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fs_dialplan.php
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fs_dialplan.php
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<?php
/**
* @package FS_CURL
* @todo i should probably add a condition_weight to order the conditions inside a given extension
* fs_dialplan.php
*/
if (basename($_SERVER['PHP_SELF']) == basename(__FILE__)) {
header('Location: index.php');
}
/**
* @package FS_CURL
* @license BSD
* @author Raymond Chandler (intralanman) <intralanman@gmail.com>
* @version 0.1
* Class for XML dialplan
*/
class fs_dialplan extends fs_curl {
private $special_class_file;
public function fs_dialplan()
{
self::__construct();
}
public function __construct() {
$this -> fs_curl();
}
/**
* This is the method that determines the XML output. Customized dialplans can
* be easily created by adding a record to the dialplan_special table with the
* appropriate values. The php class MUST contain a "main()" method. The method
* should write directly to the xmlw obj that's pased or take care of writing
* out the xml itself and exiting as to not return.
*
*/
public function main() {
$this -> comment($this -> request);
$context = $this -> request['Hunt-Context'];
if ($this -> is_specialized_dialplan($context)) {
$this->debug("$context should be handled in a specialized dialplan class file");
if (!include_once($this -> special_class_file)) {
$this -> file_not_found();
}
$class = sprintf('dialplan_%s', $context);
if (!class_exists($class)) {
$this -> comment("No Class of name $class");
$this -> file_not_found();
}
$obj = new $class;
/**
* recieving method should take incoming parameter as &$something
*/
$obj -> main($this);
} else {
$dp_array = $this -> get_dialplan($context);
$this -> writeDialplan($dp_array);
}
$this -> output_xml();
}
public function is_specialized_dialplan($context) {
$query = sprintf(
"SELECT * FROM dialplan_special WHERE context='%s'", $context
);
$this -> debug($query);
$res = $this -> db -> query($query);
if (FS_PDO::isError($res)) {
$this -> comment($query);
$this -> comment($this -> db -> getMessage());
$this -> file_not_found();
}
if ($res -> numRows() == 1) {
$this -> debug("numRows() == 1");
$row = $res -> fetchRow();
$this->debug($row);
$this -> special_class_file = sprintf('dialplans/%s', $row['class_file']);
return true;
} else {
return false;
}
}
/**
* This method will pull dialplan from database
*
* @param string $context context name for XML dialplan
* @return array
*/
private function get_dialplan($context) {
$dp_array = array();
$dpQuery = sprintf('SELECT
%1$scontext%1$s,
%1$sname%1$s as extension,
%1$sapplication%1$s as application_name,
%1$sdata%1$s as application_data,
%1$sfield%1$s as condition_field,
%1$sexpression%1$s as condition_expression,
%1$scontinue%1$s as ext_continue,
%1$stype%1$s
FROM dialplan
INNER JOIN dialplan_context USING(dialplan_id)
INNER JOIN dialplan_extension USING(context_id)
INNER JOIN dialplan_condition USING(extension_id)
INNER JOIN dialplan_actions USING(condition_id)
WHERE context = \'%2$s\'
ORDER BY dialplan_context.weight,
dialplan_extension.weight,
dialplan_condition.weight,
dialplan_actions.weight'
, DB_FIELD_QUOTE, $context
);
$this->debug($dpQuery);
$res = $this -> db -> query($dpQuery);
if (FS_PDO::isError($res)) {
$this -> comment($this -> db -> getMessage());
$this -> file_not_found();
}
if ($res -> numRows() < 1) {
$this -> debug("nothing to do, let's just return not found");
$this -> file_not_found();
}
$condition_number = 0;
while ($row = $res -> fetchRow()) {
$ct = $row['context'];
$et = $row['extension'];
$ec = $row['ext_continue'];
$app = $row['application_name'];
$data = $row['application_data'];
//$app_cdata = $row['app_cdata'];
$type = $row['type'];
$cf = $row['condition_field'];
$ce = $row['condition_expression'];
//$rcd = $row['re_cdata'];
$cc = empty($row['cond_break']) ? '0' : $row['cond_break'];
$dp_array[$ct]["$et;$ec"]["$cf;$ce;$cc"][] = array(
'type'=>$type,
'application'=>$app,
'data'=>$data,
'is_cdata'=>(empty($app_cdata) ? '' : $app_cdata)
);
}
return $dp_array;
}
/**
* Write XML dialplan from the array returned by get_dialplan
* @see fs_dialplan::get_dialplan
* @param array $dpArray Multi-dimentional array from which we write the XML
* @todo this method should REALLY be broken down into several smaller methods
*
*/
private function writeDialplan($dpArray) {
//print_r($dpArray);
if (is_array($dpArray)) {
$this -> xmlw -> startElement('section');
$this -> xmlw -> writeAttribute('name', 'dialplan');
$this -> xmlw -> writeAttribute('description', 'FreeSWITCH Dialplan');
//$this -> comment('dpArray is an array');
foreach ($dpArray as $context => $extensions_array) {
//$this -> comment($context);
//start the context
$this -> xmlw -> startElement('context');
$this -> xmlw -> writeAttribute('name', $context);
if (is_array($extensions_array)) {
foreach ($extensions_array as $extension => $conditions) {
//start an extension
$ex_split = preg_split('/;/', $extension);
$this -> xmlw -> startElement('extension');
$this -> xmlw -> writeAttribute('name', $ex_split[0]);
if (strlen($ex_split[1]) > 0) {
$this -> xmlw -> writeAttribute('continue', $ex_split[1]);
}
$this -> debug($conditions);
foreach ($conditions as $condition => $app_array) {
$c_split = preg_split('/;/', $condition);
$this -> xmlw -> startElement('condition');
if (!empty($c_split[0])) {
$this -> xmlw -> writeAttribute('field', $c_split[0]);
}
if (!empty($c_split[1])) {
if (array_key_exists(3, $c_split)
&& $c_split[3] == true) {
$this -> xmlw -> startElement('expression');
$this -> xmlw -> writeCdata($c_split[1]);
$this -> xmlw -> endElement();
} else {
$this -> xmlw -> writeAttribute(
'expression', $c_split[1]
);
}
}
//$this -> debug($c_split[2]);
if ($c_split[2] != '0') {
$this -> xmlw -> writeAttribute(
'break', $c_split[2]
);
}
//$this -> debug($app_array);
foreach ($app_array as $app) {
if (empty($app['application'])) {
continue;
}
$this -> xmlw -> startElement($app['type']);
$this -> xmlw -> writeAttribute(
'application', $app['application']
);
if (!empty($app['data'])) {
if (array_key_exists('is_cdata', $app)
&& $app['is_cdata'] == true) {
$this -> xmlw -> writeCdata($app['data']);
} else {
$this -> xmlw -> writeAttribute(
'data', $app['data']
);
}
}
if ($app['application'] == 'set') {
$this->xmlw->writeAttribute('inline', 'true');
}
$this -> xmlw -> endElement();
}
//</condition>
$this -> xmlw -> endElement();
}
// </extension>
$this -> xmlw -> endElement();
}
}
// </context>
$this -> xmlw -> endElement();
}
// </section>
$this -> xmlw -> endElement();
}
}
}