92 lines
3.4 KiB
JavaScript
92 lines
3.4 KiB
JavaScript
const qs = require('qs');
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const axios = require('axios');
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const FormData = require('form-data');
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const emojis = { public: '🌐', unlisted: '📝', private: '🔒️', direct: '✉️' };
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exports.visibilityEmoji = v => emojis[v] || v;
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const getFilename = header => {
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if(typeof header !== 'string') return null;
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try {
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const m = header.match(/inline; filename(?:=(.+)|\*=utf-8''(.+))/);
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return !m ? null : m[2] && decodeURIComponent(m[2]) || m[1];
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} catch(e) {
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return null;
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}
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};
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const mediaDownload = async (url, { whitelist, blacklist }) => {
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const media = await axios({ method: 'GET', url, responseType: 'arraybuffer' });
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if (media.statusText !== 'OK' || blacklist.includes(media.headers['content-type'])) throw media;
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if(whitelist.length && !whitelist.includes(media.headers['content-type'])) throw media;
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return {
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data: media.data,
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filename: getFilename(media.headers['content-disposition']),
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mimetype: media.headers['content-type']
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};
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};
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const mediaUpload = async ({ domain, token }, { data, filename, mimetype }) => {
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const form = new FormData();
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form.append('file', data, {
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filename: filename || 'upload',
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contentType: mimetype,
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});
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const upload = await axios({
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method: 'POST',
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url: `${domain}/api/v1/media`,
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headers: form.getHeaders({ Authorization: `Bearer ${token}` }),
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data: form,
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});
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if(upload.statusText !== 'OK') throw upload;
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return upload.data.id;
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};
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const run = async (matrixClient, { roomId }, content, replyId, mediaURL, subject, registrar) => {
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let mediaId = null;
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const fediverse = registrar.config.fediverse;
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if(mediaURL) {
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const media = await mediaDownload(mediaURL, registrar.config.fediverse.mimetypes);
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mediaId = await mediaUpload(fediverse, media);
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}
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const response = await axios({
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method: 'POST',
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url: `${fediverse.domain}/api/v1/statuses`,
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headers: { Authorization: `Bearer ${fediverse.token}`, 'Content-Type': 'application/x-www-form-urlencoded' },
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data : qs.stringify({
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status: content,
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content_type: `text/markdown`,
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media_ids: mediaURL && [ mediaId ] || undefined,
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in_reply_to_id: replyId || undefined,
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spoiler_text: subject || undefined
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}, { arrayFormat: 'brackets' })
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});
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return matrixClient.sendHtmlNotice(roomId, '', `<a href="${response.data.url}">${response.data.id}</a>`);
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}
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exports.runQuery = async (client, room, userInput, registrar, { isReply, hasMedia, hasSubject }) => {
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try {
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const chunks = userInput.trim().split(' ');
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if(!chunks.length || chunks.length < !!isReply + !!hasMedia) throw '';
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let replyId = null;
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let mediaURL = null;
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const subject = hasSubject ? registrar.config.matrix.subject : null;
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if(isReply) {
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replyId = chunks[0];
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chunks.shift();
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}
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if(hasMedia) {
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let url = new URL(chunks[0]);
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chunks.shift();
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if(url.protocol === 'mxc:' && url.hostname && url.pathname)
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url = new URL(`${registrar.config.matrix.domain}/_matrix/media/r0/download/${url.hostname}${url.pathname}`);
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if(url.protocol !== 'https:') throw '';
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if(!registrar.config.matrix.domains.includes(url.hostname)) throw '';
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if(!/^\/_matrix\/media\/r0\/download\/[^/]+\/[^/]+\/?$/.test(url.pathname)) throw '';
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mediaURL = url.toString();
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}
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return await run(client, room, chunks.join(' '), replyId, mediaURL, subject, registrar);
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} catch(e) {
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return client.sendHtmlNotice(room.roomId, 'Sad!', `<strong>Sad!</strong>`).catch(()=>{});
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}
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};
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