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perf: 消息支持style

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Pang 2024-03-26 10:17:49 +08:00
parent c67f52e960
commit 59c7b148dd
1 changed files with 14 additions and 1 deletions
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15
app/Models/WebSocketDialogMsg.php
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@ -779,7 +779,20 @@ class WebSocketDialogMsg extends AbstractModel
}
// 过滤标签
$text = strip_tags($text, '<blockquote> <strong> <pre> <ol> <ul> <li> <em> <p> <s> <u> <a>');
$text = preg_replace("/\<(blockquote|strong|pre|ol|ul|li|em|p|s|u).*?\>/is", "<$1>", $text); // 不用去除a标签，上面已经处理过了
$text = preg_replace_callback("/\<(blockquote|strong|pre|ol|ul|li|em|p|s|u)(.*?)\>/is", function (array $match) { // 不用去除a标签，上面已经处理过了
preg_match("/<[^>]*?style=([\"'])(.*?)\\1[^>]*?>/is", $match[0], $matchs);
$attach = '';
if ($matchs) {
$styleArray = explode(';', $matchs[2]);
$validStyles = array_filter($styleArray, function ($styleItem) {
return preg_match('/\s*(?:color|font-size|background-color|font-weight|font-family|text-decoration|font-style)\s*:/i', $styleItem); // 只保留指定样式
});
if ($validStyles) {
$attach = ' style="' . implode(';', $validStyles) . '"';
}
}
return "<{$match[1]}{$attach}>";
}, $text);
$text = preg_replace_callback("/\[:LINK:(.*?):(.*?):\]/i", function (array $match) {
return "<a href=\"" . base64_decode($match[1]) . "\" target=\"_blank\">" . base64_decode($match[2]) . "</a>";
}, $text);