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index.js
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index.js
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/**
* IS_CN: 如果为世纪互联版本,请将 0 改为 1
* EXPOSE_PATH:暴露路径,如全盘展示请留空,否则按 '/媒体/音乐' 的格式填写
* ONEDRIVE_REFRESHTOKEN: refresh_token
*/
const IS_CN = 0;
const EXPOSE_PATH = "";
const ONEDRIVE_REFRESHTOKEN = "";
const PASSWD_FILENAME = ".password";
addEventListener('scheduled', event => {
event.waitUntil(fetchAccessToken(event.scheduledTime));
});
addEventListener("fetch", (event) => {
try {
return event.respondWith(handleRequest(event.request));
} catch (e) {
return event.respondWith(new Response("Error thrown " + e.message));
}
});
const OAUTH = {
redirectUri: redirectUri,
refreshToken: ONEDRIVE_REFRESHTOKEN,
clientId: clientId,
clientSecret: clientSecret,
oauthUrl: loginHost + "/common/oauth2/v2.0/",
apiUrl: apiHost + "/v1.0/me/drive/root",
scope: apiHost + "/Files.ReadWrite.All offline_access",
};
async function handleRequest(request) {
let querySplited, requestPath;
let queryString = decodeURIComponent(request.url.split("?")[1]);
if (queryString) querySplited = queryString.split("=");
if (querySplited && querySplited[0] === "file") {
const file = querySplited[1];
const fileName = file.split("/").pop();
if (fileName === PASSWD_FILENAME)
return Response.redirect(
"https://www.baidu.com/s?wd=%E6%80%8E%E6%A0%B7%E7%9B%97%E5%8F%96%E5%AF%86%E7%A0%81",
301
);
requestPath = file.replace("/" + fileName, "");
const url = await fetchFiles(requestPath, fileName);
return Response.redirect(url, 302);
} else {
const { headers } = request;
const contentType = headers.get("content-type");
let body = {};
if (contentType && contentType.includes("form")) {
const formData = await request.formData();
for (let entry of formData.entries()) {
body[entry[0]] = entry[1];
}
}
requestPath = Object.getOwnPropertyNames(body).length ? body["?path"] : "";
const files = await fetchFiles(requestPath, null, body.passwd);
return new Response(files, {
headers: {
"Access-Control-Allow-Origin": "*",
"Cache-Control": "max-age=3600",
"Content-Type": "application/json; charset=utf-8",
},
});
}
}
async function gatherResponse(response) {
const { headers } = response;
const contentType = headers.get("content-type");
if (contentType.includes("application/json")) {
return await response.json();
} else if (contentType.includes("application/text")) {
return await response.text();
} else if (contentType.includes("text/html")) {
return await response.text();
} else {
return await response.text();
}
}
async function cacheFetch(url, options) {
return fetch(new Request(url, options), {
cf: {
cacheTtl: 3600,
cacheEverything: true,
},
});
}
async function getContent(url) {
const response = await cacheFetch(url);
const result = await gatherResponse(response);
return result;
}
async function getContentWithHeaders(url, headers) {
const response = await cacheFetch(url, { headers: headers });
const result = await gatherResponse(response);
return result;
}
async function fetchFormData(url, data) {
const formdata = new FormData();
for (const key in data) {
if (data.hasOwnProperty(key)) {
formdata.append(key, data[key]);
}
}
const requestOptions = {
method: "POST",
body: formdata,
};
const response = await cacheFetch(url, requestOptions);
const result = await gatherResponse(response);
return result;
}
async function fetchAccessToken() {
let refreshToken = OAUTH["refreshToken"];
if (typeof FODI_CACHE !== 'undefined') {
const cache = JSON.parse(await FODI_CACHE.get('token_data'));
if (cache?.refresh_token) {
const passedMilis = Date.now() - cache.save_time;
if (passedMilis / 1000 < cache.expires_in - 600) {
return cache.access_token;
}
if (passedMilis < 6912000000) {
refreshToken = cache.refresh_token;
}
}
}
const url = OAUTH["oauthUrl"] + "token";
const data = {
client_id: OAUTH["clientId"],
client_secret: OAUTH["clientSecret"],
grant_type: "refresh_token",
requested_token_use: "on_behalf_of",
refresh_token: refreshToken,
};
const result = await fetchFormData(url, data);
if (typeof FODI_CACHE !== 'undefined' && result?.refresh_token) {
result.save_time = Date.now();
await FODI_CACHE.put('token_data', JSON.stringify(result));
}
return result.access_token;
}
async function fetchFiles(path, fileName, passwd) {
if (path === "/") path = "";
if (path || EXPOSE_PATH) path = ":" + EXPOSE_PATH + path;
const accessToken = await fetchAccessToken();
const uri =
OAUTH.apiUrl +
encodeURI(path) +
"?expand=children(select=name,size,parentReference,lastModifiedDateTime,@microsoft.graph.downloadUrl)";
const body = await getContentWithHeaders(uri, {
Authorization: "Bearer " + accessToken,
});
if (fileName) {
let thisFile = null;
body.children.forEach((file) => {
if (file.name === decodeURIComponent(fileName)) {
thisFile = file["@microsoft.graph.downloadUrl"];
return;
}
});
return thisFile;
} else {
let files = [];
let encrypted = false;
for (let i = 0; i < body.children.length; i++) {
const file = body.children[i];
if (file.name === PASSWD_FILENAME) {
const PASSWD = await getContent(file["@microsoft.graph.downloadUrl"]);
if (PASSWD !== passwd) {
encrypted = true;
break;
} else {
continue;
}
}
files.push({
name: file.name,
size: file.size,
time: file.lastModifiedDateTime,
url: file["@microsoft.graph.downloadUrl"],
});
}
let parent = body.children.length
? body.children[0].parentReference.path
: body.parentReference.path;
parent = parent.split(":").pop().replace(EXPOSE_PATH, "") || "/";
parent = decodeURIComponent(parent);
if (encrypted) {
return JSON.stringify({ parent: parent, files: [], encrypted: true });
} else {
return JSON.stringify({ parent: parent, files: files });
}
}
}