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<?php |
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/* |
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* |
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* @Project Expression project.displayName is undefined on line 5, column 35 in Templates/Licenses/license-default.txt. |
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* @Copyright Djoudi |
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* @Created 2017-02-11 |
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* @Filename FilesStorage.php |
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* @Description |
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* |
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*/ |
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namespace Djoudi\LaravelH5p\Storages; |
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use H5PFileStorage; |
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//use Illuminate\Filesystem\Filesystem; |
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//use Symfony\Component\Finder\Finder; |
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class LaravelH5pStorage implements H5PFileStorage |
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{ |
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private $path; |
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private $alteditorpath; |
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/** |
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* The great Constructor! |
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* |
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* @param string $path |
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* The base location of H5P files |
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* @param string $alteditorpath |
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* Optional. Use a different editor path |
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*/ |
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public function __construct($path, $alteditorpath = null) |
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{ |
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// Set H5P storage path |
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$this->path = $path; |
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$this->alteditorpath = $alteditorpath; |
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} |
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public function hasPresave($libraryName, $developmentPath = null){ |
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} |
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public function getUpgradeScript($machineName, $majorVersion, $minorVersion){} |
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/** |
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* Store the library folder. |
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* |
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* @param array $library |
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* Library properties |
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*/ |
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public function saveLibrary($library) |
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{ |
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$dest = $this->path.'/libraries/'.\H5PCore::libraryToString($library, true); |
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// Make sure destination dir doesn't exist |
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\H5PCore::deleteFileTree($dest); |
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// Move library folder |
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self::copyFileTree($library['uploadDirectory'], $dest); |
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} |
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/** |
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* Store the content folder. |
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* |
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* @param string $source |
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* Path on file system to content directory. |
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* @param array $content |
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* Content properties |
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*/ |
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public function saveContent($source, $content) |
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{ |
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$dest = "{$this->path}/content/{$content['id']}"; |
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// Remove any old content |
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\H5PCore::deleteFileTree($dest); |
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self::copyFileTree($source, $dest); |
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} |
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/** |
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* Remove content folder. |
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* |
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* @param array $content |
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* Content properties |
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*/ |
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public function deleteContent($content) |
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{ |
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\H5PCore::deleteFileTree("{$this->path}/content/{$content['id']}"); |
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} |
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/** |
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* Creates a stored copy of the content folder. |
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* |
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* @param string $id |
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* Identifier of content to clone. |
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* @param int $newId |
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* The cloned content's identifier |
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*/ |
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public function cloneContent($id, $newId) |
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{ |
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$path = $this->path.'/content/'; |
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if (file_exists($path.$id)) { |
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self::copyFileTree($path.$id, $path.$newId); |
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} |
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} |
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/** |
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* Get path to a new unique tmp folder. |
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* |
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* @return string |
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* Path |
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*/ |
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public function getTmpPath() |
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{ |
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$temp = "{$this->path}/temp"; |
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self::dirReady($temp); |
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return "{$temp}/".uniqid('h5p-'); |
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} |
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/** |
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* Fetch content folder and save in target directory. |
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* |
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* @param int $id |
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* Content identifier |
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* @param string $target |
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* Where the content folder will be saved |
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*/ |
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public function exportContent($id, $target) |
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{ |
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$source = "{$this->path}/content/{$id}"; |
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if (file_exists($source)) { |
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// Copy content folder if it exists |
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self::copyFileTree($source, $target); |
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} else { |
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// No contnet folder, create emty dir for content.json |
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self::dirReady($target); |
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} |
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} |
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/** |
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* Fetch library folder and save in target directory. |
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* |
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* @param array $library |
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* Library properties |
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* @param string $target |
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* Where the library folder will be saved |
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* @param string $developmentPath |
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* Folder that library resides in |
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*/ |
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public function exportLibrary($library, $target, $developmentPath = null) |
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{ |
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$folder = \H5PCore::libraryToString($library, true); |
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$srcPath = ($developmentPath === null ? "/libraries/{$folder}" : $developmentPath); |
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self::copyFileTree("{$this->path}{$srcPath}", "{$target}/{$folder}"); |
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} |
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/** |
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* Save export in file system. |
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* |
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* @param string $source |
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* Path on file system to temporary export file. |
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* @param string $filename |
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* Name of export file. |
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* |
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* @throws Exception Unable to save the file |
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*/ |
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public function saveExport($source, $filename) |
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{ |
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$this->deleteExport($filename); |
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if (!self::dirReady("{$this->path}/exports")) { |
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throw new Exception('Unable to create directory for H5P export file.'); |
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} |
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if (!copy($source, "{$this->path}/exports/{$filename}")) { |
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throw new Exception('Unable to save H5P export file.'); |
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} |
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} |
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/** |
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* Removes given export file. |
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* |
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* @param string $filename |
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*/ |
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public function deleteExport($filename) |
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{ |
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$target = "{$this->path}/exports/{$filename}"; |
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if (file_exists($target)) { |
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unlink($target); |
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} |
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} |
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/** |
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* Check if the given export file exists. |
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* |
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* @param string $filename |
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* |
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* @return bool |
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*/ |
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public function hasExport($filename) |
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{ |
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$target = "{$this->path}/exports/{$filename}"; |
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return file_exists($target); |
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} |
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/** |
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* Will concatenate all JavaScrips and Stylesheets into two files in order |
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* to improve page performance. |
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* |
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* @param array $files |
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* A set of all the assets required for content to display |
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* @param string $key |
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* Hashed key for cached asset |
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*/ |
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public function cacheAssets(&$files, $key) |
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{ |
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foreach ($files as $type => $assets) { |
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if (empty($assets)) { |
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continue; // Skip no assets |
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} |
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$content = ''; |
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foreach ($assets as $asset) { |
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// Get content from asset file |
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$assetContent = file_get_contents($this->path.$asset->path); |
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$cssRelPath = preg_replace('/[^\/]+$/', '', $asset->path); |
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// Get file content and concatenate |
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if ($type === 'scripts') { |
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$content .= $assetContent.";\n"; |
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} else { |
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// Rewrite relative URLs used inside stylesheets |
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$content .= preg_replace_callback( |
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'/url\([\'"]?([^"\')]+)[\'"]?\)/i', function ($matches) use ($cssRelPath) { |
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if (preg_match("/^(data:|([a-z0-9]+:)?\/)/i", $matches[1]) === 1) { |
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return $matches[0]; // Not relative, skip |
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} |
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return 'url("../'.$cssRelPath.$matches[1].'")'; |
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}, $assetContent)."\n"; |
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} |
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} |
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self::dirReady("{$this->path}/cachedassets"); |
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$ext = ($type === 'scripts' ? 'js' : 'css'); |
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$outputfile = "/cachedassets/{$key}.{$ext}"; |
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file_put_contents($this->path.$outputfile, $content); |
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$files[$type] = [(object) [ |
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'path' => $outputfile, |
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'version' => '', |
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]]; |
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} |
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} |
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/** |
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* Will check if there are cache assets available for content. |
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* |
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* @param string $key |
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* Hashed key for cached asset |
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* |
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* @return array |
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*/ |
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public function getCachedAssets($key) |
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{ |
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$files = []; |
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$js = "/cachedassets/{$key}.js"; |
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if (file_exists($this->path.$js)) { |
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$files['scripts'] = [(object) [ |
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'path' => $js, |
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'version' => '', |
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]]; |
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} |
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$css = "/cachedassets/{$key}.css"; |
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if (file_exists($this->path.$css)) { |
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$files['styles'] = [(object) [ |
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'path' => $css, |
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'version' => '', |
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]]; |
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} |
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return empty($files) ? null : $files; |
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} |
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/** |
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* Remove the aggregated cache files. |
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* |
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* @param array $keys |
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* The hash keys of removed files |
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*/ |
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public function deleteCachedAssets($keys) |
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{ |
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foreach ($keys as $hash) { |
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foreach (['js', 'css'] as $ext) { |
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$path = "{$this->path}/cachedassets/{$hash}.{$ext}"; |
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if (file_exists($path)) { |
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unlink($path); |
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} |
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} |
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} |
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} |
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/** |
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* Read file content of given file and then return it. |
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* |
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* @param string $file_path |
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* |
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* @return string |
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*/ |
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public function getContent($file_path) |
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{ |
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return file_get_contents($file_path); |
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} |
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/** |
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* Save files uploaded through the editor. |
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* The files must be marked as temporary until the content form is saved. |
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* |
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* @param \H5peditorFile $file |
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* @param int $contentid |
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*/ |
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public function saveFile($file, $contentId) |
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{ |
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// Prepare directory |
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if (empty($contentId)) { |
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// Should be in editor tmp folder |
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$path = $this->getEditorPath(); |
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} else { |
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// Should be in content folder |
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$path = $this->path.'/content/'.$contentId; |
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} |
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$path .= '/'.$file->getType().'s'; |
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self::dirReady($path); |
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// Add filename to path |
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$path .= '/'.$file->getName(); |
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$fileData = $file->getData(); |
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if ($fileData) { |
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file_put_contents($path, $fileData); |
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} else { |
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copy($_FILES['file']['tmp_name'], $path); |
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} |
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return $file; |
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} |
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/** |
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* Copy a file from another content or editor tmp dir. |
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* Used when copy pasting content in H5P Editor. |
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* |
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* @param string $file path + name |
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* @param string|int $fromid Content ID or 'editor' string |
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* @param int $toid Target Content ID |
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*/ |
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public function cloneContentFile($file, $fromId, $toId) |
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{ |
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// Determine source path |
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if ($fromId === 'editor') { |
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$sourcepath = $this->getEditorPath(); |
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} else { |
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$sourcepath = "{$this->path}/content/{$fromId}"; |
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} |
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$sourcepath .= '/'.$file; |
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// Determine target path |
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$filename = basename($file); |
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$filedir = str_replace($filename, '', $file); |
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$targetpath = "{$this->path}/content/{$toId}/{$filedir}"; |
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// Make sure it's ready |
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self::dirReady($targetpath); |
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$targetpath .= $filename; |
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// Check to see if source exist and if target doesn't |
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if (!file_exists($sourcepath) || file_exists($targetpath)) { |
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return; // Nothing to copy from or target already exists |
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} |
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copy($sourcepath, $targetpath); |
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} |
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/** |
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* Copy a content from one directory to another. Defaults to cloning |
392
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|
|
* content from the current temporary upload folder to the editor path. |
393
|
|
|
* |
394
|
|
|
* @param string $source path to source directory |
395
|
|
|
* @param string $contentId Id of content |
396
|
|
|
* |
397
|
|
|
* @return object Object containing h5p json and content json data |
398
|
|
|
*/ |
399
|
|
|
public function moveContentDirectory($source, $contentId = null) |
400
|
|
|
{ |
401
|
|
|
if ($source === null) { |
|
|
|
|
402
|
|
|
return; |
403
|
|
|
} |
404
|
|
|
|
405
|
|
|
if ($contentId === null || $contentId == 0) { |
406
|
|
|
$target = $this->getEditorPath(); |
407
|
|
|
} else { |
408
|
|
|
// Use content folder |
409
|
|
|
$target = "{$this->path}/content/{$contentId}"; |
410
|
|
|
} |
411
|
|
|
|
412
|
|
|
$contentSource = $source.DIRECTORY_SEPARATOR.'content'; |
413
|
|
|
$contentFiles = array_diff(scandir($contentSource), ['.', '..', 'content.json']); |
|
|
|
|
414
|
|
|
foreach ($contentFiles as $file) { |
415
|
|
|
if (is_dir("{$contentSource}/{$file}")) { |
416
|
|
|
self::copyFileTree("{$contentSource}/{$file}", "{$target}/{$file}"); |
417
|
|
|
} else { |
418
|
|
|
copy("{$contentSource}/{$file}", "{$target}/{$file}"); |
419
|
|
|
} |
420
|
|
|
} |
421
|
|
|
|
422
|
|
|
// Successfully loaded content json of file into editor |
423
|
|
|
$h5pJson = $this->getContent($source.DIRECTORY_SEPARATOR.'h5p.json'); |
424
|
|
|
$contentJson = $this->getContent($contentSource.DIRECTORY_SEPARATOR.'content.json'); |
425
|
|
|
|
426
|
|
|
return (object) [ |
427
|
|
|
'h5pJson' => $h5pJson, |
428
|
|
|
'contentJson' => $contentJson, |
429
|
|
|
]; |
430
|
|
|
} |
431
|
|
|
|
432
|
|
|
/** |
433
|
|
|
* Checks to see if content has the given file. |
434
|
|
|
* Used when saving content. |
435
|
|
|
* |
436
|
|
|
* @param string $file path + name |
437
|
|
|
* @param int $contentId |
438
|
|
|
* |
439
|
|
|
* @return string File ID or NULL if not found |
440
|
|
|
*/ |
441
|
|
|
public function getContentFile($file, $contentId) |
442
|
|
|
{ |
443
|
|
|
$path = "{$this->path}/content/{$contentId}/{$file}"; |
444
|
|
|
|
445
|
|
|
return file_exists($path) ? $path : null; |
446
|
|
|
} |
447
|
|
|
|
448
|
|
|
/** |
449
|
|
|
* Checks to see if content has the given file. |
450
|
|
|
* Used when saving content. |
451
|
|
|
* |
452
|
|
|
* @param string $file path + name |
453
|
|
|
* @param int $contentid |
454
|
|
|
* |
455
|
|
|
* @return string|int File ID or NULL if not found |
456
|
|
|
*/ |
457
|
|
|
public function removeContentFile($file, $contentId) |
458
|
|
|
{ |
459
|
|
|
$path = "{$this->path}/content/{$contentId}/{$file}"; |
460
|
|
|
if (file_exists($path)) { |
461
|
|
|
unlink($path); |
462
|
|
|
} |
463
|
|
|
} |
464
|
|
|
|
465
|
|
|
/** |
466
|
|
|
* Check if server setup has write permission to |
467
|
|
|
* the required folders. |
468
|
|
|
* |
469
|
|
|
* @return bool True if site can write to the H5P files folder |
470
|
|
|
*/ |
471
|
|
|
public function hasWriteAccess() |
472
|
|
|
{ |
473
|
|
|
return self::dirReady($this->path); |
474
|
|
|
} |
475
|
|
|
|
476
|
|
|
/** |
477
|
|
|
* Recursive function for copying directories. |
478
|
|
|
* |
479
|
|
|
* @param string $source |
480
|
|
|
* From path |
481
|
|
|
* @param string $destination |
482
|
|
|
* To path |
483
|
|
|
* |
484
|
|
|
* @throws Exception Unable to copy the file |
485
|
|
|
* |
486
|
|
|
* @return bool |
487
|
|
|
* Indicates if the directory existed. |
488
|
|
|
*/ |
489
|
|
|
private static function copyFileTree($source, $destination) |
490
|
|
|
{ |
491
|
|
|
if (!self::dirReady($destination)) { |
492
|
|
|
throw new \Exception('unabletocopy'); |
493
|
|
|
} |
494
|
|
|
|
495
|
|
|
$ignoredFiles = self::getIgnoredFiles("{$source}/.h5pignore"); |
496
|
|
|
|
497
|
|
|
$dir = opendir($source); |
498
|
|
|
if ($dir === false) { |
499
|
|
|
trigger_error('Unable to open directory '.$source, E_USER_WARNING); |
500
|
|
|
|
501
|
|
|
throw new \Exception('unabletocopy'); |
502
|
|
|
} |
503
|
|
|
|
504
|
|
|
while (false !== ($file = readdir($dir))) { |
505
|
|
|
if (($file != '.') && ($file != '..') && $file != '.git' && $file != '.gitignore' && !in_array($file, $ignoredFiles)) { |
506
|
|
|
if (is_dir("{$source}/{$file}")) { |
507
|
|
|
self::copyFileTree("{$source}/{$file}", "{$destination}/{$file}"); |
508
|
|
|
} else { |
509
|
|
|
copy("{$source}/{$file}", "{$destination}/{$file}"); |
510
|
|
|
} |
511
|
|
|
} |
512
|
|
|
} |
513
|
|
|
closedir($dir); |
514
|
|
|
} |
515
|
|
|
|
516
|
|
|
/** |
517
|
|
|
* Retrieve array of file names from file. |
518
|
|
|
* |
519
|
|
|
* @param string $file |
520
|
|
|
* |
521
|
|
|
* @return array Array with files that should be ignored |
522
|
|
|
*/ |
523
|
|
|
private static function getIgnoredFiles($file) |
524
|
|
|
{ |
525
|
|
|
if (file_exists($file) === false) { |
526
|
|
|
return []; |
527
|
|
|
} |
528
|
|
|
|
529
|
|
|
$contents = file_get_contents($file); |
530
|
|
|
if ($contents === false) { |
531
|
|
|
return []; |
532
|
|
|
} |
533
|
|
|
|
534
|
|
|
return preg_split('/\s+/', $contents); |
|
|
|
|
535
|
|
|
} |
536
|
|
|
|
537
|
|
|
/** |
538
|
|
|
* Recursive function that makes sure the specified directory exists and |
539
|
|
|
* is writable. |
540
|
|
|
* |
541
|
|
|
* @param string $path |
542
|
|
|
* |
543
|
|
|
* @return bool |
544
|
|
|
*/ |
545
|
|
|
private static function dirReady($path) |
546
|
|
|
{ |
547
|
|
|
if (!file_exists($path)) { |
548
|
|
|
$parent = preg_replace("/\/[^\/]+\/?$/", '', $path); |
549
|
|
|
if (!self::dirReady($parent)) { |
550
|
|
|
return false; |
551
|
|
|
} |
552
|
|
|
|
553
|
|
|
mkdir($path, 0777, true); |
554
|
|
|
} |
555
|
|
|
|
556
|
|
|
if (!is_dir($path)) { |
557
|
|
|
trigger_error('Path is not a directory '.$path, E_USER_WARNING); |
558
|
|
|
|
559
|
|
|
return false; |
560
|
|
|
} |
561
|
|
|
|
562
|
|
|
if (!is_writable($path)) { |
563
|
|
|
trigger_error('Unable to write to '.$path.' – check directory permissions –', E_USER_WARNING); |
564
|
|
|
|
565
|
|
|
return false; |
566
|
|
|
} |
567
|
|
|
|
568
|
|
|
return true; |
569
|
|
|
} |
570
|
|
|
|
571
|
|
|
/** |
572
|
|
|
* Easy helper function for retrieving the editor path. |
573
|
|
|
* |
574
|
|
|
* @return string Path to editor files |
575
|
|
|
*/ |
576
|
|
|
private function getEditorPath() |
577
|
|
|
{ |
578
|
|
|
return $this->path.'/editor'; |
579
|
|
|
// return ($this->alteditorpath !== NULL ? $this->alteditorpath : "{$this->path}/editor"); |
580
|
|
|
} |
581
|
|
|
} |
582
|
|
|
|