source/carddav/carddav-defaultadrurl.cpp

   1 // carddav-defaultadrurl.cpp - CardDAV Object - Default Address URL subroutines.
   2 //
   3 // (c) 2012-2015 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 "carddav.h"
  20 #include "../version.h"
  21 #include <wx/wx.h>
  22 #include <wx/tokenzr.h>
  23 #include <wx/ffile.h>
  24 #include <libxml/parser.h>
  25 #include <libxml/tree.h>
  26 #include <map>
  27 #include <thread>
  28 #include "../vcard/vcard.h"
  29 #include "../common/dirs.h"
  30
  31 wxString CardDAV::GetDefaultAddressBookURL(){
  32
  33         // Get the default address book URL.
  34
  35         PageData.Clear();
  36         PageHeader.Clear();
  37
  38         SSLStatus = TRUE;
  39         AuthPassed = TRUE;
  40         AbortConnection = FALSE;
  41
  42         CURL *conn;
  43         CURLcode conncode;
  44         wxString ServerAddressURL;
  45         wxString ServerAuth;
  46         wxString ServerAddressSSL;
  47         wxString ServerAddressNormal;
  48
  49         // First: Get the principal UID address.
  50
  51         conn = curl_easy_init();
  52
  53         struct curl_slist *connhd = NULL;
  54         struct curl_slist *connhd2 = NULL;
  55         struct curl_slist *connhd3 = NULL;
  56
  57         connhd = curl_slist_append(connhd, "Depth: 0");
  58         connhd = curl_slist_append(connhd, "Prefer: return-minimal");
  59         connhd = curl_slist_append(connhd, "Content-Type: application/xml; charset=utf-8");
  60
  61         connhd2 = curl_slist_append(connhd2, "Depth: 0");
  62         connhd2 = curl_slist_append(connhd2, "Prefer: return-minimal");
  63         connhd2 = curl_slist_append(connhd2, "Content-Type: application/xml; charset=utf-8");
  64
  65         connhd3 = curl_slist_append(connhd3, "Depth: 1");
  66         connhd3 = curl_slist_append(connhd3, "Prefer: return-minimal");
  67         connhd3 = curl_slist_append(connhd3, "Content-Type: application/xml; charset=utf-8");
  68
  69         struct CardDAVCURLPasser {
  70
  71                 CardDAV *Data;
  72                 bool HeaderMode = TRUE;
  73
  74         } CardDAVHeader, CardDAVFooter;
  75
  76         CardDAVHeader.Data = this;
  77         CardDAVHeader.HeaderMode = TRUE;
  78
  79         CardDAVFooter.Data = this;
  80         CardDAVFooter.HeaderMode = FALSE;
  81
  82         wxString Data1;
  83         wxString Data2;
  84
  85         wxString ETag;
  86         wxString ETagOriginal;
  87         wxString ETagServer;
  88
  89         ServerAddressURL = ServerAddress + wxT(":") + wxString::Format(wxT("%i"), ServerPort) + wxT("/");
  90         ServerAddressSSL = wxT("https://") + ServerAddressURL;
  91         ServerAddressNormal = wxT("http://") + ServerAddressURL;
  92
  93         ServerAuth = ServerUser + wxT(":") + ServerPass;
  94
  95         wxString SAURLPrincipals;
  96         wxString SAURLPrincipalURL;
  97         wxString SAURLAddressURL;
  98
  99         if (ServerSSL){
 100
 101                 SAURLPrincipals = ServerAddressSSL + wxT("principals/");
 102                 SAURLPrincipalURL = ServerAddressSSL;
 103                 SAURLAddressURL = ServerAddressSSL;
 104
 105         } else {
 106
 107                 SAURLPrincipals = ServerAddressNormal + wxT("principals/");
 108                 SAURLPrincipalURL = ServerAddressNormal;
 109                 SAURLAddressURL = ServerAddressNormal;
 110
 111         }
 112
 113         wxString FinalPrefix;
 114
 115         struct UploadDataStruc UploadData;
 116
 117         // Setup the first query finding out where the principal URL is.
 118
 119         const char* query = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
 120                 "<D:propfind xmlns:D=\"DAV:\">\n"
 121                 " <D:prop>"
 122                 "  <D:current-user-principal/>\n"
 123                 " </D:prop>"
 124                 "</D:propfind>";
 125
 126         // Setup the second query finding out where the address book home URL is.
 127
 128         const char* query2 = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
 129         "<D:propfind xmlns:D=\"DAV:\""
 130         "  xmlns:C=\"urn:ietf:params:xml:ns:carddav\">\n"
 131         "  <D:prop>\n"
 132         "    <C:addressbook-home-set/>\n"
 133         "  </D:prop>\n"
 134         "</D:propfind>";
 135
 136         // Setup the third query finding out where the default address book URL is.
 137
 138         const char* query3 = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
 139         "<D:propfind xmlns:D=\"DAV:\""
 140         "  xmlns:C=\"urn:ietf:params:xml:ns:carddav\">\n"
 141         "  <D:prop>\n"
 142         "    <C:default-addressbook-URL/>\n"
 143         "  </D:prop>\n"
 144         "</D:propfind>";
 145
 146         if (ServerSSL){
 147
 148                 curl_easy_setopt(conn, CURLOPT_URL, (const char*)SAURLPrincipals.mb_str(wxConvUTF8));
 149                 curl_easy_setopt(conn, CURLOPT_NOPROGRESS, 1L);
 150                 curl_easy_setopt(conn, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
 151                 curl_easy_setopt(conn, CURLOPT_TIMEOUT, 60);
 152                 curl_easy_setopt(conn, CURLOPT_FAILONERROR, TRUE);
 153                 curl_easy_setopt(conn, CURLOPT_USERAGENT, XSDAB_USERAGENT);
 154                 curl_easy_setopt(conn, CURLOPT_USERPWD, (const char*)ServerAuth.mb_str(wxConvUTF8));
 155                 curl_easy_setopt(conn, CURLOPT_WRITEFUNCTION, WritebackFunc);
 156                 curl_easy_setopt(conn, CURLOPT_WRITEDATA, &PageData);
 157                 curl_easy_setopt(conn, CURLOPT_WRITEHEADER, &PageHeader);
 158                 curl_easy_setopt(conn, CURLOPT_NOSIGNAL, 1);
 159                 curl_easy_setopt(conn, CURLOPT_CUSTOMREQUEST, "PROPFIND");
 160                 curl_easy_setopt(conn, CURLOPT_POSTFIELDS, query);
 161                 curl_easy_setopt(conn, CURLOPT_POSTFIELDSIZE, strlen(query));
 162                 curl_easy_setopt(conn, CURLOPT_HTTPHEADER, connhd);
 163
 164                 if (AllowSelfSign == TRUE){
 165                         curl_easy_setopt(conn, CURLOPT_SSL_VERIFYPEER, 0L);
 166                         curl_easy_setopt(conn, CURLOPT_SSL_VERIFYHOST, 0L);
 167                 }
 168
 169                 conncode = (curl_easy_perform(conn));
 170
 171                 if (conncode == CURLE_OK){
 172
 173                         *ServerResult = TRUE;
 174                         AuthPassed = TRUE;
 175                         ValidResponse = TRUE;
 176                         SSLStatus = TRUE;
 177
 178                 } else {
 179
 180                         fprintf(stderr, "curl_easy_perform() failed: %s\n",
 181                                         curl_easy_strerror(conncode));
 182
 183                         *ServerResult = FALSE;
 184
 185                         curl_easy_getinfo(conn, CURLINFO_RESPONSE_CODE, &HTTPErrorCode);
 186
 187                         return wxT("");
 188
 189                 }
 190
 191         } else {
 192
 193                 // No SSL.
 194
 195                 // Do an initial connection (incase of Digest authentication).
 196
 197                 PageData.Clear();
 198                 PageHeader.Clear();
 199
 200                 curl_easy_setopt(conn, CURLOPT_URL, (const char*)SAURLPrincipals.mb_str(wxConvUTF8));
 201                 curl_easy_setopt(conn, CURLOPT_NOPROGRESS, 0);
 202                 curl_easy_setopt(conn, CURLOPT_HTTPAUTH, CURLAUTH_ANYSAFE);
 203                 curl_easy_setopt(conn, CURLOPT_TIMEOUT, 60);
 204                 curl_easy_setopt(conn, CURLOPT_FAILONERROR, FALSE);
 205                 curl_easy_setopt(conn, CURLOPT_USERAGENT, XSDAB_USERAGENT);
 206                 curl_easy_setopt(conn, CURLOPT_USERPWD, (const char*)ServerAuth.mb_str(wxConvUTF8));
 207                 curl_easy_setopt(conn, CURLOPT_WRITEFUNCTION, WritebackFunc);
 208                 curl_easy_setopt(conn, CURLOPT_WRITEDATA, &PageData);
 209                 curl_easy_setopt(conn, CURLOPT_WRITEHEADER, &PageHeader);
 210                 curl_easy_setopt(conn, CURLOPT_PROGRESSDATA, this);
 211                 curl_easy_setopt(conn, CURLOPT_PROGRESSFUNCTION, ProgressFunc);
 212                 curl_easy_setopt(conn, CURLOPT_NOSIGNAL, 1);
 213                 curl_easy_setopt(conn, CURLOPT_CUSTOMREQUEST, "PROPFIND");
 214                 curl_easy_setopt(conn, CURLOPT_POSTFIELDS, query);
 215                 curl_easy_setopt(conn, CURLOPT_POSTFIELDSIZE, strlen(query));
 216                 curl_easy_setopt(conn, CURLOPT_HTTPHEADER, connhd);
 217
 218                 conncode = (curl_easy_perform(conn));
 219
 220                 // If the ETag is different to the non-matching X-XAB-ETAG and X-XAB-ETAG-ORIG,
 221                 // then bring up the conflict resolution form.
 222
 223                 if (EditMode == TRUE){
 224
 225                 }
 226
 227                 if (conncode == CURLE_OK){
 228
 229                 } else if (conncode == CURLE_HTTP_RETURNED_ERROR){
 230
 231                         curl_easy_getinfo(conn, CURLINFO_RESPONSE_CODE, &HTTPErrorCode);
 232
 233                         fprintf(stderr, "curl_easy_perform() failed: %s\n",
 234                                         curl_easy_strerror(conncode));
 235
 236                         fprintf(stderr, "curl_easy_perform() HTTP code was: %i\n",
 237                                         GetHTTPCode());
 238
 239                         return wxT("");
 240
 241                 } else {
 242
 243                         fprintf(stderr, "curl_easy_perform() failed: %s\n",
 244                                         curl_easy_strerror(conncode));
 245                         return wxT("");
 246
 247                 }
 248
 249         }
 250
 251         // Process the XML data from the application.
 252
 253         xmlDocPtr xmlCardDAVDoc;
 254         xmlCardDAVDoc = xmlReadMemory(PageData.mb_str(wxConvUTF8), (int)PageData.Len(), "noname.xml", NULL, 0);
 255
 256         xmlNodePtr nodeLevel1;
 257         xmlNodePtr nodeLevel2;
 258         xmlNodePtr nodeLevel3;
 259         xmlNodePtr nodeLevel4;
 260         xmlNodePtr nodeLevel5;
 261         xmlNodePtr nodeLevel6;
 262         xmlNodePtr nodeLevel7;
 263
 264         for (nodeLevel1 = xmlCardDAVDoc->children;
 265                 nodeLevel1 != NULL;
 266                 nodeLevel1 = nodeLevel1->next)
 267         {
 268
 269                 for (nodeLevel2 = nodeLevel1->children;
 270                         nodeLevel2 != NULL;
 271                         nodeLevel2 = nodeLevel2->next)
 272                 {
 273
 274
 275                         for (nodeLevel3 = nodeLevel2->children;
 276                         nodeLevel3 != NULL;
 277                         nodeLevel3 = nodeLevel3->next)
 278                         {
 279
 280                                 for (nodeLevel4 = nodeLevel3->children;
 281                                 nodeLevel4 != NULL;
 282                                 nodeLevel4 = nodeLevel4->next)
 283                                 {
 284
 285                                         for (nodeLevel5 = nodeLevel4->children;
 286                                         nodeLevel5 != NULL;
 287                                         nodeLevel5 = nodeLevel5->next)
 288                                         {
 289
 290                                                 for (nodeLevel6 = nodeLevel5->children;
 291                                                 nodeLevel6 != NULL;
 292                                                 nodeLevel6 = nodeLevel6->next)
 293                                                 {
 294
 295                                                         if (!xmlStrcmp(nodeLevel6->name, (const xmlChar *)"href") ||
 296                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"d:href") ||
 297                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"D:href")
 298                                                         ){
 299
 300                                                                 // Found the <href> part so extract the principal URL address.
 301
 302                                                                 for (nodeLevel7 = nodeLevel6->children;
 303                                                                 nodeLevel7 != NULL;
 304                                                                 nodeLevel7 = nodeLevel7->next)
 305                                                                 {
 306
 307                                                                         SAURLPrincipalURL.Append(wxString::FromUTF8((const char*)nodeLevel7->content));
 308
 309                                                                 }
 310
 311                                                         }
 312
 313                                                 }
 314
 315                                         }
 316
 317                                 }
 318
 319                         }
 320
 321                 }
 322
 323         }
 324
 325         xmlFreeDoc(xmlCardDAVDoc);
 326         PageData.Clear();
 327         PageHeader.Clear();
 328
 329         // Second: Get the addressbook-home-set
 330
 331         curl_easy_reset(conn);
 332
 333         if (ServerSSL){
 334
 335                 curl_easy_setopt(conn, CURLOPT_URL, (const char*)SAURLPrincipalURL.mb_str(wxConvUTF8));
 336                 curl_easy_setopt(conn, CURLOPT_NOPROGRESS, 1L);
 337                 curl_easy_setopt(conn, CURLOPT_HTTPAUTH, CURLAUTH_ANYSAFE);
 338                 curl_easy_setopt(conn, CURLOPT_TIMEOUT, 60);
 339                 curl_easy_setopt(conn, CURLOPT_FAILONERROR, FALSE);
 340                 curl_easy_setopt(conn, CURLOPT_USERAGENT, XSDAB_USERAGENT);
 341                 curl_easy_setopt(conn, CURLOPT_USERPWD, (const char*)ServerAuth.mb_str(wxConvUTF8));
 342                 curl_easy_setopt(conn, CURLOPT_WRITEFUNCTION, WritebackFunc);
 343                 curl_easy_setopt(conn, CURLOPT_WRITEDATA, &PageData);
 344                 curl_easy_setopt(conn, CURLOPT_WRITEHEADER, &PageHeader);
 345                 curl_easy_setopt(conn, CURLOPT_NOSIGNAL, 1);
 346                 curl_easy_setopt(conn, CURLOPT_CUSTOMREQUEST, "PROPFIND");
 347                 curl_easy_setopt(conn, CURLOPT_POSTFIELDS, query2);
 348                 curl_easy_setopt(conn, CURLOPT_POSTFIELDSIZE, strlen(query2));
 349                 curl_easy_setopt(conn, CURLOPT_HTTPHEADER, connhd2);
 350
 351                 if (AllowSelfSign == TRUE){
 352                         curl_easy_setopt(conn, CURLOPT_SSL_VERIFYPEER, 0L);
 353                         curl_easy_setopt(conn, CURLOPT_SSL_VERIFYHOST, 0L);
 354                 }
 355
 356                 conncode = (curl_easy_perform(conn));
 357
 358                 if (conncode == CURLE_OK){
 359
 360                         *ServerResult = TRUE;
 361                         AuthPassed = TRUE;
 362                         SSLStatus = TRUE;
 363
 364                 } else {
 365
 366                         fprintf(stderr, "curl_easy_perform() failed: %s\n",
 367                                         curl_easy_strerror(conncode));
 368
 369                         *ServerResult = FALSE;
 370                         ValidResponse = FALSE;
 371
 372                         curl_easy_getinfo(conn, CURLINFO_RESPONSE_CODE, &HTTPErrorCode);
 373
 374                         return wxT("");
 375
 376                 }
 377
 378         } else {
 379
 380         // No SSL.
 381
 382                 curl_easy_setopt(conn, CURLOPT_URL, (const char*)SAURLPrincipalURL.mb_str(wxConvUTF8));
 383                 curl_easy_setopt(conn, CURLOPT_NOPROGRESS, 0);
 384                 curl_easy_setopt(conn, CURLOPT_HTTPAUTH, CURLAUTH_ANYSAFE);
 385                 curl_easy_setopt(conn, CURLOPT_TIMEOUT, 60);
 386                 curl_easy_setopt(conn, CURLOPT_FAILONERROR, FALSE);
 387                 curl_easy_setopt(conn, CURLOPT_USERAGENT, XSDAB_USERAGENT);
 388                 curl_easy_setopt(conn, CURLOPT_USERPWD, (const char*)ServerAuth.mb_str(wxConvUTF8));
 389                 curl_easy_setopt(conn, CURLOPT_WRITEFUNCTION, WritebackFunc);
 390                 curl_easy_setopt(conn, CURLOPT_WRITEDATA, &PageData);
 391                 curl_easy_setopt(conn, CURLOPT_WRITEHEADER, &PageHeader);
 392                 curl_easy_setopt(conn, CURLOPT_PROGRESSDATA, this);
 393                 curl_easy_setopt(conn, CURLOPT_PROGRESSFUNCTION, ProgressFunc);
 394                 curl_easy_setopt(conn, CURLOPT_NOSIGNAL, 1);
 395                 curl_easy_setopt(conn, CURLOPT_CUSTOMREQUEST, "PROPFIND");
 396                 curl_easy_setopt(conn, CURLOPT_POSTFIELDS, query2);
 397                 curl_easy_setopt(conn, CURLOPT_POSTFIELDSIZE, strlen(query2));
 398                 curl_easy_setopt(conn, CURLOPT_HTTPHEADER, connhd2);
 399
 400                 conncode = (curl_easy_perform(conn));
 401
 402                 // If the ETag is different to the non-matching X-XAB-ETAG and X-XAB-ETAG-ORIG,
 403                 // then bring up the conflict resolution form.
 404
 405                 if (EditMode == TRUE){
 406
 407                 }
 408
 409                 if (conncode == CURLE_OK){
 410
 411                 } else if (conncode == CURLE_HTTP_RETURNED_ERROR){
 412
 413                         curl_easy_getinfo(conn, CURLINFO_RESPONSE_CODE, &HTTPErrorCode);
 414
 415                         fprintf(stderr, "curl_easy_perform() failed: %s\n",
 416                                         curl_easy_strerror(conncode));
 417
 418                         fprintf(stderr, "curl_easy_perform() HTTP code was: %i\n",
 419                                         GetHTTPCode());
 420
 421                         ValidResponse = FALSE;
 422
 423                         return wxT("");
 424
 425                 } else {
 426
 427                         fprintf(stderr, "curl_easy_perform() failed: %s\n",
 428                                         curl_easy_strerror(conncode));
 429
 430                         ValidResponse = FALSE;
 431
 432                         return wxT("");
 433
 434                 }
 435
 436         }
 437
 438         xmlCardDAVDoc = xmlReadMemory(PageData.mb_str(wxConvUTF8), (int)PageData.Len(), "noname.xml", NULL, 0);
 439
 440         for (nodeLevel1 = xmlCardDAVDoc->children;
 441                 nodeLevel1 != NULL;
 442                 nodeLevel1 = nodeLevel1->next)
 443         {
 444
 445                 for (nodeLevel2 = nodeLevel1->children;
 446                         nodeLevel2 != NULL;
 447                         nodeLevel2 = nodeLevel2->next)
 448                 {
 449
 450
 451                         for (nodeLevel3 = nodeLevel2->children;
 452                         nodeLevel3 != NULL;
 453                         nodeLevel3 = nodeLevel3->next)
 454                         {
 455
 456                                 for (nodeLevel4 = nodeLevel3->children;
 457                                 nodeLevel4 != NULL;
 458                                 nodeLevel4 = nodeLevel4->next)
 459                                 {
 460
 461                                         for (nodeLevel5 = nodeLevel4->children;
 462                                         nodeLevel5 != NULL;
 463                                         nodeLevel5 = nodeLevel5->next)
 464                                         {
 465
 466                                                 for (nodeLevel6 = nodeLevel5->children;
 467                                                 nodeLevel6 != NULL;
 468                                                 nodeLevel6 = nodeLevel6->next)
 469                                                 {
 470
 471                                                         if (!xmlStrcmp(nodeLevel6->name, (const xmlChar *)"href") ||
 472                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"d:href") ||
 473                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"D:href")
 474                                                         ){
 475
 476                                                                 // Found the <href> part so extract the principal URL address.
 477
 478                                                                 for (nodeLevel7 = nodeLevel6->children;
 479                                                                 nodeLevel7 != NULL;
 480                                                                 nodeLevel7 = nodeLevel7->next)
 481                                                                 {
 482
 483                                                                         SAURLAddressURL.Append(wxString::FromUTF8((const char*)nodeLevel7->content));
 484
 485                                                                 }
 486
 487                                                         }
 488
 489                                                 }
 490
 491                                         }
 492
 493                                 }
 494
 495                         }
 496
 497                 }
 498
 499         }
 500
 501         xmlFreeDoc(xmlCardDAVDoc);
 502         PageData.Clear();
 503         PageHeader.Clear();
 504
 505         // Finally: Get the default-addressbook-URL from the addressbook-home-set address.
 506
 507         curl_easy_reset(conn);
 508
 509         if (ServerSSL){
 510
 511                 curl_easy_setopt(conn, CURLOPT_URL, (const char*)SAURLAddressURL.mb_str(wxConvUTF8));
 512                 curl_easy_setopt(conn, CURLOPT_NOPROGRESS, 1L);
 513                 curl_easy_setopt(conn, CURLOPT_HTTPAUTH, CURLAUTH_ANYSAFE);
 514                 curl_easy_setopt(conn, CURLOPT_TIMEOUT, 60);
 515                 curl_easy_setopt(conn, CURLOPT_FAILONERROR, FALSE);
 516                 curl_easy_setopt(conn, CURLOPT_USERAGENT, XSDAB_USERAGENT);
 517                 curl_easy_setopt(conn, CURLOPT_USERPWD, (const char*)ServerAuth.mb_str(wxConvUTF8));
 518                 curl_easy_setopt(conn, CURLOPT_WRITEFUNCTION, WritebackFunc);
 519                 curl_easy_setopt(conn, CURLOPT_WRITEDATA, &PageData);
 520                 curl_easy_setopt(conn, CURLOPT_WRITEHEADER, &PageHeader);
 521                 curl_easy_setopt(conn, CURLOPT_NOSIGNAL, 1);
 522                 curl_easy_setopt(conn, CURLOPT_CUSTOMREQUEST, "PROPFIND");
 523                 curl_easy_setopt(conn, CURLOPT_POSTFIELDS, query3);
 524                 curl_easy_setopt(conn, CURLOPT_POSTFIELDSIZE, strlen(query3));
 525                 curl_easy_setopt(conn, CURLOPT_HTTPHEADER, connhd3);
 526
 527                 if (AllowSelfSign == TRUE){
 528                         curl_easy_setopt(conn, CURLOPT_SSL_VERIFYPEER, 0L);
 529                         curl_easy_setopt(conn, CURLOPT_SSL_VERIFYHOST, 0L);
 530                 }
 531
 532                 conncode = (curl_easy_perform(conn));
 533
 534                 if (conncode == CURLE_OK){
 535
 536                         *ServerResult = TRUE;
 537                         AuthPassed = TRUE;
 538                         SSLStatus = TRUE;
 539
 540                 } else {
 541
 542                         fprintf(stderr, "curl_easy_perform() failed: %s\n",
 543                                         curl_easy_strerror(conncode));
 544
 545                         *ServerResult = FALSE;
 546                         ValidResponse = FALSE;
 547
 548                         curl_easy_getinfo(conn, CURLINFO_RESPONSE_CODE, &HTTPErrorCode);
 549
 550                         return wxT("");
 551
 552                 }
 553
 554         } else {
 555
 556         // No SSL.
 557
 558                 curl_easy_setopt(conn, CURLOPT_URL, (const char*)SAURLAddressURL.mb_str(wxConvUTF8));
 559                 curl_easy_setopt(conn, CURLOPT_NOPROGRESS, 0);
 560                 curl_easy_setopt(conn, CURLOPT_HTTPAUTH, CURLAUTH_ANYSAFE);
 561                 curl_easy_setopt(conn, CURLOPT_TIMEOUT, 60);
 562                 curl_easy_setopt(conn, CURLOPT_FAILONERROR, FALSE);
 563                 curl_easy_setopt(conn, CURLOPT_USERAGENT, XSDAB_USERAGENT);
 564                 curl_easy_setopt(conn, CURLOPT_USERPWD, (const char*)ServerAuth.mb_str(wxConvUTF8));
 565                 curl_easy_setopt(conn, CURLOPT_WRITEFUNCTION, WritebackFunc);
 566                 curl_easy_setopt(conn, CURLOPT_WRITEDATA, &PageData);
 567                 curl_easy_setopt(conn, CURLOPT_WRITEHEADER, &PageHeader);
 568                 curl_easy_setopt(conn, CURLOPT_PROGRESSDATA, this);
 569                 curl_easy_setopt(conn, CURLOPT_PROGRESSFUNCTION, ProgressFunc);
 570                 curl_easy_setopt(conn, CURLOPT_NOSIGNAL, 1);
 571                 curl_easy_setopt(conn, CURLOPT_CUSTOMREQUEST, "PROPFIND");
 572                 curl_easy_setopt(conn, CURLOPT_POSTFIELDS, query3);
 573                 curl_easy_setopt(conn, CURLOPT_POSTFIELDSIZE, strlen(query3));
 574                 curl_easy_setopt(conn, CURLOPT_HTTPHEADER, connhd3);
 575
 576                 conncode = (curl_easy_perform(conn));
 577
 578                 // If the ETag is different to the non-matching X-XAB-ETAG and X-XAB-ETAG-ORIG,
 579                 // then bring up the conflict resolution form.
 580
 581                 if (EditMode == TRUE){
 582
 583                 }
 584
 585                 if (conncode == CURLE_OK){
 586
 587                 } else if (conncode == CURLE_HTTP_RETURNED_ERROR){
 588
 589                         curl_easy_getinfo(conn, CURLINFO_RESPONSE_CODE, &HTTPErrorCode);
 590
 591                         fprintf(stderr, "curl_easy_perform() failed: %s\n",
 592                                         curl_easy_strerror(conncode));
 593
 594                         fprintf(stderr, "curl_easy_perform() HTTP code was: %i\n",
 595                                         GetHTTPCode());
 596
 597                         ValidResponse = FALSE;
 598
 599                         return wxT("");
 600
 601                 } else {
 602
 603                         fprintf(stderr, "curl_easy_perform() failed: %s\n",
 604                                         curl_easy_strerror(conncode));
 605
 606                         ValidResponse = FALSE;
 607
 608                         return wxT("");
 609
 610                 }
 611
 612         }
 613
 614         xmlCardDAVDoc = xmlReadMemory(PageData.mb_str(wxConvUTF8), (int)PageData.Len(), "noname.xml", NULL, 0);
 615
 616         for (nodeLevel1 = xmlCardDAVDoc->children;
 617                 nodeLevel1 != NULL;
 618                 nodeLevel1 = nodeLevel1->next)
 619         {
 620
 621                 for (nodeLevel2 = nodeLevel1->children;
 622                         nodeLevel2 != NULL;
 623                         nodeLevel2 = nodeLevel2->next)
 624                 {
 625
 626
 627                         for (nodeLevel3 = nodeLevel2->children;
 628                         nodeLevel3 != NULL;
 629                         nodeLevel3 = nodeLevel3->next)
 630                         {
 631
 632                                 for (nodeLevel4 = nodeLevel3->children;
 633                                 nodeLevel4 != NULL;
 634                                 nodeLevel4 = nodeLevel4->next)
 635                                 {
 636
 637                                         for (nodeLevel5 = nodeLevel4->children;
 638                                         nodeLevel5 != NULL;
 639                                         nodeLevel5 = nodeLevel5->next)
 640                                         {
 641
 642                                                 for (nodeLevel6 = nodeLevel5->children;
 643                                                 nodeLevel6 != NULL;
 644                                                 nodeLevel6 = nodeLevel6->next)
 645                                                 {
 646
 647                                                         if (!xmlStrcmp(nodeLevel6->name, (const xmlChar *)"href") ||
 648                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"d:href") ||
 649                                                         !xmlStrcmp(nodeLevel6->name, (const xmlChar *)"D:href")
 650                                                         ){
 651
 652                                                                 // Found the <href> part so extract the principal URL address.
 653
 654                                                                 for (nodeLevel7 = nodeLevel6->children;
 655                                                                 nodeLevel7 != NULL;
 656                                                                 nodeLevel7 = nodeLevel7->next)
 657                                                                 {
 658
 659                                                                         FinalPrefix = wxString::FromUTF8((const char*)nodeLevel7->content);
 660
 661                                                                 }
 662
 663                                                         }
 664
 665                                                 }
 666
 667                                         }
 668
 669                                 }
 670
 671                         }
 672
 673                 }
 674
 675         }
 676
 677         xmlFreeDoc(xmlCardDAVDoc);
 678         PageData.Clear();
 679         PageHeader.Clear();
 680
 681         return FinalPrefix;
 682
 683 }