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* Create xml.ts * Update well-known.ts * Update well-known.ts * Fix typo * Update well-known.ts * Update well-known.ts
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2 changed files with 89 additions and 22 deletions
41
src/prelude/xml.ts
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41
src/prelude/xml.ts
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@ -0,0 +1,41 @@
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const map: Record<string, string> = {
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'&': '&',
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'<': '<',
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'>': '>',
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'"': '"',
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'\'': '''
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};
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const beginingOfCDATA = '<![CDATA[';
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const endOfCDATA = ']]>';
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export function escapeValue(x: string): string {
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let insideOfCDATA = false;
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let builder = '';
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for (
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let i = 0;
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i < x.length;
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) {
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if (insideOfCDATA) {
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if (x.slice(i, i + beginingOfCDATA.length) === beginingOfCDATA) {
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insideOfCDATA = true;
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i += beginingOfCDATA.length;
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} else {
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builder += x[i++];
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}
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} else {
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if (x.slice(i, i + endOfCDATA.length) === endOfCDATA) {
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insideOfCDATA = false;
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i += endOfCDATA.length;
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} else {
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const b = x[i++];
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builder += map[b] || b;
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}
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}
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}
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return builder;
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}
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export function escapeAttribute(x: string): string {
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return Object.entries(map).reduce((a, [k, v]) => a.replace(k, v), x);
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}
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@ -6,27 +6,37 @@ import parseAcct from '../misc/acct/parse';
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import User from '../models/user';
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import User from '../models/user';
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import Acct from '../misc/acct/type';
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import Acct from '../misc/acct/type';
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import { links } from './nodeinfo';
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import { links } from './nodeinfo';
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import { escapeAttribute, escapeValue } from '../prelude/xml';
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// Init router
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// Init router
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const router = new Router();
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const router = new Router();
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const XRD = (...x: { element: string, value?: string, attributes?: Record<string, string> }[]) =>
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`<?xml version="1.0" encoding="UTF-8"?><XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0">${x.map(({ element, value, attributes }) =>
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`<${
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Object.entries(typeof attributes === 'object' && attributes || {}).reduce((a, [k, v]) => `${a} ${k}="${escapeAttribute(v)}"`, element)
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}${
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typeof value === 'string' ? `>${escapeValue(value)}</${element}` : '/'
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}>`).reduce((a, c) => a + c, '')}</XRD>`;
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const webFingerPath = '/.well-known/webfinger';
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const webFingerPath = '/.well-known/webfinger';
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const jrd = 'application/jrd+json';
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const xrd = 'application/xrd+xml';
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router.get('/.well-known/host-meta', async ctx => {
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router.get('/.well-known/host-meta', async ctx => {
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ctx.set('Content-Type', 'application/xrd+xml');
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ctx.set('Content-Type', xrd);
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ctx.body = `<?xml version="1.0" encoding="UTF-8"?>
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ctx.body = XRD({ element: 'Link', attributes: {
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<XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0">
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type: xrd,
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<Link rel="lrdd" type="application/xrd+xml" template="${config.url}${webFingerPath}?resource={uri}"/>
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template: `${config.url}${webFingerPath}?resource={uri}`
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</XRD>
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}});
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`;
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});
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});
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router.get('/.well-known/host-meta.json', async ctx => {
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router.get('/.well-known/host-meta.json', async ctx => {
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ctx.set('Content-Type', 'application/jrd+json');
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ctx.set('Content-Type', jrd);
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ctx.body = {
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ctx.body = {
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links: [{
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links: [{
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rel: 'lrdd',
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rel: 'lrdd',
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type: 'application/xrd+xml',
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type: jrd,
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template: `${config.url}${webFingerPath}?resource={uri}`
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template: `${config.url}${webFingerPath}?resource={uri}`
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}]
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}]
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};
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};
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@ -75,22 +85,38 @@ router.get(webFingerPath, async ctx => {
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return;
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return;
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}
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}
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ctx.body = {
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const subject = `acct:${user.username}@${config.host}`;
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subject: `acct:${user.username}@${config.host}`,
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const self = {
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links: [{
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rel: 'self',
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rel: 'self',
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type: 'application/activity+json',
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type: 'application/activity+json',
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href: `${config.url}/users/${user._id}`
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href: `${config.url}/users/${user._id}`
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};
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}, {
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const profilePage = {
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rel: 'http://webfinger.net/rel/profile-page',
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rel: 'http://webfinger.net/rel/profile-page',
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type: 'text/html',
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type: 'text/html',
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href: `${config.url}/@${user.username}`
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href: `${config.url}/@${user.username}`
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}, {
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};
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rel: 'http://ostatus.org/schema/1.0/subscribe',
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const subscribe = {
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template: `${config.url}/authorize-follow?acct={uri}`
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rel: 'http://ostatus.org/schema/1.0/subscribe',
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}]
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template: `${config.url}/authorize-follow?acct={uri}`
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};
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};
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if (ctx.accepts(jrd, xrd) === xrd) {
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ctx.body = XRD(
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{ element: 'Subject', value: subject },
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{ element: 'Link', attributes: self },
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{ element: 'Link', attributes: profilePage },
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{ element: 'Link', attributes: subscribe });
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ctx.type = xrd;
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} else {
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ctx.body = {
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subject,
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links: [self, profilePage, subscribe]
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};
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ctx.type = jrd;
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}
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ctx.vary('Accept');
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ctx.set('Cache-Control', 'public, max-age=180');
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ctx.set('Cache-Control', 'public, max-age=180');
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});
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});
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