/* indexMP3
* indicizza le informazioni estratte dal file MP3
*/
public bool indexMP3(page p, mp3 MP3Info)
{
string outStr;
string sql;
bool ret;
outStr = "\n";
outStr += " + Indexing MP3 [ " + p.GenerateURL() + " ]\n";
outStr += " - Title : " + MP3Info.mp3Title + "\n";
outStr += " - Artist : " + MP3Info.mp3Artist + "\n";
outStr += " - Album : " + MP3Info.mp3Album + "\n";
outStr += " - Genre : " + MP3Info.mp3Genre + "\n";
outStr += " - Duration: " + MP3Info.mp3Length + " seconds\n";
outStr += "\n";
nsGlobalOutput.output.write(outStr);
sql = "INSERT INTO mp3 (host_id, filename, mp3_size, mp3_artist, mp3_title, mp3_album, mp3_genre, mp3_duration) " +
"VALUES(" + p._hostID + ", " +
"'" + myMySQLEscapeString(p._page) + "', " +
"'" + MP3Info.mp3Size + "', " +
"'" + myMySQLEscapeString(MP3Info.mp3Artist) + "', " +
"'" + myMySQLEscapeString(MP3Info.mp3Title) + "', " +
"'" + myMySQLEscapeString(MP3Info.mp3Album) + "', " +
"'" + myMySQLEscapeString(MP3Info.mp3Genre) + "', " +
MP3Info.mp3Length + ")";
GlobalVars.threadsVars.mutexMySQLPageList.WaitOne();
try
{
ret = GlobalVars.mysqlConn.connPageList.executeSQLQuery(sql);
}
catch (Exception e)
{
nsGlobalOutput.output.write("SQL Error: " + e.Message + "\n\nSQL: -===[\n" + sql.Substring(0, 1000) + "\n]===-\n\n");
ret = false;
}
finally
{
GlobalVars.threadsVars.mutexMySQLPageList.ReleaseMutex();
}
return(ret);
}
public string getURL(string URL, page p, bool followRedirects)
{
errorString = String.Empty;
contentType = String.Empty;
statusCode = 0;
HTML = String.Empty;
try
{
HttpWebRequest request = HttpWebRequest.Create(URL) as HttpWebRequest;
// imposta l'user-agent
request.UserAgent = GlobalVars.OpenWebSpider.USERAGENT;
// imposta il timeout (default: un minuto 60.000 ms)
request.Timeout = GlobalVars.args.reqTimeout * 1000;
// segue i redirect
if (followRedirects)
{
request.AllowAutoRedirect = true;
request.MaximumAutomaticRedirections = 5;
}
else
{
request.AllowAutoRedirect = false;
}
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
if (response.CharacterSet == null)
{
return(HTML);
}
// Support to Encodings
Encoding responseEncoding;
responseEncoding = Encoding.UTF8; //default UTF-8
if (response.CharacterSet.Trim() != "")
{
responseEncoding = Encoding.GetEncoding(response.CharacterSet);
}
StreamReader sr = new StreamReader(response.GetResponseStream(), responseEncoding);
BinaryReader binaryStream = new BinaryReader(response.GetResponseStream());
statusCode = (int)response.StatusCode;
contentType = response.Headers["Content-Type"];
// il content-type di questa pagina è testo?
if (contentType.StartsWith("text", StringComparison.CurrentCultureIgnoreCase))
{
HTML = sr.ReadToEnd();
}
else if (GlobalVars.args.indexMP3 && contentType.ToLower() == "audio/mpeg")
{
// se sappiamo chi è il padre e ha un hostID valido allora indicizza l'MP3
if (p != null)
{
if (p.isValidPage && p._hostID > 0)
{
string fullPath = binaryStream2MD5File(p, binaryStream, response.Headers["Content-Type"], response.Headers["Content-Length"]);
mp3 MP3 = new mp3(fullPath);
deleteFile(fullPath);
MP3.mp3Size = int.Parse(response.Headers["Content-Length"]);
db __db = new db();
__db.indexMP3(p, MP3);
}
}
}
else if (GlobalVars.args.indexPDF && contentType.ToLower() == "application/pdf")
{
// se sappiamo chi è il padre e ha un hostID valido allora indicizza il PDF
if (p != null)
{
if (p.isValidPage && p._hostID > 0)
{
string fullPath = binaryStream2MD5File(p, binaryStream, response.Headers["Content-Type"], response.Headers["Content-Length"]);
pdf PDF = new pdf(fullPath);
deleteFile(fullPath);
db __db = new db();
__db.indexPDF(p, int.Parse(response.Headers["Content-Length"]), PDF.pdfText);
}
}
}
else
{
HTML = string.Empty;
}
// forza l'encoding corrente a UTF-8
Encoding utf8 = Encoding.Unicode;
byte[] responseEncodingBytes = responseEncoding.GetBytes(HTML);
byte[] utf8Bytes = Encoding.Convert(responseEncoding,
utf8,
responseEncodingBytes);
HTML = utf8.GetString(utf8Bytes);
sr.Close();
}
catch (WebException e)
{
// TODO: in caso di 404 leggere ugualmente lo stream e ritornare l'HTML
HttpWebResponse response = (HttpWebResponse)e.Response;
if (response != null)
{
// in caso di eccezione: prova a recuperare da qui lo status code
statusCode = (int)response.StatusCode;
if (response.StatusCode == HttpStatusCode.Unauthorized)
{
string challenge = null;
challenge = response.GetResponseHeader("WWW-Authenticate");
if (challenge != null)
{
errorString = "The following challenge was raised by the server:" + challenge;
}
}
else
{
errorString = "The following WebException was raised : " + e.Message;
}
}
else
{
errorString = "Response Received from server was null";
}
}
catch (Exception e)
{
errorString = "The following Exception was raised :" + e.Message;
}
return(HTML);
}
