Overleaf/services/clsi/test/unit/js/StaticServerForbidSymlinksTests.js

/* eslint-disable
    no-return-assign,
    no-unused-vars,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
 * decaffeinate suggestions:
 * DS102: Remove unnecessary code created because of implicit returns
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
const should = require('chai').should();
const SandboxedModule = require('sandboxed-module');
const assert = require('assert');
const path = require('path');
const sinon = require('sinon');
const modulePath = path.join(__dirname, "../../../app/js/StaticServerForbidSymlinks");
const { expect } = require("chai");

describe("StaticServerForbidSymlinks", function() {

	beforeEach(function() {

		this.settings = { 
			path: {
				compilesDir: "/compiles/here"
			}
		};

		this.fs = {};
		this.ForbidSymlinks = SandboxedModule.require(modulePath, { requires: {
			"settings-sharelatex":this.settings,
			"logger-sharelatex": { 
				log() {},
				warn() {},
				error() {}
			},
			"fs":this.fs
		}
	}
		);

		this.dummyStatic = (rootDir, options) =>
			(req, res, next) =>
				// console.log "dummyStatic serving file", rootDir, "called with", req.url
				// serve it
				next()
			
		;

		this.StaticServerForbidSymlinks = this.ForbidSymlinks(this.dummyStatic, this.settings.path.compilesDir);
		this.req = { 
			params: {
				project_id:"12345"
			}
		};

		this.res = {};
		return this.req.url = "/12345/output.pdf";
	});


	describe("sending a normal file through", function() {
		beforeEach(function() {
			return this.fs.realpath = sinon.stub().callsArgWith(1, null, `${this.settings.path.compilesDir}/${this.req.params.project_id}/output.pdf`);
		});

		return it("should call next", function(done){
			this.res.sendStatus = function(resCode){
				resCode.should.equal(200);
				return done();
			};
			return this.StaticServerForbidSymlinks(this.req, this.res, done);
		});
	});


	describe("with a missing file", function() {
		beforeEach(function() {
			return this.fs.realpath = sinon.stub().callsArgWith(1, {code: 'ENOENT'}, `${this.settings.path.compilesDir}/${this.req.params.project_id}/unknown.pdf`);
		});

		return it("should send a 404", function(done){
			this.res.sendStatus = function(resCode){
				resCode.should.equal(404);
				return done();
			};
			return this.StaticServerForbidSymlinks(this.req, this.res);
		});
	});


	describe("with a symlink file", function() {
		beforeEach(function() {
			return this.fs.realpath = sinon.stub().callsArgWith(1, null, `/etc/${this.req.params.project_id}/output.pdf`);
		});

		return it("should send a 404", function(done){
			this.res.sendStatus = function(resCode){
				resCode.should.equal(404);
				return done();
			};
			return this.StaticServerForbidSymlinks(this.req, this.res);
		});
	});


	describe("with a relative file", function() {
		beforeEach(function() {
			return this.req.url = "/12345/../67890/output.pdf";
		});

		return it("should send a 404", function(done){
			this.res.sendStatus = function(resCode){
				resCode.should.equal(404);
				return done();
			};
			return this.StaticServerForbidSymlinks(this.req, this.res);
		});
	});


	describe("with a unnormalized file containing .", function() {
		beforeEach(function() {
			return this.req.url = "/12345/foo/./output.pdf";
		});

		return it("should send a 404", function(done){
			this.res.sendStatus = function(resCode){
				resCode.should.equal(404);
				return done();
			};
			return this.StaticServerForbidSymlinks(this.req, this.res);
		});
	});


	describe("with a file containing an empty path", function() {
		beforeEach(function() {
			return this.req.url = "/12345/foo//output.pdf";
		});

		return it("should send a 404", function(done){
			this.res.sendStatus = function(resCode){
				resCode.should.equal(404);
				return done();
			};
			return this.StaticServerForbidSymlinks(this.req, this.res);
		});
	});

	describe("with a non-project file", function() {
		beforeEach(function() {
			return this.req.url = "/.foo/output.pdf";
		});

		return it("should send a 404", function(done){
			this.res.sendStatus = function(resCode){
				resCode.should.equal(404);
				return done();
			};
			return this.StaticServerForbidSymlinks(this.req, this.res);
		});
	});

	describe("with a file outside the compiledir", function() {
		beforeEach(function() {
			return this.req.url = "/../bar/output.pdf";
		});

		return it("should send a 404", function(done){
			this.res.sendStatus = function(resCode){
				resCode.should.equal(404);
				return done();
			};
			return this.StaticServerForbidSymlinks(this.req, this.res);
		});
	});


	describe("with a file with no leading /", function() {
		beforeEach(function() {
			return this.req.url = "./../bar/output.pdf";
		});

		return it("should send a 404", function(done){
			this.res.sendStatus = function(resCode){
				resCode.should.equal(404);
				return done();
			};
			return this.StaticServerForbidSymlinks(this.req, this.res);
		});
	});

	describe("with a github style path", function() {
		beforeEach(function() {
			this.req.url = "/henryoswald-latex_example/output/output.log";
			return this.fs.realpath = sinon.stub().callsArgWith(1, null, `${this.settings.path.compilesDir}/henryoswald-latex_example/output/output.log`);
		});

		return it("should call next", function(done){
			this.res.sendStatus = function(resCode){
				resCode.should.equal(200);
				return done();
			};
			return this.StaticServerForbidSymlinks(this.req, this.res, done);
		});
	});

	return describe("with an error from fs.realpath", function() {

		beforeEach(function() {
			return this.fs.realpath = sinon.stub().callsArgWith(1, "error");
		});

		return it("should send a 500", function(done){
			this.res.sendStatus = function(resCode){
				resCode.should.equal(500);
				return done();
			};
			return this.StaticServerForbidSymlinks(this.req, this.res);
		});
	});
});