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strip utf8mb4 characters in enclosures on mysql

This commit is contained in:
Andrew Dolgov 2018-01-29 23:24:11 +03:00
parent e038374608
commit 102a01354b
1 changed files with 17 additions and 3 deletions
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18
classes/rssutils.php Normal file → Executable file
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@ -16,6 +16,11 @@ class RSSUtils {
return sha1(implode(",", $pluginhost->get_plugin_names()) . $tmp);
}
// Strips utf8mb4 characters (i.e. emoji) for mysql
static function strip_utf8mb4($str) {
return preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $str);
}
static function update_feedbrowser_cache() {
$pdo = Db::pdo();
@ -760,10 +765,9 @@ class RSSUtils {
// Workaround: 4-byte unicode requires utf8mb4 in MySQL. See https://tt-rss.org/forum/viewtopic.php?f=1&t=3377&p=20077#p20077
if (DB_TYPE == "mysql") {
foreach ($article as $k => $v) {
// i guess we'll have to take the risk of 4byte unicode labels & tags here
if (is_string($article[$k])) {
$article[$k] = preg_replace('/[\x{10000}-\x{10FFFF}]/u', "\xEF\xBF\xBD", $v);
$article[$k] = RSSUtils::strip_utf8mb4($v);
}
}
}
@ -1043,6 +1047,16 @@ class RSSUtils {
$e_item = array(
rewrite_relative_url($site_url, $e->link),
$e->type, $e->length, $e->title, $e->width, $e->height);
// Yet another episode of "mysql utf8_general_ci is gimped"
if (DB_TYPE == "mysql") {
for ($i = 0; $i < count($e_item); $i++) {
if (is_string($e_item[$i])) {
$e_item[$i] = RSSUtils::strip_utf8mb4($e_item[$i]);
}
}
}
array_push($enclosures, $e_item);
}
}