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