private function load()
{
if (empty($this->url)) {
$this->error('The specified URL is empty, please provide a valid URL.');
return;
}
// Try to replace the URL with an absolute path if it is local, used to prevent scripts
// from executing when they are loaded.
$url = $this->url;
if ($this->setting_val(CrayonSettings::DECODE_ATTRIBUTES)) {
$url = CrayonUtil::html_entity_decode($url);
}
$url = CrayonUtil::pathf($url);
$site_http = CrayonGlobalSettings::site_url();
$scheme = parse_url($url, PHP_URL_SCHEME);
// Try to replace the site URL with a path to force local loading
if (empty($scheme)) {
// No url scheme is given - path may be given as relative
$url = CrayonUtil::path_slash($site_http) . CrayonUtil::path_slash($this->setting_val(CrayonSettings::LOCAL_PATH)) . $url;
}
$http_code = 0;
// If available, use the built in wp remote http get function.
if (function_exists('wp_remote_get')) {
$url_uid = 'crayon_' . CrayonUtil::str_uid($url);
$cached = get_transient($url_uid, 'crayon-syntax');
CrayonSettingsWP::load_cache();
if ($cached !== FALSE) {
$content = $cached;
$http_code = 200;
} else {
$response = @wp_remote_get($url, array('sslverify' => false, 'timeout' => 20));
$content = wp_remote_retrieve_body($response);
$http_code = wp_remote_retrieve_response_code($response);
$cache = $this->setting_val(CrayonSettings::CACHE);
$cache_sec = CrayonSettings::get_cache_sec($cache);
if ($cache_sec > 1 && $http_code >= 200 && $http_code < 400) {
set_transient($url_uid, $content, $cache_sec);
CrayonSettingsWP::add_cache($url_uid);
}
}
} else {
if (in_array(parse_url($url, PHP_URL_SCHEME), array('ssl', 'http', 'https'))) {
// Fallback to cURL. At this point, the URL scheme must be valid.
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
// For https connections, we do not require SSL verification
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
curl_setopt($ch, CURLOPT_FRESH_CONNECT, FALSE);
curl_setopt($ch, CURLOPT_MAXREDIRS, 5);
if (isset($_SERVER['HTTP_USER_AGENT'])) {
curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
}
$content = curl_exec($ch);
$error = curl_error($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
}
}
if ($http_code >= 200 && $http_code < 400) {
$this->code($content);
} else {
if (empty($this->code)) {
// If code is also given, just use that
$this->error("The provided URL ('{$this->url}'), parsed remotely as ('{$url}'), could not be accessed.");
}
}
$this->needs_load = FALSE;
}
private function load()
{
if (empty($this->url)) {
$this->error('The specified URL is empty, please provide a valid URL.');
return;
}
/* Try to replace the URL with an absolute path if it is local, used to prevent scripts
from executing when they are loaded. */
$url = $this->url;
if ($this->setting_val(CrayonSettings::DECODE_ATTRIBUTES)) {
$url = CrayonUtil::html_entity_decode($url);
}
$url = CrayonUtil::pathf($url);
$local = FALSE;
// Whether to read locally
$site_http = CrayonGlobalSettings::site_url();
$site_path = CrayonGlobalSettings::site_path();
$scheme = parse_url($url, PHP_URL_SCHEME);
// Try to replace the site URL with a path to force local loading
if (strpos($url, $site_http) !== FALSE || strpos($url, $site_path) !== FALSE) {
$url = str_replace($site_http, $site_path, $url);
// Attempt to load locally
$local = TRUE;
$local_url = $url;
} else {
if (empty($scheme)) {
// No url scheme is given - path may be given as relative
$local_url = preg_replace('#^((\\/|\\\\)*)?#', $site_path . $this->setting_val(CrayonSettings::LOCAL_PATH), $url);
$local = TRUE;
}
}
// Try to find the file locally
if ($local == TRUE) {
if (($contents = CrayonUtil::file($local_url)) !== FALSE) {
$this->code($contents);
} else {
$local = FALSE;
CrayonLog::log("Local url ({$local_url}) could not be loaded", '', FALSE);
}
}
// If reading the url locally produced an error or failed, attempt remote request
if ($local == FALSE) {
if (empty($scheme)) {
$url = (CrayonUtil::isSecure() ? 'https://' : 'http://') . $url;
}
$http_code = 0;
// If available, use the built in wp remote http get function, we don't need SSL
if (function_exists('wp_remote_get')) {
$url_uid = 'crayon_' . CrayonUtil::str_uid($url);
$cached = get_transient($url_uid, 'crayon-syntax');
CrayonSettingsWP::load_cache();
if ($cached !== FALSE) {
$content = $cached;
$http_code = 200;
} else {
$response = @wp_remote_get($url, array('sslverify' => false, 'timeout' => 20));
$content = wp_remote_retrieve_body($response);
$http_code = wp_remote_retrieve_response_code($response);
$cache = $this->setting_val(CrayonSettings::CACHE);
$cache_sec = CrayonSettings::get_cache_sec($cache);
if ($cache_sec > 1 && $http_code >= 200 && $http_code < 400) {
set_transient($url_uid, $content, $cache_sec);
CrayonSettingsWP::add_cache($url_uid);
}
}
} else {
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
// For https connections, we do not require SSL verification
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
curl_setopt($ch, CURLOPT_FRESH_CONNECT, FALSE);
curl_setopt($ch, CURLOPT_MAXREDIRS, 5);
curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
$content = curl_exec($ch);
$error = curl_error($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
}
if ($http_code >= 200 && $http_code < 400) {
$this->code($content);
} else {
if (empty($this->code)) {
// If code is also given, just use that
$this->error("The provided URL ('{$this->url}'), parsed remotely as ('{$url}'), could not be accessed.");
}
}
}
$this->needs_load = FALSE;
}
