Example #1
        public SharePointAcsContext(Uri spHostUrl, Uri spAppWebUrl, string spLanguage, string spClientTag, string spProductNumber, string contextToken, SharePointContextToken contextTokenObj)
            : base(spHostUrl, spAppWebUrl, spLanguage, spClientTag, spProductNumber)
            if (string.IsNullOrEmpty(contextToken))
                throw new ArgumentNullException("contextToken");

            if (contextTokenObj == null)
                throw new ArgumentNullException("contextTokenObj");

            this.contextToken = contextToken;
            this.contextTokenObj = contextTokenObj;
Example #2
        /// <summary>
        /// Retrieves an access token from ACS to call the source of the specified context token at the specified 
        /// targetHost. The targetHost must be registered for the principal that sent the context token.
        /// </summary>
        /// <param name="contextToken">Context token issued by the intended access token audience</param>
        /// <param name="targetHost">Url authority of the target principal</param>
        /// <returns>An access token with an audience matching the context token's source</returns>
        public static OAuth2AccessTokenResponse GetAccessToken(SharePointContextToken contextToken, string targetHost)
            string targetPrincipalName = contextToken.TargetPrincipalName;

            // Extract the refreshToken from the context token
            string refreshToken = contextToken.RefreshToken;

            if (String.IsNullOrEmpty(refreshToken))
                return null;

            string targetRealm = Realm ?? contextToken.Realm;

            return GetAccessToken(refreshToken,