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411 lines
9.5 KiB
411 lines
9.5 KiB
#!/usr/bin/env sh |
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# Namecheap API |
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# https://www.namecheap.com/support/api/intro.aspx |
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# |
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# Requires Namecheap API key set in |
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#NAMECHEAP_API_KEY, |
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#NAMECHEAP_USERNAME, |
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#NAMECHEAP_SOURCEIP |
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# Due to Namecheap's API limitation all the records of your domain will be read and re applied, make sure to have a backup of your records you could apply if any issue would arise. |
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######## Public functions ##################### |
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NAMECHEAP_API="https://api.namecheap.com/xml.response" |
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#Usage: dns_namecheap_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs" |
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dns_namecheap_add() { |
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fulldomain=$1 |
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txtvalue=$2 |
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if ! _namecheap_check_config; then |
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_err "$error" |
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return 1 |
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fi |
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if ! _namecheap_set_publicip; then |
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return 1 |
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fi |
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_debug "First detect the root zone" |
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if ! _get_root "$fulldomain"; then |
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_err "invalid domain" |
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return 1 |
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fi |
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_debug fulldomain "$fulldomain" |
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_debug txtvalue "$txtvalue" |
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_debug domain "$_domain" |
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_debug sub_domain "$_sub_domain" |
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_set_namecheap_TXT "$_domain" "$_sub_domain" "$txtvalue" |
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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_namecheap_rm() { |
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fulldomain=$1 |
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txtvalue=$2 |
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if ! _namecheap_set_publicip; then |
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return 1 |
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fi |
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if ! _namecheap_check_config; then |
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_err "$error" |
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return 1 |
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fi |
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_debug "First detect the root zone" |
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if ! _get_root "$fulldomain"; then |
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_err "invalid domain" |
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return 1 |
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fi |
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_debug fulldomain "$fulldomain" |
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_debug txtvalue "$txtvalue" |
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_debug domain "$_domain" |
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_debug sub_domain "$_sub_domain" |
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_del_namecheap_TXT "$_domain" "$_sub_domain" "$txtvalue" |
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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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# _sub_domain=_acme-challenge.www |
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# _domain=domain.com |
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_get_root() { |
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fulldomain=$1 |
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if ! _get_root_by_getList "$fulldomain"; then |
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_debug "Failed domain lookup via domains.getList api call. Trying domain lookup via domains.dns.getHosts api." |
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# The above "getList" api will only return hosts *owned* by the calling user. However, if the calling |
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# user is not the owner, but still has administrative rights, we must query the getHosts api directly. |
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# See this comment and the official namecheap response: https://disq.us/p/1q6v9x9 |
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if ! _get_root_by_getHosts "$fulldomain"; then |
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return 1 |
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fi |
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fi |
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return 0 |
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} |
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_get_root_by_getList() { |
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domain=$1 |
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if ! _namecheap_post "namecheap.domains.getList"; then |
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_err "$error" |
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return 1 |
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fi |
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i=2 |
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p=1 |
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while true; do |
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h=$(printf "%s" "$domain" | cut -d . -f $i-100) |
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_debug h "$h" |
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if [ -z "$h" ]; then |
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#not valid |
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return 1 |
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fi |
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if ! _contains "$h" "\\."; then |
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#not valid |
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return 1 |
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fi |
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if ! _contains "$response" "$h"; then |
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_debug "$h not found" |
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else |
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_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p) |
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_domain="$h" |
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return 0 |
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fi |
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p="$i" |
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i=$(_math "$i" + 1) |
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done |
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return 1 |
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} |
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_get_root_by_getHosts() { |
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i=100 |
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p=99 |
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while [ $p -ne 0 ]; do |
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h=$(printf "%s" "$1" | cut -d . -f $i-100) |
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if [ -n "$h" ]; then |
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if _contains "$h" "\\."; then |
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_debug h "$h" |
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if _namecheap_set_tld_sld "$h"; then |
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_sub_domain=$(printf "%s" "$1" | cut -d . -f 1-$p) |
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_domain="$h" |
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return 0 |
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else |
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_debug "$h not found" |
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fi |
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fi |
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fi |
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i="$p" |
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p=$(_math "$p" - 1) |
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done |
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return 1 |
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} |
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_namecheap_set_publicip() { |
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if [ -z "$NAMECHEAP_SOURCEIP" ]; then |
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_err "No Source IP specified for Namecheap API." |
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_err "Use your public ip address or an url to retrieve it (e.g. https://ifconfig.co/ip) and export it as NAMECHEAP_SOURCEIP" |
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return 1 |
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else |
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_saveaccountconf NAMECHEAP_SOURCEIP "$NAMECHEAP_SOURCEIP" |
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_debug sourceip "$NAMECHEAP_SOURCEIP" |
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ip=$(echo "$NAMECHEAP_SOURCEIP" | _egrep_o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}') |
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addr=$(echo "$NAMECHEAP_SOURCEIP" | _egrep_o '(http|https):\/\/.*') |
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_debug2 ip "$ip" |
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_debug2 addr "$addr" |
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if [ -n "$ip" ]; then |
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_publicip="$ip" |
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elif [ -n "$addr" ]; then |
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_publicip=$(_get "$addr") |
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else |
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_err "No Source IP specified for Namecheap API." |
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_err "Use your public ip address or an url to retrieve it (e.g. https://ifconfig.co/ip) and export it as NAMECHEAP_SOURCEIP" |
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return 1 |
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fi |
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fi |
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_debug publicip "$_publicip" |
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return 0 |
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} |
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_namecheap_post() { |
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command=$1 |
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data="ApiUser=${NAMECHEAP_USERNAME}&ApiKey=${NAMECHEAP_API_KEY}&ClientIp=${_publicip}&UserName=${NAMECHEAP_USERNAME}&Command=${command}" |
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_debug2 "_namecheap_post data" "$data" |
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response="$(_post "$data" "$NAMECHEAP_API" "" "POST")" |
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_debug2 response "$response" |
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if _contains "$response" "Status=\"ERROR\"" >/dev/null; then |
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error=$(echo "$response" | _egrep_o ">.*<\\/Error>" | cut -d '<' -f 1 | tr -d '>') |
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_err "error $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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_namecheap_parse_host() { |
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_host=$1 |
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_debug _host "$_host" |
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_hostid=$(echo "$_host" | _egrep_o ' HostId="[^"]*' | cut -d '"' -f 2) |
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_hostname=$(echo "$_host" | _egrep_o ' Name="[^"]*' | cut -d '"' -f 2) |
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_hosttype=$(echo "$_host" | _egrep_o ' Type="[^"]*' | cut -d '"' -f 2) |
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_hostaddress=$(echo "$_host" | _egrep_o ' Address="[^"]*' | cut -d '"' -f 2 | _xml_decode) |
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_hostmxpref=$(echo "$_host" | _egrep_o ' MXPref="[^"]*' | cut -d '"' -f 2) |
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_hostttl=$(echo "$_host" | _egrep_o ' TTL="[^"]*' | cut -d '"' -f 2) |
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_debug hostid "$_hostid" |
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_debug hostname "$_hostname" |
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_debug hosttype "$_hosttype" |
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_debug hostaddress "$_hostaddress" |
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_debug hostmxpref "$_hostmxpref" |
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_debug hostttl "$_hostttl" |
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} |
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_namecheap_check_config() { |
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if [ -z "$NAMECHEAP_API_KEY" ]; then |
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_err "No API key specified for Namecheap API." |
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_err "Create your key and export it as NAMECHEAP_API_KEY" |
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return 1 |
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fi |
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if [ -z "$NAMECHEAP_USERNAME" ]; then |
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_err "No username key specified for Namecheap API." |
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_err "Create your key and export it as NAMECHEAP_USERNAME" |
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return 1 |
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fi |
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_saveaccountconf NAMECHEAP_API_KEY "$NAMECHEAP_API_KEY" |
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_saveaccountconf NAMECHEAP_USERNAME "$NAMECHEAP_USERNAME" |
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return 0 |
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} |
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_set_namecheap_TXT() { |
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subdomain=$2 |
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txt=$3 |
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if ! _namecheap_set_tld_sld "$1"; then |
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return 1 |
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fi |
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request="namecheap.domains.dns.getHosts&SLD=${_sld}&TLD=${_tld}" |
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if ! _namecheap_post "$request"; then |
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_err "$error" |
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return 1 |
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fi |
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hosts=$(echo "$response" | _egrep_o '<host[^>]*') |
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_debug hosts "$hosts" |
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if [ -z "$hosts" ]; then |
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_err "Hosts not found" |
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return 1 |
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fi |
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_namecheap_reset_hostList |
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while read -r host; do |
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if _contains "$host" "<host"; then |
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_namecheap_parse_host "$host" |
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_debug2 _hostname "_hostname" |
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_debug2 _hosttype "_hosttype" |
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_debug2 _hostaddress "_hostaddress" |
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_debug2 _hostmxpref "_hostmxpref" |
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_hostaddress="$(printf "%s" "$_hostaddress" | _url_encode)" |
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_debug2 "encoded _hostaddress" "_hostaddress" |
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_namecheap_add_host "$_hostname" "$_hosttype" "$_hostaddress" "$_hostmxpref" "$_hostttl" |
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fi |
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done <<EOT |
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echo "$hosts" |
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EOT |
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_namecheap_add_host "$subdomain" "TXT" "$txt" 10 120 |
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_debug hostrequestfinal "$_hostrequest" |
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request="namecheap.domains.dns.setHosts&SLD=${_sld}&TLD=${_tld}${_hostrequest}" |
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if ! _namecheap_post "$request"; then |
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_err "$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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_del_namecheap_TXT() { |
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subdomain=$2 |
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txt=$3 |
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if ! _namecheap_set_tld_sld "$1"; then |
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return 1 |
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fi |
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request="namecheap.domains.dns.getHosts&SLD=${_sld}&TLD=${_tld}" |
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if ! _namecheap_post "$request"; then |
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_err "$error" |
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return 1 |
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fi |
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hosts=$(echo "$response" | _egrep_o '<host[^>]*') |
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_debug hosts "$hosts" |
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if [ -z "$hosts" ]; then |
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_err "Hosts not found" |
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return 1 |
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fi |
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_namecheap_reset_hostList |
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found=0 |
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while read -r host; do |
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if _contains "$host" "<host"; then |
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_namecheap_parse_host "$host" |
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if [ "$_hosttype" = "TXT" ] && [ "$_hostname" = "$subdomain" ] && [ "$_hostaddress" = "$txt" ]; then |
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_debug "TXT entry found" |
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found=1 |
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else |
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_hostaddress="$(printf "%s" "$_hostaddress" | _url_encode)" |
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_namecheap_add_host "$_hostname" "$_hosttype" "$_hostaddress" "$_hostmxpref" "$_hostttl" |
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fi |
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fi |
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done <<EOT |
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echo "$hosts" |
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EOT |
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if [ $found -eq 0 ]; then |
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_debug "TXT entry not found" |
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return 0 |
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fi |
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_debug hostrequestfinal "$_hostrequest" |
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request="namecheap.domains.dns.setHosts&SLD=${_sld}&TLD=${_tld}${_hostrequest}" |
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if ! _namecheap_post "$request"; then |
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_err "$error" |
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return 1 |
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fi |
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return 0 |
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} |
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_namecheap_reset_hostList() { |
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_hostindex=0 |
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_hostrequest="" |
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} |
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#Usage: _namecheap_add_host HostName RecordType Address MxPref TTL |
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_namecheap_add_host() { |
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_hostindex=$(_math "$_hostindex" + 1) |
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_hostrequest=$(printf '%s&HostName%d=%s&RecordType%d=%s&Address%d=%s&MXPref%d=%d&TTL%d=%d' "$_hostrequest" "$_hostindex" "$1" "$_hostindex" "$2" "$_hostindex" "$3" "$_hostindex" "$4" "$_hostindex" "$5") |
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} |
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_namecheap_set_tld_sld() { |
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domain=$1 |
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_tld="" |
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_sld="" |
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i=2 |
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while true; do |
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_tld=$(printf "%s" "$domain" | cut -d . -f $i-100) |
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_debug tld "$_tld" |
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if [ -z "$_tld" ]; then |
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_debug "invalid tld" |
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return 1 |
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fi |
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j=$(_math "$i" - 1) |
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_sld=$(printf "%s" "$domain" | cut -d . -f 1-"$j") |
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_debug sld "$_sld" |
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if [ -z "$_sld" ]; then |
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_debug "invalid sld" |
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return 1 |
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fi |
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request="namecheap.domains.dns.getHosts&SLD=$_sld&TLD=$_tld" |
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if ! _namecheap_post "$request"; then |
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_debug "sld($_sld)/tld($_tld) not found" |
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else |
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_debug "sld($_sld)/tld($_tld) found" |
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return 0 |
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fi |
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i=$(_math "$i" + 1) |
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done |
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} |
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_xml_decode() { |
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sed 's/"/"/g' |
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}
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