f13509e12a
- Web stores raw UUID, encrypts when transmitting (consistent with copilot-search) - Desktop receives encrypted Device ID from Web login callback - Desktop stores encrypted 40-char format in auth.json - Update IPC types to include deviceId in auth callback Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
42 lines
1.3 KiB
TypeScript
42 lines
1.3 KiB
TypeScript
/**
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* Device ID management for Multica Web
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* Consistent with copilot-search: stores raw UUID, encrypts when transmitting
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*/
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const DEVICE_ID_KEY = 'MULTICA_DEVICE_ID'
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// SHA-256 hash function (using Web Crypto API)
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async function sha256(text: string): Promise<string> {
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const buffer = new TextEncoder().encode(text)
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const hashBuffer = await crypto.subtle.digest('SHA-256', buffer)
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const hashArray = Array.from(new Uint8Array(hashBuffer))
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return hashArray.map((b) => b.toString(16).padStart(2, '0')).join('')
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}
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/**
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* Get or create Device ID (raw UUID format)
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* Stored in localStorage, encrypted only when transmitting
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*/
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export function getOrCreateDeviceId(): string {
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if (typeof window === 'undefined') return ''
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let deviceId = localStorage.getItem(DEVICE_ID_KEY)
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if (!deviceId) {
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deviceId = crypto.randomUUID()
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localStorage.setItem(DEVICE_ID_KEY, deviceId)
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}
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return deviceId
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}
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/**
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* Generate encrypted Device-Id header value
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* Algorithm (consistent with copilot-search):
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* 1. sha256(uuid).slice(0, 32) = hashedDeviceId
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* 2. sha256(hashedDeviceId).slice(0, 8) + hashedDeviceId = 40 chars
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*/
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export async function generateDeviceIdHeader(deviceId: string): Promise<string> {
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const hashedDeviceId = (await sha256(deviceId)).slice(0, 32)
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return (await sha256(hashedDeviceId)).slice(0, 8) + hashedDeviceId
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}
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