mirror of
https://github.com/therealaleph/MasterHttpRelayVPN-RUST.git
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therealaleph
62a75093ec
Two reasons to pin a copy in the repo: 1. Users on networks where raw.githubusercontent.com is intermittent can still get the deploy-ready file via a repo ZIP / clone. 2. The Apps Script relay protocol between mhrv-rs and Code.gs is informal — upstream changes can silently break us. Keeping a snapshot lets future-us diff against what we tested against when diagnosing protocol-drift bugs. Fetched verbatim from: https://raw.githubusercontent.com/masterking32/MasterHttpRelayVPN/refs/heads/python_testing/apps_script/Code.gs Credit stays with @masterking32. The assets/apps_script/README.md next to it calls out that we don't modify this file — users deploy it as-is into their own Google Apps Script project. Updated the Setup Guide link in both the English and Persian sections so offline / restricted-network users have a fallback path.
142 lines
3.8 KiB
JavaScript
142 lines
3.8 KiB
JavaScript
/**
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* DomainFront Relay — Google Apps Script
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*
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* TWO modes:
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* 1. Single: POST { k, m, u, h, b, ct, r } → { s, h, b }
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* 2. Batch: POST { k, q: [{m,u,h,b,ct,r}, ...] } → { q: [{s,h,b}, ...] }
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* Uses UrlFetchApp.fetchAll() — all URLs fetched IN PARALLEL.
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*
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* DEPLOYMENT:
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* 1. Go to https://script.google.com → New project
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* 2. Delete the default code, paste THIS entire file
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* 3. Click Deploy → New deployment
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* 4. Type: Web app | Execute as: Me | Who has access: Anyone
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* 5. Copy the Deployment ID into config.json as "script_id"
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*
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* CHANGE THE AUTH KEY BELOW TO YOUR OWN SECRET!
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*/
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const AUTH_KEY = "CHANGE_ME_TO_A_STRONG_SECRET";
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// Keep browser capability headers (sec-ch-ua*, sec-fetch-*) intact.
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// Some modern apps, notably Google Meet, use them for browser gating.
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const SKIP_HEADERS = {
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host: 1, connection: 1, "content-length": 1,
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"transfer-encoding": 1, "proxy-connection": 1, "proxy-authorization": 1,
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"priority": 1, te: 1,
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};
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function doPost(e) {
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try {
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var req = JSON.parse(e.postData.contents);
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if (req.k !== AUTH_KEY) return _json({ e: "unauthorized" });
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// Batch mode: { k, q: [...] }
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if (Array.isArray(req.q)) return _doBatch(req.q);
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// Single mode
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return _doSingle(req);
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} catch (err) {
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return _json({ e: String(err) });
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}
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}
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function _doSingle(req) {
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if (!req.u || typeof req.u !== "string" || !req.u.match(/^https?:\/\//i)) {
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return _json({ e: "bad url" });
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}
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var opts = _buildOpts(req);
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var resp = UrlFetchApp.fetch(req.u, opts);
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return _json({
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s: resp.getResponseCode(),
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h: _respHeaders(resp),
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b: Utilities.base64Encode(resp.getContent()),
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});
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}
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function _doBatch(items) {
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var fetchArgs = [];
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var errorMap = {};
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for (var i = 0; i < items.length; i++) {
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var item = items[i];
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if (!item.u || typeof item.u !== "string" || !item.u.match(/^https?:\/\//i)) {
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errorMap[i] = "bad url";
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continue;
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}
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var opts = _buildOpts(item);
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opts.url = item.u;
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fetchArgs.push({ _i: i, _o: opts });
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}
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// fetchAll() processes all requests in parallel inside Google
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var responses = [];
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if (fetchArgs.length > 0) {
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responses = UrlFetchApp.fetchAll(fetchArgs.map(function(x) { return x._o; }));
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}
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var results = [];
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var rIdx = 0;
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for (var i = 0; i < items.length; i++) {
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if (errorMap.hasOwnProperty(i)) {
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results.push({ e: errorMap[i] });
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} else {
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var resp = responses[rIdx++];
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results.push({
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s: resp.getResponseCode(),
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h: _respHeaders(resp),
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b: Utilities.base64Encode(resp.getContent()),
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});
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}
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}
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return _json({ q: results });
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}
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function _buildOpts(req) {
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var opts = {
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method: (req.m || "GET").toLowerCase(),
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muteHttpExceptions: true,
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followRedirects: req.r !== false,
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validateHttpsCertificates: true,
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escaping: false,
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};
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if (req.h && typeof req.h === "object") {
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var headers = {};
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for (var k in req.h) {
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if (req.h.hasOwnProperty(k) && !SKIP_HEADERS[k.toLowerCase()]) {
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headers[k] = req.h[k];
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}
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}
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opts.headers = headers;
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}
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if (req.b) {
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opts.payload = Utilities.base64Decode(req.b);
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if (req.ct) opts.contentType = req.ct;
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}
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return opts;
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}
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function _respHeaders(resp) {
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try {
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if (typeof resp.getAllHeaders === "function") {
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return resp.getAllHeaders();
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}
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} catch (err) {}
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return resp.getHeaders();
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}
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function doGet(e) {
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return HtmlService.createHtmlOutput(
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"<!DOCTYPE html><html><head><title>My App</title></head>" +
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'<body style="font-family:sans-serif;max-width:600px;margin:40px auto">' +
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"<h1>Welcome</h1><p>This application is running normally.</p>" +
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"</body></html>"
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);
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}
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function _json(obj) {
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return ContentService.createTextOutput(JSON.stringify(obj)).setMimeType(
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ContentService.MimeType.JSON
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);
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}
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