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https://git.sr.ht/~cadence/cloudtube
synced 2024-11-12 19:37:29 +00:00
Rewrite youtube.com links to the same instance and implement timestamp links in videos description
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parent
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commit
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21
api/video.js
21
api/video.js
@ -5,6 +5,7 @@ const db = require("../utils/db")
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const {getToken, getUser} = require("../utils/getuser")
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const pug = require("pug")
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const converters = require("../utils/converters")
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const constants = require("../utils/constants")
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class InstanceError extends Error {
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constructor(error, identifier) {
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@ -36,6 +37,25 @@ function formatOrder(format) {
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return -total
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}
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function rewriteVideoDescription(descriptionHtml, id) {
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// replace timestamps to clickable links and rewrite youtube links to stay on the instance instead of pointing to YouTube
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// test cases
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// https://www.youtube.com/watch?v=VdPsJW6AHqc 00:00 timestamps, youtu.be/<videoid>
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// https://www.youtube.com/watch?v=FDMq9ie0ih0 00:00 & 00:00:00 timestamps
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// https://www.youtube.com/watch?v=fhum63fAwrI www.youtube.com/watch?v=<videoid>
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// https://www.youtube.com/watch?v=i-szWOrc3Mo www.youtube.com/<channelname> (unsupported by cloudtube currently)
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// https://www.youtube.com/watch?v=LSG71wbKpbQ www.youtube.com/channel/<id>
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descriptionHtml = descriptionHtml.replace(new RegExp(`<a href="https?:\/\/(www\.)?youtu\.be\/(${constants.regex.video_id})([^"]*)">([^<]+)<\/a>`, "g"), `<a href="/watch?v=$2$3">$4</a>`)
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descriptionHtml = descriptionHtml.replace(new RegExp(`<a href="https?:\/\/(www\.)?youtu(\.be|be\.com)\/([^"]*)">([^<]+)<\/a>`, "g"), `<a href="/$3">$4</a>`)
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descriptionHtml = descriptionHtml.replace(new RegExp(`(?:([0-5]?[0-9]):)?([0-5]?[0-9]):([0-5][0-9])`, "g"), function(match, p1, p2, p3, offset, string){
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if (p1 === undefined) {
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return `<a href=\"/watch?v=${id}&t=${p2}m${p3}s\">${p2}:${p3}</a>`
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}
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return `<a href=\"/watch?v=${id}&t=${p1}h${p2}m${p3}s\">${p1}:${p2}:${p3}</a>`
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})
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return descriptionHtml
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}
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async function renderVideo(videoPromise, {user, id, instanceOrigin}, locals = {}) {
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try {
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// resolve video
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@ -65,6 +85,7 @@ async function renderVideo(videoPromise, {user, id, instanceOrigin}, locals = {}
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if (!video.second__viewCountText && video.viewCount) {
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video.second__viewCountText = converters.viewCountToText(video.viewCount)
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}
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video.descriptionHtml = rewriteVideoDescription(video.descriptionHtml, id)
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return render(200, "pug/video.pug", Object.assign(locals, {video, subscribed, instanceOrigin}))
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} catch (e) {
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// show an appropriate error message
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