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Mini Shell

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Direktori : /www/varak.net/catalog.varak.net/bookUploader/
Upload File :
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Current File : /www/varak.net/catalog.varak.net/bookUploader/Utils.cs

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace bookUploader
{
    public class Utils
    {
        private static ObservableCollection<Author> _authors;
        private static ObservableCollection<Language> _languages;
        private static ObservableCollection<Genre> _genres;

        public static ObservableCollection<Author> Authors
        {
            get
            {
                return _authors;
            }
            set
            {
                _authors = value;
            }
        }

        public static ObservableCollection<Language> Languages
        {
            get { return _languages; }
            set { _languages = value; }
        }

        public static ObservableCollection<Genre> Genres
        {
            get { return _genres; }
            set { _genres = value; }
        }

        public static string HttpGetAuth(string url, string username, string password)
        {
            string retVal = "";
            try
            {
                HttpWebRequest wr = (HttpWebRequest)WebRequest.Create(url);
                var cache = new CredentialCache();
                cache.Add(new Uri("http://catalog.varak.net/"), "Basic", new NetworkCredential(username, password));
                wr.Credentials = cache;
                wr.PreAuthenticate = true;
                wr.UserAgent = "User-Agent: Waritko Book Uploader 1.0";
                wr.AutomaticDecompression = DecompressionMethods.GZip;
                wr.KeepAlive = false;
                wr.SendChunked = false;
                var response = wr.GetResponse();
                StreamReader rdr = new StreamReader(response.GetResponseStream());
                retVal = rdr.ReadToEnd();
                rdr.Close();
                response.Close();
            }
            catch (Exception)
            {
                throw;
            }
            return retVal;
        }

        public static bool HttpUploadFile(string url, string file, string paramName, string contentType, NameValueCollection nvc)
        {
            bool retVal = false;
            Console.WriteLine(string.Format("Uploading {0} to {1}", file, url));
            string boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
            byte[] boundarybytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n");

            HttpWebRequest wr = (HttpWebRequest)WebRequest.Create(url);
            var cache = new CredentialCache();
            cache.Add(new Uri("http://catalog.varak.net/"), "Basic", new NetworkCredential("waritko", "Pojka8uj"));
            wr.Credentials = cache;
            wr.PreAuthenticate = true;
            wr.UserAgent = "User-Agent: Waritko Book Uploader 1.0";
            wr.ContentType = "multipart/form-data; boundary=" + boundary;
            wr.Method = "POST";
            wr.KeepAlive = true;
            wr.Credentials = System.Net.CredentialCache.DefaultCredentials;

            Stream rs = wr.GetRequestStream();

            string formdataTemplate = "Content-Disposition: form-data; name=\"{0}\"\r\n\r\n{1}";
            foreach (string key in nvc.Keys)
            {
                rs.Write(boundarybytes, 0, boundarybytes.Length);
                string formitem = string.Format(formdataTemplate, key, nvc[key]);
                byte[] formitembytes = System.Text.Encoding.UTF8.GetBytes(formitem);
                rs.Write(formitembytes, 0, formitembytes.Length);
            }
            rs.Write(boundarybytes, 0, boundarybytes.Length);

            string headerTemplate = "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\nContent-Type: {2}\r\n\r\n";
            string header = string.Format(headerTemplate, paramName, file, contentType);
            byte[] headerbytes = System.Text.Encoding.UTF8.GetBytes(header);
            rs.Write(headerbytes, 0, headerbytes.Length);

            FileStream fileStream = new FileStream(file, FileMode.Open, FileAccess.Read);
            byte[] buffer = new byte[4096];
            int bytesRead = 0;
            while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
            {
                rs.Write(buffer, 0, bytesRead);
            }
            fileStream.Close();

            byte[] trailer = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "--\r\n");
            rs.Write(trailer, 0, trailer.Length);
            rs.Close();

            WebResponse wresp = null;
            try
            {
                wresp = wr.GetResponse();
                Stream stream2 = wresp.GetResponseStream();
                StreamReader reader2 = new StreamReader(stream2);
                Console.WriteLine(string.Format("File uploaded, server response is: {0}", reader2.ReadToEnd()));
                retVal = true;
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error uploading file", ex);
                if (wresp != null)
                {
                    wresp.Close();
                    wresp = null;
                }
                retVal = false;
            }
            finally
            {
                wr = null;
            }
            return retVal;
        }
    }
}

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