The Tor Browser: js/src/jsapi-tests/testXDR.cpp@129ffea94266 (annotated)

js/src/jsapi-tests/testXDR.cpp@129ffea94266 (annotated)

js/src/jsapi-tests/testXDR.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Sat, 03 Jan 2015 20:18:00 +0100
branch: TOR_BUG_3246
changeset 7: 129ffea94266
permissions: -rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
  * vim: set ts=8 sts=4 et sw=4 tw=99:
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "jsfriendapi.h"
 #include "jsscript.h"
 #include "jsstr.h"
 #include "jsapi-tests/tests.h"
 #include "jsscriptinlines.h"
 static JSScript *
 CompileScriptForPrincipalsVersionOrigin(JSContext *cx, JS::HandleObject obj,
                                         JSPrincipals *originPrincipals,
                                         const char *bytes, size_t nbytes,
                                         const char *filename, unsigned lineno,
                                         JSVersion version)
 {
     size_t nchars;
     if (!JS_DecodeBytes(cx, bytes, nbytes, nullptr, &nchars))
         return nullptr;
     jschar *chars = static_cast<jschar *>(JS_malloc(cx, nchars * sizeof(jschar)));
     if (!chars)
         return nullptr;
     JS_ALWAYS_TRUE(JS_DecodeBytes(cx, bytes, nbytes, chars, &nchars));
     JS::CompileOptions options(cx);
     options.setOriginPrincipals(originPrincipals)
            .setFileAndLine(filename, lineno)
            .setVersion(version);
     JSScript *script = JS::Compile(cx, obj, options, chars, nchars);
     free(chars);
     return script;
 }
 static JSScript *
 FreezeThaw(JSContext *cx, JS::HandleScript script)
 {
     // freeze
     uint32_t nbytes;
     void *memory = JS_EncodeScript(cx, script, &nbytes);
     if (!memory)
         return nullptr;
     // thaw
     JSScript *script2 = JS_DecodeScript(cx, memory, nbytes,
                                         script->originPrincipals());
     js_free(memory);
     return script2;
 }
 static JSScript *
 GetScript(JSContext *cx, JS::HandleObject funobj)
 {
     JS::RootedFunction fun(cx, JS_GetObjectFunction(funobj));
     return JS_GetFunctionScript(cx, fun);
 }
 static JSObject *
 FreezeThaw(JSContext *cx, JS::HandleObject funobj)
 {
     // freeze
     uint32_t nbytes;
     void *memory = JS_EncodeInterpretedFunction(cx, funobj, &nbytes);
     if (!memory)
         return nullptr;
     // thaw
     JSScript *script = GetScript(cx, funobj);
     JSObject *funobj2 = JS_DecodeInterpretedFunction(cx, memory, nbytes,
                                                      script->originPrincipals());
     js_free(memory);
     return funobj2;
 }
 static TestJSPrincipals testPrincipal0(1);
 static TestJSPrincipals testPrincipal1(1);
 BEGIN_TEST(testXDR_principals)
 {
     JSScript *script;
     JSCompartment *compartment = js::GetContextCompartment(cx);
     for (int i = TEST_FIRST; i != TEST_END; ++i) {
         // Appease the new JSAPI assertions. The stuff being tested here is
         // going away anyway.
         JS_SetCompartmentPrincipals(compartment, &testPrincipal0);
         script = createScriptViaXDR(nullptr, i);
         CHECK(script);
         CHECK(JS_GetScriptPrincipals(script) == &testPrincipal0);
         CHECK(JS_GetScriptOriginPrincipals(script) == &testPrincipal0);
         script = createScriptViaXDR(&testPrincipal0, i);
         CHECK(script);
         CHECK(JS_GetScriptPrincipals(script) == &testPrincipal0);
         CHECK(JS_GetScriptOriginPrincipals(script) == &testPrincipal0);
         script = createScriptViaXDR(&testPrincipal1, i);
         CHECK(script);
         CHECK(JS_GetScriptPrincipals(script) == &testPrincipal0);
         CHECK(JS_GetScriptOriginPrincipals(script) == &testPrincipal1);
     }
     return true;
 }
 enum TestCase {
     TEST_FIRST,
     TEST_SCRIPT = TEST_FIRST,
     TEST_FUNCTION,
     TEST_SERIALIZED_FUNCTION,
     TEST_END
 };
 JSScript *createScriptViaXDR(JSPrincipals *orig, int testCase)
 {
     const char src[] =
         "function f() { return 1; }\n"
         "f;\n";
     JS::RootedObject global(cx, JS::CurrentGlobalOrNull(cx));
     JS::RootedScript script(cx, CompileScriptForPrincipalsVersionOrigin(cx, global, orig,
                                                                         src, strlen(src), "test", 1,
                                                                         JSVERSION_DEFAULT));
     if (!script)
         return nullptr;
     if (testCase == TEST_SCRIPT || testCase == TEST_SERIALIZED_FUNCTION) {
         script = FreezeThaw(cx, script);
         if (!script)
             return nullptr;
         if (testCase == TEST_SCRIPT)
             return script;
     }
     JS::RootedValue v(cx);
     bool ok = JS_ExecuteScript(cx, global, script, &v);
     if (!ok || !v.isObject())
         return nullptr;
     JS::RootedObject funobj(cx, &v.toObject());
     if (testCase == TEST_FUNCTION) {
         funobj = FreezeThaw(cx, funobj);
         if (!funobj)
             return nullptr;
     }
     return GetScript(cx, funobj);
 }
 END_TEST(testXDR_principals)
 BEGIN_TEST(testXDR_bug506491)
 {
     const char *s =
         "function makeClosure(s, name, value) {\n"
         "    eval(s);\n"
         "    Math.sin(value);\n"
         "    return let (n = name, v = value) function () { return String(v); };\n"
         "}\n"
         "var f = makeClosure('0;', 'status', 'ok');\n";
     // compile
     JS::CompileOptions options(cx);
     options.setFileAndLine(__FILE__, __LINE__);
     JS::RootedScript script(cx, JS_CompileScript(cx, global, s, strlen(s),
                                                  options));
     CHECK(script);
     script = FreezeThaw(cx, script);
     CHECK(script);
     // execute
     JS::RootedValue v2(cx);
     CHECK(JS_ExecuteScript(cx, global, script, &v2));
     // try to break the Block object that is the parent of f
     JS_GC(rt);
     // confirm
     EVAL("f() === 'ok';\n", &v2);
     JS::RootedValue trueval(cx, JSVAL_TRUE);
     CHECK_SAME(v2, trueval);
     return true;
 }
 END_TEST(testXDR_bug506491)
 BEGIN_TEST(testXDR_bug516827)
 {
     // compile an empty script
     JS::CompileOptions options(cx);
     options.setFileAndLine(__FILE__, __LINE__);
     JS::RootedScript script(cx, JS_CompileScript(cx, global, "", 0, options));
     CHECK(script);
     script = FreezeThaw(cx, script);
     CHECK(script);
     // execute with null result meaning no result wanted
     CHECK(JS_ExecuteScript(cx, global, script));
     return true;
 }
 END_TEST(testXDR_bug516827)
 BEGIN_TEST(testXDR_source)
 {
     const char *samples[] = {
         // This can't possibly fail to compress well, can it?
         "function f(x) { return x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x }",
         "short",
         nullptr
     };
     for (const char **s = samples; *s; s++) {
         JS::CompileOptions options(cx);
         options.setFileAndLine(__FILE__, __LINE__);
         JS::RootedScript script(cx, JS_CompileScript(cx, global, *s, strlen(*s),
                                                      options));
         CHECK(script);
         script = FreezeThaw(cx, script);
         CHECK(script);
         JSString *out = JS_DecompileScript(cx, script, "testing", 0);
         CHECK(out);
         bool equal;
         CHECK(JS_StringEqualsAscii(cx, out, *s, &equal));
         CHECK(equal);
     }
     return true;
 }
 END_TEST(testXDR_source)
 BEGIN_TEST(testXDR_sourceMap)
 {
     const char *sourceMaps[] = {
         "http://example.com/source-map.json",
         "file:///var/source-map.json",
         nullptr
     };
     JS::RootedScript script(cx);
     for (const char **sm = sourceMaps; *sm; sm++) {
         JS::CompileOptions options(cx);
         options.setFileAndLine(__FILE__, __LINE__);
         script = JS_CompileScript(cx, global, "", 0, options);
         CHECK(script);
         size_t len = strlen(*sm);
         jschar *expected = js::InflateString(cx, *sm, &len);
         CHECK(expected);
         // The script source takes responsibility of free'ing |expected|.
         CHECK(script->scriptSource()->setSourceMapURL(cx, expected));
         script = FreezeThaw(cx, script);
         CHECK(script);
         CHECK(script->scriptSource());
         CHECK(script->scriptSource()->hasSourceMapURL());
         const jschar *actual = script->scriptSource()->sourceMapURL();
         CHECK(actual);
         while (*expected) {
             CHECK(*actual);
             CHECK(*expected == *actual);
             expected++;
             actual++;
         }
         CHECK(!*actual);
     }
     return true;
 }
 END_TEST(testXDR_sourceMap)

The Tor Browser / annotate

js/src/jsapi-tests/testXDR.cpp@129ffea94266 (annotated)

js/src/jsapi-tests/testXDR.cpp