github_post_receive.module

<?php

/**
 * Implements hook_menu().
 */
function github_post_receive_menu() {
  $items['admin/config/services/github'] = array(
    'title' => t('Github Post Recieve admin settings form'),
    'page callback' => 'drupal_get_form',
    'page arguments' => array('github_post_receive_admin_settings'),
    'file' => 'github_post_receive.include.admin.inc',
    'access arguments' => array('administer github post receive'),
    'type' => MENU_SUGGESTED_ITEM,
  );
  $items['github'] = array(
    'page callback' => 'github_post_receive_execute',
    'access callback' => 'github_post_receive_access',
    'type' => MENU_CALLBACK,
  );
  
  return $items;
}

function github_post_receive_access() {
  if($ip_restriction = variable_get('github_post_receive_ip_restriction','127.0.0.1')) {
    preg_replace('/s','',$ip_restriction);
    $ip_list = explode(',',$ip_restriction);
    if (!in_array(ip_address(),$ip_list)) {
      return FALSE;
    }
  }
  return TRUE;
}

/**
 * Implements hook_permission().
 */
function github_post_receive_permission() {
  return array(
    'administer github post receive' =>  array(
      'title' => t('Administer github post receive'),
      'description' => t('Perform administration tasks for Github integration.'),
    ),
  );
}

function github_post_receive_execute() {
  if(isset($_POST)){
    drupal_json_output(array('post data' => $_POST));
  }
  else {
    drupal_json_output(array('error' => 'No Post Data'));
  }
}