Dan
7 years ago
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#!/usr/bin/env sh |
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#PowerDNS Embedded API |
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#https://doc.powerdns.com/md/httpapi/api_spec/ |
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# |
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PDNS_Url="http://idragonfly.net:3306" |
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PDNS_ServerId="admin" |
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PDNS_Token="dc32asd#" |
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PDNS_Ttl=60 |
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DEFAULT_PDNS_TTL=60 |
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######## Public functions ##################### |
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#Usage: add _acme-challenge.www.domain.com "123456789ABCDEF0000000000000000000000000000000000000" |
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#fulldomain |
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#txtvalue |
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dns_pdns_add() { |
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fulldomain=$1 |
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txtvalue=$2 |
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if [ -z "$PDNS_Url" ]; then |
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PDNS_Url="" |
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_err "You don't specify PowerDNS address." |
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_err "Please set PDNS_Url and try again." |
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return 1 |
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fi |
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if [ -z "$PDNS_ServerId" ]; then |
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PDNS_ServerId="" |
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_err "You don't specify PowerDNS server id." |
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_err "Please set you PDNS_ServerId and try again." |
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return 1 |
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fi |
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if [ -z "$PDNS_Token" ]; then |
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PDNS_Token="" |
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_err "You don't specify PowerDNS token." |
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_err "Please create you PDNS_Token and try again." |
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return 1 |
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fi |
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if [ -z "$PDNS_Ttl" ]; then |
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PDNS_Ttl="$DEFAULT_PDNS_TTL" |
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fi |
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#save the api addr and key to the account conf file. |
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_saveaccountconf PDNS_Url "$PDNS_Url" |
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_saveaccountconf PDNS_ServerId "$PDNS_ServerId" |
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_saveaccountconf PDNS_Token "$PDNS_Token" |
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if [ "$PDNS_Ttl" != "$DEFAULT_PDNS_TTL" ]; then |
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_saveaccountconf PDNS_Ttl "$PDNS_Ttl" |
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fi |
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_debug "Detect root zone" |
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if ! _get_root "$fulldomain"; then |
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_err "invalid domain" |
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return 1 |
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fi |
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_debug _domain "$_domain" |
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if ! set_record "$_domain" "$fulldomain" "$txtvalue"; then |
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return 1 |
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fi |
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return 0 |
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} |
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#fulldomain |
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dns_pdns_rm() { |
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fulldomain=$1 |
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_debug "Detect root zone" |
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if ! _get_root "$fulldomain"; then |
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_err "invalid domain" |
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return 1 |
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fi |
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_debug _domain "$_domain" |
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if ! rm_record "$_domain" "$fulldomain"; then |
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return 1 |
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fi |
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return 0 |
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} |
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set_record() { |
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_info "Adding record" |
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root=$1 |
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full=$2 |
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txtvalue=$3 |
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if ! _pdns_rest "PATCH" "/api/v1/servers/$PDNS_ServerId/zones/$root." "{\"rrsets\": [{\"changetype\": \"REPLACE\", \"name\": \"$full.\", \"type\": \"TXT\", \"ttl\": $PDNS_Ttl, \"records\": [{\"name\": \"$full.\", \"type\": \"TXT\", \"content\": \"\\\"$txtvalue\\\"\", \"disabled\": false, \"ttl\": $PDNS_Ttl}]}]}"; then |
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_err "Set txt record error." |
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return 1 |
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fi |
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if ! notify_slaves "$root"; then |
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return 1 |
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fi |
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return 0 |
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} |
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rm_record() { |
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_info "Remove record" |
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root=$1 |
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full=$2 |
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if ! _pdns_rest "PATCH" "/api/v1/servers/$PDNS_ServerId/zones/$root." "{\"rrsets\": [{\"changetype\": \"DELETE\", \"name\": \"$full.\", \"type\": \"TXT\"}]}"; then |
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_err "Delete txt record error." |
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return 1 |
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fi |
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if ! notify_slaves "$root"; then |
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return 1 |
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fi |
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return 0 |
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} |
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notify_slaves() { |
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root=$1 |
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if ! _pdns_rest "PUT" "/api/v1/servers/$PDNS_ServerId/zones/$root./notify"; then |
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_err "Notify slaves error." |
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return 1 |
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fi |
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return 0 |
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} |
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#################### Private functions below ################################## |
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#_acme-challenge.www.domain.com |
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#returns |
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# _domain=domain.com |
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_get_root() { |
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domain=$1 |
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i=1 |
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if _pdns_rest "GET" "/api/v1/servers/$PDNS_ServerId/zones"; then |
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_zones_response="$response" |
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fi |
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while true; do |
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h=$(printf "%s" "$domain" | cut -d . -f $i-100) |
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if [ -z "$h" ]; then |
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return 1 |
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fi |
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if _contains "$_zones_response" "\"name\": \"$h.\""; then |
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_domain="$h" |
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return 0 |
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fi |
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i=$(_math $i + 1) |
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done |
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_debug "$domain not found" |
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return 1 |
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} |
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_pdns_rest() { |
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method=$1 |
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ep=$2 |
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data=$3 |
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export _H1="X-API-Key: $PDNS_Token" |
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if [ ! "$method" = "GET" ]; then |
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_debug data "$data" |
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response="$(_post "$data" "$PDNS_Url$ep" "" "$method")" |
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else |
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response="$(_get "$PDNS_Url$ep")" |
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fi |
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if [ "$?" != "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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