この記事で紹介している方法は 2014年時点の方法です。Twitterの仕様変更等でこのコードでは動作しない可能性が高いため、ご注意ください。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Net;
using System.IO;
using System.Text;
namespace iPentec.Twitter
{
public class TwitterUtils
{
const string UPDATE_STATUS = "https://api.twitter.com/1.1/statuses/update.json";
const string STATUSES_MENTIONS = "https://api.twitter.com/1.1/statuses/mentions_timeline.json";
const string STATUSES_HOME_TIMELINE = "https://api.twitter.com/1.1/statuses/home_timeline.json";
OAuthTwitter oAuth;
public TwitterUtils()
{
oAuth = new OAuthTwitter();
}
public void UserStreamsOAuth(string ConsumerKey, string ConsumerSecret, string AccessToken, string AccessTokenSecret)
{
}
public string StatusesHome_TimeLine(string Parameter, string ConsumerKey, string ConsumerSecret, string AccessToken, string AccessTokenSecret,
bool useAuthorizationHeader)
{
string ret = GetDataOAuth(STATUSES_HOME_TIMELINE, Parameter,
ConsumerKey, ConsumerSecret, AccessToken, AccessTokenSecret, useAuthorizationHeader);
return ret;
}
public string StatusesMentions(string ConsumerKey, string ConsumerSecret, string AccessToken, string AccessTokenSecret,
bool useAuthorizationHeader)
{
string ret = GetDataOAuth(STATUSES_MENTIONS, "",
ConsumerKey, ConsumerSecret, AccessToken, AccessTokenSecret, useAuthorizationHeader);
return ret;
}
public void UpdateStatus(string status, string ConsumerKey, string ConsumerSecret, string AccessToken, string AccessTokenSecret,
bool useAuthorizationHeader)
{
string encStatus = System.Web.HttpUtility.UrlEncode(status, System.Text.Encoding.UTF8);
encStatus = string.Format("status={0:s}", encStatus);
PostDataOAuth(UPDATE_STATUS, encStatus, ConsumerKey, ConsumerSecret, AccessToken, AccessTokenSecret, useAuthorizationHeader);
}
public string GetOAuthToken(string ConsumerKey, string ConsumerSecret)
{
oAuth.ConsumerKey = ConsumerKey;
oAuth.ConsumerSecret = ConsumerSecret;
string authurl = oAuth.AuthorizationLinkGet();
return authurl;
}
public void GetOAuthAccessToken(string OAuthToken, string ConsumerKey, string ConsumerSecret,
out string AccessToken, out string AccessTokenSecret, bool useAuthorizationHeader)
{
oAuth.ConsumerKey = ConsumerKey;
oAuth.ConsumerSecret = ConsumerSecret;
oAuth.AccessTokenGet(OAuthToken, string.Empty, useAuthorizationHeader);
AccessToken = oAuth.Token;
AccessTokenSecret = oAuth.TokenSecret;
}
public void GetOAuthAccessTokenWithOAuthVerifier(string OAuthVerifier, string OAuthToken, string ConsumerKey, string ConsumerSecret,
out string AccessToken, out string AccessTokenSecret)
{
oAuth.ConsumerKey = ConsumerKey;
oAuth.ConsumerSecret = ConsumerSecret;
oAuth.OAuthToken = OAuthToken;
oAuth.AccessTokenGetWithOAuthVerifier(OAuthVerifier, oAuth.OAuthToken);
AccessToken = oAuth.Token;
AccessTokenSecret = oAuth.TokenSecret;
}
public void GetOAuthAccessTokenWithOAuthVerifier(string OAuthVerifier, string ConsumerKey, string ConsumerSecret,
out string AccessToken, out string AccessTokenSecret)
{
oAuth.ConsumerKey = ConsumerKey;
oAuth.ConsumerSecret = ConsumerSecret;
oAuth.AccessTokenGetWithOAuthVerifier(OAuthVerifier, oAuth.OAuthToken);
AccessToken = oAuth.Token;
AccessTokenSecret = oAuth.TokenSecret;
}
private string GetDataOAuth(string url, string parameter,
string ConsumerKey, string ConsumerSecret, string AccessToken, string AccessTokenSecret, bool useAuthorizationHeader)
{
oAuth.ConsumerKey = ConsumerKey;
oAuth.ConsumerSecret = ConsumerSecret;
oAuth.Token = AccessToken;
oAuth.TokenSecret = AccessTokenSecret;
string xml = oAuth.oAuthWebRequest(OAuthTwitter.Method.GET, url, parameter, "", false, string.Empty, useAuthorizationHeader);
return xml;
}
private string PostDataOAuth(string url, string mes,
string ConsumerKey, string ConsumerSecret, string AccessToken, string AccessTokenSecret, bool useAuthorizationHeader)
{
string xml = "";
oAuth.ConsumerKey = ConsumerKey;
oAuth.ConsumerSecret = ConsumerSecret;
oAuth.Token = AccessToken;
oAuth.TokenSecret = AccessTokenSecret;
xml = oAuth.oAuthWebRequest(OAuthTwitter.Method.POST, url, String.Empty, mes, false, string.Empty, useAuthorizationHeader);
return xml;
}
public void PostPictureToTwitpic(byte[] image, string imageName, string comment,
string ConsumerKey, string ConsumerSecret, string AccessToken, string AccessTokenSecret,
string TwitpicAPIKey, string PictureContentType)
{
string twitpic_api_url = "http://api.twitpic.com/2/upload.json";
string auth_provider_url = "https://api.twitter.com/1/account/verify_credentials.json";
string auth_realm_url = "https://api.twitter.com/";
string contentEncodingStr = "iso-8859-1";
Encoding contentEncoding = Encoding.GetEncoding(contentEncodingStr);
oAuth.ConsumerKey = ConsumerKey;
oAuth.ConsumerSecret = ConsumerSecret;
oAuth.Token = AccessToken;
oAuth.TokenSecret = AccessTokenSecret;
oAuth.oAuthEchoWebRequestForTwitpic(OAuthTwitter.Method.POST, twitpic_api_url, auth_provider_url, auth_realm_url,
image, imageName, comment,
TwitpicAPIKey, contentEncoding, PictureContentType);
}
public void PostPictureToTwipplePhoto(byte[] image, string imageName,
string ConsumerKey, string ConsumerSecret, string AccessToken, string AccessTokenSecret, string PictureContentType)
{
string twipple_photo_api_url = "http://p.twipple.jp/api/upload";
string auth_provider_url = "https://api.twitter.com/1/account/verify_credentials.xml";
string contentEncodingStr = "iso-8859-1";
Encoding contentEncoding = Encoding.GetEncoding(contentEncodingStr);
oAuth.ConsumerKey = ConsumerKey;
oAuth.ConsumerSecret = ConsumerSecret;
oAuth.Token = AccessToken;
oAuth.TokenSecret = AccessTokenSecret;
oAuth.oAuthEchoWebRequestForTwipplePhoto(OAuthTwitter.Method.POST, twipple_photo_api_url, auth_provider_url,
image, imageName, contentEncoding, PictureContentType);
}
public void PostPictureToTwipplePhotoV2(byte[] image, string imageName,
string ConsumerKey, string ConsumerSecret, string AccessToken, string AccessTokenSecret, string PictureContentType)
{
string twipple_photo_api_url = "http://p.twipple.jp/api/upload2";
string auth_provider_url = "https://api.twitter.com/1/account/verify_credentials.xml";
string auth_realm_url = "https://api.twitter.com/";
string contentEncodingStr = "iso-8859-1";
Encoding contentEncoding = Encoding.GetEncoding(contentEncodingStr);
oAuth.ConsumerKey = ConsumerKey;
oAuth.ConsumerSecret = ConsumerSecret;
oAuth.Token = AccessToken;
oAuth.TokenSecret = AccessTokenSecret;
oAuth.oAuthEchoWebRequestForTwipplePhotoV2(OAuthTwitter.Method.POST, twipple_photo_api_url, auth_provider_url,
auth_realm_url, image, imageName, contentEncoding, PictureContentType);
}
public void PostPictureToYFrog(byte[] image, string imageName,
string ConsumerKey, string ConsumerSecret, string AccessToken, string AccessTokenSecret,
string YFrogAPIKey, string PictureContentType)
{
string yfrog_api_url = "https://yfrog.com/api/xauth_upload";
string auth_provider_url = "https://api.twitter.com/1/account/verify_credentials.xml";
string auth_realm_url = "http://api.twitter.com/";
string contentEncodingStr = "iso-8859-1";
Encoding contentEncoding = Encoding.GetEncoding(contentEncodingStr);
oAuth.ConsumerKey = ConsumerKey;
oAuth.ConsumerSecret = ConsumerSecret;
oAuth.Token = AccessToken;
oAuth.TokenSecret = AccessTokenSecret;
oAuth.oAuthEchoWebRequestForYFrog(OAuthTwitter.Method.POST, yfrog_api_url, auth_provider_url, auth_realm_url,
image, imageName, YFrogAPIKey, contentEncoding, PictureContentType);
}
public void PostPictureToYFrogOld(byte[] image, string imageName,
string ConsumerKey, string ConsumerSecret, string AccessToken, string AccessTokenSecret,
string PictureContentType, string UserName, string Comment)
{
string yfrog_api_url = "http://yfrog.com/api/upload";
string auth_provider_url = "https://api.twitter.com/1/account/verify_credentials.xml";
string contentEncodingStr = "iso-8859-1";
Encoding contentEncoding = Encoding.GetEncoding(contentEncodingStr);
oAuth.ConsumerKey = ConsumerKey;
oAuth.ConsumerSecret = ConsumerSecret;
oAuth.Token = AccessToken;
oAuth.TokenSecret = AccessTokenSecret;
oAuth.oAuthEchoWebRequestForYFrogOld(OAuthTwitter.Method.POST, yfrog_api_url, auth_provider_url,
image, imageName, Comment, contentEncoding, PictureContentType, UserName);
}
}
}
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Net;
using System.IO;
using System.Collections.Specialized;
using System.Text;
namespace iPentec.Twitter
{
public class OAuthTwitter : OAuthBase
{
public enum Method { GET, POST };
public const string REQUEST_TOKEN = "https://api.twitter.com/oauth/request_token";
public const string AUTHORIZE = "https://api.twitter.com/oauth/authorize";
public const string ACCESS_TOKEN = "https://api.twitter.com/oauth/access_token";
public const string REALM = "https://api.twitter.com";
#region Properties
public string ConsumerKey { get; set; }
public string ConsumerSecret { get; set; }
public string OAuthToken { get; set; }
public string OAuthTokenSecret { get; set; }
public string Token { get; set; }
public string TokenSecret { get; set;}
#endregion
/// <summary>
/// Get the link to Twitter's authorization page for this application.
/// </summary>
/// <returns>The url with a valid request token, or a null string.</returns>
public string AuthorizationLinkGet()
{
string ret = null;
string response = oAuthWebRequest(Method.GET, REQUEST_TOKEN, String.Empty, String.Empty, false, string.Empty, false);
if (response.Length > 0) {
//response contains token and token secret. We only need the token.
NameValueCollection qs = HttpUtility.ParseQueryString(response);
if (qs["oauth_token"] != null) {
OAuthToken = qs["oauth_token"]; // tuck this away for later
OAuthTokenSecret = qs["oauth_token_secret"];
ret = AUTHORIZE + "?oauth_token=" + qs["oauth_token"];
}
}
return ret;
}
/// <summary>
/// Exchange the request token for an access token.
/// </summary>
/// <param name="authToken">The oauth_token is supplied by Twitter's authorization page following the callback.</param>
public void AccessTokenGet(string authToken, string authVerifier, bool useAuthorizationHeader)
{
this.Token = authToken;
//this.OAuthVerifier = OAuthVerifier;
string response = oAuthWebRequest(Method.GET, ACCESS_TOKEN, String.Empty, String.Empty, false, string.Empty, useAuthorizationHeader);
if (response.Length > 0) {
//Store the Token and Token Secret
NameValueCollection qs = HttpUtility.ParseQueryString(response);
if (qs["oauth_token"] != null) {
this.Token = qs["oauth_token"];
}
if (qs["oauth_token_secret"] != null) {
this.TokenSecret = qs["oauth_token_secret"];
}
}
}
/// <summary>
/// Exchange the request token for an access token.
/// </summary>
/// <param name="authToken">The oauth_token is supplied by Twitter's authorization page following the callback.</param>
public void AccessTokenGetWithOAuthVerifier(string OAuthVerifier, string OAuthToken)
{
//this.PIN = OAuthVerifier;
this.Token = OAuthToken;
string response = oAuthWebRequest(Method.GET, ACCESS_TOKEN, String.Empty, String.Empty, true, OAuthVerifier, false);
if (response.Length > 0) {
//Store the Token and Token Secret
NameValueCollection qs = HttpUtility.ParseQueryString(response);
if (qs["oauth_token"] != null) {
this.Token = qs["oauth_token"];
}
if (qs["oauth_token_secret"] != null) {
this.TokenSecret = qs["oauth_token_secret"];
}
}
}
/// <summary>
/// Submit a web request using oAuth.
/// </summary>
/// <param name="method">GET or POST</param>
/// <param name="url">The full url, including the querystring.</param>
/// <param name="postData">Data to post (querystring format)</param>
/// <returns>The web server response.</returns>
public string oAuthWebRequest(Method method, string url, string parameter, string postData, bool useOAuthVerifier, string OAuthVerifier, bool useAuthorizationHeader)
{
string outUrl = "";
string querystring = "";
string ret = "";
//Setup postData for signing.
//Add the postData to the querystring.
if (method == Method.POST) {
if (postData.Length > 0) {
//Decode the parameters and re-encode using the oAuth UrlEncode method.
NameValueCollection qs = HttpUtility.ParseQueryString(postData);
postData = "";
foreach (string key in qs.AllKeys) {
if (postData.Length > 0) {
postData += "&";
}
qs[key] = HttpUtility.UrlDecode(qs[key]);
//qs[key] = this.UrlEncode(qs[key]);
qs[key] = this.UrlEncode(qs[key], Encoding.UTF8);
postData += key + "=" + qs[key];
}
if (url.IndexOf("?") > 0) {
url += "&";
}
else {
url += "?";
}
url += postData;
}
}
if (method == Method.GET) {
url += parameter;
}
Uri uri = new Uri(url);
string nonce = this.GenerateNonce();
string timeStamp = this.GenerateTimeStamp();
string sig = "";
//Generate Signature
if (useOAuthVerifier == false) {
sig = this.GenerateSignature(uri,
this.ConsumerKey, this.ConsumerSecret, this.Token, this.TokenSecret,
method.ToString(),
timeStamp,
nonce,
out outUrl,
out querystring);
}
else {
sig = this.GenerateSignatureWithOAuthVerifier(uri,
this.ConsumerKey, this.ConsumerSecret, this.Token, this.TokenSecret,
method.ToString(),
timeStamp,
nonce,
OAuthVerifier,
out outUrl,
out querystring);
}
if (useAuthorizationHeader == false) {
querystring += "&oauth_signature=" + HttpUtility.UrlEncode(sig);
//Convert the querystring to postData
if (method == Method.POST) {
postData = querystring;
querystring = "";
}
if (querystring.Length > 0) {
outUrl += "?";
}
ret = WebRequest(method, outUrl + querystring, postData);
}
else {
string AuthorizationHeaderStr = GenerateOAuthAuthorizationHeader(uri,
this.ConsumerKey, this.Token, this.TokenSecret,
method.ToString(),
timeStamp,
nonce,
HMACSHA1SignatureType,
HttpUtility.UrlEncode(sig));
ret = WebRequestUseAuthorizationHeader(method, outUrl, postData, AuthorizationHeaderStr);
}
return ret;
}
/// <summary>
/// Web Request Wrapper
/// </summary>
/// <param name="method">Http Method</param>
/// <param name="url">Full url to the web resource</param>
/// <param name="postData">Data to post in querystring format</param>
/// <returns>The web server response.</returns>
public string WebRequest(Method method, string url, string postData)
{
HttpWebRequest webRequest = null;
StreamWriter requestWriter = null;
string responseData = "";
webRequest = System.Net.WebRequest.Create(url) as HttpWebRequest;
webRequest.Method = method.ToString();
webRequest.ServicePoint.Expect100Continue = false;
//webRequest.UserAgent = "Identify your application please.";
//webRequest.Timeout = 20000;
if (method == Method.POST) {
webRequest.ContentType = "application/x-www-form-urlencoded";
//POST the data.
requestWriter = new StreamWriter(webRequest.GetRequestStream());
try {
requestWriter.Write(postData);
}
catch {
throw;
}
finally {
requestWriter.Close();
requestWriter = null;
}
}
responseData = WebResponseGet(webRequest);
webRequest = null;
return responseData;
}
/// <summary>
/// Web Request Wrapper
/// </summary>
/// <param name="method">Http Method</param>
/// <param name="url">Full url to the web resource</param>
/// <param name="postData">Data to post in querystring format</param>
/// <returns>The web server response.</returns>
public string WebRequestUseAuthorizationHeader(Method method, string url, string postData, string Signature)
{
HttpWebRequest webRequest = null;
StreamWriter requestWriter = null;
string responseData = "";
webRequest = System.Net.WebRequest.Create(url) as HttpWebRequest;
webRequest.Method = method.ToString();
webRequest.ServicePoint.Expect100Continue = false;
//webRequest.UserAgent = "Identify your application please.";
//webRequest.Timeout = 20000;
webRequest.Headers.Add("Authorization", Signature);
if (method == Method.POST) {
webRequest.ContentType = "application/x-www-form-urlencoded";
//webRequest.ContentLength = postData.Length;
//POST the data.
requestWriter = new StreamWriter(webRequest.GetRequestStream());
try {
requestWriter.Write(postData);
}
catch {
throw;
}
finally {
requestWriter.Close();
requestWriter = null;
}
}
responseData = WebResponseGet(webRequest);
webRequest = null;
return responseData;
}
/// <returns>The web server response.</returns>
public string oAuthEchoWebRequestForTwitpic(Method method, string url, string auth_provider_url, string auth_realm_url,
byte[] image, string imageName, string postMessage,
string TwitpicAPIKey, Encoding ContentEncoding, string FileContentType)
{
HttpWebRequest webRequest = null;
//StreamWriter requestWriter = null;
string responseData = "";
webRequest = System.Net.WebRequest.Create(url) as HttpWebRequest;
webRequest.Method = method.ToString();
webRequest.ServicePoint.Expect100Continue = false;
//webRequest.UserAgent = "Identify your application please.";
//webRequest.Timeout = 20000;
var boundary = Guid.NewGuid().ToString();
webRequest.ContentType = string.Format("multipart/form-data; boundary={0}", boundary);
string outUrl = "";
string querystring = "";
string ret = "";
//Generate Signature
Uri uri = new Uri(auth_provider_url);
string nonce = this.GenerateNonce();
string timeStamp = this.GenerateTimeStamp();
string sig = this.GenerateSignature(uri,
this.ConsumerKey, this.ConsumerSecret, this.Token, this.TokenSecret,
"GET",
timeStamp,
nonce,
out outUrl,
out querystring);
webRequest.Headers.Add("X-Auth-Service-Provider", auth_provider_url);
string oauthSignaturePattern = "OAuth realm=\"{0:s}\", oauth_consumer_key=\"{1:s}\", oauth_signature_method=\"HMAC-SHA1\","
+ " oauth_token=\"{2:s}\", oauth_timestamp=\"{3:s}\", oauth_nonce=\"{4:s}\", oauth_version=\"1.0\", oauth_signature=\"{5:s}\"";
string authorizationHeader = string.Format(
System.Globalization.CultureInfo.InvariantCulture,
oauthSignaturePattern,
auth_realm_url,
this.ConsumerKey, this.Token,
timeStamp,
nonce,
HttpUtility.UrlEncode(sig));
webRequest.Headers.Add("X-Verify-Credentials-Authorization", authorizationHeader);
//webRequest.Method = "POST";
webRequest.Method = method.ToString();
if (method == Method.POST) {
string header = string.Format("--{0}", boundary);
string footer = string.Format("--{0}--", boundary);
StringBuilder contents = new StringBuilder();
contents.AppendLine(header);
string fileHeader = string.Format("Content-Disposition: file; name=\"{0:s}\"; filename=\"{1:s}\"", "media", imageName);
string fileData = ContentEncoding.GetString(image);
contents.AppendLine(fileHeader);
contents.AppendLine(string.Format("Content-Type: {0:s}", FileContentType));
contents.AppendLine();
contents.AppendLine(fileData);
contents.AppendLine(header);
contents.AppendLine(string.Format("Content-Disposition: form-data; name=\"{0:s}\"", "key"));
contents.AppendLine();
contents.AppendLine(TwitpicAPIKey);
contents.AppendLine(header);
contents.AppendLine(String.Format("Content-Disposition: form-data; name=\"{0:s}\"", "message"));
contents.AppendLine();
contents.AppendLine(postMessage + "/" + DateTime.Now.ToString()); // 同じ文字は拒否されるため、時刻を付加
contents.AppendLine(footer);
byte[] bytes = ContentEncoding.GetBytes(contents.ToString());
webRequest.ContentLength = bytes.Length;
Stream requestWriter = webRequest.GetRequestStream();
try {
requestWriter.Write(bytes, 0, bytes.Length);
}
catch {
throw;
}
finally {
requestWriter.Close();
requestWriter = null;
}
}
responseData = WebResponseGet(webRequest);
webRequest = null;
return responseData;
}
public string oAuthEchoWebRequestForYFrog(Method method, string url, string auth_provider_url, string auth_realm_url,
byte[] image, string imageName, string YFrogAPIKey, Encoding ContentEncoding, string FileContentType)
{
HttpWebRequest webRequest = null;
//StreamWriter requestWriter = null;
string responseData = "";
webRequest = System.Net.WebRequest.Create(url) as HttpWebRequest;
webRequest.Method = method.ToString();
webRequest.ServicePoint.Expect100Continue = false;
//webRequest.UserAgent = "Identify your application please.";
//webRequest.Timeout = 20000;
var boundary = Guid.NewGuid().ToString();
webRequest.ContentType = string.Format("multipart/form-data; boundary={0}", boundary);
string outUrl = "";
string querystring = "";
string ret = "";
//Generate Signature
Uri uri = new Uri(auth_provider_url);
string nonce = this.GenerateNonce();
string timeStamp = this.GenerateTimeStamp();
string sig = this.GenerateSignature(uri,
this.ConsumerKey, this.ConsumerSecret, this.Token, this.TokenSecret,
"GET",
timeStamp,
nonce,
out outUrl,
out querystring);
webRequest.Headers.Add("X-Auth-Service-Provider", auth_provider_url);
string oauthSignaturePattern = "OAuth realm=\"{0:s}\", oauth_consumer_key=\"{1:s}\", oauth_signature_method=\"HMAC-SHA1\","
+ " oauth_token=\"{2:s}\", oauth_timestamp=\"{3:s}\", oauth_nonce=\"{4:s}\", oauth_version=\"1.0\", oauth_signature=\"{5:s}\"";
string authorizationHeader = string.Format(
System.Globalization.CultureInfo.InvariantCulture,
oauthSignaturePattern,
auth_realm_url,
this.ConsumerKey, this.Token,
timeStamp,
nonce,
HttpUtility.UrlEncode(sig));
webRequest.Headers.Add("X-Verify-Credentials-Authorization", authorizationHeader);
//webRequest.Method = "POST";
webRequest.Method = method.ToString();
if (method == Method.POST) {
string header = string.Format("--{0}", boundary);
string footer = string.Format("--{0}--", boundary);
StringBuilder contents = new StringBuilder();
contents.AppendLine(header);
string fileHeader = string.Format("Content-Disposition: file; name=\"{0:s}\"; filename=\"{1:s}\"", "media", imageName);
string fileData = ContentEncoding.GetString(image);
contents.AppendLine(fileHeader);
contents.AppendLine(string.Format("Content-Type: {0:s}", FileContentType));
contents.AppendLine();
contents.AppendLine(fileData);
contents.AppendLine(header);
contents.AppendLine(string.Format("Content-Disposition: form-data; name=\"{0:s}\"", "key"));
contents.AppendLine();
contents.AppendLine(YFrogAPIKey);
contents.AppendLine(footer);
byte[] bytes = ContentEncoding.GetBytes(contents.ToString());
webRequest.ContentLength = bytes.Length;
Stream requestWriter = webRequest.GetRequestStream();
try {
requestWriter.Write(bytes, 0, bytes.Length);
}
catch {
throw;
}
finally {
requestWriter.Close();
requestWriter = null;
}
}
responseData = WebResponseGet(webRequest);
webRequest = null;
return responseData;
}
public string oAuthEchoWebRequestForYFrogOld(Method method, string url, string auth_provider_url,
byte[] image, string imageName, string PostMessage, Encoding ContentEncoding, string FileContentType, string UserName)
{
HttpWebRequest webRequest = null;
//StreamWriter requestWriter = null;
string responseData = "";
webRequest = System.Net.WebRequest.Create(url) as HttpWebRequest;
webRequest.Method = method.ToString();
webRequest.ServicePoint.Expect100Continue = false;
//webRequest.UserAgent = "Identify your application please.";
//webRequest.Timeout = 20000;
var boundary = Guid.NewGuid().ToString();
webRequest.ContentType = string.Format("multipart/form-data; boundary={0}", boundary);
string outUrl = "";
string querystring = "";
string ret = "";
//Generate Signature
Uri uri = new Uri(auth_provider_url);
string nonce = this.GenerateNonce();
string timeStamp = this.GenerateTimeStamp();
string sig = this.GenerateSignature(uri,
this.ConsumerKey, this.ConsumerSecret, this.Token, this.TokenSecret,
"GET",
timeStamp,
nonce,
out outUrl,
out querystring);
if (method == Method.POST) {
string header = string.Format("--{0}", boundary);
string footer = string.Format("--{0}--", boundary);
StringBuilder contents = new StringBuilder();
contents.AppendLine(header);
string fileHeader = string.Format("Content-Disposition: file; name=\"{0:s}\"; filename=\"{1:s}\"", "media", imageName);
string fileData = ContentEncoding.GetString(image);
contents.AppendLine(fileHeader);
contents.AppendLine(string.Format("Content-Type: {0:s}", FileContentType));
contents.AppendLine();
contents.AppendLine(fileData);
contents.AppendLine(header);
contents.AppendLine(string.Format("Content-Disposition: form-data; name=\"{0:s}\"", "username"));
contents.AppendLine();
contents.AppendLine(UserName);
string credentialPattern = "oauth_version=1.0&oauth_nonce={0:s}&oauth_timestamp={1:s}&oauth_consumer_key={2:s}&oauth_token={3:s}"
+ "&oauth_signature_method=HMAC-SHA1&oauth_signature={4:s}";
string credential = string.Format(credentialPattern, nonce, timeStamp, this.ConsumerKey, this.Token, sig);
string CredentialURL = auth_provider_url + "?" + credential;
contents.AppendLine(header);
contents.AppendLine(string.Format("Content-Disposition: form-data; name=\"{0:s}\"", "verify_url"));
contents.AppendLine();
contents.AppendLine(CredentialURL);
contents.AppendLine(header);
contents.AppendLine(string.Format("Content-Disposition: form-data; name=\"{0:s}\"", "auth"));
contents.AppendLine();
contents.AppendLine("oauth");
contents.AppendLine(header);
contents.AppendLine(string.Format("Content-Disposition: form-data; name=\"{0:s}\"", "message"));
contents.AppendLine();
contents.AppendLine(PostMessage);
contents.AppendLine(footer);
byte[] bytes = ContentEncoding.GetBytes(contents.ToString());
webRequest.ContentLength = bytes.Length;
Stream requestWriter = webRequest.GetRequestStream();
try {
requestWriter.Write(bytes, 0, bytes.Length);
}
catch {
throw;
}
finally {
requestWriter.Close();
requestWriter = null;
}
}
responseData = WebResponseGet(webRequest);
webRequest = null;
return responseData;
}
public string oAuthEchoWebRequestForTwipplePhoto(Method method, string url, string auth_provider_url,
byte[] image, string imageName, Encoding ContentEncoding, string FileContentType)
{
HttpWebRequest webRequest = null;
string responseData = "";
webRequest = System.Net.WebRequest.Create(url) as HttpWebRequest;
//webRequest.KeepAlive = false;
webRequest.Method = method.ToString();
webRequest.ServicePoint.Expect100Continue = false;
//webRequest.UserAgent = "Identify your application please.";
//webRequest.Timeout = 20000;
string boundary = Guid.NewGuid().ToString();
webRequest.ContentType = string.Format("multipart/form-data; boundary={0}", boundary);
//Generate Signature
string outUrl = "";
string querystring = "";
string ret = "";
Uri uri = new Uri(auth_provider_url);
string nonce = this.GenerateNonce();
string timeStamp = this.GenerateTimeStamp();
string sig = this.GenerateSignature(uri,
this.ConsumerKey, this.ConsumerSecret, this.Token, this.TokenSecret,
"GET",
timeStamp,
nonce,
out outUrl,
out querystring);
string credentialPattern = "oauth_version=1.0&oauth_nonce={0:s}&oauth_timestamp={1:s}&oauth_consumer_key={2:s}&oauth_token={3:s}"
+ "&oauth_signature_method=HMAC-SHA1&oauth_signature={4:s}";
//URLエンコードし %3dを%3Dに置換する場合
string UrlEncodeSig = HttpUtility.UrlEncode(sig);
UrlEncodeSig = UrlEncodeSig.Replace("%3d", "%3D");
UrlEncodeSig = UrlEncodeSig.Replace("%2b", "%2B");
string credential = string.Format(credentialPattern, nonce, timeStamp, this.ConsumerKey, this.Token, UrlEncodeSig);
string CredentialURL = auth_provider_url + "?" + credential;
if (method == Method.POST) {
string header = string.Format("--{0}", boundary);
string footer = string.Format("--{0}--", boundary);
StringBuilder contents = new StringBuilder();
contents.AppendLine(header);
contents.AppendLine(string.Format("Content-Disposition: form-data; name=\"{0:s}\"", "auth"));
contents.AppendLine("Content-Type: text/plain; charset=US-ASCII");
contents.AppendLine("Content-Transfer-Encoding: 8bit");
contents.AppendLine();
contents.AppendLine("oauth");
contents.AppendLine(header);
contents.AppendLine(string.Format("Content-Disposition: form-data; name=\"{0:s}\"", "verify_url"));
contents.AppendLine("Content-Type: text/plain; charset=US-ASCII");
contents.AppendLine("Content-Transfer-Encoding: 8bit");
contents.AppendLine();
contents.AppendLine(CredentialURL);
string fileHeader = string.Format("Content-Disposition: form-data; name=\"{0:s}\"; filename=\"{1:s}\"", "media", imageName);
string fileData = ContentEncoding.GetString(image);
contents.AppendLine(header);
contents.AppendLine(fileHeader);
contents.AppendLine(string.Format("Content-Type: {0:s}; charset=ISO-8859-1", FileContentType));
contents.AppendLine("Content-Transfer-Encoding: binary");
contents.AppendLine();
contents.AppendLine(fileData);
contents.AppendLine(footer);
byte[] bytes = ContentEncoding.GetBytes(contents.ToString());
webRequest.ContentLength = bytes.Length;
Stream requestWriter = webRequest.GetRequestStream();
try {
requestWriter.Write(bytes, 0, bytes.Length);
}
catch {
throw;
}
finally {
requestWriter.Close();
requestWriter = null;
}
}
responseData = WebResponseGet(webRequest);
webRequest = null;
return responseData;
}
public string oAuthEchoWebRequestForTwipplePhotoV2(Method method, string url, string auth_provider_url, string auth_realm_url,
byte[] image, string imageName, Encoding ContentEncoding, string FileContentType)
{
HttpWebRequest webRequest = null;
string responseData = "";
webRequest = System.Net.WebRequest.Create(url) as HttpWebRequest;
webRequest.Method = method.ToString();
webRequest.ServicePoint.Expect100Continue = false;
//webRequest.UserAgent = "Identify your application please.";
//webRequest.Timeout = 20000;
var boundary = Guid.NewGuid().ToString();
webRequest.ContentType = string.Format("multipart/form-data; boundary={0}", boundary);
string outUrl = "";
string querystring = "";
string ret = "";
//Generate Signature
Uri uri = new Uri(auth_provider_url);
string nonce = this.GenerateNonce();
string timeStamp = this.GenerateTimeStamp();
string sig = this.GenerateSignature(uri,
this.ConsumerKey, this.ConsumerSecret, this.Token, this.TokenSecret,
"GET",
timeStamp,
nonce,
out outUrl,
out querystring);
webRequest.Headers.Add("X-Auth-Service-Provider", auth_provider_url);
string oauthSignaturePattern = "OAuth realm=\"{0:s}\", oauth_consumer_key=\"{1:s}\", oauth_signature_method=\"HMAC-SHA1\","
+ " oauth_token=\"{2:s}\", oauth_timestamp=\"{3:s}\", oauth_nonce=\"{4:s}\", oauth_version=\"1.0\", oauth_signature=\"{5:s}\"";
string authorizationHeader = string.Format(
System.Globalization.CultureInfo.InvariantCulture,
oauthSignaturePattern,
auth_realm_url,
this.ConsumerKey,
this.Token,
timeStamp,
nonce,
HttpUtility.UrlEncode(sig));
webRequest.Headers.Add("X-Verify-Credentials-Authorization", authorizationHeader);
//webRequest.Method = "POST";
webRequest.Method = method.ToString();
if (method == Method.POST) {
string header = string.Format("--{0}", boundary);
string footer = string.Format("--{0}--", boundary);
StringBuilder contents = new StringBuilder();
contents.AppendLine(header);
string fileHeader = string.Format("Content-Disposition: file; name=\"{0:s}\"; filename=\"{1:s}\"", "media", imageName);
string fileData = ContentEncoding.GetString(image);
contents.AppendLine(fileHeader);
contents.AppendLine(string.Format("Content-Type: {0:s}", FileContentType));
contents.AppendLine();
contents.AppendLine(fileData);
contents.AppendLine(footer);
byte[] bytes = ContentEncoding.GetBytes(contents.ToString());
webRequest.ContentLength = bytes.Length;
Stream requestWriter = webRequest.GetRequestStream();
try {
requestWriter.Write(bytes, 0, bytes.Length);
}
catch {
throw;
}
finally {
requestWriter.Close();
requestWriter = null;
}
}
responseData = WebResponseGet(webRequest);
webRequest = null;
return responseData;
}
/// <summary>
/// Process the web response.
/// </summary>
/// <param name="webRequest">The request object.</param>
/// <returns>The response data.</returns>
public string WebResponseGet(HttpWebRequest webRequest)
{
StreamReader responseReader = null;
string responseData = "";
try {
responseReader = new StreamReader(webRequest.GetResponse().GetResponseStream());
responseData = responseReader.ReadToEnd();
}
catch (WebException exc) {
System.Diagnostics.Debug.WriteLine(exc.Response);
throw;
}
catch {
throw;
}
finally {
webRequest.GetResponse().GetResponseStream().Close();
responseReader.Close();
responseReader = null;
}
return responseData;
}
/// <summary>
/// OAuth Signatureのパラメータを取得
/// </summary>
/// <param name="url"></param>
/// <param name="method"></param>
/// <returns></returns>
public string GetOAthSignature(string url, Method method)
{
string outUrl = "";
Uri uri = new Uri(url);
string nonce = this.GenerateNonce();
string timeStamp = this.GenerateTimeStamp();
string querystring = "";
//Generate Signature
string sig = this.GenerateSignature(uri,
this.ConsumerKey,
this.ConsumerSecret,
this.Token,
this.TokenSecret,
method.ToString(),
timeStamp,
nonce,
out outUrl,
out querystring);
querystring += "&oauth_signature=" + HttpUtility.UrlEncode(sig);
return querystring;
}
}
}
using System;
using System.Security.Cryptography;
using System.Collections.Generic;
using System.Text;
using System.Web;
namespace iPentec.Twitter
{
public class OAuthBase
{
/// <summary>
/// Provides a predefined set of algorithms that are supported officially by the protocol
/// </summary>
public enum SignatureTypes{HMACSHA1, PLAINTEXT, RSASHA1}
/// <summary>
/// Provides an internal structure to sort the query parameter
/// </summary>
protected class QueryParameter
{
private string name = null;
private string value = null;
public QueryParameter(string name, string value)
{
this.name = name;
this.value = value;
}
public string Name
{
get { return name; }
}
public string Value
{
get { return value; }
}
}
/// <summary>
/// Comparer class used to perform the sorting of the query parameters
/// </summary>
protected class QueryParameterComparer : IComparer<QueryParameter>
{
#region IComparer<QueryParameter> Members
public int Compare(QueryParameter x, QueryParameter y)
{
if (x.Name == y.Name) {
return string.Compare(x.Value, y.Value);
}
else {
return string.Compare(x.Name, y.Name);
}
}
#endregion
}
protected const string OAuthVersion = "1.0";
protected const string OAuthParameterPrefix = "oauth_";
//
// List of know and used oauth parameters' names
//
protected const string OAuthConsumerKeyKey = "oauth_consumer_key";
protected const string OAuthCallbackKey = "oauth_callback";
protected const string OAuthVersionKey = "oauth_version";
protected const string OAuthSignatureMethodKey = "oauth_signature_method";
protected const string OAuthSignatureKey = "oauth_signature";
protected const string OAuthTimestampKey = "oauth_timestamp";
protected const string OAuthNonceKey = "oauth_nonce";
protected const string OAuthTokenKey = "oauth_token";
protected const string OAuthTokenSecretKey = "oauth_token_secret";
protected const string OAuthVerifierKey = "oauth_verifier"; // JDevlin
protected const string HMACSHA1SignatureType = "HMAC-SHA1";
protected const string PlainTextSignatureType = "PLAINTEXT";
protected const string RSASHA1SignatureType = "RSA-SHA1";
protected Random random = new Random();
protected string unreservedChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_.~";
/// <summary>
/// Helper function to compute a hash value
/// </summary>
/// <param name="hashAlgorithm">The hashing algoirhtm used. If that algorithm needs some initialization, like HMAC and its derivatives, they should be initialized prior to passing it to this function</param>
/// <param name="data">The data to hash</param>
/// <returns>a Base64 string of the hash value</returns>
private string ComputeHash(HashAlgorithm hashAlgorithm, string data)
{
if (hashAlgorithm == null) {
throw new ArgumentNullException("hashAlgorithm");
}
if (string.IsNullOrEmpty(data)) {
throw new ArgumentNullException("data");
}
byte[] dataBuffer = System.Text.Encoding.ASCII.GetBytes(data);
byte[] hashBytes = hashAlgorithm.ComputeHash(dataBuffer);
return Convert.ToBase64String(hashBytes);
}
/// <summary>
/// Internal function to cut out all non oauth query string parameters (all parameters not begining with "oauth_")
/// </summary>
/// <param name="parameters">The query string part of the Url</param>
/// <returns>A list of QueryParameter each containing the parameter name and value</returns>
private List<QueryParameter> GetQueryParameters(string parameters)
{
if (parameters.StartsWith("?")) {
parameters = parameters.Remove(0, 1);
}
List<QueryParameter> result = new List<QueryParameter>();
if (!string.IsNullOrEmpty(parameters)) {
string[] p = parameters.Split('&');
foreach (string s in p) {
if (!string.IsNullOrEmpty(s) && !s.StartsWith(OAuthParameterPrefix)) {
if (s.IndexOf('=') > -1) {
string[] temp = s.Split('=');
result.Add(new QueryParameter(temp[0], temp[1]));
}
else {
result.Add(new QueryParameter(s, string.Empty));
}
}
}
}
return result;
}
/// <summary>
/// This is a different Url Encode implementation since the default .NET one outputs the percent encoding in lower case.
/// While this is not a problem with the percent encoding spec, it is used in upper case throughout OAuth
/// </summary>
/// <param name="value">The value to Url encode</param>
/// <returns>Returns a Url encoded string</returns>
protected string UrlEncode(string value)
{
StringBuilder result = new StringBuilder();
foreach (char symbol in value) {
if (unreservedChars.IndexOf(symbol) != -1) {
result.Append(symbol);
}
else {
result.Append('%' + String.Format("{0:X2}", (int)symbol));
}
}
return result.ToString();
}
protected string UrlEncode(string value, Encoding encode)
{
StringBuilder result = new StringBuilder();
byte[] data = encode.GetBytes(value);
int len = data.Length;
for (int i = 0; i < len; i++) {
int c = data[i];
if (c < 0x80 && unreservedChars.IndexOf((char)c) != -1) {
result.Append((char)c);
}
else {
result.Append('%' + String.Format("{0:X2}", (int)data[i]));
}
}
return result.ToString();
}
/// <summary>
/// Normalizes the request parameters according to the spec
/// </summary>
/// <param name="parameters">The list of parameters already sorted</param>
/// <returns>a string representing the normalized parameters</returns>
protected string NormalizeRequestParameters(IList<QueryParameter> parameters)
{
StringBuilder sb = new StringBuilder();
QueryParameter p = null;
for (int i = 0; i < parameters.Count; i++) {
p = parameters[i];
sb.AppendFormat("{0}={1}", p.Name, p.Value);
if (i < parameters.Count - 1) {
sb.Append("&");
}
}
return sb.ToString();
}
public string GenerateOAuthAuthorizationHeader(Uri url, string consumerKey, string token, string tokenSecret, string httpMethod, string timeStamp,
string nonce, string signatureType, string signature)
{
//OAuth ヘッダ用文字列の作成
string HeaderStr = "OAuth ";
HeaderStr += string.Format("{0:s}=\"{1:s}\",", OAuthConsumerKeyKey, consumerKey);
HeaderStr += string.Format("{0:s}=\"{1:s}\",", OAuthNonceKey, nonce);
HeaderStr += string.Format("{0:s}=\"{1:s}\",", OAuthSignatureKey, signature);
HeaderStr += string.Format("{0:s}=\"{1:s}\",", OAuthSignatureMethodKey, signatureType);
HeaderStr += string.Format("{0:s}=\"{1:s}\",", OAuthTimestampKey, timeStamp);
HeaderStr += string.Format("{0:s}=\"{1:s}\",", OAuthTokenKey, token);
HeaderStr += string.Format("{0:s}=\"{1:s}\"", OAuthVersionKey, OAuthVersion);
return HeaderStr;
}
/// <summary>
/// Generate the signature base that is used to produce the signature
/// </summary>
/// <param name="url">The full url that needs to be signed including its non OAuth url parameters</param>
/// <param name="consumerKey">The consumer key</param>
/// <param name="token">The token, if available. If not available pass null or an empty string</param>
/// <param name="tokenSecret">The token secret, if available. If not available pass null or an empty string</param>
/// <param name="httpMethod">The http method used. Must be a valid HTTP method verb (POST,GET,PUT, etc)</param>
/// <param name="signatureType">The signature type. To use the default values use <see cref="OAuthBase.SignatureTypes">OAuthBase.SignatureTypes</see>.</param>
/// <returns>The signature base</returns>
public string GenerateSignatureBase(Uri url, string consumerKey, string token, string tokenSecret, string httpMethod, string timeStamp,
string nonce, string OAuthVerifier, string signatureType, out string normalizedUrl, out string normalizedRequestParameters)
{
if (token == null) {
token = string.Empty;
}
if (tokenSecret == null) {
tokenSecret = string.Empty;
}
if (string.IsNullOrEmpty(consumerKey)) {
throw new ArgumentNullException("consumerKey");
}
if (string.IsNullOrEmpty(httpMethod)) {
throw new ArgumentNullException("httpMethod");
}
if (string.IsNullOrEmpty(signatureType)) {
throw new ArgumentNullException("signatureType");
}
normalizedUrl = null;
normalizedRequestParameters = null;
List<QueryParameter> parameters = GetQueryParameters(url.Query);
parameters.Add(new QueryParameter(OAuthVersionKey, OAuthVersion));
parameters.Add(new QueryParameter(OAuthNonceKey, nonce));
parameters.Add(new QueryParameter(OAuthTimestampKey, timeStamp));
parameters.Add(new QueryParameter(OAuthSignatureMethodKey, signatureType));
parameters.Add(new QueryParameter(OAuthConsumerKeyKey, consumerKey));
if (!string.IsNullOrEmpty(token)) {
parameters.Add(new QueryParameter(OAuthTokenKey, token));
}
// JDevlin: support for PIN-based auth
if (!String.IsNullOrEmpty(OAuthVerifier)) {
parameters.Add(new QueryParameter(OAuthVerifierKey, OAuthVerifier));
}
parameters.Sort(new QueryParameterComparer());
normalizedUrl = string.Format("{0}://{1}", url.Scheme, url.Host);
if (!((url.Scheme == "http" && url.Port == 80) || (url.Scheme == "https" && url.Port == 443))) {
normalizedUrl += ":" + url.Port;
}
normalizedUrl += url.AbsolutePath;
normalizedRequestParameters = NormalizeRequestParameters(parameters);
StringBuilder signatureBase = new StringBuilder();
signatureBase.AppendFormat("{0}&", httpMethod.ToUpper());
signatureBase.AppendFormat("{0}&", UrlEncode(normalizedUrl));
signatureBase.AppendFormat("{0}", UrlEncode(normalizedRequestParameters));
return signatureBase.ToString();
}
/// <summary>
/// Generate the signature value based on the given signature base and hash algorithm
/// </summary>
/// <param name="signatureBase">The signature based as produced by the GenerateSignatureBase method or by any other means</param>
/// <param name="hash">The hash algorithm used to perform the hashing. If the hashing algorithm requires initialization or a key it should be set prior to calling this method</param>
/// <returns>A base64 string of the hash value</returns>
public string GenerateSignatureUsingHash(string signatureBase, HashAlgorithm hash)
{
return ComputeHash(hash, signatureBase);
}
/// <summary>
/// Generates a signature using the HMAC-SHA1 algorithm
/// </summary>
/// <param name="url">The full url that needs to be signed including its non OAuth url parameters</param>
/// <param name="consumerKey">The consumer key</param>
/// <param name="consumerSecret">The consumer seceret</param>
/// <param name="token">The token, if available. If not available pass null or an empty string</param>
/// <param name="tokenSecret">The token secret, if available. If not available pass null or an empty string</param>
/// <param name="httpMethod">The http method used. Must be a valid HTTP method verb (POST,GET,PUT, etc)</param>
/// <returns>A base64 string of the hash value</returns>
public string GenerateSignature(Uri url, string consumerKey, string consumerSecret, string token, string tokenSecret, string httpMethod,
string timeStamp, string nonce, out string normalizedUrl, out string normalizedRequestParameters)
{
return GenerateSignature(url, consumerKey, consumerSecret, token, tokenSecret, httpMethod, timeStamp, nonce, SignatureTypes.HMACSHA1,
out normalizedUrl, out normalizedRequestParameters);
}
/// <summary>
/// Generates a signature using the specified signatureType
/// </summary>
/// <param name="url">The full url that needs to be signed including its non OAuth url parameters</param>
/// <param name="consumerKey">The consumer key</param>
/// <param name="consumerSecret">The consumer seceret</param>
/// <param name="token">The token, if available. If not available pass null or an empty string</param>
/// <param name="tokenSecret">The token secret, if available. If not available pass null or an empty string</param>
/// <param name="httpMethod">The http method used. Must be a valid HTTP method verb (POST,GET,PUT, etc)</param>
/// <param name="signatureType">The type of signature to use</param>
/// <returns>A base64 string of the hash value</returns>
public string GenerateSignature(Uri url, string consumerKey, string consumerSecret, string token, string tokenSecret, string httpMethod,
string timeStamp, string nonce, SignatureTypes signatureType, out string normalizedUrl, out string normalizedRequestParameters)
{
normalizedUrl = null;
normalizedRequestParameters = null;
switch (signatureType) {
case SignatureTypes.PLAINTEXT:
return HttpUtility.UrlEncode(string.Format("{0}&{1}", consumerSecret, tokenSecret), Encoding.UTF8);
case SignatureTypes.HMACSHA1:
string signatureBase = GenerateSignatureBase(url, consumerKey, token, tokenSecret, httpMethod, timeStamp, nonce, string.Empty,
HMACSHA1SignatureType, out normalizedUrl, out normalizedRequestParameters);
HMACSHA1 hmacsha1 = new HMACSHA1();
//hmacsha1.Key = Encoding.ASCII.GetBytes(string.Format("{0}&{1}", UrlEncode(consumerSecret), string.IsNullOrEmpty(tokenSecret) ? "" : UrlEncode(tokenSecret)));
hmacsha1.Key = Encoding.ASCII.GetBytes(string.Format("{0}&{1}", UrlEncode(consumerSecret), string.IsNullOrEmpty(tokenSecret) ? "" : UrlEncode(tokenSecret)));
return GenerateSignatureUsingHash(signatureBase, hmacsha1);
case SignatureTypes.RSASHA1:
throw new NotImplementedException();
default:
throw new ArgumentException("Unknown signature type", "signatureType");
}
}
/// <summary>
/// Generates a signature using the HMAC-SHA1 algorithm
/// </summary>
/// <param name="url">The full url that needs to be signed including its non OAuth url parameters</param>
/// <param name="consumerKey">The consumer key</param>
/// <param name="consumerSecret">The consumer seceret</param>
/// <param name="token">The token, if available. If not available pass null or an empty string</param>
/// <param name="tokenSecret">The token secret, if available. If not available pass null or an empty string</param>
/// <param name="httpMethod">The http method used. Must be a valid HTTP method verb (POST,GET,PUT, etc)</param>
/// <returns>A base64 string of the hash value</returns>
public string GenerateSignatureWithOAuthVerifier(Uri url, string consumerKey, string consumerSecret, string token, string tokenSecret, string httpMethod, string timeStamp, string nonce, /* JDevlin*/ string OAuthVerifier,
out string normalizedUrl, out string normalizedRequestParameters)
{
return GenerateSignatureWithOAuthVerifier(url, consumerKey, consumerSecret, token, tokenSecret, httpMethod, timeStamp, nonce, OAuthVerifier,
SignatureTypes.HMACSHA1, out normalizedUrl, out normalizedRequestParameters);
}
/// <summary>
/// Generates a signature using the specified signatureType
/// </summary>
/// <param name="url">The full url that needs to be signed including its non OAuth url parameters</param>
/// <param name="consumerKey">The consumer key</param>
/// <param name="consumerSecret">The consumer seceret</param>
/// <param name="token">The token, if available. If not available pass null or an empty string</param>
/// <param name="tokenSecret">The token secret, if available. If not available pass null or an empty string</param>
/// <param name="httpMethod">The http method used. Must be a valid HTTP method verb (POST,GET,PUT, etc)</param>
/// <param name="signatureType">The type of signature to use</param>
/// <returns>A base64 string of the hash value</returns>
//public string GenerateSignatureWithPIN(Uri url, string consumerKey, string consumerSecret, string token, string tokenSecret, string httpMethod, string timeStamp,
public string GenerateSignatureWithOAuthVerifier(Uri url, string consumerKey, string consumerSecret, string token, string tokenSecret, string httpMethod, string timeStamp,
string nonce, string OAuthVerifier /*JDevlin*/, SignatureTypes signatureType, out string normalizedUrl, out string normalizedRequestParameters)
{
normalizedUrl = null;
normalizedRequestParameters = null;
switch (signatureType) {
case SignatureTypes.PLAINTEXT:
return HttpUtility.UrlEncode(string.Format("{0}&{1}", consumerSecret, tokenSecret));
case SignatureTypes.HMACSHA1:
string signatureBase = GenerateSignatureBase(url, consumerKey, token, tokenSecret, httpMethod, timeStamp, nonce, OAuthVerifier,
HMACSHA1SignatureType, out normalizedUrl, out normalizedRequestParameters);
HMACSHA1 hmacsha1 = new HMACSHA1();
hmacsha1.Key = Encoding.ASCII.GetBytes(string.Format("{0}&{1}", UrlEncode(consumerSecret), string.IsNullOrEmpty(tokenSecret) ? "" : UrlEncode(tokenSecret)));
return GenerateSignatureUsingHash(signatureBase, hmacsha1);
case SignatureTypes.RSASHA1:
throw new NotImplementedException();
default:
throw new ArgumentException("Unknown signature type", "signatureType");
}
}
/// <summary>
/// Generate the timestamp for the signature
/// </summary>
/// <returns></returns>
public virtual string GenerateTimeStamp()
{
// Default implementation of UNIX time of the current UTC time
TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
return Convert.ToInt64(ts.TotalSeconds).ToString();
}
/// <summary>
/// Generate a nonce
/// </summary>
/// <returns></returns>
public virtual string GenerateNonce()
{
// Just a simple implementation of a random number between 123400 and 9999999
return random.Next(123400, 9999999).ToString();
}
}
}
