youtube-dl

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youtube-dl is a usefull packet to download youtube video through command line. GitHub.

List what to download

First step is to list what youtube video you wanna download and convert to mp3 file:

2 files to put on a web server which are:

  1. liste.txt which must be chmod 777 (index.php will write links in this file)
  2. index.php
<!DOCTYPE html>
<html>
<head>
<title>youtube-dl</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body {
width: 550px;
font-size: 75%;
}
p {
font-family: "Lucida Console", "Courier New", monospace;
white-space: nowrap
}
li {
font-family: "Lucida Console", "Courier New", monospace;
white-space: nowrap
}
hr {
border: 0;
border-bottom: 1px dashed #CCCCCC;
background: #FFFFFF;
}
input[type=text], select {
width: 80%;
padding: 12px 20px;
margin: 8px 0;
display: inline-block;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
}

input[type=submit] {
width: 80%;
background-color: #4CAF50;
color: white;
padding: 14px 20px;
margin: 8px 0;
border: none;
border-radius: 4px;
cursor: pointer;
}

input[type=submit]:hover {
background-color: #45a049;
}

div {
border-radius: 5px;
background-color: #f2f2f2;
padding: 20px;
overflow:auto;
width: 500px;
}
</style>
</head>
<body>
<span style="white-space: nowrap">
<div>
<p>
<?php
if(isset($_POST['field1']))
{
$data = $_POST['field1'] . "\r\n";
$ret = file_put_contents('liste.txt', $data, FILE_APPEND | LOCK_EX);
if($ret === false) {
echo "There was an error writing this file.";
}
else {
echo "$ret bytes written to file.";
}
}
else {
echo "No post data to process.";
}
?>
</p>
</div>
<hr>

<div>

<p>Format to be respected:</p>
<ol>
<li>« https://www.youtube.com/watch?v=1YRW1QRKTBc »</li>
<li>« https://youtu.be/9cBtJYI6itg »</li>
<li>« https://soundcloud.com/hungry-music/nto-alter-ego »</li>
</ol>

<form action="index.php" method="POST">
<input type="text" id="fname" name="field1" placeholder="https://www.youtube.com/watch?v=1YRW1QRKTBc"><br />
<input type="submit" value="Submit">
</form>
</div>

<hr>

<div>
<p>Next link(s) to be downloaded and saved to mp3 files:</p>
<p>
<?php
echo nl2br(file_get_contents( "liste.txt" ));
?>
</p>
</div>

<hr>

<div>
<p>
Logs (last 200 lines): <br />
<?php
//echo nl2br(file_get_contents( "/path/to/history.txt" ));
echo nl2br(trim(implode("", array_slice(file("/path/to/history.txt"), -200))));
?>
</p>
</div>
</body>
</html>

Sources 1, 2

Secure input form

https://docs.nginx.com/nginx/admin-guide/security-controls/configuring-http-basic-authentication/
http://www.htaccesstools.com/htpasswd-generator/

location ^~ /youtube-dl {
     auth_basic           "Иди на хуй мозгоёб!!!";
     auth_basic_user_file /path/to/.htpasswd;
     location ~ \.php$ {
         include snippets/fastcgi-php.conf;
         fastcgi_pass unix:/run/php/php7.0-fpm.sock;
         }
 }

Restart nginx:

$ sudo service nginx restart

Download script

He depends on:

  • /path/to/liste_en_cours.txt
  • /path/to/history.txt
#!/usr/bin/bash
filename="$1"
liste_en_cours=/path/to/Downloads/youtube_auto/liste_en_cours.txt

cp -f $1 $liste_en_cours
sleep 1
echo -n > $1

echo "  " >> /path/to/Downloads/youtube_auto/history.txt
date >> /path/to/Downloads/youtube_auto/history.txt

while read -r line
do
    name="$(echo $line | sed 's/\r//g')"
    echo -n "$name | " >> /path/to/Downloads/youtube_auto/history.txt
    page="$(wget -O - $name)"
    echo $page | sed -n 's/.*<title>\(.*\)<\/title>.*/\1/ip;T;q' >> /path/to/Downloads/youtube_auto/history.txt

    /usr/local/bin/youtube-dl -f bestaudio $name --extract-audio --audio-format mp3 -o "/path/to/Downloads/youtube_auto/downloads/%(title)s.%(ext)s" | grep ffmpeg | grep mp3 | sed 's/.*\//===> /' | sed 's/mp3.*/mp3/' >> /path/to/Downloads/youtube_auto/history.txt

done < "$liste_en_cours"

mv -f /path/to/Downloads/youtube_auto/downloads/* /path/to/Music/youtube

#All big files goes to folder Mixes
for file in /path/to/Music/youtube/*; do
    SIZE="$(stat --printf="%s" "$file")"
    if (( $SIZE > 25000000 )); then
        mv -f "$file" /path/to/Music/Mixes
    fi
done

Source homemade. Now execute it with cron job by example.

 

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