#!/usr/bin/env bash

# Prowler - the handy cloud security tool (copyright 2019) 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.

CHECK_ID_extra7174="7.174"
CHECK_TITLE_extra7174="[extra7174] CodeBuild Project last invoked greater than 90 days"
CHECK_SCORED_extra7174="NOT_SCORED"
CHECK_CIS_LEVEL_extra7174="EXTRA"
CHECK_SEVERITY_extra7174="High"
CHECK_ASFF_TYPE_extra7174="AwsCodebuildProject"
CHECK_ALTERNATE_check7174="extra7174"
CHECK_SERVICENAME_extra7174="codebuild"
CHECK_RISK_extra7174='Older CodeBuild projects can be checked to see if they are currently in use'
CHECK_REMEDIATION_extra7174='Check if CodeBuild project are really in use and remove the stale ones'
CHECK_DOC_extra7174='https://docs.aws.amazon.com/codebuild/latest/userguide/delete-project.html'
CHECK_CAF_EPIC_extra7174='Infrastructure Security'

extra7174(){
    # "Looking for all build projects with last build invocation greater then 90 days in all regions"
    for regx in ${REGIONS}; do
        LIST_OF_PROJECTS=$("${AWSCLI}" codebuild list-projects ${PROFILE_OPT} --region "${regx}" --query 'projects[*]' --output text 2>&1)
        if grep -q -E 'AccessDenied|UnauthorizedOperation|AuthorizationError' <<< "${LIST_OF_PROJECTS}"; then
            textInfo "${regx}: Access Denied trying to list Codebuild projects" "${regx}"
            continue
        fi
        if [[ "${LIST_OF_PROJECTS}" ]]; then
            for project in ${LIST_OF_PROJECTS}; do
                project_id=$("${AWSCLI}" codebuild list-builds-for-project ${PROFILE_OPT} --project-name "${project}" --query 'ids[0]' --region "${regx}" --output text | head -n 1 2>&1)
                if grep -q -E 'AccessDenied|UnauthorizedOperation|AuthorizationError' <<< "${project_id}"; then
                    textInfo "${regx}: Access Denied trying to fetch Id for Codebuild project" "${regx}" "${project}"
                    continue
                elif grep -q -E 'None' <<< "${project_id}"; then
                    textInfo "${regx}: Codebuild project ${project} has been never build" "${regx}" "${project}"
                    continue
                fi
                last_invoked_time=$("${AWSCLI}" codebuild batch-get-builds ${PROFILE_OPT} --ids "${project_id}" --region "${regx}" --query 'builds[0].endTime' --output text 2>&1)
                if grep -q -E 'AccessDenied|UnauthorizedOperation|AuthorizationError' <<< "${last_invoked_time}"; then
                    textInfo "${regx}: Access Denied trying to get build details for Codebuild project ID" "${regx}" "${project}"
                elif grep -q -E 'None' <<< "${last_invoked_time}"; then
                    textInfo "${regx}: Codebuild project ${project} has been never build" "${regx}" "${project}"
                else
                    HOWOLDER=$(how_older_from_today "${last_invoked_time}")
                    if [ "${HOWOLDER}" -ge 90 ]; then
                        textFail "${regx}: CodeBuild project ${project} was last invoked greater then 90 days" "${regx}" "${project}"
                    else
                        textPass "${regx}: Codebuild project ${project} was last invoked in the past 90 days" "${regx}" "${project}"
                    fi
                fi
            done
        else
            textInfo "${regx}: No CodeBuild Projects found" "${regx}"
        fi
    done
}