forked from friendica/friendica-addons
98 lines
2.5 KiB
PHP
98 lines
2.5 KiB
PHP
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<?php
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/**
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* GuessContentType plugin
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*
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* A lot of the built-in File objects just return application/octet-stream
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* as a content-type by default. This is a problem for some clients, because
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* they expect a correct contenttype.
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*
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* There's really no accurate, fast and portable way to determine the contenttype
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* so this extension does what the rest of the world does, and guesses it based
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* on the file extension.
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*
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* @package Sabre
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* @subpackage DAV
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* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
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* @author Evert Pot (http://www.rooftopsolutions.nl/)
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* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
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*/
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class Sabre_DAV_Browser_GuessContentType extends Sabre_DAV_ServerPlugin {
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/**
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* List of recognized file extensions
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*
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* Feel free to add more
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*
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* @var array
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*/
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public $extensionMap = array(
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// images
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'jpg' => 'image/jpeg',
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'gif' => 'image/gif',
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'png' => 'image/png',
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// groupware
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'ics' => 'text/calendar',
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'vcf' => 'text/x-vcard',
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// text
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'txt' => 'text/plain',
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);
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/**
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* Initializes the plugin
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*
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* @param Sabre_DAV_Server $server
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* @return void
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*/
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public function initialize(Sabre_DAV_Server $server) {
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// Using a relatively low priority (200) to allow other extensions
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// to set the content-type first.
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$server->subscribeEvent('afterGetProperties',array($this,'afterGetProperties'),200);
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}
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/**
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* Handler for teh afterGetProperties event
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*
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* @param string $path
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* @param array $properties
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* @return void
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*/
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public function afterGetProperties($path, &$properties) {
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if (array_key_exists('{DAV:}getcontenttype', $properties[404])) {
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list(, $fileName) = Sabre_DAV_URLUtil::splitPath($path);
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$contentType = $this->getContentType($fileName);
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if ($contentType) {
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$properties[200]['{DAV:}getcontenttype'] = $contentType;
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unset($properties[404]['{DAV:}getcontenttype']);
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}
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}
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}
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/**
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* Simple method to return the contenttype
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*
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* @param string $fileName
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* @return string
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*/
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protected function getContentType($fileName) {
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// Just grabbing the extension
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$extension = strtolower(substr($fileName,strrpos($fileName,'.')+1));
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if (isset($this->extensionMap[$extension]))
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return $this->extensionMap[$extension];
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}
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}
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