#!/usr/bin/env sh
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Ali_API="https://alidns.aliyuncs.com/"
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#Ali_Key="LTqIA87hOKdjevsf5"
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#Ali_Secret="0p5EYueFNq501xnCPzKNbx6K51qPH2"
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#Usage: dns_ali_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns_ali_add() {
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fulldomain=$1
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txtvalue=$2
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Ali_Key="${Ali_Key:-$(_readaccountconf_mutable Ali_Key)}"
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Ali_Secret="${Ali_Secret:-$(_readaccountconf_mutable Ali_Secret)}"
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if [ -z "$Ali_Key" ] || [ -z "$Ali_Secret" ]; then
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Ali_Key=""
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Ali_Secret=""
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_err "You don't specify aliyun api key and secret yet."
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return 1
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fi
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#save the api key and secret to the account conf file.
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_saveaccountconf_mutable Ali_Key "$Ali_Key"
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_saveaccountconf_mutable Ali_Secret "$Ali_Secret"
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_debug "First detect the root zone"
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if ! _get_root "$fulldomain"; then
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return 1
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fi
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_debug "Add record"
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_add_record_query "$_domain" "$_sub_domain" "$txtvalue" && _ali_rest "Add record"
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}
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dns_ali_rm() {
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fulldomain=$1
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txtvalue=$2
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Ali_Key="${Ali_Key:-$(_readaccountconf_mutable Ali_Key)}"
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Ali_Secret="${Ali_Secret:-$(_readaccountconf_mutable Ali_Secret)}"
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_debug "First detect the root zone"
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if ! _get_root "$fulldomain"; then
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return 1
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fi
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_clean
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}
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#################### Private functions below ##################################
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_get_root() {
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domain=$1
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i=2
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p=1
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while true; do
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h=$(printf "%s" "$domain" | cut -d . -f $i-100)
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if [ -z "$h" ]; then
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#not valid
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return 1
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fi
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_describe_records_query "$h"
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if ! _ali_rest "Get root" "ignore"; then
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return 1
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fi
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if _contains "$response" "PageNumber"; then
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_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
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_debug _sub_domain "$_sub_domain"
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_domain="$h"
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_debug _domain "$_domain"
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return 0
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fi
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p="$i"
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i=$(_math "$i" + 1)
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done
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return 1
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}
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_ali_rest() {
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signature=$(printf "%s" "GET&%2F&$(_ali_urlencode "$query")" | _hmac "sha1" "$(printf "%s" "$Ali_Secret&" | _hex_dump | tr -d " ")" | _base64)
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signature=$(_ali_urlencode "$signature")
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url="$Ali_API?$query&Signature=$signature"
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if ! response="$(_get "$url")"; then
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_err "Error <$1>"
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return 1
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fi
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_debug2 response "$response"
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if [ -z "$2" ]; then
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message="$(echo "$response" | _egrep_o "\"Message\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \")"
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if [ "$message" ]; then
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_err "$message"
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return 1
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fi
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fi
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}
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_ali_urlencode() {
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_str="$1"
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_str_len=${#_str}
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_u_i=1
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while [ "$_u_i" -le "$_str_len" ]; do
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_str_c="$(printf "%s" "$_str" | cut -c "$_u_i")"
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case $_str_c in [a-zA-Z0-9.~_-])
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printf "%s" "$_str_c"
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;;
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*)
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printf "%%%02X" "'$_str_c"
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;;
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esac
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_u_i="$(_math "$_u_i" + 1)"
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done
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}
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_ali_nonce() {
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#_head_n 1 </dev/urandom | _digest "sha256" hex | cut -c 1-31
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#Not so good...
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date +"%s%N"
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}
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_check_exist_query() {
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_qdomain="$1"
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_qsubdomain="$2"
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query=''
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query=$query'AccessKeyId='$Ali_Key
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query=$query'&Action=DescribeDomainRecords'
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query=$query'&DomainName='$_qdomain
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query=$query'&Format=json'
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query=$query'&RRKeyWord='$_qsubdomain
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query=$query'&SignatureMethod=HMAC-SHA1'
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query=$query"&SignatureNonce=$(_ali_nonce)"
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query=$query'&SignatureVersion=1.0'
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query=$query'&Timestamp='$(_timestamp)
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query=$query'&TypeKeyWord=TXT'
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query=$query'&Version=2015-01-09'
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}
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_add_record_query() {
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query=''
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query=$query'AccessKeyId='$Ali_Key
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query=$query'&Action=AddDomainRecord'
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query=$query'&DomainName='$1
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query=$query'&Format=json'
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query=$query'&RR='$2
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query=$query'&SignatureMethod=HMAC-SHA1'
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query=$query"&SignatureNonce=$(_ali_nonce)"
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query=$query'&SignatureVersion=1.0'
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query=$query'&Timestamp='$(_timestamp)
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query=$query'&Type=TXT'
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query=$query'&Value='$3
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query=$query'&Version=2015-01-09'
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}
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_delete_record_query() {
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query=''
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query=$query'AccessKeyId='$Ali_Key
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query=$query'&Action=DeleteDomainRecord'
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query=$query'&Format=json'
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query=$query'&RecordId='$1
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query=$query'&SignatureMethod=HMAC-SHA1'
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query=$query"&SignatureNonce=$(_ali_nonce)"
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query=$query'&SignatureVersion=1.0'
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query=$query'&Timestamp='$(_timestamp)
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query=$query'&Version=2015-01-09'
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}
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_describe_records_query() {
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query=''
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query=$query'AccessKeyId='$Ali_Key
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query=$query'&Action=DescribeDomainRecords'
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query=$query'&DomainName='$1
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query=$query'&Format=json'
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query=$query'&SignatureMethod=HMAC-SHA1'
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query=$query"&SignatureNonce=$(_ali_nonce)"
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query=$query'&SignatureVersion=1.0'
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query=$query'&Timestamp='$(_timestamp)
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query=$query'&Version=2015-01-09'
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}
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_clean() {
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_check_exist_query "$_domain" "$_sub_domain"
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# do not correct grammar here
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if ! _ali_rest "Check exist records" "ignore"; then
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return 1
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fi
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record_id="$(echo "$response" | tr '{' "\n" | grep "$_sub_domain" | grep -- "$txtvalue" | tr "," "\n" | grep RecordId | cut -d '"' -f 4)"
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_debug2 record_id "$record_id"
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if [ -z "$record_id" ]; then
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_debug "record not found, skip"
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else
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_delete_record_query "$record_id"
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_ali_rest "Delete record $record_id" "ignore"
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fi
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}
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_timestamp() {
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date -u +"%Y-%m-%dT%H%%3A%M%%3A%SZ"
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}
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