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-rw-r--r--lib/favicons.php7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/favicons.php b/lib/favicons.php
index de993ec8a..62a21a246 100644
--- a/lib/favicons.php
+++ b/lib/favicons.php
@@ -61,7 +61,12 @@ function searchFavicon(&$url) {
strtolower(trim($link->getAttribute('rel'))) === $rel) {
$href = trim($link->getAttribute('href'));
if (substr($href, 0, 2) === '//') {
- $href = 'https:' . $href;
+ // Case of protocol-relative URLs
+ if (preg_match('%^(https?:)//%i', $url, $matches)) {
+ $href = $matches[1] . $href;
+ } else {
+ $href = 'https:' . $href;
+ }
}
if (filter_var($href, FILTER_VALIDATE_URL) === false) {
$href = SimplePie_IRI::absolutize($url, $href);