diff options
| -rw-r--r-- | Zotlabs/Module/Channel.php | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/Zotlabs/Module/Channel.php b/Zotlabs/Module/Channel.php index 6fac610aa..d6daaa0ad 100644 --- a/Zotlabs/Module/Channel.php +++ b/Zotlabs/Module/Channel.php @@ -107,13 +107,11 @@ class Channel extends Controller { // Somebody may attempt an ActivityStreams fetch on one of our message permalinks // Make it do the right thing. - $mid = ((x($_REQUEST, 'mid')) ? $_REQUEST['mid'] : ''); - if ($mid && strpos($mid, 'b64.') === 0) { - $decoded = @base64url_decode(substr($mid, 4)); - if ($decoded) { - $mid = $decoded; - } + $mid = ((x($_REQUEST, 'mid')) ? unpack_link_id($_REQUEST['mid']) : ''); + if ($mid === false) { + http_status_exit(404, 'Not found'); } + if ($mid) { $obj = null; if (strpos($mid, z_root() . '/item/') === 0) { @@ -158,15 +156,19 @@ class Channel extends Controller { profile_load($which, $profile); // Add Opengraph markup - $mid = ((x($_REQUEST, 'mid')) ? $_REQUEST['mid'] : ''); - if (strpos($mid, 'b64.') === 0) - $mid = @base64url_decode(substr($mid, 4)); + $mid = ((x($_REQUEST, 'mid')) ? unpack_link_id($_REQUEST['mid']) : ''); - if ($mid) + if ($mid === false) { + notice(t('Malformed message id.') . EOL); + return; + } + + if ($mid) { $r = q("SELECT * FROM item WHERE mid = '%s' AND uid = %d AND item_private = 0 LIMIT 1", dbesc($mid), intval($channel['channel_id']) ); + } opengraph_add_meta((isset($r) && count($r) ? $r[0] : []), $channel); } @@ -177,12 +179,11 @@ class Channel extends Controller { $category = $datequery = $datequery2 = ''; - $mid = ((x($_REQUEST, 'mid')) ? $_REQUEST['mid'] : ''); - - if (strpos($mid, 'b64.') === 0) - $decoded = @base64url_decode(substr($mid, 4)); - if (isset($decoded)) - $mid = $decoded; + $mid = ((x($_REQUEST, 'mid')) ? unpack_link_id($_REQUEST['mid']) : ''); + if ($mid === false) { + notice(t('Malformed message id.') . EOL); + return; + } $datequery = ((x($_GET, 'dend') && is_a_date_arg($_GET['dend'])) ? notags($_GET['dend']) : ''); $datequery2 = ((x($_GET, 'dbegin') && is_a_date_arg($_GET['dbegin'])) ? notags($_GET['dbegin']) : ''); |