Initial commit

lib/Controller/PrinterController.php

@@ -0,0 +1,81 @@
+<?php
+namespace OCA\Printer\Controller;
+
+use OCP\AppFramework\Controller;
+use OCP\IRequest;
+use OC\Files\Filesystem;
+use OCP\AppFramework\Http\JSONResponse;
+
+
+class PrinterController extends Controller {
+
+		protected $language;
+
+		public function __construct($appName, IRequest $request) {
+
+				parent::__construct($appName, $request);
+
+				// get i10n
+				$this->language = \OC::$server->getL10N('printer');
+
+		}
+
+		/**
+		 * callback function to get md5 hash of a file
+		 * @NoAdminRequired
+		 * @param (string) $source - filename
+		 * @param (string) $orientation - Orientation of printed file
+		 */
+	  public function printfile($source, $orientation) {
+	  		if(!$this->checkAlgorithmType($type)) {
+	  			return new JSONResponse(
+							array(
+									'response' => 'error',
+									'msg' => $this->language->t('Print failed!')
+							)
+					);
+	  		}
+
+				if($hash = $this->getHash($source, $type)){
+						return new JSONResponse(
+								array(
+										'response' => 'success',
+										'msg' => $this->language->t('Print succeeded!')
+								)
+						);
+				} else {
+						return new JSONResponse(
+								array(
+										'response' => 'error',
+										'msg' => $this->language->t('File to print not found.')
+								)
+						);
+				};
+
+	  }
+
+	  protected function getHash($source, $type) {
+
+	  	if($info = Filesystem::getLocalFile($source)) {
+	  			return hash_file($type, $info);
+	  	}
+
+	  	return false;
+	  }
+
+	  protected function checkAlgorithmType($type) {
+	  	$list_algos = hash_algos();
+	  	return in_array($type, $this->getAllowedAlgorithmTypes()) && in_array($type, $list_algos);
+	  }
+
+	  protected function getAllowedAlgorithmTypes() {
+	  	return array(
+				'md5',
+				'sha1',
+				'sha256',
+				'sha384',
+				'sha512',
+				'crc32'
+			);
+		}
+}