mirror of
https://github.com/Tzahi12345/YoutubeDL-Material.git
synced 2026-03-07 20:10:03 +03:00
Added support for modifying downloaded files
This commit is contained in:
Isaac Grynsztein
302
backend/app.js
302
backend/app.js
@@ -48,6 +48,125 @@ app.get('/using-encryption', function(req, res) {
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res.end("yes");
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});
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// objects
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function File(id, title, thumbnailURL, isAudio, duration) {
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this.id = id;
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this.title = title;
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this.thumbnailURL = thumbnailURL;
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this.isAudio = isAudio;
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this.duration = duration;
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}
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// actual functions
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function getThumbnailMp3(name)
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{
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var obj = getJSONMp3(name);
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var thumbnailLink = obj.thumbnail;
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return thumbnailLink;
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}
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function getThumbnailMp4(name)
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{
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var obj = getJSONMp4(name);
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var thumbnailLink = obj.thumbnail;
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return thumbnailLink;
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}
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function getFileSizeMp3(name)
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{
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var jsonPath = audioPath+name+".mp3.info.json";
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if (fs.existsSync(jsonPath))
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var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
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else
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var obj = 0;
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return obj.filesize;
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}
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function getFileSizeMp4(name)
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{
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var jsonPath = videoPath+name+".info.json";
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var filesize = 0;
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if (fs.existsSync(jsonPath))
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{
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var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
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var format = obj.format.substring(0,3);
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for (i = 0; i < obj.formats.length; i++)
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{
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if (obj.formats[i].format_id == format)
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{
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filesize = obj.formats[i].filesize;
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}
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}
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}
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return filesize;
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}
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function getJSONMp3(name)
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{
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var jsonPath = audioPath+name+".mp3.info.json";
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if (fs.existsSync(jsonPath))
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var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
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else
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var obj = 0;
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return obj;
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}
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function getJSONMp4(name)
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{
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var jsonPath = videoPath+name+".info.json";
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if (fs.existsSync(jsonPath))
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{
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var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
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return obj;
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}
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else return 0;
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}
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function getAmountDownloadedMp3(name)
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{
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var partPath = audioPath+name+".mp3.part";
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if (fs.existsSync(partPath))
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{
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const stats = fs.statSync(partPath);
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const fileSizeInBytes = stats.size;
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return fileSizeInBytes;
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}
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else
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return 0;
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}
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function getAmountDownloadedMp4(name)
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{
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var format = getVideoFormatID(name);
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var partPath = videoPath+name+".f"+format+".mp4.part";
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if (fs.existsSync(partPath))
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{
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const stats = fs.statSync(partPath);
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const fileSizeInBytes = stats.size;
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return fileSizeInBytes;
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}
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else
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return 0;
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}
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function getVideoFormatID(name)
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{
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var jsonPath = videoPath+name+".info.json";
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if (fs.existsSync(jsonPath))
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{
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var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
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var format = obj.format.substring(0,3);
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return format;
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}
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}
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app.post('/tomp3', function(req, res) {
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var url = req.body.url;
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@@ -81,76 +200,6 @@ app.post('/tomp3', function(req, res) {
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res.end("yes");
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});
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function getFileSizeMp3(name)
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{
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var jsonPath = audioPath+name+".mp3.info.json";
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if (fs.existsSync(jsonPath))
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var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
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else
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var obj = 0;
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return obj.filesize;
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}
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function getAmountDownloadedMp3(name)
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{
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var partPath = audioPath+name+".mp3.part";
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if (fs.existsSync(partPath))
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{
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const stats = fs.statSync(partPath);
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const fileSizeInBytes = stats.size;
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return fileSizeInBytes;
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}
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else
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return 0;
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}
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function getFileSizeMp4(name)
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{
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var jsonPath = videoPath+name+".info.json";
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var filesize = 0;
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if (fs.existsSync(jsonPath))
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{
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var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
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var format = obj.format.substring(0,3);
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for (i = 0; i < obj.formats.length; i++)
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{
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if (obj.formats[i].format_id == format)
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{
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filesize = obj.formats[i].filesize;
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}
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}
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}
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return filesize;
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}
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function getAmountDownloadedMp4(name)
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{
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var format = getVideoFormatID(name);
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var partPath = videoPath+name+".f"+format+".mp4.part";
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if (fs.existsSync(partPath))
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{
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const stats = fs.statSync(partPath);
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const fileSizeInBytes = stats.size;
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return fileSizeInBytes;
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}
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else
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return 0;
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}
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function getVideoFormatID(name)
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{
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var jsonPath = videoPath+name+".info.json";
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if (fs.existsSync(jsonPath))
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{
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var obj = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
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var format = obj.format.substring(0,3);
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return format;
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}
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}
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app.post('/tomp4', function(req, res) {
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var url = req.body.url;
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var date = Date.now();
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@@ -168,7 +217,8 @@ app.post('/tomp4', function(req, res) {
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res.end("yes");
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});
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app.post('/mp3fileexists', function(req, res) {
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// gets the status of the mp3 file that's being downloaded
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app.post('/fileStatusMp3', function(req, res) {
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var name = req.body.name + "";
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var exists = "";
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var fullpath = audioPath + name + ".mp3";
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@@ -189,7 +239,8 @@ app.post('/mp3fileexists', function(req, res) {
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res.end("yes");
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});
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app.post('/mp4fileexists', function(req, res) {
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// gets the status of the mp4 file that's being downloaded
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app.post('/fileStatusMp4', function(req, res) {
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var name = req.body.name;
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var exists = "";
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var fullpath = videoPath + name + ".mp4";
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@@ -210,6 +261,113 @@ app.post('/mp4fileexists', function(req, res) {
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res.end("yes");
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});
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// gets all download mp3s
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app.post('/getMp3s', function(req, res) {
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var mp3s = [];
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var fullpath = audioPath;
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var files = fs.readdirSync(audioPath);
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for (var i in files)
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{
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var nameLength = path.basename(files[i]).length;
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var ext = path.basename(files[i]).substring(nameLength-4, nameLength);
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if (ext == ".mp3")
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{
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var jsonobj = getJSONMp3(path.basename(files[i]).substring(0, path.basename(files[i]).length-4));
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var id = path.basename(files[i]).substring(0, path.basename(files[i]).length-4);
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var title = jsonobj.title;
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if (title.length > 14) // edits title if it's too long
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{
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title = title.substring(0,12) + "...";
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}
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var thumbnail = jsonobj.thumbnail;
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var duration = jsonobj.duration;
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var isaudio = true;
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var file = new File(id, title, thumbnail, isaudio, duration);
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mp3s.push(file);
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}
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}
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res.send(mp3s);
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res.end("yes");
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});
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// gets all download mp4s
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app.post('/getMp4s', function(req, res) {
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var mp4s = [];
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var fullpath = videoPath;
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var files = fs.readdirSync(videoPath);
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for (var i in files)
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{
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var nameLength = path.basename(files[i]).length;
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var ext = path.basename(files[i]).substring(nameLength-4, nameLength);
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if (ext == ".mp4")
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{
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var jsonobj = getJSONMp4(path.basename(files[i]).substring(0, path.basename(files[i]).length-4));
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var id = path.basename(files[i]).substring(0, path.basename(files[i]).length-4);
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var title = jsonobj.title;
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if (title.length > 14) // edits title if it's too long
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{
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title = title.substring(0,12) + "...";
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}
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var thumbnail = jsonobj.thumbnail;
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var duration = jsonobj.duration;
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var isaudio = false;
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var file = new File(id, title, thumbnail, isaudio, duration);
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mp4s.push(file);
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}
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}
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res.send(mp4s);
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res.end("yes");
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});
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// deletes mp3 file
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app.post('/deleteMp3', function(req, res) {
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var name = req.body.name;
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var fullpath = audioPath + name + ".mp3";
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var wasDeleted = false;
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if (fs.existsSync(fullpath))
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{
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fs.unlink(fullpath);
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wasDeleted = true;
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res.send(wasDeleted);
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res.end("yes");
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}
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else
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{
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wasDeleted = false;
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res.send(wasDeleted);
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res.end("yes");
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}
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});
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// deletes mp4 file
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app.post('/deleteMp4', function(req, res) {
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var name = req.body.name;
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var fullpath = videoPath + name + ".mp4";
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var wasDeleted = false;
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if (fs.existsSync(fullpath))
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{
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fs.unlink(fullpath);
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wasDeleted = true;
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res.send(wasDeleted);
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res.end("yes");
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}
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else
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{
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wasDeleted = false;
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res.send(wasDeleted);
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res.end("yes");
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}
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});
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app.get('/video/:id', function(req , res){
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var head;
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const path = "video/" + req.params.id + ".mp4";
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