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 #include <iostream>
  22
  23 using namespace std;
  24
  25 size_t CardDAV2::WritebackFunc(char *ptr, size_t size, size_t nmemb, void *stream){
  26
  27         return static_cast<CardDAV2*>(stream)->WritebackFuncImplementation(ptr, size, nmemb, stream);
  28
  29 }
  30
  31 size_t CardDAV2::WritebackFuncImplementation(char *ptr, size_t size, size_t nmemb, void *stream){
  32
  33         // Writeback function for the CardDAV object.
  34
  35         string *data = static_cast<string*>(stream);
  36         data->append(ptr);
  37
  38         // Get the SSL engine pointer and trust if required on certain operating systems.
  39
  40         if (ServerSSL){
  41
  42 #if defined(__APPLE__)
  43
  44                 const struct curl_tlssessioninfo *TLSInfo;
  45                 CURLcode TLSCode;
  46                 CURL *Connection = GetConnectionObject();
  47                 TLSCode = curl_easy_getinfo(Connection, CURLINFO_TLS_SSL_PTR, &TLSInfo);
  48
  49                 if (TLSInfo->internals != nullptr && TLSCode == CURLE_OK){
  50                         SSLCopyPeerTrust((SSLContext*)TLSInfo->internals, &SecTrustObject);
  51                 }
  52
  53 #elif defined(__WIN32__)
  54
  55                 const struct curl_tlssessioninfo *TLSInfo;
  56                 CURLcode TLSCode;
  57                 CURL *Connection = GetConnectionObject();
  58                 TLSCode = curl_easy_getinfo(Connection, CURLINFO_TLS_SSL_PTR, &TLSInfo);
  59
  60                 if (TLSInfo->internals != nullptr && TLSCode == CURLE_OK){
  61
  62                         // Free the previous certificate data.
  63
  64                         CertFreeCertificateContext(CertificateData);
  65
  66                         PCtxtHandle SSLHandle = (PCtxtHandle)TLSInfo->internals;
  67                         SECURITY_STATUS GetData = QueryContextAttributes(SSLHandle, SECPKG_ATTR_REMOTE_CERT_CONTEXT, &CertificateData);
  68
  69                 }
  70
  71 #endif
  72
  73         }
  74
  75         return size * nmemb;
  76
  77 }
  78
  79 CardDAV2::~CardDAV2(){
  80
  81         curl_easy_cleanup(ConnectionSession);
  82         ConnectionSession = nullptr;
  83
  84         if (HeaderList != nullptr){
  85                 curl_slist_free_all(HeaderList);
  86                 HeaderList = nullptr;
  87         }
  88
  89 }
  90
  91 #if defined(__APPLE__)
  92
  93 #elif defined(__WIN32__)
  94
  95 #else
  96
  97 SSLCertCollectionString CardDAV2::BuildSSLCollection(){
  98
  99         // Build and return the SSL collection.
 100
 101         SSLCertCollectionString SSLCertInfo;
 102
 103         // Grab the certificate data.
 104
 105         union {
 106                 struct curl_slist *certdata;
 107                 struct curl_certinfo *certinfo;
 108         } certptr;
 109
 110         certptr.certdata = NULL;
 111
 112         curl_easy_getinfo(ConnectionSession, CURLINFO_CERTINFO, &certptr.certinfo);
 113
 114         std::string CertPropName;
 115         std::string CertPropValue;
 116
 117         for (int i = 0; i < certptr.certinfo->num_of_certs; i++){
 118
 119                 struct curl_slist *slist;
 120                 SSLCertDataString SSLCertDataInc;
 121
 122                 for (slist = certptr.certinfo->certinfo[i]; slist; slist = slist->next){
 123
 124                         // Using wxStringTokenizer from wxWidgets.
 125
 126                         wxStringTokenizer CertDataInc(wxString::FromUTF8(slist->data), ":");
 127
 128                         // Get first token as the property name.
 129
 130                         CertPropName = CertDataInc.GetNextToken().ToStdString();
 131
 132                         // Get remaining tokens as the property value.
 133
 134                         while(CertDataInc.HasMoreTokens()){
 135
 136                                 CertPropValue.append(CertDataInc.GetNextToken());
 137
 138                         }
 139
 140                         SSLCertDataInc.CertData.insert(std::make_pair(CertPropName, CertPropValue));
 141                         CertPropName.clear();
 142                         CertPropValue.clear();
 143
 144                 }
 145
 146                 SSLCertInfo.SSLCollection.insert(std::make_pair(i, SSLCertDataInc));
 147
 148         }
 149
 150         return SSLCertInfo;
 151
 152 }
 153
 154 void CardDAV2::BypassSSLVerification(bool EnableBypass){
 155         EnableSSLBypass = EnableBypass;
 156         SSLSelfSigned = EnableBypass;
 157 }
 158
 159 #endif
 160
 161 void CardDAV2::SetupConnectionObject(){
 162         ConnectionSession = curl_easy_init();
 163 }
 164
 165 bool CardDAV2::IsTaskCompleted(){
 166         return false;
 167 }
 168
 169 COConnectResult CardDAV2::Connect(bool DoAuthentication){
 170
 171         ServerSSL ? SetupDefaultParametersSSL(DoAuthentication) : SetupDefaultParametersNonSSL(DoAuthentication);
 172         ResetResults();
 173
 174         COConnectResult ConnectResult = COCONNECT_UNITTESTFAIL;
 175         string ServerAddressURL = BuildURL("/principals/");
 176
 177         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
 178
 179         if (TestMode == true){
 180                 SessionResult = curl_easy_perform(ConnectionSession);
 181         } else {
 182                 SessionResult = curl_easy_perform(ConnectionSession);
 183         }
 184
 185         switch(SessionResult){
 186                 case CURLE_OK:
 187                 case CURLE_HTTP_RETURNED_ERROR:
 188                         SSLStatus = true;
 189                         SSLVerified = COSSL_VERIFIED;
 190                         ConnectResult = COCONNECT_OK;
 191                         break;
 192                 case CURLE_SSL_CACERT:
 193                 case CURLE_SSL_CONNECT_ERROR:
 194                         SSLStatus = true;
 195                         ConnectResult = COCONNECT_OK;
 196                         SSLVerified = COSSL_UNABLETOVERIFY;
 197                         break;
 198                 default:
 199                         ConnectResult = COCONNECT_INVALID;
 200                         break;
 201         };
 202
 203         // Check if an error occured before continuing.
 204
 205         // Check if authentication was successful.
 206
 207         long SessionResponseCode = 0;
 208
 209         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
 210
 211         if (DoAuthentication == true){
 212
 213                 // Get the HTTP status code (Should be 200 and not 403).
 214                 // Return error otherwise.
 215
 216                 if (SessionResponseCode == 200){
 217                         ConnectResult = COCONNECT_OK;
 218                         AuthPassed = true;
 219                         ValidResponse = true;
 220                 } else if (SessionResponseCode == 401){
 221                         ConnectResult = COCONNECT_AUTHFAIL;
 222                         AuthPassed = false;
 223                         ValidResponse = true;
 224                 } else if (SessionResponseCode >= 200) {
 225                         ConnectResult = COCONNECT_INVALID;
 226                         AuthPassed = false;
 227                         ValidResponse = true;
 228                 } else {
 229                         ConnectResult = COCONNECT_INVALID;
 230                         AuthPassed = false;
 231                         ValidResponse = false;
 232                 }
 233
 234         } else {
 235
 236                 ValidResponse = true;
 237
 238         }
 239
 240         // Check the header to see if CardDAV is supported.
 241
 242         vector<string> DAVHeaderValues = GetDAVHeader();
 243
 244         for (vector<string>::iterator DAVHeaderValuesIter = DAVHeaderValues.begin();
 245                 DAVHeaderValuesIter != DAVHeaderValues.end(); DAVHeaderValuesIter++){
 246
 247                 if ((*DAVHeaderValuesIter) == "addressbook"){
 248                         CanProcess = true;
 249                         break;
 250                 }
 251
 252         }
 253
 254         return ConnectResult;
 255
 256 }
 257
 258 COServerResponse CardDAV2::GetDefaultPrefix(string *ServerPrefix){
 259
 260         // Check if authentication was successful, otherwise don't do anything.
 261
 262         COServerResponse ServerResponse;
 263
 264         if (AuthPassed == false){
 265                 ServerResponse.RequestResult = COREQUEST_ERROR_NOTCONNECTED;
 266                 ServerResponse.EntityTag = "";
 267                 ServerResponse.SessionCode = 0;
 268                 ServerResponse.ResultCode = 0;
 269                 ServerResponse.ResultMessage = "";
 270                 return ServerResponse;
 271         }
 272
 273         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
 274         ResetResults();
 275
 276         // Need to do three requests:
 277
 278         // 1. Get the current user principal URI.
 279         // 2. Get the address book home URI.
 280         // 3. Get the default address book URI.
 281
 282         // Setup the first query finding out where the principal URL is.
 283
 284         const char* CurrentUserPrincipalXMLQuery = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
 285                 "<D:propfind xmlns:D=\"DAV:\">\n"
 286                 " <D:prop>"
 287                 "  <D:current-user-principal/>\n"
 288                 " </D:prop>"
 289                 "</D:propfind>";
 290
 291         // Setup the second query finding out where the address book home URL is.
 292
 293         const char* AddressBookHomeXMLQuery = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
 294         "<D:propfind xmlns:D=\"DAV:\""
 295         "  xmlns:C=\"urn:ietf:params:xml:ns:carddav\">\n"
 296         "  <D:prop>\n"
 297         "    <C:addressbook-home-set/>\n"
 298         "  </D:prop>\n"
 299         "</D:propfind>";
 300
 301         // Setup the third query finding out where the default address book URL is.
 302
 303         const char* DefaultAddressBookXMLQuery = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
 304         "<D:propfind xmlns:D=\"DAV:\""
 305         "  xmlns:C=\"urn:ietf:params:xml:ns:carddav\">\n"
 306         "  <D:prop>\n"
 307         "    <C:default-addressbook-URL/>\n"
 308         "  </D:prop>\n"
 309         "</D:propfind>";
 310
 311         string ServerAddressURL = BuildURL("/principals/");
 312         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
 313         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "PROPFIND");
 314         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, CurrentUserPrincipalXMLQuery);
 315         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, strlen(CurrentUserPrincipalXMLQuery));
 316
 317         if (TestMode == true){
 318                 SessionResult = curl_easy_perform(ConnectionSession);
 319         } else {
 320
 321         }
 322
 323         switch(SessionResult){
 324                 case CURLE_OK:
 325                         SSLStatus = true;
 326                         SSLVerified = COSSL_VERIFIED;
 327                         break;
 328                 case CURLE_SSL_CACERT:
 329                 case CURLE_SSL_CONNECT_ERROR:
 330                         SSLStatus = true;
 331                         SSLVerified = COSSL_UNABLETOVERIFY;
 332                         break;
 333                 default:
 334                         break;
 335         };
 336
 337         long SessionResponseCode = 0;
 338
 339         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
 340
 341         if (SessionResponseCode == 200 || SessionResponseCode == 207){
 342                 AuthPassed = true;
 343                 ValidResponse = true;
 344         } else if (SessionResponseCode == 403){
 345                 AuthPassed = false;
 346                 ValidResponse = true;
 347         } else if (SessionResponseCode >= 400) {
 348                 AuthPassed = false;
 349                 ValidResponse = true;
 350         } else {
 351                 AuthPassed = false;
 352                 ValidResponse = false;
 353         }
 354
 355         if (ValidResponse == false && AuthPassed == false){
 356                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
 357                 ServerResponse.EntityTag = "";
 358                 ServerResponse.SessionCode = SessionResult;
 359                 ServerResponse.ResultCode = SessionResponseCode;
 360                 ServerResponse.ResultMessage = "";
 361                 return ServerResponse;
 362         }
 363
 364         // Process the first response.
 365
 366         string UserPrincipalURI = GetUserPrincipalURI();
 367
 368         // Cleanup and reset for the second connection.
 369
 370         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
 371         ResetResults();
 372
 373         ServerAddressURL = BuildURL(UserPrincipalURI);
 374         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
 375         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "PROPFIND");
 376         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, AddressBookHomeXMLQuery);
 377         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, strlen(AddressBookHomeXMLQuery));
 378
 379         if (TestMode == true){
 380                 SessionResult = curl_easy_perform(ConnectionSession);
 381         } else {
 382
 383         }
 384
 385         switch(SessionResult){
 386                 case CURLE_OK:
 387                         SSLStatus = true;
 388                         SSLVerified = COSSL_VERIFIED;
 389                         break;
 390                 case CURLE_SSL_CACERT:
 391                 case CURLE_SSL_CONNECT_ERROR:
 392                         SSLStatus = true;
 393                         SSLVerified = COSSL_UNABLETOVERIFY;
 394                         break;
 395                 default:
 396                         break;
 397         };
 398
 399         SessionResponseCode = 0;
 400
 401         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
 402
 403         if (SessionResponseCode == 200 || SessionResponseCode == 207){
 404                 AuthPassed = true;
 405                 ValidResponse = true;
 406         } else if (SessionResponseCode == 403){
 407                 AuthPassed = false;
 408                 ValidResponse = true;
 409         } else if (SessionResponseCode >= 400) {
 410                 AuthPassed = false;
 411                 ValidResponse = true;
 412         } else {
 413                 AuthPassed = false;
 414                 ValidResponse = false;
 415         }
 416
 417         if (ValidResponse == false && AuthPassed == false){
 418                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
 419                 ServerResponse.EntityTag = "";
 420                 ServerResponse.SessionCode = SessionResult;
 421                 ServerResponse.ResultCode = SessionResponseCode;
 422                 ServerResponse.ResultMessage = "";
 423                 return ServerResponse;
 424         }
 425
 426         // Process the second response.
 427
 428         string AddressBookHomeURI = GetAddressBookHomeURI();
 429
 430         // Cleanup and reset for the second connection.
 431
 432         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
 433         ResetResults();
 434
 435         ServerAddressURL = BuildURL(AddressBookHomeURI);
 436         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
 437         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "PROPFIND");
 438         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, DefaultAddressBookXMLQuery);
 439         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, strlen(DefaultAddressBookXMLQuery));
 440
 441         if (TestMode == true){
 442                 SessionResult = curl_easy_perform(ConnectionSession);
 443         } else {
 444
 445         }
 446
 447         switch(SessionResult){
 448                 case CURLE_OK:
 449                         SSLStatus = true;
 450                         SSLVerified = COSSL_VERIFIED;
 451                         break;
 452                 case CURLE_SSL_CACERT:
 453                 case CURLE_SSL_CONNECT_ERROR:
 454                         SSLStatus = true;
 455                         SSLVerified = COSSL_UNABLETOVERIFY;
 456                         break;
 457                 default:
 458                         break;
 459         };
 460
 461         SessionResponseCode = 0;
 462
 463         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
 464
 465         if (SessionResponseCode == 200 || SessionResponseCode == 207){
 466                 AuthPassed = true;
 467                 ValidResponse = true;
 468         } else if (SessionResponseCode == 403){
 469                 AuthPassed = false;
 470                 ValidResponse = true;
 471         } else if (SessionResponseCode >= 200) {
 472                 AuthPassed = false;
 473                 ValidResponse = true;
 474         } else {
 475                 AuthPassed = false;
 476                 ValidResponse = false;
 477         }
 478
 479         if (ValidResponse == false || AuthPassed == false){
 480                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
 481                 ServerResponse.EntityTag = "";
 482                 ServerResponse.SessionCode = SessionResult;
 483                 ServerResponse.ResultCode = SessionResponseCode;
 484                 ServerResponse.ResultMessage = "";
 485                 return ServerResponse;
 486         }
 487
 488         // Process the second response.
 489
 490         (*ServerPrefix) = GetDefaultAddressBookURI();
 491
 492         CanProcess = true;
 493
 494         ServerResponse.RequestResult = COREQUEST_OK;
 495         ServerResponse.EntityTag = "";
 496         ServerResponse.SessionCode = SessionResult;
 497         ServerResponse.ResultCode = SessionResponseCode;
 498         ServerResponse.ResultMessage = SessionErrorBuffer;
 499         return ServerResponse;
 500
 501 }
 502
 503 std::string CardDAV2::GetUserPrincipalURI(){
 504
 505         xmlDocPtr xmlCardDAVDoc;
 506         xmlCardDAVDoc = xmlReadMemory(PageData.c_str(), (int)PageData.size(), "noname.xml", NULL, 0);
 507         string UserPrincipalURI = "";
 508
 509         xmlNodePtr nodeLevel1;
 510         xmlNodePtr nodeLevel2;
 511         xmlNodePtr nodeLevel3;
 512         xmlNodePtr nodeLevel4;
 513         xmlNodePtr nodeLevel5;
 514         xmlNodePtr nodeLevel6;
 515         xmlNodePtr nodeLevel7;
 516
 517         for (nodeLevel1 = xmlCardDAVDoc->children;
 518                 nodeLevel1 != NULL;
 519                 nodeLevel1 = nodeLevel1->next)
 520         {
 521
 522                 for (nodeLevel2 = nodeLevel1->children;
 523                         nodeLevel2 != NULL;
 524                         nodeLevel2 = nodeLevel2->next)
 525                 {
 526
 527
 528                         for (nodeLevel3 = nodeLevel2->children;
 529                         nodeLevel3 != NULL;
 530                         nodeLevel3 = nodeLevel3->next)
 531                         {
 532
 533                                 for (nodeLevel4 = nodeLevel3->children;
 534                                 nodeLevel4 != NULL;
 535                                 nodeLevel4 = nodeLevel4->next)
 536                                 {
 537
 538                                         for (nodeLevel5 = nodeLevel4->children;
 539                                         nodeLevel5 != NULL;
 540                                         nodeLevel5 = nodeLevel5->next)
 541                                         {
 542
 543                                                 for (nodeLevel6 = nodeLevel5->children;
 544                                                 nodeLevel6 != NULL;
 545                                                 nodeLevel6 = nodeLevel6->next)
 546                                                 {
 547
 548                                                         if (!xmlStrcmp(nodeLevel6->name, (const xmlChar *)"href") ||
 549                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"d:href") ||
 550                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"D:href")
 551                                                         ){
 552
 553                                                                 // Found the <href> part so extract the principal URL address.
 554
 555                                                                 for (nodeLevel7 = nodeLevel6->children;
 556                                                                 nodeLevel7 != NULL;
 557                                                                 nodeLevel7 = nodeLevel7->next)
 558                                                                 {
 559
 560                                                                         UserPrincipalURI = ((const char*)nodeLevel7->content);
 561
 562                                                                 }
 563
 564                                                         }
 565
 566                                                 }
 567
 568                                         }
 569
 570                                 }
 571
 572                         }
 573
 574                 }
 575
 576         }
 577
 578         xmlFreeDoc(xmlCardDAVDoc);
 579
 580         return UserPrincipalURI;
 581
 582 }
 583
 584 std::string CardDAV2::GetAddressBookHomeURI(){
 585
 586         xmlDocPtr xmlCardDAVDoc;
 587         xmlCardDAVDoc = xmlReadMemory(PageData.c_str(), (int)PageData.size(), "noname.xml", NULL, 0);
 588         string AddressBookHomeURI = "";
 589
 590         xmlNodePtr nodeLevel1;
 591         xmlNodePtr nodeLevel2;
 592         xmlNodePtr nodeLevel3;
 593         xmlNodePtr nodeLevel4;
 594         xmlNodePtr nodeLevel5;
 595         xmlNodePtr nodeLevel6;
 596         xmlNodePtr nodeLevel7;
 597
 598         for (nodeLevel1 = xmlCardDAVDoc->children;
 599                 nodeLevel1 != NULL;
 600                 nodeLevel1 = nodeLevel1->next)
 601         {
 602
 603                 for (nodeLevel2 = nodeLevel1->children;
 604                         nodeLevel2 != NULL;
 605                         nodeLevel2 = nodeLevel2->next)
 606                 {
 607
 608
 609                         for (nodeLevel3 = nodeLevel2->children;
 610                         nodeLevel3 != NULL;
 611                         nodeLevel3 = nodeLevel3->next)
 612                         {
 613
 614                                 for (nodeLevel4 = nodeLevel3->children;
 615                                 nodeLevel4 != NULL;
 616                                 nodeLevel4 = nodeLevel4->next)
 617                                 {
 618
 619                                         for (nodeLevel5 = nodeLevel4->children;
 620                                         nodeLevel5 != NULL;
 621                                         nodeLevel5 = nodeLevel5->next)
 622                                         {
 623
 624                                                 for (nodeLevel6 = nodeLevel5->children;
 625                                                 nodeLevel6 != NULL;
 626                                                 nodeLevel6 = nodeLevel6->next)
 627                                                 {
 628
 629                                                         if (!xmlStrcmp(nodeLevel6->name, (const xmlChar *)"href") ||
 630                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"d:href") ||
 631                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"D:href")
 632                                                         ){
 633
 634                                                                 // Found the <href> part so extract the principal URL address.
 635
 636                                                                 for (nodeLevel7 = nodeLevel6->children;
 637                                                                 nodeLevel7 != NULL;
 638                                                                 nodeLevel7 = nodeLevel7->next)
 639                                                                 {
 640
 641                                                                         AddressBookHomeURI = ((const char*)nodeLevel7->content);
 642
 643                                                                 }
 644
 645                                                         }
 646
 647                                                 }
 648
 649                                         }
 650
 651                                 }
 652
 653                         }
 654
 655                 }
 656
 657         }
 658
 659         xmlFreeDoc(xmlCardDAVDoc);
 660
 661         return AddressBookHomeURI;
 662
 663 }
 664
 665 std::string CardDAV2::GetDefaultAddressBookURI(){
 666
 667         xmlDocPtr xmlCardDAVDoc;
 668         xmlCardDAVDoc = xmlReadMemory(PageData.c_str(), (int)PageData.size(), "noname.xml", NULL, 0);
 669         string DefaultAddressBookURI = "";
 670
 671         xmlNodePtr nodeLevel1;
 672         xmlNodePtr nodeLevel2;
 673         xmlNodePtr nodeLevel3;
 674         xmlNodePtr nodeLevel4;
 675         xmlNodePtr nodeLevel5;
 676         xmlNodePtr nodeLevel6;
 677         xmlNodePtr nodeLevel7;
 678
 679         for (nodeLevel1 = xmlCardDAVDoc->children;
 680                 nodeLevel1 != NULL;
 681                 nodeLevel1 = nodeLevel1->next)
 682         {
 683
 684                 for (nodeLevel2 = nodeLevel1->children;
 685                         nodeLevel2 != NULL;
 686                         nodeLevel2 = nodeLevel2->next)
 687                 {
 688
 689
 690                         for (nodeLevel3 = nodeLevel2->children;
 691                         nodeLevel3 != NULL;
 692                         nodeLevel3 = nodeLevel3->next)
 693                         {
 694
 695                                 for (nodeLevel4 = nodeLevel3->children;
 696                                 nodeLevel4 != NULL;
 697                                 nodeLevel4 = nodeLevel4->next)
 698                                 {
 699
 700                                         for (nodeLevel5 = nodeLevel4->children;
 701                                         nodeLevel5 != NULL;
 702                                         nodeLevel5 = nodeLevel5->next)
 703                                         {
 704
 705                                                 for (nodeLevel6 = nodeLevel5->children;
 706                                                 nodeLevel6 != NULL;
 707                                                 nodeLevel6 = nodeLevel6->next)
 708                                                 {
 709
 710                                                         if (!xmlStrcmp(nodeLevel6->name, (const xmlChar *)"href") ||
 711                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"d:href") ||
 712                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"D:href")
 713                                                         ){
 714
 715                                                                 // Found the <href> part so extract the principal URL address.
 716
 717                                                                 for (nodeLevel7 = nodeLevel6->children;
 718                                                                 nodeLevel7 != NULL;
 719                                                                 nodeLevel7 = nodeLevel7->next)
 720                                                                 {
 721
 722                                                                         DefaultAddressBookURI = ((const char*)nodeLevel7->content);
 723
 724                                                                 }
 725
 726                                                         }
 727
 728                                                 }
 729
 730                                         }
 731
 732                                 }
 733
 734                         }
 735
 736                 }
 737
 738         }
 739
 740         xmlFreeDoc(xmlCardDAVDoc);
 741
 742         return DefaultAddressBookURI;
 743
 744 }
 745
 746 COServerResponse CardDAV2::AddContact(std::string Location, std::string Data){
 747
 748         // Check if authentication was successful, otherwise don't do anything.
 749
 750         COServerResponse ServerResponse;
 751
 752         if (AuthPassed == false){
 753                 ServerResponse.RequestResult = COREQUEST_ERROR_NOTCONNECTED;
 754                 ServerResponse.EntityTag = "";
 755                 ServerResponse.SessionCode = 0;
 756                 ServerResponse.ResultCode = 0;
 757                 ServerResponse.ResultMessage = "";
 758                 return ServerResponse;
 759         }
 760
 761         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
 762         ResetResults();
 763
 764         string ServerAddressURL = BuildURL(ServerPrefix + Location);
 765         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
 766         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "PUT");
 767         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, Data.c_str());
 768         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, strlen(Data.c_str()));
 769
 770         HeaderList = curl_slist_append(HeaderList, "Content-Type: text/vcard; charset=utf-8");
 771
 772         curl_easy_setopt(ConnectionSession, CURLOPT_HTTPHEADER, HeaderList);
 773
 774         if (TestMode == true){
 775                 SessionResult = curl_easy_perform(ConnectionSession);
 776         } else {
 777                 SessionResult = curl_easy_perform(ConnectionSession);
 778         }
 779
 780         switch(SessionResult){
 781                 case CURLE_OK:
 782                         SSLStatus = true;
 783                         SSLVerified = COSSL_VERIFIED;
 784                         break;
 785                 case CURLE_SSL_CACERT:
 786                 case CURLE_SSL_CONNECT_ERROR:
 787                         SSLStatus = true;
 788                         SSLVerified = COSSL_UNABLETOVERIFY;
 789                         break;
 790                 default:
 791                         break;
 792         };
 793
 794         long SessionResponseCode = 0;
 795
 796         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
 797
 798         if (SessionResponseCode == 200 || SessionResponseCode == 201 || SessionResponseCode == 204){
 799                 AuthPassed = true;
 800                 ValidResponse = true;
 801         } else if (SessionResponseCode == 403){
 802                 AuthPassed = false;
 803                 ValidResponse = true;
 804         } else if (SessionResponseCode >= 400){
 805                 AuthPassed = false;
 806                 ValidResponse = true;
 807         } else {
 808                 AuthPassed = false;
 809                 ValidResponse = false;
 810         }
 811
 812         if (ValidResponse == false || AuthPassed == false){
 813                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
 814                 ServerResponse.EntityTag = "";
 815                 ServerResponse.SessionCode = SessionResult;
 816                 ServerResponse.ResultCode = SessionResponseCode;
 817                 ServerResponse.ResultMessage = "";
 818                 return ServerResponse;
 819         }
 820
 821         CanProcess = true;
 822
 823         ServerResponse.RequestResult = COREQUEST_OK;
 824         ServerResponse.EntityTag = "";
 825         ServerResponse.SessionCode = SessionResult;
 826         ServerResponse.ResultCode = SessionResponseCode;
 827         ServerResponse.ResultMessage = SessionErrorBuffer;
 828         return ServerResponse;
 829
 830 }
 831
 832 COServerResponse CardDAV2::EditContact(std::string Location, std::string Data){
 833
 834         // Check if authentication was successful, otherwise don't do anything.
 835
 836         COServerResponse ServerResponse;
 837
 838         if (AuthPassed == false){
 839                 ServerResponse.RequestResult = COREQUEST_ERROR_NOTCONNECTED;
 840                 ServerResponse.EntityTag = "";
 841                 ServerResponse.SessionCode = 0;
 842                 ServerResponse.ResultCode = 0;
 843                 ServerResponse.ResultMessage = "";
 844                 return ServerResponse;
 845         }
 846
 847         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
 848         ResetResults();
 849
 850         string ServerAddressURL = BuildURL(ServerPrefix + Location);
 851         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
 852         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "PUT");
 853         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, Data.c_str());
 854         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, strlen(Data.c_str()));
 855
 856         HeaderList = curl_slist_append(HeaderList, "Content-Type: text/vcard; charset=utf-8");
 857
 858         curl_easy_setopt(ConnectionSession, CURLOPT_HTTPHEADER, HeaderList);
 859
 860         if (TestMode == true){
 861                 SessionResult = curl_easy_perform(ConnectionSession);
 862         } else {
 863                 SessionResult = curl_easy_perform(ConnectionSession);
 864         }
 865
 866         switch(SessionResult){
 867                 case CURLE_OK:
 868                         SSLStatus = true;
 869                         SSLVerified = COSSL_VERIFIED;
 870                         break;
 871                 case CURLE_SSL_CACERT:
 872                 case CURLE_SSL_CONNECT_ERROR:
 873                         SSLStatus = true;
 874                         SSLVerified = COSSL_UNABLETOVERIFY;
 875                         break;
 876                 default:
 877                         break;
 878         };
 879
 880         long SessionResponseCode = 0;
 881
 882         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
 883
 884         if (SessionResponseCode == 200 || SessionResponseCode == 201 || SessionResponseCode == 204){
 885                 AuthPassed = true;
 886                 ValidResponse = true;
 887         } else if (SessionResponseCode == 403){
 888                 AuthPassed = false;
 889                 ValidResponse = true;
 890         } else if (SessionResponseCode >= 400){
 891                 AuthPassed = false;
 892                 ValidResponse = true;
 893         } else {
 894                 AuthPassed = false;
 895                 ValidResponse = false;
 896         }
 897
 898         if (ValidResponse == false || AuthPassed == false){
 899                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
 900                 ServerResponse.EntityTag = "";
 901                 ServerResponse.SessionCode = SessionResult;
 902                 ServerResponse.ResultCode = SessionResponseCode;
 903                 ServerResponse.ResultMessage = "";
 904                 return ServerResponse;
 905         }
 906
 907         CanProcess = true;
 908
 909         ServerResponse.RequestResult = COREQUEST_OK;
 910         ServerResponse.EntityTag = "";
 911         ServerResponse.SessionCode = SessionResult;
 912         ServerResponse.ResultCode = SessionResponseCode;
 913         ServerResponse.ResultMessage = SessionErrorBuffer;
 914         return ServerResponse;
 915
 916 }
 917
 918 COServerResponse CardDAV2::DeleteContact(std::string Location){
 919
 920         // Check if authentication was successful, otherwise don't do anything.
 921
 922         COServerResponse ServerResponse;
 923
 924         if (AuthPassed == false){
 925                 ServerResponse.RequestResult = COREQUEST_ERROR_NOTCONNECTED;
 926                 ServerResponse.EntityTag = "";
 927                 ServerResponse.SessionCode = 0;
 928                 ServerResponse.ResultCode = 0;
 929                 ServerResponse.ResultMessage = "";
 930                 return ServerResponse;
 931         }
 932
 933         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
 934         ResetResults();
 935
 936         string ServerAddressURL = BuildURL(ServerPrefix + Location);
 937         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
 938         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "DELETE");
 939
 940         if (TestMode == true){
 941                 SessionResult = curl_easy_perform(ConnectionSession);
 942         } else {
 943                 SessionResult = curl_easy_perform(ConnectionSession);
 944         }
 945
 946         switch(SessionResult){
 947                 case CURLE_OK:
 948                         SSLStatus = true;
 949                         SSLVerified = COSSL_VERIFIED;
 950                         break;
 951                 case CURLE_SSL_CACERT:
 952                 case CURLE_SSL_CONNECT_ERROR:
 953                         SSLStatus = true;
 954                         SSLVerified = COSSL_UNABLETOVERIFY;
 955                         break;
 956                 default:
 957                         break;
 958         };
 959
 960         long SessionResponseCode = 0;
 961
 962         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
 963
 964         if (SessionResponseCode == 200 || SessionResponseCode == 202 || SessionResponseCode == 204){
 965                 AuthPassed = true;
 966                 ValidResponse = true;
 967         } else if (SessionResponseCode == 403){
 968                 AuthPassed = false;
 969                 ValidResponse = true;
 970         } else if (SessionResponseCode >= 400){
 971                 AuthPassed = false;
 972                 ValidResponse = true;
 973         } else {
 974                 AuthPassed = false;
 975                 ValidResponse = false;
 976         }
 977
 978         if (ValidResponse == false || AuthPassed == false){
 979                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
 980                 ServerResponse.EntityTag = "";
 981                 ServerResponse.SessionCode = SessionResult;
 982                 ServerResponse.ResultCode = SessionResponseCode;
 983                 ServerResponse.ResultMessage = "";
 984                 return ServerResponse;
 985         }
 986
 987         CanProcess = true;
 988
 989         ServerResponse.RequestResult = COREQUEST_OK;
 990         ServerResponse.EntityTag = "";
 991         ServerResponse.SessionCode = SessionResult;
 992         ServerResponse.ResultCode = SessionResponseCode;
 993         ServerResponse.ResultMessage = SessionErrorBuffer;
 994         return ServerResponse;
 995
 996 }
 997
 998 COServerResponse CardDAV2::GetServerEntityTagValue(std::string Location){
 999
1000         // Check if authentication was successful, otherwise don't do anything.
1001
1002         COServerResponse ServerResponse;
1003
1004         if (AuthPassed == false){
1005                 ServerResponse.RequestResult = COREQUEST_ERROR_NOTCONNECTED;
1006                 ServerResponse.EntityTag = "";
1007                 ServerResponse.SessionCode = 0;
1008                 ServerResponse.ResultCode = 0;
1009                 ServerResponse.ResultMessage = "";
1010                 return ServerResponse;
1011         }
1012
1013         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
1014         ResetResults();
1015
1016         static const char* GetETagQuery =
1017         "<?xml version=\"1.0\" encoding=\"utf-8\" ?>"
1018         "<C:addressbook-query xmlns:D=\"DAV:\""
1019         "       xmlns:C=\"urn:ietf:params:xml:ns:carddav\">"
1020         "<D:prop><D:getetag/>"
1021         "</D:prop>"
1022         "<C:filter/>"
1023         "</C:addressbook-query>";
1024
1025         string ServerAddressURL = BuildURL(ServerPrefix + Location);
1026         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
1027         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "REPORT");
1028         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, GetETagQuery);
1029         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, strlen(GetETagQuery));
1030
1031         if (TestMode == true){
1032                 SessionResult = curl_easy_perform(ConnectionSession);
1033         } else {
1034                 SessionResult = curl_easy_perform(ConnectionSession);
1035         }
1036
1037         switch(SessionResult){
1038                 case CURLE_OK:
1039                         SSLStatus = true;
1040                         SSLVerified = COSSL_VERIFIED;
1041                         break;
1042                 case CURLE_SSL_CACERT:
1043                 case CURLE_SSL_CONNECT_ERROR:
1044                         SSLStatus = true;
1045                         SSLVerified = COSSL_UNABLETOVERIFY;
1046                         break;
1047                 default:
1048                         break;
1049         };
1050
1051         long SessionResponseCode = 0;
1052
1053         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
1054
1055         if (SessionResponseCode == 207){
1056                 AuthPassed = true;
1057                 ValidResponse = true;
1058         } else if (SessionResponseCode == 403){
1059                 AuthPassed = false;
1060                 ValidResponse = true;
1061         } else if (SessionResponseCode >= 400){
1062                 AuthPassed = false;
1063                 ValidResponse = true;
1064         } else {
1065                 AuthPassed = false;
1066                 ValidResponse = false;
1067         }
1068
1069         if (ValidResponse == false || AuthPassed == false){
1070                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
1071                 ServerResponse.EntityTag = "";
1072                 ServerResponse.SessionCode = SessionResult;
1073                 ServerResponse.ResultCode = SessionResponseCode;
1074                 ServerResponse.ResultMessage = "";
1075                 return ServerResponse;
1076         }
1077
1078         CanProcess = true;
1079
1080         ServerResponse.RequestResult = COREQUEST_OK;
1081         ServerResponse.EntityTag = GetETagValue();
1082         ServerResponse.SessionCode = SessionResult;
1083         ServerResponse.ResultCode = SessionResponseCode;
1084         ServerResponse.ResultMessage = SessionErrorBuffer;
1085
1086         return ServerResponse;
1087
1088 }
1089
1090 COServerResponse CardDAV2::GetContact(std::string Location, std::string *ContactData){
1091
1092         // Check if authentication was successful, otherwise don't do anything.
1093
1094         COServerResponse ServerResponse;
1095
1096         if (AuthPassed == false){
1097                 ServerResponse.RequestResult = COREQUEST_ERROR_NOTCONNECTED;
1098                 ServerResponse.EntityTag = "";
1099                 ServerResponse.SessionCode = 0;
1100                 ServerResponse.ResultCode = 0;
1101                 ServerResponse.ResultMessage = "";
1102                 return ServerResponse;
1103         }
1104
1105         ServerSSL ? SetupDefaultParametersSSL(true) : SetupDefaultParametersNonSSL(true);
1106         ResetResults();
1107
1108         string ServerAddressURL = BuildURL(ServerPrefix + Location);
1109         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
1110         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "GET");
1111
1112         if (TestMode == true){
1113                 SessionResult = curl_easy_perform(ConnectionSession);
1114         } else {
1115                 SessionResult = curl_easy_perform(ConnectionSession);
1116         }
1117
1118         switch(SessionResult){
1119                 case CURLE_OK:
1120                         SSLStatus = true;
1121                         SSLVerified = COSSL_VERIFIED;
1122                         break;
1123                 case CURLE_SSL_CACERT:
1124                 case CURLE_SSL_CONNECT_ERROR:
1125                         SSLStatus = true;
1126                         SSLVerified = COSSL_UNABLETOVERIFY;
1127                         break;
1128                 default:
1129                         break;
1130         };
1131
1132         long SessionResponseCode = 0;
1133
1134         curl_easy_getinfo(ConnectionSession, CURLINFO_RESPONSE_CODE, &SessionResponseCode);
1135
1136         if (SessionResponseCode == 200){
1137                 AuthPassed = true;
1138                 ValidResponse = true;
1139         } else if (SessionResponseCode == 403){
1140                 AuthPassed = false;
1141                 ValidResponse = true;
1142         } else if (SessionResponseCode >= 400){
1143                 AuthPassed = false;
1144                 ValidResponse = true;
1145         } else {
1146                 AuthPassed = false;
1147                 ValidResponse = false;
1148         }
1149
1150         if (ValidResponse == false && AuthPassed == false){
1151                 ServerResponse.RequestResult = COREQUEST_ERROR_SERVER;
1152                 ServerResponse.EntityTag = "";
1153                 ServerResponse.SessionCode = SessionResult;
1154                 ServerResponse.ResultCode = SessionResponseCode;
1155                 ServerResponse.ResultMessage = "";
1156                 return ServerResponse;
1157         }
1158
1159         CanProcess = true;
1160
1161         ServerResponse.RequestResult = COREQUEST_OK;
1162         ServerResponse.EntityTag = "";
1163         ServerResponse.SessionCode = SessionResult;
1164         ServerResponse.ResultCode = SessionResponseCode;
1165         ServerResponse.ResultMessage = SessionErrorBuffer;
1166
1167         (*ContactData) = PageData;
1168
1169         return ServerResponse;
1170
1171 }
1172
1173 COContactList CardDAV2::GetContactList(std::string SyncToken){
1174
1175 }
1176
1177 bool CardDAV2::CanDoProcessing(){
1178         return CanProcess;
1179 }
1180
1181 bool CardDAV2::CanDoSSL(){
1182         return SSLStatus;
1183 }
1184
1185 COSSLVerified CardDAV2::SSLVerify(){
1186         return SSLVerified;
1187 }
1188
1189 bool CardDAV2::AbleToLogin(){
1190         return AuthPassed;
1191 }
1192
1193 bool CardDAV2::HasValidResponse(){
1194         return ValidResponse;
1195 }
1196
1197 bool CardDAV2::IsSelfSigned(){
1198         return SSLSelfSigned;
1199 }
1200
1201 void CardDAV2::SetupDefaultParametersNonSSL(bool DoAuthentication){
1202
1203         std::string ServerAddress = "";
1204
1205         string ServerAddressURL = "http://" + ServerAddress + ":" + to_string(ServerPort) + "/";
1206         string UsernamePassword = ServerUser + ":" + ServerPass;
1207
1208         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddress.c_str());
1209         curl_easy_setopt(ConnectionSession, CURLOPT_NOPROGRESS, 1L);
1210         curl_easy_setopt(ConnectionSession, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
1211         curl_easy_setopt(ConnectionSession, CURLOPT_TIMEOUT, 60);
1212         curl_easy_setopt(ConnectionSession, CURLOPT_FAILONERROR, true);
1213         curl_easy_setopt(ConnectionSession, CURLOPT_USERAGENT, XSDAB_USERAGENT);
1214         curl_easy_setopt(ConnectionSession, CURLOPT_WRITEFUNCTION, CardDAV2::WritebackFunc);
1215         curl_easy_setopt(ConnectionSession, CURLOPT_WRITEDATA, &PageData);
1216         curl_easy_setopt(ConnectionSession, CURLOPT_WRITEHEADER, &PageHeader);
1217         curl_easy_setopt(ConnectionSession, CURLOPT_NOSIGNAL, 1);
1218         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "GET");
1219         curl_easy_setopt(ConnectionSession, CURLOPT_HTTPHEADER, nullptr);
1220         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, nullptr);
1221         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, 0L);
1222
1223         if (DoAuthentication == true){
1224                 curl_easy_setopt(ConnectionSession, CURLOPT_USERPWD, UsernamePassword.c_str());
1225         } else {
1226                 curl_easy_setopt(ConnectionSession, CURLOPT_USERPWD, ":");
1227         }
1228
1229 }
1230
1231 void CardDAV2::SetupDefaultParametersSSL(bool DoAuthentication){
1232
1233         // Setup the default parameters.
1234
1235         string ServerAddressURL = "https://" + ServerAddress + ":" + to_string(ServerPort) + "/";
1236         string UsernamePassword = ServerUser + ":" + ServerPass;
1237
1238         curl_easy_setopt(ConnectionSession, CURLOPT_URL, ServerAddressURL.c_str());
1239         curl_easy_setopt(ConnectionSession, CURLOPT_NOPROGRESS, 1L);
1240         curl_easy_setopt(ConnectionSession, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
1241         curl_easy_setopt(ConnectionSession, CURLOPT_TIMEOUT, 60);
1242         curl_easy_setopt(ConnectionSession, CURLOPT_FAILONERROR, true);
1243         curl_easy_setopt(ConnectionSession, CURLOPT_USERAGENT, XSDAB_USERAGENT);
1244         curl_easy_setopt(ConnectionSession, CURLOPT_WRITEFUNCTION, CardDAV2::WritebackFunc);
1245         curl_easy_setopt(ConnectionSession, CURLOPT_WRITEDATA, &PageData);
1246         curl_easy_setopt(ConnectionSession, CURLOPT_WRITEHEADER, &PageHeader);
1247         curl_easy_setopt(ConnectionSession, CURLOPT_ERRORBUFFER, SessionErrorBuffer);
1248         curl_easy_setopt(ConnectionSession, CURLOPT_NOSIGNAL, 1);
1249         curl_easy_setopt(ConnectionSession, CURLOPT_CERTINFO, 1);
1250         curl_easy_setopt(ConnectionSession, CURLOPT_VERBOSE, 1);
1251         curl_easy_setopt(ConnectionSession, CURLOPT_CUSTOMREQUEST, "GET");
1252         curl_easy_setopt(ConnectionSession, CURLOPT_HTTPHEADER, nullptr);
1253         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDS, nullptr);
1254         curl_easy_setopt(ConnectionSession, CURLOPT_POSTFIELDSIZE, 0L);
1255
1256         if (DoAuthentication == true){
1257                 curl_easy_setopt(ConnectionSession, CURLOPT_USERPWD, UsernamePassword.c_str());
1258         } else {
1259                 curl_easy_setopt(ConnectionSession, CURLOPT_USERPWD, ":");
1260         }
1261
1262         if (EnableSSLBypass == true){
1263                 curl_easy_setopt(ConnectionSession, CURLOPT_SSL_VERIFYHOST, 0);
1264                 curl_easy_setopt(ConnectionSession, CURLOPT_SSL_VERIFYPEER, 0);
1265         } else {
1266                 curl_easy_setopt(ConnectionSession, CURLOPT_SSL_VERIFYHOST, 2);
1267                 curl_easy_setopt(ConnectionSession, CURLOPT_SSL_VERIFYPEER, 1);
1268         }
1269
1270         if (TestMode == false && ServerAccount.size() > 0){
1271
1272                 // Check if the server certificate file exists.
1273
1274                 string CertificateFilename = GetAccountDir(ServerAccount, true);
1275
1276                 if (wxFile::Exists(CertificateFilename)){
1277
1278                         curl_easy_setopt(ConnectionSession, CURLOPT_CAINFO, CertificateFilename.c_str());
1279
1280                 }
1281
1282         }
1283
1284 }
1285
1286 string CardDAV2::BuildURL(string URI){
1287
1288         string ServerAddressURL;
1289
1290         if (SSLStatus == true){
1291                 ServerAddressURL = "https://" + ServerAddress + ":" + to_string(ServerPort) + URI;
1292         } else {
1293                 ServerAddressURL = "https://" + ServerAddress + ":" + to_string(ServerPort) + URI;
1294         }
1295
1296         return ServerAddressURL;
1297
1298 }
1299
1300 string CardDAV2::GetErrorMessage(){
1301
1302         ErrorMessage = SessionErrorBuffer;
1303         return ErrorMessage;
1304
1305 }
1306
1307 void CardDAV2::ResetResults(){
1308
1309         SSLStatus = false;
1310         COSSLVerified SSLVerified = COSSL_NORESULT;
1311         ValidResponse = false;
1312         AuthPassed = false;
1313         CanProcess = false;
1314         SSLSelfSigned = false;
1315         TaskCompleted = false;
1316         ErrorMessage = "";
1317         SessionErrorBuffer[0] = '\0';
1318         PageData = "";
1319         PageHeader = "";
1320         if (HeaderList != nullptr){
1321                 curl_slist_free_all(HeaderList);
1322                 HeaderList = nullptr;
1323         }
1324
1325 }
1326
1327 string CardDAV2::GetETagValue(){
1328
1329         xmlDocPtr xmlCardDAVDoc;
1330
1331         xmlCardDAVDoc = xmlReadMemory(PageData.c_str(), (int)PageData.size(), "noname.xml", NULL, 0);
1332
1333         xmlNodePtr nodeLevel1;
1334         xmlNodePtr nodeLevel2;
1335         xmlNodePtr nodeLevel3;
1336         xmlNodePtr nodeLevel4;
1337         xmlNodePtr nodeLevel5;
1338         xmlNodePtr nodeLevel6;
1339
1340         //std::map<wxString,wxString> xmlDataMap;
1341
1342         std::string DataFilename;
1343         std::string ETagData;
1344
1345         std::string xmlStringSafe;
1346         std::string ETagValue;
1347
1348         // Tranverse through the catacombs of the response to get our ETag for the file.
1349
1350         for (nodeLevel1 = xmlCardDAVDoc->children;
1351                 nodeLevel1 != NULL;
1352                 nodeLevel1 = nodeLevel1->next)
1353         {
1354
1355                 bool HREFFound = FALSE;
1356                 bool ETagFound = FALSE;
1357
1358                 for (nodeLevel2 = nodeLevel1->children;
1359                         nodeLevel2 != NULL;
1360                         nodeLevel2 = nodeLevel2->next)
1361                 {
1362
1363                         for (nodeLevel3 = nodeLevel2->children;
1364                         nodeLevel3 != NULL;
1365                         nodeLevel3 = nodeLevel3->next)
1366                         {
1367
1368                                 if (!xmlStrcmp(nodeLevel3->name, (const xmlChar *)"href") ||
1369                                 !xmlStrcmp(nodeLevel3->name, (const xmlChar *)"d:href") ||
1370                                 !xmlStrcmp(nodeLevel3->name, (const xmlChar *)"D:href")
1371                                 ){
1372
1373                                         // Get the filename.
1374
1375                                         for (nodeLevel4 = nodeLevel3->children;
1376                                         nodeLevel4 != NULL;
1377                                         nodeLevel4 = nodeLevel4->next)
1378                                         {
1379
1380                                                 if (!xmlStrcmp(nodeLevel4->name, (const xmlChar *)"text") ||
1381                                                 !xmlStrcmp(nodeLevel4->name, (const xmlChar *)"d:text") ||
1382                                                 !xmlStrcmp(nodeLevel4->name, (const xmlChar *)"D:text")
1383                                                 ){
1384
1385                                                         DataFilename = wxString::FromUTF8((const char*)nodeLevel4->content);
1386                                                         wxStringTokenizer wSTDFilename(DataFilename, wxT("/"));
1387
1388                                                         while (wSTDFilename.HasMoreTokens()){
1389
1390                                                                 DataFilename = wSTDFilename.GetNextToken().ToStdString();
1391
1392                                                         }
1393
1394                                                         HREFFound = TRUE;
1395
1396                                                 }
1397
1398
1399
1400                                         }
1401
1402                                 } else {
1403
1404                                         for (nodeLevel4 = nodeLevel3->children;
1405                                         nodeLevel4 != NULL;
1406                                         nodeLevel4 = nodeLevel4->next)
1407                                         {
1408
1409                                                         for (nodeLevel5 = nodeLevel4->children;
1410                                                         nodeLevel5 != NULL;
1411                                                         nodeLevel5 = nodeLevel5->next)
1412                                                         {
1413
1414                                                                 if (!xmlStrcmp(nodeLevel5->name, (const xmlChar *)"getetag") ||
1415                                                                 !xmlStrcmp(nodeLevel5->name, (const xmlChar *)"d:getetag") ||
1416                                                                 !xmlStrcmp(nodeLevel5->name, (const xmlChar *)"D:getetag")
1417                                                                 ){
1418
1419                                                                         for (nodeLevel6 = nodeLevel5->children;
1420                                                                         nodeLevel6 != NULL;
1421                                                                         nodeLevel6 = nodeLevel6->next)
1422                                                                         {
1423
1424                                                                                 // Strip the quotes from the ETag.
1425
1426                                                                                 ETagData = (const char*)nodeLevel6->content;
1427                                                                                 if (ETagData[0] == '"' && ETagData[(ETagData.size() - 1)] == '"'){
1428
1429                                                                                         ETagData.erase(0, 1);
1430                                                                                         ETagData.erase((ETagData.size() - 1));
1431
1432                                                                                 }
1433
1434                                                                                 ETagFound = TRUE;
1435
1436                                                                         }
1437
1438                                                                 }
1439
1440                                                         }
1441
1442                                         }
1443
1444                                 }
1445
1446                         }
1447
1448                 }
1449
1450                 if (HREFFound == TRUE && ETagFound == TRUE){
1451
1452                         // Add to the map data.
1453
1454                         ETagValue = ETagData;
1455
1456                         HREFFound = FALSE;
1457                         ETagFound = FALSE;
1458                         break;
1459
1460                 }
1461
1462
1463         }
1464
1465         xmlFreeDoc(xmlCardDAVDoc);
1466
1467         return ETagValue;
1468
1469 }
1470
1471 string CardDAV2::GetETagHeader(){
1472
1473         // Go through each of the lines looking for the
1474         // 'DAV:' section.
1475
1476         string HeaderName;
1477         string HeaderValue;
1478         bool FastForward = false;
1479
1480         for (int HeaderSeek = 0; HeaderSeek < PageHeader.size(); HeaderSeek++){
1481
1482                 if (FastForward == true){
1483
1484                         if (PageHeader[HeaderSeek] == '\n'){
1485                                 FastForward = false;
1486                         }
1487
1488                         continue;
1489
1490                 }
1491
1492                 try {
1493                         PageHeader.substr(HeaderSeek, 5) == "ETag:";
1494                 }
1495
1496                 catch (const out_of_range &oor){
1497                         break;
1498                 }
1499
1500                 if (PageHeader.substr(HeaderSeek, 5) == "ETag:"){
1501
1502                         int CharacterSeek = 5;
1503
1504                         while ((HeaderSeek + CharacterSeek) < PageHeader.size()){
1505
1506                                 if (PageHeader.substr((HeaderSeek + CharacterSeek), 2) == "\r\n"){
1507                                         break;
1508                                 }
1509
1510                                 HeaderValue += PageHeader.substr((HeaderSeek + CharacterSeek), 1);
1511                                 CharacterSeek++;
1512                         }
1513
1514                         break;
1515
1516                 } else {
1517
1518                         FastForward = true;
1519                         continue;
1520
1521                 }
1522
1523                 if (PageHeader[HeaderSeek] == '\n'){
1524                         HeaderName = "";
1525                 }
1526
1527                 //HeaderName += PageHeader.substr(HeaderSeek, 1);
1528
1529         }
1530
1531         // Check for quotation marks at the start and end and strip
1532         // them out.
1533
1534         if (HeaderValue.size() >= 2){
1535
1536                 if (HeaderValue[0] == '"'){
1537                         HeaderValue.erase((HeaderValue.size() - 1));
1538                         HeaderValue.erase(0);
1539                 }
1540
1541         }
1542
1543         return HeaderValue;
1544
1545 }
1546
1547 vector<string> CardDAV2::GetDAVHeader(){
1548
1549         // Go through each of the lines looking for the
1550         // 'DAV:' section.
1551
1552         string HeaderName;
1553         string HeaderValue;
1554         bool FastForward = false;
1555         vector<string> DAVHeaderList;
1556
1557         for (int HeaderSeek = 0; HeaderSeek < PageHeader.size(); HeaderSeek++){
1558
1559                 if (FastForward == true){
1560
1561                         if (PageHeader[HeaderSeek] == '\n'){
1562                                 FastForward = false;
1563                         }
1564
1565                         continue;
1566
1567                 }
1568
1569                 try {
1570                         PageHeader.substr(HeaderSeek, 4) == "DAV:";
1571                 }
1572
1573                 catch (const out_of_range &oor){
1574                         break;
1575                 }
1576
1577                 if (PageHeader.substr(HeaderSeek, 4) == "DAV:"){
1578
1579                         int CharacterSeek = 5;
1580
1581                         while ((HeaderSeek + CharacterSeek) < PageHeader.size()){
1582
1583                                 if (PageHeader.substr((HeaderSeek + CharacterSeek), 2) == "\r\n"){
1584                                         break;
1585                                 }
1586
1587                                 HeaderValue += PageHeader.substr((HeaderSeek + CharacterSeek), 1);
1588                                 CharacterSeek++;
1589                         }
1590
1591                         break;
1592
1593                 } else {
1594
1595                         FastForward = true;
1596                         continue;
1597
1598                 }
1599
1600                 if (PageHeader[HeaderSeek] == '\n'){
1601                         HeaderName = "";
1602                 }
1603
1604                 //HeaderName += PageHeader.substr(HeaderSeek, 1);
1605
1606         }
1607
1608         // Split the header data.
1609
1610         std::string DAVHeaderValue;
1611
1612         for (int HeaderSeek = 0; HeaderSeek < HeaderValue.size(); HeaderSeek++){
1613
1614                 if (HeaderValue.substr(HeaderSeek, 1) == ","){
1615                         DAVHeaderList.push_back(DAVHeaderValue);
1616                         DAVHeaderValue = "";
1617                         HeaderSeek++;
1618                         continue;
1619                 }
1620
1621                 DAVHeaderValue += HeaderValue[HeaderSeek];
1622
1623         }
1624
1625         if (DAVHeaderValue.size() > 0){
1626
1627                 DAVHeaderList.push_back(DAVHeaderValue);
1628
1629         }
1630
1631         return DAVHeaderList;
1632
1633 }