public VideoDownloader(UrlFileCache bank, OpenuVideoData data, BackgroundWorker changesReporter)
{
this.cache = bank;
this.data = data;
durations = new ConcurrentBag <TimeSpan>();
this.changesReporter = changesReporter;
}
private static string GetVidUrl(OpenuVideoData data, CookieContainer cookieJar)
{
var specificVidParams = String.Format("action=getplaylist&context={0}&playlistid={1}&course={2}", data.ContextId, data.VideoId, data.CourseId);
var specificVidReq = (HttpWebRequest)WebRequest.Create("http://opal.openu.ac.il/mod/ouilvideocollection/actions.php");
specificVidReq.CookieContainer = cookieJar;
specificVidReq.Method = "POST";
specificVidReq.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
specificVidReq.UserAgent = "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0";
PutData(specificVidParams, specificVidReq);
var response = (HttpWebResponse)specificVidReq.GetResponse();
if (response.StatusCode != HttpStatusCode.OK)
{
return(null);
}
var videoData = ResponseAsJson(response);
JToken value;
if (videoData.TryGetValue("media", out value))
{
return(value["ar"].ToString());
}
return(null);
}
string requestPlaylist(OpenuVideoData data)
{
var playlistFile = cache.GetContent(data.formatPlaylistFile(), data.VideoId);
if (playlistFile != null)
{
return(playlistFile);
}
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(data.PlaylistUrl);
req.AllowAutoRedirect = true;
var response = (HttpWebResponse)req.GetResponse();
if (response.StatusCode != HttpStatusCode.OK)
{
return(null);
}
playlistFile = new StreamReader(response.GetResponseStream()).ReadToEnd();
cache.PutContent(data.formatPlaylistFile(), playlistFile, data.VideoId);
return(playlistFile);
}