file-share.ts•4.45 kB
import { z } from "zod";
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { getAuthInfo, AuthInfo } from "../utils/auth.js";
import { getConfig, TOOL_LIMIT_NOTE } from "../utils/const.js";
import { gethttpContext } from "../utils/transport.js";
// 调用云盘API生成分享链接
async function shareFiles(authInfo: AuthInfo, paths: string): Promise<any> {
try {
const url = new URL(authInfo.request_url || '');
// 构建请求头
const headers = {
'Access-Token': authInfo.access_token || '',
'Content-Type': 'application/x-www-form-urlencoded'
};
// 构建请求参数（注意：paths不计算sign，所以不包含在baseParams中）
const baseParams: Record<string, string> = {
'method': 'Share.preShare',
'access_token': authInfo.access_token || '',
'qid': authInfo.qid || '',
'sign': authInfo.sign || ''
};
// 构建表单数据
const formData = new URLSearchParams();
Object.entries(baseParams).forEach(([key, value]) => {
formData.append(key, String(value));
});
// 单独添加paths参数（不参与sign计算）
formData.append('paths', paths);
console.error("请求URL:", url.toString());
console.error("请求参数:", Object.fromEntries(formData.entries()));
const response = await fetch(url.toString(), {
method: 'POST',
headers: headers,
body: formData
});
if (!response.ok) {
throw new Error(`API 请求失败，状态码: ${response.status}`);
}
// 获取原始响应文本
const responseText = await response.text();
try {
// 尝试解析为JSON
const data = JSON.parse(responseText);
return data;
} catch (jsonError) {
console.error("JSON解析错误:", jsonError);
throw new Error(`无法解析API响应: ${responseText.substring(0, 100)}...`);
}
} catch (error) {
console.error('生成分享链接失败:', error);
throw error;
}
}
export function registerFileShareTool(server: McpServer) {
server.tool(
"file-share",
"生成云盘文件的分享链接。支持批量生成多个文件的分享链接。",
{
paths: z.string().describe("要分享的文件全路径，多个文件用竖线(|)隔开，例如：/文件1.txt|/文件夹2/文件2.txt"),
},
async ({ paths }, mcpReq: any) => {
const httpContext = gethttpContext(mcpReq, server);
// 使用transport中的authInfo
const transportAuthInfo = httpContext.authInfo;
try {
let authInfo: AuthInfo;
// 注意：paths不计算sign，所以这里不传入extraParams
try {
// 传入方法名，但不传入paths
authInfo = await getAuthInfo({
method: 'Share.preShare'
// 不传入paths作为extraParams，因为它不参与sign计算
}, transportAuthInfo);
authInfo.request_url = getConfig(transportAuthInfo?.ecsEnv).request_url
} catch (authError) {
console.error("自动获取鉴权信息失败:", authError);
throw new Error("获取鉴权信息失败，请提供有效的API_KEY");
}
// 调用API生成分享链接
const apiResponse = await shareFiles(authInfo, paths);
// 检查API响应是否成功
if (apiResponse && apiResponse.errno === 0 && apiResponse.data && apiResponse.data.share) {
const share = apiResponse.data.share;
return {
content: [
{
type: "text",
text: `分享链接生成成功！\n链接: ${share.url}\n提取码: ${share.password || '无'}\n短链: ${share.shorturl}\n二维码: ${share.qrcode}`,
},
{
type: "text",
text: TOOL_LIMIT_NOTE,
},
],
shareInfo: share
};
} else {
const errorMsg = apiResponse?.errmsg || "API请求失败";
throw new Error(errorMsg);
}
} catch (error: any) {
console.error("生成分享链接出错:", error);
return {
content: [
{
type: "text",
text: `生成分享链接时发生错误: ${error.message}`,
},
{
type: "text",
text: TOOL_LIMIT_NOTE,
},
],
};
}
},
);
}