throw new Forbidden('Permission denied to rename this folder'); | ||
} | ||
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/** | ||
* Returns the last modification time, as a unix timestamp | ||
* | ||
* @return int | ||
*/ | ||
function getLastModified() { | ||
return null; | ||
} | ||
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} |
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@@ -0,0 +1,97 @@ | ||
<?php | ||
/** | ||
* @author Thomas Müller <thomas.mueller@tmit.eu> | ||
* | ||
* @copyright Copyright (c) 2016, ownCloud GmbH | ||
* @license AGPL-3.0 | ||
* | ||
* This code is free software: you can redistribute it and/or modify | ||
* it under the terms of the GNU Affero General Public License, version 3, | ||
* as published by the Free Software Foundation. | ||
* | ||
* 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, version 3, | ||
* along with this program. If not, see <http://www.gnu.org/licenses/> | ||
* | ||
*/ | ||
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namespace OCA\DAV\Avatars; | ||
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use OCP\IAvatar; | ||
use Sabre\DAV\File; | ||
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class AvatarNode extends File { | ||
private $ext; | ||
private $size; | ||
private $avatar; | ||
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/** | ||
* AvatarNode constructor. | ||
* | ||
* @param integer $size | ||
* @param string $ext | ||
* @param IAvatar $avatar | ||
*/ | ||
public function __construct($size, $ext, $avatar) { | ||
$this->size = $size; | ||
$this->ext = $ext; | ||
$this->avatar = $avatar; | ||
} | ||
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/** | ||
* Returns the name of the node. | ||
* | ||
* This is used to generate the url. | ||
* | ||
* @return string | ||
*/ | ||
function getName() { | ||
return "$this->size.$this->ext"; | ||
} | ||
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function get() { | ||
$image = $this->avatar->get($this->size); | ||
$res = $image->resource(); | ||
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ob_start(); | ||
if ($this->ext === 'png') { | ||
imagepng($res); | ||
} | ||
imagejpeg($res); | ||
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return ob_get_clean(); | ||
} | ||
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/** | ||
* Returns the mime-type for a file | ||
* | ||
* If null is returned, we'll assume application/octet-stream | ||
* | ||
* @return string|null | ||
*/ | ||
function getContentType() { | ||
if ($this->ext === 'png') { | ||
return 'image/png'; | ||
} | ||
return 'image/jpeg'; | ||
} | ||
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function getETag() { | ||
return $this->avatar->getFile($this->size)->getEtag(); | ||
} | ||
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function getLastModified() { | ||
$timestamp = $this->avatar->getFile($this->size)->getMTime(); | ||
if (!empty($timestamp)) { | ||
return (int)$timestamp; | ||
} | ||
return $timestamp; | ||
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} | ||
} |
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<?php | ||
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namespace OCA\DAV\Avatars; | ||
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use Sabre\DAVACL\AbstractPrincipalCollection; | ||
use Sabre\DAVACL\IPrincipal; | ||
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class RootCollection extends AbstractPrincipalCollection { | ||
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/** | ||
* This method returns a node for a principal. | ||
* | ||
* The passed array contains principal information, and is guaranteed to | ||
* at least contain a uri item. Other properties may or may not be | ||
* supplied by the authentication backend. | ||
* | ||
* @param array $principalInfo | ||
* @return AvatarHome | ||
*/ | ||
function getChildForPrincipal(array $principalInfo) { | ||
$avatarManager = \OC::$server->getAvatarManager(); | ||
return new AvatarHome($principalInfo, $avatarManager); | ||
} | ||
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function getName() { | ||
return 'avatars'; | ||
} | ||
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} |
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