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fix(certificates): improve ASN.1 time parsing and handle edge cases

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- Added TypeScript ignore directive to suppress type checking in the utility file.
- Refactored the time parsing logic to use Number.parseInt for better clarity.
- Adjusted the flow to throw an error for invalid ASN.1 time formats, ensuring robustness in certificate expiration date extraction.
This commit is contained in:
Mauricio Siu
2025-06-21 21:08:49 -06:00
parent d97461d820
commit cad17e0f7f
1 changed files with 8 additions and 4 deletions
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12
apps/dokploy/components/dashboard/settings/certificates/utils.ts
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@@ -1,3 +1,5 @@
// @ts-nocheck
export const extractExpirationDate = (certData: string): Date | null => { export const extractExpirationDate = (certData: string): Date | null => {
try { try {
// Decode PEM base64 to DER binary // Decode PEM base64 to DER binary
@@ -12,11 +14,13 @@ export const extractExpirationDate = (certData: string): Date | null => {
// Helper: read ASN.1 length field // Helper: read ASN.1 length field
function readLength(pos: number): { length: number; offset: number } { function readLength(pos: number): { length: number; offset: number } {
// biome-ignore lint/style/noParameterAssign: <explanation>
let len = der[pos++]; let len = der[pos++];
if (len & 0x80) { if (len & 0x80) {
const bytes = len & 0x7f; const bytes = len & 0x7f;
len = 0; len = 0;
for (let i = 0; i < bytes; i++) { for (let i = 0; i < bytes; i++) {
// biome-ignore lint/style/noParameterAssign: <explanation>
len = (len << 8) + der[pos++]; len = (len << 8) + der[pos++];
} }
} }
@@ -68,19 +72,19 @@ export const extractExpirationDate = (certData: string): Date | null => {
function parseTime(str: string): Date { function parseTime(str: string): Date {
if (str.length === 13) { if (str.length === 13) {
// UTCTime YYMMDDhhmmssZ // UTCTime YYMMDDhhmmssZ
const year = parseInt(str.slice(0, 2), 10); const year = Number.parseInt(str.slice(0, 2), 10);
const fullYear = year < 50 ? 2000 + year : 1900 + year; const fullYear = year < 50 ? 2000 + year : 1900 + year;
return new Date( return new Date(
`${fullYear}-${str.slice(2, 4)}-${str.slice(4, 6)}T${str.slice(6, 8)}:${str.slice(8, 10)}:${str.slice(10, 12)}Z`, `${fullYear}-${str.slice(2, 4)}-${str.slice(4, 6)}T${str.slice(6, 8)}:${str.slice(8, 10)}:${str.slice(10, 12)}Z`,
); );
} else if (str.length === 15) { }
if (str.length === 15) {
// GeneralizedTime YYYYMMDDhhmmssZ // GeneralizedTime YYYYMMDDhhmmssZ
return new Date( return new Date(
`${str.slice(0, 4)}-${str.slice(4, 6)}-${str.slice(6, 8)}T${str.slice(8, 10)}:${str.slice(10, 12)}:${str.slice(12, 14)}Z`, `${str.slice(0, 4)}-${str.slice(4, 6)}-${str.slice(6, 8)}T${str.slice(8, 10)}:${str.slice(10, 12)}:${str.slice(12, 14)}Z`,
); );
} else {
throw new Error("Invalid ASN.1 time format");
} }
throw new Error("Invalid ASN.1 time format");
} }
return parseTime(notAfterStr); return parseTime(notAfterStr);