25 lines
567 B
TypeScript
25 lines
567 B
TypeScript
import { createHash, randomBytes } from 'crypto'
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function base64URLEncode(buffer: Buffer): string {
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return buffer
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.toString('base64')
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.replace(/\+/g, '-')
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.replace(/\//g, '_')
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.replace(/=/g, '')
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}
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export function generateCodeVerifier(): string {
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return base64URLEncode(randomBytes(32))
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}
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export function generateCodeChallenge(verifier: string): string {
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const hash = createHash('sha256')
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hash.update(verifier)
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return base64URLEncode(hash.digest())
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}
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export function generateState(): string {
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return base64URLEncode(randomBytes(32))
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}
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