雷电芽衣
07f32a48d7
Align response types with the Backend (webhooks, me, health, operation payload, error codes, admin actions), shorten comments, drop section banners. Claude-Session: https://claude.ai/code/session_01Agoc9bRVE9KL7mmWtey9Vq
51 lines
1.3 KiB
TypeScript
51 lines
1.3 KiB
TypeScript
import crypto from 'node:crypto';
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// UUIDv7 (RFC 9562): 48-bit ms timestamp, version 7, variant 10, 74 random bits
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export function uuidv7(): string {
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const now = Date.now();
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const random = crypto.randomBytes(10);
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const bytes = Buffer.alloc(16);
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bytes[0] = (now / 2 ** 40) & 0xff;
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bytes[1] = (now / 2 ** 32) & 0xff;
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bytes[2] = (now / 2 ** 24) & 0xff;
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bytes[3] = (now / 2 ** 16) & 0xff;
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bytes[4] = (now / 2 ** 8) & 0xff;
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bytes[5] = now & 0xff;
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bytes[6] = 0x70 | (random[0]! & 0x0f);
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bytes[7] = random[1]!;
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bytes[8] = 0x80 | (random[2]! & 0x3f);
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bytes[9] = random[3]!;
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bytes[10] = random[4]!;
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bytes[11] = random[5]!;
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bytes[12] = random[6]!;
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bytes[13] = random[7]!;
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bytes[14] = random[8]!;
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bytes[15] = random[9]!;
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const hex = bytes.toString('hex');
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return (
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hex.slice(0, 8) + '-' +
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hex.slice(8, 12) + '-' +
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hex.slice(12, 16) + '-' +
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hex.slice(16, 20) + '-' +
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hex.slice(20, 32)
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);
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}
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export function generateNonce(): string {
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const bytes = crypto.randomBytes(16);
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return base64urlEncode(bytes);
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}
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export function base64urlEncode(data: Buffer | Uint8Array): string {
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const buf = Buffer.isBuffer(data) ? data : Buffer.from(data);
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return buf.toString('base64url');
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}
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export function base64urlDecode(input: string): Buffer {
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return Buffer.from(input, 'base64url');
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}
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