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Don't check Link header if not set

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This commit is contained in:
Mikael Nordfeldth 2015-12-15 11:51:16 +01:00
parent ef4c11d262
commit 2b4a6c7dd7
1 changed files with 8 additions and 5 deletions
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13
plugins/Linkback/LinkbackPlugin.php
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@ -141,13 +141,16 @@ class LinkbackPlugin extends Plugin
// Based on https://github.com/indieweb/mention-client-php
// which is licensed Apache 2.0
function getWebmention($result) {
// XXX: the fetcher only gives back one of each header, so this may fail on multiple Link headers
if(preg_match('~<((?:https?://)?[^>]+)>; rel="webmention"~', $result->headers['Link'], $match)) {
return $match[1];
} elseif(preg_match('~<((?:https?://)?[^>]+)>; rel="http://webmention.org/?"~', $result->headers['Link'], $match)) {
return $match[1];
if (isset($result->headers['Link'])) {
// XXX: the fetcher only gives back one of each header, so this may fail on multiple Link headers
if(preg_match('~<((?:https?://)?[^>]+)>; rel="webmention"~', $result->headers['Link'], $match)) {
return $match[1];
} elseif(preg_match('~<((?:https?://)?[^>]+)>; rel="http://webmention.org/?"~', $result->headers['Link'], $match)) {
return $match[1];
}
}
// FIXME: Do proper DOM traversal
if(preg_match('/<(?:link|a)[ ]+href="([^"]+)"[ ]+rel="[^" ]* ?webmention ?[^" ]*"[ ]*\/?>/i', $result->body, $match)
|| preg_match('/<(?:link|a)[ ]+rel="[^" ]* ?webmention ?[^" ]*"[ ]+href="([^"]+)"[ ]*\/?>/i', $result->body, $match)) {
return $match[1];