| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * JSON Request handler. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * This class handles all incoming JSON requests from the client. In short, it receives the JSON, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * decodes JSON data, then sends the requests to the correct modules, and builds the reply JSON. The reply | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * JSON is encoded and then returned for reply. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  */ | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 10 |  |  | class JSONRequest { | 
            
                                                                        
                            
            
                                    
            
            
                | 11 |  |  | 	public function __construct() {} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | 	 * Execute incoming JSON request. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | 	 * This function executes the actions in the JSON, which are received from | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | 	 * the client. The entire JSON request is processed at once here, and this function | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | 	 * is therefore called only once for each HTTP request to the server. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | 	 * @param string $json the json string which is received by the client | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | 	 * @return string the built json which will be sent back to the client | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | 	 * @todo Reduce overhead by outputting created JSON by outputting directly to php://output instead of returning a | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | 	 *       (possibly huge) string containing the serialized JSON | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | 	public function execute($json) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | 		/* If json_encode produces an empty string, wa-js shows an absolutely | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | 		 * worthless "Invalid data received from the server" dialog. */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | 		$jsonflags = JSON_THROW_ON_ERROR | JSON_INVALID_UTF8_SUBSTITUTE; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 		try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | 			// decode JSON data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | 			$data = json_decode_data($json, true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | 			// Reset the bus | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | 			$GLOBALS["bus"]->reset(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 			// notify modules that wants to do something at the start of a request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 			$GLOBALS["bus"]->notify(REQUEST_ENTRYID, REQUEST_START); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  | 			// Check if the JSON is parsed correctly into an array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 			$data = $data["zarafa"] ?: false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | 			// @TODO throw exception if zarafa tag is not present | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | 			if (is_array($data)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  | 				// iterate over all module names | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | 				foreach ($data as $moduleName => $modules) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | 					// each module can contain multiple requests using different module ids | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 					foreach ($modules as $moduleId => $moduleData) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  | 						// Create the module via the Dispatcher | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 						$moduleObj = $GLOBALS["dispatcher"]->loadModule($moduleName, $moduleId, $moduleData); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  | 						// Check if the module is loaded | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 						if (is_object($moduleObj)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 							$moduleObj->loadSessionData(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 							// Execute the actions in the module | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 							$moduleObj->execute(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 							$moduleObj->saveSessionData(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | 						} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  | 					} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  | 				} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 			// notify modules that wants to do something at the end of a request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  | 			$GLOBALS["bus"]->notify(REQUEST_ENTRYID, REQUEST_END); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | 			// Build the JSON and return it | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 			return json_encode(["zarafa" => $GLOBALS["bus"]->getData()], $jsonflags); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 		catch (ZarafaException $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 			if (!$e->isHandled) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 				$data = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 					"error" => [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  | 						"type" => ERROR_ZARAFA, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  | 						"info" => [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 							"file" => $e->getFileLine(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 							"display_message" => $e->getDisplayMessage(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 							"original_message" => $e->getMessage(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  | 						], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 					], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  | 				]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 				return json_encode(["zarafa" => $data], $jsonflags); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | 		catch (ZarafaErrorException $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  | 			if (!$e->isHandled) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 				$data = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  | 					"error" => [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  | 						"type" => ERROR_GENERAL, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  | 						"info" => [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  | 							"file" => $e->getFileLine(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  | 							"display_message" => $e->getDisplayMessage(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  | 							"original_message" => $e->getMessage(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  | 						], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  | 					], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | 				]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  | 				return json_encode(["zarafa" => $data], $jsonflags); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | 		catch (Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 			// handle exceptions that are not handled by modules | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  | 			dump($e); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  | 			$data = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | 				"error" => [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  | 					"type" => ERROR_GENERAL, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  | 					"info" => [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  | 						"file" => basename($e->getFile()) . ':' . $e->getLine(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  | 						"display_message" => _('An unexpected error has occurred'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 						"original_message" => $e->getMessage(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  | 					], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 				], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  | 			]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | 			return json_encode(["zarafa" => $data], $jsonflags); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | 		catch (Throwable $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  | 			// Catch PHP Errors/TypeErrors as JSON to avoid HTTP 500s | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  | 			dump($e); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  | 			$data = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  | 				"error" => [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  | 					"type" => ERROR_GENERAL, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  | 					"info" => [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  | 						"file" => basename($e->getFile()) . ':' . $e->getLine(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  | 						"display_message" => _('An unexpected error has occurred'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  | 						"original_message" => $e->getMessage(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  | 					], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  | 				], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  | 			]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  | 			return json_encode(["zarafa" => $data], $jsonflags); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  | 	} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 140 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 141 |  |  |  |