private static async Task<bool> ValidateAlias(UserCredentials credentials, string alias)
{
IExchangeResponse result = null;
await Task.Run(() =>
{
var connector = new ExchangeConnector();
result = connector.PerformExchangeRequest(credentials,
AccountSettingsViewModel.Instance.ServerUrl, alias, ExchangeRequestType.ValidateAlias);
});
return result != null && ((AliasValidationEnvelope) result).Body.Response.IsAliasUnique;
}
private static async Task<string> CreateGroup(UserCredentials credentials, string alias, string owner)
{
IExchangeResponse result = null;
await Task.Run(() =>
{
var connector = new ExchangeConnector();
result = connector.PerformExchangeRequest(credentials,
AccountSettingsViewModel.Instance.ServerUrl, alias, ExchangeRequestType.CreateGroup, new List<string> { owner });
});
if (result != null)
{
if (((GroupCreationEnvelope)result).Body.CreateUnifiedGroupResponseMessage.GroupIdentity != null &&
((GroupCreationEnvelope)result).Body.CreateUnifiedGroupResponseMessage.GroupIdentity.Type.ToLower() == "smtpaddress")
{
return ((GroupCreationEnvelope)result).Body.CreateUnifiedGroupResponseMessage.GroupIdentity.Value;
}
return string.Empty;
}
return string.Empty;
}
private static async Task<SetMemberEnvelope> AddMembersToGroup(UserCredentials credentials, string alias,
IEnumerable<string> members)
{
IExchangeResponse result = null;
// add a loop here and add error messages
await Task.Run(() =>
{
var connector = new ExchangeConnector();
result = connector.PerformExchangeRequest(credentials,
AccountSettingsViewModel.Instance.ServerUrl, alias, ExchangeRequestType.AddMember, members);
});
return (SetMemberEnvelope)result;
}
/// <summary>
/// Gets the concatenated username:password string required for the REST request.
/// </summary>
/// <param name="credentials">User credentials.</param>
/// <returns></returns>
private static string GetBasicAuthFormat(UserCredentials credentials)
{
return Convert.ToBase64String(
Encoding.UTF8.GetBytes(
string.Concat(credentials.Username, ":", credentials.Password)));
}
/// <summary>
/// Get the owner of an external distribution list.
/// </summary>
/// <param name="dl">Distribution list name (alias) without the domain.</param>
/// <param name="credentials">User credentials for service access.</param>
/// <param name="isValidDl">Indicates if there exists a DL with the alias.</param>
/// <returns></returns>
public string GetExternalDistributionListOwner(string dl, UserCredentials credentials, out bool isValidDl)
{
var owner = new StringBuilder();
isValidDl = false;
var secureString = new SecureString();
foreach (var c in credentials.Password)
secureString.AppendChar(c);
var credential = new PSCredential(credentials.Username, secureString);
var localUri = new Uri(AccountSettingsViewModel.Instance.ServerUrl);
var serverUrl = localUri.GetLeftPart(UriPartial.Authority);
var connectionInfo =
new WSManConnectionInfo(new Uri(string.Concat(serverUrl, "/powershell-liveid/")),
"Microsoft.Exchange", credential)
{
AuthenticationMechanism = AuthenticationMechanism.Basic,
SkipCACheck = true,
SkipCNCheck = true,
MaximumConnectionRedirectionCount = 4
};
try
{
var runspace = RunspaceFactory.CreateRunspace(connectionInfo);
runspace.Open();
Collection<PSObject> rsResultsresults = null;
using (var plPileLine = runspace.CreatePipeline())
{
var getGroupCommand = new Command(AppSetup.CmdletGetDistributionGroup);
getGroupCommand.Parameters.Add("Identity", dl);
plPileLine.Commands.Add(getGroupCommand);
rsResultsresults = plPileLine.Invoke();
if (rsResultsresults.Count == 1)
{
isValidDl = true;
var manager = rsResultsresults.First().Properties["ManagedBy"].Value;
var owners = manager.ToString().Split(' ');
owner.Append(owners[0]);
owner.Append('@');
plPileLine.Stop();
}
else if (rsResultsresults.Count == 0)
{
LoggingViewModel.Instance.Logger.Write(string.Concat("GetExternalDistributionListOwner ",
Environment.NewLine,
"DistributionListNotFound", Environment.NewLine, dl));
}
else
{
LoggingViewModel.Instance.Logger.Write(string.Concat("GetExternalDistributionListOwner ",
Environment.NewLine,
"NonUniqueDistributionListFound", Environment.NewLine, dl));
}
}
using (var plPileLine = runspace.CreatePipeline())
{
var getAutoritativeDomainCommand =
new Command(AppSetup.CmdletGetAuthoritativeDomain);
plPileLine.Commands.Add(getAutoritativeDomainCommand);
rsResultsresults = plPileLine.Invoke();
var filteredDomainResults =
rsResultsresults.Where(cr => ((string)cr.Properties["DomainType"].Value == "Authoritative"));
var authoritativeDomain = filteredDomainResults.First().Properties["DomainName"].Value;
owner.Append(authoritativeDomain);
plPileLine.Stop();
}
runspace.Close();
}
catch (Exception exception)
{
LoggingViewModel.Instance.Logger.Write(string.Concat("GetExternalDistributionListOwner ",
Environment.NewLine,
exception.Message, Environment.NewLine, exception.StackTrace, Environment.NewLine, dl));
}
return owner.ToString();
}
/// <summary>
/// Core method for performing EWS calls against the Exchange service.
/// </summary>
/// <param name="credentials">User credentials.</param>
/// <param name="exchangeUrl">URL to the EWS endpoint.</param>
/// <param name="param">Additional parameters that work with the specific request.</param>
/// <param name="requestType">Type of the EWS request.</param>
/// <param name="additionalParam">List of additional parameters needed for a request.</param>
/// <returns></returns>
public IExchangeResponse PerformExchangeRequest(UserCredentials credentials, string exchangeUrl, string param,
ExchangeRequestType requestType, IEnumerable<string> additionalParam = null)
{
var postContent = string.Empty;
Type type = null;
var authHeaderContent = GetBasicAuthFormat(credentials);
var request = (HttpWebRequest) WebRequest.Create(exchangeUrl);
request.Method = WebRequestMethods.Http.Post;
request.Headers.Add(HttpRequestHeader.Authorization, string.Concat("Basic ", authHeaderContent));
request.UserAgent = "Hummingbird";
request.ContentType = "text/xml";
switch (requestType)
{
case ExchangeRequestType.ValidateAlias:
{
LoggingViewModel.Instance.Logger.Write(string.Concat("ExchangeConnector:ValidateAlias ", param));
postContent = Resources.AliasValidationPOST.Replace(AppSetup.GroupIdFiller, param);
type = typeof (AliasValidationEnvelope);
break;
}
case ExchangeRequestType.CreateGroup:
{
LoggingViewModel.Instance.Logger.Write(string.Concat("ExchangeConnector:CreateGroup ", param));
postContent = Resources.GroupCreationPOST.Replace(AppSetup.GroupIdFiller, param);
var additionalParamList = additionalParam != null ? additionalParam.ToList() : null;
if (additionalParamList != null && additionalParamList.Count == 1)
{
postContent = postContent.Replace(AppSetup.OwnerSmtpFiller, additionalParamList[0]);
}
type = typeof (GroupCreationEnvelope);
break;
}
case ExchangeRequestType.GetUnifiedGroupDetails:
{
LoggingViewModel.Instance.Logger.Write(string.Concat("ExchangeConnector:GetGroupDetails ", param));
postContent = Resources.GetUnifiedGroupsPOST.Replace(AppSetup.GroupSmtpFiller, param);
type = typeof (GetUnifiedGroupEnvelope);
break;
}
case ExchangeRequestType.DeleteGroup:
{
postContent = Resources.DeleteGroupPOST;
type = null;
break;
}
case ExchangeRequestType.AddMember:
{
LoggingViewModel.Instance.Logger.Write(string.Concat("ExchangeConnector:AddMember ", param));
if (additionalParam != null)
{
using (
var addMemberEnvelopeStream =
new MemoryStream(Encoding.UTF8.GetBytes(Resources.SetUnifiedGroupMembersPOST)))
{
using (var reader = new StreamReader(addMemberEnvelopeStream))
{
var serializer = new XmlSerializer(typeof (AddMemberEnvelope));
var deserializedContent = (AddMemberEnvelope) serializer.Deserialize(reader);
deserializedContent.Body.SetUnifiedGroupMembershipState.Members =
new List<string>(additionalParam);
deserializedContent.Body.SetUnifiedGroupMembershipState.GroupIdentity.Value = param;
var ns = new XmlSerializerNamespaces();
ns.Add("s", "http://schemas.xmlsoap.org/soap/envelope/");
var xmlWriterSettings = new XmlWriterSettings { OmitXmlDeclaration = true };
using (var textWriter = new StringWriter())
{
using (var writer = XmlWriter.Create(textWriter, xmlWriterSettings))
{
serializer.Serialize(writer, deserializedContent, ns);
postContent = textWriter.ToString();
LoggingViewModel.Instance.Logger.Write(
string.Concat("ExchangeConnector:AddMemberPostContent ", postContent));
type = typeof (SetMemberEnvelope);
}
}
}
}
}
else
{
throw new ArgumentNullException("additionalParam",
Resources.ExchangeRequestAddMembersWithoutMembers);
}
break;
}
}
var processedPostContent = Encoding.UTF8.GetBytes(postContent);
request.ContentLength = processedPostContent.Length;
using (var requestStream = request.GetRequestStream())
{
requestStream.Write(processedPostContent, 0, processedPostContent.Length);
}
try
{
var response = (HttpWebResponse) request.GetResponse();
if (response.StatusCode == HttpStatusCode.OK)
{
using (var responseStream = response.GetResponseStream())
{
using (var reader = new StreamReader(responseStream))
{
var serializer = new XmlSerializer(type);
var translatedResponse = (IExchangeResponse) serializer.Deserialize(reader);
return translatedResponse;
}
}
}
}
catch (Exception exception)
{
LoggingViewModel.Instance.Logger.Write(string.Concat("ExchangeConnector:Error ", exception.Message,
Environment.NewLine,
exception.StackTrace));
}
return null;
}
/// <summary>
/// Encrypts and stores the user credentials locally.
/// </summary>
/// <param name="userName"></param>
/// <param name="password"></param>
/// <returns></returns>
internal bool StoreUserCredentials(string userName, string password)
{
byte[] credentialsData;
IFormatter objectFormatter = new BinaryFormatter();
var credentials = new UserCredentials {Username = userName, Password = password};
using (var stream = new MemoryStream())
{
objectFormatter.Serialize(stream, credentials);
credentialsData = stream.ToArray();
}
var encryptedData = ProtectedData.Protect(credentialsData, _container, DataProtectionScope.CurrentUser);
return WriteToLocalAppData(encryptedData);
}
private async Task<object> GetGroupInformation(UserCredentials credentials, string groupQualifiedName)
{
IExchangeResponse result = null;
await Task.Run(() =>
{
var connector = new ExchangeConnector();
result = connector.PerformExchangeRequest(credentials,
AccountSettingsViewModel.Instance.ServerUrl, groupQualifiedName, ExchangeRequestType.GetUnifiedGroupDetails);
});
return (GetUnifiedGroupEnvelope) result;
}
private static BulkAddMembersResult AddMembersToGroupSingleBatch(UserCredentials credentials, string alias,
IEnumerable<string> members)
{
var memberList = members.ToList();
var connector = new ExchangeConnector();
IExchangeResponse result = connector.PerformExchangeRequest(credentials,
AccountSettingsViewModel.Instance.ServerUrl, alias, ExchangeRequestType.AddMember, memberList);
var addMemberResult = new BulkAddMembersResult
{
StatusCode = result != null
? ((SetMemberEnvelope)result).Body.SetUnifiedGroupMembershipResponseMessage.ResponseCode
: string.Empty,
MemberCount = memberList.Count
};
if (addMemberResult.StatusCode.ToLower() != "noerror" && addMemberResult.StatusCode.ToLower() != "errorinvalidid")
{
addMemberResult.FailedMembers = memberList;
}
else if (result != null)
{
addMemberResult.FailedMembers = ((SetMemberEnvelope)result).Body.SetUnifiedGroupMembershipResponseMessage.FailedMembers;
addMemberResult.InvalidMembers = ((SetMemberEnvelope)result).Body.SetUnifiedGroupMembershipResponseMessage.InvalidMembers;
}
return addMemberResult;
}
private static async Task<BulkAddMembersResult[]> AddMembersToGroup(UserCredentials credentials, string alias,
List<string> members)
{
var tasks = new List<Task<BulkAddMembersResult>>();
var results = new List<BulkAddMembersResult>();
for (int i = 0; i < members.Count; i += AddMembersBatchSize)
{
IEnumerable<string> membersForBatch = members.Skip(i).Take(AddMembersBatchSize);
var task = Task.Run(() => AddMembersToGroupSingleBatch(credentials, alias, membersForBatch));
results.Add(await task);
}
return results.ToArray();
}
