smc-hub
Version:
CoCalc: Backend webserver component
179 lines • 9.73 kB
JavaScript
;
/*
* This file is part of CoCalc: Copyright © 2020 Sagemath, Inc.
* License: AGPLv3 s.t. "Commons Clause" – see LICENSE.md for details
*/
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.handle_path_request = void 0;
var misc_1 = require("smc-util/misc");
var file_contents_1 = require("smc-webapp/share/file-contents");
var render_public_path_1 = require("./render-public-path");
var render_static_path_1 = require("./render-static-path");
var react_viewer_1 = require("./react-viewer");
function handle_path_request(opts) {
return __awaiter(this, void 0, void 0, function () {
var public_paths, author_info, settings_dao, req, res, path_to_files, viewer, info, project_id, id, path, token, public_path, description, dir, ext, _a, filename, authors, settings, views;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
public_paths = opts.public_paths, author_info = opts.author_info, settings_dao = opts.settings_dao, req = opts.req, res = opts.res, path_to_files = opts.path_to_files;
viewer = opts.viewer;
if (misc_1.is_valid_uuid_string(req.params.id)) {
// explicit project_id specified instead of sha1 hash id of share.
info = undefined;
project_id = req.params.id;
}
else {
id = req.params.id;
if (id == null || public_paths == null) {
res.sendStatus(404);
return [2 /*return*/];
}
info = public_paths.get(id);
if (info == null || info.get("auth")) {
// TODO: For now, /share server does NOT make vhost visible at all if there is any auth info..
res.sendStatus(404);
return [2 /*return*/];
}
project_id = info.get("project_id");
}
path = req.params[0];
if (path == null) {
res.sendStatus(404);
return [2 /*return*/];
}
// Check that the requested path is definitely contained
// in a current valid non-disabled public path. This is important so:
// (a) if access is via public_path id and that path just got
// revoked, but share server hasn't caught up and removed target,
// then we want request to still be denied.
// (b) when accessing by project_id, the only restriction would be
// by what happens to be in the path to files. So share server not having
// updated yet is a problem, but ALSO, in some cases (dev server, docker personal)
// that path is just to the live files in the project, so very dangerous.
if (viewer == null) {
// if it is not explicitly specified, take if from query param.
viewer = req.query.viewer;
}
token = req.query.token;
if (viewer != null &&
viewer != "share" &&
viewer != "embed" &&
viewer != "raw" &&
viewer != "download") {
viewer = "share";
}
if (public_paths == null) {
res.sendStatus(404);
return [2 /*return*/];
}
public_path = public_paths.public_path(project_id, path);
if (public_path == null ||
!public_paths.is_access_allowed(project_id, public_path, token)) {
res.sendStatus(404);
return [2 /*return*/];
}
if (info == null) {
info = public_paths.get_info(project_id, public_path);
if (info == null) {
res.sendStatus(404);
return [2 /*return*/];
}
}
description = info.get("description");
dir = path_to_files(project_id);
if (viewer == null) {
ext = misc_1.filename_extension(path);
if (!file_contents_1.default_to_raw(ext) && file_contents_1.has_special_viewer(ext)) {
viewer = "share";
}
else {
viewer = "raw";
}
}
_a = viewer;
switch (_a) {
case "raw": return [3 /*break*/, 1];
case "download": return [3 /*break*/, 2];
}
return [3 /*break*/, 3];
case 1:
render_static_path_1.render_static_path({
req: req,
res: res,
dir: dir,
path: path,
});
return [3 /*break*/, 6];
case 2:
filename = misc_1.path_split(path).tail;
res.download(dir + "/" + path, filename);
return [3 /*break*/, 6];
case 3: return [4 /*yield*/, author_info.get_authors(project_id, path)];
case 4:
authors = _b.sent();
return [4 /*yield*/, settings_dao.get()];
case 5:
settings = _b.sent();
public_paths.increment_view_counter(project_id, public_path);
views = undefined;
if (path == public_path || path == public_path + "/") {
views = public_paths.get_views(project_id, public_path);
}
render_public_path_1.render_public_path({
req: req,
res: res,
info: info,
dir: dir,
path: path,
react: react_viewer_1.react_viewer("/" + req.params.id + "/" + path, project_id, false, viewer, public_paths.is_public, settings, description, "/" + info.get("id") + "/" + path),
viewer: viewer,
hidden: req.query.hidden,
sort: req.query.sort != null ? req.query.sort : "name",
authors: authors,
views: views,
});
_b.label = 6;
case 6: return [2 /*return*/];
}
});
});
}
exports.handle_path_request = handle_path_request;
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