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310 lines
7.3 KiB
310 lines
7.3 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 NAMECHEAP_API_KEY and NAMECHEAP_USERNAME set as environment variable
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#
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######## Public functions #####################
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if [ "$STAGE" -eq 1 ]; then
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NAMECHEAP_API="https://api.sandbox.namecheap.com/xml.response"
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else
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NAMECHEAP_API="https://api.namecheap.com/xml.response"
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fi
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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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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 "$h" ]; then
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#not valid
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return 1
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fi
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if ! _contains "$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 "$i" + 1)
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done
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return 1
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}
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_namecheap_set_publicip() {
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if [ -z "$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://ipconfig.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 "$addr")
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else
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_err "No Source IP specified for Namecheap API."
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_err "Use your public ip address or an url to retrieve it (e.g. https://ipconfig.co/ip) and export it as NAMECHEAP_SOURCEIP"
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return 1
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fi
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fi
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_debug publicip "$_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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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 '\sHostId="[^"]*' | cut -d '"' -f 2)
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_hostname=$(echo "$_host" | _egrep_o '\sName="[^"]*' | cut -d '"' -f 2)
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_hosttype=$(echo "$_host" | _egrep_o '\sType="[^"]*' | cut -d '"' -f 2)
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_hostaddress=$(echo "$_host" | _egrep_o '\sAddress="[^"]*' | cut -d '"' -f 2)
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_hostmxpref=$(echo "$_host" | _egrep_o '\sMXPref="[^"]*' | cut -d '"' -f 2)
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_hostttl=$(echo "$_host" | _egrep_o '\sTTL="[^"]*' | 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=$3
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tld=$(echo "$1" | cut -d '.' -f 2)
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sld=$(echo "$1" | cut -d '.' -f 1)
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request="namecheap.domains.dns.getHosts&SLD=$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 "$hosts" ]; then
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_error "Hosts not found"
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return 1
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fi
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_namecheap_reset_hostList
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while read -r host; do
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if _contains "$host" "<host"; then
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_namecheap_parse_host "$host"
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_namecheap_add_host "$_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=$3
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tld=$(echo "$1" | cut -d '.' -f 2)
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sld=$(echo "$1" | cut -d '.' -f 1)
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request="namecheap.domains.dns.getHosts&SLD=$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 "$hosts" ]; then
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_error "Hosts not found"
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return 1
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fi
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_namecheap_reset_hostList
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found=0
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while read -r host; do
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if _contains "$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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_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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