#!/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_extra7175="7.175"
CHECK_TITLE_extra7175="[extra7175] CodeBuild Project with an user controlled buildspec"
CHECK_SCORED_extra7175="NOT_SCORED"
CHECK_CIS_LEVEL_extra7175="EXTRA"
CHECK_SEVERITY_extra7175="High"
CHECK_ASFF_TYPE_extra7175="AwsCodebuildProject"
CHECK_ALTERNATE_check7175="extra7175"
CHECK_SERVICENAME_extra7175="codebuild"
CHECK_RISK_extra7175='The CodeBuild projects with user controlled buildspec'
CHECK_REMEDIATION_extra7175='Use buildspec.yml from a trusted source which user cant interfere with'
CHECK_DOC_extra7175='https://docs.aws.amazon.com/codebuild/latest/userguide/security.html'
CHECK_CAF_EPIC_extra7175='Infrastructure Security'

extra7175(){
    # "Looking for all build projects with user controlled buildspec files"
    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 ${LIST_OF_PROJECTS}; do
                buildspec_file=$("${AWSCLI}" codebuild batch-get-projects ${PROFILE_OPT} --name "${project}" --query 'projects[0].source.buildspec' --region "${regx}" --output text 2>&1)
                if grep -q -E 'AccessDenied|UnauthorizedOperation|AuthorizationError' <<< "${buildspec_file}"; then
                    textInfo "${regx}: Access Denied trying to fetch Id for Codebuild project" "${regx}" "${project}"
                    continue
                fi
                if [[ $buildspec_file == *.yml ]];then
                    textFail "${regx}: Codebuild project ${project} uses a user controlled buildspec" "${regx}" "${project}"
                else
                    textPass "${regx}: Codebuild project ${project} not uses a user controlled buildspec" "${regx}" "${project}"
                fi
            done
        else
            textInfo "${regx}: No CodeBuild Projects found" "${regx}"
        fi
    done
}