Method handleSearch

soutu/soutu.ts:72–130

(msg: Api.Message)

    if (!msg.replyTo) {
      await msg.edit({ text: "❌ <b>错误:</b> 请回复一张图片后使用此命令", parseMode: "html" });
      return;
    }

    const replied = await safeGetReplyMessage(msg);
    if (!replied?.photo) {
      await msg.edit({ text: "❌ <b>错误:</b> 回复的消息不包含图片", parseMode: "html" });
      return;
    }

    await msg.edit({ text: "⏳ 正在下载并上传图片...", parseMode: "html" });
    
    try {
      const buffer = await replied.downloadMedia();
      if (!Buffer.isBuffer(buffer) || buffer.length === 0) {
        await msg.edit({ text: "❌ <b>错误:</b> 图片下载失败或为空", parseMode: "html" });
        return;
      }

      // 从 oxost.ts 借鉴的图片类型检测和文件名生成逻辑
      let filename = "photo.jpg";
      const head = buffer.slice(0, 8).toString('hex').toLowerCase();
      if (head.startsWith('ffd8ff')) filename = "photo.jpg";
      else if (head.startsWith('89504e47')) filename = "photo.png";
      else if (head.startsWith('47494638')) filename = "photo.gif";
      else if (head.startsWith('52494646')) filename = "photo.webp";

      const form = new globalThis.FormData();
      form.append("file", new Blob([new Uint8Array(buffer)]), filename);

      const response = await axios.post("https://0x0.st", form, {
        headers: { 'User-Agent': 'curl/8.0.1' },
        timeout: 60000,
      });

      const imageUrl = response.data?.toString().trim();
      if (!imageUrl || !imageUrl.startsWith("https://0x0.st/")) {
        throw new Error("从 0x0.st 获取URL失败");
      }

      const googleUrl = `https://lens.google.com/uploadbyurl?url=${encodeURIComponent(imageUrl)}`;
      const yandexUrl = `https://yandex.ru/images/search?url=${encodeURIComponent(imageUrl)}&rpt=imageview`;

      const responseText = `🖼️ <b>搜图结果:</b> (<a href="${htmlEscape(imageUrl)}">原图</a>)
有效期限: 约30天

• <a href="${htmlEscape(googleUrl)}">Google Lens</a>
• <a href="${htmlEscape(yandexUrl)}">Yandex Images</a>`;

      await msg.edit({ text: responseText, parseMode: "html" });

    } catch (error: any) {
      console.error("[soutu] 处理图片失败:", error);
      const errorText = `❌ 搜图失败: ${htmlEscape(error.message)}`;
      await msg.edit({ text: errorText, parseMode: "html" });
    }
  }
}