Beispiel #1
0
        /// <summary>
        /// Acquires credentials via the registered callbacks.
        /// <para/>
        /// Returns `<see cref="Credential"/>` from the authentication object, authority or storage if successful; otherwise `<see langword="null"/>`.
        /// </summary>
        /// <param name="targetUri">
        /// The uniform resource indicator used to uniquely identify the credentials.
        /// </param>
        public async Task <Credential> AcquireCredentials(TargetUri targetUri)
        {
            if (targetUri is null)
            {
                throw new ArgumentNullException(nameof(targetUri));
            }

            if (_ntlmSupport != NtlmSupport.Never)
            {
                // Get the WWW-Authenticate headers (if any).
                if (_httpAuthenticateOptions == null)
                {
                    _httpAuthenticateOptions = await WwwAuthenticateHelper.GetHeaderValues(Context, targetUri);
                }

                // If the headers contain NTLM as an option, then fall back to NTLM.
                if (_httpAuthenticateOptions.Any(x => WwwAuthenticateHelper.IsNtlm(x)))
                {
                    Trace.WriteLine($"'{targetUri}' supports NTLM, sending NTLM credentials instead");

                    return(NtlmCredentials);
                }
            }

            Credential credentials = null;

            if (_ntlmSupport != NtlmSupport.Always && _acquireCredentials != null)
            {
                Trace.WriteLine($"prompting user for credentials for '{targetUri}'.");

                credentials = _acquireCredentials(targetUri);

                if (_acquireResult != null)
                {
                    AcquireCredentialResult result = (credentials == null)
                        ? AcquireCredentialResult.Failed
                        : AcquireCredentialResult.Suceeded;

                    _acquireResult(targetUri, result);
                }
            }

            // If credentials have been acquired, write them to the secret store.
            if (credentials != null)
            {
                await _credentialStore.WriteCredentials(targetUri, credentials);
            }

            return(credentials);
        }
        /// <summary>
        /// Acquires credentials via the registered callbacks.
        /// </summary>
        /// <param name="targetUri">
        /// The uniform resource indicator used to uniquely identify the credentials.
        /// </param>
        /// <returns>
        /// If successful a <see cref="Credential"/> object from the authentication object, authority
        /// or storage; otherwise <see langword="null"/>.
        /// </returns>
        public async Task <Credential> AcquireCredentials(TargetUri targetUri)
        {
            BaseSecureStore.ValidateTargetUri(targetUri);

            if (_ntlmSupport != NtlmSupport.Never)
            {
                // get the WWW-Authenticate headers (if any)
                if (_httpAuthenticateOptions == null)
                {
                    _httpAuthenticateOptions = await WwwAuthenticateHelper.GetHeaderValues(targetUri);
                }

                // if the headers contain NTML as an option, then fall back to NTLM
                if (_httpAuthenticateOptions.Any(x => WwwAuthenticateHelper.IsNtlm(x)))
                {
                    Git.Trace.WriteLine($"'{targetUri}' supports NTLM, sending NTLM credentials instead");

                    return(NtlmCredentials);
                }
            }

            Credential credentials = null;

            if (_ntlmSupport != NtlmSupport.Always && _acquireCredentials != null)
            {
                Git.Trace.WriteLine($"prompting user for credentials for '{targetUri}'.");

                credentials = _acquireCredentials(targetUri);

                if (_acquireResult != null)
                {
                    AcquireCredentialResult result = (credentials == null)
                        ? AcquireCredentialResult.Failed
                        : AcquireCredentialResult.Suceeded;

                    _acquireResult(targetUri, result);
                }
            }

            // If credentials have been acquired, write them to the secret store.
            if (credentials != null)
            {
                _credentialStore.WriteCredentials(targetUri, credentials);
            }

            return(credentials);
        }