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| 1 | +import { getPurlObject } from '../../utils/purl.mts' |
| 2 | + |
| 3 | +export type DependenciesPurlsResult = |
| 4 | + | { ok: true; purls: string[] | undefined } |
| 5 | + | { ok: false; message: string } |
| 6 | + |
| 7 | +export function parsePurlsOption( |
| 8 | + argv: readonly string[], |
| 9 | + suppliedPurls: unknown, |
| 10 | +): DependenciesPurlsResult { |
| 11 | + const hasPurlsOption = argv.some( |
| 12 | + argument => argument === '--purls' || argument.startsWith('--purls='), |
| 13 | + ) |
| 14 | + if (suppliedPurls === undefined) { |
| 15 | + return hasPurlsOption |
| 16 | + ? parseDependenciesPurls([]) |
| 17 | + : { ok: true, purls: undefined } |
| 18 | + } |
| 19 | + if ( |
| 20 | + !hasPurlsOption && |
| 21 | + Array.isArray(suppliedPurls) && |
| 22 | + suppliedPurls.length === 0 |
| 23 | + ) { |
| 24 | + return { ok: true, purls: undefined } |
| 25 | + } |
| 26 | + if ( |
| 27 | + !Array.isArray(suppliedPurls) || |
| 28 | + !suppliedPurls.every( |
| 29 | + (value: unknown): value is string => typeof value === 'string', |
| 30 | + ) |
| 31 | + ) { |
| 32 | + return { |
| 33 | + ok: false, |
| 34 | + message: 'Provide at least one non-empty PURL with --purls.', |
| 35 | + } |
| 36 | + } |
| 37 | + return parseDependenciesPurls(suppliedPurls) |
| 38 | +} |
| 39 | + |
| 40 | +export function parseDependenciesPurls( |
| 41 | + values: readonly string[] | undefined, |
| 42 | +): DependenciesPurlsResult { |
| 43 | + if (values === undefined) { |
| 44 | + return { ok: true, purls: undefined } |
| 45 | + } |
| 46 | + |
| 47 | + const purls: string[] = [] |
| 48 | + const seen = new Set<string>() |
| 49 | + |
| 50 | + for (const value of values) { |
| 51 | + const purl = value.trim() |
| 52 | + const parsed = |
| 53 | + purl.startsWith('pkg:') && purl.length > 4 |
| 54 | + ? getPurlObject(purl, { throws: false }) |
| 55 | + : undefined |
| 56 | + |
| 57 | + if (!parsed) { |
| 58 | + return { |
| 59 | + ok: false, |
| 60 | + message: `Invalid PURL "${value}". Use a full PURL such as pkg:npm/minimist@1.2.3.`, |
| 61 | + } |
| 62 | + } |
| 63 | + |
| 64 | + if (Object.keys(parsed.qualifiers ?? {}).length > 0 || parsed.subpath) { |
| 65 | + return { |
| 66 | + ok: false, |
| 67 | + message: `PURL "${value}" includes qualifiers or a subpath, which this search does not support. Search by package identity and version only.`, |
| 68 | + } |
| 69 | + } |
| 70 | + |
| 71 | + if (!seen.has(purl)) { |
| 72 | + seen.add(purl) |
| 73 | + purls.push(purl) |
| 74 | + } |
| 75 | + } |
| 76 | + |
| 77 | + if (purls.length === 0) { |
| 78 | + return { |
| 79 | + ok: false, |
| 80 | + message: 'Provide at least one non-empty PURL with --purls.', |
| 81 | + } |
| 82 | + } |
| 83 | + |
| 84 | + return { ok: true, purls } |
| 85 | +} |
| 86 | + |
| 87 | +export function matchesConfirmedPurls( |
| 88 | + requested: readonly string[], |
| 89 | + filters: unknown, |
| 90 | +): boolean { |
| 91 | + if (typeof filters !== 'object' || filters === null) { |
| 92 | + return false |
| 93 | + } |
| 94 | + if (!('valid' in filters) || !('invalid' in filters)) { |
| 95 | + return false |
| 96 | + } |
| 97 | + const { invalid, valid } = filters |
| 98 | + if ( |
| 99 | + !Array.isArray(valid) || |
| 100 | + !valid.every(value => typeof value === 'string') || |
| 101 | + !Array.isArray(invalid) || |
| 102 | + !invalid.every(value => typeof value === 'string') || |
| 103 | + invalid.length > 0 |
| 104 | + ) { |
| 105 | + return false |
| 106 | + } |
| 107 | + const expected = new Set(requested) |
| 108 | + const actual = new Set(valid) |
| 109 | + return ( |
| 110 | + expected.size === requested.length && |
| 111 | + actual.size === valid.length && |
| 112 | + expected.size === actual.size && |
| 113 | + [...expected].every(value => actual.has(value)) |
| 114 | + ) |
| 115 | +} |
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