source: cprs/branches/HealthSevak-CPRS/BDK50/BDK32_P50/Source/CCOWRPCBroker.pas@ 1698

Last change on this file since 1698 was 1691, checked in by healthsevak, 10 years ago

Committing the files for first time to this new branch
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1{ **************************************************************
2 Package: XWB - Kernel RPCBroker
3 Date Created: Sept 18, 1997 (Version 1.1)
4 Site Name: Oakland, OI Field Office, Dept of Veteran Affairs
5 Developers: Danila Manapsal, Don Craven, Joel Ivey
6 Description: Contains TRPCBroker and related components.
7 Current Release: Version 1.1 Patch 47 (Jun. 17, 2008)
8*************************************************************** }
9
10{**************************************************
11This is the hierarchy of things:
12 TRPCBroker contains
13 TParams, which contains
14 array of TParamRecord each of which contains
15 TMult
16
17v1.1*4 Silent Login changes (DCM) 10/22/98
18
191.1*6 Polling to support terminating arphaned server jobs. (P6)
20 == DPC 4/99
21
221.1*8 Check for Multi-Division users. (P8) - REM 7/13/99
23
241.1*13 More silent login code; deleted obsolete lines (DCM) 9/10/99 // p13
25LAST UPDATED: 5/24/2001 // p13 JLI
26
271.1*31 Added new read only property BrokerVersion to TRPCBroker which
28 should contain the version number for the RPCBroker
29 (or SharedRPCBroker) in use.
30**************************************************}
31unit CCOWRPCBroker;
32
33interface
34
35{$I IISBase.inc}
36
37uses
38 {Delphi standard}
39 Classes, Controls, Dialogs, {DsgnIntf,} Forms, Graphics, Messages, SysUtils,
40 WinProcs, WinTypes, Windows,
41 extctrls, {P6}
42 {VA}
43 XWBut1, {RpcbEdtr,} MFunStr, Hash,
44 ComObj, ActiveX, OleCtrls, trpcb,
45 VERGENCECONTEXTORLib_TLB;
46
47const
48 NoMore: boolean = False;
49 MIN_RPCTIMELIMIT: integer = 30;
50 CURRENT_RPC_VERSION: String = 'XWB*1.1*36T1';
51
52type
53
54TCCOWRPCBroker = class(TRPCBroker)
55private
56protected
57 FCCOWLogonIDName: String;
58 FCCOWLogonIDValue: String;
59 FCCOWLogonName: String;
60 FCCOWLogonNameValue: String;
61 FContextor: TContextorControl; //CCOW
62 FCCOWtoken: string; //CCOW
63 FVistaDomain: String;
64 FCCOWLogonVpid: String;
65 FCCOWLogonVpidValue: String;
66 FWasUserDefined: Boolean;
67// procedure SetConnected(Value: Boolean); override;
68 function GetCCOWHandle(ConnectedBroker: TCCOWRPCBroker): string;
69 procedure CCOWsetUser(Uname, token, Domain, Vpid: string; Contextor:
70 TContextorControl);
71 function GetCCOWduz( Contextor: TContextorControl): string;
72public
73 function GetCCOWtoken(Contextor: TContextorControl): string;
74 function IsUserCleared: Boolean;
75 function WasUserDefined: Boolean;
76 function IsUserContextPending(aContextItemCollection: IContextItemCollection):
77 Boolean;
78 property Contextor: TContextorControl
79 read Fcontextor write FContextor; //CCOW
80 property CCOWLogonIDName: String read FCCOWLogonIDName;
81 property CCOWLogonIDValue: String read FCCOWLogonIDValue;
82 property CCOWLogonName: String read FCCOWLogonName;
83 property CCOWLogonNameValue: String read FCCOWLogonNameValue;
84 property CCOWLogonVpid: String read FCCOWLogonVpid;
85 property CCOWLogonVpidValue: String read FCCOWLogonVpidValue;
86published
87 property Connected: boolean read FConnected write SetConnected;
88 end;
89
90procedure AuthenticateUser(ConnectingBroker: TCCOWRPCBroker);
91
92implementation
93
94uses
95 Loginfrm, RpcbErr, WSockc, SelDiv{p8}, RpcSLogin{p13}, fRPCBErrMsg,
96 CCOW_const;
97
98var
99 CCOWToken: String;
100 Domain: String;
101 PassCode1: String;
102 PassCode2: String;
103
104
105{--------------------- TCCOWRPCBroker.SetConnected --------------------
106------------------------------------------------------------------
107procedure TCCOWRPCBroker.SetConnected(Value: Boolean);
108var
109 BrokerDir, Str1, Str2, Str3 :string;
110 RPCBContextor: TContextorControl;
111 UseSSH: TSecure;
112 ParamVal: String;
113 ParamNum: Integer;
114 PseudoServer: String;
115 PseudoPortStr: String;
116 PseudoPort: Integer;
117begin
118 RPCBError := '';
119 Login.ErrorText := '';
120 if (Connected <> Value) and not(csReading in ComponentState) then begin
121 if Value and (FConnecting <> Value) then begin {connect
122 FSocket := ExistingSocket(Self);
123 FConnecting := True; // FConnected := True;
124 try
125 if FSocket = 0 then
126 begin
127 {Execute Client Agent from directory in Registry.
128 BrokerDir := ReadRegData(HKLM, REG_BROKER, 'BrokerDr');
129 if BrokerDir <> '' then
130 ProcessExecute(BrokerDir + '\ClAgent.Exe', sw_ShowNoActivate)
131 else
132 ProcessExecute('ClAgent.Exe', sw_ShowNoActivate);
133 if DebugMode and (not OldConnectionOnly) then
134 begin
135 Str1 := 'Control of debugging FOR UCX OR NON-CALLBACK CONNECTIONS has been moved from the client to the server. To start a Debug session, do the following:'+#13#10#13#10;
136 Str2 := '1. On the server, set initial breakpoints where desired.'+#13#10+'2. DO DEBUG^XWBTCPM.'+#13#10+'3. Enter a unique Listener port number (i.e., a port number not in general use).'+#13#10;
137 Str3 := '4. Connect the client application using the port number entered in Step #3.';
138 ShowMessage(Str1 + Str2 + Str3);
139 end;
140
141 CheckSSH;
142 if not (FUseSecureConnection = secureNone) then
143 begin
144 if not StartSecureConnection(PseudoServer, PseudoPortStr) then
145 exit;
146 //Val(PseudoPortStr,PseudoPort,Code)
147 PseudoPort := StrToInt(PseudoPortStr);
148 end
149 else
150 begin
151 PseudoPort := ListenerPort;
152 PseudoServer := Server;
153 end;
154 // 060920 end of addition
155 TXWBWinsock(XWBWinsock).IsBackwardsCompatible := IsBackwardCompatibleConnection;
156 TXWBWinsock(XWBWinsock).OldConnectionOnly := OldConnectionOnly;
157 FSocket := TXWBWinsock(XWBWinsock).NetworkConnect(DebugMode, PseudoServer, // {FServer,
158 PseudoPort {ListenerPort, FRPCTimeLimit);
159 // 060919 Prefix added to handle multiple brokers including old and new
160{ Prefix := TXWBWinsock(XWBWinsock).Prefix;
161 FIsNewStyleConnection := TXWBWinsock(XWBWinsock).IsNewStyle;
162 AuthenticateUser(Self);
163 StoreConnection(Self); //MUST store connection before CreateContext()
164 //CCOW start
165 if (FContextor <> nil) and (length(CCOWtoken) = 0) then
166 begin
167 //Get new CCOW token
168 CCOWToken := GetCCOWHandle(Self);
169 if Length(CCOWToken) > 0 then
170 begin
171 try
172 RPCBContextor := TContextorControl.Create(Application);
173 RPCBContextor.Run('BrokerLoginModule#', PassCode1+PassCode2, TRUE, '*');
174 CCOWsetUser(user.name, CCOWToken, Domain, user.Vpid, RPCBContextor); //Clear token
175 FCCOWLogonIDName := CCOW_LOGON_ID;
176 FCCOWLogonIdValue := Domain;
177 FCCOWLogonName := CCOW_LOGON_NAME;
178 FCCOWLogonNameValue := user.name;
179 if user.name <> '' then
180 FWasUserDefined := True;
181 FCCOWLogonVpid := CCOW_LOGON_VPID;
182 FCCOWLogonVpidValue := user.Vpid;
183 RPCBContextor.Free;
184 RPCBContextor := nil;
185 except
186 ShowMessage('Problem with Contextor.Run');
187 FreeAndNil(RPCBContextor);
188 end;
189 end; // if Length(CCOWToken) > 0
190 end; //if
191 //CCOW end
192 FPulse.Enabled := True; //P6 Start heartbeat.
193 CreateContext(''); //Closes XUS SIGNON context.
194 end
195 else
196 begin //p13
197 StoreConnection(Self);
198 FPulse.Enabled := True; //p13
199 end; //p13
200 FConnected := True; // jli mod 12/17/01
201 FConnecting := False;
202 // 080620 If connected via SSH, With no command box
203 // visible, should let users know they have it.
204 if not (CommandBoxProcessHandle = 0) then
205 begin
206 thisOwner := self.Owner;
207 if (thisOwner is TForm) then
208 begin
209 thisParent := TForm(self.Owner);
210 if not (Pos('(SSH Secure connection)',thisParent.Caption) > 0) then
211 thisParent.Caption := thisParent.Caption + ' (SSH Secure connection)';
212 end;
213 end;
214 except
215 on E: EBrokerError do begin
216 if E.Code = XWB_BadSignOn then
217 TXWBWinsock(XWBWinsock).NetworkDisconnect(FSocket);
218 FSocket := 0;
219 FConnected := False;
220 FConnecting := False;
221 if not (CommandBoxProcessHandle = 0) then
222 TerminateProcess(CommandBoxProcessHandle,10);
223 FRPCBError := E.Message; // p13 handle errors as specified
224 if Login.ErrorText <> '' then
225 FRPCBError := E.Message + chr(10) + Login.ErrorText;
226 if Assigned(FOnRPCBFailure) then // p13
227 FOnRPCBFailure(Self) // p13
228 else if ShowErrorMsgs = semRaise then
229 Raise; // p13
230// raise; {this is where I would do OnNetError
231 end{on;
232 end{try;
233 end{if
234 else if not Value then
235 begin //p13
236 FConnected := False; //p13
237 FPulse.Enabled := False; //p13
238 if RemoveConnection(Self) = NoMore then begin
239 {FPulse.Enabled := False; ///P6;p13
240 TXWBWinsock(XWBWinsock).NetworkDisconnect(Socket); {actually disconnect from server
241 FSocket := 0; {store internal
242 //FConnected := False; //p13
243 // 080618 following added to close command box if SSH is being used
244 if not (CommandBoxProcessHandle = 0) then
245 begin
246 TerminateProcess(CommandBoxProcessHandle,10);
247 thisOwner := self.Owner;
248 if (thisOwner is TForm) then
249 begin
250 thisParent := TForm(self.Owner);
251 if (Pos('(SSH Secure connection)',thisParent.Caption) > 0) then
252 begin
253 // 080620 remove ' (SSH Secure connection)' on disconnection
254 thisParent.Caption := Copy(thisParent.Caption,1,Length(thisParent.Caption)-24);
255 end;
256 end;
257 end;
258 end{if;
259 end; {else
260 end{if;
261end;
262}
263function TCCOWRPCBroker.WasUserDefined: Boolean;
264begin
265 Result := FWasUserDefined;
266end;
267
268function TCCOWRPCBroker.IsUserCleared: Boolean;
269var
270 CCOWcontextItem: IContextItemCollection; //CCOW
271 CCOWdataItem1: IContextItem; //CCOW
272 Name: String;
273begin
274 Result := False;
275 Name := CCOW_LOGON_ID;
276 if (Contextor <> nil) then
277 try
278 //See if context contains the ID item
279 CCOWcontextItem := Contextor.CurrentContext;
280 CCOWDataItem1 := CCowContextItem.Present(Name);
281 if (CCOWdataItem1 <> nil) then //1
282 begin
283 If CCOWdataItem1.Value = '' then
284 Result := True
285 else
286 FWasUserDefined := True;
287 end
288 else
289 Result := True;
290 finally
291 end; //try
292end;
293
294{------------------------ AuthenticateUser ------------------------
295------------------------------------------------------------------}
296procedure AuthenticateUser(ConnectingBroker: TCCOWRPCBroker);
297var
298 SaveClearParmeters, SaveClearResults: boolean;
299 SaveParam: TParams;
300 SaveRemoteProcedure, SaveRpcVersion: string;
301 SaveResults: TStrings;
302 blnSignedOn: boolean;
303 SaveKernelLogin: boolean;
304 SaveVistaLogin: TVistaLogin;
305 OldExceptionHandler: TExceptionEvent;
306 OldHandle: THandle;
307begin
308 With ConnectingBroker do
309 begin
310 SaveParam := TParams.Create(nil);
311 SaveParam.Assign(Param); //save off settings
312 SaveRemoteProcedure := RemoteProcedure;
313 SaveRpcVersion := RpcVersion;
314 SaveResults := Results;
315 SaveClearParmeters := ClearParameters;
316 SaveClearResults := ClearResults;
317 ClearParameters := True; //set'em as I need'em
318 ClearResults := True;
319 SaveKernelLogin := KernelLogin; // p13
320 SaveVistaLogin := Login; // p13
321 end;
322
323 blnSignedOn := False; //initialize to bad sign-on
324
325 if ConnectingBroker.AccessVerifyCodes <> '' then // p13 handle as AVCode single signon
326 begin
327 ConnectingBroker.Login.AccessCode := Piece(ConnectingBroker.AccessVerifyCodes, ';', 1);
328 ConnectingBroker.Login.VerifyCode := Piece(ConnectingBroker.AccessVerifyCodes, ';', 2);
329 ConnectingBroker.Login.Mode := lmAVCodes;
330 ConnectingBroker.KernelLogIn := False;
331 end;
332
333 //CCOW start
334 if ConnectingBroker.KernelLogIn and (not (ConnectingBroker.Contextor = nil)) then
335 begin
336 CCOWtoken := ConnectingBroker.GetCCOWtoken(ConnectingBroker.Contextor);
337 if length(CCOWtoken)>0 then
338 begin
339 ConnectingBroker.FKernelLogIn := false;
340 ConnectingBroker.Login.Mode := lmAppHandle;
341 ConnectingBroker.Login.LogInHandle := CCOWtoken;
342 end;
343 end;
344 //CCOW end
345 //CCOW Start // p13 following section for silent signon
346 if not ConnectingBroker.FKernelLogIn then
347 if ConnectingBroker.FLogin <> nil then //the user. vistalogin contains login info
348 begin
349 blnsignedon := SilentLogin(ConnectingBroker); // RpcSLogin unit
350 if not blnSignedOn then
351 begin //Switch back to Kernel Login
352 ConnectingBroker.FKernelLogIn := true;
353 ConnectingBroker.Login.Mode := lmAVCodes;
354 end;
355 end;
356 //CCOW end
357
358 if ConnectingBroker.FKernelLogIn then
359 begin //p13
360 CCOWToken := ''; // 061201 JLI if can't sign on with Token clear it so can get new one
361 if Assigned(Application.OnException) then
362 OldExceptionHandler := Application.OnException
363 else
364 OldExceptionHandler := nil;
365 Application.OnException := TfrmErrMsg.RPCBShowException;
366 frmSignon := TfrmSignon.Create(Application);
367 try
368
369 // ShowApplicationAndFocusOK(Application);
370 OldHandle := GetForegroundWindow;
371 SetForegroundWindow(frmSignon.Handle);
372 PrepareSignonForm(ConnectingBroker);
373 if SetUpSignOn then //SetUpSignOn in loginfrm unit.
374 begin //True if signon needed
375
376 if frmSignOn.lblServer.Caption <> '' then
377 begin
378 frmSignOn.ShowModal; //do interactive logon // p13
379 if frmSignOn.Tag = 1 then //Tag=1 for good logon
380 blnSignedOn := True; //Successfull logon
381 end
382 end
383 else //False when no logon needed
384 blnSignedOn := NoSignOnNeeded; //Returns True always (for now!)
385 if blnSignedOn then //P6 If logged on, retrieve user info.
386 begin
387 GetBrokerInfo(ConnectingBroker);
388 if not SelDiv.ChooseDiv('',ConnectingBroker) then
389 begin
390 blnSignedOn := False;//P8
391 {Select division if multi-division user. First parameter is 'userid'
392 (DUZ or username) for future use. (P8)}
393 ConnectingBroker.Login.ErrorText := 'Failed to select Division'; // p13 set some text indicating problem
394 end;
395 end;
396 SetForegroundWindow(OldHandle);
397 finally
398 frmSignon.Free;
399// frmSignon.Release; //get rid of signon form
400
401// if ConnectingBroker.Owner is TForm then
402// SetForegroundWindow(TForm(ConnectingBroker.Owner).Handle)
403// else
404// SetForegroundWindow(ActiveWindow);
405 ShowApplicationAndFocusOK(Application);
406 end ; //try
407 if Assigned(OldExceptionHandler) then
408 Application.OnException := OldExceptionHandler;
409 end; //if kernellogin
410 // p13 following section for silent signon
411 if (not ConnectingBroker.KernelLogIn) and (not blnsignedon) then // was doing the signon twice if already true
412 if ConnectingBroker.Login <> nil then //the user. vistalogin contains login info
413 blnsignedon := SilentLogin(ConnectingBroker); // RpcSLogin unit
414 if not blnsignedon then
415 begin
416// ConnectingBroker.Login.FailedLogin(ConnectingBroker.Login);
417 TXWBWinsock(ConnectingBroker.XWBWinsock).NetworkDisconnect(ConnectingBroker.Socket);
418 end
419 else
420 GetBrokerInfo(ConnectingBroker);
421
422 //reset the Broker
423 with ConnectingBroker do
424 begin
425 ClearParameters := SaveClearParmeters;
426 ClearResults := SaveClearResults;
427 Param.Assign(SaveParam); //restore settings
428 SaveParam.Free;
429 RemoteProcedure := SaveRemoteProcedure;
430 RpcVersion := SaveRpcVersion;
431 Results := SaveResults;
432 FKernelLogin := SaveKernelLogin; // p13
433 FLogin := SaveVistaLogin; // p13
434 end;
435
436 if not blnSignedOn then //Flag for unsuccessful signon.
437 TXWBWinsock(ConnectingBroker.XWBWinsock).NetError('',XWB_BadSignOn); //Will raise error.
438
439end;
440
441{----------------------- GetCCOWHandle --------------------------
442Private function to return a special CCOW Handle from the server
443which is set into the CCOW context.
444The Broker of a new application can get the CCOWHandle from the context
445and use it to do a ImAPPHandle Sign-on.
446----------------------------------------------------------------}
447function TCCOWRPCBroker.GetCCOWHandle(ConnectedBroker : TCCOWRPCBroker): String; // p13
448begin
449 Result := '';
450 with ConnectedBroker do
451 try // to permit it to work correctly if CCOW is not installed on the server.
452 begin
453 RemoteProcedure := 'XUS GET CCOW TOKEN';
454 Call;
455 Result := Results[0];
456 Domain := Results[1];
457 RemoteProcedure := 'XUS CCOW VAULT PARAM';
458 Call;
459 PassCode1 := Results[0];
460 PassCode2 := Results[1];
461 end;
462 except
463 Result := '';
464 end;
465end;
466
467//CCOW start
468procedure TCCOWRPCBroker.CCOWsetUser(Uname, token, Domain, Vpid: string; Contextor:
469 TContextorControl);
470var
471 CCOWdata: IContextItemCollection; //CCOW
472 CCOWdataItem1,CCOWdataItem2,CCOWdataItem3: IContextItem;
473 CCOWdataItem4,CCOWdataItem5: IContextItem; //CCOW
474 Cname: string;
475begin
476 if Contextor <> nil then
477 begin
478 try
479 //Part 1
480 Contextor.StartContextChange;
481 //Part 2 Set the new proposed context data
482 CCOWdata := CoContextItemCollection.Create;
483 CCOWdataItem1 := CoContextItem.Create;
484 Cname := CCOW_LOGON_ID;
485 CCOWdataItem1.Name := Cname;
486 CCOWdataItem1.Value := domain;
487 CCOWData.Add(CCOWdataItem1);
488 CCOWdataItem2 := CoContextItem.Create;
489 Cname := CCOW_LOGON_TOKEN;
490 CCOWdataItem2.Name := Cname;
491 CCOWdataItem2.Value := token;
492 CCOWdata.Add(CCOWdataItem2);
493 CCOWdataItem3 := CoContextItem.Create;
494 Cname := CCOW_LOGON_NAME;
495 CCOWdataItem3.Name := Cname;
496 CCOWdataItem3.Value := Uname;
497 CCOWdata.Add(CCOWdataItem3);
498 //
499 CCOWdataItem4 := CoContextItem.Create;
500 Cname := CCOW_LOGON_VPID;
501 CCOWdataItem4.Name := Cname;
502 CCOWdataItem4.Value := Vpid;
503 CCOWdata.Add(CCOWdataItem4);
504 //
505 CCOWdataItem5 := CoContextItem.Create;
506 Cname := CCOW_USER_NAME;
507 CCOWdataItem5.Name := Cname;
508 CCOWdataItem5.Value := Uname;
509 CCOWdata.Add(CCOWdataItem5);
510 //Part 3 Make change
511 Contextor.EndContextChange(true, CCOWdata);
512 //We don't need to check CCOWresponce
513 finally
514 end; //try
515 end; //if
516end;
517
518//Get Token from CCOW context
519function TCCOWRPCBroker.GetCCOWtoken(Contextor: TContextorControl): string;
520var
521 CCOWdataItem1: IContextItem; //CCOW
522 CCOWcontextItem: IContextItemCollection; //CCOW
523 name: string;
524begin
525 result := '';
526 name := CCOW_LOGON_TOKEN;
527 if (Contextor <> nil) then
528 try
529 CCOWcontextItem := Contextor.CurrentContext;
530 //See if context contains the ID item
531 CCOWdataItem1 := CCOWcontextItem.Present(name);
532 if (CCOWdataItem1 <> nil) then //1
533 begin
534 result := CCOWdataItem1.Value;
535 if not (result = '') then
536 FWasUserDefined := True;
537 end;
538 FCCOWLogonIDName := CCOW_LOGON_ID;
539 FCCOWLogonName := CCOW_LOGON_NAME;
540 FCCOWLogonVpid := CCOW_LOGON_VPID;
541 CCOWdataItem1 := CCOWcontextItem.Present(CCOW_LOGON_ID);
542 if CCOWdataItem1 <> nil then
543 FCCOWLogonIdValue := CCOWdataItem1.Value;
544 CCOWdataItem1 := CCOWcontextItem.Present(CCOW_LOGON_NAME);
545 if CCOWdataItem1 <> nil then
546 FCCOWLogonNameValue := CCOWdataItem1.Value;
547 CCOWdataItem1 := CCOWcontextItem.Present(CCOW_LOGON_VPID);
548 if CCOWdataItem1 <> nil then
549 FCCOWLogonVpidValue := CCOWdataItem1.Value;
550 finally
551 end; //try
552end;
553
554//Get Name from CCOW context
555function TCCOWRPCBroker.GetCCOWduz(Contextor: TContextorControl): string;
556var
557 CCOWdataItem1: IContextItem; //CCOW
558 CCOWcontextItem: IContextItemCollection; //CCOW
559 name: string;
560begin
561 result := '';
562 name := CCOW_LOGON_ID;
563 if (Contextor <> nil) then
564 try
565 CCOWcontextItem := Contextor.CurrentContext;
566 //See if context contains the ID item
567 CCOWdataItem1 := CCOWcontextItem.Present(name);
568 if (CCOWdataItem1 <> nil) then //1
569 begin
570 result := CCOWdataItem1.Value;
571 if result <> '' then
572 FWasUserDefined := True;
573 end;
574 finally
575 end; //try
576end;
577
578function TCCOWRPCBroker.IsUserContextPending(aContextItemCollection:
579 IContextItemCollection): Boolean;
580var
581 CCOWdataItem1: IContextItem; //CCOW
582 Val1: String;
583begin
584 result := false;
585 if WasUserDefined() then // indicates data was defined
586 begin
587 Val1 := ''; // look for any USER Context items defined
588 result := True;
589 //
590 CCOWdataItem1 := aContextItemCollection.Present(CCOW_LOGON_ID);
591 if CCOWdataItem1 <> nil then
592 if not (CCOWdataItem1.Value = FCCOWLogonIDValue) then
593 Val1 := '^' + CCOWdataItem1.Value;
594 //
595 CCOWdataItem1 := aContextItemCollection.Present(CCOW_LOGON_NAME);
596 if CCOWdataItem1 <> nil then
597 if not (CCOWdataItem1.Value = FCCOWLogonNameValue) then
598 Val1 := Val1 + '^' + CCOWdataItem1.Value;
599 //
600 CCOWdataItem1 := aContextItemCollection.Present(CCOW_LOGON_VPID);
601 if CCOWdataItem1 <> nil then
602 if not (CCOWdataItem1.Value = FCCOWLogonVpidValue) then
603 Val1 := Val1 + '^' + CCOWdataItem1.Value;
604 //
605 CCOWdataItem1 := aContextItemCollection.Present(CCOW_USER_NAME);
606 if CCOWdataItem1 <> nil then
607 if not (CCOWdataItem1.Value = user.Name) then
608 Val1 := Val1 + '^' + CCOWdataItem1.Value;
609 //
610 if Val1 = '' then // nothing defined or all matches, so not user context change
611 result := False;
612 end;
613end;
614
615end.
616
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