feat: build licensed desktop image processor

electron/main/server-api.ts

@@ -0,0 +1,102 @@
+import { app, net } from 'electron'
+import type {
+  LicenseSession,
+  VersionInfo,
+} from '../../src/shared/types'
+import { buildDesktopRequestHeaders } from './server-api-headers'
+
+interface ApiResult<T> {
+  code: string
+  msg: string
+  data: T
+}
+
+export interface DevicePayload {
+  deviceId: string
+  deviceName: string
+  osName: string
+  osVersion: string
+  appVersion: string
+}
+
+export class ServerApiError extends Error {
+  constructor(
+    public readonly code: string,
+    message: string,
+  ) {
+    super(message)
+    this.name = 'ServerApiError'
+  }
+}
+
+const DEFAULT_API_BASE_URL = 'https://apimall.v2.jxxyk.com/api'
+
+export class DesktopServerApi {
+  private readonly baseUrl: string
+
+  constructor(baseUrl = process.env.IMAGE_TOOL_API_BASE_URL || DEFAULT_API_BASE_URL) {
+    this.baseUrl = this.validateBaseUrl(baseUrl)
+  }
+
+  activate(activationCode: string, device: DevicePayload): Promise<LicenseSession> {
+    return this.post<LicenseSession>('/desktop/activate', {
+      activationCode,
+      ...device,
+    })
+  }
+
+  login(token: string, device: DevicePayload): Promise<LicenseSession> {
+    return this.post<LicenseSession>('/desktop/login', {
+      token,
+      ...device,
+    })
+  }
+
+  checkVersion(currentVersion: string): Promise<VersionInfo> {
+    return this.post<VersionInfo>('/desktop/version/check', {
+      currentVersion,
+      platform: 'windows',
+    })
+  }
+
+  private async post<T>(pathname: string, body: unknown): Promise<T> {
+    const controller = new AbortController()
+    const timeout = setTimeout(() => controller.abort(), 15_000)
+    try {
+      const response = await net.fetch(`${this.baseUrl}${pathname}`, {
+        method: 'POST',
+        headers: buildDesktopRequestHeaders(app.getVersion()),
+        body: JSON.stringify(body),
+        signal: controller.signal,
+      })
+      if (!response.ok) {
+        throw new ServerApiError(String(response.status), `授权服务暂时不可用（${response.status}）`)
+      }
+      const result = (await response.json()) as ApiResult<T>
+      if (result.code !== '0') {
+        throw new ServerApiError(result.code, result.msg || '授权校验失败')
+      }
+      return result.data
+    } catch (error) {
+      if (error instanceof ServerApiError) {
+        throw error
+      }
+      if (error instanceof Error && error.name === 'AbortError') {
+        throw new ServerApiError('NETWORK_TIMEOUT', '连接授权服务超时，请检查网络后重试')
+      }
+      throw new ServerApiError('NETWORK_ERROR', '无法连接授权服务，请检查网络后重试')
+    } finally {
+      clearTimeout(timeout)
+    }
+  }
+
+  private validateBaseUrl(value: string): string {
+    const url = new URL(value.trim())
+    const localDevelopment = url.protocol === 'http:'
+      && ['127.0.0.1', 'localhost'].includes(url.hostname)
+    if (url.protocol !== 'https:' && !(localDevelopment && !app.isPackaged)) {
+      throw new Error('生产授权服务必须使用 HTTPS')
+    }
+    return url.toString().replace(/\/$/, '')
+  }
+}