acme.sh/notify/mail.sh

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#!/usr/bin/env sh
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#Support local mail app
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#MAIL_BIN="sendmail"
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#MAIL_FROM="yyyy@gmail.com"
#MAIL_TO="yyyy@gmail.com"
mail_send() {
_subject="$1"
_content="$2"
_statusCode="$3" #0: success, 1: error 2($RENEW_SKIP): skipped
_debug "_subject" "$_subject"
_debug "_content" "$_content"
_debug "_statusCode" "$_statusCode"
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MAIL_BIN="${MAIL_BIN:-$(_readaccountconf_mutable MAIL_BIN)}"
if [ -n "$MAIL_BIN" ] && ! _exists "$MAIL_BIN"; then
_err "It seems that the command $MAIL_BIN is not in path."
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return 1
fi
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_MAIL_CMD=$(_mail_cmnd)
if [ -n "$MAIL_BIN" ]; then
_saveaccountconf_mutable MAIL_BIN "$MAIL_BIN"
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else
_clearaccountconf "MAIL_BIN"
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fi
_MAIL_BODY=$(_mail_body)
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MAIL_FROM="${MAIL_FROM:-$(_readaccountconf_mutable MAIL_FROM)}"
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if [ -n "$MAIL_FROM" ]; then
if ! _contains "$MAIL_FROM" "@"; then
_err "It seems that the MAIL_FROM=$MAIL_FROM is not a valid email address."
return 1
fi
_saveaccountconf_mutable MAIL_FROM "$MAIL_FROM"
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fi
MAIL_TO="${MAIL_TO:-$(_readaccountconf_mutable MAIL_TO)}"
if [ -n "$MAIL_TO" ]; then
if ! _contains "$MAIL_TO" "@"; then
_err "It seems that the MAIL_TO=$MAIL_TO is not a valid email address."
return 1
fi
_saveaccountconf_mutable MAIL_TO "$MAIL_TO"
else
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MAIL_TO="$(_readaccountconf ACCOUNT_EMAIL)"
if [ -z "$MAIL_TO" ]; then
_err "It seems that account email is empty."
return 1
fi
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fi
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contenttype="text/plain; charset=utf-8"
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subject="=?UTF-8?B?$(echo "$_subject" | _base64)?="
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result=$({ echo "$_MAIL_BODY" | eval "$_MAIL_CMD"; } 2>&1)
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if [ $? -ne 0 ]; then
_debug "mail send error."
_err "$result"
return 1
fi
_debug "mail send success."
return 0
}
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_mail_cmnd() {
if [ -n "$MAIL_BIN" ]; then
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_MAIL_BIN="$MAIL_BIN"
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elif _exists "sendmail"; then
_MAIL_BIN="sendmail"
elif _exists "ssmtp"; then
_MAIL_BIN="ssmtp"
elif _exists "mutt"; then
_MAIL_BIN="mutt"
elif _exists "mail"; then
_MAIL_BIN="mail"
else
_err "Please install sendmail, ssmtp, mutt or mail first."
return 1
fi
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case $(basename "$_MAIL_BIN") in
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sendmail)
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if [ -n "$MAIL_FROM" ]; then
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echo "'$_MAIL_BIN' -f '$MAIL_FROM' '$MAIL_TO'"
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else
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echo "'$_MAIL_BIN' '$MAIL_TO'"
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fi
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;;
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ssmtp)
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echo "'$_MAIL_BIN' '$MAIL_TO'"
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;;
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mutt | mail)
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echo "'$_MAIL_BIN' -s '$_subject' '$MAIL_TO'"
;;
*)
_err "Command $MAIL_BIN is not supported, use sendmail, ssmtp, mutt or mail."
return 1
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;;
esac
}
_mail_body() {
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if [ "$_MAIL_BIN" = "sendmail" ] || [ "$_MAIL_BIN" = "ssmtp" ]; then
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if [ -n "$MAIL_FROM" ]; then
echo "From: $MAIL_FROM"
fi
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echo "To: $MAIL_TO"
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echo "Subject: $subject"
echo "Content-Type: $contenttype"
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echo
fi
echo "$_content"
}