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<?php |
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namespace SilverStripe\DocumentConverter; |
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use CURLFile; |
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use SilverStripe\Assets\Folder; |
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use SilverStripe\Core\Config\Configurable; |
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use SilverStripe\Core\Environment; |
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use SilverStripe\Core\Injector\Injectable; |
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use SilverStripe\ORM\DataObject; |
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use ZipArchive; |
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/** |
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* Utility class hiding the specifics of the document conversion process. |
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*/ |
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class ServiceConnector |
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{ |
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use Configurable; |
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use Injectable; |
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/** |
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* @config |
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* @var array Docvert connection username |
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*/ |
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private static $username = null; |
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/** |
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* @config |
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* @var array Docvert connection password |
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*/ |
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private static $password = null; |
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/** |
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* @config |
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* @var array Docvert service URL |
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*/ |
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private static $url = null; |
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/** |
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* Associative array of: |
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* - name: the full name of the file including the extension. |
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* - path: the path to the file on the local filesystem. |
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* - mimeType |
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*/ |
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protected $fileDescriptor; |
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/** |
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* @var int |
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* ID of a SilverStripe\Assets\Folder |
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*/ |
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protected $chosenFolderID; |
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/** |
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* @var array instance specific connection details |
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*/ |
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protected $docvertDetails = [ |
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'username' => null, |
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'password' => null, |
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'url' => null |
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]; |
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public function __construct($fileDescriptor, $chosenFolderID = null) |
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{ |
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$this->fileDescriptor = $fileDescriptor; |
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$this->chosenFolderID = $chosenFolderID; |
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} |
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/** |
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* Retrieves detail in priority order from |
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* 1. local instance field |
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* 2. Config |
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* 3. Environment |
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* |
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* @param string $detail key name for detail |
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* @return string the value for that key |
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*/ |
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protected function getDetail($detail) |
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{ |
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$fromDetails = $this->docvertDetails[$detail]; |
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if ($fromDetails) { |
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return $fromDetails; |
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} |
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$fromConfig = $this->config()->get($detail); |
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if ($fromConfig) { |
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return $fromConfig; |
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} |
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$fromEnv = Environment::getEnv('DOCVERT_' . strtoupper($detail)); |
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if ($fromEnv) { |
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return $fromEnv; |
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} |
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} |
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public function setUsername($username = null) |
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{ |
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$this->docvertDetails['username'] = $username; |
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return $this; |
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} |
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public function getUsername() |
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{ |
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return $this->getDetail('username'); |
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} |
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public function setPassword($password = null) |
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{ |
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$this->docvertDetails['password'] = $password; |
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return $this; |
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} |
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public function getPassword() |
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{ |
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return $this->getDetail('password'); |
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} |
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public function setUrl($url = null) |
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{ |
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$this->docvertDetails['url'] = $url; |
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return $this; |
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} |
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public function getUrl() |
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{ |
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return $this->getDetail('url'); |
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} |
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public function import() |
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{ |
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$ch = curl_init(); |
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$file = new CURLFile( |
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$this->fileDescriptor['path'], |
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$this->fileDescriptor['mimeType'], |
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$this->fileDescriptor['name'] |
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); |
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curl_setopt_array($ch, [ |
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CURLOPT_URL => $this->getUrl(), |
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CURLOPT_USERPWD => sprintf('%s:%s', $this->getUsername(), $this->getPassword()), |
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CURLOPT_POST => 1, |
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CURLOPT_POSTFIELDS => ['file' => $file], |
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CURLOPT_CONNECTTIMEOUT => 25, |
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CURLOPT_TIMEOUT => 100, |
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]); |
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$chosenFolder = ($this->chosenFolderID) ? DataObject::get_by_id(Folder::class, $this->chosenFolderID) : null; |
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$folderName = ($chosenFolder) ? '/' . $chosenFolder->Name : ''; |
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$outname = tempnam(ASSETS_PATH, 'convert'); |
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$outzip = $outname . '.zip'; |
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$out = fopen($outzip, 'w'); |
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curl_setopt($ch, CURLOPT_FILE, $out); |
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$returnValue = curl_exec($ch); |
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$status = curl_getinfo($ch, CURLINFO_HTTP_CODE); |
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curl_close($ch); |
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fclose($out); |
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chmod($outzip, 0666); |
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if (!$returnValue || ($status != 200)) { |
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return ['error' => _t( |
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__CLASS__ . '.SERVERUNREACHABLE', |
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'Could not contact document conversion server. Please try again later ' . |
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'or contact your system administrator.', |
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'Document Converter process Word documents into HTML.' |
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)]; |
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} |
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// extract the converted document into assets |
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// you need php zip, e.g. apt-get install php-zip |
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$zip = new ZipArchive(); |
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if ($zip->open($outzip)) { |
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$zip->extractTo(ASSETS_PATH .$folderName); |
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$zip->close(); |
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} |
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// remove temporary files |
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unlink($outname); |
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unlink($outzip); |
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if (!file_exists(ASSETS_PATH . $folderName . '/index.html')) { |
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return ['error' => _t( |
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__CLASS__ . '.PROCESSFAILED', |
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'Could not process document, please double-check you uploaded a .doc or .docx format.', |
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'Document Converter processes Word documents into HTML.' |
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)]; |
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} |
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$content = file_get_contents(ASSETS_PATH . $folderName . '/index.html'); |
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unlink(ASSETS_PATH . $folderName . '/index.html'); |
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return $content; |
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} |
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} |
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