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Add link previews for fedilinks

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This commit is contained in:
SoniEx2 2024-01-18 19:53:32 -03:00
parent 767ab499a2
commit 56ef13f209
1 changed files with 25 additions and 1 deletions
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26
server/plugins/irc-events/link.ts
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@ -506,7 +506,31 @@ function fetch(uri: string, headers: Record<string, string>) {
function normalizeURL(link: string, baseLink?: string, disallowHttp = false) {
try {
const url = new URL(link, baseLink);
let url = new URL(link, baseLink);
// Use the FediLinks protocol to fetch web+ links
if (url.protocol.startsWith("web+")) {
// ew, why is this not RFC 3986
// no worries, we can copy over from https://github.com/fedi-to/fc-dll/blob/default/src/lib.rs#L109
const targetParam = url.toString();
const asIfHttps = targetParam.replace(/^web\+[a-z]+/, "https");
if (
!asIfHttps.startsWith("https://") ||
asIfHttps.startsWith("https:///") ||
asIfHttps.startsWith("https://\\")
) {
return undefined;
}
url = new URL(asIfHttps);
url.pathname = "/.well-known/protocol-handler";
url.username = "";
url.password = "";
url.hash = "";
url.search = "";
url.searchParams.append("target", targetParam);
}
// Only fetch http and https links
if (url.protocol !== "http:" && url.protocol !== "https:") {