*/
use \Friendica\Core\Config;
-use \Friendica\Core\PConfig;
require_once("include/xml.php");
require_once('include/Probe.php');
/**
* @brief Curl wrapper
- *
+ *
* If binary flag is true, return binary results.
* Set the cookiejar argument to a string (e.g. "/tmp/friendica-cookies.txt")
* to preserve cookies from one request to the next.
- *
+ *
* @param string $url URL to fetch
* @param boolean $binary default false
* TRUE if asked to return binary results (file download)
* @param integer $timeout Timeout in seconds, default system config value or 60 seconds
* @param string $accept_content supply Accept: header with 'accept_content' as the value
* @param string $cookiejar Path to cookie jar file
- *
+ *
* @return string The fetched content
*/
function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_content=Null, $cookiejar = 0) {
$check_cert = get_config('system','verifyssl');
@curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
- @curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, (($check_cert) ? 2 : false));
+ if ($check_cert) {
+ @curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
+ }
$prx = get_config('system','proxy');
if(strlen($prx)) {
logger('fetch_url error fetching '.$url.': '.curl_error($ch), LOGGER_NORMAL);
}
+ $ret['errno'] = curl_errno($ch);
+
$base = $s;
$curl_info = @curl_getinfo($ch);
/**
* @brief Post request to $url
- *
+ *
* @param string $url URL to post
* @param mixed $params
* @param string $headers HTTP headers
* @param integer $redirects Recursion counter for internal use - default = 0
* @param integer $timeout The timeout in seconds, default system config value or 60 seconds
- *
+ *
* @return string The content
*/
function post_url($url,$params, $headers = null, &$redirects = 0, $timeout = 0) {
$check_cert = get_config('system','verifyssl');
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
- curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, (($check_cert) ? 2 : false));
+ if ($check_cert) {
+ @curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
+ }
$prx = get_config('system','proxy');
if(strlen($prx)) {
curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
/**
* @brief Check URL to se if ts's real
- *
+ *
* Take a URL from the wild, prepend http:// if necessary
* and check DNS to see if it's real (or check if is a valid IP address)
- *
+ *
* @param string $url The URL to be validated
* @return boolean True if it's a valid URL, fals if something wrong with it
*/
/**
* @brief Checks that email is an actual resolvable internet address
- *
+ *
* @param string $addr The email address
* @return boolean True if it's a valid email address, false if it's not
*/
/**
* @brief Check if URL is allowed
- *
+ *
* Check $url against our list of allowed sites,
* wildcards allowed. If allowed_sites is unset return true;
- *
+ *
* @param string $url URL which get tested
* @return boolean True if url is allowed otherwise return false
*/
/**
* @brief Check if email address is allowed to register here.
- *
+ *
* Compare against our list (wildcards allowed).
- *
+ *
* @param type $email
* @return boolean False if not allowed, true if allowed
* or if allowed list is not configured
}
}
-function original_url($url, $depth=1, $fetchbody = false) {
-
- $a = get_app();
-
- // Remove Analytics Data from Google and other tracking platforms
+/**
+ * @brief Remove Google Analytics and other tracking platforms params from URL
+ *
+ * @param string $url Any user-submitted URL that may contain tracking params
+ * @return string The same URL stripped of tracking parameters
+ */
+function strip_tracking_query_params($url)
+{
$urldata = parse_url($url);
if (is_string($urldata["query"])) {
$query = $urldata["query"];
parse_str($query, $querydata);
- if (is_array($querydata))
- foreach ($querydata AS $param=>$value)
+ if (is_array($querydata)) {
+ foreach ($querydata AS $param => $value) {
if (in_array($param, array("utm_source", "utm_medium", "utm_term", "utm_content", "utm_campaign",
"wt_mc", "pk_campaign", "pk_kwd", "mc_cid", "mc_eid",
"fb_action_ids", "fb_action_types", "fb_ref",
"awesm", "wtrid",
"woo_campaign", "woo_source", "woo_medium", "woo_content", "woo_term"))) {
- $pair = $param."=".urlencode($value);
+ $pair = $param . "=" . urlencode($value);
$url = str_replace($pair, "", $url);
// Second try: if the url isn't encoded completely
- $pair = $param."=".str_replace(" ", "+", $value);
+ $pair = $param . "=" . str_replace(" ", "+", $value);
$url = str_replace($pair, "", $url);
// Third try: Maybey the url isn't encoded at all
- $pair = $param."=".$value;
+ $pair = $param . "=" . $value;
$url = str_replace($pair, "", $url);
$url = str_replace(array("?&", "&&"), array("?", ""), $url);
}
+ }
+ }
- if (substr($url, -1, 1) == "?")
+ if (substr($url, -1, 1) == "?") {
$url = substr($url, 0, -1);
+ }
}
+ return $url;
+}
+
+/**
+ * @brief Returns the original URL of the provided URL
+ *
+ * This function strips tracking query params and follows redirections, either
+ * through HTTP code or meta refresh tags. Stops after 10 redirections.
+ *
+ * @todo Remove the $fetchbody parameter that generates an extraneous HEAD request
+ *
+ * @see ParseUrl::getSiteinfo
+ *
+ * @param string $url A user-submitted URL
+ * @param int $depth The current redirection recursion level (internal)
+ * @param bool $fetchbody Wether to fetch the body or not after the HEAD requests
+ * @return string A canonical URL
+ */
+function original_url($url, $depth = 1, $fetchbody = false) {
+ $a = get_app();
+
+ $url = strip_tracking_query_params($url);
+
if ($depth > 10)
return($url);
/**
* @brief Encodes content to json
- *
+ *
* This function encodes an array to json format
* and adds an application/json HTTP header to the output.
* After finishing the process is getting killed.
projects / friendica.git / blobdiff