send_mail.anubis
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/*
* Created by PyramIDE.
* User: ricard
* Date: 22/12/2008
* Time: 17:49
*
*/
read tools/basis.anubis
read tools/connections.anubis
read tools/printable_tree.anubis
read network/dns.anubis
read network/tools.anubis
read system/files.anubis
read system/string.anubis
read system/data_io.anubis
read system/logger.anubis
read calexium_lib/net_services_protocols/logger_service.anubis
read lexers/enhanced_status.anubis
read smtp_server_extensions.anubis
read authentication.anubis
read smtp_client.anubis
public define String send_mail_log = "SendMail".
public define LogMask send_mail_mask = logMask("send_mail").
define Int smtp_time_out = 300. //5 minutes of timeout
public type SendMailResult:
ok,
error,
reply(Int code, String enhanced_status, List(String) lines).
public type Str_HostName:
str_host_name(String str).
public type Str_Sender:
str_sender(String str).
public type Str_Recipient:
str_recipient(String str).
public type Str_UID:
str_UID(String str).
public type Send_Param:
send_param( Str_HostName host_name,
Str_Sender sender,
Str_Recipient recipient,
List(Data_IO) mail_parts,
SmtpAuth auth,
Str_UID mail_uid,
Int last_smtp_code //0 means it's the first time
).
define Result(SmtpClientResult, One)
sm_MAIL_FROM
(
RWStream conn,
Send_Param param,
SmtpClientSession sm_session,
(Int) -> One progress_report,
(LogLevel, String) -> One logger
) =
with enhanced_status = sm_session.enhanced_status,
//send MAIL FROM
if send_mail_from(conn, param.sender.str, sm_session, smtp_time_out, logger) is
{
error(result) then error(result),
ok(_) then
//send RCPT TO
if send_recipient(conn, param.recipient.str, sm_session, smtp_time_out, logger) is
{
error(result) then error(result),
ok(_) then
//send DATA
if send_data(conn, sm_session, smtp_time_out, logger) is
{
error(result) then error(result),
ok(_) then
if send_content(conn, param.mail_parts, sm_session, smtp_time_out, progress_report, logger) is
{
error(result) then error(result),
ok(_) then
send_quit(conn, sm_session, smtp_time_out, logger);
logger(logTrace, "SENT Mail FROM "+param.sender.str+" TO "+param.recipient.str);
ok(unique)
}
}
}
}.
Apply the whole protocol:
// we can have a list of part file in param type. This can be very useful when we want
// to send file as mailing. For the mailing, in each mail, only the header is different of the
// other mails. The body part is the same. Then, the mailing sender can generate the header in one
// file and keep the body in other file wich can be given to send_mail function as last file in the list
public define Result(SmtpClientResult, One)
send_mail
(
RWStream conn,
Send_Param param,
(SmtpClientSession, Send_Param) -> Result(SmtpClientResult, Send_Param) prepare_mail_callback,
(Int) -> One progress_report,
(LogLevel, String) -> One logger
) =
//
// Our connection to the SMTP server is opened. We just have to apply the protocol.
//
if receive_reply(conn, false, smtp_time_out, logger) is
{
error then error(error),
timeout then error(timeout),
reply(code, status, lines) then
if code = 220 then
//send EHLO
if send_ehlo(conn, param.host_name.str, smtp_time_out, logger) is
{
error(result) then error(result),
ok(sm_session) then
if do_auth(conn, param.auth, sm_session, smtp_time_out, logger) is
{
error(auth_result) then error(auth_result),
ok(_) then
if prepare_mail_callback(sm_session, param) is
{
error(prepare_result) then error(prepare_result),
ok(new_param) then sm_MAIL_FROM(conn, new_param, sm_session, progress_report, logger)
}
}
}
else if code = 550 then
//some server answer "550 5.7.1 Client host rejected: cannot find your reverse hostname, [88.181.64.17]"
//before anything, then we try to extract the enhanced status if exists for relaying the mail with the ISP
logger(logDebug, "Converting a 550 error for connection to a 432 error as distant server may be temporary overloaded.");
error(reply(432, status, lines))
else
error(reply(code, status, lines))
}.
public define Result(SmtpClientResult, One)
send_mail
(
RWStream conn,
Send_Param param,
(SmtpClientSession, Send_Param) -> Result(SmtpClientResult, Send_Param) prepare_mail_callback,
) =
send_mail(conn,
param,
prepare_mail_callback,
(Int _) |-> unique,
(LogLevel level, String txt) |-> if level is logTrace then logTrace(send_mail_log, send_mail_mask, txt)
else log(level, send_mail_log, txt)
).
public define Result(SmtpClientResult, One)
send_mail
(
RWStream conn,
Send_Param param,
) =
send_mail(conn,
param,
(SmtpClientSession sm_session, Send_Param param) |-> ok(param)
).
public define Result(SmtpClientResult, One)
send_mail
(
String server,
Word32 port,
Send_Param param,
)=
if resolve_address(server) is
{
failure then
logWarning(send_mail_log,"IP address NOT found for Mail server ["+server+"]");
error(error),
success(ip_addr) then
with ip_txt = ip_addr_to_string(ip_addr),
logTrace(send_mail_log, send_mail_mask, "send_mail: Trying to connect to "+ip_txt);
if (Result(NetworkConnectError,RWStream))connect(ip_addr, port) is
{
error(e) then
logTrace(send_mail_log, send_mail_mask, "send_mail: Can't connect to "+ip_txt);
error(error),
ok(server_conn) then
send_mail(server_conn, param),
}
}.