Preventing that the Photobucket login is shown while using the Dynamic-Destination picker "mouse-over".

git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2505 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4

GreenshotPhotobucketPlugin/PhotobucketDestination.cs

@@ -75,7 +75,11 @@ namespace GreenshotPhotobucketPlugin  {
 		}
 
 		public override IEnumerable<IDestination> DynamicDestinations() {
-			List<string> albums = PhotobucketUtils.RetrievePhotobucketAlbums();
+			List<string> albums = null;
+			try {
+				albums = PhotobucketUtils.RetrievePhotobucketAlbums();
+			} catch {
+			}
 
 			if (albums == null || albums.Count == 0) {
 				yield break;

GreenshotPhotobucketPlugin/PhotobucketUtils.cs

@@ -47,8 +47,10 @@ namespace GreenshotPhotobucketPlugin {
 				albumPath = "!";
 			}
 
-			OAuthSession oAuth = createSession();
-
+			OAuthSession oAuth = createSession(true);
+			if (oAuth == null) {
+				return null;
+			}
 			IDictionary<string, object> signedParameters = new Dictionary<string, object>();
 			// add album
 			if (albumPath == null) {
@@ -83,6 +85,9 @@ namespace GreenshotPhotobucketPlugin {
 					config.TokenSecret = oAuth.TokenSecret;
 				}
 			}
+			if (responseString == null) {
+				return null;
+			}
 			LOG.Info(responseString);
 			PhotobucketInfo PhotobucketInfo = PhotobucketInfo.FromUploadResponse(responseString);
 			LOG.Debug("Upload to Photobucket was finished");
@@ -93,8 +98,9 @@ namespace GreenshotPhotobucketPlugin {
 		/// Helper method to create an OAuth session object for contacting the Photobucket API
 		/// </summary>
 		/// <returns>OAuthSession</returns>
-		private static OAuthSession createSession() {
+		private static OAuthSession createSession(bool autoLogin) {
 			OAuthSession oAuth = new OAuthSession(PhotobucketCredentials.ConsumerKey, PhotobucketCredentials.ConsumerSecret);
+			oAuth.AutoLogin = autoLogin;
 			oAuth.CheckVerifier = false;
 			// This url is configured in the Photobucket API settings in the Photobucket site!!
 			oAuth.CallbackUrl = "http://getgreenshot.org";
@@ -108,6 +114,9 @@ namespace GreenshotPhotobucketPlugin {
 
 			oAuth.LoginTitle = "Photobucket authorization";
 			if (string.IsNullOrEmpty(config.SubDomain) || string.IsNullOrEmpty(config.Token) || string.IsNullOrEmpty(config.Username)) {
+				if (!autoLogin) {
+					return null;
+				}
 				if (!oAuth.Authorize()) {
 					return null;
 				}
@@ -140,8 +149,10 @@ namespace GreenshotPhotobucketPlugin {
 			}
 			string responseString;
 
-			OAuthSession oAuth = createSession();
-
+			OAuthSession oAuth = createSession(false);
+			if (oAuth == null) {
+				return null;
+			}
 			IDictionary<string, object> signedParameters = new Dictionary<string, object>();
 			try {
 				string apiUrl = string.Format("http://api.photobucket.com/album/{0}", config.Username);
@@ -157,6 +168,9 @@ namespace GreenshotPhotobucketPlugin {
 					config.TokenSecret = oAuth.TokenSecret;
 				}
 			}
+			if (responseString == null) {
+				return null;
+			}
 			try {
 				XmlDocument doc = new XmlDocument();
 				doc.LoadXml(responseString);

GreenshotPlugin/Core/OAuthHelper.cs

@@ -192,6 +192,11 @@ namespace GreenshotPlugin.Core {
 			}
 		}
 
+		public bool AutoLogin {
+			get;
+			set;
+		}
+		
 		#endregion
 
 		/// <summary>
@@ -206,6 +211,7 @@ namespace GreenshotPlugin.Core {
 			this.RequestTokenMethod = HTTPMethod.GET;
 			this.AccessTokenMethod = HTTPMethod.GET;
 			this.SignatureType = OAuthSignatureTypes.HMACSHA1;
+			this.AutoLogin = true;
 		}
 
 		/// <summary>
@@ -307,7 +313,7 @@ namespace GreenshotPlugin.Core {
 			}
 			Sign(RequestTokenMethod, RequestTokenUrl, parameters);
 			string response = MakeRequest(RequestTokenMethod, RequestTokenUrl, null, parameters, null);
-			if (response.Length > 0) {
+			if (response != null && response.Length > 0) {
 				response = NetworkHelper.UrlDecode(response);
 				LOG.DebugFormat("Request token response: {0}", response);
 				requestTokenResponseParameters = NetworkHelper.ParseQueryString(response);
@@ -366,7 +372,7 @@ namespace GreenshotPlugin.Core {
 			IDictionary<string, object> parameters = new Dictionary<string, object>();
 			Sign(AccessTokenMethod, AccessTokenUrl, parameters);
 			string response = MakeRequest(AccessTokenMethod, AccessTokenUrl, null, parameters, null);
-			if (response.Length > 0) {
+			if (response != null && response.Length > 0) {
 				response = NetworkHelper.UrlDecode(response);
 				LOG.DebugFormat("Access token response: {0}", response);
 				accessTokenResponseParameters = NetworkHelper.ParseQueryString(response);
@@ -480,7 +486,7 @@ namespace GreenshotPlugin.Core {
 			while (retries-- > 0) {
 				// If we are not trying to get a Authorization or Accestoken, and we don't have a token, create one
 				if (string.IsNullOrEmpty(Token)) {
-					if (!Authorize()) {
+					if (!AutoLogin || !Authorize()) {
 						throw new Exception("Not authorized");
 					}
 				}
@@ -709,10 +715,16 @@ namespace GreenshotPlugin.Core {
 				webRequest.ContentLength = 0;
 			}
 
-			string responseData = NetworkHelper.GetResponse(webRequest);
+			string responseData = null;
+			try {
+				responseData = NetworkHelper.GetResponse(webRequest);
 				LOG.DebugFormat("Response: {0}", responseData);
-
+			} catch (Exception ex) {
+				LOG.Error("Couldn't retrieve response: ", ex);
+				throw;
+			} finally {
 				webRequest = null;
+			}
 
 			return responseData;
 		}