2 Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "compose.hpp"
23 #include "exceptions.h"
24 #include <curl/curl.h>
25 #include <boost/algorithm/string.hpp>
26 #include <boost/date_time/c_local_time_adjustor.hpp>
27 #include <boost/foreach.hpp>
36 using boost::shared_ptr;
39 Emailer::Emailer (string from, list<string> to, string subject, string body)
46 boost::algorithm::replace_all (_body, "\n", "\r\n");
50 Emailer::add_cc (string cc)
56 Emailer::add_bcc (string bcc)
62 Emailer::add_attachment (boost::filesystem::path file, string name, string mime_type)
67 a.mime_type = mime_type;
68 _attachments.push_back (a);
72 curl_data_shim (void* ptr, size_t size, size_t nmemb, void* userp)
74 return reinterpret_cast<Emailer*>(userp)->get_data (ptr, size, nmemb);
78 curl_debug_shim (CURL* curl, curl_infotype type, char* data, size_t size, void* userp)
80 return reinterpret_cast<Emailer*>(userp)->debug (curl, type, data, size);
84 Emailer::get_data (void* ptr, size_t size, size_t nmemb)
86 size_t const t = min (_email.length() - _offset, size * nmemb);
87 memcpy (ptr, _email.substr (_offset, t).c_str(), t);
93 Emailer::send (string server, int port, string user, string password)
96 time_t now = time (0);
97 strftime (date_buffer, sizeof(date_buffer), "%a, %d %b %Y %H:%M:%S ", localtime (&now));
99 boost::posix_time::ptime const utc_now = boost::posix_time::second_clock::universal_time ();
100 boost::posix_time::ptime const local_now = boost::date_time::c_local_adjustor<boost::posix_time::ptime>::utc_to_local (utc_now);
101 boost::posix_time::time_duration offset = local_now - utc_now;
102 sprintf (date_buffer + strlen(date_buffer), "%s%02d%02d", (offset.hours() >= 0 ? "+" : "-"), abs (offset.hours()), offset.minutes());
104 SafeStringStream email;
106 email << "Date: " << date_buffer << "\r\n"
107 << "To: " << address_list (_to) << "\r\n"
108 << "From: " << _from << "\r\n";
111 email << "Cc: " << address_list (_cc) << "\r\n";
114 if (!_bcc.empty ()) {
115 email << "Bcc: " << address_list (_bcc) << "\r\n";
118 string const chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
120 for (int i = 0; i < 32; ++i) {
121 boundary += chars[rand() % chars.length()];
124 if (!_attachments.empty ()) {
125 email << "MIME-Version: 1.0\r\n"
126 << "Content-Type: multipart/mixed; boundary=" << boundary << "\r\n";
129 email << "Subject: " << _subject << "\r\n"
130 << "User-Agent: DCP-o-matic\r\n"
133 if (!_attachments.empty ()) {
134 email << "--" << boundary << "\r\n"
135 << "Content-Type: text/plain; charset=utf-8\r\n\r\n";
140 BOOST_FOREACH (Attachment i, _attachments) {
141 email << "\r\n\r\n--" << boundary << "\r\n"
142 << "Content-Type: " << i.mime_type << "; name=" << i.name << "\r\n"
143 << "Content-Transfer-Encoding: Base64\r\n"
144 << "Content-Disposition: attachment; filename=" << i.name << "\r\n\r\n";
146 BIO* b64 = BIO_new (BIO_f_base64());
148 BIO* bio = BIO_new (BIO_s_mem());
149 bio = BIO_push (b64, bio);
152 BIO_write (bio, data.data().get(), data.size());
153 (void) BIO_flush (bio);
156 long int bytes = BIO_get_mem_data (bio, &out);
157 email << string (out, bytes);
162 if (!_attachments.empty ()) {
163 email << "\r\n--" << boundary << "--\r\n";
166 _email = email.str ();
168 curl_global_init (CURL_GLOBAL_DEFAULT);
170 CURL* curl = curl_easy_init ();
172 throw NetworkError ("Could not initialise libcurl");
175 curl_easy_setopt (curl, CURLOPT_URL, String::compose ("smtp://%1:%2", server.c_str(), port).c_str());
177 if (!user.empty ()) {
178 curl_easy_setopt (curl, CURLOPT_USERNAME, user.c_str ());
180 if (!password.empty ()) {
181 curl_easy_setopt (curl, CURLOPT_PASSWORD, password.c_str());
184 curl_easy_setopt (curl, CURLOPT_MAIL_FROM, _from.c_str());
186 struct curl_slist* recipients = 0;
187 BOOST_FOREACH (string i, _to) {
188 recipients = curl_slist_append (recipients, i.c_str());
190 BOOST_FOREACH (string i, _cc) {
191 recipients = curl_slist_append (recipients, i.c_str());
193 BOOST_FOREACH (string i, _bcc) {
194 recipients = curl_slist_append (recipients, i.c_str());
197 curl_easy_setopt (curl, CURLOPT_MAIL_RCPT, recipients);
199 curl_easy_setopt (curl, CURLOPT_READFUNCTION, curl_data_shim);
200 curl_easy_setopt (curl, CURLOPT_READDATA, this);
201 curl_easy_setopt (curl, CURLOPT_UPLOAD, 1L);
203 curl_easy_setopt (curl, CURLOPT_USE_SSL, (long) CURLUSESSL_TRY);
204 curl_easy_setopt (curl, CURLOPT_SSL_VERIFYPEER, 0L);
205 curl_easy_setopt (curl, CURLOPT_SSL_VERIFYHOST, 0L);
206 curl_easy_setopt (curl, CURLOPT_VERBOSE, 1L);
207 curl_easy_setopt (curl, CURLOPT_DEBUGFUNCTION, curl_debug_shim);
208 curl_easy_setopt (curl, CURLOPT_DEBUGDATA, this);
210 CURLcode const r = curl_easy_perform (curl);
212 throw KDMError (String::compose (_("Failed to send email (%1)"), curl_easy_strerror (r)));
215 curl_slist_free_all (recipients);
216 curl_easy_cleanup (curl);
217 curl_global_cleanup ();
221 Emailer::address_list (list<string> addresses)
224 BOOST_FOREACH (string i, addresses) {
228 return o.substr (0, o.length() - 2);
232 Emailer::debug (CURL *, curl_infotype type, char* data, size_t size)
234 if (type == CURLINFO_TEXT) {
235 _notes += string (data, size);
236 } else if (type == CURLINFO_HEADER_IN) {
237 _notes += "<- " + string (data, size);
238 } else if (type == CURLINFO_HEADER_OUT) {
239 _notes += "-> " + string (data, size);