public static async Task <KeyValuePair <string, string> > GetSummary(string url, bool debug = false)
{
try
{
string id = url;
if (Cache.Get(id) != null)
{
return(new KeyValuePair <string, string>(url, Cache.Get(id).Content + "(cache hit)"));
}
IResolver resolver = null;
bool valid_to_cache = true;
for (int i = 0; i < Resolvers.Count; i++)
{
resolver = Resolvers[i];
try
{
if (resolver == null || !resolver.Matches(url))
{
continue;
}
if (!resolver.Ready(url))
{
Console.WriteLine("Resolver {0} isn't ready yet, not caching", resolver.Name);
valid_to_cache = false;
continue;
}
id = resolver.GetCacheID(url);
if (Cache.Get(id) != null)
{
return(new KeyValuePair <string, string>(url, Cache.Get(id).Content + "(cache hit)"));
}
string summary = resolver.GetSummary(url);
if (summary != "-")
{
if (valid_to_cache)
{
Cache.Add(id, summary, TimedCache.DefaultExpiry);
}
return(new KeyValuePair <string, string>(id, summary));
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
HttpClient httpClient = new HttpClient();
HttpRequestMessage request =
new HttpRequestMessage(HttpMethod.Head,
new Uri(url));
request.Headers.Add("User-Agent", Config.GetString("title.useragent"));
HttpResponseMessage response =
await httpClient.SendAsync(request);
int length = 0;
if (response.Content.Headers.Contains("Content-Length"))
{
length = int.Parse(response.Content.Headers.GetValues("Content-Length").First());
if (length > 10000000)
{
return(new KeyValuePair <string, string>("", "File too big!"));
}
}
string ext = "";
if (url.Contains("."))
{
ext = "." + url.Split('.').Last();
}
if (ext.Length > 5)
{
ext = "";
}
string mime = GetMimeType(response);
var type = GetType(mime);
var ext_type = GetTypeByExt(ext);
if ((type == LinkType.Generic || type != ext_type) && ext_type != LinkType.Generic)
{
type = ext_type;
}
switch (type)
{
case LinkType.Html:
string title = "";
title = GetTitle(url);
if (valid_to_cache)
{
Cache.Add(url, title, TimedCache.DefaultExpiry);
}
return(new KeyValuePair <string, string>(url, title));
case LinkType.Image:
{
string msg = "";
var resp = await httpClient.GetAsync(url);
byte[] data = await resp.Content.ReadAsByteArrayAsync();
MemoryStream ms = new MemoryStream(data);
Bitmap bmp = new Bitmap(ms);
string hash = GetHash(data);
string imgtype = mime.Split('/')[1].ToUpper();
if (length != 0)
{
msg = string.Format("11{0} image({1}, {2}x{3})", imgtype, GetBoldLength(length), bmp.Width, bmp.Height);
}
else
{
msg = string.Format("11{0} image({1}x{2})", imgtype, bmp.Width, bmp.Height);
}
if (valid_to_cache)
{
Cache.Add(url, msg, TimedCache.DefaultExpiry);
}
return(new KeyValuePair <string, string>(url, msg));
}
case LinkType.Video:
case LinkType.Audio:
//{
// var resp = await httpClient.GetAsync(url);
// string temp = Path.GetTempFileName();
// byte[] data = await resp.Content.ReadAsByteArrayAsync();
// File.WriteAllBytes(temp, data);
// string ret = string.Format(MediaInfo.GetMediaInfo(temp), GetBoldLength(length));
// File.Delete(temp);
// Cache.Add(url, ret, TimedCache.DefaultExpiry);
// return new KeyValuePair<string, string>(url, ret);
//}
case LinkType.Generic:
if (length != 0)
{
string ret = "";
ret = string.Format("11{0}, {1}", mime, GetBoldLength(length));
if (valid_to_cache)
{
Cache.Add(url, ret, TimedCache.DefaultExpiry);
}
return(new KeyValuePair <string, string>(url, ret));
}
break;
default:
break;
}
return(new KeyValuePair <string, string>("", "-"));
}
catch
{
throw;
}
}