Tupambae_Org/friendica_2021-01
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Merge pull request #1051 from annando/master

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Preventing an endless loop while fetching site infos
This commit is contained in:
fabrixxm 2014-07-14 11:48:18 +02:00
parent 85fede486e bb5f797047
commit 3c679d3e64
1 changed files with 10 additions and 5 deletions
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15
mod/parse_url.php
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@ -50,10 +50,15 @@ function completeurl($url, $scheme) {
return($complete); return($complete);
} }
function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true) { function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $count = 1) {
$siteinfo = array(); $siteinfo = array();
if ($count > 10) {
logger("parseurl_getsiteinfo: Endless loop detected for ".$url, LOGGER_DEBUG);
return($siteinfo);
}
$url = trim($url, "'"); $url = trim($url, "'");
$url = trim($url, '"'); $url = trim($url, '"');
$siteinfo["url"] = $url; $siteinfo["url"] = $url;
@ -77,9 +82,9 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true) {
if ((($curl_info['http_code'] == "301") OR ($curl_info['http_code'] == "302") OR ($curl_info['http_code'] == "303") OR ($curl_info['http_code'] == "307")) if ((($curl_info['http_code'] == "301") OR ($curl_info['http_code'] == "302") OR ($curl_info['http_code'] == "303") OR ($curl_info['http_code'] == "307"))
AND (($curl_info['redirect_url'] != "") OR ($curl_info['location'] != ""))) { AND (($curl_info['redirect_url'] != "") OR ($curl_info['location'] != ""))) {
if ($curl_info['redirect_url'] != "") if ($curl_info['redirect_url'] != "")
$siteinfo = parseurl_getsiteinfo($curl_info['redirect_url']); $siteinfo = parseurl_getsiteinfo($curl_info['redirect_url'], $no_guessing, $do_oembed, ++$count);
else else
$siteinfo = parseurl_getsiteinfo($curl_info['location']); $siteinfo = parseurl_getsiteinfo($curl_info['location'], $no_guessing, $do_oembed, ++$count);
return($siteinfo); return($siteinfo);
} }
@ -143,7 +148,7 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true) {
$content = substr($value, 4); $content = substr($value, 4);
} }
if ($content != "") { if ($content != "") {
$siteinfo = parseurl_getsiteinfo($content); $siteinfo = parseurl_getsiteinfo($content, $no_guessing, $do_oembed, ++$count);
return($siteinfo); return($siteinfo);
} }
} }
@ -220,7 +225,7 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true) {
} }
} }
if (isset($oembed_data) AND ($oembed_data->type == "link")) { if (isset($oembed_data) AND ($oembed_data->type == "link") AND ($siteinfo["type"] != "photo")) {
if (isset($oembed_data->title) AND (trim($oembed_data->title) != "")) if (isset($oembed_data->title) AND (trim($oembed_data->title) != ""))
$siteinfo["title"] = $oembed_data->title; $siteinfo["title"] = $oembed_data->title;
if (isset($oembed_data->description) AND (trim($oembed_data->description) != "")) if (isset($oembed_data->description) AND (trim($oembed_data->description) != ""))