dnsapi/dns_cf.sh

   1 #!/usr/bin/env sh
   2
   3 #
   4 #CF_Key="sdfsdfsdfljlbjkljlkjsdfoiwje"
   5 #
   6 #CF_Email="xxxx@sss.com"
   7
   8 CF_Api="https://api.cloudflare.com/client/v4"
   9
  10 ########  Public functions #####################
  11
  12 #Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
  13 dns_cf_add() {
  14   fulldomain=$1
  15   txtvalue=$2
  16
  17   CF_Key="${CF_Key:-$(_readaccountconf_mutable CF_Key)}"
  18   CF_Email="${CF_Email:-$(_readaccountconf_mutable CF_Email)}"
  19   if [ -z "$CF_Key" ] || [ -z "$CF_Email" ]; then
  20     CF_Key=""
  21     CF_Email=""
  22     _err "You didn't specify a cloudflare api key and email yet."
  23     _err "Please create the key and try again."
  24     return 1
  25   fi
  26
  27   if ! _contains "$CF_Email" "@"; then
  28     _err "It seems that the CF_Email=$CF_Email is not a valid email address."
  29     _err "Please check and retry."
  30     return 1
  31   fi
  32
  33   #save the api key and email to the account conf file.
  34   _saveaccountconf_mutable CF_Key "$CF_Key"
  35   _saveaccountconf_mutable CF_Email "$CF_Email"
  36
  37   _DOMAIN_CF_ZONES_CACHE_NAME_="$(echo "${CF_Email}_CF_ZONES_" | tr '@.' '__')"
  38   _cleardomainconf "$_DOMAIN_CF_ZONES_CACHE_NAME_"
  39
  40   _debug "First detect the root zone"
  41   if ! _get_root "$fulldomain"; then
  42     _err "invalid domain"
  43     return 1
  44   fi
  45   _debug _domain_id "$_domain_id"
  46   _debug _sub_domain "$_sub_domain"
  47   _debug _domain "$_domain"
  48
  49   _debug "Getting txt records"
  50   _cf_rest GET "zones/${_domain_id}/dns_records?type=TXT&name=$fulldomain"
  51
  52   if ! printf "%s" "$response" | grep \"success\":true >/dev/null; then
  53     _err "Error"
  54     return 1
  55   fi
  56
  57   # For wildcard cert, the main root domain and the wildcard domain have the same txt subdomain name, so
  58   # we can not use updating anymore.
  59   #  count=$(printf "%s\n" "$response" | _egrep_o "\"count\":[^,]*" | cut -d : -f 2)
  60   #  _debug count "$count"
  61   #  if [ "$count" = "0" ]; then
  62   _info "Adding record"
  63   if _cf_rest POST "zones/$_domain_id/dns_records" "{\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":\"$txtvalue\",\"ttl\":120}"; then
  64     if _contains "$response" "$fulldomain"; then
  65       _info "Added, OK"
  66       return 0
  67     elif _contains "$response" "The record already exists"; then
  68       _info "Already exists, OK"
  69       return 0
  70     else
  71       _err "Add txt record error."
  72       return 1
  73     fi
  74   fi
  75   _err "Add txt record error."
  76   return 1
  77   #  else
  78   #    _info "Updating record"
  79   #    record_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \" | head -n 1)
  80   #    _debug "record_id" "$record_id"
  81   #
  82   #    _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\":\"$_domain\"}"
  83   #    if [ "$?" = "0" ]; then
  84   #      _info "Updated, OK"
  85   #      return 0
  86   #    fi
  87   #    _err "Update error"
  88   #    return 1
  89   #  fi
  90
  91 }
  92
  93 #fulldomain txtvalue
  94 dns_cf_rm() {
  95   fulldomain=$1
  96   txtvalue=$2
  97
  98   CF_Key="${CF_Key:-$(_readaccountconf_mutable CF_Key)}"
  99   CF_Email="${CF_Email:-$(_readaccountconf_mutable CF_Email)}"
 100   if [ -z "$CF_Key" ] || [ -z "$CF_Email" ]; then
 101     CF_Key=""
 102     CF_Email=""
 103     _err "You didn't specify a cloudflare api key and email yet."
 104     _err "Please create the key and try again."
 105     return 1
 106   fi
 107
 108   _DOMAIN_CF_ZONES_CACHE_NAME_="$(echo "${CF_Email}_CF_ZONES_" | tr '@.' '__')"
 109
 110   _debug "First detect the root zone"
 111   if ! _get_root "$fulldomain"; then
 112     _cleardomainconf "$_DOMAIN_CF_ZONES_CACHE_NAME_"
 113     _err "invalid domain"
 114     return 1
 115   fi
 116   _cleardomainconf "$_DOMAIN_CF_ZONES_CACHE_NAME_"
 117
 118   _debug _domain_id "$_domain_id"
 119   _debug _sub_domain "$_sub_domain"
 120   _debug _domain "$_domain"
 121
 122   _debug "Getting txt records"
 123   _cf_rest GET "zones/${_domain_id}/dns_records?type=TXT&name=$fulldomain&content=$txtvalue"
 124
 125   if ! printf "%s" "$response" | grep \"success\":true >/dev/null; then
 126     _err "Error"
 127     return 1
 128   fi
 129
 130   count=$(printf "%s\n" "$response" | _egrep_o "\"count\":[^,]*" | cut -d : -f 2)
 131   _debug count "$count"
 132   if [ "$count" = "0" ]; then
 133     _info "Don't need to remove."
 134   else
 135     record_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \" | head -n 1)
 136     _debug "record_id" "$record_id"
 137     if [ -z "$record_id" ]; then
 138       _err "Can not get record id to remove."
 139       return 1
 140     fi
 141     if ! _cf_rest DELETE "zones/$_domain_id/dns_records/$record_id"; then
 142       _err "Delete record error."
 143       return 1
 144     fi
 145     _contains "$response" '"success":true'
 146   fi
 147
 148 }
 149
 150 ####################  Private functions below ##################################
 151 #_acme-challenge.www.domain.com
 152 #returns
 153 # _sub_domain=_acme-challenge.www
 154 # _domain=domain.com
 155 # _domain_id=sdjkglgdfewsdfg
 156 _get_root() {
 157
 158   _cf_zones="$(_readdomainconf "$_DOMAIN_CF_ZONES_CACHE_NAME_")"
 159   _debug2 "_cf_zones" "$_cf_zones"
 160   if [ -z "$_cf_zones" ]; then
 161     _debug "$_DOMAIN_CF_ZONES_CACHE_NAME_ is none, so get it."
 162     if ! _cf_rest GET "zones"; then
 163       return 1
 164     fi
 165     _cf_zones="$response"
 166     _savedomainconf "$_DOMAIN_CF_ZONES_CACHE_NAME_" "$(echo "$_cf_zones" | _base64)"
 167   else
 168     _debug "$_DOMAIN_CF_ZONES_CACHE_NAME_ found"
 169     _cf_zones="$(echo "$_cf_zones" | _dbase64)"
 170   fi
 171
 172   domain=$1
 173   i=2
 174   p=1
 175   while true; do
 176     h=$(printf "%s" "$domain" | cut -d . -f $i-100)
 177     _debug h "$h"
 178     if [ -z "$h" ]; then
 179       #not valid
 180       return 1
 181     fi
 182
 183     if _contains "$_cf_zones" "\"name\":\"$h\"" >/dev/null; then
 184       _domain_id=$(echo "$_cf_zones" | tr '{' "\n" | grep "\"name\":\"$h\"" | _egrep_o "^\"id\":\"[^\"]*\"" | _head_n 1 | cut -d : -f 2 | tr -d \")
 185       if [ "$_domain_id" ]; then
 186         _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
 187         _domain=$h
 188         return 0
 189       fi
 190       return 1
 191     fi
 192     p=$i
 193     i=$(_math "$i" + 1)
 194   done
 195   return 1
 196 }
 197
 198 _cf_rest() {
 199   m=$1
 200   ep="$2"
 201   data="$3"
 202   _debug "$ep"
 203
 204   export _H1="X-Auth-Email: $CF_Email"
 205   export _H2="X-Auth-Key: $CF_Key"
 206   export _H3="Content-Type: application/json"
 207
 208   if [ "$m" != "GET" ]; then
 209     _debug data "$data"
 210     response="$(_post "$data" "$CF_Api/$ep" "" "$m")"
 211   else
 212     response="$(_get "$CF_Api/$ep")"
 213   fi
 214
 215   if [ "$?" != "0" ]; then
 216     _err "error $ep"
 217     return 1
 218   fi
 219   _debug2 response "$response"
 220   return 0
 221 }