dnsapi/dns_gcore.sh

   1 #!/usr/bin/env sh
   2
   3 #
   4 #GCORE_Key='773$7b7adaf2a2b32bfb1b83787b4ff32a67eb178e3ada1af733e47b1411f2461f7f4fa7ed7138e2772a46124377bad7384b3bb8d87748f87b3f23db4b8bbe41b2bb'
   5 #
   6
   7 GCORE_Api="https://api.gcorelabs.com/dns/v2"
   8 GCORE_Doc="https://apidocs.gcore.com/dns"
   9
  10 ########  Public functions #####################
  11
  12 #Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
  13 dns_gcore_add() {
  14   fulldomain=$1
  15   txtvalue=$2
  16
  17   GCORE_Key="${GCORE_Key:-$(_readaccountconf_mutable GCORE_Key)}"
  18
  19   if [ -z "$GCORE_Key" ]; then
  20     GCORE_Key=""
  21     _err "You didn't specify a Gcore api key yet."
  22     _err "You can get yours from here $GCORE_Doc"
  23     return 1
  24   fi
  25
  26   #save the api key to the account conf file.
  27   _saveaccountconf_mutable GCORE_Key "$GCORE_Key"
  28
  29   _debug "First detect the zone name"
  30   if ! _get_root "$fulldomain"; then
  31     _err "invalid domain"
  32     return 1
  33   fi
  34   _debug _zone_name "$_zone_name"
  35   _debug _sub_domain "$_sub_domain"
  36   _debug _domain "$_domain"
  37
  38   _debug "Getting txt records"
  39   _gcore_rest GET "zones/$_zone_name/$fulldomain/TXT"
  40   payload=""
  41
  42   if echo "$response" | grep "record is not found" >/dev/null; then
  43     _info "Record doesn't exists"
  44     payload="{\"resource_records\":[{\"content\":[\"$txtvalue\"],\"enabled\":true}],\"ttl\":120}"
  45   elif echo "$response" | grep "$txtvalue" >/dev/null; then
  46     _info "Already exists, OK"
  47     return 0
  48   elif echo "$response" | tr -d " " | grep \"name\":\""$fulldomain"\",\"type\":\"TXT\" >/dev/null; then
  49     _info "Record with mismatch txtvalue, try update it"
  50     payload=$(echo "$response" | tr -d " " | sed 's/"updated_at":[0-9]\+,//g' | sed 's/"meta":{}}]}/"meta":{}},{"content":['\""$txtvalue"\"'],"enabled":true}]}/')
  51   fi
  52
  53   # For wildcard cert, the main root domain and the wildcard domain have the same txt subdomain name, so
  54   # we can not use updating anymore.
  55   #  count=$(printf "%s\n" "$response" | _egrep_o "\"count\":[^,]*" | cut -d : -f 2)
  56   #  _debug count "$count"
  57   #  if [ "$count" = "0" ]; then
  58   _info "Adding record"
  59   if _gcore_rest PUT "zones/$_zone_name/$fulldomain/TXT" "$payload"; then
  60     if _contains "$response" "$txtvalue"; then
  61       _info "Added, OK"
  62       return 0
  63     elif _contains "$response" "rrset is already exists"; then
  64       _info "Already exists, OK"
  65       return 0
  66     else
  67       _err "Add txt record error."
  68       return 1
  69     fi
  70   fi
  71   _err "Add txt record error."
  72   return 1
  73 }
  74
  75 #fulldomain txtvalue
  76 dns_gcore_rm() {
  77   fulldomain=$1
  78   txtvalue=$2
  79
  80   GCORE_Key="${GCORE_Key:-$(_readaccountconf_mutable GCORE_Key)}"
  81
  82   _debug "First detect the root zone"
  83   if ! _get_root "$fulldomain"; then
  84     _err "invalid domain"
  85     return 1
  86   fi
  87   _debug _zone_name "$_zone_name"
  88   _debug _sub_domain "$_sub_domain"
  89   _debug _domain "$_domain"
  90
  91   _debug "Getting txt records"
  92   _gcore_rest GET "zones/$_zone_name/$fulldomain/TXT"
  93
  94   if echo "$response" | grep "record is not found" >/dev/null; then
  95     _info "No such txt recrod"
  96     return 0
  97   fi
  98
  99   if ! echo "$response" | tr -d " " | grep \"name\":\""$fulldomain"\",\"type\":\"TXT\" >/dev/null; then
 100     _err "Error: $response"
 101     return 1
 102   fi
 103
 104   if ! echo "$response" | tr -d " " | grep \""$txtvalue"\" >/dev/null; then
 105     _info "No such txt recrod"
 106     return 0
 107   fi
 108
 109   count="$(echo "$response" | grep -o "content" | wc -l)"
 110
 111   if [ "$count" = "1" ]; then
 112     if ! _gcore_rest DELETE "zones/$_zone_name/$fulldomain/TXT"; then
 113       _err "Delete record error. $response"
 114       return 1
 115     fi
 116     return 0
 117   fi
 118
 119   payload="$(echo "$response" | tr -d " " | sed 's/"updated_at":[0-9]\+,//g' | sed 's/{"id":[0-9]\+,"content":\["'"$txtvalue"'"\],"enabled":true,"meta":{}}//' | sed 's/\[,/\[/' | sed 's/,,/,/' | sed 's/,\]/\]/')"
 120   if ! _gcore_rest PUT "zones/$_zone_name/$fulldomain/TXT" "$payload"; then
 121     _err "Delete record error. $response"
 122   fi
 123 }
 124
 125 ####################  Private functions below ##################################
 126 #_acme-challenge.sub.domain.com
 127 #returns
 128 # _sub_domain=_acme-challenge.sub or _acme-challenge
 129 # _domain=domain.com
 130 # _zone_name=domain.com or sub.domain.com
 131 _get_root() {
 132   domain=$1
 133   i=1
 134   p=1
 135
 136   while true; do
 137     h=$(printf "%s" "$domain" | cut -d . -f $i-100)
 138     _debug h "$h"
 139     if [ -z "$h" ]; then
 140       #not valid
 141       return 1
 142     fi
 143
 144     if ! _gcore_rest GET "zones/$h"; then
 145       return 1
 146     fi
 147
 148     if _contains "$response" "\"name\":\"$h\""; then
 149       _zone_name=$h
 150       if [ "$_zone_name" ]; then
 151         _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
 152         _domain=$h
 153         return 0
 154       fi
 155       return 1
 156     fi
 157     p=$i
 158     i=$(_math "$i" + 1)
 159   done
 160   return 1
 161 }
 162
 163 _gcore_rest() {
 164   m=$1
 165   ep="$2"
 166   data="$3"
 167   _debug "$ep"
 168
 169   key_trimmed=$(echo "$GCORE_Key" | tr -d '"')
 170
 171   export _H1="Content-Type: application/json"
 172   export _H2="Authorization: APIKey $key_trimmed"
 173
 174   if [ "$m" != "GET" ]; then
 175     _debug data "$data"
 176     response="$(_post "$data" "$GCORE_Api/$ep" "" "$m")"
 177   else
 178     response="$(_get "$GCORE_Api/$ep")"
 179   fi
 180
 181   if [ "$?" != "0" ]; then
 182     _err "error $ep"
 183     return 1
 184   fi
 185   _debug2 response "$response"
 186   return 0
 187 }