source/carddav2/carddav2.cpp

   1 // CardDAV2.cpp - CardDAV v2 class
   2 //
   3 // (c) 2012-2016 Xestia Software Development.
   4 //
   5 // This file is part of Xestia Address Book.
   6 //
   7 // Xestia Address Book is free software: you can redistribute it and/or modify
   8 // it under the terms of the GNU General Public License as published by the
   9 // Free Software Foundation, version 3 of the license.
  10 //
  11 // Xestia Address Book is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with Xestia Address Book. If not, see <http://www.gnu.org/licenses/>
  18
  19 #include "carddav2.h"
  20
  21 using namespace std;
  22
  23 CardDAV2::CardDAV2(string ServerAddress, int ServerPort, string ServerUser, string ServerPass, bool ServerSSL){
  24
  25         this->ServerAddress = ServerAddress;
  26         this->ServerPort = ServerPort;
  27         this->ServerUser = ServerUser;
  28         this->ServerPass = ServerPass;
  29         this->ServerSSL = ServerSSL;
  30
  31         TestMode = true;
  32         this->SetupConnectionObject();
  33
  34 }
  35
  36 CardDAV2::CardDAV2(string ServerAddress, int ServerPort, string ServerUser, string ServerPass, bool ServerSSL, string ServerPrefix, string ServerAccount){
  37
  38         this->ServerAddress = ServerAddress;
  39         this->ServerPort = ServerPort;
  40         this->ServerUser = ServerUser;
  41         this->ServerPass = ServerPass;
  42         this->ServerSSL = ServerSSL;
  43         this->ServerPrefix = ServerPrefix;
  44         this->ServerAccount = ServerAccount;
  45
  46
  47         TestMode = false;
  48         this->SetupConnectionObject();
  49
  50 }
  51
  52 size_t CardDAV2::WritebackFunc(char *ptr, size_t size, size_t nmemb, void *stream){
  53
  54         return static_cast<CardDAV2PassObject*>(stream)->CardDAV2Object->WritebackFuncImplementation(ptr, size, nmemb, stream);
  55
  56 }
  57
  58 size_t CardDAV2::WritebackFuncImplementation(char *ptr, size_t size, size_t nmemb, void *stream){
  59
  60         // Writeback function for the CardDAV object.
  61
  62         CardDAV2PassObject *data = static_cast<CardDAV2PassObject*>(stream);
  63         data->DataSetting->append(ptr);
  64
  65         // Get the SSL engine pointer and trust if required on certain operating systems.
  66
  67         if (data->ServerUsingSSL == true) {
  68
  69 #if defined(__APPLE__)
  70
  71                 const struct curl_tlssessioninfo *TLSInfo;
  72                 CURLcode TLSCode;
  73                 TLSCode = curl_easy_getinfo(data->ConnectionSessionObject, CURLINFO_TLS_SSL_PTR, &TLSInfo);
  74
  75                 SecTrustRef CertificateData;
  76
  77                 if (TLSInfo->internals != nullptr && TLSCode == CURLE_OK) {
  78                         SSLCopyPeerTrust((SSLContext*)TLSInfo->internals, &CertificateData);
  79                         data->SSLContext = CertificateData;
  80                 }
  81
  82 #elif defined(__WIN32__)
  83
  84                 const struct curl_tlssessioninfo *TLSInfo;
  85                 CURLcode TLSCode;
  86                 TLSCode = curl_easy_getinfo(data->ConnectionSessionObject, CURLINFO_TLS_SSL_PTR, &TLSInfo);
  87
  88                 if (TLSInfo->internals != nullptr && TLSCode == CURLE_OK) {
  89
  90                         // Free the previous certificate data.
  91
  92                         //CertFreeCertificateContext(CertificateData);
  93
  94                         PCCERT_CONTEXT CertificateData;
  95
  96                         PCtxtHandle SSLHandle = (PCtxtHandle)TLSInfo->internals;
  97                         SECURITY_STATUS GetData = QueryContextAttributes(SSLHandle, SECPKG_ATTR_REMOTE_CERT_CONTEXT, &CertificateData);
  98
  99                         data->SSLContext = CertificateData;
 100
 101                 }
 102
 103 #endif
 104
 105         }
 106
 107         return size * nmemb;
 108
 109 }
 110
 111 void CardDAV2::SetCertificateData() {
 112
 113 }
 114
 115 CardDAV2::~CardDAV2(){
 116
 117         curl_easy_cleanup(ConnectionSession);
 118         ConnectionSession = nullptr;
 119
 120         if (HeaderList != nullptr){
 121                 curl_slist_free_all(HeaderList);
 122                 HeaderList = nullptr;
 123         }
 124
 125 #if defined(__WIN32__)
 126
 127         if (CertificateData != nullptr) {
 128
 129                 CertFreeCertificateContext(CertificateData);
 130
 131         }
 132
 133 #endif
 134
 135 }
 136
 137 #if defined(__APPLE__)
 138
 139 SecTrustRef CardDAV2::BuildSSLCollection(){
 140
 141         return CertificateData;
 142
 143 }
 144
 145 #elif defined(__WIN32__)
 146
 147 PCCERT_CONTEXT CardDAV2::BuildSSLCollection(){
 148
 149         return CertificateData;
 150
 151 }
 152
 153 #else
 154
 155 SSLCertCollectionString CardDAV2::BuildSSLCollection(){
 156
 157         // Build and return the SSL collection.
 158
 159         SSLCertCollectionString SSLCertInfo;
 160
 161         // Grab the certificate data.
 162
 163         union {
 164                 struct curl_slist *certdata;
 165                 struct curl_certinfo *certinfo;
 166         } certptr;
 167
 168         certptr.certdata = NULL;
 169
 170         curl_easy_getinfo(ConnectionSession, CURLINFO_CERTINFO, &certptr.certinfo);
 171
 172         std::string CertPropName;
 173         std::string CertPropValue;
 174
 175         for (int i = 0; i < certptr.certinfo->num_of_certs; i++){
 176
 177                 struct curl_slist *slist;
 178                 SSLCertDataString SSLCertDataInc;
 179
 180                 for (slist = certptr.certinfo->certinfo[i]; slist; slist = slist->next){
 181
 182                         // Using wxStringTokenizer from wxWidgets.
 183
 184                         wxStringTokenizer CertDataInc(wxString::FromUTF8(slist->data), ":");
 185
 186                         // Get first token as the property name.
 187
 188                         CertPropName = CertDataInc.GetNextToken().ToStdString();
 189
 190                         // Get remaining tokens as the property value.
 191
 192                         while(CertDataInc.HasMoreTokens()){
 193
 194                                 CertPropValue.append(CertDataInc.GetNextToken());
 195
 196                         }
 197
 198                         SSLCertDataInc.CertData.insert(std::make_pair(CertPropName, CertPropValue));
 199                         CertPropName.clear();
 200                         CertPropValue.clear();
 201
 202                 }
 203
 204                 SSLCertInfo.SSLCollection.insert(std::make_pair(i, SSLCertDataInc));
 205
 206         }
 207
 208         return SSLCertInfo;
 209
 210 }
 211
 212 #endif
 213
 214 void CardDAV2::BypassSSLVerification(bool EnableBypass) {
 215         EnableSSLBypass = EnableBypass;
 216         SSLSelfSigned = EnableBypass;
 217 }
 218
 219 void CardDAV2::SetupConnectionObject(){
 220         ConnectionSession = curl_easy_init();
 221 }
 222
 223 bool CardDAV2::IsTaskCompleted(){
 224         return false;
 225 }
 226
 227 COConnectResult CardDAV2::Connect(bool DoAuthentication){
 228
 229         ServerSSL ? SetupDefaultParametersSSL(DoAuthentication) : SetupDefaultParametersNonSSL(DoAuthentication);
 230         ResetResults();
 231
 232         COConnectResult ConnectResult = COCONNECT_UNITTESTFAIL;
 233         string ServerAddressURL = BuildURL("/principals/");
 234
 235         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
 236
 237         if (TestMode == true){
 238                 SessionResult = curl_easy_perform(ConnectionSession);
 239         } else {
 240                 SessionResult = curl_easy_perform(ConnectionSession);
 241         }
 242
 243         switch(SessionResult){
 244                 case CURLE_OK:
 245                 case CURLE_HTTP_RETURNED_ERROR:
 246                         SSLStatus = true;
 247                         SSLVerified = COSSL_VERIFIED;
 248                         ConnectResult = COCONNECT_OK;
 249                         break;
 250                 case CURLE_SSL_CACERT:
 251                 case CURLE_SSL_CONNECT_ERROR:
 252                         SSLStatus = true;
 253                         ConnectResult = COCONNECT_OK;
 254                         SSLVerified = COSSL_UNABLETOVERIFY;
 255                         break;
 256                 default:
 257                         ConnectResult = COCONNECT_INVALID;
 258                         break;
 259         };
 260
 261         // Set the certificate data (if required).
 262
 263 #if defined(__APPLE__)
 264
 265         if (ServerSSL) {
 266
 267                 CertificateData = PageHeaderObject.SSLContext;
 268
 269         }
 270
 271 #elif defined(__WIN32__)
 272
 273         if (ServerSSL) {
 274
 275                 CertificateData = PageHeaderObject.SSLContext;
 276
 277         }
 278
 279 #endif
 280
 281         // Check if an error occured before continuing.
 282
 283         // Check if authentication was successful.
 284
 285         long SessionResponseCode = 0;
 286
 287         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
 288
 289         if (DoAuthentication == true){
 290
 291                 // Get the HTTP status code (Should be 200 and not 403).
 292                 // Return error otherwise.
 293
 294                 if (SessionResponseCode == 200){
 295                         ConnectResult = COCONNECT_OK;
 296                         AuthPassed = true;
 297                         ValidResponse = true;
 298                 } else if (SessionResponseCode == 401){
 299                         ConnectResult = COCONNECT_AUTHFAIL;
 300                         AuthPassed = false;
 301                         ValidResponse = true;
 302                 } else if (SessionResponseCode >= 200) {
 303                         ConnectResult = COCONNECT_INVALID;
 304                         AuthPassed = false;
 305                         ValidResponse = true;
 306                 } else {
 307                         ConnectResult = COCONNECT_INVALID;
 308                         AuthPassed = false;
 309                         ValidResponse = false;
 310                 }
 311
 312         } else {
 313
 314                 ValidResponse = true;
 315
 316         }
 317
 318         // Check the header to see if CardDAV is supported.
 319
 320         vector<string> DAVHeaderValues = GetDAVHeader();
 321
 322         for (vector<string>::iterator DAVHeaderValuesIter = DAVHeaderValues.begin();
 323                 DAVHeaderValuesIter != DAVHeaderValues.end(); DAVHeaderValuesIter++){
 324
 325                 if ((*DAVHeaderValuesIter) == "addressbook"){
 326                         CanProcess = true;
 327                         break;
 328                 }
 329
 330         }
 331
 332         return ConnectResult;
 333
 334 }
 335
 336 COServerResponse CardDAV2::GetDefaultPrefix(string *ServerPrefix){
 337
 338         // Check if authentication was successful, otherwise don't do anything.
 339
 340         COServerResponse ServerResponse;
 341
 342         if (AuthPassed == false){
 343                 ServerResponse.RequestResult = COREQUEST_ERROR_NOTCONNECTED;
 344                 ServerResponse.EntityTag = "";
 345                 ServerResponse.SessionCode = 0;
 346                 ServerResponse.ResultCode = 0;
 347                 ServerResponse.ResultMessage = "";
 348                 return ServerResponse;
 349         }
 350
 351         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
 352         ResetResults();
 353
 354         // Need to do three requests:
 355
 356         // 1. Get the current user principal URI.
 357         // 2. Get the address book home URI.
 358         // 3. Get the default address book URI.
 359
 360         // Setup the first query finding out where the principal URL is.
 361
 362         const char* CurrentUserPrincipalXMLQuery = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
 363                 "<D:propfind xmlns:D=\"DAV:\">\n"
 364                 " <D:prop>"
 365                 "  <D:current-user-principal/>\n"
 366                 " </D:prop>"
 367                 "</D:propfind>";
 368
 369         // Setup the second query finding out where the address book home URL is.
 370
 371         const char* AddressBookHomeXMLQuery = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
 372         "<D:propfind xmlns:D=\"DAV:\""
 373         "  xmlns:C=\"urn:ietf:params:xml:ns:carddav\">\n"
 374         "  <D:prop>\n"
 375         "    <C:addressbook-home-set/>\n"
 376         "  </D:prop>\n"
 377         "</D:propfind>";
 378
 379         // Setup the third query finding out where the default address book URL is.
 380
 381         const char* DefaultAddressBookXMLQuery = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
 382         "<D:propfind xmlns:D=\"DAV:\""
 383         "  xmlns:C=\"urn:ietf:params:xml:ns:carddav\">\n"
 384         "  <D:prop>\n"
 385         "    <C:default-addressbook-URL/>\n"
 386         "  </D:prop>\n"
 387         "</D:propfind>";
 388
 389         string ServerAddressURL = BuildURL("/principals/");
 390         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
 391         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "PROPFIND");
 392         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, CurrentUserPrincipalXMLQuery);
 393         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, strlen(CurrentUserPrincipalXMLQuery));
 394
 395         if (TestMode == true){
 396                 SessionResult = curl_easy_perform(ConnectionSession);
 397         } else {
 398
 399         }
 400
 401         switch(SessionResult){
 402                 case CURLE_OK:
 403                         SSLStatus = true;
 404                         SSLVerified = COSSL_VERIFIED;
 405                         break;
 406                 case CURLE_SSL_CACERT:
 407                 case CURLE_SSL_CONNECT_ERROR:
 408                         SSLStatus = true;
 409                         SSLVerified = COSSL_UNABLETOVERIFY;
 410                         break;
 411                 default:
 412                         break;
 413         };
 414
 415         long SessionResponseCode = 0;
 416
 417         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
 418
 419         if (SessionResponseCode == 200 || SessionResponseCode == 207){
 420                 AuthPassed = true;
 421                 ValidResponse = true;
 422         } else if (SessionResponseCode == 403){
 423                 AuthPassed = false;
 424                 ValidResponse = true;
 425         } else if (SessionResponseCode >= 400) {
 426                 AuthPassed = false;
 427                 ValidResponse = true;
 428         } else {
 429                 AuthPassed = false;
 430                 ValidResponse = false;
 431         }
 432
 433         if (ValidResponse == false && AuthPassed == false){
 434                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
 435                 ServerResponse.EntityTag = "";
 436                 ServerResponse.SessionCode = SessionResult;
 437                 ServerResponse.ResultCode = SessionResponseCode;
 438                 ServerResponse.ResultMessage = "";
 439                 return ServerResponse;
 440         }
 441
 442         // Process the first response.
 443
 444         string UserPrincipalURI = GetUserPrincipalURI();
 445
 446         // Cleanup and reset for the second connection.
 447
 448         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
 449         ResetResults();
 450
 451         ServerAddressURL = BuildURL(UserPrincipalURI);
 452         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
 453         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "PROPFIND");
 454         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, AddressBookHomeXMLQuery);
 455         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, strlen(AddressBookHomeXMLQuery));
 456
 457         if (TestMode == true){
 458                 SessionResult = curl_easy_perform(ConnectionSession);
 459         } else {
 460
 461         }
 462
 463         switch(SessionResult){
 464                 case CURLE_OK:
 465                         SSLStatus = true;
 466                         SSLVerified = COSSL_VERIFIED;
 467                         break;
 468                 case CURLE_SSL_CACERT:
 469                 case CURLE_SSL_CONNECT_ERROR:
 470                         SSLStatus = true;
 471                         SSLVerified = COSSL_UNABLETOVERIFY;
 472                         break;
 473                 default:
 474                         break;
 475         };
 476
 477         SessionResponseCode = 0;
 478
 479         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
 480
 481         if (SessionResponseCode == 200 || SessionResponseCode == 207){
 482                 AuthPassed = true;
 483                 ValidResponse = true;
 484         } else if (SessionResponseCode == 403){
 485                 AuthPassed = false;
 486                 ValidResponse = true;
 487         } else if (SessionResponseCode >= 400) {
 488                 AuthPassed = false;
 489                 ValidResponse = true;
 490         } else {
 491                 AuthPassed = false;
 492                 ValidResponse = false;
 493         }
 494
 495         if (ValidResponse == false && AuthPassed == false){
 496                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
 497                 ServerResponse.EntityTag = "";
 498                 ServerResponse.SessionCode = SessionResult;
 499                 ServerResponse.ResultCode = SessionResponseCode;
 500                 ServerResponse.ResultMessage = "";
 501                 return ServerResponse;
 502         }
 503
 504         // Process the second response.
 505
 506         string AddressBookHomeURI = GetAddressBookHomeURI();
 507
 508         // Cleanup and reset for the second connection.
 509
 510         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
 511         ResetResults();
 512
 513         ServerAddressURL = BuildURL(AddressBookHomeURI);
 514         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
 515         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "PROPFIND");
 516         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, DefaultAddressBookXMLQuery);
 517         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, strlen(DefaultAddressBookXMLQuery));
 518
 519         if (TestMode == true){
 520                 SessionResult = curl_easy_perform(ConnectionSession);
 521         } else {
 522
 523         }
 524
 525         switch(SessionResult){
 526                 case CURLE_OK:
 527                         SSLStatus = true;
 528                         SSLVerified = COSSL_VERIFIED;
 529                         break;
 530                 case CURLE_SSL_CACERT:
 531                 case CURLE_SSL_CONNECT_ERROR:
 532                         SSLStatus = true;
 533                         SSLVerified = COSSL_UNABLETOVERIFY;
 534                         break;
 535                 default:
 536                         break;
 537         };
 538
 539         SessionResponseCode = 0;
 540
 541         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
 542
 543         if (SessionResponseCode == 200 || SessionResponseCode == 207){
 544                 AuthPassed = true;
 545                 ValidResponse = true;
 546         } else if (SessionResponseCode == 403){
 547                 AuthPassed = false;
 548                 ValidResponse = true;
 549         } else if (SessionResponseCode >= 200) {
 550                 AuthPassed = false;
 551                 ValidResponse = true;
 552         } else {
 553                 AuthPassed = false;
 554                 ValidResponse = false;
 555         }
 556
 557         if (ValidResponse == false || AuthPassed == false){
 558                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
 559                 ServerResponse.EntityTag = "";
 560                 ServerResponse.SessionCode = SessionResult;
 561                 ServerResponse.ResultCode = SessionResponseCode;
 562                 ServerResponse.ResultMessage = "";
 563                 return ServerResponse;
 564         }
 565
 566         // Process the second response.
 567
 568         (*ServerPrefix) = GetDefaultAddressBookURI();
 569
 570         CanProcess = true;
 571
 572         ServerResponse.RequestResult = COREQUEST_OK;
 573         ServerResponse.EntityTag = "";
 574         ServerResponse.SessionCode = SessionResult;
 575         ServerResponse.ResultCode = SessionResponseCode;
 576         ServerResponse.ResultMessage = SessionErrorBuffer;
 577         return ServerResponse;
 578
 579 }
 580
 581 std::string CardDAV2::GetUserPrincipalURI(){
 582
 583         xmlDocPtr xmlCardDAVDoc;
 584         xmlCardDAVDoc = xmlReadMemory(PageData.c_str(), (int)PageData.size(), "noname.xml", NULL, 0);
 585         string UserPrincipalURI = "";
 586
 587         xmlNodePtr nodeLevel1;
 588         xmlNodePtr nodeLevel2;
 589         xmlNodePtr nodeLevel3;
 590         xmlNodePtr nodeLevel4;
 591         xmlNodePtr nodeLevel5;
 592         xmlNodePtr nodeLevel6;
 593         xmlNodePtr nodeLevel7;
 594
 595         for (nodeLevel1 = xmlCardDAVDoc->children;
 596                 nodeLevel1 != NULL;
 597                 nodeLevel1 = nodeLevel1->next)
 598         {
 599
 600                 for (nodeLevel2 = nodeLevel1->children;
 601                         nodeLevel2 != NULL;
 602                         nodeLevel2 = nodeLevel2->next)
 603                 {
 604
 605
 606                         for (nodeLevel3 = nodeLevel2->children;
 607                         nodeLevel3 != NULL;
 608                         nodeLevel3 = nodeLevel3->next)
 609                         {
 610
 611                                 for (nodeLevel4 = nodeLevel3->children;
 612                                 nodeLevel4 != NULL;
 613                                 nodeLevel4 = nodeLevel4->next)
 614                                 {
 615
 616                                         for (nodeLevel5 = nodeLevel4->children;
 617                                         nodeLevel5 != NULL;
 618                                         nodeLevel5 = nodeLevel5->next)
 619                                         {
 620
 621                                                 for (nodeLevel6 = nodeLevel5->children;
 622                                                 nodeLevel6 != NULL;
 623                                                 nodeLevel6 = nodeLevel6->next)
 624                                                 {
 625
 626                                                         if (!xmlStrcmp(nodeLevel6->name, (const xmlChar *)"href") ||
 627                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"d:href") ||
 628                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"D:href")
 629                                                         ){
 630
 631                                                                 // Found the <href> part so extract the principal URL address.
 632
 633                                                                 for (nodeLevel7 = nodeLevel6->children;
 634                                                                 nodeLevel7 != NULL;
 635                                                                 nodeLevel7 = nodeLevel7->next)
 636                                                                 {
 637
 638                                                                         UserPrincipalURI = ((const char*)nodeLevel7->content);
 639
 640                                                                 }
 641
 642                                                         }
 643
 644                                                 }
 645
 646                                         }
 647
 648                                 }
 649
 650                         }
 651
 652                 }
 653
 654         }
 655
 656         xmlFreeDoc(xmlCardDAVDoc);
 657
 658         return UserPrincipalURI;
 659
 660 }
 661
 662 std::string CardDAV2::GetAddressBookHomeURI(){
 663
 664         xmlDocPtr xmlCardDAVDoc;
 665         xmlCardDAVDoc = xmlReadMemory(PageData.c_str(), (int)PageData.size(), "noname.xml", NULL, 0);
 666         string AddressBookHomeURI = "";
 667
 668         xmlNodePtr nodeLevel1;
 669         xmlNodePtr nodeLevel2;
 670         xmlNodePtr nodeLevel3;
 671         xmlNodePtr nodeLevel4;
 672         xmlNodePtr nodeLevel5;
 673         xmlNodePtr nodeLevel6;
 674         xmlNodePtr nodeLevel7;
 675
 676         for (nodeLevel1 = xmlCardDAVDoc->children;
 677                 nodeLevel1 != NULL;
 678                 nodeLevel1 = nodeLevel1->next)
 679         {
 680
 681                 for (nodeLevel2 = nodeLevel1->children;
 682                         nodeLevel2 != NULL;
 683                         nodeLevel2 = nodeLevel2->next)
 684                 {
 685
 686
 687                         for (nodeLevel3 = nodeLevel2->children;
 688                         nodeLevel3 != NULL;
 689                         nodeLevel3 = nodeLevel3->next)
 690                         {
 691
 692                                 for (nodeLevel4 = nodeLevel3->children;
 693                                 nodeLevel4 != NULL;
 694                                 nodeLevel4 = nodeLevel4->next)
 695                                 {
 696
 697                                         for (nodeLevel5 = nodeLevel4->children;
 698                                         nodeLevel5 != NULL;
 699                                         nodeLevel5 = nodeLevel5->next)
 700                                         {
 701
 702                                                 for (nodeLevel6 = nodeLevel5->children;
 703                                                 nodeLevel6 != NULL;
 704                                                 nodeLevel6 = nodeLevel6->next)
 705                                                 {
 706
 707                                                         if (!xmlStrcmp(nodeLevel6->name, (const xmlChar *)"href") ||
 708                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"d:href") ||
 709                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"D:href")
 710                                                         ){
 711
 712                                                                 // Found the <href> part so extract the principal URL address.
 713
 714                                                                 for (nodeLevel7 = nodeLevel6->children;
 715                                                                 nodeLevel7 != NULL;
 716                                                                 nodeLevel7 = nodeLevel7->next)
 717                                                                 {
 718
 719                                                                         AddressBookHomeURI = ((const char*)nodeLevel7->content);
 720
 721                                                                 }
 722
 723                                                         }
 724
 725                                                 }
 726
 727                                         }
 728
 729                                 }
 730
 731                         }
 732
 733                 }
 734
 735         }
 736
 737         xmlFreeDoc(xmlCardDAVDoc);
 738
 739         return AddressBookHomeURI;
 740
 741 }
 742
 743 std::string CardDAV2::GetDefaultAddressBookURI(){
 744
 745         xmlDocPtr xmlCardDAVDoc;
 746         xmlCardDAVDoc = xmlReadMemory(PageData.c_str(), (int)PageData.size(), "noname.xml", NULL, 0);
 747         string DefaultAddressBookURI = "";
 748
 749         xmlNodePtr nodeLevel1;
 750         xmlNodePtr nodeLevel2;
 751         xmlNodePtr nodeLevel3;
 752         xmlNodePtr nodeLevel4;
 753         xmlNodePtr nodeLevel5;
 754         xmlNodePtr nodeLevel6;
 755         xmlNodePtr nodeLevel7;
 756
 757         for (nodeLevel1 = xmlCardDAVDoc->children;
 758                 nodeLevel1 != NULL;
 759                 nodeLevel1 = nodeLevel1->next)
 760         {
 761
 762                 for (nodeLevel2 = nodeLevel1->children;
 763                         nodeLevel2 != NULL;
 764                         nodeLevel2 = nodeLevel2->next)
 765                 {
 766
 767
 768                         for (nodeLevel3 = nodeLevel2->children;
 769                         nodeLevel3 != NULL;
 770                         nodeLevel3 = nodeLevel3->next)
 771                         {
 772
 773                                 for (nodeLevel4 = nodeLevel3->children;
 774                                 nodeLevel4 != NULL;
 775                                 nodeLevel4 = nodeLevel4->next)
 776                                 {
 777
 778                                         for (nodeLevel5 = nodeLevel4->children;
 779                                         nodeLevel5 != NULL;
 780                                         nodeLevel5 = nodeLevel5->next)
 781                                         {
 782
 783                                                 for (nodeLevel6 = nodeLevel5->children;
 784                                                 nodeLevel6 != NULL;
 785                                                 nodeLevel6 = nodeLevel6->next)
 786                                                 {
 787
 788                                                         if (!xmlStrcmp(nodeLevel6->name, (const xmlChar *)"href") ||
 789                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"d:href") ||
 790                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"D:href")
 791                                                         ){
 792
 793                                                                 // Found the <href> part so extract the principal URL address.
 794
 795                                                                 for (nodeLevel7 = nodeLevel6->children;
 796                                                                 nodeLevel7 != NULL;
 797                                                                 nodeLevel7 = nodeLevel7->next)
 798                                                                 {
 799
 800                                                                         DefaultAddressBookURI = ((const char*)nodeLevel7->content);
 801
 802                                                                 }
 803
 804                                                         }
 805
 806                                                 }
 807
 808                                         }
 809
 810                                 }
 811
 812                         }
 813
 814                 }
 815
 816         }
 817
 818         xmlFreeDoc(xmlCardDAVDoc);
 819
 820         return DefaultAddressBookURI;
 821
 822 }
 823
 824 COServerResponse CardDAV2::AddContact(std::string Location, std::string Data){
 825
 826         // Check if authentication was successful, otherwise don't do anything.
 827
 828         COServerResponse ServerResponse;
 829
 830         if (AuthPassed == false){
 831                 ServerResponse.RequestResult = COREQUEST_ERROR_NOTCONNECTED;
 832                 ServerResponse.EntityTag = "";
 833                 ServerResponse.SessionCode = 0;
 834                 ServerResponse.ResultCode = 0;
 835                 ServerResponse.ResultMessage = "";
 836                 return ServerResponse;
 837         }
 838
 839         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
 840         ResetResults();
 841
 842         string ServerAddressURL = BuildURL(ServerPrefix + Location);
 843         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
 844         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "PUT");
 845         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, Data.c_str());
 846         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, strlen(Data.c_str()));
 847
 848         HeaderList = curl_slist_append(HeaderList, "Content-Type: text/vcard; charset=utf-8");
 849
 850         curl_easy_setopt(ConnectionSession, CURLOPT_HTTPHEADER, HeaderList);
 851
 852         if (TestMode == true){
 853                 SessionResult = curl_easy_perform(ConnectionSession);
 854         } else {
 855                 SessionResult = curl_easy_perform(ConnectionSession);
 856         }
 857
 858         switch(SessionResult){
 859                 case CURLE_OK:
 860                         SSLStatus = true;
 861                         SSLVerified = COSSL_VERIFIED;
 862                         break;
 863                 case CURLE_SSL_CACERT:
 864                 case CURLE_SSL_CONNECT_ERROR:
 865                         SSLStatus = true;
 866                         SSLVerified = COSSL_UNABLETOVERIFY;
 867                         break;
 868                 default:
 869                         break;
 870         };
 871
 872         long SessionResponseCode = 0;
 873
 874         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
 875
 876         if (SessionResponseCode == 200 || SessionResponseCode == 201 || SessionResponseCode == 204){
 877                 AuthPassed = true;
 878                 ValidResponse = true;
 879         } else if (SessionResponseCode == 403){
 880                 AuthPassed = false;
 881                 ValidResponse = true;
 882         } else if (SessionResponseCode >= 400){
 883                 AuthPassed = false;
 884                 ValidResponse = true;
 885         } else {
 886                 AuthPassed = false;
 887                 ValidResponse = false;
 888         }
 889
 890         if (ValidResponse == false || AuthPassed == false){
 891                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
 892                 ServerResponse.EntityTag = "";
 893                 ServerResponse.SessionCode = SessionResult;
 894                 ServerResponse.ResultCode = SessionResponseCode;
 895                 ServerResponse.ResultMessage = "";
 896                 return ServerResponse;
 897         }
 898
 899         CanProcess = true;
 900
 901         ServerResponse.RequestResult = COREQUEST_OK;
 902         ServerResponse.EntityTag = "";
 903         ServerResponse.SessionCode = SessionResult;
 904         ServerResponse.ResultCode = SessionResponseCode;
 905         ServerResponse.ResultMessage = SessionErrorBuffer;
 906         return ServerResponse;
 907
 908 }
 909
 910 COServerResponse CardDAV2::EditContact(std::string Location, std::string Data){
 911
 912         // Check if authentication was successful, otherwise don't do anything.
 913
 914         COServerResponse ServerResponse;
 915
 916         if (AuthPassed == false){
 917                 ServerResponse.RequestResult = COREQUEST_ERROR_NOTCONNECTED;
 918                 ServerResponse.EntityTag = "";
 919                 ServerResponse.SessionCode = 0;
 920                 ServerResponse.ResultCode = 0;
 921                 ServerResponse.ResultMessage = "";
 922                 return ServerResponse;
 923         }
 924
 925         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
 926         ResetResults();
 927
 928         string ServerAddressURL = BuildURL(ServerPrefix + Location);
 929         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
 930         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "PUT");
 931         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, Data.c_str());
 932         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, strlen(Data.c_str()));
 933
 934         HeaderList = curl_slist_append(HeaderList, "Content-Type: text/vcard; charset=utf-8");
 935
 936         curl_easy_setopt(ConnectionSession, CURLOPT_HTTPHEADER, HeaderList);
 937
 938         if (TestMode == true){
 939                 SessionResult = curl_easy_perform(ConnectionSession);
 940         } else {
 941                 SessionResult = curl_easy_perform(ConnectionSession);
 942         }
 943
 944         switch(SessionResult){
 945                 case CURLE_OK:
 946                         SSLStatus = true;
 947                         SSLVerified = COSSL_VERIFIED;
 948                         break;
 949                 case CURLE_SSL_CACERT:
 950                 case CURLE_SSL_CONNECT_ERROR:
 951                         SSLStatus = true;
 952                         SSLVerified = COSSL_UNABLETOVERIFY;
 953                         break;
 954                 default:
 955                         break;
 956         };
 957
 958         long SessionResponseCode = 0;
 959
 960         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
 961
 962         if (SessionResponseCode == 200 || SessionResponseCode == 201 || SessionResponseCode == 204){
 963                 AuthPassed = true;
 964                 ValidResponse = true;
 965         } else if (SessionResponseCode == 403){
 966                 AuthPassed = false;
 967                 ValidResponse = true;
 968         } else if (SessionResponseCode >= 400){
 969                 AuthPassed = false;
 970                 ValidResponse = true;
 971         } else {
 972                 AuthPassed = false;
 973                 ValidResponse = false;
 974         }
 975
 976         if (ValidResponse == false || AuthPassed == false){
 977                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
 978                 ServerResponse.EntityTag = "";
 979                 ServerResponse.SessionCode = SessionResult;
 980                 ServerResponse.ResultCode = SessionResponseCode;
 981                 ServerResponse.ResultMessage = "";
 982                 return ServerResponse;
 983         }
 984
 985         CanProcess = true;
 986
 987         ServerResponse.RequestResult = COREQUEST_OK;
 988         ServerResponse.EntityTag = "";
 989         ServerResponse.SessionCode = SessionResult;
 990         ServerResponse.ResultCode = SessionResponseCode;
 991         ServerResponse.ResultMessage = SessionErrorBuffer;
 992         return ServerResponse;
 993
 994 }
 995
 996 COServerResponse CardDAV2::DeleteContact(std::string Location){
 997
 998         // Check if authentication was successful, otherwise don't do anything.
 999
1000         COServerResponse ServerResponse;
1001
1002         if (AuthPassed == false){
1003                 ServerResponse.RequestResult = COREQUEST_ERROR_NOTCONNECTED;
1004                 ServerResponse.EntityTag = "";
1005                 ServerResponse.SessionCode = 0;
1006                 ServerResponse.ResultCode = 0;
1007                 ServerResponse.ResultMessage = "";
1008                 return ServerResponse;
1009         }
1010
1011         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
1012         ResetResults();
1013
1014         string ServerAddressURL = BuildURL(ServerPrefix + Location);
1015         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
1016         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "DELETE");
1017
1018         if (TestMode == true){
1019                 SessionResult = curl_easy_perform(ConnectionSession);
1020         } else {
1021                 SessionResult = curl_easy_perform(ConnectionSession);
1022         }
1023
1024         switch(SessionResult){
1025                 case CURLE_OK:
1026                         SSLStatus = true;
1027                         SSLVerified = COSSL_VERIFIED;
1028                         break;
1029                 case CURLE_SSL_CACERT:
1030                 case CURLE_SSL_CONNECT_ERROR:
1031                         SSLStatus = true;
1032                         SSLVerified = COSSL_UNABLETOVERIFY;
1033                         break;
1034                 default:
1035                         break;
1036         };
1037
1038         long SessionResponseCode = 0;
1039
1040         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
1041
1042         if (SessionResponseCode == 200 || SessionResponseCode == 202 || SessionResponseCode == 204){
1043                 AuthPassed = true;
1044                 ValidResponse = true;
1045         } else if (SessionResponseCode == 403){
1046                 AuthPassed = false;
1047                 ValidResponse = true;
1048         } else if (SessionResponseCode >= 400){
1049                 AuthPassed = false;
1050                 ValidResponse = true;
1051         } else {
1052                 AuthPassed = false;
1053                 ValidResponse = false;
1054         }
1055
1056         if (ValidResponse == false || AuthPassed == false){
1057                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
1058                 ServerResponse.EntityTag = "";
1059                 ServerResponse.SessionCode = SessionResult;
1060                 ServerResponse.ResultCode = SessionResponseCode;
1061                 ServerResponse.ResultMessage = "";
1062                 return ServerResponse;
1063         }
1064
1065         CanProcess = true;
1066
1067         ServerResponse.RequestResult = COREQUEST_OK;
1068         ServerResponse.EntityTag = "";
1069         ServerResponse.SessionCode = SessionResult;
1070         ServerResponse.ResultCode = SessionResponseCode;
1071         ServerResponse.ResultMessage = SessionErrorBuffer;
1072         return ServerResponse;
1073
1074 }
1075
1076 COServerResponse CardDAV2::GetServerEntityTagValue(std::string Location){
1077
1078         // Check if authentication was successful, otherwise don't do anything.
1079
1080         COServerResponse ServerResponse;
1081
1082         if (AuthPassed == false){
1083                 ServerResponse.RequestResult = COREQUEST_ERROR_NOTCONNECTED;
1084                 ServerResponse.EntityTag = "";
1085                 ServerResponse.SessionCode = 0;
1086                 ServerResponse.ResultCode = 0;
1087                 ServerResponse.ResultMessage = "";
1088                 return ServerResponse;
1089         }
1090
1091         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
1092         ResetResults();
1093
1094         static const char* GetETagQuery =
1095         "<?xml version=\"1.0\" encoding=\"utf-8\" ?>"
1096         "<C:addressbook-query xmlns:D=\"DAV:\""
1097         "       xmlns:C=\"urn:ietf:params:xml:ns:carddav\">"
1098         "<D:prop><D:getetag/>"
1099         "</D:prop>"
1100         "<C:filter/>"
1101         "</C:addressbook-query>";
1102
1103         string ServerAddressURL = BuildURL(ServerPrefix + Location);
1104         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
1105         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "REPORT");
1106         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, GetETagQuery);
1107         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, strlen(GetETagQuery));
1108
1109         if (TestMode == true){
1110                 SessionResult = curl_easy_perform(ConnectionSession);
1111         } else {
1112                 SessionResult = curl_easy_perform(ConnectionSession);
1113         }
1114
1115         switch(SessionResult){
1116                 case CURLE_OK:
1117                         SSLStatus = true;
1118                         SSLVerified = COSSL_VERIFIED;
1119                         break;
1120                 case CURLE_SSL_CACERT:
1121                 case CURLE_SSL_CONNECT_ERROR:
1122                         SSLStatus = true;
1123                         SSLVerified = COSSL_UNABLETOVERIFY;
1124                         break;
1125                 default:
1126                         break;
1127         };
1128
1129         long SessionResponseCode = 0;
1130
1131         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
1132
1133         if (SessionResponseCode == 207){
1134                 AuthPassed = true;
1135                 ValidResponse = true;
1136         } else if (SessionResponseCode == 403){
1137                 AuthPassed = false;
1138                 ValidResponse = true;
1139         } else if (SessionResponseCode >= 400){
1140                 AuthPassed = false;
1141                 ValidResponse = true;
1142         } else {
1143                 AuthPassed = false;
1144                 ValidResponse = false;
1145         }
1146
1147         if (ValidResponse == false || AuthPassed == false){
1148                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
1149                 ServerResponse.EntityTag = "";
1150                 ServerResponse.SessionCode = SessionResult;
1151                 ServerResponse.ResultCode = SessionResponseCode;
1152                 ServerResponse.ResultMessage = "";
1153                 return ServerResponse;
1154         }
1155
1156         CanProcess = true;
1157
1158         ServerResponse.RequestResult = COREQUEST_OK;
1159         ServerResponse.EntityTag = GetETagValue();
1160         ServerResponse.SessionCode = SessionResult;
1161         ServerResponse.ResultCode = SessionResponseCode;
1162         ServerResponse.ResultMessage = SessionErrorBuffer;
1163
1164         return ServerResponse;
1165
1166 }
1167
1168 COServerResponse CardDAV2::GetContact(std::string Location, std::string *ContactData){
1169
1170         // Check if authentication was successful, otherwise don't do anything.
1171
1172         COServerResponse ServerResponse;
1173
1174         if (AuthPassed == false){
1175                 ServerResponse.RequestResult = COREQUEST_ERROR_NOTCONNECTED;
1176                 ServerResponse.EntityTag = "";
1177                 ServerResponse.SessionCode = 0;
1178                 ServerResponse.ResultCode = 0;
1179                 ServerResponse.ResultMessage = "";
1180                 return ServerResponse;
1181         }
1182
1183         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
1184         ResetResults();
1185
1186         string ServerAddressURL = BuildURL(ServerPrefix + Location);
1187         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
1188         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "GET");
1189
1190         if (TestMode == true){
1191                 SessionResult = curl_easy_perform(ConnectionSession);
1192         } else {
1193                 SessionResult = curl_easy_perform(ConnectionSession);
1194         }
1195
1196         switch(SessionResult){
1197                 case CURLE_OK:
1198                         SSLStatus = true;
1199                         SSLVerified = COSSL_VERIFIED;
1200                         break;
1201                 case CURLE_SSL_CACERT:
1202                 case CURLE_SSL_CONNECT_ERROR:
1203                         SSLStatus = true;
1204                         SSLVerified = COSSL_UNABLETOVERIFY;
1205                         break;
1206                 default:
1207                         break;
1208         };
1209
1210         long SessionResponseCode = 0;
1211
1212         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
1213
1214         if (SessionResponseCode == 200){
1215                 AuthPassed = true;
1216                 ValidResponse = true;
1217         } else if (SessionResponseCode == 403){
1218                 AuthPassed = false;
1219                 ValidResponse = true;
1220         } else if (SessionResponseCode >= 400){
1221                 AuthPassed = false;
1222                 ValidResponse = true;
1223         } else {
1224                 AuthPassed = false;
1225                 ValidResponse = false;
1226         }
1227
1228         if (ValidResponse == false && AuthPassed == false){
1229                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
1230                 ServerResponse.EntityTag = "";
1231                 ServerResponse.SessionCode = SessionResult;
1232                 ServerResponse.ResultCode = SessionResponseCode;
1233                 ServerResponse.ResultMessage = "";
1234                 return ServerResponse;
1235         }
1236
1237         CanProcess = true;
1238
1239         ServerResponse.RequestResult = COREQUEST_OK;
1240         ServerResponse.EntityTag = "";
1241         ServerResponse.SessionCode = SessionResult;
1242         ServerResponse.ResultCode = SessionResponseCode;
1243         ServerResponse.ResultMessage = SessionErrorBuffer;
1244
1245         (*ContactData) = PageData;
1246
1247         return ServerResponse;
1248
1249 }
1250
1251 COContactList CardDAV2::GetContactList(std::string SyncToken){
1252
1253         COContactList ServerContactList;
1254
1255         // Check if authentication was successful, otherwise don't do anything.
1256
1257         if (AuthPassed == false){
1258                 ServerContactList.ServerResponse.RequestResult = COREQUEST_ERROR_NOTCONNECTED;
1259                 ServerContactList.ServerResponse.EntityTag = "";
1260                 ServerContactList.ServerResponse.SessionCode = 0;
1261                 ServerContactList.ServerResponse.ResultCode = 0;
1262                 ServerContactList.ServerResponse.ResultMessage = "";
1263                 return ServerContactList;
1264         }
1265
1266         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
1267         ResetResults();
1268
1269         std::string SyncData;
1270
1271         // TODO: Copy old code from CardDAV class as needed.
1272
1273         if (SyncToken.size() > 0){
1274
1275                 SyncData = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
1276                 "<D:sync-collection xmlns:D=\"DAV:\"\n"
1277                 " xmlns:C=\"urn:ietf:params:xml:ns:carddav\">\n"
1278                 "<D:sync-token>";
1279                 SyncData.append(SyncToken);
1280                 SyncData.append("</D:sync-token>\n"
1281                 "<D:sync-level>1</D:sync-level>\n"
1282                 "<D:prop>\n"
1283                 "       <D:getetag/>\n"
1284                 "</D:prop>\n"
1285                 "</D:sync-collection>");
1286
1287         } else {
1288
1289                 SyncData = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
1290                 "<D:sync-collection xmlns:D=\"DAV:\"\n"
1291                 " xmlns:C=\"urn:ietf:params:xml:ns:carddav\">\n"
1292                 "<D:sync-level>1</D:sync-level>\n"
1293                 "<D:prop>\n"
1294                 "       <D:getetag/>\n"
1295                 "</D:prop>\n"
1296                 "</D:sync-collection>";
1297
1298         }
1299
1300         string ServerAddressURL = BuildURL(ServerPrefix);
1301
1302         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
1303         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, SyncData.c_str());
1304         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, strlen(SyncData.c_str()));
1305         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "REPORT");
1306
1307         HeaderList = curl_slist_append(HeaderList, "Content-Type: application/xml; charset=utf-8");
1308         HeaderList = curl_slist_append(HeaderList, "Depth: 1");
1309
1310         curl_easy_setopt(ConnectionSession, CURLOPT_HTTPHEADER, HeaderList);
1311
1312         if (TestMode == true){
1313                 SessionResult = curl_easy_perform(ConnectionSession);
1314         } else {
1315                 SessionResult = curl_easy_perform(ConnectionSession);
1316         }
1317
1318         switch(SessionResult){
1319                 case CURLE_OK:
1320                         SSLStatus = true;
1321                         SSLVerified = COSSL_VERIFIED;
1322                         break;
1323                 case CURLE_SSL_CACERT:
1324                 case CURLE_SSL_CONNECT_ERROR:
1325                         SSLStatus = true;
1326                         SSLVerified = COSSL_UNABLETOVERIFY;
1327                         break;
1328                 default:
1329                         break;
1330         };
1331
1332         long SessionResponseCode = 0;
1333
1334         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
1335
1336         if (SessionResponseCode == 207){
1337                 AuthPassed = true;
1338                 ValidResponse = true;
1339         } else if (SessionResponseCode == 403){
1340                 AuthPassed = false;
1341                 ValidResponse = true;
1342         } else if (SessionResponseCode >= 400){
1343                 AuthPassed = false;
1344                 ValidResponse = true;
1345         } else {
1346                 AuthPassed = false;
1347                 ValidResponse = false;
1348         }
1349
1350         if (ValidResponse == false || AuthPassed == false){
1351                 ServerContactList.ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
1352                 ServerContactList.ServerResponse.EntityTag = "";
1353                 ServerContactList.ServerResponse.SessionCode = SessionResult;
1354                 ServerContactList.ServerResponse.ResultCode = SessionResponseCode;
1355                 ServerContactList.ServerResponse.ResultMessage = "";
1356                 return ServerContactList;
1357         }
1358
1359         CanProcess = true;
1360
1361         ProcessContactData(&ServerContactList);
1362
1363         ServerContactList.ServerResponse.RequestResult = COREQUEST_OK;
1364         ServerContactList.ServerResponse.EntityTag = "";
1365         ServerContactList.ServerResponse.SessionCode = SessionResult;
1366         ServerContactList.ServerResponse.ResultCode = SessionResponseCode;
1367         ServerContactList.ServerResponse.ResultMessage = SessionErrorBuffer;
1368
1369         return ServerContactList;
1370
1371 }
1372
1373 bool CardDAV2::CanDoProcessing(){
1374         return CanProcess;
1375 }
1376
1377 bool CardDAV2::CanDoSSL(){
1378         return SSLStatus;
1379 }
1380
1381 COSSLVerified CardDAV2::SSLVerify(){
1382         return SSLVerified;
1383 }
1384
1385 bool CardDAV2::AbleToLogin(){
1386         return AuthPassed;
1387 }
1388
1389 bool CardDAV2::HasValidResponse(){
1390         return ValidResponse;
1391 }
1392
1393 bool CardDAV2::IsSelfSigned(){
1394         return SSLSelfSigned;
1395 }
1396
1397 void CardDAV2::SetupDefaultParametersNonSSL(bool DoAuthentication){
1398
1399         std::string ServerAddress = "";
1400
1401         string ServerAddressURL = "http://" + ServerAddress + ":" + to_string(ServerPort) + "/";
1402         string UsernamePassword = ServerUser + ":" + ServerPass;
1403
1404         PageDataObject.CardDAV2Object = this;
1405         PageDataObject.ConnectionSessionObject = ConnectionSession;
1406         PageDataObject.DataSetting = &PageData;
1407         PageDataObject.ServerUsingSSL = false;
1408
1409         PageHeaderObject.CardDAV2Object = this;
1410         PageHeaderObject.ConnectionSessionObject = ConnectionSession;
1411         PageHeaderObject.DataSetting = &PageHeader;
1412         PageHeaderObject.ServerUsingSSL = false;
1413
1414         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddress.c_str());
1415         curl_easy_setopt(ConnectionSession, CURLOPT_NOPROGRESS, 1L);
1416         curl_easy_setopt(ConnectionSession, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST|CURLAUTH_BASIC);
1417         curl_easy_setopt(ConnectionSession, CURLOPT_TIMEOUT, 60);
1418         curl_easy_setopt(ConnectionSession, CURLOPT_FAILONERROR, true);
1419         curl_easy_setopt(ConnectionSession, CURLOPT_USERAGENT, XSDAB_USERAGENT);
1420         curl_easy_setopt(ConnectionSession, CURLOPT_WRITEFUNCTION, CardDAV2::WritebackFunc);
1421         curl_easy_setopt(ConnectionSession, CURLOPT_WRITEDATA, &PageDataObject);
1422         curl_easy_setopt(ConnectionSession, CURLOPT_WRITEHEADER, &PageHeaderObject);
1423         curl_easy_setopt(ConnectionSession, CURLOPT_NOSIGNAL, 1L);
1424         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "GET");
1425         curl_easy_setopt(ConnectionSession, CURLOPT_HTTPHEADER, nullptr);
1426         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, nullptr);
1427         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, 0L);
1428
1429         if (DoAuthentication == true){
1430                 curl_easy_setopt(ConnectionSession, CURLOPT_USERPWD, UsernamePassword.c_str());
1431         } else {
1432                 curl_easy_setopt(ConnectionSession, CURLOPT_USERPWD, NULL);
1433         }
1434
1435 }
1436
1437 void CardDAV2::SetupDefaultParametersSSL(bool DoAuthentication){
1438
1439         // Setup the default parameters.
1440
1441         string ServerAddressURL = "https://" + ServerAddress + ":" + to_string(ServerPort) + "/";
1442         string UsernamePassword = ServerUser + ":" + ServerPass;
1443
1444         PageDataObject.CardDAV2Object = this;
1445         PageDataObject.ConnectionSessionObject = ConnectionSession;
1446         PageDataObject.DataSetting = &PageData;
1447         PageDataObject.ServerUsingSSL = true;
1448
1449         PageHeaderObject.CardDAV2Object = this;
1450         PageHeaderObject.ConnectionSessionObject = ConnectionSession;
1451         PageHeaderObject.DataSetting = &PageHeader;
1452         PageHeaderObject.ServerUsingSSL = true;
1453
1454         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
1455         curl_easy_setopt(ConnectionSession, CURLOPT_NOPROGRESS, 1L);
1456         curl_easy_setopt(ConnectionSession, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST|CURLAUTH_BASIC);
1457         curl_easy_setopt(ConnectionSession, CURLOPT_TIMEOUT, 60);
1458         curl_easy_setopt(ConnectionSession, CURLOPT_FAILONERROR, 0L);
1459         curl_easy_setopt(ConnectionSession, CURLOPT_USERAGENT, XSDAB_USERAGENT);
1460         curl_easy_setopt(ConnectionSession, CURLOPT_WRITEFUNCTION, CardDAV2::WritebackFunc);
1461         curl_easy_setopt(ConnectionSession, CURLOPT_WRITEDATA, &PageDataObject);
1462         curl_easy_setopt(ConnectionSession, CURLOPT_WRITEHEADER, &PageHeaderObject);
1463         curl_easy_setopt(ConnectionSession, CURLOPT_ERRORBUFFER, SessionErrorBuffer);
1464         //curl_easy_setopt(ConnectionSession, CURLOPT_NOSIGNAL, 1L);
1465         curl_easy_setopt(ConnectionSession, CURLOPT_CERTINFO, 1L);
1466         //curl_easy_setopt(ConnectionSession, CURLOPT_VERBOSE, 2L);
1467         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "GET");
1468         curl_easy_setopt(ConnectionSession, CURLOPT_HTTPHEADER, nullptr);
1469         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, nullptr);
1470         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, 0L);
1471
1472         if (DoAuthentication == true){
1473                 curl_easy_setopt(ConnectionSession, CURLOPT_USERPWD, UsernamePassword.c_str());
1474         } else {
1475                 curl_easy_setopt(ConnectionSession, CURLOPT_USERPWD, NULL);
1476         }
1477
1478         if (EnableSSLBypass == true){
1479                 curl_easy_setopt(ConnectionSession, CURLOPT_SSL_VERIFYHOST, 0L);
1480                 curl_easy_setopt(ConnectionSession, CURLOPT_SSL_VERIFYPEER, 0L);
1481                 curl_easy_setopt(ConnectionSession, CURLOPT_SSL_VERIFYSTATUS, 0L);
1482         } else {
1483                 curl_easy_setopt(ConnectionSession, CURLOPT_SSL_VERIFYHOST, 2L);
1484                 curl_easy_setopt(ConnectionSession, CURLOPT_SSL_VERIFYPEER, 1L);
1485                 curl_easy_setopt(ConnectionSession, CURLOPT_SSL_VERIFYSTATUS, 1L);
1486         }
1487
1488 #if !defined(__APPLE__) || defined(__WIN32__)
1489
1490         if (TestMode == false && ServerAccount.size() > 0){
1491
1492                 // Check if the server certificate file exists.
1493
1494                 string CertificateFilename = GetAccountDir(ServerAccount, true);
1495
1496                 if (wxFile::Exists(CertificateFilename)){
1497
1498                         curl_easy_setopt(ConnectionSession, CURLOPT_CAINFO, CertificateFilename.c_str());
1499
1500                 }
1501
1502         }
1503
1504 #endif
1505
1506 }
1507
1508 string CardDAV2::BuildURL(string URI){
1509
1510         string ServerAddressURL;
1511
1512         if (SSLStatus == true){
1513                 ServerAddressURL = "https://" + ServerAddress + ":" + to_string(ServerPort) + URI;
1514         } else {
1515                 ServerAddressURL = "http://" + ServerAddress + ":" + to_string(ServerPort) + URI;
1516         }
1517
1518         return ServerAddressURL;
1519
1520 }
1521
1522 string CardDAV2::GetErrorMessage(){
1523
1524         ErrorMessage = SessionErrorBuffer;
1525         return ErrorMessage;
1526
1527 }
1528
1529 void CardDAV2::ResetResults(){
1530
1531         SSLStatus = false;
1532         COSSLVerified SSLVerified = COSSL_NORESULT;
1533         ValidResponse = false;
1534         AuthPassed = false;
1535         CanProcess = false;
1536         SSLSelfSigned = false;
1537         TaskCompleted = false;
1538         ErrorMessage = "";
1539         SessionErrorBuffer[0] = '\0';
1540         SessionResult = CURLE_OK;
1541         PageData = "";
1542         PageHeader = "";
1543         if (HeaderList != nullptr){
1544                 curl_slist_free_all(HeaderList);
1545                 HeaderList = nullptr;
1546         }
1547
1548 }
1549
1550 string CardDAV2::GetETagValue(){
1551
1552         xmlDocPtr xmlCardDAVDoc;
1553
1554         xmlCardDAVDoc = xmlReadMemory(PageData.c_str(), (int)PageData.size(), "noname.xml", NULL, 0);
1555
1556         xmlNodePtr nodeLevel1;
1557         xmlNodePtr nodeLevel2;
1558         xmlNodePtr nodeLevel3;
1559         xmlNodePtr nodeLevel4;
1560         xmlNodePtr nodeLevel5;
1561         xmlNodePtr nodeLevel6;
1562
1563         //std::map<wxString,wxString> xmlDataMap;
1564
1565         std::string DataFilename;
1566         std::string ETagData;
1567
1568         std::string xmlStringSafe;
1569         std::string ETagValue;
1570
1571         // Tranverse through the catacombs of the response to get our ETag for the file.
1572
1573         for (nodeLevel1 = xmlCardDAVDoc->children;
1574                 nodeLevel1 != NULL;
1575                 nodeLevel1 = nodeLevel1->next)
1576         {
1577
1578                 bool HREFFound = FALSE;
1579                 bool ETagFound = FALSE;
1580
1581                 for (nodeLevel2 = nodeLevel1->children;
1582                         nodeLevel2 != NULL;
1583                         nodeLevel2 = nodeLevel2->next)
1584                 {
1585
1586                         for (nodeLevel3 = nodeLevel2->children;
1587                         nodeLevel3 != NULL;
1588                         nodeLevel3 = nodeLevel3->next)
1589                         {
1590
1591                                 if (!xmlStrcmp(nodeLevel3->name, (const xmlChar *)"href") ||
1592                                 !xmlStrcmp(nodeLevel3->name, (const xmlChar *)"d:href") ||
1593                                 !xmlStrcmp(nodeLevel3->name, (const xmlChar *)"D:href")
1594                                 ){
1595
1596                                         // Get the filename.
1597
1598                                         for (nodeLevel4 = nodeLevel3->children;
1599                                         nodeLevel4 != NULL;
1600                                         nodeLevel4 = nodeLevel4->next)
1601                                         {
1602
1603                                                 if (!xmlStrcmp(nodeLevel4->name, (const xmlChar *)"text") ||
1604                                                 !xmlStrcmp(nodeLevel4->name, (const xmlChar *)"d:text") ||
1605                                                 !xmlStrcmp(nodeLevel4->name, (const xmlChar *)"D:text")
1606                                                 ){
1607
1608                                                         DataFilename = wxString::FromUTF8((const char*)nodeLevel4->content);
1609                                                         wxStringTokenizer wSTDFilename(DataFilename, wxT("/"));
1610
1611                                                         while (wSTDFilename.HasMoreTokens()){
1612
1613                                                                 DataFilename = wSTDFilename.GetNextToken().ToStdString();
1614
1615                                                         }
1616
1617                                                         HREFFound = TRUE;
1618
1619                                                 }
1620
1621
1622
1623                                         }
1624
1625                                 } else {
1626
1627                                         for (nodeLevel4 = nodeLevel3->children;
1628                                         nodeLevel4 != NULL;
1629                                         nodeLevel4 = nodeLevel4->next)
1630                                         {
1631
1632                                                         for (nodeLevel5 = nodeLevel4->children;
1633                                                         nodeLevel5 != NULL;
1634                                                         nodeLevel5 = nodeLevel5->next)
1635                                                         {
1636
1637                                                                 if (!xmlStrcmp(nodeLevel5->name, (const xmlChar *)"getetag") ||
1638                                                                 !xmlStrcmp(nodeLevel5->name, (const xmlChar *)"d:getetag") ||
1639                                                                 !xmlStrcmp(nodeLevel5->name, (const xmlChar *)"D:getetag")
1640                                                                 ){
1641
1642                                                                         for (nodeLevel6 = nodeLevel5->children;
1643                                                                         nodeLevel6 != NULL;
1644                                                                         nodeLevel6 = nodeLevel6->next)
1645                                                                         {
1646
1647                                                                                 // Strip the quotes from the ETag.
1648
1649                                                                                 ETagData = (const char*)nodeLevel6->content;
1650                                                                                 if (ETagData[0] == '"' && ETagData[(ETagData.size() - 1)] == '"'){
1651
1652                                                                                         ETagData.erase(0, 1);
1653                                                                                         ETagData.erase((ETagData.size() - 1));
1654
1655                                                                                 }
1656
1657                                                                                 ETagFound = TRUE;
1658
1659                                                                         }
1660
1661                                                                 }
1662
1663                                                         }
1664
1665                                         }
1666
1667                                 }
1668
1669                         }
1670
1671                 }
1672
1673                 if (HREFFound == TRUE && ETagFound == TRUE){
1674
1675                         // Add to the map data.
1676
1677                         ETagValue = ETagData;
1678
1679                         HREFFound = FALSE;
1680                         ETagFound = FALSE;
1681                         break;
1682
1683                 }
1684
1685
1686         }
1687
1688         xmlFreeDoc(xmlCardDAVDoc);
1689
1690         return ETagValue;
1691
1692 }
1693
1694 string CardDAV2::GetETagHeader(){
1695
1696         // Go through each of the lines looking for the
1697         // 'DAV:' section.
1698
1699         string HeaderName;
1700         string HeaderValue;
1701         bool FastForward = false;
1702
1703         for (int HeaderSeek = 0; HeaderSeek < PageHeader.size(); HeaderSeek++){
1704
1705                 if (FastForward == true){
1706
1707                         if (PageHeader[HeaderSeek] == '\n'){
1708                                 FastForward = false;
1709                         }
1710
1711                         continue;
1712
1713                 }
1714
1715                 try {
1716                         PageHeader.substr(HeaderSeek, 5) == "ETag:";
1717                 }
1718
1719                 catch (const out_of_range &oor){
1720                         break;
1721                 }
1722
1723                 if (PageHeader.substr(HeaderSeek, 5) == "ETag:"){
1724
1725                         int CharacterSeek = 5;
1726
1727                         while ((HeaderSeek + CharacterSeek) < PageHeader.size()){
1728
1729                                 if (PageHeader.substr((HeaderSeek + CharacterSeek), 2) == "\r\n"){
1730                                         break;
1731                                 }
1732
1733                                 HeaderValue += PageHeader.substr((HeaderSeek + CharacterSeek), 1);
1734                                 CharacterSeek++;
1735                         }
1736
1737                         break;
1738
1739                 } else {
1740
1741                         FastForward = true;
1742                         continue;
1743
1744                 }
1745
1746                 if (PageHeader[HeaderSeek] == '\n'){
1747                         HeaderName = "";
1748                 }
1749
1750                 //HeaderName += PageHeader.substr(HeaderSeek, 1);
1751
1752         }
1753
1754         // Check for quotation marks at the start and end and strip
1755         // them out.
1756
1757         if (HeaderValue.size() >= 2){
1758
1759                 if (HeaderValue[0] == '"'){
1760                         HeaderValue.erase((HeaderValue.size() - 1));
1761                         HeaderValue.erase(0);
1762                 }
1763
1764         }
1765
1766         return HeaderValue;
1767
1768 }
1769
1770 vector<string> CardDAV2::GetDAVHeader(){
1771
1772         // Go through each of the lines looking for the
1773         // 'DAV:' section.
1774
1775         string HeaderName;
1776         string HeaderValue;
1777         bool FastForward = false;
1778         vector<string> DAVHeaderList;
1779
1780         for (int HeaderSeek = 0; HeaderSeek < PageHeader.size(); HeaderSeek++){
1781
1782                 if (FastForward == true){
1783
1784                         if (PageHeader[HeaderSeek] == '\n'){
1785                                 FastForward = false;
1786                         }
1787
1788                         continue;
1789
1790                 }
1791
1792                 try {
1793                         PageHeader.substr(HeaderSeek, 4) == "DAV:";
1794                 }
1795
1796                 catch (const out_of_range &oor){
1797                         break;
1798                 }
1799
1800                 if (PageHeader.substr(HeaderSeek, 4) == "DAV:"){
1801
1802                         int CharacterSeek = 5;
1803
1804                         while ((HeaderSeek + CharacterSeek) < PageHeader.size()){
1805
1806                                 if (PageHeader.substr((HeaderSeek + CharacterSeek), 2) == "\r\n"){
1807                                         break;
1808                                 }
1809
1810                                 HeaderValue += PageHeader.substr((HeaderSeek + CharacterSeek), 1);
1811                                 CharacterSeek++;
1812                         }
1813
1814                         break;
1815
1816                 } else {
1817
1818                         FastForward = true;
1819                         continue;
1820
1821                 }
1822
1823                 if (PageHeader[HeaderSeek] == '\n'){
1824                         HeaderName = "";
1825                 }
1826
1827                 //HeaderName += PageHeader.substr(HeaderSeek, 1);
1828
1829         }
1830
1831         // Split the header data.
1832
1833         std::string DAVHeaderValue;
1834
1835         for (int HeaderSeek = 0; HeaderSeek < HeaderValue.size(); HeaderSeek++){
1836
1837                 if (HeaderValue.substr(HeaderSeek, 1) == ","){
1838                         DAVHeaderList.push_back(DAVHeaderValue);
1839                         DAVHeaderValue = "";
1840                         HeaderSeek++;
1841                         continue;
1842                 }
1843
1844                 DAVHeaderValue += HeaderValue[HeaderSeek];
1845
1846         }
1847
1848         if (DAVHeaderValue.size() > 0){
1849
1850                 DAVHeaderList.push_back(DAVHeaderValue);
1851
1852         }
1853
1854         return DAVHeaderList;
1855
1856 }
1857
1858 void CardDAV2::ProcessContactData(COContactList *ContactList){
1859
1860         xmlDocPtr xmlCardDAVDoc;
1861         xmlCardDAVDoc = xmlReadMemory(PageData.c_str(), (int)PageData.size(), "noname.xml", NULL, 0);
1862
1863         xmlNodePtr MultiStatusNode;
1864         xmlNodePtr ResponseNode;
1865         xmlNodePtr ResponseDataNode;
1866         xmlNodePtr PropStatNode;
1867         xmlNodePtr ValueNode;
1868         xmlNodePtr ETagNode;
1869         xmlNodePtr StatusNode;
1870
1871         std::string HREFValue;
1872         std::string ETagValue;
1873         std::string StatusValue;
1874         std::string SyncValue;
1875
1876         // Go through the document!
1877
1878         MultiStatusNode = xmlCardDAVDoc->children;
1879
1880         if (MultiStatusNode == nullptr){
1881                 return;
1882         }
1883
1884         bool SyncTokenFound = false;
1885
1886         // Tranverse through the catacombs of the response to get our ETag for the file and
1887         // the server syncronisation token.
1888
1889         for (ResponseNode = MultiStatusNode->children;
1890                 ResponseNode != nullptr;
1891                 ResponseNode = ResponseNode->next){
1892
1893                 // Check if tag is response or sync-token.
1894
1895                 if (!xmlStrcmp(ResponseNode->name, (const xmlChar *)"response") ||
1896                 !xmlStrcmp(ResponseNode->name, (const xmlChar *)"d:response") ||
1897                 !xmlStrcmp(ResponseNode->name, (const xmlChar *)"D:response")){
1898
1899                         COContactStatus ContactStatus = COCS_UNKNOWN;
1900
1901                         for (ResponseDataNode = ResponseNode->children;
1902                                 ResponseDataNode != nullptr;
1903                                 ResponseDataNode = ResponseDataNode->next){
1904
1905                                 if (!xmlStrcmp(ResponseDataNode->name, (const xmlChar *)"href") ||
1906                                 !xmlStrcmp(ResponseDataNode->name, (const xmlChar *)"d:href") ||
1907                                 !xmlStrcmp(ResponseDataNode->name, (const xmlChar *)"D:href")){
1908
1909                                         HREFValue = (const char*)ResponseDataNode->children->content;
1910
1911                                         // Get the filename after the last forward slash.
1912
1913                                         int LastSlash = 0;
1914
1915                                         for (int HREFValueSeek = 0; HREFValueSeek < HREFValue.size(); HREFValueSeek++){
1916
1917                                                 if (HREFValue[HREFValueSeek] == '/'){
1918
1919                                                         LastSlash = HREFValueSeek;
1920
1921                                                 }
1922
1923                                         }
1924
1925                                         HREFValue = HREFValue.substr((LastSlash + 1));
1926
1927                                 } else if (!xmlStrcmp(ResponseDataNode->name, (const xmlChar *)"propstat") ||
1928                                 !xmlStrcmp(ResponseDataNode->name, (const xmlChar *)"d:propstat") ||
1929                                 !xmlStrcmp(ResponseDataNode->name, (const xmlChar *)"D:propstat")){
1930
1931                                         for (PropStatNode = ResponseDataNode->children;
1932                                                 PropStatNode != nullptr;
1933                                                 PropStatNode = PropStatNode->next){
1934
1935                                                 if (!xmlStrcmp(PropStatNode->name, (const xmlChar *)"prop") ||
1936                                                         !xmlStrcmp(PropStatNode->name, (const xmlChar *)"d:prop") ||
1937                                                         !xmlStrcmp(PropStatNode->name, (const xmlChar *)"D:prop")){
1938
1939                                                         for (ETagNode = PropStatNode->children;
1940                                                                 ETagNode != nullptr;
1941                                                                 ETagNode = ETagNode->next){
1942
1943                                                                         if (!xmlStrcmp(ETagNode->name, (const xmlChar *)"getetag") ||
1944                                                                         !xmlStrcmp(ETagNode->name, (const xmlChar *)"getetag") ||
1945                                                                         !xmlStrcmp(ETagNode->name, (const xmlChar *)"getetag")){
1946
1947                                                                                 ETagValue = (const char*)ETagNode->children->content;
1948
1949                                                                                 if (ETagValue.size() > 2 && ETagValue.substr(0,1) == "\""){
1950                                                                                         ETagValue.erase((ETagValue.size() - 1),1);
1951                                                                                         ETagValue.erase(0,1);
1952                                                                                 }
1953
1954                                                                         }
1955
1956
1957                                                         }
1958
1959                                                 } else if (!xmlStrcmp(PropStatNode->name, (const xmlChar *)"status") ||
1960                                                         !xmlStrcmp(PropStatNode->name, (const xmlChar *)"d:status") ||
1961                                                         !xmlStrcmp(PropStatNode->name, (const xmlChar *)"D:status")){
1962
1963                                                         StatusValue = (const char*)PropStatNode->children->content;
1964
1965                                                         if (StatusValue == "HTTP/1.1 200 OK"){
1966
1967                                                                 ContactStatus = COCS_UPDATED;
1968
1969                                                         } else if (StatusValue == "HTTP/1.1 404 Not Found"){
1970
1971                                                                 ContactStatus = COCS_DELETED;
1972
1973                                                         } else {
1974
1975                                                                 ContactStatus = COCS_UNKNOWN;
1976
1977                                                         }
1978
1979                                                 }
1980
1981                                         }
1982
1983                                 }
1984
1985                         }
1986
1987                         COContactData ContactInformation;
1988
1989                         ContactInformation.Location = HREFValue;
1990                         ContactInformation.Data = ETagValue;
1991                         ContactInformation.Status = ContactStatus;
1992
1993                         HREFValue.clear();
1994                         ETagValue.clear();
1995                         StatusValue.clear();
1996
1997                         ContactList->ListData.push_back(ContactInformation);
1998
1999                 } else if (!xmlStrcmp(ResponseNode->name, (const xmlChar *)"sync-token") ||
2000                         !xmlStrcmp(ResponseNode->name, (const xmlChar *)"d:sync-token") ||
2001                         !xmlStrcmp(ResponseNode->name, (const xmlChar *)"D:sync-token")){
2002
2003                         SyncValue = (const char*)ResponseNode->children->content;
2004
2005                 }
2006
2007         }
2008
2009         ContactList->SyncToken = SyncValue;
2010
2011         xmlFreeDoc(xmlCardDAVDoc);
2012
2013         return;
2014
2015 }