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<?php /** * Copyright 2017 Facebook, Inc. * * You are hereby granted a non-exclusive, worldwide, royalty-free license to * use, copy, modify, and distribute this software in source code or binary * form for use in connection with the web services and APIs provided by * Facebook. * * As with any software that integrates with the Facebook platform, your use * of this software is subject to the Facebook Developer Principles and * Policies [http://developers.facebook.com/policy/]. This copyright notice * shall be included in all copies or substantial portions of the software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * */ /** * @copyright (C) 2013 iJoomla, Inc. - All rights reserved. * @license GNU General Public License, version 2 (http://www.gnu.org/licenses/gpl-2.0.html) * @author iJoomla.com <webmaster@ijoomla.com> * @url https://www.jomsocial.com/license-agreement * The PHP code portions are distributed under the GPL license. If not otherwise stated, all images, manuals, cascading style sheets, and included JavaScript *are NOT GPL, and are released under the IJOOMLA Proprietary Use License v1.0 * More info at https://www.jomsocial.com/license-agreement */ namespace Facebook\FileUpload; use Facebook\Exceptions\FacebookSDKException; defined('_JEXEC') or die('Restricted access'); /** * Class FacebookFile * * @package Facebook */ class FacebookFile { /** * @var string The path to the file on the system. */ protected $path; /** * @var int The maximum bytes to read. Defaults to -1 (read all the remaining buffer). */ private $maxLength; /** * @var int Seek to the specified offset before reading. If this number is negative, no seeking will occur and reading will start from the current position. */ private $offset; /** * @var resource The stream pointing to the file. */ protected $stream; /** * Creates a new FacebookFile entity. * * @param string $filePath * @param int $maxLength * @param int $offset * * @throws FacebookSDKException */ public function __construct($filePath, $maxLength = -1, $offset = -1) { $this->path = $filePath; $this->maxLength = $maxLength; $this->offset = $offset; $this->open(); } /** * Closes the stream when destructed. */ public function __destruct() { $this->close(); } /** * Opens a stream for the file. * * @throws FacebookSDKException */ public function open() { if (!$this->isRemoteFile($this->path) && !is_readable($this->path)) { throw new FacebookSDKException('Failed to create FacebookFile entity. Unable to read resource: ' . $this->path . '.'); } $this->stream = fopen($this->path, 'r'); if (!$this->stream) { throw new FacebookSDKException('Failed to create FacebookFile entity. Unable to open resource: ' . $this->path . '.'); } } /** * Stops the file stream. */ public function close() { if (is_resource($this->stream)) { fclose($this->stream); } } /** * Return the contents of the file. * * @return string */ public function getContents() { return stream_get_contents($this->stream, $this->maxLength, $this->offset); } /** * Return the name of the file. * * @return string */ public function getFileName() { return basename($this->path); } /** * Return the path of the file. * * @return string */ public function getFilePath() { return $this->path; } /** * Return the size of the file. * * @return int */ public function getSize() { return filesize($this->path); } /** * Return the mimetype of the file. * * @return string */ public function getMimetype() { return Mimetypes::getInstance()->fromFilename($this->path) ?: 'text/plain'; } /** * Returns true if the path to the file is remote. * * @param string $pathToFile * * @return boolean */ protected function isRemoteFile($pathToFile) { return preg_match('/^(https?|ftp):\/\/.*/', $pathToFile) === 1; } }
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