<?php

#usage: sbs_cmd.php search_text=<id>

# Version 1.00 - inital working release as a command line variant
# Version 1.01 - modified to work with more SBS shows by better matching the "html:link" URL
# Version 1.03 - strip out any offending characters from title & write to tmp files
# Version 1.04 - change output filename string (written to file) to ".mp4" instead of ".ts"
# Version 1.05 - add ouput of URL to download subtitles
# Version 1.06 - fix for downloads that didn't include any video stream

function curl_get($url, array $get = NULL, array $options = array())
/**
* Send a GET requst using cURL
* @param string $url to request
* @param array $get values to send
* @param array $options for cURL
* @return string
*/
{
    $defaults = array(
        CURLOPT_URL => $url. (strpos($url, '?') === FALSE ? '?' : ''),
        CURLOPT_HEADER => 0,
        CURLOPT_RETURNTRANSFER => TRUE,
# Might need to uncomment below two lines on some Windows PHP installs
# Not good for security, but if it works, "Meh" it's only SBS downloads
#CURLOPT_SSL_VERIFYHOST => 0,
#CURLOPT_SSL_VERIFYPEER => 0,
        CURLOPT_TIMEOUT => 4
    );

    $ch = curl_init();
    curl_setopt_array($ch, ($options + $defaults));
    if( ! $result = curl_exec($ch))
      { trigger_error(curl_error($ch)); }
    curl_close($ch);
    return $result;
}

parse_str(implode('&', array_slice($argv, 1)), $_POST);
$st = isset($_POST['search_text']) ? $_POST['search_text'] : false;
$init_url = "www.sbs.com.au/ondemand/video/single/" . $st . "?context=web";
$data = curl_get($init_url);
preg_match("/\"html\"\:\".{4}link\.theplatform\.com.*?m3u/", $data, $matches);
$first_url = str_replace("\/", "/", $matches[0]);
$first_url = str_replace('"html":"//', "", $first_url);
$second_data = curl_get($first_url);
#echo "\n\n"; echo $second_data; echo "\n\n";
preg_match("/http:\/\/videocdn\.sbs\.com\.au\/u\/video\/SBS\/managed\/closedcaptions.*?.SRT/", $second_data, $subs_url);
echo $subs_url[0]; echo "\n";
preg_match("/https?:\/\/(sbsvodns|sbsvodco-vh).*?=off/", $second_data, $second_url);
preg_match('/title="([^"]+)"/', $second_data, $title);
$third_data = curl_get($second_url[0]);
preg_match("/http.*?index_3_av.*\n/", $third_data, $third_url);
echo "\n"; echo $third_url[0]; echo "\n";
$ffmpeg_1280 = str_replace("index_3", "index_0", $third_url[0]);
$fftitle = str_replace("title=","", $title[0]);
$bad_chars = array("\\", "/", ":", "*", "?", "\"", "<", ">", "|", "'");
$fftitle = str_replace($bad_chars, "", $fftitle);

echo $title[0]; echo "\n";
echo "The command string to download via ffmpeg is: \n\n";
echo 'ffmpeg -i "'; echo $ffmpeg_1280; echo '" -c copy "'; echo $fftitle; echo '.ts"';
echo "\n\n";

$fd_u = fopen("sbsurl.tmp","w"); fwrite($fd_u,"\"$ffmpeg_1280\""); fclose($fd_u);
$fd_v = fopen("sbsvideo.tmp","w"); fwrite($fd_v,"\"$fftitle.mp4\""); fclose($fd_v);
$fd_su = fopen("sbsurlsubs.tmp","w"); fwrite($fd_su,"\"$subs_url[0]\""); fclose($fd_su);
$fd_sv = fopen("sbsvideosubs.tmp","w"); fwrite($fd_sv,"\"$fftitle.srt\""); fclose($fd_sv);
?>