79 lines
1.9 KiB
Bash
Executable File
79 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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set -e
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if [[ -z "$EXTERNAL_HTTP_PORT" ]] && [[ -z "$EXTERNAL_HTTPS_PORT" ]]; then
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echo "EXTERNAL_HTTP_PORT and EXTERNAL_HTTPS_PORT are not set. Aborting."
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exit 1
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fi
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if [[ -f "/certs/key.pem" ]] && [[ -f "/certs/cert.pem" ]]; then
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certs_exists=1
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fi
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if [[ -n "$EXTERNAL_HTTPS_PORT" ]] && [[ -z "$certs_exists" ]]; then
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echo "Configured https, but no certificates found. Aborting"
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exit 1
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fi
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# config: https
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if [[ -n "$EXTERNAL_HTTPS_PORT" ]] ; then
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cat <<EOF > /etc/caddy/endpoint
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https://:8001 {
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tls /certs/cert.pem /certs/key.pem
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EOF
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echo "Configured https"
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fi
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# config: http and no https
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if [[ -n "$EXTERNAL_HTTP_PORT" ]] && [[ -z "$EXTERNAL_HTTPS_PORT" ]] ; then
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echo "http://:8000 {" > /etc/caddy/endpoint
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echo "Configured http only"
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fi
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# config: https and additionally http -> create redirect-file
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if [[ -n "$EXTERNAL_HTTP_PORT" ]] && [[ -n "$EXTERNAL_HTTPS_PORT" ]] ; then
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cat <<EOF > /etc/caddy/redirect
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http://:8000 {
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redir https://$INSTANCE_DOMAIN{uri}
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}
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EOF
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echo "Configured http to https redirect"
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fi
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# Add allowed hosts from $ALLOWED_HOSTS
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# If the variable is empty, all hosts are allowed.
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# The hosts are ORed, so the request is valid, if one host matches.
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# Example: ALLOWED_HOSTS="localhost:8000 127.0.0.1:8000"
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#
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# @invalid-host {
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# not {
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# header Host localhost:8000
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# header Host 127.0.0.1:8000
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# }
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# }
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# respond @invalid-host "Misdirected Request" 421 {
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# close
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# }
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if [[ ! -z "$ALLOWED_HOSTS" ]]; then
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cat <<EOF > /etc/caddy/invalid_host
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@invalid-host {
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not {
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EOF
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for host in $ALLOWED_HOSTS; do
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echo " host $host" >> /etc/caddy/invalid_host
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done
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cat <<EOF >> /etc/caddy/invalid_host
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}
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}
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respond @invalid-host "Misdirected Request" 421 {
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close
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}
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EOF
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echo "Configured allowed hosts: $ALLOWED_HOSTS"
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else
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echo "All hosts allowed"
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fi
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exec "$@"
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