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fix: correctly match protocols

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This commit is contained in:
Paul Makles 2022-09-18 12:32:29 +01:00
parent e6ad6a552e
commit 6b9106c975
1 changed files with 33 additions and 18 deletions
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51
src/lib/links.ts
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@ -1,3 +1,6 @@
/**
* Type of link
*/
type LinkType =
| {
type: "navigate";
@ -6,6 +9,9 @@ type LinkType =
| { type: "external"; href: string; url: URL }
| { type: "none" };
/**
* Allowed origins for relative navigation
*/
const ALLOWED_ORIGINS = [
location.hostname,
"app.revolt.chat",
@ -13,27 +19,36 @@ const ALLOWED_ORIGINS = [
"local.revolt.chat",
];
/**
* Permissible protocols in URLs
*/
const PROTOCOL_WHITELIST = [
"https",
"ftp",
"ftps",
"mailto",
"news",
"irc",
"gopher",
"nntp",
"feed",
"telnet",
"mms",
"rtsp",
"svn",
"git",
"tel",
"fax",
"xmpp",
"magnet",
"http:",
"https:",
"ftp:",
"ftps:",
"mailto:",
"news:",
"irc:",
"gopher:",
"nntp:",
"feed:",
"telnet:",
"mms:",
"rtsp:",
"svn:",
"git:",
"tel:",
"fax:",
"xmpp:",
"magnet:",
];
/**
* Determine what kind of link we are dealing with and sanitise any malicious input
* @param href Input URL
* @returns Link Type
*/
export function determineLink(href?: string): LinkType {
let internal,
url: URL | null = null;