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b5d9522f1e
From now on, if someone wants to expose a TypedArray to content, they should use Cu.cloneInto.
65 lines
2.5 KiB
JavaScript
65 lines
2.5 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* See https://bugzilla.mozilla.org/show_bug.cgi?id=813901 */
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const Cu = Components.utils;
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const TypedArrays = [ Int8Array, Uint8Array, Int16Array, Uint16Array,
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Int32Array, Uint32Array, Float32Array, Float64Array,
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Uint8ClampedArray ];
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// Make sure that the correct nativecall-y stuff is denied on security wrappers.
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function run_test() {
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var sb = new Cu.Sandbox('http://www.example.org');
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sb.obj = {foo: 2};
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/* Set up some typed arrays. */
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sb.ab = new ArrayBuffer(8);
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for (var i = 0; i < 8; ++i)
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new Uint8Array(sb.ab)[i] = i * 10;
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sb.ta = [];
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TypedArrays.forEach(function(f) sb.ta.push(new f(sb.ab)));
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sb.dv = new DataView(sb.ab);
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/* Things that should throw. */
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checkThrows("Object.prototype.__lookupSetter__('__proto__').call(obj, {});", sb);
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sb.re = /f/;
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checkThrows("RegExp.prototype.exec.call(re, 'abcdefg').index", sb);
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sb.d = new Date();
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checkThrows("Date.prototype.setYear.call(d, 2011)", sb);
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sb.m = new Map();
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checkThrows("(new Map()).clear.call(m)", sb);
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checkThrows("ArrayBuffer.prototype.__lookupGetter__('byteLength').call(ab);", sb);
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checkThrows("ArrayBuffer.prototype.slice.call(ab, 0);", sb);
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checkThrows("DataView.prototype.getInt8.call(dv, 0);", sb);
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/* Now that Date is on Xrays, these should all throw. */
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checkThrows("Date.prototype.getYear.call(d)", sb);
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checkThrows("Date.prototype.valueOf.call(d)", sb);
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checkThrows("d.valueOf()", sb);
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checkThrows("Date.prototype.toString.call(d)", sb);
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checkThrows("d.toString()", sb);
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/* Typed arrays. */
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function testForTypedArray(t) {
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sb.curr = t;
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sb.currName = t.constructor.name;
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checkThrows("this[currName].prototype.subarray.call(curr, 0)[0]", sb);
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checkThrows("(new this[currName]).__lookupGetter__('length').call(curr)", sb);
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checkThrows("(new this[currName]).__lookupGetter__('buffer').call(curr)", sb);
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checkThrows("(new this[currName]).__lookupGetter__('byteOffset').call(curr)", sb);
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checkThrows("(new this[currName]).__lookupGetter__('byteLength').call(curr)", sb);
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}
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sb.ta.forEach(testForTypedArray);
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}
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function checkThrows(expression, sb) {
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var result = Cu.evalInSandbox('(function() { try { ' + expression + '; return "allowed"; } catch (e) { return e.toString(); }})();', sb);
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dump('result: ' + result + '\n\n\n');
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do_check_true(!!/denied/.exec(result));
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}
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