/// <summary>
/// HTTP Get request for stream service.
/// </summary>
/// <param name="requestUri">Uri to make OAuth request.</param>
/// <param name="tokens">Tokens to pass in request.</param>
/// <param name="callback">Function invoked when stream available.</param>
/// <returns>awaitable task</returns>
public async Task ExecuteGetStreamAsync(Uri requestUri, TwitterOAuthTokens tokens, TwitterStreamCallbacks.RawJsonCallback callback)
{
using (var request = new HttpHelperRequest(requestUri, HttpMethod.Get))
{
var requestBuilder = new TwitterOAuthRequestBuilder(requestUri, tokens);
request.Headers.Authorization = HttpCredentialsHeaderValue.Parse(requestBuilder.AuthorizationHeader);
using (var response = await HttpHelper.Instance.GetInputStreamAsync(request).ConfigureAwait(false))
{
var responseStream = await response.GetStreamResultAsync().ConfigureAwait(false);
using (var reader = new StreamReader(responseStream.AsStreamForRead()))
{
while (!_abort && !reader.EndOfStream)
{
var result = reader.ReadLine();
if (!string.IsNullOrEmpty(result))
{
callback?.Invoke(result);
}
}
}
}
}
}
/// <summary>
/// Initialize underlying provider with relevent token information.
/// </summary>
/// <param name="consumerKey">Consumer key.</param>
/// <param name="consumerSecret">Consumer secret.</param>
/// <param name="callbackUri">Callback URI. Has to match callback URI defined at apps.twitter.com (can be arbitrary).</param>
/// <returns>Success or failure.</returns>
public bool Initialize(string consumerKey, string consumerSecret, string callbackUri)
{
if (string.IsNullOrEmpty(consumerKey))
{
throw new ArgumentNullException(nameof(consumerKey));
}
if (string.IsNullOrEmpty(consumerSecret))
{
throw new ArgumentNullException(nameof(consumerSecret));
}
if (string.IsNullOrEmpty(callbackUri))
{
throw new ArgumentNullException(nameof(callbackUri));
}
var oAuthTokens = new TwitterOAuthTokens
{
ConsumerKey = consumerKey,
ConsumerSecret = consumerSecret,
CallbackUri = callbackUri
};
return(Initialize(oAuthTokens));
}
/// <summary>
/// HTTP Get request for stream service.
/// </summary>
/// <param name="requestUri">Uri to make OAuth request.</param>
/// <param name="tokens">Tokens to pass in request.</param>
/// <param name="callback">Function invoked when stream available.</param>
/// <returns>awaitable task</returns>
public async Task ExecuteGetStreamAsync(Uri requestUri, TwitterOAuthTokens tokens, TwitterStreamCallbacks.RawJsonCallback callback)
{
using (var request = new HttpRequestMessage(HttpMethod.Get, requestUri))
{
var requestBuilder = new TwitterOAuthRequestBuilder(requestUri, tokens);
request.Headers.Authorization = AuthenticationHeaderValue.Parse(requestBuilder.AuthorizationHeader);
using (var response = await client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead).ConfigureAwait(false))
{
var responseStream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
using (var reader = new StreamReader(responseStream))
{
while (!_abort && !reader.EndOfStream)
{
var result = reader.ReadLine();
if (!string.IsNullOrEmpty(result))
{
callback?.Invoke(result);
}
}
}
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TwitterOAuthRequestBuilder"/> class.
/// Authorization request builder.
/// </summary>
/// <param name="requestUri">Request Uri.</param>
/// <param name="tokens">Tokens to form request.</param>
/// <param name="method">Method to use with request.</param>
public TwitterOAuthRequestBuilder(Uri requestUri, TwitterOAuthTokens tokens, string method = "GET")
{
Verb = method;
RequestUriWithoutQuery = new Uri(requestUri.AbsoluteWithoutQuery());
if (!string.IsNullOrEmpty(requestUri.Query))
{
QueryParams = requestUri.GetQueryParams()
.Select(p => new OAuthParameter(p.Key, Uri.UnescapeDataString(p.Value)))
.ToList();
}
else
{
QueryParams = new List<OAuthParameter>();
}
EncodedRequestUri = GetEncodedUri(requestUri, QueryParams);
Version = new OAuthParameter("oauth_version", "1.0");
Nonce = new OAuthParameter("oauth_nonce", GenerateNonce());
Timestamp = new OAuthParameter("oauth_timestamp", GenerateTimeStamp());
SignatureMethod = new OAuthParameter("oauth_signature_method", "HMAC-SHA1");
ConsumerKey = new OAuthParameter("oauth_consumer_key", tokens.ConsumerKey);
ConsumerSecret = new OAuthParameter("oauth_consumer_secret", tokens.ConsumerSecret);
Token = new OAuthParameter("oauth_token", tokens.AccessToken);
TokenSecret = new OAuthParameter("oauth_token_secret", tokens.AccessTokenSecret);
}
/// <summary>
/// HTTP Post request to specified Uri.
/// </summary>
/// <param name="requestUri">Uri to make OAuth request.</param>
/// <param name="tokens">Tokens to pass in request.</param>
/// <returns>String result.</returns>
public async Task <string> ExecutePostAsync(Uri requestUri, TwitterOAuthTokens tokens)
{
HttpClient client = GetHttpClient(requestUri, tokens, "POST");
HttpResponseMessage response = await client.PostAsync(requestUri, null);
return(await response.Content.ReadAsStringAsync());
}
/// <summary>
/// HTTP Get request to specified Uri.
/// </summary>
/// <param name="requestUri">Uri to make OAuth request.</param>
/// <param name="tokens">Tokens to pass in request.</param>
/// <returns>String result.</returns>
public async Task <string> ExecuteGetAsync(Uri requestUri, TwitterOAuthTokens tokens)
{
HttpClient client = GetHttpClient(requestUri, tokens);
HttpResponseMessage response = await client.GetAsync(requestUri);
return(ProcessErrors(await response.Content.ReadAsStringAsync()));
}
private static HttpClient GetHttpClient(Uri requestUri, TwitterOAuthTokens tokens, string method = "GET")
{
var requestBuilder = new TwitterOAuthRequestBuilder(requestUri, tokens, method);
var handler = new HttpClientHandler {
AutomaticDecompression = DecompressionMethods.GZip
};
var client = new HttpClient(handler);
client.DefaultRequestHeaders.Add("Authorization", requestBuilder.AuthorizationHeader);
return(client);
}
/// <summary>
/// Initializes a new instance of the <see cref="TwitterDataProvider"/> class.
/// Constructor.
/// </summary>
/// <param name="tokens">OAuth tokens for request.</param>
public TwitterDataProvider(TwitterOAuthTokens tokens)
{
_tokens = tokens;
_vault = new PasswordVault();
if (_client == null)
{
HttpClientHandler handler = new HttpClientHandler();
handler.AutomaticDecompression = DecompressionMethods.GZip;
_client = new HttpClient(handler);
}
}
/// <summary>
/// Initialize underlying provider with relevent token information.
/// </summary>
/// <param name="oAuthTokens">Token instance.</param>
/// <returns>Success or failure.</returns>
public bool Initialize(TwitterOAuthTokens oAuthTokens)
{
if (oAuthTokens == null)
{
throw new ArgumentNullException(nameof(oAuthTokens));
}
tokens = oAuthTokens;
isInitialized = true;
twitterDataProvider = null;
return(true);
}
/// <summary>
/// HTTP Get request to specified Uri.
/// </summary>
/// <param name="requestUri">Uri to make OAuth request.</param>
/// <param name="tokens">Tokens to pass in request.</param>
/// <returns>String result.</returns>
public async Task <string> ExecuteGetAsync(Uri requestUri, TwitterOAuthTokens tokens)
{
using (var request = new HttpRequestMessage(HttpMethod.Get, requestUri))
{
var requestBuilder = new TwitterOAuthRequestBuilder(requestUri, tokens, "GET");
request.Headers.Authorization = AuthenticationHeaderValue.Parse(requestBuilder.AuthorizationHeader);
using (var response = await client.SendAsync(request).ConfigureAwait(false))
{
return(ProcessErrors(await response.Content.ReadAsStringAsync().ConfigureAwait(false)));
}
}
}
/// <summary>
/// HTTP Get request to specified Uri.
/// </summary>
/// <param name="requestUri">Uri to make OAuth request.</param>
/// <param name="tokens">Tokens to pass in request.</param>
/// <returns>String result.</returns>
public async Task <string> ExecuteGetAsync(Uri requestUri, TwitterOAuthTokens tokens)
{
using (var request = new HttpHelperRequest(requestUri, HttpMethod.Get))
{
var requestBuilder = new TwitterOAuthRequestBuilder(requestUri, tokens, "GET");
request.Headers.Authorization = HttpCredentialsHeaderValue.Parse(requestBuilder.AuthorizationHeader);
using (var response = await HttpHelper.Instance.SendRequestAsync(request).ConfigureAwait(false))
{
return(ProcessErrors(await response.GetTextResultAsync().ConfigureAwait(false)));
}
}
}
/// <summary>
/// HTTP Post request to specified Uri.
/// </summary>
/// <param name="requestUri">Uri to make OAuth request.</param>
/// <param name="tokens">Tokens to pass in request.</param>
/// <param name="boundary">Boundary used to separate data.</param>
/// <param name="content">Data to post to server.</param>
/// <returns>String result.</returns>
public async Task <string> ExecutePostMultipartAsync(Uri requestUri, TwitterOAuthTokens tokens, string boundary, byte[] content)
{
HttpClient client = GetHttpClient(requestUri, tokens, "POST");
MultipartFormDataContent multipartFormDataContent = new MultipartFormDataContent(boundary);
HttpContent byteContent = new ByteArrayContent(content);
multipartFormDataContent.Add(byteContent, "media");
HttpResponseMessage response = await client.PostAsync(requestUri, multipartFormDataContent);
string jsonResult = await response.Content.ReadAsStringAsync();
JObject jObj = JObject.Parse(jsonResult);
return(Convert.ToString(jObj["media_id_string"]));
}
/// <summary>
/// HTTP Post request to specified Uri.
/// </summary>
/// <param name="requestUri">Uri to make OAuth request.</param>
/// <param name="tokens">Tokens to pass in request.</param>
/// <param name="boundary">Boundary used to separate data.</param>
/// <param name="content">Data to post to server.</param>
/// <returns>String result.</returns>
public async Task <string> ExecutePostMultipartAsync(Uri requestUri, TwitterOAuthTokens tokens, string boundary, byte[] content)
{
JToken mediaId = null;
try
{
using (var multipartFormDataContent = new MultipartFormDataContent(boundary))
{
using (var byteContent = new ByteArrayContent(content))
{
multipartFormDataContent.Add(byteContent, "media");
using (var request = new HttpRequestMessage(HttpMethod.Post, requestUri))
{
var requestBuilder = new TwitterOAuthRequestBuilder(requestUri, tokens, "POST");
request.Headers.Authorization = AuthenticationHeaderValue.Parse(requestBuilder.AuthorizationHeader);
request.Content = multipartFormDataContent;
using (var response = await client.SendAsync(request).ConfigureAwait(false))
{
string jsonResult = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
JObject jObj = JObject.Parse(jsonResult);
mediaId = jObj["media_id_string"];
}
}
}
}
}
catch (ObjectDisposedException)
{
// known issue
// http://stackoverflow.com/questions/39109060/httpmultipartformdatacontent-dispose-throws-objectdisposedexception
}
return(mediaId.ToString());
}
/// <summary>
/// Initializes a new instance of the <see cref="TwitterDataProvider"/> class.
/// Constructor.
/// </summary>
/// <param name="tokens">OAuth tokens for request.</param>
public TwitterDataProvider(TwitterOAuthTokens tokens)
{
_tokens = tokens;
_vault = new PasswordVault();
}
