69 lines
1.5 KiB
TypeScript
69 lines
1.5 KiB
TypeScript
import fs from 'node:fs/promises'
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import Debug from 'debug'
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import { v4 as uuidV4 } from 'uuid'
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const debug = Debug('lot-occupancy-system:functions.api')
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const apiKeyPath = 'data/apiKeys.json'
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let apiKeys: Record<string, string> | undefined
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async function loadApiKeys(): Promise<void> {
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try {
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const fileData = await fs.readFile(apiKeyPath, 'utf8')
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apiKeys = JSON.parse(fileData) as Record<string, string>
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} catch (error) {
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debug(error)
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apiKeys = {}
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}
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}
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async function saveApiKeys(): Promise<void> {
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try {
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await fs.writeFile(apiKeyPath, JSON.stringify(apiKeys), 'utf8')
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} catch (error) {
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debug(error)
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}
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}
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function generateApiKey(apiKeyPrefix: string): string {
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return `${apiKeyPrefix}-${uuidV4()}-${Date.now().toString()}`
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}
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export async function regenerateApiKey(userName: string): Promise<void> {
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apiKeys[userName] = generateApiKey(userName)
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await saveApiKeys()
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}
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export async function getApiKey(userName: string): Promise<string> {
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if (apiKeys === undefined) {
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await loadApiKeys()
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}
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if (!Object.hasOwn(apiKeys, userName)) {
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await regenerateApiKey(userName)
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}
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return apiKeys[userName]
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}
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export async function getApiKeyFromUser(user: User): Promise<string> {
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return await getApiKey(user.userName)
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}
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export async function getUserNameFromApiKey(
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apiKey: string
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): Promise<string | undefined> {
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if (apiKeys === undefined) {
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await loadApiKeys()
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}
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for (const [userName, currentApiKey] of Object.entries(apiKeys)) {
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if (apiKey === currentApiKey) {
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return userName
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}
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}
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return undefined
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}
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