mirror of
https://github.com/EGroupware/egroupware.git
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361 lines
10 KiB
PHP
361 lines
10 KiB
PHP
<?php
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// SOAP server class
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// for example usage, see the test_server.php file.
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class soap_server
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{
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function soap_server($data='',$serviceNow=False)
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{
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// create empty dispatch map
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$this->dispatch_map = array();
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$this->debug_flag = False;
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$this->debug_str = '';
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$this->headers = '';
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$this->request = '';
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$this->result = 'successful';
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$this->fault = false;
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$this->fault_code = '';
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$this->fault_str = '';
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$this->fault_actor = '';
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if($serviceNow == 1)
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{
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$this->service($data);
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}
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}
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// parses request and posts response
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function service($data)
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{
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// $response is a soap_msg object
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$response = $this->parseRequest($data);
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$this->debug("parsed request and got an object of this class '".get_class($response)."'");
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$this->debug("server sending...");
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// pass along the debug string
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if($this->debug_flag)
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{
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$response->debug($this->debug_str);
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}
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$payload = $response->serialize();
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// print headers
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if($this->fault)
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{
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$header[] = "HTTP/1.0 500 Internal Server Error\r\n";
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}
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else
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{
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$header[] = "HTTP/1.0 200 OK\r\n";
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$header[] = "Status: 200\r\n";
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}
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$header[] = "Server: SOAPx4 Server v0.344359s\r\n";
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$header[] = "Connection: Close\r\n";
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$header[] = "Content-Type: text/xml; charset=UTF-8\r\n";
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$header[] = "Content-Length: ".strlen($payload)."\r\n\r\n";
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reset($header);
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foreach($header as $hdr)
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{
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header($hdr);
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}
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print $payload;
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}
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function parseRequest($data="")
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{
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global $HTTP_SERVER_VARS;
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$this->debug("entering parseRequest() on ".date("H:i Y-m-d"));
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$request_uri = $HTTP_SERVER_VARS["REQUEST_URI"];
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$this->debug("request uri: $request_uri");
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// get headers
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$headers_array = getallheaders();
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foreach($headers_array as $k=>$v)
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{
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$dump .= "$k: $v\r\n";
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}
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$dump .= "\r\n\r\n".$data;
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$this->headers = $headers_array;
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$this->request = $dump;
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// get SOAPAction header -> methodname
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if($headers_array["SOAPAction"])
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{
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$action = str_replace('"','',$headers_array["SOAPAction"]);
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if(ereg("^urn:",$action))
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{
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$this->service = substr($action,4);
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}
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elseif(ereg(".php",$action))
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{
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$this->service = ereg_replace('"|/','',substr(strrchr($action,".php"),4,strlen(strrchr($action,"/"))));
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}
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$this->debug("got service: $this->service");
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}
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else
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{
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// throw a fault if no soapaction
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$this->debug("ERROR: no SOAPAction header found");
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}
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// NOTE:::: throw a fault for no/bad soapaction here?
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// parse response, get soap parser obj
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$parser = CreateObject('phpgwapi.soap_parser',$data);
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// get/set methodname
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$this->methodname = $parser->root_struct_name;
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$this->debug("method name: $this->methodname");
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// does method exist?
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if(function_exists($this->methodname))
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{
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$this->debug("method '$this->methodname' exists");
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}
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else
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{
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// "method not found" fault here
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$this->debug("method '$this->methodname' not found!");
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$this->result = "fault: method not found";
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$this->make_fault("Server","method '$this->methodname' not defined in service '$this->service'");
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return $this->fault();
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}
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// if fault occurred during message parsing
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if($parser->fault())
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{
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// parser debug
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$this->debug($parser->debug_str);
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$this->result = "fault: error in msg parsing or eval";
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$this->make_fault("Server","error in msg parsing or eval:\n".$parser->get_response());
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// return soapresp
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return $this->fault();
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// else successfully parsed request into soapval object
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}
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else
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{
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// get eval_str
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$this->debug("calling parser->get_response()");
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// evaluate it, getting back a soapval object
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if(!$request_val = $parser->get_response())
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{
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return $this->fault();
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}
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// parser debug
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$this->debug($parser->debug_str);
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if(get_class($request_val) == "soapval")
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{
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// verify that soapval objects in request match the methods signature
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if($this->verify_method($request_val))
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{
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$this->debug("request data - name: $request_val->name, type: $request_val->type, value: $request_val->value");
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if($this->input_value)
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{// decode the soapval object, and pass resulting values to the requested method
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if(!$request_data = $request_val->decode())
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{
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$this->make_fault("Server","Unable to decode response from soapval object into native php type.");
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return $this->fault();
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}
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$this->debug("request data: $request_data");
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}
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// if there are return values
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if($this->return_type = $this->get_return_type())
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{
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$this->debug("got return type: '$this->return_type'");
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// if there are parameters to pass
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if($request_data)
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{
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// call method with parameters
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$this->debug("about to call method '$this->methodname'");
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if(!$method_response = call_user_func_array("$this->methodname",$request_data))
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{
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$this->make_fault("Server","Method call failed for '$this->methodname' with params: ".join(",",$request_data));
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return $this->fault();
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}
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}
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else
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{
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// call method w/ no parameters
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$this->debug("about to call method '$this->methodname'");
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if(!$method_response = call_user_func("$this->methodname"))
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{
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$this->make_fault("Server","Method call failed for '$this->methodname' with no params");
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return $this->fault();
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}
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}
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// no return values
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}
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else
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{
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if($request_data)
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{
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// call method with parameters
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$this->debug("about to call method '$this->methodname'");
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call_user_func_array("$this->methodname",$request_data);
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}
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else
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{
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// call method w/ no parameters
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$this->debug("about to call method '$this->methodname'");
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call_user_func("$this->methodname",$request_data);
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}
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}
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// create soap_val object w/ return values from method, use method signature to determine type
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if(get_class($method_response) != "soapval")
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{
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$return_val = CreateObject('phpgwapi.soapval',$this->methodname,$this->return_type,$method_response);
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}
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else
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{
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$return_val = $method_response;
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}
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$this->debug($return_val->debug_str);
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// response object is a soap_msg object
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$return_msg = CreateObject('phpgwapi.soapmsg',$this->methodname."Response",array($return_val),$this->service);
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if($this->debug_flag)
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{
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$return_msg->debug_flag = true;
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}
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$this->result = "successful";
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return $return_msg;
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}
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else
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{
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// debug
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$this->debug("ERROR: request not verified against method signature");
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$this->result = "fault: request failed validation against method signature";
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// return soapresp
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return $this->fault();
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}
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}
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else
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{
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// debug
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$this->debug("ERROR: parser did not return soapval object: $request_val ".get_class($request_val));
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$this->result = "fault: parser did not return soapval object: $request_val";
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// return fault
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$this->make_fault("Server","parser did not return soapval object: $request_val");
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return $this->fault();
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}
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}
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}
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function verify_method($request)
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{
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//return true;
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$this->debug("entered verify_method() w/ request name: ".$request->name);
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$params = $request->value;
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// if there are input parameters required...
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if($sig = $this->dispatch_map[$this->methodname]["in"])
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{
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$this->input_value = count($sig);
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if(is_array($params))
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{
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$this->debug("entered verify_method() with ".count($params)." parameters");
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foreach($params as $v)
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{
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$this->debug("param '$v->name' of type '$v->type'");
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}
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// validate the number of parameters
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if(count($params) == count($sig))
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{
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$this->debug("got correct number of parameters: ".count($sig));
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// make array of param types
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foreach($params as $param)
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{
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$p[] = strtolower($param->type);
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}
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// validate each param's type
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for($i=0; $i < count($p); $i++)
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{
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// type not match
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if(strtolower($sig[$i]) != strtolower($p[$i]))
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{
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$this->debug("mismatched parameter types: $sig[$i] != $p[$i]");
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$this->make_fault("Client","soap request contained mismatching parameters of name $v->name had type $p[$i], which did not match signature's type: $sig[$i]");
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return false;
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}
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$this->debug("parameter type match: $sig[$i] = $p[$i]");
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}
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return true;
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// oops, wrong number of paramss
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}
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else
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{
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$this->debug("oops, wrong number of parameter!");
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$this->make_fault("Client","soap request contained incorrect number of parameters. method '$this->methodname' required ".count($sig)." and request provided ".count($params));
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return false;
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}
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// oops, no params...
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}
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else
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{
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$this->debug("oops, no parameters sent! Method '$this->methodname' requires ".count($sig)." input parameters!");
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$this->make_fault("Client","soap request contained incorrect number of parameters. method '$this->methodname' requires ".count($sig)." parameters, and request provided none");
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return false;
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}
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// no params
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}
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elseif( (count($params)==0) && (count($sig) <= 1) )
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{
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$this->input_values = 0;
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return true;
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}
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else
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{
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//$this->debug("well, request passed parameters to a method that requires none?");
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//$this->make_fault("Client","method '$this->methodname' requires no parameters. The request passed in ".count($params).": ".@implode(" param: ",$params) );
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return true;
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}
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}
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// get string return type from dispatch map
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function get_return_type()
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{
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if(count($this->dispatch_map[$this->methodname]["out"]) >= 1)
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{
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$type = array_shift($this->dispatch_map[$this->methodname]["out"]);
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$this->debug("got return type from dispatch map: '$type'");
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return $type;
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}
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return false;
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}
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// dbg
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function debug($string)
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{
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if($this->debug_flag)
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{
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$this->debug_str .= "$string\n";
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}
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}
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// add a method to the dispatch map
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function add_to_map($methodname,$in,$out)
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{
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$this->dispatch_map[$methodname]["in"] = $in;
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$this->dispatch_map[$methodname]["out"] = $out;
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}
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// set up a fault
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function fault()
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{
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return CreateObject('phpgwapi.soapmsg',
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"Fault",
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array(
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"faultcode" => $this->fault_code,
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"faultstring" => $this->fault_str,
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"faultactor" => $this->fault_actor,
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"faultdetail" => $this->fault_detail.$this->debug_str
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),
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"http://schemas.xmlphpgwapi.org/soap/envelope/"
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);
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}
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function make_fault($fault_code,$fault_string)
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{
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$this->fault_code = $fault_code;
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$this->fault_str = $fault_string;
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$this->fault = true;
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}
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}
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?>
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