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#!/usr/bin/env sh
##CF_Key="sdfsdfsdfljlbjkljlkjsdfoiwje"##CF_Email="xxxx@sss.com"
#CF_Token="xxxx"#CF_Account_ID="xxxx"#CF_Zone_ID="xxxx"
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=$2
CF_Token="${CF_Token:-$(_readaccountconf_mutable CF_Token)}" CF_Account_ID="${CF_Account_ID:-$(_readaccountconf_mutable CF_Account_ID)}" CF_Zone_ID="${CF_Zone_ID:-$(_readaccountconf_mutable CF_Zone_ID)}" CF_Key="${CF_Key:-$(_readaccountconf_mutable CF_Key)}" CF_Email="${CF_Email:-$(_readaccountconf_mutable CF_Email)}"
if [ "$CF_Token" ]; then _saveaccountconf_mutable CF_Token "$CF_Token" _saveaccountconf_mutable CF_Account_ID "$CF_Account_ID" _saveaccountconf_mutable CF_Zone_ID "$CF_Zone_ID" else if [ -z "$CF_Key" ] || [ -z "$CF_Email" ]; then CF_Key="" CF_Email="" _err "You didn't specify a Cloudflare api key and email yet." _err "You can get yours from here https://dash.cloudflare.com/profile." return 1 fi
if ! _contains "$CF_Email" "@"; then _err "It seems that the CF_Email=$CF_Email is not a valid email address." _err "Please check and retry." return 1 fi #save the api key and email to the account conf file. _saveaccountconf_mutable CF_Key "$CF_Key" _saveaccountconf_mutable CF_Email "$CF_Email" fi
_debug "First detect the root zone" if ! _get_root "$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
# For wildcard cert, the main root domain and the wildcard domain have the same txt subdomain name, so # we can not use updating anymore. # 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\":\"$txtvalue\",\"ttl\":120}"; then if _contains "$response" "$txtvalue"; then _info "Added, OK" return 0 elif _contains "$response" "The record already exists"; then _info "Already exists, OK" return 0 else _err "Add txt record error." return 1 fi fi _err "Add txt record error." return 1
}
#fulldomain txtvaluedns_cf_rm() { fulldomain=$1 txtvalue=$2
CF_Token="${CF_Token:-$(_readaccountconf_mutable CF_Token)}" CF_Account_ID="${CF_Account_ID:-$(_readaccountconf_mutable CF_Account_ID)}" CF_Zone_ID="${CF_Zone_ID:-$(_readaccountconf_mutable CF_Zone_ID)}" CF_Key="${CF_Key:-$(_readaccountconf_mutable CF_Key)}" CF_Email="${CF_Email:-$(_readaccountconf_mutable CF_Email)}"
_debug "First detect the root zone" if ! _get_root "$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=$fulldomain&content=$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 below ###################################_acme-challenge.www.domain.com#returns# _sub_domain=_acme-challenge.www# _domain=domain.com# _domain_id=sdjkglgdfewsdfg_get_root() { domain=$1 i=1 p=1
# Use Zone ID directly if provided if [ "$CF_Zone_ID" ]; then if ! _cf_rest GET "zones/$CF_Zone_ID"; then return 1 else if _contains "$response" '"success":true'; then _domain=$(printf "%s\n" "$response" | _egrep_o "\"name\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \" | head -n 1) if [ "$_domain" ]; then _cutlength=$((${#domain} - ${#_domain} - 1)) _sub_domain=$(printf "%s" "$domain" | cut -c "1-$_cutlength") _domain_id=$CF_Zone_ID return 0 else return 1 fi else return 1 fi fi fi
while true; do h=$(printf "%s" "$domain" | cut -d . -f $i-100) _debug h "$h" if [ -z "$h" ]; then #not valid return 1 fi
if [ "$CF_Account_ID" ]; then if ! _cf_rest GET "zones?name=$h&account.id=$CF_Account_ID"; then return 1 fi else if ! _cf_rest GET "zones?name=$h"; then return 1 fi fi
if _contains "$response" "\"name\":\"$h\"" || _contains "$response" '"total_count":1'; then _domain_id=$(echo "$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"
email_trimmed=$(echo "$CF_Email" | tr -d '"') key_trimmed=$(echo "$CF_Key" | tr -d '"') token_trimmed=$(echo "$CF_Token" | tr -d '"')
export _H1="Content-Type: application/json" if [ "$token_trimmed" ]; then export _H2="Authorization: Bearer $token_trimmed" else export _H2="X-Auth-Email: $email_trimmed" export _H3="X-Auth-Key: $key_trimmed" fi
if [ "$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}
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