115 lines
3.9 KiB
Bash
115 lines
3.9 KiB
Bash
#!/bin/sh
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#
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# Copyright 2011 Iordan Iordanov <iiordanov (AT) gmail.com>
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#
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# This file is part of luci-pbx-voicemail.
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#
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# luci-pbx-voicemail is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# luci-pbx-voicemail is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with luci-pbx-voicemail. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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# Thanks to http://www.zedwood.com for providing an excellent example of how to
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# properly assemble an email message with a base64 encoded attachment.
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#
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LOGFILE=/tmp/voicemail/last_sent_voicemail.log
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# Redirect standard error and standard output to a log file.
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rm -f "$LOGFILE"
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exec 1>"$LOGFILE"
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exec 2>&1
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# Appends its second argument to a file named in the first argument.
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append_to_file ()
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{
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echo "$2">>$1;
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}
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# Grab the attachment name, which should be sent as the first argument, and
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# exit with a warning if there is no voicemail to send.
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ATTACHMENT="$1"
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[ ! -f "$ATTACHMENT" ] && echo "WARNING: Found no voicemail recording to send." && exit
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# Grab the callerID which should have been sent as an argument.
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CALLERID="$2"
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[ -z "$CALLERID" ] && CALLERID="An unknown caller"
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# Determine addresses we would like to send the voicemail to and exit if none are found.
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TO="`uci -q get pbx-voicemail.global_voicemail.global_email_addresses | tr ' ' ','`"
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[ -z "$TO" ] && echo "WARNING: Found no addresses to send voicemail to." && exit
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# See whether we should retain a copy of the voicemail.
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SAVEPATH="`uci -q get pbx-voicemail.global_voicemail.global_save_path`"
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DATE="`date +%Y-%m-%d`"
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TIME="`date +%H:%M:%S`"
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FROM="voicemail@pbx"
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REPLY="do-not-reply@pbx"
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SUBJECT="Voicemail from $CALLERID, $DATE, $TIME"
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MSGBODY="$CALLERID has left voicemail for you on $DATE at $TIME."
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MIMETYPE="audio/wav"
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TMP1="/tmp/voicemail/tmpemail1.$$";
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TMP2="/tmp/voicemail/tmpemail2.$$";
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BOUNDARY="`date +%s | md5sum | awk '{print $1}'`"
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FILENAME="voicemail-$DATE-$TIME.WAV"
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# Clean up just in case.
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rm -f $TMP1 $TMP2
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append_to_file $TMP1 "From: $FROM"
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append_to_file $TMP1 "To: $TO"
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append_to_file $TMP1 "Reply-To: $REPLY"
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append_to_file $TMP1 "Subject: $SUBJECT"
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append_to_file $TMP1 "Content-Type: multipart/mixed; boundary=\""$BOUNDARY"\""
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append_to_file $TMP1 ""
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append_to_file $TMP1 "This is a MIME formatted message. If you see this text it means that your"
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append_to_file $TMP1 "email software does not support MIME formatted messages."
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append_to_file $TMP1 ""
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append_to_file $TMP1 "--$BOUNDARY"
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append_to_file $TMP1 "Content-Type: text/plain; charset=ISO-8859-1; format=flowed"
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append_to_file $TMP1 "Content-Transfer-Encoding: 7bit"
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append_to_file $TMP1 "Content-Disposition: inline"
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append_to_file $TMP1 ""
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append_to_file $TMP1 "$MSGBODY"
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append_to_file $TMP1 ""
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append_to_file $TMP1 ""
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append_to_file $TMP1 "--$BOUNDARY"
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append_to_file $TMP1 "Content-Type: $MIMETYPE; name=\"$FILENAME\""
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append_to_file $TMP1 "Content-Transfer-Encoding: base64"
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append_to_file $TMP1 "Content-Disposition: attachment; filename=\"$FILENAME\";"
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append_to_file $TMP1 ""
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append_to_file $TMP2 ""
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append_to_file $TMP2 ""
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append_to_file $TMP2 "--$BOUNDARY--"
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append_to_file $TMP2 ""
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append_to_file $TMP2 ""
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# Cat everything together and pass to msmtprc to send out.
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( cat $TMP1
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cat "$ATTACHMENT" | base64
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cat $TMP2 ) | msmtp -t -C /etc/pbx-msmtprc
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# Clean up email temp files.
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rm -f $TMP1 $TMP2
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# Either delete or move the attachment based on the SAVEPATH variable.
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if [ -z "$SAVEPATH" ]
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then
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rm -f "$ATTACHMENT"
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else
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mkdir -p "$SAVEPATH"
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mv --backup=t "$ATTACHMENT" "$SAVEPATH/$FILENAME"
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fi
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