dnsapi/dns_selfhost.sh

   1 #!/usr/bin/env sh
   2 #
   3 #       Author: Marvin Edeler
   4 #       Report Bugs here: https://github.com/Marvo2011/acme.sh/issues/1
   5 #       Last Edit: 17.02.2022
   6
   7 dns_selfhost_add() {
   8   fulldomain=$1
   9   txt=$2
  10   _info "Calling acme-dns on selfhost"
  11   _debug fulldomain "$fulldomain"
  12   _debug txtvalue "$txt"
  13
  14   SELFHOSTDNS_UPDATE_URL="https://selfhost.de/cgi-bin/api.pl"
  15
  16   # Get values, but don't save until we successfully validated
  17   SELFHOSTDNS_USERNAME="${SELFHOSTDNS_USERNAME:-$(_readaccountconf_mutable SELFHOSTDNS_USERNAME)}"
  18   SELFHOSTDNS_PASSWORD="${SELFHOSTDNS_PASSWORD:-$(_readaccountconf_mutable SELFHOSTDNS_PASSWORD)}"
  19   # These values are domain dependent, so read them from there
  20   SELFHOSTDNS_MAP="${SELFHOSTDNS_MAP:-$(_readdomainconf SELFHOSTDNS_MAP)}"
  21   # Selfhost api can't dynamically add TXT record,
  22   # so we have to store the last used RID of the domain to support a second RID for wildcard domains
  23   # (format: 'fulldomainA:lastRid fulldomainB:lastRid ...')
  24   SELFHOSTDNS_MAP_LAST_USED_INTERNAL=$(_readdomainconf SELFHOSTDNS_MAP_LAST_USED_INTERNAL)
  25
  26   if [ -z "${SELFHOSTDNS_USERNAME:-}" ] || [ -z "${SELFHOSTDNS_PASSWORD:-}" ]; then
  27     _err "SELFHOSTDNS_USERNAME and SELFHOSTDNS_PASSWORD must be set"
  28     return 1
  29   fi
  30
  31   # get the domain entry from SELFHOSTDNS_MAP
  32   # only match full domains (at the beginning of the string or with a leading whitespace),
  33   # e.g. don't match mytest.example.com or sub.test.example.com for test.example.com
  34   # if the domain is defined multiple times only the last occurance will be matched
  35   mapEntry=$(echo "$SELFHOSTDNS_MAP" | sed -n -E "s/(^|^.*[[:space:]])($fulldomain)(:[[:digit:]]+)([:]?[[:digit:]]*)(.*)/\2\3\4/p")
  36   _debug2 mapEntry "$mapEntry"
  37   if test -z "$mapEntry"; then
  38     _err "SELFHOSTDNS_MAP must contain the fulldomain incl. prefix and at least one RID"
  39     return 1
  40   fi
  41
  42   # get the RIDs from the map entry
  43   rid1=$(echo "$mapEntry" | cut -d: -f2)
  44   rid2=$(echo "$mapEntry" | cut -d: -f3)
  45
  46   # read last used rid domain
  47   lastUsedRidForDomainEntry=$(echo "$SELFHOSTDNS_MAP_LAST_USED_INTERNAL" | sed -n -E "s/(^|^.*[[:space:]])($fulldomain:[[:digit:]]+)(.*)/\2/p")
  48   _debug2 lastUsedRidForDomainEntry "$lastUsedRidForDomainEntry"
  49   lastUsedRidForDomain=$(echo "$lastUsedRidForDomainEntry" | cut -d: -f2)
  50
  51   rid="$rid1"
  52   if [ "$lastUsedRidForDomain" = "$rid" ] && ! test -z "$rid2"; then
  53     rid="$rid2"
  54   fi
  55
  56   _info "Trying to add $txt on selfhost for rid: $rid"
  57
  58   data="?username=$SELFHOSTDNS_USERNAME&password=$SELFHOSTDNS_PASSWORD&rid=$rid&content=$txt"
  59   response="$(_get "$SELFHOSTDNS_UPDATE_URL$data")"
  60
  61   if ! echo "$response" | grep "200 OK" >/dev/null; then
  62     _err "Invalid response of acme-dns for selfhost"
  63     return 1
  64   fi
  65
  66   # write last used rid domain
  67   newLastUsedRidForDomainEntry="$fulldomain:$rid"
  68   if ! test -z "$lastUsedRidForDomainEntry"; then
  69     # replace last used rid entry for domain
  70     SELFHOSTDNS_MAP_LAST_USED_INTERNAL=$(echo "$SELFHOSTDNS_MAP_LAST_USED_INTERNAL" | sed -n -E "s/$lastUsedRidForDomainEntry/$newLastUsedRidForDomainEntry/p")
  71   else
  72     # add last used rid entry for domain
  73     if test -z "$SELFHOSTDNS_MAP_LAST_USED_INTERNAL"; then
  74       SELFHOSTDNS_MAP_LAST_USED_INTERNAL="$newLastUsedRidForDomainEntry"
  75     else
  76       SELFHOSTDNS_MAP_LAST_USED_INTERNAL="$SELFHOSTDNS_MAP_LAST_USED_INTERNAL $newLastUsedRidForDomainEntry"
  77     fi
  78   fi
  79
  80   # Now that we know the values are good, save them
  81   _saveaccountconf_mutable SELFHOSTDNS_USERNAME "$SELFHOSTDNS_USERNAME"
  82   _saveaccountconf_mutable SELFHOSTDNS_PASSWORD "$SELFHOSTDNS_PASSWORD"
  83   # These values are domain dependent, so store them there
  84   _savedomainconf SELFHOSTDNS_MAP "$SELFHOSTDNS_MAP"
  85   _savedomainconf SELFHOSTDNS_MAP_LAST_USED_INTERNAL "$SELFHOSTDNS_MAP_LAST_USED_INTERNAL"
  86 }
  87
  88 dns_selfhost_rm() {
  89   fulldomain=$1
  90   txt=$2
  91   _debug fulldomain "$fulldomain"
  92   _debug txtvalue "$txt"
  93   _info "Creating and removing of records is not supported by selfhost API, will not delete anything."
  94 }