acme.sh/dnsapi/dns_he.sh
2018-02-16 23:16:25 +08:00

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#!/usr/bin/env sh
########################################################################
# Hurricane Electric hook script for acme.sh
#
# Environment variables:
#
# - $HE_Username (your dns.he.net username)
# - $HE_Password (your dns.he.net password)
#
# Author: Ondrej Simek <me@ondrejsimek.com>
# Git repo: https://github.com/angel333/acme.sh
#-- dns_he_add() - Add TXT record --------------------------------------
# Usage: dns_he_add _acme-challenge.subdomain.domain.com "XyZ123..."
dns_he_add() {
_full_domain=$1
_txt_value=$2
_info "Using DNS-01 Hurricane Electric hook"
HE_Username="${HE_Username:-$(_readaccountconf_mutable HE_Username)}"
HE_Password="${HE_Password:-$(_readaccountconf_mutable HE_Password)}"
if [ -z "$HE_Username" ] || [ -z "$HE_Password" ]; then
HE_Username=
HE_Password=
_err "No auth details provided. Please set user credentials using the \$HE_Username and \$HE_Password envoronment variables."
return 1
fi
_saveaccountconf_mutable HE_Username "$HE_Username"
_saveaccountconf_mutable HE_Password "$HE_Password"
# Fills in the $_zone_id
_find_zone "$_full_domain" || return 1
_debug "Zone id \"$_zone_id\" will be used."
body="email=${HE_Username}&pass=${HE_Password}"
body="$body&account="
body="$body&menu=edit_zone"
body="$body&Type=TXT"
body="$body&hosted_dns_zoneid=$_zone_id"
body="$body&hosted_dns_recordid="
body="$body&hosted_dns_editzone=1"
body="$body&Priority="
body="$body&Name=$_full_domain"
body="$body&Content=$_txt_value"
body="$body&TTL=300"
body="$body&hosted_dns_editrecord=Submit"
response="$(_post "$body" "https://dns.he.net/")"
exit_code="$?"
if [ "$exit_code" -eq 0 ]; then
_info "TXT record added successfully."
else
_err "Couldn't add the TXT record."
fi
_debug2 response "$response"
return "$exit_code"
}
#-- dns_he_rm() - Remove TXT record ------------------------------------
# Usage: dns_he_rm _acme-challenge.subdomain.domain.com "XyZ123..."
dns_he_rm() {
_full_domain=$1
_txt_value=$2
_info "Cleaning up after DNS-01 Hurricane Electric hook"
HE_Username="${HE_Username:-$(_readaccountconf_mutable HE_Username)}"
HE_Password="${HE_Password:-$(_readaccountconf_mutable HE_Password)}"
# fills in the $_zone_id
_find_zone "$_full_domain" || return 1
_debug "Zone id \"$_zone_id\" will be used."
# Find the record id to clean
body="email=${HE_Username}&pass=${HE_Password}"
body="$body&hosted_dns_zoneid=$_zone_id"
body="$body&menu=edit_zone"
body="$body&hosted_dns_editzone="
response="$(_post "$body" "https://dns.he.net/")"
_debug2 "response" "$response"
if ! _contains "$response" "$_txt_value"; then
_debug "The txt record is not found, just skip"
return 0
fi
_record_id="$(echo "$response" | tr -d "#" | sed "s/<tr/#<tr/g" | tr -d "\n" | tr "#" "\n" | grep "$_full_domain" | grep '"dns_tr"' | grep "$_txt_value" | cut -d '"' -f 4)"
_debug2 _record_id "$_record_id"
if [ -z "$_record_id" ]; then
_err "Can not find record id"
return 1
fi
# Remove the record
body="email=${HE_Username}&pass=${HE_Password}"
body="$body&menu=edit_zone"
body="$body&hosted_dns_zoneid=$_zone_id"
body="$body&hosted_dns_recordid=$_record_id"
body="$body&hosted_dns_editzone=1"
body="$body&hosted_dns_delrecord=1"
body="$body&hosted_dns_delconfirm=delete"
_post "$body" "https://dns.he.net/" \
| grep '<div id="dns_status" onClick="hideThis(this);">Successfully removed record.</div>' \
>/dev/null
exit_code="$?"
if [ "$exit_code" -eq 0 ]; then
_info "Record removed successfully."
else
_err "Could not clean (remove) up the record. Please go to HE administration interface and clean it by hand."
return "$exit_code"
fi
}
########################## PRIVATE FUNCTIONS ###########################
_find_zone() {
_domain="$1"
body="email=${HE_Username}&pass=${HE_Password}"
response="$(_post "$body" "https://dns.he.net/")"
_debug2 response "$response"
_table="$(echo "$response" | tr -d "#" | sed "s/<table/#<table/g" | tr -d "\n" | tr "#" "\n" | grep 'id="domains_table"')"
_debug2 _table "$_table"
_matches="$(echo "$_table" | sed "s/<tr/#<tr/g" | tr "#" "\n" | grep 'alt="edit"' | tr -d " " | sed "s/<td/#<td/g" | tr "#" "\n" | sed -n 3p)"
_debug2 _matches "$_matches"
# Zone names and zone IDs are in same order
_zone_ids=$(echo "$_matches" | _egrep_o "hosted_dns_zoneid=[0-9]*&" | cut -d = -f 2 | tr -d '&')
_zone_names=$(echo "$_matches" | _egrep_o "name=.*onclick" | cut -d '"' -f 2)
_debug2 "These are the zones on this HE account:"
_debug2 "$_zone_names"
_debug2 "And these are their respective IDs:"
_debug2 "$_zone_ids"
if [ -z "$_zone_names" ] || [ -z "$_zone_ids" ]; then
_err "Can not get zone names."
return 1
fi
# Walk through all possible zone names
_strip_counter=1
while true; do
_attempted_zone=$(echo "$_domain" | cut -d . -f ${_strip_counter}-)
# All possible zone names have been tried
if [ -z "$_attempted_zone" ]; then
_err "No zone for domain \"$_domain\" found."
return 1
fi
_debug "Looking for zone \"${_attempted_zone}\""
line_num="$(echo "$_zone_names" | grep -n "$_attempted_zone" | cut -d : -f 1)"
if [ "$line_num" ]; then
_zone_id=$(echo "$_zone_ids" | sed -n "${line_num}p")
_debug "Found relevant zone \"$_attempted_zone\" with id \"$_zone_id\" - will be used for domain \"$_domain\"."
return 0
fi
_debug "Zone \"$_attempted_zone\" doesn't exist, let's try a less specific zone."
_strip_counter=$(_math "$_strip_counter" + 1)
done
}
# vim: et:ts=2:sw=2: