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fs_dialplan.php
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fs_dialplan.php
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<?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;
/**
* 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 ($res->rowCount() == 1) {
$this->debug("numRows() == 1");
$row = $res->fetch();
$this->debug($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)
{
$query = sprintf('SELECT
dialplan_context.%1$sname%1$s AS context_name,
dialplan_extension.%1$sname%1$s AS extension_name,
%1$scontinue%1$s AS extension_continue,
%1$sfield%1$s AS condition_field,
%1$sexpression%1$s AS condition_expression,
%1$sbreak%1$s AS condition_break, dialplan_condition.condition_id,
%1$sapplication%1$s AS action_application,
%1$sdata%1$s AS action_data,
%1$santi_action%1$s AS action_anti_action,
%1$sinline%1$s AS action_inline
FROM dialplan_context
INNER JOIN dialplan_extension USING(context_id)
INNER JOIN dialplan_condition USING(extension_id)
LEFT JOIN dialplan_action USING(condition_id)
WHERE dialplan_context.%1$sname%1$s = \'%2$s\'
ORDER BY dialplan_context.weight,
dialplan_extension.weight,
dialplan_condition.weight,
dialplan_action.weight'
, DB_FIELD_QUOTE, $context
);
$this->debug($query);
$res = $this->db->query($query);
if ($res->rowCount() < 1) {
$this->debug("nothing to do, let's just return not found");
$this->file_not_found();
}
$dp_array = [];
while ($row = $res->fetch()) {
$ct = $row['context_name'];
$en = $row['extension_name'];
$ec = $row['extension_continue'] === null ? '' : ($row['extension_continue'] ? 'true' : 'false');
$cf = $row['condition_field'];
$ce = $row['condition_expression'];
$cb = $row['condition_break'];
$ci = $row['condition_id'];
$dp_array[$ct]["$en;$ec"]["$cf;$ce;$cb;$ci"][] = [
'anti_action' => $row['action_anti_action'],
'application' => $row['action_application'],
'data' => $row['action_data'],
'inline' => $row['action_inline'],
];
}
$this->debug($dp_array);
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)
{
$this->xmlw->startElement('section');
$this->xmlw->writeAttribute('name', 'dialplan');
$this->xmlw->writeAttribute('description', 'FreeSWITCH Dialplan');
foreach ($dpArray as $context => $extensions) {
$this->xmlw->startElement('context');
$this->xmlw->writeAttribute('name', $context);
foreach ($extensions as $extension => $conditions) {
$this->xmlw->startElement('extension');
$ex_split = explode(';', $extension);
$this->xmlw->writeAttribute('name', $ex_split[0]);
if ($ex_split[1]) {
$this->xmlw->writeAttribute('continue', $ex_split[1]);
}
foreach ($conditions as $condition => $actions) {
$this->xmlw->startElement('condition');
$c_split = explode(';', $condition);
if ($c_split[0]) {
if (in_array($c_split[0], ['date-time', 'time-of-day', 'wday'])) {
$this->xmlw->writeAttribute($c_split[0], $c_split[1]);
} else {
$this->xmlw->writeAttribute('field', $c_split[0]);
$this->xmlw->writeAttribute('expression', $c_split[1]);
}
}
if ($c_split[2]) {
$this->xmlw->writeAttribute('break', $c_split[2]);
}
foreach ($actions as $action) {
if (empty($action['application'])) {
continue;
}
$this->xmlw->startElement($action['anti_action'] ? 'anti-action' : 'action');
$this->xmlw->writeAttribute('application', $action['application']);
if ($action['data'] !== null) {
$this->xmlw->writeAttribute('data', $action['data']);
}
if ($action['inline'] !== null) {
$this->xmlw->writeAttribute('inline', $action['inline'] ? 'true' : 'false');
}
$this->xmlw->endElement();
}
//</condition>
$this->xmlw->endElement();
}
// </extension>
$this->xmlw->endElement();
}
// </context>
$this->xmlw->endElement();
}
// </section>
$this->xmlw->endElement();
}
}