acme.sh/dnsapi/dns_cf.sh

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#!/usr/bin/env sh
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#
#CF_Key="sdfsdfsdfljlbjkljlkjsdfoiwje"
#
#CF_Email="xxxx@sss.com"
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CF_Api="https://api.cloudflare.com/client/v4"
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######## Public functions #####################
#Usage: add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns_cf_add() {
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fulldomain=$1
txtvalue=$2
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CF_Key="${CF_Key:-$(_readaccountconf_mutable CF_Key)}"
CF_Email="${CF_Email:-$(_readaccountconf_mutable CF_Email)}"
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if [ -z "$CF_Key" ] || [ -z "$CF_Email" ]; then
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CF_Key=""
CF_Email=""
_err "You don't specify cloudflare api key and email yet."
_err "Please create you key and try again."
return 1
fi
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if ! _contains "$CF_Email" "@"; then
_err "It seems that the CF_Email=$CF_Email is not a valid email address."
_err "Please check and retry."
return 1
fi
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#save the api key and email to the account conf file.
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_saveaccountconf_mutable CF_Key "$CF_Key"
_saveaccountconf_mutable CF_Email "$CF_Email"
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_debug "First detect the root zone"
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if ! _get_root "$fulldomain"; then
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_err "invalid domain"
return 1
fi
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_debug _domain_id "$_domain_id"
_debug _sub_domain "$_sub_domain"
_debug _domain "$_domain"
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_debug "Getting txt records"
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_cf_rest GET "zones/${_domain_id}/dns_records?type=TXT&name=$fulldomain"
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if ! printf "%s" "$response" | grep \"success\":true >/dev/null; then
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_err "Error"
return 1
fi
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count=$(printf "%s\n" "$response" | _egrep_o "\"count\":[^,]*" | cut -d : -f 2)
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_debug count "$count"
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if [ "$count" = "0" ]; then
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_info "Adding record"
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if _cf_rest POST "zones/$_domain_id/dns_records" "{\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":\"$txtvalue\",\"ttl\":120}"; then
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if printf -- "%s" "$response" | grep "$fulldomain" >/dev/null; then
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_info "Added, OK"
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return 0
else
_err "Add txt record error."
return 1
fi
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fi
_err "Add txt record error."
else
_info "Updating record"
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record_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \" | head -n 1)
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_debug "record_id" "$record_id"
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_cf_rest PUT "zones/$_domain_id/dns_records/$record_id" "{\"id\":\"$record_id\",\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":\"$txtvalue\",\"zone_id\":\"$_domain_id\",\"zone_name\":\"$_domain\"}"
if [ "$?" = "0" ]; then
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_info "Updated, OK"
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return 0
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fi
_err "Update error"
return 1
fi
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}
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#fulldomain txtvalue
dns_cf_rm() {
fulldomain=$1
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txtvalue=$2
CF_Key="${CF_Key:-$(_readaccountconf_mutable CF_Key)}"
CF_Email="${CF_Email:-$(_readaccountconf_mutable CF_Email)}"
if [ -z "$CF_Key" ] || [ -z "$CF_Email" ]; then
CF_Key=""
CF_Email=""
_err "You don't specify cloudflare api key and email yet."
_err "Please create you key and try again."
return 1
fi
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_debug "First detect the root zone"
if ! _get_root "$fulldomain"; then
_err "invalid domain"
return 1
fi
_debug _domain_id "$_domain_id"
_debug _sub_domain "$_sub_domain"
_debug _domain "$_domain"
_debug "Getting txt records"
_cf_rest GET "zones/${_domain_id}/dns_records?type=TXT&name=$fulldomain&content=$txtvalue"
if ! printf "%s" "$response" | grep \"success\":true >/dev/null; then
_err "Error"
return 1
fi
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count=$(printf "%s\n" "$response" | _egrep_o "\"count\":[^,]*" | cut -d : -f 2)
_debug count "$count"
if [ "$count" = "0" ]; then
_info "Don't need to remove."
else
record_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \" | head -n 1)
_debug "record_id" "$record_id"
if [ -z "$record_id" ]; then
_err "Can not get record id to remove."
return 1
fi
if ! _cf_rest DELETE "zones/$_domain_id/dns_records/$record_id"; then
_err "Delete record error."
return 1
fi
_contains "$response" '"success":true'
fi
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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
# _domain=domain.com
# _domain_id=sdjkglgdfewsdfg
_get_root() {
domain=$1
i=2
p=1
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while true; do
h=$(printf "%s" "$domain" | cut -d . -f $i-100)
_debug h "$h"
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if [ -z "$h" ]; then
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#not valid
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return 1
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fi
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if ! _cf_rest GET "zones?name=$h"; then
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return 1
fi
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if _contains "$response" "\"name\":\"$h\"" >/dev/null; then
_domain_id=$(printf "%s\n" "$response" | _egrep_o "\[.\"id\":\"[^\"]*\"" | head -n 1 | cut -d : -f 2 | tr -d \")
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if [ "$_domain_id" ]; then
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_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
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_domain=$h
return 0
fi
return 1
fi
p=$i
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i=$(_math "$i" + 1)
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done
return 1
}
_cf_rest() {
m=$1
ep="$2"
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data="$3"
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_debug "$ep"
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export _H1="X-Auth-Email: $CF_Email"
export _H2="X-Auth-Key: $CF_Key"
export _H3="Content-Type: application/json"
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if [ "$m" != "GET" ]; then
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_debug data "$data"
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response="$(_post "$data" "$CF_Api/$ep" "" "$m")"
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else
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response="$(_get "$CF_Api/$ep")"
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fi
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if [ "$?" != "0" ]; then
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_err "error $ep"
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return 1
fi
_debug2 response "$response"
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return 0
}