Method handle

src/modules/qq.module.ts:6–50

()

class ServiceQQ {
  handle(): RouterMiddleware<'/qq/profile'> {
    return async (ctx) => {
      const qq = await Common.getParam('qq', ctx.request)
      const size = +((await Common.getParam('size', ctx.request)) || 0)

      if (!qq) {
        return Common.requireArguments('qq', ctx.response)
      }

      if (!/^\d{5,11}$/.test(qq)) {
        ctx.response.status = 400
        ctx.response.body = Common.buildJson(null, 400, '无效的 QQ 号码')
        return
      }

      const validSizes = [0, 40, 100, 160, 640]

      if (!validSizes.includes(size)) {
        ctx.response.status = 400
        ctx.response.body = Common.buildJson(null, 400, `无效的 size 参数。必须是以下之一: ${validSizes.join(', ')}`)
        return
      }

      const data = await this.#fetch(qq, size)

      switch (ctx.state.encoding) {
        case 'text':
          ctx.response.body = data.nickname
          break

        case 'markdown':
          ctx.response.body = `# 👤 QQ 用户信息\n\n![${data.nickname}](${data.avatar_url})\n\n**昵称**: ${data.nickname}\n\n**QQ 号**: ${data.qq}\n\n**头像尺寸**: ${data.avatar_size}px`
          break

        case 'image':
          ctx.response.redirect(data.avatar_url)
          break

        case 'json':
        default:
          ctx.response.body = Common.buildJson(data)
          break
      }
    }
  }

  async #fetch(qq: string, size: number): Promise<QQUserInfo> {
    const options = { headers: { 'User-Agent': Common.chromeUA } }