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#!/usr/bin/env sh
#
#CF_Key="sdfsdfsdfljlbjkljlkjsdfoiwje"
#
#CF_Email="xxxx@sss.com"
CF_Api="https://api.cloudflare.com/client/v4"
######## Public functions #####################
#Usage: add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
dns_cf_add() {
fulldomain=$1
txtvalue=$2
if [ -z "$CF_Key" ] || [ -z "$CF_Email" ]; then
CF_Key=""
CF_Email=""
_err "You don't specify cloudflare api key and email yet."
_err "Please create you key and try again."
return 1
fi
if ! _contains "$CF_Email" "@"; then
_err "It seems that the CF_Email=$CF_Email is not a valid email address."
_err "Please check and retry."
return 1
fi
#save the api key and email to the account conf file.
_saveaccountconf CF_Key "$CF_Key"
_saveaccountconf CF_Email "$CF_Email"
_debug "First detect the root zone"
if ! _get_root "$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=$fulldomain"
if ! printf "%s" "$response" | grep \"success\":true >/dev/null; then
_err "Error"
return 1
fi
count=$(printf "%s\n" "$response" | _egrep_o "\"count\":[^,]*" | cut -d : -f 2)
_debug count "$count"
if [ "$count" = "0" ]; then
_info "Adding record"
if _cf_rest POST "zones/$_domain_id/dns_records" "{\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":\"$txtvalue\",\"ttl\":120}"; then
if printf -- "%s" "$response" | grep "$fulldomain" >/dev/null; then
_info "Added, OK"
return 0
else
_err "Add txt record error."
return 1
fi
fi
_err "Add txt record error."
else
_info "Updating record"
record_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \" | head -n 1)
_debug "record_id" "$record_id"
_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
_info "Updated, sleeping 10 seconds"
sleep 10
#todo: check if the record takes effect
return 0
fi
_err "Update error"
return 1
fi
}
#fulldomain txtvalue
dns_cf_rm() {
fulldomain=$1
txtvalue=$2
_debug "First detect the root zone"
if ! _get_root "$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" "$response" | grep \"success\":true >/dev/null; then
_err "Error"
return 1
fi
count=$(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
}
#################### Private functions bellow ##################################
#_acme-challenge.www.domain.com
#returns
# _sub_domain=_acme-challenge.www
# _domain=domain.com
# _domain_id=sdjkglgdfewsdfg
_get_root() {
domain=$1
i=2
p=1
while true; do
h=$(printf "%s" "$domain" | cut -d . -f $i-100)
if [ -z "$h" ]; then
#not valid
return 1
fi
if ! _cf_rest GET "zones?name=$h"; then
return 1
fi
if printf "%s" "$response" | grep "\"name\":\"$h\"" >/dev/null; then
_domain_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":\"[^\"]*\"" | head -n 1 | cut -d : -f 2 | tr -d \")
if [ "$_domain_id" ]; then
_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
_domain=$h
return 0
fi
return 1
fi
p=$i
i=$(_math "$i" + 1)
done
return 1
}
_cf_rest() {
m=$1
ep="$2"
data="$3"
_debug "$ep"
_H1="X-Auth-Email: $CF_Email"
_H2="X-Auth-Key: $CF_Key"
_H3="Content-Type: application/json"
if [ "$m" != "GET" ]; then
_debug data "$data"
response="$(_post "$data" "$CF_Api/$ep" "" "$m")"
else
response="$(_get "$CF_Api/$ep")"
fi
if [ "$?" != "0" ]; then
_err "error $ep"
return 1
fi
_debug2 response "$response"
return 0
}