TwitterUploader.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Text;
using TweetSharp;
namespace CsharpPoster
{
    static class TwitterSettings
    {
        public static string CredentialsPath = ".twitter_credentials";
        public static string ConsumerKey = "";
        public static string ConsumerKeySecret = "";
        public static string AccessToken = "";
        public static string AccessTokenSecret = "";
        public static string[] CredentialsLines
        {
            get { return new []{ConsumerKey, ConsumerKeySecret, AccessToken, AccessTokenSecret}; }
            set
            {
                ConsumerKey = value[0];
                ConsumerKeySecret = value[1];
                AccessToken = value[2];
                AccessTokenSecret = value[3];
            }
        }
    }

    class Uploader
    {
        static void PostImage(string filePath, string postText)
        {
            var service = new TwitterService(TwitterSettings.ConsumerKey
                                        , TwitterSettings.ConsumerKeySecret
                                        , TwitterSettings.AccessToken
                                        , TwitterSettings.AccessTokenSecret);

            var options = new SendTweetWithMediaOptions
            {
                Status = postText,
                Images =
                    new Dictionary<string, Stream>
                    {
                        {"1", new FileStream(filePath, FileMode.Open, FileAccess.Read)}
                    }
            };
            try
            {
                var status = service.SendTweetWithMedia(options);
                Console.WriteLine("Tweet Succeeded!\n Author {0}, Date {1}", status.Author, status.CreatedDate);
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error: Got an Exception while making tweet.\n   {0}", ex.Message);
            }
        }

        static void PrintUsage()
        {
            var usage = new StringBuilder().Append("TwitterUploader usage:\n")
                .Append("    TwitterUploader.exe -auth consumerKey consumerSecret\n")
                .Append("    TwitterUploader.exe -post \"path_to_photo\" \"tweet text\"\n")
                .AppendFormat("\nCredentials file '{0}' should be placed in the same folder as TwitterUploader.exe\n",
                    TwitterSettings.CredentialsPath)
                .Append(
                    "Credentials file format: \n    ConsumerKey\n    ConsumerKeySecret\n    AccessToken\n    AccessTokenSecret");
            Console.WriteLine(usage.ToString());
        }

        static void Main(string[] args)
        {
            if (args.Length != 3)
            {
                PrintUsage();
                return;
            }

            if (args[0] == "-auth")
            {
                TwitterSettings.ConsumerKey = args[1];
                TwitterSettings.ConsumerKeySecret = args[2];

                var service = new TwitterService(TwitterSettings.ConsumerKey, TwitterSettings.ConsumerKeySecret);
                var requestToken = service.GetRequestToken();
                var uri = service.GetAuthorizationUri(requestToken);
                Console.WriteLine("Follow this URL to get Verification code {0}", uri);
                if (Environment.OSVersion.VersionString.Contains("Win"))
                {
                    Process.Start(uri.ToString());
                }
            Console.WriteLine("Enter Verification code");
                var code = Console.ReadLine();
                var access = service.GetAccessToken(requestToken, code);

                TwitterSettings.AccessToken = access.Token;
                TwitterSettings.AccessTokenSecret = access.TokenSecret;

                service.AuthenticateWith(TwitterSettings.AccessToken, TwitterSettings.AccessTokenSecret);
                
                File.WriteAllLines(TwitterSettings.CredentialsPath, TwitterSettings.CredentialsLines);

                Console.WriteLine("\n Authenticated successfully. Use TwitterUploader.exe -post \"path_to_photo\" \"tweet text\"\n");
                return;
            }
            if (args[0] == "-post")
            {
                if (!File.Exists(TwitterSettings.CredentialsPath))
                {
                    File.CreateText(TwitterSettings.CredentialsPath);
                    Console.WriteLine("Error: Credentials file {0} is empty. Unable to authenticate");
                    return;
                }

                var credentials = File.ReadAllLines(TwitterSettings.CredentialsPath);
                if (credentials.Length != 4)
                {
                    Console.WriteLine("Error: Credentials file {0} is in invalid format.", TwitterSettings.CredentialsPath);
                    PrintUsage();
                    return;
                }
                TwitterSettings.CredentialsLines = File.ReadAllLines(TwitterSettings.CredentialsPath);

                var photoPath = args[1];
                if (!File.Exists(photoPath))
                {
                    Console.WriteLine("Error: PhotoPath doesn't exist");
                    PrintUsage();
                    return;
                }
                PostImage(photoPath, args[2]);
            }
        }
    }
}