#!/usr/bin/env bash

# Prowler - the handy cloud security tool (copyright 2018) by Toni de la Fuente
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy
# of the License at http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software distributed
# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
# CONDITIONS OF ANY KIND, either express or implied. See the License for the
# specific language governing permissions and limitations under the License.


# Get whoami in AWS, who is the user running this shell script
getWhoami(){
  ACCOUNT_NUM=$($AWSCLI sts get-caller-identity --output text $PROFILE_OPT --region $REGION --query "Account")
  CALLER_ARN=$($AWSCLI sts get-caller-identity --output text $PROFILE_OPT --region $REGION --query "Arn")
  USER_ID=$($AWSCLI sts get-caller-identity --output text $PROFILE_OPT --region $REGION --query "UserId")

  if [[ "$MODE" == "csv" ]]; then
    if [[ 255 -eq $? ]]; then
      # Failed to get own identity ... exit
      echo "ERROR WITH $PROFILE CREDENTIALS - EXITING!"
      >&2 echo "ERROR WITH $PROFILE CREDENTIALS - EXITING!"
      EXITCODE=2
      exit $EXITCODE
    fi
    printCsvHeader
    textTitle "0.0" "Show report generation info" "NOT_SCORED" "SUPPORT"
    textInfo "ARN: $CALLER_ARN  TIMESTAMP: $SCRIPT_START_TIME"
  elif [[ "$MODE" == "json" || "$MODE" == "json-asff" ]]; then
    :
  else
    echo ""
    echo -e " This report is being generated using credentials below:\n"
    echo -e " AWS-CLI Profile: $NOTICE[$PROFILE]$NORMAL AWS API Region: $NOTICE[$REGION]$NORMAL AWS Filter Region: $NOTICE[${FILTERREGION:-all}]$NORMAL"
    if [[ $MONOCHROME -eq 1 ]]; then
      echo -e " AWS Account: $NOTICE[$ACCOUNT_NUM]$NORMAL UserId: $NOTICE[$USER_ID]$NORMAL"
      echo -e " Caller Identity ARN: $NOTICE[$CALLER_ARN]$NORMAL"
      if [[ 255 -eq $? ]]; then
        # Failed to get own identity ... exit
        echo "ERROR WITH $PROFILE CREDENTIALS - EXITING!"
        >&2 echo "ERROR WITH $PROFILE CREDENTIALS - EXITING!"
        exit 2
      fi
    else
      echo -e " AWS Account: $NOTICE[$ACCOUNT_NUM]$NORMAL UserId: $NOTICE[$USER_ID]$NORMAL"
      echo -e " Caller Identity ARN: $NOTICE[$CALLER_ARN]$NORMAL"
      if [[ 255 -eq $? ]]; then
        # Failed to get own identity ... exit
        echo variable $PROFILE_OPT
        echo "ERROR WITH $PROFILE CREDENTIALS - EXITING!"
        >&2 echo "ERROR WITH $PROFILE CREDENTIALS - EXITING!"
        EXITCODE=2
        exit $EXITCODE
      fi
      echo ""
    fi
  fi
}