* @file include/network.php
*/
+use Friendica\Core\Config;
+
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, $cookiejar = 0) {
* string 'header' => HTTP headers
* string 'body' => fetched content
*/
-function z_fetch_url($url,$binary = false, &$redirects = 0, $opts=array()) {
-
- $ret = array('return_code' => 0, 'success' => false, 'header' => "", 'body' => "");
-
+function z_fetch_url($url, $binary = false, &$redirects = 0, $opts = array()) {
+ $ret = array('return_code' => 0, 'success' => false, 'header' => '', 'body' => '');
$stamp1 = microtime(true);
$a = get_app();
+ if (blocked_url($url)) {
+ logger('z_fetch_url: domain of ' . $url . ' is blocked', LOGGER_DATA);
+ return $ret;
+ }
+
$ch = @curl_init($url);
- if(($redirects > 8) || (! $ch))
- return false;
+
+ if (($redirects > 8) || (!$ch)) {
+ return $ret;
+ }
@curl_setopt($ch, CURLOPT_HEADER, true);
- if(x($opts,"cookiejar")) {
+ if (x($opts, "cookiejar")) {
curl_setopt($ch, CURLOPT_COOKIEJAR, $opts["cookiejar"]);
curl_setopt($ch, CURLOPT_COOKIEFILE, $opts["cookiejar"]);
}
// @curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
// @curl_setopt($ch, CURLOPT_MAXREDIRS, 5);
- if (x($opts,'accept_content')){
- curl_setopt($ch,CURLOPT_HTTPHEADER, array (
- "Accept: " . $opts['accept_content']
+ if (x($opts, 'accept_content')) {
+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
+ 'Accept: ' . $opts['accept_content']
));
}
- @curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
+ @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
@curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
+ $range = intval(Config::get('system', 'curl_range_bytes', 0));
+ if ($range > 0) {
+ @curl_setopt($ch, CURLOPT_RANGE, '0-' . $range);
+ }
- if(x($opts,'headers')){
+ if (x($opts, 'headers')) {
@curl_setopt($ch, CURLOPT_HTTPHEADER, $opts['headers']);
}
- if(x($opts,'nobody')){
+
+ if (x($opts, 'nobody')) {
@curl_setopt($ch, CURLOPT_NOBODY, $opts['nobody']);
}
- if(x($opts,'timeout')){
+
+ if (x($opts, 'timeout')) {
@curl_setopt($ch, CURLOPT_TIMEOUT, $opts['timeout']);
} else {
- $curl_time = intval(get_config('system','curl_timeout'));
+ $curl_time = intval(get_config('system', 'curl_timeout'));
@curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
}
// by default we will allow self-signed certs
// but you can override this
- $check_cert = get_config('system','verifyssl');
+ $check_cert = get_config('system', 'verifyssl');
@curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
- @curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, (($check_cert) ? 2 : false));
- $prx = get_config('system','proxy');
- if(strlen($prx)) {
+ if ($check_cert) {
+ @curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
+ }
+
+ $proxy = get_config('system', 'proxy');
+
+ if (strlen($proxy)) {
@curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
- @curl_setopt($ch, CURLOPT_PROXY, $prx);
- $prxusr = @get_config('system','proxyuser');
- if(strlen($prxusr))
- @curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
+ @curl_setopt($ch, CURLOPT_PROXY, $proxy);
+ $proxyuser = @get_config('system', 'proxyuser');
+
+ if (strlen($proxyuser)) {
+ @curl_setopt($ch, CURLOPT_PROXYUSERPWD, $proxyuser);
+ }
+ }
+
+ if ($binary) {
+ @curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);
}
- if($binary)
- @curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
$a->set_curl_code(0);
// if it throws any errors.
$s = @curl_exec($ch);
+
if (curl_errno($ch) !== CURLE_OK) {
- logger('fetch_url error fetching '.$url.': '.curl_error($ch), LOGGER_NORMAL);
+ logger('fetch_url error fetching ' . $url . ': ' . curl_error($ch), LOGGER_NORMAL);
}
+ $ret['errno'] = curl_errno($ch);
+
$base = $s;
$curl_info = @curl_getinfo($ch);
$http_code = $curl_info['http_code'];
- logger('fetch_url '.$url.': '.$http_code." ".$s, LOGGER_DATA);
+ logger('fetch_url ' . $url . ': ' . $http_code . " " . $s, LOGGER_DATA);
$header = '';
// Pull out multiple headers, e.g. proxy and continuation headers
// allow for HTTP/2.x without fixing code
- while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
- $chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
+ while (preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/', $base)) {
+ $chunk = substr($base, 0, strpos($base, "\r\n\r\n") + 4);
$header .= $chunk;
- $base = substr($base,strlen($chunk));
+ $base = substr($base, strlen($chunk));
}
$a->set_curl_code($http_code);
$a->set_curl_content_type($curl_info['content_type']);
$a->set_curl_headers($header);
- if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
- $new_location_info = @parse_url($curl_info["redirect_url"]);
- $old_location_info = @parse_url($curl_info["url"]);
+ if ($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
+ $new_location_info = @parse_url($curl_info['redirect_url']);
+ $old_location_info = @parse_url($curl_info['url']);
- $newurl = $curl_info["redirect_url"];
+ $newurl = $curl_info['redirect_url'];
- if (($new_location_info["path"] == "") AND ($new_location_info["host"] != ""))
- $newurl = $new_location_info["scheme"]."://".$new_location_info["host"].$old_location_info["path"];
+ if (($new_location_info['path'] == '') AND ( $new_location_info['host'] != '')) {
+ $newurl = $new_location_info['scheme'] . '://' . $new_location_info['host'] . $old_location_info['path'];
+ }
$matches = array();
+
if (preg_match('/(Location:|URI:)(.*?)\n/i', $header, $matches)) {
$newurl = trim(array_pop($matches));
}
- if(strpos($newurl,'/') === 0)
- $newurl = $old_location_info["scheme"]."://".$old_location_info["host"].$newurl;
+
+ if (strpos($newurl, '/') === 0) {
+ $newurl = $old_location_info['scheme'] . '://' . $old_location_info['host'] . $newurl;
+ }
+
if (filter_var($newurl, FILTER_VALIDATE_URL)) {
$redirects++;
@curl_close($ch);
- return z_fetch_url($newurl,$binary, $redirects, $opts);
+ return z_fetch_url($newurl, $binary, $redirects, $opts);
}
}
-
$a->set_curl_code($http_code);
$a->set_curl_content_type($curl_info['content_type']);
- $body = substr($s,strlen($header));
-
-
+ $body = substr($s, strlen($header));
$rc = intval($http_code);
$ret['return_code'] = $rc;
$ret['success'] = (($rc >= 200 && $rc <= 299) ? true : false);
$ret['redirect_url'] = $url;
- if(! $ret['success']) {
+
+ if (!$ret['success']) {
$ret['error'] = curl_error($ch);
$ret['debug'] = $curl_info;
logger('z_fetch_url: error: ' . $url . ': ' . $ret['error'], LOGGER_DEBUG);
- logger('z_fetch_url: debug: ' . print_r($curl_info,true), LOGGER_DATA);
+ logger('z_fetch_url: debug: ' . print_r($curl_info, true), LOGGER_DATA);
}
- $ret['body'] = substr($s,strlen($header));
+
+ $ret['body'] = substr($s, strlen($header));
$ret['header'] = $header;
- if(x($opts,'debug')) {
+
+ if (x($opts, 'debug')) {
$ret['debug'] = $curl_info;
}
+
@curl_close($ch);
- $a->save_timestamp($stamp1, "network");
+ $a->save_timestamp($stamp1, 'network');
return($ret);
-
}
-// post request to $url. $params is an array of post variables.
-
/**
- * @brief Post request to $url
- *
+ * @brief Send POST request to $url
+ *
* @param string $url URL to post
- * @param mixed $params
+ * @param mixed $params array of POST variables
* @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, $timeout = 0) {
+function post_url($url, $params, $headers = null, &$redirects = 0, $timeout = 0) {
$stamp1 = microtime(true);
+ if (blocked_url($url)) {
+ logger('post_url: domain of ' . $url . ' is blocked', LOGGER_DATA);
+ return false;
+ }
+
$a = get_app();
$ch = curl_init($url);
- if(($redirects > 8) || (! $ch))
+
+ if (($redirects > 8) || (!$ch)) {
return false;
+ }
- logger("post_url: start ".$url, LOGGER_DATA);
+ logger('post_url: start ' . $url, LOGGER_DATA);
curl_setopt($ch, CURLOPT_HEADER, true);
- curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
- curl_setopt($ch, CURLOPT_POST,1);
- curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+ curl_setopt($ch, CURLOPT_POST, 1);
+ curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
- if(intval($timeout)) {
+ if (intval($timeout)) {
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
- }
- else {
- $curl_time = intval(get_config('system','curl_timeout'));
+ } else {
+ $curl_time = intval(get_config('system', 'curl_timeout'));
curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
}
- if(defined('LIGHTTPD')) {
- if(!is_array($headers)) {
+ if (defined('LIGHTTPD')) {
+ if (!is_array($headers)) {
$headers = array('Expect:');
} else {
- if(!in_array('Expect:', $headers)) {
+ if (!in_array('Expect:', $headers)) {
array_push($headers, 'Expect:');
}
}
}
- if($headers)
+
+ if ($headers) {
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
+ }
- $check_cert = get_config('system','verifyssl');
+ $check_cert = get_config('system', 'verifyssl');
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
- curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, (($check_cert) ? 2 : false));
- $prx = get_config('system','proxy');
- if(strlen($prx)) {
+
+ if ($check_cert) {
+ @curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
+ }
+
+ $proxy = get_config('system', 'proxy');
+
+ if (strlen($proxy)) {
curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
- curl_setopt($ch, CURLOPT_PROXY, $prx);
- $prxusr = get_config('system','proxyuser');
- if(strlen($prxusr))
- curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
+ curl_setopt($ch, CURLOPT_PROXY, $proxy);
+ $proxyuser = get_config('system', 'proxyuser');
+ if (strlen($proxyuser)) {
+ curl_setopt($ch, CURLOPT_PROXYUSERPWD, $proxyuser);
+ }
}
$a->set_curl_code(0);
$curl_info = curl_getinfo($ch);
$http_code = $curl_info['http_code'];
- logger("post_url: result ".$http_code." - ".$url, LOGGER_DATA);
+ logger('post_url: result ' . $http_code . ' - ' . $url, LOGGER_DATA);
$header = '';
// Pull out multiple headers, e.g. proxy and continuation headers
// allow for HTTP/2.x without fixing code
- while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
- $chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
+ while (preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/', $base)) {
+ $chunk = substr($base, 0, strpos($base, "\r\n\r\n") + 4);
$header .= $chunk;
- $base = substr($base,strlen($chunk));
+ $base = substr($base, strlen($chunk));
}
- if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
+ if ($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
$matches = array();
preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
$newurl = trim(array_pop($matches));
- if(strpos($newurl,'/') === 0)
- $newurl = $old_location_info["scheme"] . "://" . $old_location_info["host"] . $newurl;
+
+ if (strpos($newurl, '/') === 0) {
+ $newurl = $old_location_info['scheme'] . '://' . $old_location_info['host'] . $newurl;
+ }
+
if (filter_var($newurl, FILTER_VALIDATE_URL)) {
$redirects++;
- logger("post_url: redirect ".$url." to ".$newurl);
- return post_url($newurl,$params, $headers, $redirects, $timeout);
- //return fetch_url($newurl,false,$redirects,$timeout);
+ logger('post_url: redirect ' . $url . ' to ' . $newurl);
+ return post_url($newurl, $params, $headers, $redirects, $timeout);
}
}
+
$a->set_curl_code($http_code);
- $body = substr($s,strlen($header));
+
+ $body = substr($s, strlen($header));
$a->set_curl_headers($header);
curl_close($ch);
- $a->save_timestamp($stamp1, "network");
+ $a->save_timestamp($stamp1, 'network');
- logger("post_url: end ".$url, LOGGER_DATA);
+ logger('post_url: end ' . $url, LOGGER_DATA);
- return($body);
+ return $body;
}
// Generic XML return
/**
* @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
*/
$h = @parse_url($url);
- if(! $h) {
+ if (! $h) {
return false;
}
- $str_allowed = get_config('system','allowed_sites');
- if(! $str_allowed)
+ $str_allowed = Config::get('system', 'allowed_sites');
+ if (! $str_allowed) {
return true;
+ }
$found = false;
// always allow our own site
- if($host == strtolower($_SERVER['SERVER_NAME']))
+ if ($host == strtolower($_SERVER['SERVER_NAME'])) {
return true;
+ }
$fnmatch = function_exists('fnmatch');
- $allowed = explode(',',$str_allowed);
+ $allowed = explode(',', $str_allowed);
- if(count($allowed)) {
- foreach($allowed as $a) {
+ if (count($allowed)) {
+ foreach ($allowed as $a) {
$pat = strtolower(trim($a));
- if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
+ if (($fnmatch && fnmatch($pat, $host)) || ($pat == $host)) {
$found = true;
break;
}
return $found;
}
+/**
+ * Checks if the provided url domain is on the domain blocklist.
+ * Returns true if it is or malformed URL, false if not.
+ *
+ * @param string $url The url to check the domain from
+ * @return boolean
+ */
+function blocked_url($url) {
+ $h = @parse_url($url);
+
+ if (! $h) {
+ return true;
+ }
+
+ $domain_blocklist = Config::get('system', 'blocklist', array());
+ if (! $domain_blocklist) {
+ return false;
+ }
+
+ $host = strtolower($h['host']);
+
+ foreach ($domain_blocklist as $domain_block) {
+ if (strtolower($domain_block['domain']) == $host) {
+ return true;
+ }
+ }
+
+ 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
libxml_use_internal_errors(true);
$x = @simplexml_load_string($s2);
- if(! $x) {
+ if (! $x) {
logger('libxml: parse: error: ' . $s2, LOGGER_DATA);
- foreach(libxml_get_errors() as $err)
+ foreach (libxml_get_errors() as $err) {
logger('libxml: parse: ' . $err->code." at ".$err->line.":".$err->column." : ".$err->message, LOGGER_DATA);
+ }
libxml_clear_errors();
}
return $x;
function scale_external_images($srctext, $include_link = true, $scale_replace = false) {
// Suppress "view full size"
- if (intval(get_config('system','no_view_full_size')))
+ if (intval(get_config('system','no_view_full_size'))) {
$include_link = false;
+ }
$a = get_app();
$matches = null;
$c = preg_match_all('/\[img.*?\](.*?)\[\/img\]/ism',$s,$matches,PREG_SET_ORDER);
- if($c) {
+ if ($c) {
require_once('include/Photo.php');
- foreach($matches as $mtch) {
+ foreach ($matches as $mtch) {
logger('scale_external_image: ' . $mtch[1]);
$hostname = str_replace('www.','',substr(App::get_baseurl(),strpos(App::get_baseurl(),'://')+3));
- if(stristr($mtch[1],$hostname))
+ if (stristr($mtch[1],$hostname)) {
continue;
+ }
// $scale_replace, if passed, is an array of two elements. The
// first is the name of the full-size image. The second is the
// name of a remote, scaled-down version of the full size image.
// This allows Friendica to display the smaller remote image if
// one exists, while still linking to the full-size image
- if($scale_replace)
+ if ($scale_replace) {
$scaled = str_replace($scale_replace[0], $scale_replace[1], $mtch[1]);
- else
+ } else {
$scaled = $mtch[1];
- $i = @fetch_url($scaled);
- if(! $i)
+ }
+ $i = fetch_url($scaled);
+ if (! $i) {
return $srctext;
+ }
// guess mimetype from headers or filename
$type = guess_image_type($mtch[1],true);
- if($i) {
+ if ($i) {
$ph = new Photo($i, $type);
- if($ph->is_valid()) {
+ if ($ph->is_valid()) {
$orig_width = $ph->getWidth();
$orig_height = $ph->getHeight();
- if($orig_width > 640 || $orig_height > 640) {
+ if ($orig_width > 640 || $orig_height > 640) {
$ph->scaleImage(640);
$new_width = $ph->getWidth();
function fix_contact_ssl_policy(&$contact,$new_policy) {
$ssl_changed = false;
- if((intval($new_policy) == SSL_POLICY_SELFSIGN || $new_policy === 'self') && strstr($contact['url'],'https:')) {
+ if ((intval($new_policy) == SSL_POLICY_SELFSIGN || $new_policy === 'self') && strstr($contact['url'],'https:')) {
$ssl_changed = true;
$contact['url'] = str_replace('https:','http:',$contact['url']);
$contact['request'] = str_replace('https:','http:',$contact['request']);
$contact['poco'] = str_replace('https:','http:',$contact['poco']);
}
- if((intval($new_policy) == SSL_POLICY_FULL || $new_policy === 'full') && strstr($contact['url'],'http:')) {
+ if ((intval($new_policy) == SSL_POLICY_FULL || $new_policy === 'full') && strstr($contact['url'],'http:')) {
$ssl_changed = true;
$contact['url'] = str_replace('http:','https:',$contact['url']);
$contact['request'] = str_replace('http:','https:',$contact['request']);
$contact['poco'] = str_replace('http:','https:',$contact['poco']);
}
- if($ssl_changed) {
- q("update contact set
- url = '%s',
- request = '%s',
- notify = '%s',
- poll = '%s',
- confirm = '%s',
- poco = '%s'
- where id = %d limit 1",
+ if ($ssl_changed) {
+ q("UPDATE `contact` SET
+ `url` = '%s',
+ `request` = '%s',
+ `notify` = '%s',
+ `poll` = '%s',
+ `confirm` = '%s',
+ `poco` = '%s'
+ WHERE `id` = %d LIMIT 1",
dbesc($contact['url']),
dbesc($contact['request']),
dbesc($contact['notify']),
}
}
-function original_url($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