1 // CalDAV.cpp - CalDAV Connection Object.
3 // (c) 2016 Xestia Software Development.
5 // This file is part of Xestia Calendar.
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.
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.
16 // You should have received a copy of the GNU General Public License along
17 // with Xestia Calendar. If not, see <http://www.gnu.org/licenses/>
23 size_t CalDAVOutput(char *ReceivedBuffer, size_t Size, size_t NewMemoryBytes, string *StringPointer)
26 string ReceivedBufferString = "";
27 ReceivedBufferString.append(ReceivedBuffer, NewMemoryBytes);
29 StringPointer->append(ReceivedBufferString);
31 return Size * NewMemoryBytes;
37 // Setup the objects within the CalDAV connection
40 ConnectionHandle = curl_easy_init();
46 // Destory the objects within the CalDAV connection
49 curl_easy_cleanup(ConnectionHandle);
50 ConnectionHandle = nullptr;
54 void CalDAV::SetupConnectionData(CalDAVConnectionData *ConnData){
56 // Check if ConnData is a nullptr, return if it is.
58 if (ConnData == nullptr){
62 // Set the connection settings to the values from ConnData.
64 ConnectionData = (*ConnData);
68 CalDAVStatus CalDAV::GetConnectionData(){
70 // Get the current connection settings for the CalDAV
71 // connection object and return a CalDAVStatus object.
73 CalDAVStatus ConnectionStatus;
75 ConnectionStatus.Hostname = ConnectionData.Hostname;
76 ConnectionStatus.Port = ConnectionData.Port;
77 ConnectionStatus.Username = ConnectionData.Username;
78 ConnectionStatus.Prefix = ConnectionData.Prefix;
79 ConnectionStatus.UseSSL = ConnectionData.UseSSL;
80 ConnectionStatus.Timeout = ConnectionData.Timeout;
82 return ConnectionStatus;
86 CalDAVServerResult CalDAV::Connect(){
88 CalDAVServerResult ServerResult;
90 string ServerAddress = "";
91 string ServerUserPass = "";
92 string ServerData = "";
93 string ServerHeader = "";
95 // Setup the server address.
97 if (ConnectionData.UseSSL == true){
98 ServerAddress += "https://";
100 ServerAddress += "http://";
103 ServerAddress += ConnectionData.Hostname;
105 // Check if server port is 80, otherwise
106 // specifiy the port number in the address.
108 if (ConnectionData.Port != 80){
109 ServerAddress += ":";
110 ServerAddress += to_string(ConnectionData.Port);
113 ServerAddress += "/principals/";
115 // Setup the server password.
117 ServerUserPass += ConnectionData.Username;
118 ServerUserPass += ":";
119 ServerUserPass += ConnectionData.Password;
121 curl_easy_setopt(ConnectionHandle, CURLOPT_URL, ServerAddress.c_str());
122 curl_easy_setopt(ConnectionHandle, CURLOPT_USERPWD, ServerUserPass.c_str());
123 curl_easy_setopt(ConnectionHandle, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
124 curl_easy_setopt(ConnectionHandle, CURLOPT_FAILONERROR, 1L);
125 curl_easy_setopt(ConnectionHandle, CURLOPT_TIMEOUT, ConnectionData.Timeout);
126 curl_easy_setopt(ConnectionHandle, CURLOPT_WRITEFUNCTION, CalDAVOutput);
127 curl_easy_setopt(ConnectionHandle, CURLOPT_WRITEDATA, &ServerData);
128 curl_easy_setopt(ConnectionHandle, CURLOPT_WRITEHEADER, &ServerHeader);
130 // Connect to the CalDAV server.
132 ServerResult.Code = curl_easy_perform(ConnectionHandle);
134 // Process the result received from the server.
136 if (ServerResult.Code != CURLE_OK){
138 ServerResult.Result = CALDAVQUERYRESULT_SERVERERROR;
142 ServerResult.Result = CALDAVQUERYRESULT_OK;
146 // Get the HTTP code.
148 curl_easy_getinfo(ConnectionHandle, CURLINFO_RESPONSE_CODE, &ServerResult.HTTPCode);
154 bool CalDAVObjectValidSettings(CalDAVConnectionData *ConnData){
156 // Check if the passed CalDAV Connection Data is has
157 // an address set. Return false if nullptr is used.
159 if (ConnData == nullptr){
165 // Check the server hostname. Return false
166 // if no value has been set.
168 if (ConnData->Hostname.size() == 0){
174 // Check the server port. Return false if
175 // no value has been set or the port number
176 // is less than 1 or higher than 65535.
178 if (ConnData->Port < 1 || ConnData->Port > 65535){
184 // Check the server username. Return false
185 // if no value has been set.
187 if (ConnData->Username.size() == 0){
193 // Check the server password. Return false
194 // if no value has been set.
196 if (ConnData->Password.size() == 0){
202 // Cannot check UseSSL: It is either true
205 // Cannot check Prefix: The prefix may need
206 // to be worked out first.
208 // No errors were found whilst checking so