286 lines
8.7 KiB
Bash
286 lines
8.7 KiB
Bash
#!/usr/bin/env sh
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#Author StefanAbl
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#Usage specify a private keyfile to use with dynv6 'export KEY="path/to/keyfile"'
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#or use the HTTP REST API by by specifying a token 'export DYNV6_TOKEN="value"
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#if no keyfile is specified, you will be asked if you want to create one in /home/$USER/.ssh/dynv6 and /home/$USER/.ssh/dynv6.pub
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dynv6_api="https://dynv6.com/api/v2"
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######## Public functions #####################
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# Please Read this guide first: https://github.com/Neilpang/acme.sh/wiki/DNS-API-Dev-Guide
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#Usage: dns_dynv6_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns_dynv6_add() {
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fulldomain=$1
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txtvalue=$2
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_info "Using dynv6 api"
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_debug fulldomain "$fulldomain"
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_debug txtvalue "$txtvalue"
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_get_authentication
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if [ "$dynv6_token" ]; then
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_dns_dynv6_add_http
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return $?
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else
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_info "using key file $dynv6_keyfile"
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_your_hosts="$(ssh -i "$dynv6_keyfile" api@dynv6.com hosts)"
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if ! _get_domain "$fulldomain" "$_your_hosts"; then
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_err "Host not found on your account"
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return 1
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fi
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_debug "found host on your account"
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returnval="$(ssh -i "$dynv6_keyfile" api@dynv6.com hosts \""$_host"\" records set \""$_record"\" txt data \""$txtvalue"\")"
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_debug "Dynv6 returned this after record was added: $returnval"
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if _contains "$returnval" "created"; then
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return 0
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elif _contains "$returnval" "updated"; then
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return 0
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else
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_err "Something went wrong! it does not seem like the record was added successfully"
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return 1
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fi
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return 1
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fi
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return 1
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}
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#Usage: fulldomain txtvalue
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#Remove the txt record after validation.
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dns_dynv6_rm() {
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fulldomain=$1
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txtvalue=$2
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_info "Using dynv6 API"
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_debug fulldomain "$fulldomain"
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_debug txtvalue "$txtvalue"
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_get_authentication
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if [ "$dynv6_token" ]; then
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_dns_dynv6_rm_http
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return $?
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else
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_info "using key file $dynv6_keyfile"
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_your_hosts="$(ssh -i "$dynv6_keyfile" api@dynv6.com hosts)"
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if ! _get_domain "$fulldomain" "$_your_hosts"; then
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_err "Host not found on your account"
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return 1
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fi
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_debug "found host on your account"
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_info "$(ssh -i "$dynv6_keyfile" api@dynv6.com hosts "\"$_host\"" records del "\"$_record\"" txt)"
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return 0
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fi
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}
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#################### Private functions below ##################################
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#Usage: No Input required
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#returns
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#dynv6_keyfile the path to the new key file that has been generated
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_generate_new_key() {
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dynv6_keyfile="$(eval echo ~"$USER")/.ssh/dynv6"
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_info "Path to key file used: $dynv6_keyfile"
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if [ ! -f "$dynv6_keyfile" ] && [ ! -f "$dynv6_keyfile.pub" ]; then
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_debug "generating key in $dynv6_keyfile and $dynv6_keyfile.pub"
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ssh-keygen -f "$dynv6_keyfile" -t ssh-ed25519 -N ''
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else
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_err "There is already a file in $dynv6_keyfile or $dynv6_keyfile.pub"
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return 1
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fi
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}
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#Usage: _acme-challenge.www.example.dynv6.net "$_your_hosts"
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#where _your_hosts is the output of ssh -i ~/.ssh/dynv6.pub api@dynv6.com hosts
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#returns
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#_host= example.dynv6.net
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#_record=_acme-challenge.www
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#aborts if not a valid domain
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_get_domain() {
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#_your_hosts="$(ssh -i ~/.ssh/dynv6.pub api@dynv6.com hosts)"
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_full_domain="$1"
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_your_hosts="$2"
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_your_hosts="$(echo "$_your_hosts" | awk '/\./ {print $1}')"
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for l in $_your_hosts; do
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#echo "host: $l"
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if test "${_full_domain#*$l}" != "$_full_domain"; then
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_record="${_full_domain%.$l}"
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_host=$l
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_debug "The host is $_host and the record $_record"
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return 0
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fi
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done
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_err "Either their is no such host on your dnyv6 account or it cannot be accessed with this key"
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return 1
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}
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# Usage: No input required
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#returns
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#dynv6_keyfile path to the key that will be used
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_get_authentication() {
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dynv6_token="${DYNV6_TOKEN:-$(_readaccountconf_mutable dynv6_token)}"
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if [ "$dynv6_token" ]; then
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_debug "Found HTTP Token. Going to use the HTTP API and not the SSH API"
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if [ "$DYNV6_TOKEN" ]; then
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_saveaccountconf_mutable dynv6_token "$dynv6_token"
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fi
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else
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_debug "no HTTP token found. Looking for an SSH key"
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dynv6_keyfile="${dynv6_keyfile:-$(_readaccountconf_mutable dynv6_keyfile)}"
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_debug "Your key is $dynv6_keyfile"
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if [ -z "$dynv6_keyfile" ]; then
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if [ -z "$KEY" ]; then
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_err "You did not specify a key to use with dynv6"
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_info "Creating new dynv6 API key to add to dynv6.com"
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_generate_new_key
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_info "Please add this key to dynv6.com $(cat "$dynv6_keyfile.pub")"
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_info "Hit Enter to continue"
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read -r _
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#save the credentials to the account conf file.
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else
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dynv6_keyfile="$KEY"
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fi
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_saveaccountconf_mutable dynv6_keyfile "$dynv6_keyfile"
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fi
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fi
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}
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_dns_dynv6_add_http() {
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_debug "Got HTTP token form _get_authentication method. Going to use the HTTP API"
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if ! _get_zone_id "$fulldomain"; then
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_err "Could not find a matching zone for $fulldomain. Maybe your HTTP Token is not authorized to access the zone"
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return 1
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fi
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_get_zone_name "$_zone_id"
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record="${fulldomain%%.$_zone_name}"
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_set_record TXT "$record" "$txtvalue"
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if _contains "$response" "$txtvalue"; then
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_info "Successfully added record"
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return 0
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else
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_err "Something went wrong while adding the record"
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return 1
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fi
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}
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_dns_dynv6_rm_http() {
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_debug "Got HTTP token form _get_authentication method. Going to use the HTTP API"
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if ! _get_zone_id "$fulldomain"; then
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_err "Could not find a matching zone for $fulldomain. Maybe your HTTP Token is not authorized to access the zone"
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return 1
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fi
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_get_zone_name "$_zone_id"
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record="${fulldomain%%.$_zone_name}"
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_get_record_id "$_zone_id" "$record" "$txtvalue"
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_del_record "$_zone_id" "$_record_id"
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if [ -z "$response" ]; then
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_info "Successfully deleted record"
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return 0
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else
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_err "Something went wrong while deleting the record"
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return 1
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fi
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}
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#get the zoneid for a specifc record or zone
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#usage: _get_zone_id §record
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#where $record is the record to get the id for
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#returns _zone_id the id of the zone
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_get_zone_id() {
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record="$1"
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_debug "getting zone id for $record"
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_dynv6_rest GET zones
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zones="$(echo "$response" | tr '}' '\n' | tr ',' '\n' | grep name | sed 's/\[//g' | tr -d '{' | tr -d '"')"
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#echo $zones
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selected=""
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for z in $zones; do
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z="${z#name:}"
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_debug zone: "$z"
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if _contains "$record" "$z"; then
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_debug "$z found in $record"
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selected="$z"
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fi
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done
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if [ -z "$selected" ]; then
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_err "no zone found"
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return 1
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fi
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zone_id="$(echo "$response" | tr '}' '\n' | grep "$selected" | tr ',' '\n' | grep id | tr -d '"')"
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_zone_id="${zone_id#id:}"
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_debug "zone id: $_zone_id"
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}
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_get_zone_name() {
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_zone_id="$1"
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_dynv6_rest GET zones/"$_zone_id"
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_zone_name="$(echo "$response" | tr ',' '\n' | tr -d '{' | grep name | tr -d '"')"
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_zone_name="${_zone_name#name:}"
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}
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#usaage _get_record_id $zone_id $record
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# where zone_id is thevalue returned by _get_zone_id
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# and record ist in the form _acme.www for an fqdn of _acme.www.example.com
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# returns _record_id
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_get_record_id() {
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_zone_id="$1"
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record="$2"
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value="$3"
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_dynv6_rest GET "zones/$_zone_id/records"
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if ! _get_record_id_from_response "$response"; then
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_err "no such record $record found in zone $_zone_id"
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return 1
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fi
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}
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_get_record_id_from_response() {
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response="$1"
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_record_id="$(echo "$response" | tr '}' '\n' | grep "\"name\":\"$record\"" | grep "\"data\":\"$value\"" | tr ',' '\n' | grep id | tr -d '"' | tr -d 'id:')"
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#_record_id="${_record_id#id:}"
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if [ -z "$_record_id" ]; then
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_err "no such record: $record found in zone $_zone_id"
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return 1
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fi
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_debug "record id: $_record_id"
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return 0
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}
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#usage: _set_record TXT _acme_challenge.www longvalue 12345678
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#zone id is optional can also be set as vairable bevor calling this method
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_set_record() {
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type="$1"
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record="$2"
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value="$3"
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if [ "$4" ]; then
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_zone_id="$4"
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fi
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data="{\"name\": \"$record\", \"data\": \"$value\", \"type\": \"$type\"}"
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#data='{ "name": "acme.test.thorn.dynv6.net", "type": "A", "data": "192.168.0.1"}'
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echo "$data"
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#"{\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":\"$txtvalue\",\"ttl\":120}"
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_dynv6_rest POST "zones/$_zone_id/records" "$data"
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}
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_del_record() {
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_zone_id=$1
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_record_id=$2
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_dynv6_rest DELETE zones/"$_zone_id"/records/"$_record_id"
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}
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_dynv6_rest() {
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m=$1 #method GET,POST,DELETE or PUT
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ep="$2" #the endpoint
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data="$3"
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_debug "$ep"
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token_trimmed=$(echo "$dynv6_token" | tr -d '"')
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export _H1="Authorization: Bearer $token_trimmed"
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export _H2="Content-Type: application/json"
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if [ "$m" != "GET" ]; then
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_debug data "$data"
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response="$(_post "$data" "$dynv6_api/$ep" "" "$m")"
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else
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response="$(_get "$dynv6_api/$ep")"
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fi
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if [ "$?" != "0" ]; then
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_err "error $ep"
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return 1
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fi
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_debug2 response "$response"
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return 0
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}
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