#!/usr/bin/env bash
set -eo pipefail
[[ $DOKKU_TRACE ]] && set -x
source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
source "$PLUGIN_CORE_AVAILABLE_PATH/common/property-functions"

fn-nginx-access-log-format() {
  declare desc="get the configured access log format"
  declare APP="$1"

  fn-get-property --app "$APP" "access-log-format"
}

fn-nginx-computed-access-log-format() {
  declare desc="get the computed access log format"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "access-log-format"
}

fn-nginx-global-access-log-format() {
  declare desc="get the global access log format"
  declare APP="$1"

  fn-get-property --app "$APP" --global "access-log-format"
}

fn-nginx-access-log-path() {
  declare desc="get the configured access log path"
  declare APP="$1"

  fn-get-property --app "$APP" "access-log-path"
}

fn-nginx-computed-access-log-path() {
  declare desc="get the computed access log path"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "access-log-path"
}

fn-nginx-global-access-log-path() {
  declare desc="get the global access log path"
  declare APP="$1"

  fn-get-property --app "$APP" --global "access-log-path"
}

fn-nginx-bind-address-ipv4() {
  declare desc="get the configured ipv4 bind address"
  declare APP="$1"

  fn-get-property --app "$APP" "bind-address-ipv4"
}

fn-nginx-computed-bind-address-ipv4() {
  declare desc="get the computed ipv4 bind address"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "bind-address-ipv4"
}

fn-nginx-global-bind-address-ipv4() {
  declare desc="get the global ipv4 bind address"
  declare APP="$1"

  fn-get-property --app "$APP" --global "bind-address-ipv4"
}

fn-nginx-bind-address-ipv6() {
  declare desc="get the configured ipv6 bind address"
  declare APP="$1"

  fn-get-property --app "$APP" "bind-address-ipv6"
}

fn-nginx-computed-bind-address-ipv6() {
  declare desc="get the computed ipv6 bind address"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "bind-address-ipv6"
}

fn-nginx-global-bind-address-ipv6() {
  declare desc="get the global ipv6 bind address"
  declare APP="$1"

  fn-get-property --app "$APP" --global "bind-address-ipv6"
}

fn-nginx-client-body-timeout() {
  declare desc="get the configured client body timeout"
  declare APP="$1"

  fn-get-property --app "$APP" "client-body-timeout"
}

fn-nginx-computed-client-body-timeout() {
  declare desc="get the computed client body timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "client-body-timeout"
}

fn-nginx-global-client-body-timeout() {
  declare desc="get the global client body timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --global "client-body-timeout"
}

fn-nginx-client-header-timeout() {
  declare desc="get the configured client header timeout"
  declare APP="$1"

  fn-get-property --app "$APP" "client-header-timeout"
}

fn-nginx-computed-client-header-timeout() {
  declare desc="get the computed client header timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "client-header-timeout"
}

fn-nginx-global-client-header-timeout() {
  declare desc="get the global client header timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --global "client-header-timeout"
}

fn-nginx-client-max-body-size() {
  declare desc="get the configured client max body size"
  declare APP="$1"

  fn-get-property --app "$APP" "client-max-body-size"
}

fn-nginx-computed-client-max-body-size() {
  declare desc="get the computed client max body size"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "client-max-body-size"
}

fn-nginx-global-client-max-body-size() {
  declare desc="get the global client max body size"
  declare APP="$1"

  fn-get-property --app "$APP" --global "client-max-body-size"
}

fn-nginx-disable-custom-config() {
  declare desc="get the configured disable-custom-config value"
  declare APP="$1"

  fn-get-property --app "$APP" "disable-custom-config"
}

fn-nginx-computed-disable-custom-config() {
  declare desc="get the computed disable-custom-config value"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "disable-custom-config"
}

fn-nginx-global-disable-custom-config() {
  declare desc="get the global disable-custom-config value"
  declare APP="$1"

  fn-get-property --app "$APP" --global "disable-custom-config"
}

fn-nginx-error-log-path() {
  declare desc="get the configured error log path"
  declare APP="$1"

  fn-get-property --app "$APP" "error-log-path"
}

fn-nginx-computed-error-log-path() {
  declare desc="get the computed error log path"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "error-log-path"
}

fn-nginx-global-error-log-path() {
  declare desc="get the global error log path"
  declare APP="$1"

  fn-get-property --app "$APP" --global "error-log-path"
}

fn-nginx-hsts-include-subdomains() {
  declare APP="$1"
  fn-get-property --app "$APP" "hsts-include-subdomains"
}

fn-nginx-computed-hsts-include-subdomains() {
  declare APP="$1"
  fn-get-property --app "$APP" --computed "hsts-include-subdomains"
}

fn-nginx-global-hsts-include-subdomains() {
  declare APP="$1"
  fn-get-property --app "$APP" --global "hsts-include-subdomains"
}

fn-nginx-hsts-max-age() {
  declare APP="$1"
  fn-get-property --app "$APP" "hsts-max-age"
}

fn-nginx-computed-hsts-max-age() {
  declare APP="$1"
  fn-get-property --app "$APP" --computed "hsts-max-age"
}

fn-nginx-global-hsts-max-age() {
  declare APP="$1"
  fn-get-property --app "$APP" --global "hsts-max-age"
}

fn-nginx-hsts-preload() {
  declare APP="$1"
  fn-get-property --app "$APP" "hsts-preload"
}

fn-nginx-computed-hsts-preload() {
  declare APP="$1"
  fn-get-property --app "$APP" --computed "hsts-preload"
}

fn-nginx-global-hsts-preload() {
  declare APP="$1"
  fn-get-property --app "$APP" --global "hsts-preload"
}

fn-nginx-hsts() {
  declare APP="$1"
  fn-get-property --app "$APP" "hsts"
}

fn-nginx-computed-hsts() {
  declare APP="$1"
  fn-get-property --app "$APP" --computed "hsts"
}

fn-nginx-global-hsts() {
  declare APP="$1"
  fn-get-property --app "$APP" --global "hsts"
}

fn-nginx-vhosts-last-visited-at() {
  declare APP="$1"
  local LOG_PATH=$(fn-nginx-access-log-path "$APP")

  if [[ "$LOG_PATH" != "off" ]] && [[ "$LOG_PATH" != "/dev/null" ]] && [[ -f "$LOG_PATH" ]]; then
    stat -c %Y "$LOG_PATH"
  fi
}

fn-nginx-log-root() {
  declare desc="get the nginx log root"
  local NGINX_LOG_ROOT="/var/log/nginx"

  fn-nginx-vhosts-uses-openresty && NGINX_LOG_ROOT="/var/log/openresty"
  echo "$NGINX_LOG_ROOT"
}

fn-nginx-keepalive-timeout() {
  declare desc="get the configured keepalive timeout"
  declare APP="$1"

  fn-get-property --app "$APP" "keepalive-timeout"
}

fn-nginx-computed-keepalive-timeout() {
  declare desc="get the computed keepalive timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "keepalive-timeout"
}

fn-nginx-global-keepalive-timeout() {
  declare desc="get the global keepalive timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --global "keepalive-timeout"
}

fn-nginx-lingering-timeout() {
  declare desc="get the configured lingering timeout"
  declare APP="$1"

  fn-get-property --app "$APP" "lingering-timeout"
}

fn-nginx-computed-lingering-timeout() {
  declare desc="get the computed lingering timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "lingering-timeout"
}

fn-nginx-global-lingering-timeout() {
  declare desc="get the global lingering timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --global "lingering-timeout"
}

fn-nginx-nginx-conf-sigil-path() {
  declare APP="$1"
  fn-get-property --app "$APP" "nginx-conf-sigil-path"
}

fn-nginx-computed-nginx-conf-sigil-path() {
  declare APP="$1"
  fn-get-property --computed --app "$APP" "nginx-conf-sigil-path"
}

fn-nginx-global-nginx-conf-sigil-path() {
  declare APP="$1"
  fn-get-property --global "nginx-conf-sigil-path"
}

fn-nginx-nginx-service-command() {
  declare APP="$1"
  fn-get-property --app "$APP" "nginx-service-command"
}

fn-nginx-computed-nginx-service-command() {
  declare APP="$1"
  fn-get-property --computed --app "$APP" "nginx-service-command"
}

fn-nginx-global-nginx-service-command() {
  declare APP="$1"
  fn-get-property --global "nginx-service-command"
}

fn-nginx-proxy-buffer-size() {
  declare desc="get the configured proxy buffer size"
  declare APP="$1"

  fn-get-property --app "$APP" "proxy-buffer-size"
}

fn-nginx-computed-proxy-buffer-size() {
  declare desc="get the computed proxy buffer size"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "proxy-buffer-size"
}

fn-nginx-global-proxy-buffer-size() {
  declare desc="get the global proxy buffer size"
  declare APP="$1"

  fn-get-property --app "$APP" --global "proxy-buffer-size"
}

fn-nginx-proxy-buffering() {
  declare desc="get the configured proxy buffering"
  declare APP="$1"

  fn-get-property --app "$APP" "proxy-buffering"
}

fn-nginx-computed-proxy-buffering() {
  declare desc="get the computed proxy buffering"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "proxy-buffering"
}
fn-nginx-global-proxy-buffering() {
  declare desc="get the global proxy buffering"
  declare APP="$1"

  fn-get-property --app "$APP" --global "proxy-buffering"
}

fn-nginx-proxy-buffers() {
  declare desc="get the configured proxy buffers"
  declare APP="$1"

  fn-get-property --app "$APP" "proxy-buffers"
}

fn-nginx-computed-proxy-buffers() {
  declare desc="get the computed proxy buffers"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "proxy-buffers"
}

fn-nginx-global-proxy-buffers() {
  declare desc="get the global proxy buffers"
  declare APP="$1"

  fn-get-property --app "$APP" --global "proxy-buffers"
}

fn-nginx-proxy-busy-buffers-size() {
  declare desc="get the configured proxy busy buffers size"
  declare APP="$1"

  fn-get-property --app "$APP" "proxy-busy-buffers-size"
}

fn-nginx-computed-proxy-busy-buffers-size() {
  declare desc="get the computed proxy busy buffers size"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "proxy-busy-buffers-size"
}

fn-nginx-global-proxy-busy-buffers-size() {
  declare desc="get the global proxy busy buffers size"
  declare APP="$1"

  fn-get-property --app "$APP" --global "proxy-busy-buffers-size"
}

fn-nginx-proxy-connect-timeout() {
  declare desc="get the configured proxy connect timeout"
  declare APP="$1"

  fn-get-property --app "$APP" "proxy-connect-timeout"
}

fn-nginx-computed-proxy-connect-timeout() {
  declare desc="get the computed proxy connect timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "proxy-connect-timeout"
}

fn-nginx-global-proxy-connect-timeout() {
  declare desc="get the global proxy connect timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --global "proxy-connect-timeout"
}

fn-nginx-proxy-read-timeout() {
  declare desc="get the configured proxy read timeout"
  declare APP="$1"

  fn-get-property --app "$APP" "proxy-read-timeout"
}

fn-nginx-computed-proxy-read-timeout() {
  declare desc="get the computed proxy read timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "proxy-read-timeout"
}

fn-nginx-global-proxy-read-timeout() {
  declare desc="get the global proxy read timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --global "proxy-read-timeout"
}

fn-nginx-proxy-send-timeout() {
  declare desc="get the configured proxy send timeout"
  declare APP="$1"

  fn-get-property --app "$APP" "proxy-send-timeout"
}

fn-nginx-computed-proxy-send-timeout() {
  declare desc="get the computed proxy send timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "proxy-send-timeout"
}

fn-nginx-global-proxy-send-timeout() {
  declare desc="get the global proxy send timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --global "proxy-send-timeout"
}

fn-nginx-send-timeout() {
  declare desc="get the configured send timeout"
  declare APP="$1"

  fn-get-property --app "$APP" "send-timeout"
}

fn-nginx-computed-send-timeout() {
  declare desc="get the computed send timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "send-timeout"
}

fn-nginx-global-send-timeout() {
  declare desc="get the global send timeout"
  declare APP="$1"

  fn-get-property --app "$APP" --global "send-timeout"
}

fn-nginx-underscore-in-headers() {
  declare desc="get the configured underscore in headers value"
  declare APP="$1"

  fn-get-property --app "$APP" "underscore-in-headers"
}

fn-nginx-computed-underscore-in-headers() {
  declare desc="get the computed underscore in headers value"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "underscore-in-headers"
}

fn-nginx-global-underscore-in-headers() {
  declare desc="get the global underscore in headers value"
  declare APP="$1"

  fn-get-property --app "$APP" --global "underscore-in-headers"
}

fn-nginx-x-forwarded-for-value() {
  declare desc="get the configured x-forwarded-for value"
  declare APP="$1"

  fn-get-property --app "$APP" "x-forwarded-for-value"
}

fn-nginx-computed-x-forwarded-for-value() {
  declare desc="get the computed x-forwarded-for value"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "x-forwarded-for-value"
}

fn-nginx-global-x-forwarded-for-value() {
  declare desc="get the global x-forwarded-for value"
  declare APP="$1"

  fn-get-property --app "$APP" --global "x-forwarded-for-value"
}

fn-nginx-x-forwarded-port-value() {
  declare desc="get the configured x-forwarded-port value"
  declare APP="$1"

  fn-get-property --app "$APP" "x-forwarded-port-value"
}

fn-nginx-computed-x-forwarded-port-value() {
  declare desc="get the computed x-forwarded-port value"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "x-forwarded-port-value"
}

fn-nginx-global-x-forwarded-port-value() {
  declare desc="get the global x-forwarded-port value"
  declare APP="$1"

  fn-get-property --app "$APP" --global "x-forwarded-port-value"
}

fn-nginx-x-forwarded-proto-value() {
  declare desc="get the configured x-forwarded-proto value"
  declare APP="$1"

  fn-get-property --app "$APP" "x-forwarded-proto-value"
}

fn-nginx-computed-x-forwarded-proto-value() {
  declare desc="get the computed x-forwarded-proto value"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "x-forwarded-proto-value"
}

fn-nginx-global-x-forwarded-proto-value() {
  declare desc="get the global x-forwarded-proto value"
  declare APP="$1"

  fn-get-property --app "$APP" --global "x-forwarded-proto-value"
}

fn-nginx-x-forwarded-ssl() {
  declare desc="get the configured x-forwarded-ssl value"
  declare APP="$1"

  fn-get-property --app "$APP" "x-forwarded-ssl"
}

fn-nginx-computed-x-forwarded-ssl() {
  declare desc="get the computed x-forwarded-ssl value"
  declare APP="$1"

  fn-get-property --app "$APP" --computed "x-forwarded-ssl"
}

fn-nginx-global-x-forwarded-ssl() {
  declare desc="get the global x-forwarded-ssl value"
  declare APP="$1"

  fn-get-property --app "$APP" --global "x-forwarded-ssl"
}

fn-nginx-vhosts-manage-hsts() {
  declare APP="$1" SSL_ENABLED="$2"
  local HSTS="$(fn-nginx-computed-hsts "$APP")"
  local HSTS_INCLUDE_SUBDOMAINS="$(fn-nginx-computed-hsts-include-subdomains "$APP")"
  local HSTS_MAX_AGE="$(fn-nginx-computed-hsts-max-age "$APP")"
  local HSTS_PRELOAD="$(fn-nginx-computed-hsts-preload "$APP")"
  local NGINX_HSTS_CONF="$DOKKU_ROOT/$APP/nginx.conf.d/hsts.conf"
  local HSTS_TEMPLATE="$PLUGIN_AVAILABLE_PATH/nginx-vhosts/templates/hsts.conf.sigil"
  local NGINX_TEMPLATE_SOURCE="built-in"
  local is_custom_hsts_template=false

  CUSTOM_HSTS_TEMPLATE="$(plugn trigger nginx-app-template-source "$APP" "hsts-config")"
  if [[ -n "$CUSTOM_HSTS_TEMPLATE" ]]; then
    is_custom_hsts_template=true
    NGINX_TEMPLATE_SOURCE="plugin-supplied"
    HSTS_TEMPLATE="$CUSTOM_HSTS_TEMPLATE"
  fi

  if [[ "$HSTS" == "false" ]] || [[ "$SSL_ENABLED" != "true" ]]; then
    rm -rf "$NGINX_HSTS_CONF"
    return
  fi

  dokku_log_verbose_quiet "Enabling HSTS (using $NGINX_TEMPLATE_SOURCE template)"
  local HSTS_HEADERS=""
  if [[ -n "$HSTS_MAX_AGE" ]]; then
    HSTS_HEADERS="max-age=$HSTS_MAX_AGE"
  fi

  if [[ "$HSTS_INCLUDE_SUBDOMAINS" == "true" ]]; then
    HSTS_HEADERS+="; includeSubdomains"
  fi

  if [[ "$HSTS_PRELOAD" == "true" ]]; then
    HSTS_HEADERS+="; preload"
  fi

  mkdir -p "$DOKKU_ROOT/$APP/nginx.conf.d"
  sigil -f "$HSTS_TEMPLATE" HSTS_HEADERS="$HSTS_HEADERS" | cat -s >"$NGINX_HSTS_CONF"
}

fn-nginx-vhosts-uses-openresty() {
  declare desc="returns whether openresty is in use or not"

  if [[ -x /usr/bin/openresty ]]; then
    return
  fi

  return 1
}

fn-nginx-vhosts-nginx-location() {
  declare desc="check that nginx is at the expected location and return it"
  local NGINX_LOCATION

  NGINX_LOCATION=$(command -v nginx 2>/dev/null)
  if [[ -z "$NGINX_LOCATION" ]]; then
    NGINX_LOCATION="/usr/sbin/nginx"
  fi

  if fn-nginx-vhosts-uses-openresty; then
    NGINX_LOCATION="/usr/bin/openresty"
  fi

  if [[ ! -x "$NGINX_LOCATION" ]]; then
    dokku_log_fail "Could not find nginx binary in \$PATH or at '${NGINX_LOCATION}'."
  fi

  echo "$NGINX_LOCATION"
}

fn-nginx-vhosts-nginx-is-running() {
  declare desc="check if nginx is running"
  local NGINX_INIT_NAME

  NGINX_INIT_NAME=nginx
  if fn-nginx-vhosts-uses-openresty; then
    NGINX_INIT_NAME=openresty
  fi

  local systemctl_path=/bin/systemctl
  if [[ -x /usr/bin/systemctl ]]; then
    systemctl_path=/usr/bin/systemctl
  fi

  case "$DOKKU_DISTRO" in
    debian | raspbian)
      if [[ -x "$systemctl_path" ]]; then
        if sudo "$systemctl_path" is-active --quiet "$NGINX_INIT_NAME"; then
          return 0
        fi
      else
        dokku_log_warn "Checking $NGINX_INIT_NAME status is not possible for init.d managed services"
        return 0
      fi
      ;;

    ubuntu)
      # support docker-based installations
      if [[ "$DOKKU_INIT_SYSTEM" == "sv" ]]; then
        if sudo /usr/bin/sv status $NGINX_INIT_NAME | grep -q "^run:"; then
          return 0
        fi
      elif [[ -x "$systemctl_path" ]]; then
        if sudo "$systemctl_path" is-active --quiet "$NGINX_INIT_NAME"; then
          return 0
        fi
      elif [[ -x /usr/bin/sv ]]; then
        if sudo /usr/bin/sv status $NGINX_INIT_NAME | grep -q "^run:"; then
          return 0
        fi
      else
        dokku_log_warn "Checking $NGINX_INIT_NAME status is not possible for init.d managed services"
        return 0
      fi
      ;;

    arch)
      if sudo "$systemctl_path" is-active --quiet "$NGINX_INIT_NAME"; then
        return 0
      fi
      ;;
  esac

  return 1
}

fn-nginx-vhosts-nginx-init-cmd() {
  declare desc="start nginx for given distros"
  declare CMD="$1"

  local NGINX_SERVICE_COMMAND="$(fn-nginx-computed-nginx-service-command "$APP")"
  if [[ -n "$NGINX_SERVICE_COMMAND" ]]; then
    "$NGINX_SERVICE_COMMAND" $CMD
    return
  fi

  local NGINX_INIT_NAME=nginx
  if fn-nginx-vhosts-uses-openresty; then
    NGINX_INIT_NAME=openresty
  fi

  local systemctl_path=/bin/systemctl
  if [[ -x /usr/bin/systemctl ]]; then
    systemctl_path=/usr/bin/systemctl
  fi

  case "$DOKKU_DISTRO" in
    debian | raspbian)
      if [[ -x "$systemctl_path" ]]; then
        sudo "$systemctl_path" "$CMD" "$NGINX_INIT_NAME"
      else
        sudo /usr/sbin/invoke-rc.d "$NGINX_INIT_NAME" "$CMD"
      fi
      ;;

    ubuntu)
      # support docker-based installations
      if [[ "$DOKKU_INIT_SYSTEM" == "sv" ]]; then
        sudo /usr/bin/sv "$CMD" "$NGINX_INIT_NAME"
      elif [[ -x "$systemctl_path" ]]; then
        sudo "$systemctl_path" "$CMD" "$NGINX_INIT_NAME"
      elif [[ -x /usr/bin/sv ]]; then
        sudo /usr/bin/sv "$CMD" "$NGINX_INIT_NAME"
      elif [[ "$CMD" == "enable" ]] || [[ "$CMD" == "disable" ]]; then
        dokku_log_warn "Running $CMD is not possible for init.d managed services"
      else
        sudo "/etc/init.d/$NGINX_INIT_NAME" "$CMD"
      fi
      ;;

    arch)
      sudo "$systemctl_path" "$CMD" "$NGINX_INIT_NAME"
      ;;
  esac
}

fn-get-property() {
  declare desc="get a property from the nginx plugin"

  "$PLUGIN_CORE_AVAILABLE_PATH/nginx-vhosts/nginx-property" "$@"
}

nginx_vhosts_validate_single_func() {
  declare APP="$1" FLAG="$2"
  local NGINX_CONF="$DOKKU_ROOT/$APP/nginx.conf"

  if [[ ! -f "$NGINX_CONF" ]]; then
    dokku_log_warn_quiet "No nginx config found for ${APP}"
    return
  fi

  if nginx_vhosts_is_valid_nginx_config_func "$APP"; then
    return
  fi

  dokku_log_warn "Failed to validate nginx config for ${APP}. Contents below..."
  cat "$NGINX_CONF"

  if [[ "$FLAG" == "--clean" ]]; then
    nginx_vhosts_conf_clean_func "$APP"
  fi
}

nginx_vhosts_is_valid_nginx_config_func() {
  declare desc="checks if an app has a valid nginx config"
  declare APP="$1"
  local VALIDATE_TEMPLATE="$PLUGIN_AVAILABLE_PATH/nginx-vhosts/templates/validate.conf.sigil"
  local TMP_OUTPUT=$(mktemp "/tmp/dokku-${DOKKU_PID}-${FUNCNAME[0]}.XXXXXX")
  trap "rm -rf '$TMP_OUTPUT' >/dev/null" RETURN INT TERM EXIT

  CUSTOM_VALIDATE_TEMPLATE="$(plugn trigger nginx-app-template-source "$APP" "validate-config")"
  if [[ -n "$CUSTOM_VALIDATE_TEMPLATE" ]]; then
    VALIDATE_TEMPLATE="$CUSTOM_VALIDATE_TEMPLATE"
  fi

  sigil -f "$VALIDATE_TEMPLATE" NGINX_CONF="$DOKKU_ROOT/$APP/nginx.conf" | cat -s >"$TMP_OUTPUT"
  sudo "$NGINX_LOCATION" -t -c "$TMP_OUTPUT" 2>/dev/null
}

nginx_vhosts_conf_clean_func() {
  declare APP="$1"
  local NGINX_CONF="$DOKKU_ROOT/$APP/nginx.conf"
  dokku_log_warn "Removing invalid nginx file"
  rm -f "$NGINX_CONF"
}

nginx_clear_config() {
  declare desc="Remove the nginx conf file"
  declare APP="$1"
  rm -f "$DOKKU_ROOT/$APP/nginx.conf"
  suppress_output fn-nginx-vhosts-nginx-init-cmd "reload"
}