Saxm4ppF

1public void AcquireRequestToken(Action<bool> response)
2{
3
4    string oauth_nonce = Convert.ToBase64String(new ASCIIEncoding().GetBytes(DateTime.Now.Ticks.ToString()));
5
6    // build the signature
7    var headers = new Dictionary<string,string>()
8    {
9        { "oauth_consumer_key", _oAuthConfig.ConsumerKey },
10        { "oauth_nonce", oauth_nonce },
11        { "oauth_signature_method", "HMAC-SHA1" },
12        { "oauth_timestamp", MakeTimestamp() },
13        { "oauth_version", "1.0" },
14        { "oauth_callback", PercentEncode(_oAuthConfig.Callback) },
15    };
16
17    string signature = MakeSignature ("POST", _oAuthConfig.RequestTokenUrl, headers);
18    string compositeSigningKey = MakeSigningKey(_oAuthConfig.ConsumerSecret, null);
19    string oauth_signature = MakeOAuthSignature(compositeSigningKey, signature);
20
21    Uri fullUri = new Uri(_oAuthConfig.RequestTokenUrl);
22
23    var request = (HttpWebRequest)WebRequest.Create(fullUri);
24    request.Method = "POST";
25
26    request.Headers.Add("oauth_consumer_key", PercentEncode(_oAuthConfig.ConsumerKey));
27    request.Headers.Add("oauth_nonce", PercentEncode(oauth_nonce));
28    request.Headers.Add("oauth_signature_method", PercentEncode("HMAC-SHA1"));
29    request.Headers.Add("oauth_timestamp", PercentEncode(MakeTimestamp()));
30    request.Headers.Add("oauth_version", "1.0");
31    request.Headers.Add("oauth_callback", PercentEncode(_oAuthConfig.Callback));
32    request.Headers.Add("oauth_signature", PercentEncode(oauth_signature));
33
34    try 
35    {
36
37        request.BeginGetResponse(new AsyncCallback(result =>
38        {
39            string contents = String.Empty;
40            HttpWebRequest theRequest = (HttpWebRequest)result.AsyncState;
41
42            if (theRequest != null)
43            {
44                try
45                {
46                    HttpWebResponse theResponse = (HttpWebResponse)theRequest.EndGetResponse(result);
47
48                    using (Stream stream = theResponse.GetResponseStream())
49                    using (StreamReader reader = new StreamReader(stream))
50                    {
51                        contents = reader.ReadToEnd();
52                    }
53
54                    Dictionary<string, object> results = JsonConvert.DeserializeObject<Dictionary<string, object>>(contents);
55
56                    _requestToken = (string)results ["oauth_token"];
57                    _requestTokenSecret = (string)results ["oauth_token_secret"];
58
59                    response(true);
60                }
61                catch (WebException e)
62                {
63                    response(false);
64                }
65            }
66            else
67            {
68                response(false);
69            }
70        }), request);
71
72    }
73    catch (WebException e)
74    {
75        response(false);
76    }
77
78}
79	
80public bool AcquireRequestToken()
81{
82    var headers = new Dictionary<string,string>()
83    {
84        { "oauth_callback", PercentEncode(_oAuthConfig.Callback) },
85        { "oauth_consumer_key", _oAuthConfig.ConsumerKey },
86        { "oauth_signature_method", "HMAC-SHA1" },
87        { "oauth_timestamp", MakeTimestamp() },
88        { "oauth_version", "1.0" }
89    };
90
91    string signature = MakeSignature ("POST", _oAuthConfig.RequestTokenUrl, headers);
92    string compositeSigningKey = MakeSigningKey(_oAuthConfig.ConsumerSecret, null);
93    string oauth_signature = MakeOAuthSignature(compositeSigningKey, signature);
94
95    var wc = new WebClient ();
96    headers.Add ("oauth_signature", PercentEncode(oauth_signature));
97    wc.Headers [HttpRequestHeader.Authorization] = HeadersToOAuth(headers);
98
99    try
100    {
101        var result = HttpUtility.ParseQueryString(wc.UploadString (new Uri(_oAuthConfig.RequestTokenUrl), ""));
102
103        if (result ["oauth_callback_confirmed"] != null)
104        {
105            _requestToken = result ["oauth_token"];
106            _requestTokenSecret = result ["oauth_token_secret"];
107
108            return true;
109        }
110    }
111    catch (Exception e)
112    {
113        return false;
114    }
115
116}
117	
118Authorization: OAuth oauth_consumer_key="<the consumer key of your app>", oauth_nonce="<the nonce>", oauth_signature="<the signature>", oauth_signature_method="HMAC-SHA1", oauth_timestamp="<the timestamp>", oauth_token="<your token>", oauth_version="1.0"