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66 lines
1.4 KiB
TypeScript
66 lines
1.4 KiB
TypeScript
export const getHost = (url: string) => {
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try {
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return new URL(url).host;
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} catch(err) {
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return err;
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}
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};
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export const isHttpUrl = (url: string) => {
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try {
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return ['http:', 'https:'].includes(new URL(url).protocol);
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} catch (err) {
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return false;
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}
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};
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export const isWssUrl = (url: string) => {
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try {
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return 'wss:' === new URL(url).protocol;
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} catch (err) {
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return false;
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}
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};
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export const getNoxyUrl = (
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type: 'data' | 'meta',
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url: string,
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id: string,
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relay: string,
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) => {
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if (!isHttpUrl(url)) {
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return false;
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}
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const link = new URL(`https://noxy.nostr.ch/${type}`);
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link.searchParams.set('id', id);
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link.searchParams.set('relay', relay);
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link.searchParams.set('url', url);
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return link;
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};
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export const isValidURL = (url: URL) => {
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if (!['http:', 'https:'].includes(url.protocol)) {
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return false;
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}
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if (!['', '443', '80'].includes(url.port)) {
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return false;
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}
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if (url.hostname === 'localhost') {
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return false;
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}
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const lastDot = url.hostname.lastIndexOf('.');
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if (lastDot < 1) {
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return false;
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}
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if (url.hostname.slice(lastDot) === '.local') {
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return false;
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}
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if (url.hostname.slice(lastDot + 1).match(/^[\d]+$/)) { // there should be no tld with numbers, possible ipv4
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return false;
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}
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if (url.hostname.includes(':')) { // possibly an ipv6 addr; certainly an invalid hostname
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return false;
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}
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return true;
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};
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