dnsapi/dns_ali.sh

   1 #!/usr/bin/env sh
   2
   3 Ali_API="https://alidns.aliyuncs.com/"
   4
   5 #Ali_Key="LTqIA87hOKdjevsf5"
   6 #Ali_Secret="0p5EYueFNq501xnCPzKNbx6K51qPH2"
   7
   8 #Usage: dns_ali_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
   9 dns_ali_add() {
  10   fulldomain=$1
  11   txtvalue=$2
  12
  13   if [ -z "$Ali_Key" ] || [ -z "$Ali_Secret" ]; then
  14     Ali_Key=""
  15     Ali_Secret=""
  16     _err "You don't specify aliyun api key and secret yet."
  17     return 1
  18   fi
  19
  20   #save the api key and secret to the account conf file.
  21   _saveaccountconf Ali_Key "$Ali_Key"
  22   _saveaccountconf Ali_Secret "$Ali_Secret"
  23
  24   _debug "First detect the root zone"
  25   if ! _get_root "$fulldomain"; then
  26     return 1
  27   fi
  28
  29   _debug "Add record"
  30   _add_record_query "$_domain" "$_sub_domain" "$txtvalue" && _ali_rest "Add record"
  31 }
  32
  33 dns_ali_rm() {
  34   fulldomain=$1
  35   _clean
  36 }
  37
  38 ####################  Private functions bellow ##################################
  39
  40 _get_root() {
  41   domain=$1
  42   i=2
  43   p=1
  44   while true; do
  45     h=$(printf "%s" "$domain" | cut -d . -f $i-100)
  46     if [ -z "$h" ]; then
  47       #not valid
  48       return 1
  49     fi
  50
  51     _describe_records_query "$h"
  52     if ! _ali_rest "Get root" "ignore"; then
  53       return 1
  54     fi
  55
  56     if _contains "$response" "PageNumber"; then
  57       _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
  58       _debug _sub_domain "$_sub_domain"
  59       _domain="$h"
  60       _debug _domain "$_domain"
  61       return 0
  62     fi
  63     p="$i"
  64     i=$(_math "$i" + 1)
  65   done
  66   return 1
  67 }
  68
  69 _ali_rest() {
  70   signature=$(printf "%s" "GET&%2F&$(_ali_urlencode "$query")" | _hmac "sha1" "$(_hex "$Ali_Secret&")" | _base64)
  71   signature=$(_ali_urlencode "$signature")
  72   url="$Ali_API?$query&Signature=$signature"
  73
  74   if ! response="$(_get "$url")"; then
  75     _err "Error <$1>"
  76     return 1
  77   fi
  78
  79   if [ -z "$2" ]; then
  80     message="$(printf "%s" "$response" | _egrep_o "\"Message\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \")"
  81     if [ -n "$message" ]; then
  82       _err "$message"
  83       return 1
  84     fi
  85   fi
  86
  87   _debug2 response "$response"
  88   return 0
  89 }
  90
  91 _ali_urlencode() {
  92   _str="$1"
  93   _str_len=${#_str}
  94   _u_i=1
  95   while [ "$_u_i" -le "$_str_len" ]; do
  96     _str_c="$(printf "%s" "$_str" | cut -c "$_u_i")"
  97     case $_str_c in [a-zA-Z0-9.~_-])
  98       printf "%s" "$_str_c"
  99       ;;
 100     *)
 101       printf "%%%02X" "'$_str_c"
 102       ;;
 103     esac
 104     _u_i="$(_math "$_u_i" + 1)"
 105   done
 106 }
 107
 108 _ali_nonce() {
 109   #_head_n 1 </dev/urandom | _digest "sha256" hex | cut -c 1-31
 110   #Not so good...
 111   date +"%s%N"
 112 }
 113
 114 _check_exist_query() {
 115   query=''
 116   query=$query'AccessKeyId='$Ali_Key
 117   query=$query'&Action=DescribeDomainRecords'
 118   query=$query'&DomainName='$1
 119   query=$query'&Format=json'
 120   query=$query'&RRKeyWord=_acme-challenge'
 121   query=$query'&SignatureMethod=HMAC-SHA1'
 122   query=$query"&SignatureNonce=$(_ali_nonce)"
 123   query=$query'&SignatureVersion=1.0'
 124   query=$query'&Timestamp='$(_timestamp)
 125   query=$query'&TypeKeyWord=TXT'
 126   query=$query'&Version=2015-01-09'
 127 }
 128
 129 _add_record_query() {
 130   query=''
 131   query=$query'AccessKeyId='$Ali_Key
 132   query=$query'&Action=AddDomainRecord'
 133   query=$query'&DomainName='$1
 134   query=$query'&Format=json'
 135   query=$query'&RR='$2
 136   query=$query'&SignatureMethod=HMAC-SHA1'
 137   query=$query"&SignatureNonce=$(_ali_nonce)"
 138   query=$query'&SignatureVersion=1.0'
 139   query=$query'&Timestamp='$(_timestamp)
 140   query=$query'&Type=TXT'
 141   query=$query'&Value='$3
 142   query=$query'&Version=2015-01-09'
 143 }
 144
 145 _delete_record_query() {
 146   query=''
 147   query=$query'AccessKeyId='$Ali_Key
 148   query=$query'&Action=DeleteDomainRecord'
 149   query=$query'&Format=json'
 150   query=$query'&RecordId='$1
 151   query=$query'&SignatureMethod=HMAC-SHA1'
 152   query=$query"&SignatureNonce=$(_ali_nonce)"
 153   query=$query'&SignatureVersion=1.0'
 154   query=$query'&Timestamp='$(_timestamp)
 155   query=$query'&Version=2015-01-09'
 156 }
 157
 158 _describe_records_query() {
 159   query=''
 160   query=$query'AccessKeyId='$Ali_Key
 161   query=$query'&Action=DescribeDomainRecords'
 162   query=$query'&DomainName='$1
 163   query=$query'&Format=json'
 164   query=$query'&SignatureMethod=HMAC-SHA1'
 165   query=$query"&SignatureNonce=$(_ali_nonce)"
 166   query=$query'&SignatureVersion=1.0'
 167   query=$query'&Timestamp='$(_timestamp)
 168   query=$query'&Version=2015-01-09'
 169 }
 170
 171 _clean() {
 172   _check_exist_query "$_domain"
 173   if ! _ali_rest "Check exist records" "ignore"; then
 174     return 1
 175   fi
 176
 177   records="$(echo "$response" -n | _egrep_o "\"RecordId\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \")"
 178   printf "%s" "$records" \
 179     | while read -r record_id; do
 180       _delete_record_query "$record_id"
 181       _ali_rest "Delete record $record_id" "ignore"
 182     done
 183 }
 184
 185 _timestamp() {
 186   date -u +"%Y-%m-%dT%H%%3A%M%%3A%SZ"
 187 }