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api/vk: use proper api, add support for more links, refactor
also added support for video access keys
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,62 +1,144 @@ | ||
| import { genericUserAgent, env } from "../../config.js"; | ||
| import { env } from "../../config.js"; | ||
|
|
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| const resolutions = ["2160", "1440", "1080", "720", "480", "360", "240"]; | ||
| const resolutions = ["2160", "1440", "1080", "720", "480", "360", "240", "144"]; | ||
|
|
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| export default async function(o) { | ||
| let html, url, quality = o.quality === "max" ? 2160 : o.quality; | ||
| const oauthUrl = "https://oauth.vk.com/oauth/get_anonym_token"; | ||
| const apiUrl = "https://api.vk.com/method"; | ||
|
|
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| html = await fetch(`https://vk.com/video${o.userId}_${o.videoId}`, { | ||
| const clientId = "51552953"; | ||
| const clientSecret = "qgr0yWwXCrsxA1jnRtRX"; | ||
|
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| // used in stream/shared.js for accessing media files | ||
| export const vkClientAgent = "com.vk.vkvideo.prod/822 (iPhone, iOS 16.7.7, iPhone10,4, Scale/2.0) SAK/1.119"; | ||
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| const cachedToken = { | ||
| token: "", | ||
| expiry: 0, | ||
| device_id: "", | ||
| }; | ||
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| const getToken = async () => { | ||
| if (cachedToken.expiry - 10 > Math.floor(new Date().getTime() / 1000)) { | ||
| return cachedToken.token; | ||
| } | ||
|
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| const randomDeviceId = crypto.randomUUID().toUpperCase(); | ||
|
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| const anonymOauth = new URL(oauthUrl); | ||
| anonymOauth.searchParams.set("client_id", clientId); | ||
| anonymOauth.searchParams.set("client_secret", clientSecret); | ||
| anonymOauth.searchParams.set("device_id", randomDeviceId); | ||
|
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| const oauthResponse = await fetch(anonymOauth.toString(), { | ||
| headers: { | ||
| "user-agent": genericUserAgent | ||
| "user-agent": vkClientAgent, | ||
| } | ||
| }).then(r => { | ||
| if (r.status === 200) { | ||
| return r.json(); | ||
| } | ||
| }); | ||
|
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| if (!oauthResponse) return; | ||
|
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| if (oauthResponse?.token && oauthResponse?.expired_at && typeof oauthResponse?.expired_at === "number") { | ||
| cachedToken.token = oauthResponse.token; | ||
| cachedToken.expiry = oauthResponse.expired_at; | ||
| cachedToken.device_id = randomDeviceId; | ||
| } | ||
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| if (!cachedToken.token) return; | ||
|
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| return cachedToken.token; | ||
| } | ||
|
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| const getVideo = async (ownerId, videoId, accessKey) => { | ||
| const video = await fetch(`${apiUrl}/video.get`, { | ||
| method: "POST", | ||
| headers: { | ||
| "content-type": "application/x-www-form-urlencoded; charset=utf-8", | ||
| "user-agent": vkClientAgent, | ||
| }, | ||
| body: new URLSearchParams({ | ||
| anonymous_token: cachedToken.token, | ||
| device_id: cachedToken.device_id, | ||
| lang: "en", | ||
| v: "5.244", | ||
| videos: `${ownerId}_${videoId}${accessKey ? `_${accessKey}` : ''}` | ||
| }).toString() | ||
| }) | ||
| .then(r => r.arrayBuffer()) | ||
| .catch(() => {}); | ||
| .then(r => { | ||
| if (r.status === 200) { | ||
| return r.json(); | ||
| } | ||
| }); | ||
|
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| if (!html) return { error: "fetch.fail" }; | ||
| return video; | ||
| } | ||
|
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| // decode cyrillic from windows-1251 because vk still uses apis from prehistoric times | ||
| let decoder = new TextDecoder('windows-1251'); | ||
| html = decoder.decode(html); | ||
| export default async function ({ ownerId, videoId, accessKey, quality }) { | ||
| const token = await getToken(); | ||
| if (!token) return { error: "fetch.fail" }; | ||
|
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| const videoGet = await getVideo(ownerId, videoId, accessKey); | ||
|
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| if (!videoGet || !videoGet.response || videoGet.response.items.length !== 1) { | ||
| return { error: "fetch.empty" }; | ||
| } | ||
|
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| if (!html.includes(`{"lang":`)) return { error: "fetch.empty" }; | ||
| const video = videoGet.response.items[0]; | ||
|
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| let js = JSON.parse('{"lang":' + html.split(`{"lang":`)[1].split(']);')[0]); | ||
| if (video.restriction) { | ||
| const title = video.restriction.title; | ||
| if (title.endsWith("country") || title.endsWith("region.")) { | ||
| return { error: "content.video.region" }; | ||
| } | ||
| if (title === "Processing video") { | ||
| return { error: "fetch.empty" }; | ||
| } | ||
| return { error: "content.video.unavailable" }; | ||
| } | ||
|
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||
| if (Number(js.mvData.is_active_live) !== 0) { | ||
| return { error: "content.video.live" }; | ||
| if (!video.files || !video.duration) { | ||
| return { error: "fetch.fail" }; | ||
| } | ||
|
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| if (js.mvData.duration > env.durationLimit) { | ||
| if (video.duration > env.durationLimit) { | ||
| return { error: "content.too_long" }; | ||
| } | ||
|
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| const userQuality = quality === "max" ? 2160 : quality; | ||
| let pickedQuality; | ||
|
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| for (let i in resolutions) { | ||
| if (js.player.params[0][`url${resolutions[i]}`]) { | ||
| quality = resolutions[i]; | ||
| if (video.files[`mp4_${resolutions[i]}`]) { | ||
| pickedQuality = resolutions[i]; | ||
| break | ||
| } | ||
| } | ||
| if (Number(quality) > Number(o.quality)) quality = o.quality; | ||
|
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| url = js.player.params[0][`url${quality}`]; | ||
| if (Number(pickedQuality) > Number(userQuality)) { | ||
| pickedQuality = userQuality; | ||
| } | ||
|
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| const url = video.files[`mp4_${pickedQuality}`]; | ||
|
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| if (!url) return { error: "fetch.fail" }; | ||
|
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| let fileMetadata = { | ||
| title: js.player.params[0].md_title.trim(), | ||
| author: js.player.params[0].md_author.trim(), | ||
| const fileMetadata = { | ||
| title: video.title.trim(), | ||
| } | ||
|
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| if (url) return { | ||
| return { | ||
| urls: url, | ||
| fileMetadata, | ||
| filenameAttributes: { | ||
| service: "vk", | ||
| id: `${o.userId}_${o.videoId}`, | ||
| id: `${ownerId}_${videoId}${accessKey ? `_${accessKey}` : ''}`, | ||
| title: fileMetadata.title, | ||
| author: fileMetadata.author, | ||
| resolution: `${quality}p`, | ||
| qualityLabel: `${quality}p`, | ||
| resolution: `${pickedQuality}p`, | ||
| qualityLabel: `${pickedQuality}p`, | ||
| extension: "mp4" | ||
| } | ||
| } | ||
| return { error: "fetch.empty" } | ||
| } |
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