#!/bin/bash                                                                     
set -eufo pipefail

BRIDGE=/bin/protonmail-bridge
PRINT_INFO=${PRINT_INFO:-""}
SMTP_PORT=${SMTP_PORT:-"1025"}
IMAP_PORT=${IMAP_PORT:-"1143"}

#### INIT
PASS_FILE=${PASS_FILE:-}
if [ -n "$PASS_FILE" ]; then
    echo "Using PASS file."
    PASS=$(cat $PASS_FILE)
fi

if ! [ -f ./initialized ]; then
  gpg --generate-key --batch /tmp/gpgparams
  pass init pass-key
  COMMAND="login\n$EMAIL\n$PASSWORD"
  RUN_2FA_LOGIN=${RUN_2FA_LOGIN:-}
  if [ -n "$RUN_2FA_LOGIN" ]; then
    echo "Using MFA code."
    COMMAND="$COMMAND\n$MFA_CODE"
  fi
  echo "Executing COMMAND: $COMMAND"
  echo -e "$COMMAND" | $BRIDGE --cli
  touch ./initialized
fi

if [ -n "$PRINT_INFO" ]; then
  echo info | $BRIDGE --cli | egrep '(Username|Password)' | sort -ru
fi

# socat will make the conn appear to come from 127.0.0.1
# ProtonMail Bridge currently expects that.
# It also allows us to bind to the real ports :)
socat TCP-LISTEN:$SMTP_PORT,fork TCP:127.0.0.1:1025 &
socat TCP-LISTEN:$IMAP_PORT,fork TCP:127.0.0.1:1143 &

# Fake a terminal, so it does not quit because of EOF...
rm -f faketty
mkfifo faketty
cat faketty | $BRIDGE --cli