function download_chunklist()
{
global $chunklist_list, $effective_url, $chunklist_url;
// try download the chunk list
l("getting chunk list");
if ($chunklist_url) {
$c = new_curl($chunklist_url);
curl_setopt($c, CURLOPT_RETURNTRANSFER, true);
$chunklist = curl_exec($c);
$status = curl_getinfo($c, CURLINFO_HTTP_CODE);
if ($status == 200) {
return $chunklist;
}
}
// if we can't download the chunk list, start over
l("getting cdn url");
$cdn_url = get_cdn_url();
l("cdn url: " . $cdn_url);
if (!$cdn_url) {
// if we can't even get this, there's nothing more we can do
exit(1);
}
l("getting list of chunk list urls");
$chunklist_list_and_effective_url = get_chunklist_list_and_effective_url($cdn_url);
if ($chunklist_list_and_effective_url) {
$chunklist_list = $chunklist_list_and_effective_url[0];
$effective_url = $chunklist_list_and_effective_url[1];
$parsed_chunklist_list = parse_chunklist_list($chunklist_list);
$chunklist_filename = $parsed_chunklist_list[count($parsed_chunklist_list) - 1]["filename"];
$chunklist_url = str_replace("playlist.m3u8", $chunklist_filename, $effective_url);
l("chunklist url: " . $chunklist_url);
} else {
// Can't get chunk list URLs, should not happen
exit(1);
}
l("getting chunk list again");
$c = new_curl($chunklist_url);
curl_setopt($c, CURLOPT_RETURNTRANSFER, true);
$chunklist = curl_exec($c);
$status = curl_getinfo($c, CURLINFO_HTTP_CODE);
if ($status == 200) {
return $chunklist;
} else {
l("status: " . $status);
exit(1);
}
}
/**
* Save CloudFiles CDN Settings
*/
function save_cdn_settings()
{
if (is_admin() && current_user_can('manage_options') && !empty($_POST) && !empty($_POST['rs_cdn'])) {
// Turn off SSL if custom CNAME is being used
if (isset($_POST['rs_cdn']['custom_cname']) && trim($_POST['rs_cdn']['custom_cname']) != '') {
unset($_POST['rs_cdn']['use_ssl']);
} else {
unset($_POST['rs_cdn']['custom_cname']);
}
// Save settings in database
$cdn_settings = $_POST['rs_cdn'];
// Turn off SSL if custom CNAME is being used
if (isset($_POST['rs_cdn']['custom_cname']) && trim($_POST['rs_cdn']['custom_cname']) != '') {
$_SESSION['cdn']->cdn_url = $_POST['rs_cdn']['custom_cname'];
} else {
// Set API settings to the new settings
update_option(RS_CDN_OPTIONS, (object) $cdn_settings);
// Create new CDN instance
try {
// Try to create new CDN instance
unset($_SESSION['cdn']);
$_SESSION['cdn'] = new RS_CDN();
// Set API settings for CDN instance
$_SESSION['cdn']->api_settings = (object) $cdn_settings;
// Assign URL
if ($_SESSION['cdn']->container_object()) {
$_SESSION['cdn']->cdn_url = isset($_POST['rs_cdn']['use_ssl']) ? get_cdn_url('ssl') : get_cdn_url();
} else {
$_SESSION['cdn']->cdn_url = null;
}
} catch (Exception $exc) {
// Exception
}
}
}
}
/**
* Verify file exists
*/
function verify_exists($file_path)
{
// Get CDN URL
if (isset($_SESSION['cdn']->api_settings->custom_cname) && trim($_SESSION['cdn']->api_settings->custom_cname) != '') {
$cdn_url = $_SESSION['cdn']->api_settings->custom_cname;
} else {
$cdn_url = isset($_SESSION['cdn']->api_settings->use_ssl) ? get_cdn_url('ssl') : get_cdn_url();
}
// Define variables needed
$upload_dir = wp_upload_dir();
// Set CDN URL
if (stripos($file_path, $cdn_url) === false) {
$file_url = $cdn_url . '/' . $file_path;
} else {
$file_url = str_replace($upload_dir['basedir'], $cdn_url, $file_path);
}
// Verify file exists, use curl if "allow_url_fopen" is not allowed
if (ini_get('allow_url_fopen')) {
if (strstr(current(get_headers($file_url)), "200")) {
return true;
} else {
return false;
}
} else {
$ch = curl_init($file_url);
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_exec($ch);
curl_close($ch);
$return_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if ($return_code == 200) {
return true;
} else {
return false;
}
}
return true;
}
/**
* Verify file exists
*/
function verify_exists($file_path = null)
{
// Ensure CDN instance exists
if (check_cdn() === false || is_null($file_path)) {
return false;
}
// Get CDN URL
if (isset($_SESSION['cdn']->api_settings->custom_cname) && trim($_SESSION['cdn']->api_settings->custom_cname) != '') {
$cdn_url = $_SESSION['cdn']->api_settings->custom_cname;
} else {
$cdn_url = isset($_SESSION['cdn']->api_settings->use_ssl) ? get_cdn_url('ssl') : get_cdn_url();
}
// Define variables needed
$upload_dir = wp_upload_dir();
// Get local file path
$file_url = str_replace(array($cdn_url . '/', $upload_dir['basedir'] . '/', $upload_dir['baseurl'] . '/'), '', $file_path);
// Return true/false if file exists on CDN or not
return find_file_name($file_url, $cdn_objects);
}
/**
* Multidimensional array search
*/
function find_file_name($file_name)
{
// Ensure CDN instance exists
if (check_cdn() === false) {
return false;
}
// Get CDN URL
if (isset($_SESSION['cdn']->api_settings->custom_cname) && trim($_SESSION['cdn']->api_settings->custom_cname) != '') {
$cdn_url = $_SESSION['cdn']->api_settings->custom_cname;
} else {
$cdn_url = isset($_SESSION['cdn']->api_settings->use_ssl) ? get_cdn_url('ssl') : get_cdn_url();
}
// Get CDN objects
$cdn_objects = $_SESSION['cdn']->get_cdn_objects();
// Loop through and see if we can find the file name
foreach ($cdn_objects as $cur_cdn_object) {
if ($cur_cdn_object['file_name'] === $file_name) {
return true;
}
}
// Return false by default
return false;
}
/**
* Verify file exists
*/
function verify_exists($file_path)
{
// Get CDN URL
if (isset($_SESSION['cdn']->api_settings->custom_cname) && trim($_SESSION['cdn']->api_settings->custom_cname) != '') {
$cdn_url = $_SESSION['cdn']->api_settings->custom_cname;
} else {
$cdn_url = isset($_SESSION['cdn']->api_settings->use_ssl) ? get_cdn_url('ssl') : get_cdn_url();
}
// Define variables needed
$upload_dir = wp_upload_dir();
// Set CDN URL
$file_url = str_replace($upload_dir['basedir'], $cdn_url, $file_path);
// Setup CURL request
if (strstr(current(get_headers($file_url)), "200")) {
return true;
} else {
return false;
}
}
/**
* Verify file exists
*/
function verify_exists($file_path)
{
// Ensure CDN instance exists
if (check_cdn() === false) {
return false;
}
// Get CDN URL
if (isset($_SESSION['cdn']->api_settings->custom_cname) && trim($_SESSION['cdn']->api_settings->custom_cname) != '') {
$cdn_url = stripos($_SESSION['cdn']->api_settings->custom_cname, 'http') === false ? 'http://' . $_SESSION['cdn']->api_settings->custom_cname : $_SESSION['cdn']->api_settings->custom_cname;
} else {
$cdn_url = isset($_SESSION['cdn']->api_settings->use_ssl) ? get_cdn_url('ssl') : get_cdn_url();
}
// Define variables needed
$upload_dir = wp_upload_dir();
// Set CDN URL
if (stripos($file_path, $cdn_url) === false) {
$file_url = $cdn_url . '/' . $file_path;
} else {
$file_url = str_replace($upload_dir['basedir'], $cdn_url, $file_path);
}
// Make sure URL starts with http, if not, prepend it
$file_url = strripos($file_url, 'http') === false ? 'http://' . $file_url : $file_url;
// Verify file exists, try to use curl first
if (function_exists('curl_version')) {
// Get headers via curl
$curl = curl_init($file_url);
curl_setopt($curl, CURLOPT_NOBODY, true);
$result = curl_exec($curl);
if ($result !== false) {
try {
$status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
if ($status_code == 200) {
curl_close($curl);
return true;
} else {
curl_close($curl);
return false;
}
} catch (Exception $exc) {
// Get headers via PHP's get_headers function
if (ini_get('allow_url_fopen')) {
if (strstr(current(get_headers($file_url)), "200")) {
return true;
} else {
return false;
}
}
}
}
curl_close($curl);
} else {
// Get headers via PHP's get_headers function
if (strstr(current(get_headers($file_url)), "200")) {
return true;
} else {
return false;
}
}
return false;
}
/**
* Verify file was uploaded
*/
function verify_successful_upload($file_path)
{
// Get CDN object and settings
$_SESSION['cdn'] = isset($_SESSION['cdn']) ? $_SESSION['cdn'] : new RS_CDN();
if (isset($_SESSION['cdn']->api_settings->custom_cname) && trim($_SESSION['cdn']->api_settings->custom_cname) != '') {
$_SESSION['cdn']->cdn_url = $_SESSION['cdn']->api_settings->custom_cname;
} else {
$_SESSION['cdn']->cdn_url = isset($_SESSION['cdn']->api_settings->use_ssl) ? get_cdn_url('ssl') : get_cdn_url();
}
// Define variables needed
$upload_dir = wp_upload_dir();
// Set CDN URL
$file_url = str_replace($upload_dir['basedir'], $_SESSION['cdn']->cdn_url, $file_path);
// Setup CURL request
$curl = curl_init($file_url);
// Issue a HEAD request and follow any redirects.
curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($curl, CURLOPT_HEADER, TRUE);
curl_setopt($curl, CURLOPT_NOBODY, TRUE);
// Submit request and grab Content-Length header
$data = curl_exec($curl);
$remote_file_size = curl_getinfo($curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD);
$local_file_size = filesize($file_path);
// Close CURL request and return successful upload or not
@curl_close($curl);
return $remote_file_size == $local_file_size ? true : false;
}
