mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-15 11:11:49 +01:00
368 lines
9.7 KiB
PHP
368 lines
9.7 KiB
PHP
<?php
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class soap_parser
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{
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function soap_parser($xml='',$encoding='UTF-8')
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{
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global $soapTypes;
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$this->soapTypes = $soapTypes;
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$this->xml = $xml;
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$this->xml_encoding = $encoding;
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$this->root_struct = "";
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// options: envelope,header,body,method
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// determines where in the message we are (envelope,header,body,method)
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$this->status = "";
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$this->position = 0;
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$this->pos_stat = 0;
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$this->depth = 0;
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$this->default_namespace = "";
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$this->namespaces = array();
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$this->message = array();
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$this->fault = false;
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$this->fault_code = "";
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$this->fault_str = "";
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$this->fault_detail = "";
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$this->eval_str = "";
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$this->depth_array = array();
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$this->debug_flag = True;
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$this->debug_str = "";
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$this->previous_element = "";
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$this->entities = array (
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"&" => "&",
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"<" => "<",
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">" => ">",
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"'" => "'",
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'"' => """
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);
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// Check whether content has been read.
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if(!empty($xml))
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{
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$this->debug("Entering soap_parser()");
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//$this->debug("DATA DUMP:\n\n$xml");
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// Create an XML parser.
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$this->parser = xml_parser_create($this->xml_encoding);
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// Set the options for parsing the XML data.
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//xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
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xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, 0);
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// Set the object for the parser.
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xml_set_object($this->parser, &$this);
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// Set the element handlers for the parser.
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xml_set_element_handler($this->parser, "start_element","end_element");
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xml_set_character_data_handler($this->parser,"character_data");
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xml_set_default_handler($this->parser, "default_handler");
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// Parse the XML file.
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if(!xml_parse($this->parser,$xml,true))
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{
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// Display an error message.
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$this->debug(sprintf("XML error on line %d: %s",
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xml_get_current_line_number($this->parser),
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xml_error_string(xml_get_error_code($this->parser))));
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$this->fault = true;
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}
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else
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{
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// get final eval string
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$this->eval_str = "\$response = ".trim($this->build_eval($this->root_struct)).";";
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}
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xml_parser_free($this->parser);
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}
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else
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{
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$this->debug("xml was empty, didn't parse!");
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}
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}
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// loop through msg, building eval_str
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function build_eval($pos)
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{
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$this->debug("inside build_eval() for $pos: ".$this->message[$pos]["name"]);
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$eval_str = $this->message[$pos]["eval_str"];
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// loop through children, building...
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if($this->message[$pos]["children"] != "")
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{
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$this->debug("children string = ".$this->message[$pos]["children"]);
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$children = explode("|",$this->message[$pos]["children"]);
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$this->debug("it has ".count($children)." children");
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foreach($children as $c => $child_pos)
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{
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//$this->debug("child pos $child_pos: ".$this->message[$child_pos]["name"]);
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if($this->message[$child_pos]["eval_str"] != "")
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{
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$this->debug("entering build_eval() for ".$this->message[$child_pos]["name"].", array pos $c, pos: $child_pos");
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$eval_str .= $this->build_eval($child_pos).", ";
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}
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}
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$eval_str = substr($eval_str,0,strlen($eval_str)-2);
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}
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// add current node's eval_str
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$eval_str .= $this->message[$pos]["end_eval_str"];
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return $eval_str;
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}
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// start-element handler
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function start_element($parser, $name, $attrs)
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{
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// position in a total number of elements, starting from 0
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// update class level pos
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$pos = $this->position++;
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// and set mine
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$this->message[$pos]["pos"] = $pos;
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// parent/child/depth determinations
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// depth = how many levels removed from root?
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// set mine as current global depth and increment global depth value
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$this->message[$pos]["depth"] = $this->depth++;
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// else add self as child to whoever the current parent is
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if($pos != 0)
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{
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$this->message[$this->parent]["children"] .= "|$pos";
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}
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// set my parent
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$this->message[$pos]["parent"] = $this->parent;
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// set self as current value for this depth
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$this->depth_array[$this->depth] = $pos;
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// set self as current parent
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$this->parent = $pos;
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// set status
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if(ereg(":Envelope$",$name))
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{
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$this->status = "envelope";
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}
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elseif(ereg(":Header$",$name))
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{
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$this->status = "header";
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}
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elseif(ereg(":Body$",$name))
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{
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$this->status = "body";
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// set method
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}
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elseif($this->status == "body")
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{
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$this->status = "method";
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if(ereg(":",$name))
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{
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$this->root_struct_name = substr(strrchr($name,":"),1);
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}
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else
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{
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$this->root_struct_name = $name;
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}
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$this->root_struct = $pos;
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$this->message[$pos]["type"] = "struct";
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}
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// set my status
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$this->message[$pos]["status"] = $this->status;
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// set name
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$this->message[$pos]["name"] = htmlspecialchars($name);
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// set attrs
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$this->message[$pos]["attrs"] = $attrs;
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// get namespace
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if(ereg(":",$name))
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{
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$namespace = substr($name,0,strpos($name,":"));
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$this->message[$pos]["namespace"] = $namespace;
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$this->default_namespace = $namespace;
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}
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else
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{
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$this->message[$pos]["namespace"] = $this->default_namespace;
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}
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// loop through atts, logging ns and type declarations
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foreach($attrs as $key => $value)
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{
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// if ns declarations, add to class level array of valid namespaces
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if(ereg("xmlns:",$key))
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{
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$namespaces[substr(strrchr($key,":"),1)] = $value;
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if($name == $this->root_struct_name)
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{
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$this->methodNamespace = $value;
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}
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}
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// if it's a type declaration, set type
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elseif($key == "xsi:type")
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{
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// then get attname and set $type
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$type = substr(strrchr($value,":"),1);
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}
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}
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// set type if available
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if($type)
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{
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$this->message[$pos]["type"] = $type;
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}
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// debug
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//$this->debug("parsed $name start, eval = '".$this->message[$pos]["eval_str"]."'");
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}
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// end-element handler
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function end_element($parser, $name)
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{
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// position of current element is equal to the last value left in depth_array for my depth
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$pos = $this->depth_array[$this->depth];
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// bring depth down a notch
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$this->depth--;
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// get type if not set already
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if($this->message[$pos]["type"] == "")
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{
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// if($this->message[$pos]["cdata"] == "" && $this->message[$pos]["children"] != "")
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if($this->message[$pos]["children"] != "")
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{
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$this->message[$pos]["type"] = "SOAPStruct";
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}
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else
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{
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$this->message[$pos]["type"] = "string";
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}
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}
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// set eval str start if it has a valid type and is inside the method
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if($pos >= $this->root_struct)
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{
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$this->message[$pos]["eval_str"] .= "\n CreateObject(\"phpgwapi.soapval\",\"".htmlspecialchars($name)."\", \"".$this->message[$pos]["type"]."\" ";
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$this->message[$pos]["end_eval_str"] = ")";
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$this->message[$pos]["inval"] = "true";
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/*
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if($this->message[$pos]["name"] == $this->root_struct_name){
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$this->message[$pos]["end_eval_str"] .= " ,\"$this->methodNamespace\"";
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}
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*/
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if($this->message[$pos]["children"] != "")
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{
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$this->message[$pos]["eval_str"] .= ", array( ";
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$this->message[$pos]["end_eval_str"] .= " )";
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}
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}
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// if i have no children and have cdata...then i must be a scalar value, so add my data to the eval_str
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if($this->status == "method" && $this->message[$pos]["children"] == "")
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{
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// add cdata w/ no quotes if only int/float/dbl
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if($this->message[$pos]["type"] == "string")
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{
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$this->message[$pos]["eval_str"] .= ", \"".$this->message[$pos]["cdata"]."\"";
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}
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elseif($this->message[$pos]["type"] == "int" || $this->message[$pos]["type"] == "float" || $this->message[$pos]["type"] == "double")
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{
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//$this->debug("adding cdata w/o quotes");
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$this->message[$pos]["eval_str"] .= ", ".trim($this->message[$pos]["cdata"]);
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}
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elseif(is_string($this->message[$pos]["cdata"]))
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{
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//$this->debug("adding cdata w/ quotes");
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$this->message[$pos]["eval_str"] .= ", \"".$this->message[$pos]["cdata"]."\"";
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}
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}
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// if in the process of making a soap_val, close the parentheses and move on...
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if($this->message[$pos]["inval"] == "true")
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{
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$this->message[$pos]["inval"] == "false";
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}
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// if tag we are currently closing is the method wrapper
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if($pos == $this->root_struct)
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{
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$this->status = "body";
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}
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elseif(ereg(":Body",$name))
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{
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$this->status = "header";
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}
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elseif(ereg(":Header",$name))
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{
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$this->status = "envelope";
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}
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// set parent back to my parent
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$this->parent = $this->message[$pos]["parent"];
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$this->debug("parsed $name end, type '".$this->message[$pos]["type"]."'eval_str = '".trim($this->message[$pos]["eval_str"])."' and children = ".$this->message[$pos]["children"]);
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}
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// element content handler
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function character_data($parser, $data)
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{
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$pos = $this->depth_array[$this->depth];
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$this->message[$pos]["cdata"] .= $data;
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//$this->debug("parsed ".$this->message[$pos]["name"]." cdata, eval = '$this->eval_str'");
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}
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// default handler
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function default_handler($parser, $data)
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{
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//$this->debug("DEFAULT HANDLER: $data");
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}
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// function to get fault code
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function fault()
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{
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if($this->fault)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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// have this return a soap_val object
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function get_response()
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{
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$this->debug("eval()ing eval_str: $this->eval_str");
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@eval("$this->eval_str");
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if($response)
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{
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$this->debug("successfully eval'd msg");
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return $response;
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}
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else
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{
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$this->debug("ERROR: did not successfully eval the msg");
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$this->fault = true;
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return CreateObject('phpgwapi.soapval',
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"Fault",
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"struct",
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array(
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CreateObject('phpgwapi.soapval',
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"faultcode",
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"string",
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"SOAP-ENV:Server"
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),
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CreateObject('phpgwapi.soapval',
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"faultstring",
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"string",
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"couldn't eval \"$this->eval_str\""
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)
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)
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);
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}
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}
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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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function decode_entities($text)
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{
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foreach($this->entities as $entity => $encoded)
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{
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$text = str_replace($encoded,$entity,$text);
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}
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return $text;
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}
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}
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?>
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