153 lines
4.1 KiB
JavaScript
153 lines
4.1 KiB
JavaScript
var ejs = require('ejs');
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var fs = require('fs');
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var template = ejs.compile(fs.readFileSync('./lib/template.ejs', 'utf8'));
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var timeAgo = require('timeago.js');
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var request = require('request-promise-native')
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// get JSON for an AP URL
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async function apGet(url) {
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return request.get( {
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uri:url,
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headers: {
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"accept": "application/activity+json"
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},
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transform: function (body) {
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return JSON.parse(body);
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}
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})
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}
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// accumulate a stream of XML into a html file
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module.exports = async function (opts) {
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var opts = opts;
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var feedUrl = opts.feedUrl;
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var userUrl = opts.userUrl;
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var isIndex = false;
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if (!userUrl) {
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throw new Error('need user URL');
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}
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var user = await apGet(userUrl);
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if (userUrl && !feedUrl) {
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isIndex = true;
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var outbox = await apGet(user.outbox);
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feedUrl = outbox.first;
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}
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var feed = await apGet(feedUrl);
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var templateData = {
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opts: opts,// from the request
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meta: metaForUser(user),
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items: itemsForFeed(user,feed),
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nextPageLink: getNextPage(opts,user,feed),
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isIndex: isIndex
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};
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return template(templateData);
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}
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function metaForUser(user) {
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return {
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avatar: user.icon && user.icon.url?user.icon.url:null,
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headerImage:user.image && user.image.url?user.image.url:null,
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title: user.preferredUsername||null,
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description: user.summary||null
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}
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}
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// TODO make function
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function itemsForFeed(user,feed) {
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return feed.orderedItems.filter((item)=>{
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// this is temporary, don't handle boosts
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return item.type == "Create" && item.object && item.object.type=="Note";
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}).map((item)=>{
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//needs to be { type, url }
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var enclosures = (item.object.attachment||[]).filter((a)=>{
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return a.type == "Document";
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}).map((a)=>{
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return {
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type:a.mediaType,
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url:a.url
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}
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});
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return {
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isBoost:false,
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title:'New Status by '+user.preferredUsername,
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isReply:!!(item.object && item.object.inReplyTo),
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hasCw:false,
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cw:'',
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content: item.object&&item.object.content?item.object.content:'',//TODO sanitize then render without entity escapes
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atomHref:item.published?item.published.replace(/\W+/g,''):Math.random().toString().replace('.',''),
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enclosures:enclosures,
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stringDate:item.published?getTimeDisplay(Date.parse(item.published)):'',
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author:{
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uri:user.url,// link to author page
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avatar:user.icon&&user.icon.url?user.icon.url:'',
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displayName:user.name,
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fullName:user.preferredUsername+'@'+(new URL(user.url).hostname),
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}
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}
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})
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}
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// TODO
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function getNextPage(opts,user,feed){
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//based on feed.next
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// take feed.next, uriencode it, then take user url, then take options.mastofeedUrl
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var base = opts.mastofeedUrl.slice(0,opts.mastofeedUrl.indexOf('?'));
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var ret = '/apiv2/feed?userurl=' + encodeURIComponent(opts.userUrl) + '&feedurl=' +encodeURIComponent(feed.next);
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// add other params to the end
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(['theme','header','size','boosts','replies']).forEach((k)=>{
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if (typeof opts[k] != 'undefined'){
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ret+=`&${k}=${ opts[k].toString() }`;
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}
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})
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return ret;
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}
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// utilities below
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function getTimeDisplay(d) {
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var d = d;
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if (typeof d !== 'object') {
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d = new Date(d);
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}
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// convert to number
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dt = d.getTime();
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var now = Date.now();
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var delta = now - dt;
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// over 6 days ago
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if (delta > 1000 * 60 * 60 * 24 * 6) {
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return isoDateToEnglish(d.toISOString());
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} else {
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return timeAgo().format(dt);
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}
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}
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function isoDateToEnglish(d) {
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var dt = d.split(/[t\-]/ig);
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var months = ["January", "February", "March", "April", "May", "June",
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"July", "August", "September", "October", "November", "December"];
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return months[Number(dt[1]) - 1] + ' ' + dt[2] + ', ' + dt[0];
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}
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