// New v33
public async Task<string> GetUserToken()
{
requestUserTokenRequest rutin = new requestUserTokenRequest();
rutin.username = App.pd.plUserName;
rutin.password = App.pd.plPassword;
requestUserTokenResponse rutout = new requestUserTokenResponse();
try
{
SetPLEndpointAddress(App.pl); //read the configured endpoint address
if(App.BlockWebServices)
throw new Exception(PHONY_COMMUNICATIONS_EXCEPTION);
rutout = await App.pl.requestUserTokenAsync(rutin);
}
catch (Exception e)
{
return "ERROR: " + e.Message;
}
if (rutout.errorCode != 0)// was v33: if (rutout.errorCode != "0")
return PackageErrorString(rutout.errorCode.ToString(), rutout.errorMessage); // was v33: rutout.errorCode, ...
return ChangeToErrorIfNull(rutout.token);
}
// See also GetUserToken() above
/// <summary>
/// Verifies PL credentials. If successful, also sets App.pd.plToken
/// </summary>
/// <returns>Error message or empty string</returns>
public async Task<string> VerifyPLCredentials(string username, string password, bool hospitalStaffOrAdminOnly)
{
string errorCode = "";
string errorMessage = "";
string exceptionMessage = "";
// was before PLUS v33:
//bool valid = false;
//checkUserAuthHospitalRequest cuahin = new checkUserAuthHospitalRequest();
//checkUserAuthHospitalResponse cuahout = new checkUserAuthHospitalResponse();
//checkUserAuthRequest cuain = new checkUserAuthRequest();
//checkUserAuthResponse cuaout = new checkUserAuthResponse();
requestUserTokenRequest rutin = new requestUserTokenRequest();
requestUserTokenResponse rutout = new requestUserTokenResponse();
try
{
SetPLEndpointAddress(App.pl); //read the configured endpoint address
if(App.BlockWebServices)
throw new Exception(PHONY_COMMUNICATIONS_EXCEPTION);
#if v32_OR_EARLIER
if (hospitalStaffOrAdminOnly)
{
cuahin.username = username;
cuahin.password = password;
cuahout = await App.pl.checkUserAuthHospitalAsync(cuahin);
valid = cuahout.valid;
errorCode = cuahout.errorCode;
errorMessage = cuahout.errorMessage;
}
else
{
cuain.username = username;
cuain.password = password;
cuaout = await App.pl.checkUserAuthAsync(cuain);
valid = cuaout.valid;
errorCode = cuaout.errorCode;
errorMessage = cuaout.errorMessage;
}
#endif
rutin.username = username;
rutin.password = password;
rutout = await App.pl.requestUserTokenAsync(rutin);
// Do below, only if successful: App.pd.plToken = rutout.token;
//MAYBE TO DO AS NEEDED: groupIdPL = rutout.groupIdPL;
errorCode = rutout.errorCode.ToString(); // v33: was rutout.errorCode
errorMessage = rutout.errorMessage;
}
catch (Exception e)
{
// Can't await (e.g., for MessageDialog) in catch, so just format string here.
exceptionMessage =
"ERROR - Technical details:\n" +
e.Message + "\n";
// Typical if web services are down, or value in OtherSettings.xml is wrong:
// "There was no endpoint listening at https://plbreak.nlm.nih.gov/?wsdl&api=1.9.6 that could accept the message.
// This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details."
if (e.InnerException != null && e.InnerException.Message != null && e.InnerException.Message.Length > 0)
exceptionMessage +=
"More Technical Details (from Inner Exception):\n" +
e.InnerException.Message + "\n";
}
if (exceptionMessage.Length > 0)
{
// Caution: code elsewhere looks for "COMMUNICATIONS ERROR:" prefix.
if (exceptionMessage.Contains("403"))
{
// New v33 exception seen -
// Outer exception message: The HTTP request was forbidden with client authentication scheme 'Anonymous'.
// Inner exception message: The remote server returned an error: (403) Forbidden.
errorMessage =
"COMMUNICATIONS ERROR: When trying to authenticate TriageTrak credentials.\n\n" +
"You are currently forbidden access to TriageTrak web services.\n" +
"Most likely this is due to too many bad login attempts recently from this device.\n" +
"To regain access in a timely manner, ask your TriageTrak administrator to\n" +
"remove this device's IP address from the 'banned' list.\n\n" +
"Want to see additional technical details?\n";
// We could try to look up the IP address here, using one of techniques as given in:
// http://stackoverflow.com/questions/1069103/how-to-get-my-own-ip-address-in-c
// http://stackoverflow.com/questions/4566403/how-to-get-internet-ip-address-from-c-sharp-windows-app?lq=1
// Or maybe there needs to be a TriageTrak web service for this?
}
else
{
errorMessage =
"COMMUNICATIONS ERROR: When trying to authenticate TriageTrak credentials.\n\n" +
"Possible general causes:\n" +
"No wireless/wired network connection, TriageTrak web site is down, TriageTrak web services are disabled, or\n" +
"there is a wrong value in the OtherSetting.xml file.\n\n" +
"Want to see additional technical details?\n";
}
bool showMore = false;
var md = new MessageDialog(errorMessage);
md.Commands.Add(new UICommand("Yes", (UICommandInvokedHandler) => { showMore = true; }));
md.Commands.Add(new UICommand("No"));
md.DefaultCommandIndex = 1; // No
await md.ShowAsync();
if (showMore)
{
var dlg = new MessageDialog(exceptionMessage);
await dlg.ShowAsync();
}
return errorMessage + exceptionMessage;
}
if (errorCode != "0") // was before v33: || !valid)
return PackageErrorString(errorCode, errorMessage);
App.pd.plToken = rutout.token;
App.MyAssert(App.pd.plToken != null && App.pd.plToken.Length == 128); // Check added for Release 6, after seeing PLUS service problems. Token is 128 char long SHA-512
//MAYBE TO DO AS NEEDED: groupIdPL = rutout.groupIdPL;
return "";
}
