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