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#
# The contents of this file are subject to the AOLserver Public License
# Version 1.1 (the "License"); you may not use this file except in
# compliance with the License. You may obtain a copy of the License at
# http://aolserver.com/.
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
# the License for the specific language governing rights and limitations
# under the License.
#
# The Original Code is AOLserver Code and related documentation
# distributed by AOL.
#
# The Initial Developer of the Original Code is America Online,
# Inc. Portions created by AOL are Copyright (C) 1999 America Online,
# Inc. All Rights Reserved.
#
# Alternatively, the contents of this file may be used under the terms
# of the GNU General Public License (the "GPL"), in which case the
# provisions of GPL are applicable instead of those above. If you wish
# to allow use of your version of this file only under the terms of the
# GPL and not to allow others to use your version of this file under the
# License, indicate your decision by deleting the provisions above and
# replace them with the notice and other provisions required by the GPL.
# If you do not delete the provisions above, a recipient may use your
# version of this file under either the License or the GPL.
#
#
# $Header: /cvsroot/aolserver/aolserver/tcl/sendmail.tcl,v 1.3 2000/08/02 23:38:25 kriston Exp $
#
#
# sendmail.tcl - Define the ns_sendmail procedure for sending
# email from a Tcl script through a remote SMTP server.
#
proc _ns_smtp_send {wfp string timeout} {
if {[lindex [ns_sockselect -timeout $timeout {} $wfp {}] 1] == ""} {
error "Timeout writing to SMTP host"
}
puts $wfp $string\r
flush $wfp
}
proc _ns_smtp_recv {rfp check timeout} {
while (1) {
if {[lindex [ns_sockselect -timeout $timeout $rfp {} {}] 0] == ""} {
error "Timeout reading from SMTP host"
}
set line [gets $rfp]
set code [string range $line 0 2]
if ![string match $check $code] {
error "Expected a $check status line; got:\n$line"
}
if ![string match "-" [string range $line 3 3]] {
break;
}
}
}
proc ns_sendmail { to from subject body {extraheaders {}} {bcc {}} } {
## Takes comma-separated values in the "to" parm
## Multiple To and BCC addresses are handled appropriately.
## Original ns_sendmail functionality is preserved.
## Cut out carriage returns
regsub -all "\n" $to "" to
regsub -all "\r" $to "" to
regsub -all "\n" $bcc "" bcc
regsub -all "\r" $bcc "" bcc
## Split to into a proper list
set tolist_in [split $to ","]
set bcclist_in [split $bcc ","]
## Get smtp server into, if none then use localhost
set smtp [ns_config ns/parameters smtphost]
if [string match "" $smtp] {
set smtp [ns_config ns/parameters mailhost]
}
if [string match "" $smtp] {
set smtp localhost
}
set timeout [ns_config ns/parameters smtptimeout]
if [string match "" $timeout] {
set timeout 60
}
set smtpport [ns_config ns/parameters smtpport]
if [string match "" $smtpport] {
set smtpport 25
}
## Extract "from" email address
if [regexp {.*<(.*)>} $from ig address] {
set from $address
}
set tolist [list]
foreach toaddr $tolist_in {
if [regexp {.*<(.*)>} $toaddr ig address] {
set toaddr $address
}
lappend tolist "[string trim $toaddr]"
}
set bcclist [list]
if ![string match "" $bcclist_in] {
foreach bccaddr $bcclist_in {
if [regexp {.*<(.*)>} $bccaddr ig address] {
set bccaddr $address
}
lappend bcclist "[string trim $bccaddr]"
}
}
## Send it along to _ns_sendmail
_ns_sendmail $smtp $smtpport $timeout $tolist $bcclist \
$from $subject $body $extraheaders
}
proc _ns_sendmail {smtp smtpport timeout tolist bcclist \
from subject body extraheaders} {
## Put the tolist in the headers
set rfcto [join $tolist ", "]
## Build headers
set msg "To: $rfcto\nFrom: $from\nSubject: $subject\nDate: [ns_httptime [ns_time]]"
## Insert extra headers, if any (not for BCC)
if ![string match "" $extraheaders] {
set size [ns_set size $extraheaders]
for {set i 0} {$i < $size} {incr i} {
append msg "\n[ns_set key $extraheaders $i]: [ns_set value $extraheaders $i]"
}
}
## Blank line between headers and body
append msg "\n\n$body\n"
## Terminate body with a solitary period
foreach line [split $msg "\n"] {
if [string match . $line] {
append data .
}
append data $line
append data "\r\n"
}
append data .
## Open the connection
set sock [ns_sockopen $smtp $smtpport]
set rfp [lindex $sock 0]
set wfp [lindex $sock 1]
## Perform the SMTP conversation
if { [catch {
_ns_smtp_recv $rfp 220 $timeout
_ns_smtp_send $wfp "HELO AOLserver [ns_info hostname]" $timeout
_ns_smtp_recv $rfp 250 $timeout
_ns_smtp_send $wfp "MAIL FROM:<$from>" $timeout
_ns_smtp_recv $rfp 250 $timeout
## Loop through To list via multiple RCPT TO lines
foreach toto $tolist {
_ns_smtp_send $wfp "RCPT TO:<$toto>" $timeout
_ns_smtp_recv $rfp 250 $timeout
}
## Loop through BCC list via multiple RCPT TO lines
## A BCC should never, ever appear in the header. Ever. Not even.
foreach bccto $bcclist {
_ns_smtp_send $wfp "RCPT TO:<$bccto>" $timeout
_ns_smtp_recv $rfp 250 $timeout
}
_ns_smtp_send $wfp DATA $timeout
_ns_smtp_recv $rfp 354 $timeout
_ns_smtp_send $wfp $data $timeout
_ns_smtp_recv $rfp 250 $timeout
_ns_smtp_send $wfp QUIT $timeout
_ns_smtp_recv $rfp 221 $timeout
} errMsg ] } {
## Error, close and report
close $rfp
close $wfp
return -code error $errMsg
}
## Close the connection
close $rfp
close $wfp
}
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