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 = "";
93 // Setup the server address.
95 ServerAddress = BuildServerAddress(&ConnectionData, "/principals/");
97 // Setup the server password.
99 ServerUserPass += ConnectionData.Username;
100 ServerUserPass += ":";
101 ServerUserPass += ConnectionData.Password;
103 curl_easy_setopt(ConnectionHandle, CURLOPT_URL, ServerAddress.c_str());
104 curl_easy_setopt(ConnectionHandle, CURLOPT_USERPWD, ServerUserPass.c_str());
105 curl_easy_setopt(ConnectionHandle, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
106 curl_easy_setopt(ConnectionHandle, CURLOPT_FAILONERROR, 1L);
107 curl_easy_setopt(ConnectionHandle, CURLOPT_TIMEOUT, ConnectionData.Timeout);
108 curl_easy_setopt(ConnectionHandle, CURLOPT_WRITEFUNCTION, CalDAVOutput);
109 curl_easy_setopt(ConnectionHandle, CURLOPT_WRITEDATA, &ServerData);
110 curl_easy_setopt(ConnectionHandle, CURLOPT_WRITEHEADER, &ServerHeader);
112 // Connect to the CalDAV server.
114 ServerResult.Code = curl_easy_perform(ConnectionHandle);
116 // Process the result received from the server.
118 if (ServerResult.Code != CURLE_OK){
120 ServerResult.Result = CALDAVQUERYRESULT_SERVERERROR;
124 ServerResult.Result = CALDAVQUERYRESULT_OK;
128 // Get the HTTP code.
130 curl_easy_getinfo(ConnectionHandle, CURLINFO_RESPONSE_CODE, &ServerResult.HTTPCode);
136 bool CalDAVObjectValidSettings(CalDAVConnectionData *ConnData){
138 // Check if the passed CalDAV Connection Data is has
139 // an address set. Return false if nullptr is used.
141 if (ConnData == nullptr){
147 // Check the server hostname. Return false
148 // if no value has been set.
150 if (ConnData->Hostname.size() == 0){
156 // Check the server port. Return false if
157 // no value has been set or the port number
158 // is less than 1 or higher than 65535.
160 if (ConnData->Port < 1 || ConnData->Port > 65535){
166 // Check the server username. Return false
167 // if no value has been set.
169 if (ConnData->Username.size() == 0){
175 // Check the server password. Return false
176 // if no value has been set.
178 if (ConnData->Password.size() == 0){
184 // Cannot check UseSSL: It is either true
187 // Cannot check Prefix: The prefix may need
188 // to be worked out first.
190 // No errors were found whilst checking so
197 string BuildServerAddress(CalDAVConnectionData *ConnData, string URIAddress){
199 string ServerAddress;
201 // Setup the server address.
203 if (ConnData->UseSSL == true){
204 ServerAddress += "https://";
206 ServerAddress += "http://";
209 ServerAddress += ConnData->Hostname;
211 // Check if server port is 80, otherwise
212 // specifiy the port number in the address.
214 if (ConnData->Port != 80){
215 ServerAddress += ":";
216 ServerAddress += to_string(ConnData->Port);
219 ServerAddress += URIAddress;
221 return ServerAddress;