return false;
@curl_setopt($ch, CURLOPT_HEADER, true);
-
+
+ @curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
+ @curl_setopt($ch, CURLOPT_MAXREDIRS, 5);
+
if (!is_null($accept_content)){
curl_setopt($ch,CURLOPT_HTTPHEADER, array (
"Accept: " . $accept_content
));
}
-
+
@curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
- @curl_setopt($ch, CURLOPT_USERAGENT, "Friendica");
+ //@curl_setopt($ch, CURLOPT_USERAGENT, "Friendica");
+ @curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
if(intval($timeout)) {
$base = $s;
$curl_info = @curl_getinfo($ch);
$http_code = $curl_info['http_code'];
-
// logger('fetch_url:' . $http_code . ' data: ' . $s);
$header = '';
}
if($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));
+ $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)) {
- $redirects++;
- return fetch_url($newurl,$binary,$redirects,$timeout);
- }
- }
+ $url_parsed = @parse_url($newurl);
+ if (isset($url_parsed)) {
+ $redirects++;
+ return fetch_url($newurl,$binary,$redirects,$timeout);
+ }
+ }
$a->set_curl_code($http_code);
$body = substr($s,strlen($header));
-
$a->set_curl_headers($header);
-
@curl_close($ch);
return($body);
}}
function post_url($url,$params, $headers = null, &$redirects = 0, $timeout = 0) {
$a = get_app();
$ch = curl_init($url);
- if(($redirects > 8) || (! $ch))
+ if(($redirects > 8) || (! $ch))
return false;
curl_setopt($ch, CURLOPT_HEADER, true);
if(! function_exists('validate_email')) {
function validate_email($addr) {
+ if(get_config('system','disable_email_validation'))
+ return true;
+
if(! strpos($addr,'@'))
return false;
$h = substr($addr,strpos($addr,'@') + 1);
}
-function scale_external_images($s,$include_link = true) {
+function scale_external_images($s, $include_link = true, $scale_replace = false) {
$a = get_app();
+ // Picture addresses can contain special characters
+ $s = htmlspecialchars_decode($s);
+
$matches = null;
- $c = preg_match_all('/\[img\](.*?)\[\/img\]/ism',$s,$matches,PREG_SET_ORDER);
+ $c = preg_match_all('/\[img.*?\](.*?)\[\/img\]/ism',$s,$matches,PREG_SET_ORDER);
if($c) {
require_once('include/Photo.php');
foreach($matches as $mtch) {
logger('scale_external_image: ' . $mtch[1]);
+
$hostname = str_replace('www.','',substr($a->get_baseurl(),strpos($a->get_baseurl(),'://')+3));
if(stristr($mtch[1],$hostname))
continue;
- $i = fetch_url($mtch[1]);
+
+ // $scale_replace, if passed, is an array of two elements. The
+ // first is the name of the full-size image. The second is the
+ // name of a remote, scaled-down version of the full size image.
+ // This allows Friendica to display the smaller remote image if
+ // one exists, while still linking to the full-size image
+ if($scale_replace)
+ $scaled = str_replace($scale_replace[0], $scale_replace[1], $mtch[1]);
+ else
+ $scaled = $mtch[1];
+ $i = fetch_url($scaled);
+
+ $cachefile = get_cachefile(hash("md5", $scaled));
+ if ($cachefile != '')
+ file_put_contents($cachefile, $i);
+
+ // guess mimetype from headers or filename
+ $type = guess_image_type($mtch[1],true);
+
if($i) {
- $ph = new Photo($i);
+ $ph = new Photo($i, $type);
if($ph->is_valid()) {
$orig_width = $ph->getWidth();
$orig_height = $ph->getHeight();
$new_width = $ph->getWidth();
$new_height = $ph->getHeight();
logger('scale_external_images: ' . $orig_width . '->' . $new_width . 'w ' . $orig_height . '->' . $new_height . 'h' . ' match: ' . $mtch[0], LOGGER_DEBUG);
- $s = str_replace($mtch[0],'[img=' . $new_width . 'x' . $new_height. ']' . $mtch[1] . '[/img]'
+ $s = str_replace($mtch[0],'[img=' . $new_width . 'x' . $new_height. ']' . $scaled . '[/img]'
. "\n" . (($include_link)
? '[url=' . $mtch[1] . ']' . t('view full size') . '[/url]' . "\n"
: ''),$s);
}
}
}
+
+ // replace the special char encoding
+ $s = htmlspecialchars($s,ENT_NOQUOTES,'UTF-8');
return $s;
}