+CalDAVServerResult CalDAV::GetEntryETag(string *CalendarEntryHREF, string *ETagValue){
+
+ CalDAVServerResult ServerResult;
+ CalDAVSendData EntryETagGetData;
+
+ // Build the server address.
+
+ string UserPrincipalURI = "";
+ UserPrincipalURI = GetUserPrincipal();
+
+ if (UserPrincipalURI.size() == 0){
+
+ return ServerResult;
+
+ }
+
+ string CalendarHomeURI = "";
+ CalendarHomeURI = GetCalendarHome(UserPrincipalURI);
+
+ // Split the path and filename.
+
+ string EntryURIPath;
+ string EntryFilename;
+
+ SplitPathFilename(CalendarEntryHREF, &EntryURIPath, &EntryFilename);
+
+ // Build the request for the server.
+
+ string EntryETagRequest = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<c:calendar-multiget xmlns:d=\"DAV:\" xmlns:c=\"urn:ietf:params:xml:ns:caldav\">\n"
+ " <d:prop>\n"
+ " <d:getetag />\n"
+ " </d:prop>\n"
+ " <d:href>";
+ EntryETagRequest += (*CalendarEntryHREF);
+ EntryETagRequest += "</d:href>\n"
+ "</c:calendar-multiget>";
+
+ EntryETagGetData.readptr = &EntryETagRequest;
+ EntryETagGetData.sizeleft = EntryETagRequest.size();
+
+ // Build the calendar list address.
+
+ struct curl_slist *GetETagRequestHeader = NULL;
+
+ GetETagRequestHeader = curl_slist_append(GetETagRequestHeader, "Depth: 1");
+ GetETagRequestHeader = curl_slist_append(GetETagRequestHeader, "Prefer: return-minimal");
+ GetETagRequestHeader = curl_slist_append(GetETagRequestHeader, "Content-Type: application/xml; charset=utf-8");
+
+ string GetETagURLAddress = BuildServerAddress(&ConnectionData, EntryURIPath);
+
+ curl_easy_setopt(ConnectionHandle, CURLOPT_HTTPHEADER, GetETagRequestHeader);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_URL, GetETagURLAddress.c_str());
+ curl_easy_setopt(ConnectionHandle, CURLOPT_CUSTOMREQUEST, "REPORT");
+ curl_easy_setopt(ConnectionHandle, CURLOPT_UPLOAD, 1L);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_READDATA, &EntryETagGetData);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_READFUNCTION, CalDAVSend);
+
+ // Attempt to get the entity tag.
+
+ ServerData.clear();
+ ServerHeader.clear();
+
+ CURLcode ServerConnectionResult = curl_easy_perform(ConnectionHandle);
+
+ if (ServerConnectionResult == CURLE_OK){
+ ServerResult.Result = CALDAVQUERYRESULT_OK;
+ } else {
+ ServerResult.Result = CALDAVQUERYRESULT_SERVERERROR;
+ }
+ ServerResult.Code = ServerConnectionResult;
+ curl_easy_getinfo(ConnectionHandle, CURLINFO_RESPONSE_CODE, &ServerResult.HTTPCode);
+
+ if (ServerConnectionResult != CURLE_OK){
+ return ServerResult;
+ }
+
+ // Get the entity tag from the result.
+
+ *ETagValue = ProcessXMLEntryETag();
+
+ // Restore the original settings.
+
+ string OriginalServerAddress = BuildServerAddress(&ConnectionData, "/principals/");
+ curl_easy_setopt(ConnectionHandle, CURLOPT_URL, OriginalServerAddress.c_str());
+ curl_easy_setopt(ConnectionHandle, CURLOPT_CUSTOMREQUEST, NULL);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_UPLOAD, 0L);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_READDATA, NULL);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_READFUNCTION, NULL);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_HTTPHEADER, NULL);
+
+ return ServerResult;
+
+}
+
+CalDAVServerResult CalDAV::AddEntry(string *CalendarEntryHREF, string *EntryData){
+
+ // Add an entry to the calendar collection.
+
+ CalDAVServerResult ServerResult;
+ CalDAVSendData EntryAddSendData;
+
+ // Build the calendar list address.
+
+ string EntryAddURLAddress = BuildServerAddress(&ConnectionData, (*CalendarEntryHREF));
+
+ EntryAddSendData.readptr = EntryData;
+ EntryAddSendData.sizeleft = EntryData->size();
+
+ struct curl_slist *CalendarRequestHeader = NULL;
+
+ CalendarRequestHeader = curl_slist_append(CalendarRequestHeader, "Content-Type: text/calendar; charset=utf-8");
+
+ curl_easy_setopt(ConnectionHandle, CURLOPT_HTTPHEADER, CalendarRequestHeader);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_URL, EntryAddURLAddress.c_str());
+ curl_easy_setopt(ConnectionHandle, CURLOPT_CUSTOMREQUEST, "PUT");
+ curl_easy_setopt(ConnectionHandle, CURLOPT_UPLOAD, 1L);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_READDATA, &EntryAddSendData);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_READFUNCTION, CalDAVSend);
+
+ // Process the data.
+
+ ServerData.clear();
+ ServerHeader.clear();
+
+ CURLcode ServerConnectionResult = curl_easy_perform(ConnectionHandle);
+
+ if (ServerConnectionResult == CURLE_OK){
+ ServerResult.Result = CALDAVQUERYRESULT_OK;
+ } else {
+ ServerResult.Result = CALDAVQUERYRESULT_SERVERERROR;
+ }
+ ServerResult.Code = ServerConnectionResult;
+ curl_easy_getinfo(ConnectionHandle, CURLINFO_RESPONSE_CODE, &ServerResult.HTTPCode);
+
+ // Restore the original settings.
+
+ string OriginalServerAddress = BuildServerAddress(&ConnectionData, "/principals/");
+ curl_easy_setopt(ConnectionHandle, CURLOPT_URL, OriginalServerAddress.c_str());
+ curl_easy_setopt(ConnectionHandle, CURLOPT_CUSTOMREQUEST, NULL);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_UPLOAD, 0L);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_READDATA, NULL);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_READFUNCTION, NULL);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_HTTPHEADER, NULL);
+
+ return ServerResult;
+
+}
+
+CalDAVServerResult CalDAV::EditEntry(string *CalendarEntryHREF, string *EntryData, string *EntryETag){
+
+ // Edit an entry in the calendar collection.
+
+ // Add an entry to the calendar collection.
+
+ CalDAVServerResult ServerResult;
+ CalDAVSendData EntryAddSendData;
+
+ // Build the calendar list address.
+
+ string EntryAddURLAddress = BuildServerAddress(&ConnectionData, (*CalendarEntryHREF));
+
+ EntryAddSendData.readptr = EntryData;
+ EntryAddSendData.sizeleft = EntryData->size();
+
+ string IfMatchHeader = "If-Match: \"";
+ IfMatchHeader.append(*EntryETag);
+ IfMatchHeader.append("\"");
+
+ struct curl_slist *CalendarRequestHeader = NULL;
+
+ CalendarRequestHeader = curl_slist_append(CalendarRequestHeader, "Content-Type: text/calendar; charset=utf-8");
+ CalendarRequestHeader = curl_slist_append(CalendarRequestHeader, IfMatchHeader.c_str());
+
+ curl_easy_setopt(ConnectionHandle, CURLOPT_HTTPHEADER, CalendarRequestHeader);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_URL, EntryAddURLAddress.c_str());
+ curl_easy_setopt(ConnectionHandle, CURLOPT_CUSTOMREQUEST, "PUT");
+ curl_easy_setopt(ConnectionHandle, CURLOPT_UPLOAD, 1L);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_READDATA, &EntryAddSendData);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_READFUNCTION, CalDAVSend);
+
+ // Process the data.
+
+ ServerData.clear();
+ ServerHeader.clear();
+
+ CURLcode ServerConnectionResult = curl_easy_perform(ConnectionHandle);
+
+ if (ServerConnectionResult == CURLE_OK){
+ ServerResult.Result = CALDAVQUERYRESULT_OK;
+ } else {
+ ServerResult.Result = CALDAVQUERYRESULT_SERVERERROR;
+ }
+ ServerResult.Code = ServerConnectionResult;
+ curl_easy_getinfo(ConnectionHandle, CURLINFO_RESPONSE_CODE, &ServerResult.HTTPCode);
+
+ // Restore the original settings.
+
+ string OriginalServerAddress = BuildServerAddress(&ConnectionData, "/principals/");
+ curl_easy_setopt(ConnectionHandle, CURLOPT_URL, OriginalServerAddress.c_str());
+ curl_easy_setopt(ConnectionHandle, CURLOPT_CUSTOMREQUEST, NULL);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_UPLOAD, 0L);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_READDATA, NULL);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_READFUNCTION, NULL);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_HTTPHEADER, NULL);
+
+ return ServerResult;
+
+}
+
+CalDAVServerResult CalDAV::DeleteEntry(string *CalendarEntryHREF){
+
+ // Delete an entry in the calendar collection.
+
+ CalDAVServerResult ServerResult;
+
+ // Build the calendar list address.
+
+ string EntryDeleteURLAddress = BuildServerAddress(&ConnectionData, (*CalendarEntryHREF));
+
+ curl_easy_setopt(ConnectionHandle, CURLOPT_HTTPHEADER, NULL);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_URL, EntryDeleteURLAddress.c_str());
+ curl_easy_setopt(ConnectionHandle, CURLOPT_CUSTOMREQUEST, "DELETE");
+
+ // Delete the calendar.
+
+ ServerData.clear();
+ ServerHeader.clear();
+
+ CURLcode ServerConnectionResult = curl_easy_perform(ConnectionHandle);
+
+ if (ServerConnectionResult == CURLE_OK){
+ ServerResult.Result = CALDAVQUERYRESULT_OK;
+ } else {
+ ServerResult.Result = CALDAVQUERYRESULT_SERVERERROR;
+ }
+ ServerResult.Code = ServerConnectionResult;
+ curl_easy_getinfo(ConnectionHandle, CURLINFO_RESPONSE_CODE, &ServerResult.HTTPCode);
+
+ // Restore the original settings.
+
+ string OriginalServerAddress = BuildServerAddress(&ConnectionData, "/principals/");
+ curl_easy_setopt(ConnectionHandle, CURLOPT_URL, OriginalServerAddress.c_str());
+ curl_easy_setopt(ConnectionHandle, CURLOPT_CUSTOMREQUEST, NULL);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_UPLOAD, 0L);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_READDATA, NULL);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_READFUNCTION, NULL);
+ curl_easy_setopt(ConnectionHandle, CURLOPT_HTTPHEADER, NULL);
+
+ return ServerResult;
+
+}
+