Class EncodePlugin

encode/encode.ts:36–192

  description: string = `编码解码工具插件\n\n${help_text}`;

  cmdHandlers: Record<string, (msg: Api.Message) => Promise<void>> = {
    // 显示帮助信息
    encode: async (msg: Api.Message) => {
      await msg.edit({ text: help_text, parseMode: "html" });
    },

    // Base64 编码
    b64encode: async (msg: Api.Message) => {
      await this.processEncoding(msg, "Base64", "🔐", "encode", {
        encode: (text: string) => Buffer.from(text, 'utf8').toString('base64'),
        decode: () => { throw new Error("不支持的操作"); }
      });
    },

    // Base64 解码
    b64decode: async (msg: Api.Message) => {
      await this.processEncoding(msg, "Base64", "🔐", "decode", {
        encode: () => { throw new Error("不支持的操作"); },
        decode: (text: string) => {
          try {
            const result = Buffer.from(text, 'base64').toString('utf8');
            if (!result || result.includes('\uFFFD')) {
              throw new Error("无效的 Base64 字符串");
            }
            return result;
          } catch {
            throw new Error("无效的 Base64 字符串，请检查输入");
          }
        }
      });
    },

    // URL 编码
    urlencode: async (msg: Api.Message) => {
      await this.processEncoding(msg, "URL", "🌐", "encode", {
        encode: (text: string) => encodeURIComponent(text),
        decode: () => { throw new Error("不支持的操作"); }
      });
    },

    // URL 解码
    urldecode: async (msg: Api.Message) => {
      await this.processEncoding(msg, "URL", "🌐", "decode", {
        encode: () => { throw new Error("不支持的操作"); },
        decode: (text: string) => {
          try {
            return decodeURIComponent(text);
          } catch {
            throw new Error("无效的 URL 编码字符串，请检查输入");
          }
        }
      });
    }
  };

  // 统一的编码处理逻辑
  private async processEncoding(
    msg: Api.Message,