ajax.php

<?php


	define('RES_OK',0);
	define('RES_ERR',-1);


	class json_response {

		private $_fields = array();
		private $_id;
		private $_results;
		private $_datasetSize;
		private $_status = RES_OK;

		## @method setID($id)
		# Set ID column
		#
		# @param id ID column name
		public function setID($id) {
			$this->_id = $id;
		}

		## @method setStatus($status)
		# Set response status
		#
		# @param status Either RES_OK (default) or RES_ERROR
		public function setStatus($status) {
			$this->_status = $status;
		}

		## @method addField($name,$type)
		# Add a field to our return results
		#
		# @param name Field name
		# @param type Field type, 'int', 'string', 'float', 'boolean', 'date'
		public function addField($name,$type) {
			# Build field
			$field = array(
				'name' => $name,
				'type' => $type
			);

			# Set ISO date format
			if ($field['type'] == "date") {
				$field['dateFormat'] = "Y-m-d";
			}

			# Add field to list
			array_push($this->_fields,$field);
		}

		## @method setDatasetSize($size)
		# Set how many records are returned in the dataset
		#
		# @param size Dataset size
		public function setDatasetSize($size) {
			$this->_datasetSize = $size;
		}

		## @method parseArrayRef($array)
		# Parse in the array of results and fix it up
		#
		# @param arrayref Array ref containing the results
		public function parseArray($array) {
			$this->_results = array();

			# Loop with array items
			foreach ($array as $aitem) {
				$item = array();

				# Loop with fields we want
				foreach ($this->_fields as $field) {
					# FIXME - typecast?
					$item[$field['name']] = $aitem[$field['name']];
				}
				
				array_push($this->_results,$item);
			}

		}

		## @method parseHash($hashref)
		# Parse in the hash of results and fix it up
		#
		# @param hashref Hash ref containing the results
		public function parseHash($hash) {
			$this->_results = array();

			foreach ($this->_fields as $field) {
				# FIXME - typecast?
				$this_results[$field['name']] = $hash[$field['name']];
			}
		}

		## @method export
		# Export response into something we return 
		#
		# @return JSON hash
		# @li result - Result code/status
		# @li data - Ref containing results
		# @li metaData - Metadata containing info about the results being returned
		# Metadata contains properties..
		# - root: root element, which is always 'data'
		# - fields: Optional field description, arrayref of hash refs, name = 'name', type 'type' and 'dateFormat' = 'Y-m-d'
		# - id: Optional ID field name
		# - totalProperty: Optional property name containing the number of records, always 'datasetSize'
		# @li datasetSize Optional, number of records we're rturning
		public function export() {

			# Build result
			$ret = array(
				'result' => $this->_status,

				# Additional stuff for other things to make life easier
				'success' => $this->_status == RES_OK ? 1 : 0,
				'metaData' => array(
					'successProperty' => 'success'
				)
			);

			# If we have results, add them
			if (isset($this->_results)) {
				$ret['data'] = $this->_results;
				$ret['metaData']['root'] = 'data';

				# If we have fields, set them up
				if (isset($this->_fields)) {
					$ret['metaData']['fields'] = $this->_fields;
				}
			}

			# Check if we have an ID set
			if (isset($this->_id)) {
				$ret['metaData']['totalProperty'] = 'datasetSize';
				$ret['datasetSize'] = $this->_datasetSize;
			}

			return $ret;
		}
	}













/*
 * AJAX Interface to SMEngine SOAP
 */

 	# Fire an exception off to Ajax
	function ajaxException($msg) {
/*
		$res = array(
			'success' => FALSE,
			'errors' => array(
				$msg
			)
		);
		echo json_encode($res);
*/
#		echo json_encode($msg);
print_r($_POST);
		exit;
	}

	# PHP exception handler
	function exception_handler($exception) {
		ajaxException("Exception: ". $exception->getMessage());
	}

	# Set PHP exception handler
	set_exception_handler('exception_handler');


	if (!isset($_REQUEST['SOAPUsername']) || empty($_REQUEST['SOAPUsername'])) {
		ajaxException("SOAPUsername undefined");
	}
	if (!is_string($_REQUEST['SOAPUsername'])) {
		ajaxException("SOAPUsername is not a string");
	}
	$username = $_REQUEST['SOAPUsername'];

	if (!isset($_REQUEST['SOAPPassword']) || empty($_REQUEST['SOAPPassword'])) {
		ajaxEception("SOAPPassword undefined");
	}
	if (!is_string($_REQUEST['SOAPPassword'])) {
		ajaxException("SOAPPassword is not a string");
	}
	$password = $_REQUEST['SOAPPassword'];

	if (!isset($_REQUEST['SOAPAuthType']) || empty($_REQUEST['SOAPAuthType'])) {
		ajaxException("SOAPAuthType undefined");
	}
	if (!is_string($_REQUEST['SOAPAuthType'])) {
		ajaxException("SOAPAuthType is not a string");
	}
	$authType = $_REQUEST['SOAPAuthType'];

	if (!isset($_REQUEST['SOAPModule']) || empty($_REQUEST['SOAPModule'])) {
		ajaxException("SOAPModule undefined");
	}
	if (!is_string($_REQUEST['SOAPModule'])) {
		ajaxException("SOAPModule is not a string");
	}
	$module = $_REQUEST['SOAPModule'];

	if (!isset($_REQUEST['SOAPFunction']) || empty($_REQUEST['SOAPFunction'])) {
		ajaxException("SOAPFunction undefined");
	}
	if (!is_string($_REQUEST['SOAPFunction'])) {
		ajaxException("SOAPFunction is not a string");
	}
	$function = $_REQUEST['SOAPFunction'];

	/*
		__search
		ID,__search
		1:Name,1:Contact,1:Telephone,1:Email
	*/

	$soapParamTemplate = explode(',',$_REQUEST['SOAPParams']);
	$soapParams = array();
	foreach ($soapParamTemplate as $param) {
		# Special case '__search'
		if ($param == "__search") {
			# Build hash and push into param list
			$search = array(
				'Filter' => isset($_REQUEST['filter']) ? $_REQUEST['filter'] : '',
				'Start' => $_REQUEST['start'],
				'Limit' => $_REQUEST['limit'],
				'Sort' => isset($_REQUEST['sort']) ? $_REQUEST['sort'] : '',
				'SortDirection' => isset($_REQUEST['dir']) ? $_REQUEST['dir'] : '',
			);
			array_push($soapParams,$search);

		# Special case '__null'
		} elseif ($param == "__null") {
			array_push($soapParams,NULL);

		# Everything else
		} else {
			# Split off param number if we're using it
			$items = explode(':',$param);

			# We have a parameter number
			if (count($items) > 1) {
				$array_pos = $items[0];
				$array_item = $items[1];
				$array_type = $items[2];

				# Initialize array
				if (!isset($soapParams[$array_pos])) {
					$soapParams[$array_pos] = array();
				}
				# Check if we have an explicit type
				if (isset($array_type)) {
					# Check type
					if ($array_type == "boolean") {
						# Checkboxes/booleans are undefined if false
						if (isset($_REQUEST[$array_item])) {
							$item_value = 'true';
						} else {
							$item_value = 'false';
						}
					# And bitch if we invalid
					} else {
						ajaxException("Unknown AJAX=>SOAP type: '$array_type'");
					}
				} else {
					$item_value = $_REQUEST[$array_item];
				}
				# Set item
				$soapParams[$array_pos][$array_item] = $item_value;

			} else {
				array_push($soapParams,$_REQUEST[$items[0]]);
			}
		}
	}


	if ($function == "getWiSPUsers") {

		$rawData = array (

			array(
				'ID' => 10,
				'AgentID' => 5,
				'AgentName' => 'joe agent',
				'Username' => 'johnsmith',
				'UsageCap' => 1000,
				'ClassID' => 7,
				'ClassDesc' => 'ClassTest',
				'RealmDesc' => 'My Realm',
				'Service' => 'My Service',
				'AgentDisabled' => FALSE,
				'Disabled' => FALSE,
				'AgentRef' => 'Reseller ref'
			)
		);
		$numResults = 1;

		$res = new json_response;
		$res->setID('ID');
		$res->addField('ID','int');
		$res->addField('AgentID','int');
		$res->addField('AgentName','string');
		$res->addField('Username','string');
		$res->addField('UsageCap','int');
		$res->addField('ClassID','int');
		$res->addField('ClassDesc','string');
		$res->addField('RealmDesc','string');
		$res->addField('Service','string');
		$res->addField('AgentDisabled','boolean');
		$res->addField('Disabled','boolean');
		$res->addField('AgentRef','string');
		$res->parseArray($rawData);
		$res->setDatasetSize($numResults);

		echo json_encode($res->export());
	}

	exit;

	# Connect via soap
	$soap = new SoapClient(null,
		array(
			'location' => "http://localhost:1080/?Auth=$authType",
			'uri'      => $module,
			'login' => $username,
			'password' => $password
		)
	);

	# Try soap call
	try {
		$soapRes = $soap->__call($function,$soapParams);

	} catch (Exception $e) {
		# Build msg string
		if (is_soap_fault($e)) {
			header("$SERVER_PROTOCOL 500 Internal Server Error");
			$msg = "SOAP Fault: ".$e->faultstring;
			if (!empty($e->detail)) {
				$msg .= " (".$e->detail.")";
			}
		} else {
			header("$SERVER_PROTOCOL 400 Bad Request");
			$msg = "Fault: ".$e->getMessage();
		}

		ajaxException($msg);
	}


	echo json_encode($soapRes);