Create dns_vercel.sh

This commit is contained in:
denkristoffer 2022-05-09 21:59:27 +02:00 committed by neil
parent 9aaae24583
commit f16e060e87

142
dnsapi/dns_vercel.sh Normal file
View File

@ -0,0 +1,142 @@
#!/usr/bin/env sh
# Vercel DNS API
#
# This is your API token which can be acquired on the account page.
# https://vercel.com/account/tokens
#
# VERCEL_TOKEN="sdfsdfsdfljlbjkljlkjsdfoiwje"
VERCEL_API="https://api.vercel.com"
#Usage: add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
dns_vercel_add() {
fulldomain=$1
txtvalue=$2
_debug fulldomain "$fulldomain"
_debug txtvalue "$txtvalue"
VERCEL_TOKEN="${VERCEL_TOKEN:-$(_readaccountconf_mutable VERCEL_TOKEN)}"
if [ -z "$VERCEL_TOKEN" ]; then
VERCEL_TOKEN=""
_err "You have not set the Vercel API token yet."
_err "Please visit https://vercel.com/account/tokens to generate it."
return 1
fi
_saveaccountconf_mutable VERCEL_TOKEN "$VERCEL_TOKEN"
if ! _get_root "$fulldomain"; then
_err "invalid domain"
return 1
fi
_debug _sub_domain "$_sub_domain"
_debug _domain "$_domain"
_info "Adding record"
if _vercel_rest POST "v2/domains/$_domain/records" "{\"type\":\"TXT\",\"name\":\"$_sub_domain\",\"value\":\"$txtvalue\"}"; then
if printf -- "%s" "$response" | grep "\"uid\":\"" >/dev/null; then
_info "Added"
return 0
else
_err "Unexpected response while adding text record."
return 1
fi
fi
_err "Add txt record error."
}
dns_vercel_rm() {
fulldomain=$1
txtvalue=$2
if ! _get_root "$fulldomain"; then
_err "invalid domain"
return 1
fi
_vercel_rest GET "v2/domains/$_domain/records"
count=$(printf "%s\n" "$response" | _egrep_o "\"name\":\"$_sub_domain\",[^{]*\"type\":\"TXT\"" | wc -l | tr -d " ")
if [ "$count" = "0" ]; then
_info "Don't need to remove."
else
_record_id=$(printf "%s" "$response" | _egrep_o "\"id\":[^,]*,\"slug\":\"[^,]*\",\"name\":\"$_sub_domain\",[^{]*\"type\":\"TXT\",\"value\":\"$txtvalue\"" | cut -d: -f2 | cut -d, -f1 | tr -d '"')
if [ "$_record_id" ]; then
echo "$_record_id" | while read -r item; do
if _vercel_rest DELETE "v2/domains/$_domain/records/$item"; then
_info "removed record" "$item"
return 0
else
_err "failed to remove record" "$item"
return 1
fi
done
fi
fi
}
#################### Private functions below ##################################
#_acme-challenge.www.domain.com
#returns
# _sub_domain=_acme-challenge.www
# _domain=domain.com
_get_root() {
domain="$1"
ep="$2"
i=1
p=1
while true; do
h=$(printf "%s" "$domain" | cut -d . -f $i-100)
if [ -z "$h" ]; then
#not valid
return 1
fi
if ! _vercel_rest GET "v4/domains/$h"; then
return 1
fi
if _contains "$response" "\"name\":\"$h\"" >/dev/null; then
_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
_domain=$h
return 0
fi
p=$i
i=$(_math "$i" + 1)
done
return 1
}
_vercel_rest() {
m="$1"
ep="$2"
data="$3"
path="$VERCEL_API/$ep"
export _H1="Content-Type: application/json"
export _H2="Authorization: Bearer $VERCEL_TOKEN"
if [ "$m" != "GET" ]; then
_secure_debug2 data "$data"
response="$(_post "$data" "$path" "" "$m")"
else
response="$(_get "$path")"
fi
_ret="$?"
_code="$(grep "^HTTP" "$HTTP_HEADER" | _tail_n 1 | cut -d " " -f 2 | tr -d "\\r\\n")"
_debug "http response code $_code"
_secure_debug2 response "$response"
if [ "$_ret" != "0" ]; then
_err "error $ep"
return 1
fi
response="$(printf "%s" "$response" | _normalizeJson)"
return 0
}