/// <summary>
/// Asynchronously gets an HTTP connection to an innovator instance (or proxy) at the given URL
/// </summary>
/// <param name="preferences">Object containing preferences for the connection</param>
/// <param name="async">Whether or not to return the connection asynchronously. This is important
/// as an HTTP request must be issued to determine the type of connection to create</param>
/// <returns>A promise to return a connection object</returns>
public static IPromise <IRemoteConnection> GetConnection(ConnectionPreferences preferences, bool async)
{
preferences = preferences ?? new ConnectionPreferences();
var url = preferences.Url;
url = (url ?? "").TrimEnd('/');
if (url.EndsWith("Server/InnovatorServer.aspx", StringComparison.OrdinalIgnoreCase))
{
url = url.Substring(0, url.Length - 21);
}
if (!url.EndsWith("/server", StringComparison.OrdinalIgnoreCase))
{
url += "/Server";
}
var configUrl = url + "/mapping.xml";
var service = preferences.HttpService ?? ConnectionPreferences.GetService();
Func <ServerMapping, IRemoteConnection> connFactory = m =>
{
var uri = (m.Url ?? "").TrimEnd('/');
if (!uri.EndsWith("/server", StringComparison.OrdinalIgnoreCase))
{
url += "/Server";
}
switch (m.Type)
{
case ServerType.Proxy:
throw new NotSupportedException();
default:
return(ArasConn(service, uri, preferences));
}
};
var result = new Promise <IRemoteConnection>();
var req = new HttpRequest
{
UserAgent = preferences.Headers.UserAgent
};
req.SetHeader("Accept", "text/xml");
foreach (var header in preferences.Headers.NonUserAgentHeaders())
{
req.SetHeader(header.Key, header.Value);
}
var trace = new LogData(4, "Innovator: Try to download mapping file", Factory.LogListener)
{
{ "url", configUrl },
};
result.CancelTarget(service.GetPromise(new Uri(configUrl), async, trace, req)
.Progress((p, m) => result.Notify(p, m))
.Done(r =>
{
var data = r.AsString();
if (string.IsNullOrEmpty(data))
{
result.Resolve(ArasConn(service, url, preferences));
}
else
{
try
{
var servers = ServerMapping.FromXml(data).ToArray();
if (servers.Length < 1)
{
result.Resolve(ArasConn(service, url, preferences));
}
else if (servers.Length == 1)
{
result.Resolve(connFactory(servers.Single()));
}
else
{
foreach (var server in servers)
{
server.Factory = connFactory;
}
result.Resolve(new MappedConnection(servers, preferences.AuthCallback));
}
}
catch (XmlException)
{
result.Resolve(ArasConn(service, url, preferences));
}
}
}).Fail(ex =>
{
result.Resolve(ArasConn(service, url, preferences));
})).Always(trace.Dispose);
if (preferences.Credentials != null)
{
IRemoteConnection conn = null;
return(result
.Continue(c =>
{
conn = c;
return c.Login(preferences.Credentials, async);
})
.Convert(u => conn));
}
return(result);
}
private IPromise <ICredentials> DefaultAuthCallback(INetCredentials netCred, string endpoint, bool async)
{
var promise = new Promise <ICredentials>();
if (string.IsNullOrEmpty(endpoint))
{
promise.Resolve(netCred);
}
else
{
var handler = new SyncClientHandler()
{
Credentials = netCred.Credentials,
PreAuthenticate = true
};
var http = new SyncHttpClient(handler);
var endpointUri = new Uri(endpoint + "?db=" + netCred.Database);
var trace = new LogData(4, "Innovator: Authenticate user via mapping", Factory.LogListener)
{
{ "database", netCred.Database },
{ "user_name", netCred.Credentials.GetCredential(endpointUri, null).UserName },
{ "url", endpointUri },
};
http.GetPromise(endpointUri, async, trace)
.Done(r =>
{
var res = r.AsXml().DescendantsAndSelf("Result").FirstOrDefault();
var user = res.Element("user").Value;
var pwd = res.Element("password").Value;
if (pwd.IsNullOrWhiteSpace())
{
promise.Reject(new ArgumentException("Failed to authenticate with Innovator server '" + endpoint + "'. Original error: " + user, "credentials"));
}
var needHash = !string.Equals(res.Element("hash").Value, "false", StringComparison.OrdinalIgnoreCase);
if (needHash)
{
promise.Resolve(new ExplicitCredentials(netCred.Database, user, pwd));
}
else
{
promise.Resolve(new ExplicitHashCredentials(netCred.Database, user, pwd));
}
}).Fail(ex =>
{
// Only hard fail for problems which aren't time outs and not found issues.
var webEx = ex as HttpException;
if (webEx != null && webEx.Response.StatusCode == HttpStatusCode.NotFound)
{
promise.Resolve(netCred);
}
else if (webEx != null && webEx.Response.StatusCode == HttpStatusCode.Unauthorized)
{
promise.Reject(ElementFactory.Local.ServerException("Invalid username or password"));
}
else if (webEx != null)
{
try
{
var result = ElementFactory.Local.FromXml(webEx.Response.AsStream);
if (result.Exception != null)
{
promise.Reject(result.Exception);
}
else
{
promise.Reject(ex);
}
}
catch (Exception)
{
promise.Reject(ex);
}
}
else if (ex is TaskCanceledException)
{
promise.Resolve(netCred);
}
else
{
promise.Reject(ex);
}
}).Always(trace.Dispose);
}
return(promise);
}
public override IPromise <Stream> Commit(bool async)
{
if (Status != UploadStatus.Pending)
{
return(_lastPromise);
}
Status = UploadStatus.Committed;
// No transaction has been started
if (_transactionId == null && !Files.Any(f => f.UploadPromise != null))
{
_lastPromise = UploadAndApply(async);
}
else
{
var transactionId = default(string);
_lastPromise = BeginTransaction(async)
.Continue(t =>
{
transactionId = t;
return(Promises.All(Files
.Select(f => f.UploadPromise ?? UploadFile(f, async))
.ToArray()));
})
.Continue(l =>
{
var aml = this.ToNormalizedAml(_conn.AmlContext.LocalizationContext);
var content = new FormContent
{
{
"XMLData",
"<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:i18n=\"http://www.aras.com/I18N\"><SOAP-ENV:Body><ApplyItem>"
+ aml
+ "</ApplyItem></SOAP-ENV:Body></SOAP-ENV:Envelope>"
}
};
var req = new HttpRequest()
{
Content = content
};
_conn.SetDefaultHeaders(req.SetHeader);
foreach (var ac in _conn.DefaultSettings)
{
ac.Invoke(req);
}
Settings?.Invoke(req);
req.SetHeader("SOAPAction", "CommitTransaction");
req.SetHeader("VAULTID", Vault.Id);
req.SetHeader("transactionid", transactionId);
var trace = new LogData(4
, "Innovator: Execute vault query"
, LogListener ?? Factory.LogListener
, Parameters)
{
{ "aras_url", _conn.MapClientUrl("../../Server") },
{ "database", _conn.Database },
{ "query", aml },
{ "soap_action", "CommitTransaction" },
{ "url", Vault.Url },
{ "user_id", _conn.UserId },
{ "vault_id", Vault.Id },
{ "version", _conn.Version }
};
return(Vault.HttpClient.PostPromise(new Uri(Vault.Url), async, req, trace).Always(trace.Dispose));
})
.Convert(r => r.AsStream);
}
return(_lastPromise);
}
/// <summary>
/// Uploads the files and applies the AML in a single transaction
/// </summary>
/// <param name="async">Whether to perform this action asynchronously</param>
/// <returns>A promise to return an XML SOAP response as a <see cref="System.IO.Stream"/></returns>
internal IPromise <Stream> UploadAndApply(string soapAction, string aml, IEnumerable <CommandFile> files, bool async)
{
return(_conn.FetchVersion(async).Continue(v =>
{
return Vault.TransformUrl(_conn, async).Continue(u =>
{
// Compile the headers and AML query into the appropriate content
HttpRequest req;
var content = new FormContent
{
{
"XMLdata",
"<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:i18n=\"http://www.aras.com/I18N\"><SOAP-ENV:Body><ApplyItem>" +
aml +
"</ApplyItem></SOAP-ENV:Body></SOAP-ENV:Envelope>"
}
};
foreach (var file in files)
{
content.Add(file.AsContent(this, _conn.AmlContext.LocalizationContext, true).Single());
}
content.Compression = _conn.Compression;
if (_conn.Version >= new Version(12, 0, 9))
{
req = GetUploadRequest12sp09(content, soapAction);
}
else
{
req = GetUploadRequestLegacy(content, soapAction);
}
foreach (var ac in _conn.DefaultSettings)
{
ac.Invoke(req);
}
Settings?.Invoke(req);
req.Headers.TransferEncodingChunked = true;
var trace = new LogData(4
, "Innovator: Execute query"
, LogListener ?? Factory.LogListener
, Parameters)
{
{ "aras_url", _conn.MapClientUrl("../../Server") },
{ "database", _conn.Database },
{ "query", aml },
{ "soap_action", soapAction },
{ "url", Vault.Url },
{ "user_id", _conn.UserId },
{ "vault_id", Vault.Id },
{ "version", _conn.Version }
};
_conn.SetDefaultHeaders((name, value) =>
{
if (string.Equals(name, "LOCALE", StringComparison.OrdinalIgnoreCase) ||
string.Equals(name, "TIMEZONE_NAME", StringComparison.OrdinalIgnoreCase))
{
trace.Add(name.ToLowerInvariant(), value);
}
});
return Vault.HttpClient
.PostPromise(new Uri(Vault.Url), async, req, trace)
.Always(trace.Dispose)
.Always(req.Dispose);
}).Convert(r => r.AsStream);
}));
}
