public DropBoxStorageProviderSession(DropBoxToken token, DropBoxConfiguration config, OAuthConsumerContext consumerContext, IStorageProviderService service)
{
SessionToken = token;
ServiceConfiguration = config;
Service = service;
Context = consumerContext;
}
public String GetOAuthAuthorizationHeader(String resourceUrl, OAuthConsumerContext conContext, OAuthToken accessToken, Dictionary<String, String> parameter, String method)
{
var oAuth = new OAuthBase();
String normalizedUrl;
String normalizedRequestParameters;
var timestamp = oAuth.GenerateTimeStamp();
var nonce = oAuth.GenerateNonce();
var signature = oAuth.GenerateSignature(new Uri(resourceUrl),
conContext.ConsumerKey, conContext.ConsumerSecret,
accessToken == null ? string.Empty : accessToken.TokenKey, accessToken == null ? string.Empty : accessToken.TokenSecret,
method, timestamp, nonce,
conContext.SignatureMethod,
out normalizedUrl, out normalizedRequestParameters);
signature = HttpUtility.UrlEncode(signature);
var sb = new StringBuilder("OAuth");
sb.Append(", oauth_version=1.0");
sb.AppendFormat(", oauth_nonce={0}", nonce);
sb.AppendFormat(", oauth_timestamp={0}", timestamp);
sb.AppendFormat(", oauth_consumer_key={0}", conContext.ConsumerKey);
if (accessToken != null)
{
sb.AppendFormat(", , oauth_token={0}", accessToken.TokenKey);
}
sb.Append(", oauth_signature_method=\"HMAC-SHA1\"");
sb.AppendFormat(", oauth_signature={0}", signature);
return sb.ToString();
}
static private String GenerateSignedUrl(String baseRequestTokenUrl, String method, OAuthConsumerContext context, OAuthToken token)
{
String normalizedUrl;
String normalizedRequestParameters;
var oAuth = new OAuthBase();
string nonce = oAuth.GenerateNonce();
string timeStamp = oAuth.GenerateTimeStamp();
string sig = oAuth.GenerateSignature( new Uri(baseRequestTokenUrl),
context.ConsumerKey, context.ConsumerSecret,
token == null ? string.Empty : token.TokenKey, token == null ? string.Empty : token.TokenSecret,
method.ToString(), timeStamp, nonce,
context.SignatureMethod,
out normalizedUrl, out normalizedRequestParameters);
//
// The signature as self has to be encoded to be ensure that no not url compatibale characters
// will be used. The SHA1 hash can contain a bunch of this characters
//
sig = HttpUtility.UrlEncode(sig);
var sb = new StringBuilder(normalizedUrl);
sb.AppendFormat("?");
sb.AppendFormat(normalizedRequestParameters);
sb.AppendFormat("&oauth_signature={0}", sig);
return sb.ToString();
}
public GoogleDocsStorageProviderSession(IStorageProviderService service, ICloudStorageConfiguration configuration, OAuthConsumerContext context, ICloudStorageAccessToken token)
{
Service = service;
ServiceConfiguration = configuration;
Context = context;
SessionToken = token;
}
public virtual WebRequest CreateWebRequest(String url, String method, ICredentials credentials, Object context, OAuthConsumerContext conContext, OAuthToken accessToken, Dictionary<String, String> parameter)
{
// generate the signed url
String signedUrl = GetProtectedResourceUrl(url, conContext, accessToken, parameter, method);
// generate the web request as self
return CreateWebRequest(signedUrl, method, credentials, false, context);
}
public static GoogleDocsRequestToken GetGoogleDocsRequestToken(GoogleDocsConfiguration configuration, String consumerKey, String consumerSecret)
{
var consumerContext = new OAuthConsumerContext(consumerKey, consumerSecret);
var serviceContext = new OAuthServiceContext(GetRequestTokenUrl(configuration),
configuration.OAuthAuthorizeTokenUrl.ToString(),
configuration.AuthorizationCallBack.ToString(),
GetAccessTokenUrl(configuration, null));
var service = new OAuthService();
var token = service.GetRequestToken(serviceContext, consumerContext);
return token != null ? new GoogleDocsRequestToken(token) : null;
}
public static ICloudStorageAccessToken ExchangeGoogleDocsRequestTokenIntoAccessToken(GoogleDocsConfiguration configuration, String consumerKey, String consumerSecret, GoogleDocsRequestToken requestToken, String oAuthVerifier)
{
var consumerContext = new OAuthConsumerContext(consumerKey, consumerSecret);
var serviceContext = new OAuthServiceContext(configuration.OAuthGetRequestTokenUrl.ToString(),
configuration.OAuthAuthorizeTokenUrl.ToString(),
configuration.AuthorizationCallBack.ToString(),
GetAccessTokenUrl(configuration, oAuthVerifier));
var service = new OAuthService();
var accessToken = service.GetAccessToken(serviceContext, consumerContext, requestToken.RealToken);
if (accessToken == null) throw new UnauthorizedAccessException();
return new GoogleDocsToken(accessToken, consumerKey, consumerSecret);
}
/// <summary>
/// This method retrieves a new request token from the dropbox server
/// </summary>
/// <param name="configuration"></param>
/// <param name="ConsumerKey"></param>
/// <param name="ConsumerSecret"></param>
/// <returns></returns>
public static DropBoxRequestToken GetDropBoxRequestToken(DropBoxConfiguration configuration, String ConsumerKey, String ConsumerSecret)
{
// build the consumer context
var consumerContext = new OAuthConsumerContext(ConsumerKey, ConsumerSecret);
// build up the oauth session
var serviceContext = new OAuthServiceContext(configuration.RequestTokenUrl.ToString(),
configuration.AuthorizationTokenUrl.ToString(), configuration.AuthorizationCallBack.ToString(),
configuration.AccessTokenUrl.ToString());
// get a request token from the provider
var svc = new OAuthService();
var oauthToken = svc.GetRequestToken(serviceContext, consumerContext);
return oauthToken != null ? new DropBoxRequestToken(oauthToken) : null;
}
static public String GenerateSignedUrl(String baseResourceUrl, String method, OAuthConsumerContext context, OAuthToken token, Dictionary<String, String> urlParameter)
{
var sb = new StringBuilder(baseResourceUrl);
if (urlParameter != null)
{
sb.Append('?');
foreach (KeyValuePair<String, String> kvp in urlParameter)
{
if ( sb[sb.Length - 1] == '?' )
sb.AppendFormat("{0}={1}", kvp.Key, OAuthBase.UrlEncode(kvp.Value));
else
sb.AppendFormat("&{0}={1}", kvp.Key, OAuthBase.UrlEncode(kvp.Value));
}
}
return GenerateSignedUrl(sb.ToString(), method, context, token);
}
/// <summary>
/// This method is able to exchange the request token into an access token which can be used in
/// sharpbox. It is necessary that the user validated the request via authorization url otherwise
/// this call wil results in an unauthorized exception!
/// </summary>
/// <param name="configuration"></param>
/// <param name="ConsumerKey"></param>
/// <param name="ConsumerSecret"></param>
/// <param name="DropBoxRequestToken"></param>
/// <returns></returns>
public static ICloudStorageAccessToken ExchangeDropBoxRequestTokenIntoAccessToken(DropBoxConfiguration configuration, String ConsumerKey, String ConsumerSecret, DropBoxRequestToken DropBoxRequestToken)
{
// build the consumer context
var consumerContext = new OAuthConsumerContext(ConsumerKey, ConsumerSecret);
// build up the oauth session
var serviceContext = new OAuthServiceContext(configuration.RequestTokenUrl.ToString(),
configuration.AuthorizationTokenUrl.ToString(), configuration.AuthorizationCallBack.ToString(),
configuration.AccessTokenUrl.ToString());
// build the access token
var svc = new OAuthService();
var accessToken = svc.GetAccessToken(serviceContext, consumerContext, DropBoxRequestToken.RealToken);
if (accessToken == null)
throw new UnauthorizedAccessException();
// create the access token
return new DropBoxToken(accessToken,
new DropBoxBaseTokenInformation
{
ConsumerKey = ConsumerKey,
ConsumerSecret = ConsumerSecret
});
}
/// <summary>
/// This method offers the mobile login api of dropbox for users who are migrating from version 0 of the
/// dropbox API because version 1 supports token based logins only
/// </summary>
/// <param name="username"></param>
/// <param name="password"></param>
/// <param name="appkey"></param>
/// <param name="appsecret"></param>
/// <returns></returns>
public static ICloudStorageAccessToken LoginWithMobileAPI(String username, String password, String appkey, String appsecret)
{
// get the configuration
var configuration = DropBoxConfiguration.GetStandardConfiguration();
// build the consumer context
var consumerContext = new OAuthConsumerContext(appkey, appsecret);
// build up the oauth session
var serviceContext = new OAuthServiceContext(configuration.RequestTokenUrl.ToString(),
configuration.AuthorizationTokenUrl.ToString(), configuration.AuthorizationCallBack.ToString(),
configuration.AccessTokenUrl.ToString());
// get a request token from the provider
var svc = new OAuthService();
var oAuthRequestToken = svc.GetRequestToken(serviceContext, consumerContext);
if (oAuthRequestToken == null)
{
throw new SharpBoxException(SharpBoxErrorCodes.ErrorInvalidConsumerKeySecret);
}
var DropBoxRequestToken = new DropBoxToken(oAuthRequestToken, new DropBoxBaseTokenInformation {ConsumerKey = appkey, ConsumerSecret = appsecret});
// generate the dropbox service
var service = new DropBoxStorageProviderService();
// build up a request Token Session
var requestSession = new DropBoxStorageProviderSession(DropBoxRequestToken, configuration, consumerContext, service);
// build up the parameters
var param = new Dictionary<String, String>
{
{"email", username},
{"password", password}
};
// call the mobile login api
var result = "";
try
{
int code;
result = DropBoxRequestParser.RequestResourceByUrl(DropBoxMobileLogin, param, service, requestSession, out code);
if (result.Length == 0)
throw new UnauthorizedAccessException();
}
#if MONOTOUCH || WINDOWS_PHONE || MONODROID
catch (Exception ex)
{
if (ex is UnauthorizedAccessException)
throw ex;
else
throw new SharpBoxException(SharpBoxErrorCodes.ErrorCouldNotContactStorageService, ex);
}
#else
catch (System.Web.HttpException netex)
{
throw new SharpBoxException(SharpBoxErrorCodes.ErrorCouldNotContactStorageService, netex);
}
#endif
// exchange a request token for an access token
var accessToken = new DropBoxToken(result);
// adjust the token
if (accessToken.BaseTokenInformation == null)
{
accessToken.BaseTokenInformation = new DropBoxBaseTokenInformation
{
ConsumerKey = appkey,
ConsumerSecret = appsecret
};
}
// go ahead
return accessToken;
}
static public String GenerateAccessTokenUrl(String baseAccessTokenUrl, OAuthConsumerContext context, OAuthToken requestToken)
{
return GenerateSignedUrl(baseAccessTokenUrl, WebRequestMethodsEx.Http.Get, context, requestToken);
}
static public String GenerateRequestTokenUrl(String baseRequestTokenUrl, OAuthConsumerContext context)
{
return GenerateSignedUrl(baseRequestTokenUrl, WebRequestMethodsEx.Http.Get, context, null);
}
public DropBoxStorageProviderSession BuildSessionFromAccessToken(DropBoxToken token, DropBoxConfiguration configuration)
{
// build the consumer context
var consumerContext = new OAuthConsumerContext(token.BaseTokenInformation.ConsumerKey, token.BaseTokenInformation.ConsumerSecret);
// build the session
var session = new DropBoxStorageProviderSession(token, configuration, consumerContext, this);
// go aahead
return session;
}
public String GetSignedUrl(String resourceUrl, OAuthConsumerContext conContext, OAuthToken accessToken, Dictionary<String, String> parameter)
{
return OAuthUrlGenerator.GenerateSignedUrl(resourceUrl, WebRequestMethodsEx.Http.Post, conContext, accessToken, parameter);
}
public String GetProtectedResourceUrl(String resourceUrl, OAuthConsumerContext conContext, OAuthToken accessToken, Dictionary<String, String> parameter, String webMethod)
{
// build url
return OAuthUrlGenerator.GenerateSignedUrl(resourceUrl, webMethod, conContext, accessToken, parameter);
}
public OAuthToken GetAccessToken(OAuthServiceContext svcContext, OAuthConsumerContext conContext, OAuthToken requestToken)
{
String url = OAuthUrlGenerator.GenerateAccessTokenUrl(svcContext.AccessTokenUrl, conContext, requestToken);
return GetToken(url);
}
public OAuthToken GetRequestToken(OAuthServiceContext svcContext, OAuthConsumerContext conContext)
{
String url = OAuthUrlGenerator.GenerateRequestTokenUrl(svcContext.RequestTokenUrl, conContext);
return GetToken(url);
}