_debug _sub_domain "$_sub_domain"
_debug _domain "$_domain"
-
- if _servercow_api POST "$_domain" "{\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":\"$txtvalue\",\"ttl\":20}"; then
- if printf -- "%s" "$response" | grep "ok" >/dev/null; then
- _info "Added, OK"
- return 0
+
+ # check whether a txt record already exists for the subdomain
+ if printf -- "%s" "$response" | grep "{\"name\":\"$_sub_domain\",\"ttl\":20,\"type\":\"TXT\"" >/dev/null; then
+ _info "A txt record with the same name already exists."
+ # trim the string on the left
+ txtvalue_old=${response#*{\"name\":\"$_sub_domain\",\"ttl\":20,\"type\":\"TXT\",\"content\":\"}
+ # trim the string on the right
+ txtvalue_old=${txtvalue_old%%\"*}
+
+ _debug txtvalue_old "$txtvalue_old"
+
+ _info "Add the new txtvalue to the existing txt record."
+ if _servercow_api POST "$_domain" "{\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":[\"$txtvalue\",\"$txtvalue_old\"],\"ttl\":20}"; then
+ if printf -- "%s" "$response" | grep "ok" >/dev/null; then
+ _info "Added additional txtvalue, OK"
+ return 0
+ else
+ _err "add txt record error."
+ return 1
+ fi
+ fi
+ _err "add txt record error."
+ return 1
else
+ _info "There is no txt record with the name yet."
+ if _servercow_api POST "$_domain" "{\"type\":\"TXT\",\"name\":\"$fulldomain\",\"content\":\"$txtvalue\",\"ttl\":20}"; then
+ if printf -- "%s" "$response" | grep "ok" >/dev/null; then
+ _info "Added, OK"
+ return 0
+ else
+ _err "add txt record error."
+ return 1
+ fi
+ fi
_err "add txt record error."
return 1
- fi
fi
- _err "add txt record error."
-
+
return 1
}