canopy/src/utils/media/yanker.js

93 lines
3.3 KiB
JavaScript

/*Canopy - The next generation of stoner streaming software
Copyright (C) 2024-2025 Rainbownapkin and the TTN Community
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.*/
//NPM Imports
const validator = require('validator');//No express here, so regular validator it is!
//local import
const iaUtil = require('./internetArchiveUtils');
const ytdlpUtil = require('./ytdlpUtils');
module.exports.yankMedia = async function(url, title){
//Get pull type
const pullType = await this.getMediaType(url);
//Check pull type
switch(pullType.type){
case "ia":
//return media object list from IA module
return await iaUtil.fetchMetadata(pullType.id, title);
case "yt":
return await ytdlpUtil.fetchYoutubeVideoMetadata(pullType.id, title);
default:
//return null to signify a bad url
return null;
}
}
module.exports.refreshRawLink = async function(mediaObj){
switch(mediaObj.type){
case 'yt':
//Re-fetch media metadata
metadata = await ytdlpUtil.fetchYoutubeVideoMetadata(mediaObj.id);
//Refresh media rawlink from metadata
mediaObj.rawLink = metadata[0].rawLink;
//return media object
return mediaObj;
}
//Return null to tell the calling function there is no refresh required for this media type
return null;
}
//I'd be lying if this didn't take at least some inspiration/regex patterns from extractQueryParam() in cytube/forest's browser-side 'util.js'
//Still this has some improvements like url pre-checks and the fact that it's handled serverside, recuing possibility of bad requests.
//Some of the regex expressions for certain services have also been improved, such as youtube, and the fore.st-unique archive.org
module.exports.getMediaType = async function(url){
//Check if we have a valid url, encode it on the fly in case it's too humie-friendly
if(!validator.isURL(encodeURI(url))){
//If not toss the fucker out
return {
type: null,
id: null
}
}
//If we have link to a resource from archive.org
if(match = url.match(/archive\.org\/(?:details|download)\/([a-zA-Z0-9\/._-\s\%]+)/)){
//return internet archive code
return {
type: "ia",
id: match[1]
}
}
//If we have a match to a youtube video
if((match = url.match(/youtube\.com\/watch\?v=([a-zA-Z0-9_-]{11})/)) || (match = url.match(/youtu\.be\/([a-zA-Z0-9_-]{11})/))){
//return youtube video id
return {
type: "yt",
id: match[1]
}
}
//If we fell through all of our media types without a match
return{
type: null,
id: null
}
}