439 lines
13 KiB
TypeScript
439 lines
13 KiB
TypeScript
import * as core from '@actions/core'
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import * as dependencyGraph from './dependency-graph'
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import * as github from '@actions/github'
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import styles from 'ansi-styles'
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import {RequestError} from '@octokit/request-error'
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import {
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Change,
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Severity,
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Changes,
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ConfigurationOptions,
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Scorecard
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} from './schemas'
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import {readConfig} from '../src/config'
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import {
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filterChangesBySeverity,
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filterChangesByScopes,
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filterAllowedAdvisories
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} from '../src/filter'
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import {getInvalidLicenseChanges} from './licenses'
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import {getScorecardLevels} from './scorecard'
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import * as summary from './summary'
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import {getRefs} from './git-refs'
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import {groupDependenciesByManifest} from './utils'
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import {commentPr, MAX_COMMENT_LENGTH} from './comment-pr'
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import {getDeniedChanges} from './deny'
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async function delay(ms: number): Promise<void> {
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return new Promise(resolve => setTimeout(resolve, ms))
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}
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async function getComparison(
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baseRef: string,
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headRef: string,
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retryOpts?: {
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retryUntil: number
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retryDelay: number
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}
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): ReturnType<typeof dependencyGraph.compare> {
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const comparison = await dependencyGraph.compare({
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owner: github.context.repo.owner,
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repo: github.context.repo.repo,
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baseRef,
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headRef
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})
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if (comparison.snapshot_warnings.trim() !== '') {
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core.info(comparison.snapshot_warnings)
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if (retryOpts !== undefined) {
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if (retryOpts.retryUntil < Date.now()) {
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core.info(`Retry timeout exceeded. Proceeding...`)
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return comparison
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} else {
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core.info(`Retrying in ${retryOpts.retryDelay} seconds...`)
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await delay(retryOpts.retryDelay * 1000)
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return getComparison(baseRef, headRef, retryOpts)
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}
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}
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}
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return comparison
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}
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async function run(): Promise<void> {
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try {
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const config = await readConfig()
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const refs = getRefs(config, github.context)
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const comparison = await getComparison(
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refs.base,
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refs.head,
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config.retry_on_snapshot_warnings
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? {
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retryUntil:
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Date.now() + config.retry_on_snapshot_warnings_timeout * 1000,
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retryDelay: 10
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}
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: undefined
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)
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const changes = comparison.changes
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const snapshot_warnings = comparison.snapshot_warnings
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if (!changes) {
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core.info('No Dependency Changes found. Skipping Dependency Review.')
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return
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}
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const scopedChanges = filterChangesByScopes(config.fail_on_scopes, changes)
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const filteredChanges = filterAllowedAdvisories(
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config.allow_ghsas,
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scopedChanges
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)
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const failOnSeverityParams = config.fail_on_severity
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const warnOnly = config.warn_only
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let minSeverity: Severity = 'low'
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// If failOnSeverityParams is not set or warnOnly is true, the minSeverity is low, to allow all vulnerabilities to be reported as warnings
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if (failOnSeverityParams && !warnOnly) {
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minSeverity = failOnSeverityParams
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}
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const vulnerableChanges = filterChangesBySeverity(
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minSeverity,
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filteredChanges
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)
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const invalidLicenseChanges = await getInvalidLicenseChanges(
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filteredChanges,
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{
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allow: config.allow_licenses,
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deny: config.deny_licenses,
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licenseExclusions: config.allow_dependencies_licenses
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}
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)
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core.debug(`Filtered Changes: ${JSON.stringify(filteredChanges)}`)
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core.debug(`Config Deny Packages: ${JSON.stringify(config)}`)
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const deniedChanges = await getDeniedChanges(
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filteredChanges,
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config.deny_packages,
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config.deny_groups
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)
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// generate informational scorecard entries for all added changes in the PR
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const scorecardChanges = getScorecardChanges(changes)
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const scorecard = await getScorecardLevels(scorecardChanges)
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const minSummary = summary.addSummaryToSummary(
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vulnerableChanges,
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invalidLicenseChanges,
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deniedChanges,
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scorecard,
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config
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)
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if (snapshot_warnings) {
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summary.addSnapshotWarnings(config, snapshot_warnings)
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}
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let issueFound = false
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if (config.vulnerability_check) {
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core.setOutput('vulnerable-changes', JSON.stringify(vulnerableChanges))
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summary.addChangeVulnerabilitiesToSummary(vulnerableChanges, minSeverity)
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issueFound ||= printVulnerabilitiesBlock(
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vulnerableChanges,
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minSeverity,
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warnOnly
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)
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}
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if (config.license_check) {
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core.setOutput(
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'invalid-license-changes',
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JSON.stringify(invalidLicenseChanges)
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)
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summary.addLicensesToSummary(invalidLicenseChanges, config)
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issueFound ||= printLicensesBlock(invalidLicenseChanges, warnOnly)
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}
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if (config.deny_packages || config.deny_groups) {
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core.setOutput('denied-changes', JSON.stringify(deniedChanges))
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summary.addDeniedToSummary(deniedChanges)
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issueFound ||= printDeniedDependencies(deniedChanges, config)
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}
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if (config.show_openssf_scorecard) {
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summary.addScorecardToSummary(scorecard, config)
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printScorecardBlock(scorecard, config)
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createScorecardWarnings(scorecard, config)
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}
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core.setOutput('dependency-changes', JSON.stringify(changes))
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summary.addScannedFiles(changes)
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printScannedDependencies(changes)
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// include full summary in output; Actions will truncate if oversized
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let rendered = core.summary.stringify()
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core.setOutput('comment-content', rendered)
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// if the summary is oversized, replace with minimal version
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if (rendered.length >= MAX_COMMENT_LENGTH) {
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core.debug(
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'The comment was too big for the GitHub API. Falling back on a minimum comment'
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)
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rendered = minSummary
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}
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// update the PR comment if needed with the right-sized summary
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await commentPr(rendered, config, issueFound)
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} catch (error) {
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if (error instanceof RequestError && error.status === 404) {
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core.setFailed(
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`Dependency review could not obtain dependency data for the specified owner, repository, or revision range.`
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)
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} else if (error instanceof RequestError && error.status === 403) {
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core.setFailed(
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`Dependency review is not supported on this repository. Please ensure that Dependency graph is enabled along with GitHub Advanced Security on private repositories, see https://github.com/${github.context.repo.owner}/${github.context.repo.repo}/settings/security_analysis`
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)
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} else {
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if (error instanceof Error) {
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core.setFailed(error.message)
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} else {
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core.setFailed('Unexpected fatal error')
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}
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}
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} finally {
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await core.summary.write()
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}
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}
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function printVulnerabilitiesBlock(
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addedChanges: Changes,
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minSeverity: Severity,
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warnOnly: boolean
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): boolean {
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let vulFound = false
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core.group('Vulnerabilities', async () => {
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for (const change of addedChanges) {
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vulFound ||= printChangeVulnerabilities(change)
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}
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if (vulFound) {
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const msg = 'Dependency review detected vulnerable packages.'
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if (warnOnly) {
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core.warning(msg)
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} else {
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core.setFailed(msg)
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}
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} else {
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core.info(
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`Dependency review did not detect any vulnerable packages with severity level "${minSeverity}" or higher.`
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)
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}
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})
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return vulFound
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}
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function printChangeVulnerabilities(change: Change): boolean {
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for (const vuln of change.vulnerabilities) {
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core.info(
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`${styles.bold.open}${change.manifest} » ${change.name}@${
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change.version
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}${styles.bold.close} – ${vuln.advisory_summary} ${renderSeverity(
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vuln.severity
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)}`
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)
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core.info(` ↪ ${vuln.advisory_url}`)
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}
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return change.vulnerabilities.length > 0
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}
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function printLicensesBlock(
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invalidLicenseChanges: Record<string, Changes>,
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warnOnly: boolean
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): boolean {
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let issueFound = false
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core.group('Licenses', async () => {
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if (invalidLicenseChanges.forbidden.length > 0) {
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issueFound = true
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core.info('\nThe following dependencies have incompatible licenses:')
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printLicensesError(invalidLicenseChanges.forbidden)
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const msg = 'Dependency review detected incompatible licenses.'
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if (warnOnly) {
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core.warning(msg)
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} else {
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core.setFailed(msg)
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}
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}
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if (invalidLicenseChanges.unresolved.length > 0) {
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issueFound = true
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core.warning(
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'\nThe validity of the licenses of the dependencies below could not be determined. Ensure that they are valid SPDX licenses:'
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)
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printLicensesError(invalidLicenseChanges.unresolved)
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core.setFailed(
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'Dependency review could not detect the validity of all licenses.'
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)
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}
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printNullLicenses(invalidLicenseChanges.unlicensed)
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})
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return issueFound
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}
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function printLicensesError(changes: Changes): void {
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for (const change of changes) {
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core.info(
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`${styles.bold.open}${change.manifest} » ${change.name}@${change.version}${styles.bold.close} – License: ${styles.color.red.open}${change.license}${styles.color.red.close}`
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)
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}
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}
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function printNullLicenses(changes: Changes): void {
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if (changes.length === 0) {
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return
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}
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core.info('\nWe could not detect a license for the following dependencies:')
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for (const change of changes) {
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core.info(
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`${styles.bold.open}${change.manifest} » ${change.name}@${change.version}${styles.bold.close}`
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)
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}
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}
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function printScorecardBlock(
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scorecard: Scorecard,
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config: ConfigurationOptions
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): void {
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core.group('Scorecard', async () => {
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if (scorecard) {
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for (const dependency of scorecard.dependencies) {
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if (
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dependency.scorecard?.score &&
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dependency.scorecard?.score < config.warn_on_openssf_scorecard_level
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) {
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core.info(
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`${styles.color.red.open}${dependency.change.ecosystem}/${dependency.change.name}: OpenSSF Scorecard Score: ${dependency?.scorecard?.score}${styles.red.close}`
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)
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}
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core.info(
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`${dependency.change.ecosystem}/${dependency.change.name}: OpenSSF Scorecard Score: ${dependency?.scorecard?.score}`
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)
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}
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}
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})
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}
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function renderSeverity(
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severity: 'critical' | 'high' | 'moderate' | 'low'
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): string {
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const color = (
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{
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critical: 'red',
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high: 'red',
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moderate: 'yellow',
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low: 'grey'
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} as const
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)[severity]
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return `${styles.color[color].open}(${severity} severity)${styles.color[color].close}`
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}
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function renderScannedDependency(change: Change): string {
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const changeType: string = change.change_type
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if (changeType !== 'added' && changeType !== 'removed') {
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throw new Error(`Unexpected change type: ${changeType}`)
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}
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const color = (
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{
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added: 'green',
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removed: 'red'
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} as const
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)[changeType]
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const icon = (
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{
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added: '+',
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removed: '-'
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} as const
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)[changeType]
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return `${styles.color[color].open}${icon} ${change.name}@${change.version}${styles.color[color].close}`
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}
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function printScannedDependencies(changes: Changes): void {
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core.group('Dependency Changes', async () => {
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const dependencies = groupDependenciesByManifest(changes)
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for (const manifestName of dependencies.keys()) {
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const manifestChanges = dependencies.get(manifestName) || []
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core.info(`File: ${styles.bold.open}${manifestName}${styles.bold.close}`)
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for (const change of manifestChanges) {
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core.info(`${renderScannedDependency(change)}`)
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}
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}
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})
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}
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function printDeniedDependencies(
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changes: Changes,
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config: ConfigurationOptions
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): boolean {
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let issueFound = false
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core.group('Denied', async () => {
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for (const denied of config.deny_packages) {
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core.info(`Config: ${denied}`)
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}
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for (const change of changes) {
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core.info(`Change: ${change.name}@${change.version} is denied`)
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core.info(`Change: ${change.package_url} is denied`)
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}
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if (changes.length > 0) {
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issueFound = true
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core.setFailed('Dependency review detected denied packages.')
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} else {
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core.info('Dependency review did not detect any denied packages')
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}
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})
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return issueFound
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}
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function getScorecardChanges(changes: Changes): Changes {
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const out: Changes = []
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for (const change of changes) {
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if (change.change_type === 'added') {
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out.push(change)
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}
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}
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return out
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}
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async function createScorecardWarnings(
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scorecards: Scorecard,
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config: ConfigurationOptions
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): Promise<void> {
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// Iterate through the list of scorecards, and if the score is less than the threshold, send a warning
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for (const dependency of scorecards.dependencies) {
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if (
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dependency.scorecard?.score &&
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dependency.scorecard?.score < config.warn_on_openssf_scorecard_level
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) {
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core.warning(
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`${dependency.change.ecosystem}/${dependency.change.name} has an OpenSSF Scorecard of ${dependency.scorecard?.score}, which is less than this repository's threshold of ${config.warn_on_openssf_scorecard_level}.`,
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{
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title: 'OpenSSF Scorecard Warning'
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}
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)
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}
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}
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}
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run()
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