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-rw-r--r--include/network.php90
1 files changed, 90 insertions, 0 deletions
diff --git a/include/network.php b/include/network.php
index 6b9557234..e987c5fb4 100644
--- a/include/network.php
+++ b/include/network.php
@@ -182,6 +182,96 @@ function post_url($url,$params, $headers = null, &$redirects = 0, $timeout = 0)
return($body);
}}
+if(! function_exists('z_fetch_url')) {
+function z_fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_content=Null) {
+
+ $ret = array('return_code' => 0, 'success' => false, 'header' => "", 'body' => "");
+
+ $a = get_app();
+
+ $ch = @curl_init($url);
+ if(($redirects > 8) || (! $ch))
+ return false;
+
+ @curl_setopt($ch, CURLOPT_HEADER, true);
+
+ if (!is_null($accept_content)){
+ curl_setopt($ch,CURLOPT_HTTPHEADER, array (
+ "Accept: " . $accept_content
+ ));
+ }
+
+ @curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
+ @curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
+
+
+ if(intval($timeout)) {
+ @curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
+ }
+ else {
+ $curl_time = intval(get_config('system','curl_timeout'));
+ @curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
+ }
+ // by default we will allow self-signed certs
+ // but you can override this
+
+ $check_cert = get_config('system','verifyssl');
+ @curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
+
+ $prx = get_config('system','proxy');
+ if(strlen($prx)) {
+ @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, $prxusr);
+ }
+ if($binary)
+ @curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
+
+
+ // don't let curl abort the entire application
+ // if it throws any errors.
+
+ $s = @curl_exec($ch);
+
+ $base = $s;
+ $curl_info = @curl_getinfo($ch);
+ $http_code = $curl_info['http_code'];
+// logger('fetch_url:' . $http_code . ' data: ' . $s);
+ $header = '';
+
+ // Pull out multiple headers, e.g. proxy and continuation headers
+ // allow for HTTP/2.x without fixing code
+
+ while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
+ $chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
+ $header .= $chunk;
+ $base = substr($base,strlen($chunk));
+ }
+
+ if($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 = $url . $newurl;
+ $url_parsed = @parse_url($newurl);
+ if (isset($url_parsed)) {
+ $redirects++;
+ @curl_close($ch);
+ return z_fetch_url($newurl,$binary,$redirects,$timeout,$accpt_content);
+ }
+ }
+
+ $rc = intval($http_code);
+ $ret['return_code'] = $rc;
+ $ret['success'] = (($rc >= 200 && $rc <= 299) ? true : false);
+ $ret['body'] = substr($s,strlen($header));
+ $ret['header'] = $header;
+ @curl_close($ch);
+ return($ret);
+}}