private DirectoryResponse ConstructElement(XmlElement node) { DirectoryResponse dsmlErrorResponse = null; string localName = node.LocalName; string str = localName; if (localName != null) { if (str == "errorResponse") { dsmlErrorResponse = new DsmlErrorResponse(node); } else if (str == "searchResponse") { dsmlErrorResponse = new SearchResponse(node); } else if (str == "modifyResponse") { dsmlErrorResponse = new ModifyResponse(node); } else if (str == "addResponse") { dsmlErrorResponse = new AddResponse(node); } else if (str == "delResponse") { dsmlErrorResponse = new DeleteResponse(node); } else if (str == "modDNResponse") { dsmlErrorResponse = new ModifyDNResponse(node); } else if (str == "compareResponse") { dsmlErrorResponse = new CompareResponse(node); } else if (str == "extendedResponse") { dsmlErrorResponse = new ExtendedResponse(node); } else if (str == "authResponse") { dsmlErrorResponse = new DsmlAuthResponse(node); } else { throw new DsmlInvalidDocumentException(Res.GetString("UnknownResponseElement")); } return(dsmlErrorResponse); } throw new DsmlInvalidDocumentException(Res.GetString("UnknownResponseElement")); }
private DirectoryResponse ConstructElement(XmlElement node) { DirectoryResponse el = null; Debug.Assert(node != null); switch (node.LocalName) { case DsmlConstants.DsmlErrorResponse: el = new DsmlErrorResponse(node); break; case DsmlConstants.DsmlSearchResponse: el = new SearchResponse(node); break; case DsmlConstants.DsmlModifyResponse: el = new ModifyResponse(node); break; case DsmlConstants.DsmlAddResponse: el = new AddResponse(node); break; case DsmlConstants.DsmlDelResponse: el = new DeleteResponse(node); break; case DsmlConstants.DsmlModDNResponse: el = new ModifyDNResponse(node); break; case DsmlConstants.DsmlCompareResponse: el = new CompareResponse(node); break; case DsmlConstants.DsmlExtendedResponse: el = new ExtendedResponse(node); break; case DsmlConstants.DsmlAuthResponse: el = new DsmlAuthResponse(node); break; default: throw new DsmlInvalidDocumentException(Res.GetString(Res.UnknownResponseElement)); } Debug.Assert(el != null); return(el); }
private DirectoryException ConstructException(int error, LdapOperation operation) { DirectoryResponse response = null; if (Utility.IsResultCode((ResultCode)error)) { if (operation == LdapOperation.LdapAdd) response = new AddResponse(null, null, (ResultCode)error, OperationErrorMappings.MapResultCode(error), null); else if (operation == LdapOperation.LdapModify) response = new ModifyResponse(null, null, (ResultCode)error, OperationErrorMappings.MapResultCode(error), null); else if (operation == LdapOperation.LdapDelete) response = new DeleteResponse(null, null, (ResultCode)error, OperationErrorMappings.MapResultCode(error), null); else if (operation == LdapOperation.LdapModifyDn) response = new ModifyDNResponse(null, null, (ResultCode)error, OperationErrorMappings.MapResultCode(error), null); else if (operation == LdapOperation.LdapCompare) response = new CompareResponse(null, null, (ResultCode)error, OperationErrorMappings.MapResultCode(error), null); else if (operation == LdapOperation.LdapSearch) response = new SearchResponse(null, null, (ResultCode)error, OperationErrorMappings.MapResultCode(error), null); else if (operation == LdapOperation.LdapExtendedRequest) response = new ExtendedResponse(null, null, (ResultCode)error, OperationErrorMappings.MapResultCode(error), null); string errorMessage = OperationErrorMappings.MapResultCode(error); return new DirectoryOperationException(response, errorMessage); } else { if (Utility.IsLdapError((LdapError)error)) { string errorMessage = LdapErrorMappings.MapResultCode(error); string serverErrorMessage = _options.ServerErrorMessage; if ((serverErrorMessage != null) && (serverErrorMessage.Length > 0)) { throw new LdapException(error, errorMessage, serverErrorMessage); } else { return new LdapException(error, errorMessage); } } else return new LdapException(error); } }
internal DirectoryResponse ConstructResponse(int messageId, LdapOperation operation, ResultAll resultType, TimeSpan requestTimeOut, bool exceptionOnTimeOut) { int error; LDAP_TIMEVAL timeout = new LDAP_TIMEVAL(); timeout.tv_sec = (int)(requestTimeOut.Ticks / TimeSpan.TicksPerSecond); IntPtr ldapResult = (IntPtr)0; DirectoryResponse response = null; IntPtr requestName = (IntPtr)0; IntPtr requestValue = (IntPtr)0; IntPtr entryMessage = (IntPtr)0; bool needAbandon = true; // processing for the partial results retrieval if (resultType != ResultAll.LDAP_MSG_ALL) { // we need to have 0 timeout as we are polling for the results and don't want to wait timeout.tv_sec = 0; timeout.tv_usec = 0; if (resultType == ResultAll.LDAP_MSG_POLLINGALL) resultType = ResultAll.LDAP_MSG_ALL; // when doing partial results retrieving, if ldap_result failed, we don't do ldap_abandon here. needAbandon = false; } error = Wldap32.ldap_result(ldapHandle, messageId, (int)resultType, timeout, ref ldapResult); if (error != -1 && error != 0) { // parsing the result int serverError = 0; try { int resulterror = 0; string responseDn = null; string responseMessage = null; Uri[] responseReferral = null; DirectoryControl[] responseControl = null; // ldap_parse_result skips over messages of type LDAP_RES_SEARCH_ENTRY and LDAP_RES_SEARCH_REFERRAL if (error != (int)LdapResult.LDAP_RES_SEARCH_ENTRY && error != (int)LdapResult.LDAP_RES_REFERRAL) resulterror = ConstructParsedResult(ldapResult, ref serverError, ref responseDn, ref responseMessage, ref responseReferral, ref responseControl); if (resulterror == 0) { resulterror = serverError; if (error == (int)LdapResult.LDAP_RES_ADD) response = new AddResponse(responseDn, responseControl, (ResultCode)resulterror, responseMessage, responseReferral); else if (error == (int)LdapResult.LDAP_RES_MODIFY) response = new ModifyResponse(responseDn, responseControl, (ResultCode)resulterror, responseMessage, responseReferral); else if (error == (int)LdapResult.LDAP_RES_DELETE) response = new DeleteResponse(responseDn, responseControl, (ResultCode)resulterror, responseMessage, responseReferral); else if (error == (int)LdapResult.LDAP_RES_MODRDN) response = new ModifyDNResponse(responseDn, responseControl, (ResultCode)resulterror, responseMessage, responseReferral); else if (error == (int)LdapResult.LDAP_RES_COMPARE) response = new CompareResponse(responseDn, responseControl, (ResultCode)resulterror, responseMessage, responseReferral); else if (error == (int)LdapResult.LDAP_RES_EXTENDED) { response = new ExtendedResponse(responseDn, responseControl, (ResultCode)resulterror, responseMessage, responseReferral); if (resulterror == (int)ResultCode.Success) { resulterror = Wldap32.ldap_parse_extended_result(ldapHandle, ldapResult, ref requestName, ref requestValue, 0 /*not free it*/); if (resulterror == 0) { string name = null; if (requestName != (IntPtr)0) { name = Marshal.PtrToStringUni(requestName); } berval val = null; byte[] requestValueArray = null; if (requestValue != (IntPtr)0) { val = new berval(); Marshal.PtrToStructure(requestValue, val); if (val.bv_len != 0 && val.bv_val != (IntPtr)0) { requestValueArray = new byte[val.bv_len]; Marshal.Copy(val.bv_val, requestValueArray, 0, val.bv_len); } } ((ExtendedResponse)response).name = name; ((ExtendedResponse)response).value = requestValueArray; } } } else if (error == (int)LdapResult.LDAP_RES_SEARCH_RESULT || error == (int)LdapResult.LDAP_RES_SEARCH_ENTRY || error == (int)LdapResult.LDAP_RES_REFERRAL) { response = new SearchResponse(responseDn, responseControl, (ResultCode)resulterror, responseMessage, responseReferral); //set the flag here so our partial result processor knows whether the search is done or not if (error == (int)LdapResult.LDAP_RES_SEARCH_RESULT) { ((SearchResponse)response).searchDone = true; } SearchResultEntryCollection searchResultEntries = new SearchResultEntryCollection(); SearchResultReferenceCollection searchResultReferences = new SearchResultReferenceCollection(); // parsing the resultentry entryMessage = Wldap32.ldap_first_entry(ldapHandle, ldapResult); int entrycount = 0; while (entryMessage != (IntPtr)0) { SearchResultEntry entry = ConstructEntry(entryMessage); if (entry != null) searchResultEntries.Add(entry); entrycount++; entryMessage = Wldap32.ldap_next_entry(ldapHandle, entryMessage); } // parsing the reference IntPtr referenceMessage = Wldap32.ldap_first_reference(ldapHandle, ldapResult); while (referenceMessage != (IntPtr)0) { SearchResultReference reference = ConstructReference(referenceMessage); if (reference != null) searchResultReferences.Add(reference); referenceMessage = Wldap32.ldap_next_reference(ldapHandle, referenceMessage); } ((SearchResponse)response).SetEntries(searchResultEntries); ((SearchResponse)response).SetReferences(searchResultReferences); } if (resulterror != (int)ResultCode.Success && resulterror != (int)ResultCode.CompareFalse && resulterror != (int)ResultCode.CompareTrue && resulterror != (int)ResultCode.Referral && resulterror != (int)ResultCode.ReferralV2) { // throw operation exception if (Utility.IsResultCode((ResultCode)resulterror)) { throw new DirectoryOperationException(response, OperationErrorMappings.MapResultCode(resulterror)); } else // should not occur throw new DirectoryOperationException(response); } return response; } else { // fall over, throw the exception beow error = resulterror; } } finally { if (requestName != (IntPtr)0) Wldap32.ldap_memfree(requestName); if (requestValue != (IntPtr)0) Wldap32.ldap_memfree(requestValue); if (ldapResult != (IntPtr)0) { Wldap32.ldap_msgfree(ldapResult); } } } else { // ldap_result failed if (error == 0) { if (exceptionOnTimeOut) { // client side timeout error = (int)LdapError.TimeOut; } else { // if we don't throw exception on time out (notification search for example), we just return empty resposne return null; } } else { error = Wldap32.LdapGetLastError(); } // abandon the request if (needAbandon) Wldap32.ldap_abandon(ldapHandle, messageId); } // throw proper exception here throw ConstructException(error, operation); }
private DirectoryResponse ConstructElement(XmlElement node) { DirectoryResponse el = null; Debug.Assert(node != null); switch (node.LocalName) { case DsmlConstants.DsmlErrorResponse: el = new DsmlErrorResponse(node); break; case DsmlConstants.DsmlSearchResponse: el = new SearchResponse(node); break; case DsmlConstants.DsmlModifyResponse: el = new ModifyResponse(node); break; case DsmlConstants.DsmlAddResponse: el = new AddResponse(node); break; case DsmlConstants.DsmlDelResponse: el = new DeleteResponse(node); break; case DsmlConstants.DsmlModDNResponse: el = new ModifyDNResponse(node); break; case DsmlConstants.DsmlCompareResponse: el = new CompareResponse(node); break; case DsmlConstants.DsmlExtendedResponse: el = new ExtendedResponse(node); break; case DsmlConstants.DsmlAuthResponse: el = new DsmlAuthResponse(node); break; default: throw new DsmlInvalidDocumentException(Res.GetString(Res.UnknownResponseElement)); } Debug.Assert(el != null); return el; }
private DirectoryException ConstructException(int error, LdapOperation operation) { DirectoryResponse extendedResponse = null; if (!Utility.IsResultCode((ResultCode)error)) { if (!Utility.IsLdapError((LdapError)error)) { return new LdapException(error); } else { string str = LdapErrorMappings.MapResultCode(error); string serverErrorMessage = this.options.ServerErrorMessage; if (serverErrorMessage == null || serverErrorMessage.Length <= 0) { return new LdapException(error, str); } else { throw new LdapException(error, str, serverErrorMessage); } } } else { if (operation != LdapOperation.LdapAdd) { if (operation != LdapOperation.LdapModify) { if (operation != LdapOperation.LdapDelete) { if (operation != LdapOperation.LdapModifyDn) { if (operation != LdapOperation.LdapCompare) { if (operation != LdapOperation.LdapSearch) { if (operation == LdapOperation.LdapExtendedRequest) { extendedResponse = new ExtendedResponse(null, null, (ResultCode)error, OperationErrorMappings.MapResultCode(error), null); } } else { extendedResponse = new SearchResponse(null, null, (ResultCode)error, OperationErrorMappings.MapResultCode(error), null); } } else { extendedResponse = new CompareResponse(null, null, (ResultCode)error, OperationErrorMappings.MapResultCode(error), null); } } else { extendedResponse = new ModifyDNResponse(null, null, (ResultCode)error, OperationErrorMappings.MapResultCode(error), null); } } else { extendedResponse = new DeleteResponse(null, null, (ResultCode)error, OperationErrorMappings.MapResultCode(error), null); } } else { extendedResponse = new ModifyResponse(null, null, (ResultCode)error, OperationErrorMappings.MapResultCode(error), null); } } else { extendedResponse = new AddResponse(null, null, (ResultCode)error, OperationErrorMappings.MapResultCode(error), null); } string str1 = OperationErrorMappings.MapResultCode(error); return new DirectoryOperationException(extendedResponse, str1); } }
internal DirectoryResponse ConstructResponse(int messageId, LdapOperation operation, ResultAll resultType, TimeSpan requestTimeOut, bool exceptionOnTimeOut) { DirectoryResponse directoryResponse; LDAP_TIMEVAL lDAPTIMEVAL = new LDAP_TIMEVAL(); lDAPTIMEVAL.tv_sec = (int)(requestTimeOut.Ticks / (long)0x989680); IntPtr intPtr = (IntPtr)0; DirectoryResponse searchResponse = null; IntPtr intPtr1 = (IntPtr)0; IntPtr intPtr2 = (IntPtr)0; bool flag = true; if (resultType != ResultAll.LDAP_MSG_ALL) { lDAPTIMEVAL.tv_sec = 0; lDAPTIMEVAL.tv_usec = 0; if (resultType == ResultAll.LDAP_MSG_POLLINGALL) { resultType = ResultAll.LDAP_MSG_ALL; } flag = false; } int num = Wldap32.ldap_result(this.ldapHandle, messageId, (int)resultType, lDAPTIMEVAL, ref intPtr); if (num == -1 || num == 0) { if (num != 0) { num = Wldap32.LdapGetLastError(); } else { if (!exceptionOnTimeOut) { return null; } else { num = 85; } } if (flag) { Wldap32.ldap_abandon(this.ldapHandle, messageId); } } else { int num1 = 0; try { int num2 = 0; string str = null; string str1 = null; Uri[] uriArray = null; DirectoryControl[] directoryControlArray = null; if (num != 100 && num != 115) { num2 = this.ConstructParsedResult(intPtr, ref num1, ref str, ref str1, ref uriArray, ref directoryControlArray); } if (num2 != 0) { num = num2; throw this.ConstructException(num, operation); } else { num2 = num1; if (num != 105) { if (num != 103) { if (num != 107) { if (num != 109) { if (num != 111) { if (num != 120) { if (num == 101 || num == 100 || num == 115) { searchResponse = new SearchResponse(str, directoryControlArray, (ResultCode)num2, str1, uriArray); if (num == 101) { ((SearchResponse)searchResponse).searchDone = true; } SearchResultEntryCollection searchResultEntryCollection = new SearchResultEntryCollection(); SearchResultReferenceCollection searchResultReferenceCollection = new SearchResultReferenceCollection(); IntPtr intPtr3 = Wldap32.ldap_first_entry(this.ldapHandle, intPtr); int num3 = 0; while (intPtr3 != (IntPtr)0) { SearchResultEntry searchResultEntry = this.ConstructEntry(intPtr3); if (searchResultEntry != null) { searchResultEntryCollection.Add(searchResultEntry); } num3++; intPtr3 = Wldap32.ldap_next_entry(this.ldapHandle, intPtr3); } IntPtr intPtr4 = Wldap32.ldap_first_reference(this.ldapHandle, intPtr); while (intPtr4 != (IntPtr)0) { SearchResultReference searchResultReference = this.ConstructReference(intPtr4); if (searchResultReference != null) { searchResultReferenceCollection.Add(searchResultReference); } intPtr4 = Wldap32.ldap_next_reference(this.ldapHandle, intPtr4); } ((SearchResponse)searchResponse).SetEntries(searchResultEntryCollection); ((SearchResponse)searchResponse).SetReferences(searchResultReferenceCollection); } } else { searchResponse = new ExtendedResponse(str, directoryControlArray, (ResultCode)num2, str1, uriArray); if (num2 == 0) { num2 = Wldap32.ldap_parse_extended_result(this.ldapHandle, intPtr, ref intPtr1, ref intPtr2, 0); if (num2 == 0) { string stringUni = null; if (intPtr1 != (IntPtr)0) { stringUni = Marshal.PtrToStringUni(intPtr1); } byte[] numArray = null; if (intPtr2 != (IntPtr)0) { berval _berval = new berval(); Marshal.PtrToStructure(intPtr2, _berval); if (_berval.bv_len != 0 && _berval.bv_val != (IntPtr)0) { numArray = new byte[_berval.bv_len]; Marshal.Copy(_berval.bv_val, numArray, 0, _berval.bv_len); } } ((ExtendedResponse)searchResponse).name = stringUni; ((ExtendedResponse)searchResponse).@value = numArray; } } } } else { searchResponse = new CompareResponse(str, directoryControlArray, (ResultCode)num2, str1, uriArray); } } else { searchResponse = new ModifyDNResponse(str, directoryControlArray, (ResultCode)num2, str1, uriArray); } } else { searchResponse = new DeleteResponse(str, directoryControlArray, (ResultCode)num2, str1, uriArray); } } else { searchResponse = new ModifyResponse(str, directoryControlArray, (ResultCode)num2, str1, uriArray); } } else { searchResponse = new AddResponse(str, directoryControlArray, (ResultCode)num2, str1, uriArray); } if (num2 == 0 || num2 == 5 || num2 == 6 || num2 == 10 || num2 == 9) { directoryResponse = searchResponse; } else { if (!Utility.IsResultCode((ResultCode)num2)) { throw new DirectoryOperationException(searchResponse); } else { throw new DirectoryOperationException(searchResponse, OperationErrorMappings.MapResultCode(num2)); } } } } finally { if (intPtr1 != (IntPtr)0) { Wldap32.ldap_memfree(intPtr1); } if (intPtr2 != (IntPtr)0) { Wldap32.ldap_memfree(intPtr2); } if (intPtr != (IntPtr)0) { Wldap32.ldap_msgfree(intPtr); } } return directoryResponse; } throw this.ConstructException(num, operation); }
private DirectoryResponse ConstructElement(XmlElement node) { DirectoryResponse dsmlErrorResponse = null; string localName = node.LocalName; string str = localName; if (localName != null) { if (str == "errorResponse") { dsmlErrorResponse = new DsmlErrorResponse(node); } else if (str == "searchResponse") { dsmlErrorResponse = new SearchResponse(node); } else if (str == "modifyResponse") { dsmlErrorResponse = new ModifyResponse(node); } else if (str == "addResponse") { dsmlErrorResponse = new AddResponse(node); } else if (str == "delResponse") { dsmlErrorResponse = new DeleteResponse(node); } else if (str == "modDNResponse") { dsmlErrorResponse = new ModifyDNResponse(node); } else if (str == "compareResponse") { dsmlErrorResponse = new CompareResponse(node); } else if (str == "extendedResponse") { dsmlErrorResponse = new ExtendedResponse(node); } else if (str == "authResponse") { dsmlErrorResponse = new DsmlAuthResponse(node); } else { throw new DsmlInvalidDocumentException(Res.GetString("UnknownResponseElement")); } return dsmlErrorResponse; } throw new DsmlInvalidDocumentException(Res.GetString("UnknownResponseElement")); }
internal DirectoryResponse ConstructResponse(int messageId, LdapOperation operation, ResultAll resultType, TimeSpan requestTimeOut, bool exceptionOnTimeOut) { LDAP_TIMEVAL timeout = new LDAP_TIMEVAL { tv_sec = (int) (requestTimeOut.Ticks / 0x989680L) }; IntPtr zero = IntPtr.Zero; DirectoryResponse response = null; IntPtr oid = IntPtr.Zero; IntPtr data = IntPtr.Zero; IntPtr entryMessage = IntPtr.Zero; bool flag = true; if (resultType != ResultAll.LDAP_MSG_ALL) { timeout.tv_sec = 0; timeout.tv_usec = 0; if (resultType == ResultAll.LDAP_MSG_POLLINGALL) { resultType = ResultAll.LDAP_MSG_ALL; } flag = false; } int error = Wldap32.ldap_result(this.ldapHandle, messageId, (int) resultType, timeout, ref zero); switch (error) { case -1: case 0: break; default: { int serverError = 0; try { int errorCode = 0; string responseDn = null; string responseMessage = null; Uri[] responseReferral = null; DirectoryControl[] responseControl = null; if ((error != 100) && (error != 0x73)) { errorCode = this.ConstructParsedResult(zero, ref serverError, ref responseDn, ref responseMessage, ref responseReferral, ref responseControl); } if (errorCode == 0) { errorCode = serverError; switch (error) { case 0x69: response = new AddResponse(responseDn, responseControl, (ResultCode) errorCode, responseMessage, responseReferral); break; case 0x67: response = new ModifyResponse(responseDn, responseControl, (ResultCode) errorCode, responseMessage, responseReferral); break; case 0x6b: response = new DeleteResponse(responseDn, responseControl, (ResultCode) errorCode, responseMessage, responseReferral); break; case 0x6d: response = new ModifyDNResponse(responseDn, responseControl, (ResultCode) errorCode, responseMessage, responseReferral); break; case 0x6f: response = new CompareResponse(responseDn, responseControl, (ResultCode) errorCode, responseMessage, responseReferral); break; case 120: response = new ExtendedResponse(responseDn, responseControl, (ResultCode) errorCode, responseMessage, responseReferral); if (errorCode == 0) { errorCode = Wldap32.ldap_parse_extended_result(this.ldapHandle, zero, ref oid, ref data, 0); if (errorCode == 0) { string str3 = null; if (oid != IntPtr.Zero) { str3 = Marshal.PtrToStringUni(oid); } berval structure = null; byte[] destination = null; if (data != IntPtr.Zero) { structure = new berval(); Marshal.PtrToStructure(data, structure); if ((structure.bv_len != 0) && (structure.bv_val != IntPtr.Zero)) { destination = new byte[structure.bv_len]; Marshal.Copy(structure.bv_val, destination, 0, structure.bv_len); } } ((ExtendedResponse) response).name = str3; ((ExtendedResponse) response).value = destination; } } break; case 0x65: case 100: case 0x73: { response = new SearchResponse(responseDn, responseControl, (ResultCode) errorCode, responseMessage, responseReferral); if (error == 0x65) { ((SearchResponse) response).searchDone = true; } SearchResultEntryCollection col = new SearchResultEntryCollection(); SearchResultReferenceCollection references = new SearchResultReferenceCollection(); entryMessage = Wldap32.ldap_first_entry(this.ldapHandle, zero); int num4 = 0; while (entryMessage != IntPtr.Zero) { SearchResultEntry entry = this.ConstructEntry(entryMessage); if (entry != null) { col.Add(entry); } num4++; entryMessage = Wldap32.ldap_next_entry(this.ldapHandle, entryMessage); } for (IntPtr ptr5 = Wldap32.ldap_first_reference(this.ldapHandle, zero); ptr5 != IntPtr.Zero; ptr5 = Wldap32.ldap_next_reference(this.ldapHandle, ptr5)) { SearchResultReference reference = this.ConstructReference(ptr5); if (reference != null) { references.Add(reference); } } ((SearchResponse) response).SetEntries(col); ((SearchResponse) response).SetReferences(references); break; } } switch (errorCode) { case 0: case 5: case 6: case 10: case 9: return response; default: if (Utility.IsResultCode((ResultCode) errorCode)) { throw new DirectoryOperationException(response, OperationErrorMappings.MapResultCode(errorCode)); } throw new DirectoryOperationException(response); } } error = errorCode; goto Label_03A7; } finally { if (oid != IntPtr.Zero) { Wldap32.ldap_memfree(oid); } if (data != IntPtr.Zero) { Wldap32.ldap_memfree(data); } if (zero != IntPtr.Zero) { Wldap32.ldap_msgfree(zero); } } break; } } if (error == 0) { if (!exceptionOnTimeOut) { return null; } error = 0x55; } else { error = Wldap32.LdapGetLastError(); } if (flag) { Wldap32.ldap_abandon(this.ldapHandle, messageId); } Label_03A7: throw this.ConstructException(error, operation); }