[twitter-dev] Re: Authentication failing for status POST in C#
The base string is:
POSThttp%3a%2f%2fapi.twitter.com%2f1%2fstatuses
%2fupdate.jsonoauth_consumer_key%3dA5l9hSVM5Hznf5p1pBwNsg
%26oauth_nonce%3dJOCvtqemMQg1k0XnFjbH0MQPxr6Yme7zcei6mZO6ZP
%26oauth_signature_method%3dHMAC-SHA1%26oauth_timestamp
%3d1284512080%26oauth_token%3d189085164-
UGuVwmGtljgvSUg8q0aCOD4vrPibePTE7zVBlOMG%26oauth_version%3d1.0%26status
%3doogyboogy
The sent request is:
POST /1/statuses/update.json HTTP/1.1\r\n
Authorization: OAuth
oauth_nonce=JOCvtqemMQg1k0XnFjbH0MQPxr6Yme7zcei6mZO6ZP,oauth_signature_method=HMAC-
SHA1,oauth_timestamp=1284512080,oauth_consumer_key=A5l9hSVM5Hznf5p1pBwNsg,oauth_token=189085164-
UGuVwmGtljgvSUg8q0aCOD4vrPibePTE7zVBlOMG,oauth_signature=62%2BaTNj5jKWl7ajQrzM
%2FNQXV7Rw%3D,oauth_version=1.0\r\n
Content-Type: application/x-www-form-urlencoded\r\n
Host: api.twitter.com\r\n
Content-Length: 16\r\n
\r\n
status=oogyboogy
On Sep 10, 12:00 pm, Tom van der Woerdt i...@tvdw.eu wrote:
I like code, but I like seeing the results even more :-)
Can you provide us (the twitter-dev list) with these :
* A base string
* A full request and response
Tom
On 9/10/10 8:22 PM, hyronymous wrote:
So far as I can tell, I'm following the instructions accurately
according tohttp://dev.twitter.com/pages/auth, but regardless of any
minute variations, I keep getting a 401, authorization error on
posting (i.e. the method pushMessage() fails). So far as I can tell,
I'm not doing anything different, other than using POST, than I did
during the initial authorization.
public class Twitter {
private string tokenSecret = ;
private string createTimestamp() {
var now = DateTime.UtcNow;
var then = new DateTime(1970, 1, 1);
var timespan = now - then;
return ( + (long)timespan.TotalSeconds);
}
private string createNonce() {
const string ALPHANUMERIC =
qwertyuiopasdfghjklzxcvbnm
+ QWERTYUIOPASDFGHJKLZXCVBNM
+ 1234567890
;
var sb = new StringBuilder();
var random = new Random();
for (int L = 0; L 42; L++)
{
sb.Append(
ALPHANUMERIC[random.Next(ALPHANUMERIC.Length)]
);
}
return sb.ToString();
}
private string createSignature(string signatureBase) {
string key = clientSecret + + tokenSecret;
var keyBytes = Encoding.UTF8.GetBytes(key);
var sigMethod = new HMACSHA1(keyBytes);
byte[] data = Encoding.UTF8.GetBytes(signatureBase);
var hash = sigMethod.ComputeHash(data);
var sig = Convert.ToBase64String(hash);
sig = Uri.EscapeDataString(sig);
return sig;
}
private void myInit() {
int found = 0;
string[] words = sessionData.Split('');
for (uint L = 0; L words.Length; L++)
{
if (words[L].StartsWith(oauth_token=))
{
++found;
accessToken = words[L];
}
else if (words[L].StartsWith(oauth_token_secret=))
{
++found;
tokenSecret =
words[L].Substring(oauth_token_secret=.Length);
}
else if (words[L].StartsWith(user_id=)) {
++found;
userID = words[L].Substring(user_id=.Length);
}
else if (words[L].StartsWith(screen_name=)) {
++found;
screenName =
words[L].Substring(screen_name=.Length);
}
}
if (found != 4) {
throw new Exception(Unknown response from server);
}
}
public new void createSession(System.Web.UI.Page page)
{
if (
!string.IsNullOrEmpty(page.Request.QueryString[oauth_token])
) {
string timestamp = createTimestamp();
string nonce = createNonce();
var sigBase =
GET
+ +
Uri.EscapeDataString(https://api.twitter.com/oauth/
access_token)
+ +
Uri.EscapeDataString(oauth_consumer_key= + clientID)
+ %26 + Uri.EscapeDataString(oauth_nonce= +
nonce)
+ %26 +
Uri.EscapeDataString(oauth_signature_method=HMAC-SHA1)
+ %26 +
Uri.EscapeDataString(oauth_timestamp= + timestamp)
+ %26 + Uri.EscapeDataString(oauth_token= +
page.Request.QueryString[oauth_token
[twitter-dev] Re: Authentication failing for status POST in C#
Woops, sorry and the response that I get back is:
{request:/1/statuses/update.json,error:Incorrect signature}
--
Twitter developer documentation and resources: http://dev.twitter.com/doc
API updates via Twitter: http://twitter.com/twitterapi
Issues/Enhancements Tracker: http://code.google.com/p/twitter-api/issues/list
Change your membership to this group:
http://groups.google.com/group/twitter-development-talk?hl=en
[twitter-dev] Authentication failing for status POST in C#
So far as I can tell, I'm following the instructions accurately
according to http://dev.twitter.com/pages/auth, but regardless of any
minute variations, I keep getting a 401, authorization error on
posting (i.e. the method pushMessage() fails). So far as I can tell,
I'm not doing anything different, other than using POST, than I did
during the initial authorization.
public class Twitter {
private string tokenSecret = ;
private string createTimestamp() {
var now = DateTime.UtcNow;
var then = new DateTime(1970, 1, 1);
var timespan = now - then;
return ( + (long)timespan.TotalSeconds);
}
private string createNonce() {
const string ALPHANUMERIC =
qwertyuiopasdfghjklzxcvbnm
+ QWERTYUIOPASDFGHJKLZXCVBNM
+ 1234567890
;
var sb = new StringBuilder();
var random = new Random();
for (int L = 0; L 42; L++)
{
sb.Append(
ALPHANUMERIC[random.Next(ALPHANUMERIC.Length)]
);
}
return sb.ToString();
}
private string createSignature(string signatureBase) {
string key = clientSecret + + tokenSecret;
var keyBytes = Encoding.UTF8.GetBytes(key);
var sigMethod = new HMACSHA1(keyBytes);
byte[] data = Encoding.UTF8.GetBytes(signatureBase);
var hash = sigMethod.ComputeHash(data);
var sig = Convert.ToBase64String(hash);
sig = Uri.EscapeDataString(sig);
return sig;
}
private void myInit() {
int found = 0;
string[] words = sessionData.Split('');
for (uint L = 0; L words.Length; L++)
{
if (words[L].StartsWith(oauth_token=))
{
++found;
accessToken = words[L];
}
else if (words[L].StartsWith(oauth_token_secret=))
{
++found;
tokenSecret =
words[L].Substring(oauth_token_secret=.Length);
}
else if (words[L].StartsWith(user_id=)) {
++found;
userID = words[L].Substring(user_id=.Length);
}
else if (words[L].StartsWith(screen_name=)) {
++found;
screenName =
words[L].Substring(screen_name=.Length);
}
}
if (found != 4) {
throw new Exception(Unknown response from server);
}
}
public new void createSession(System.Web.UI.Page page)
{
if (
!string.IsNullOrEmpty(page.Request.QueryString[oauth_token])
) {
string timestamp = createTimestamp();
string nonce = createNonce();
var sigBase =
GET
+ +
Uri.EscapeDataString(https://api.twitter.com/oauth/
access_token)
+ +
Uri.EscapeDataString(oauth_consumer_key= + clientID)
+ %26 + Uri.EscapeDataString(oauth_nonce= +
nonce)
+ %26 +
Uri.EscapeDataString(oauth_signature_method=HMAC-SHA1)
+ %26 +
Uri.EscapeDataString(oauth_timestamp= + timestamp)
+ %26 + Uri.EscapeDataString(oauth_token= +
page.Request.QueryString[oauth_token])
+ %26 +
Uri.EscapeDataString(oauth_version=1.0)
;
string signature = createSignature(sigBase);
string url =
https://api.twitter.com/oauth/access_token;;
WebClient client = new WebClient();
client.Headers[Authorization] =
OAuth
+ oauth_consumer_key=\ + clientID + \,
+ oauth_nonce=\ + nonce + \,
+ oauth_signature=\ + signature + \,
+ oauth_signature_method=\HMAC-SHA1\,
+ oauth_timestamp=\ + timestamp + \,
+ oauth_token=\ +
page.Request.QueryString[oauth_token] +
\,
+ oauth_version=\1.0\
;
byte[] data
