TestPrincipalSerialization.cpp

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/* 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 "gtest/gtest.h"

#include "mozilla/Base64.h"

#include "mozilla/BasePrincipal.h"

#include "mozilla/ContentPrincipal.h"

#include "mozilla/NullPrincipal.h"

#include "mozilla/SystemPrincipal.h"

#include "mozilla/ExpandedPrincipal.h"

using mozilla::BasePrincipal;

using mozilla::ContentPrincipal;

using mozilla::NullPrincipal;

using mozilla::SystemPrincipal;

// None of these tests work in debug due to assert guards

#ifndef MOZ_DEBUG

// calling toJSON() twice with the same string arg

// (ensure that we truncate correctly where needed)

TEST(PrincipalSerialization, ReusedJSONArgument)

  nsCOMPtr<nsIScriptSecurityManager> ssm =

      nsScriptSecurityManager::GetScriptSecurityManager();

  nsAutoCString spec("https://mozilla.com");

  nsCOMPtr<nsIPrincipal> principal;

  nsresult rv =

      ssm->CreateContentPrincipalFromOrigin(spec, getter_AddRefs(principal));

  ASSERT_EQ(rv, NS_OK);

  nsAutoCString JSON;

  rv = BasePrincipal::Cast(principal)->ToJSON(JSON);

  ASSERT_EQ(rv, NS_OK);

  ASSERT_TRUE(JSON.EqualsLiteral("{\"1\":{\"0\":\"https://mozilla.com/\"}}"));

  nsAutoCString spec2("https://example.com");

  nsCOMPtr<nsIPrincipal> principal2;

  rv = ssm->CreateContentPrincipalFromOrigin(spec2, getter_AddRefs(principal2));

  ASSERT_EQ(rv, NS_OK);

  // Reuse JSON without truncation to check the code is doing this

  rv = BasePrincipal::Cast(principal2)->ToJSON(JSON);

  ASSERT_EQ(rv, NS_OK);

  ASSERT_TRUE(JSON.EqualsLiteral("{\"1\":{\"0\":\"https://example.com/\"}}"));

// Double check that if we have two valid principals in a serialized JSON that

// nullptr is returned

TEST(PrincipalSerialization, TwoKeys)

  // Sanity check that this returns a system principal

  nsCOMPtr<nsIPrincipal> systemPrincipal =

      BasePrincipal::FromJSON("{\"3\":{}}"_ns);

  ASSERT_EQ(BasePrincipal::Cast(systemPrincipal)->Kind(),

            BasePrincipal::eSystemPrincipal);

  // Sanity check that this returns a content principal

  nsCOMPtr<nsIPrincipal> contentPrincipal =

      BasePrincipal::FromJSON("{\"1\":{\"0\":\"https://mozilla.com\"}}"_ns);

  ASSERT_EQ(BasePrincipal::Cast(contentPrincipal)->Kind(),

            BasePrincipal::eContentPrincipal);

  // Check both combined don't return a principal

  nsCOMPtr<nsIPrincipal> combinedPrincipal = BasePrincipal::FromJSON(

      "{\"1\":{\"0\":\"https://mozilla.com\"},\"3\":{}}"_ns);

  ASSERT_EQ(nullptr, combinedPrincipal);

#endif  // ifndef MOZ_DEBUG

TEST(PrincipalSerialization, ExpandedPrincipal)

  // Check basic Expandedprincipal works without OA

  nsCOMPtr<nsIScriptSecurityManager> ssm =

      nsScriptSecurityManager::GetScriptSecurityManager();

  uint32_t length = 2;

  nsTArray<nsCOMPtr<nsIPrincipal> > allowedDomains(length);

  allowedDomains.SetLength(length);

  nsAutoCString spec("https://mozilla.com");

  nsCOMPtr<nsIPrincipal> principal;

  nsresult rv =

      ssm->CreateContentPrincipalFromOrigin(spec, getter_AddRefs(principal));

  ASSERT_EQ(rv, NS_OK);

  ASSERT_EQ(BasePrincipal::Cast(principal)->Kind(),

            BasePrincipal::eContentPrincipal);

  allowedDomains[0] = principal;

  nsAutoCString spec2("https://mozilla.org");

  nsCOMPtr<nsIPrincipal> principal2;

  rv = ssm->CreateContentPrincipalFromOrigin(spec2, getter_AddRefs(principal2));

  ASSERT_EQ(rv, NS_OK);

  ASSERT_EQ(BasePrincipal::Cast(principal2)->Kind(),

            BasePrincipal::eContentPrincipal);

  allowedDomains[1] = principal2;

  mozilla::OriginAttributes attrs;

  RefPtr<ExpandedPrincipal> result =

      ExpandedPrincipal::Create(allowedDomains, attrs);

  ASSERT_EQ(BasePrincipal::Cast(result)->Kind(),

            BasePrincipal::eExpandedPrincipal);

  nsAutoCString JSON;

  rv = BasePrincipal::Cast(result)->ToJSON(JSON);

  ASSERT_EQ(rv, NS_OK);

  ASSERT_STREQ(JSON.get(),

               "{\"2\":{\"0\":[{\"1\":{\"0\":\"https://mozilla.com/"

               "\"}},{\"1\":{\"0\":\"https://mozilla.org/\"}}]}}");

  nsCOMPtr<nsIPrincipal> returnedPrincipal = BasePrincipal::FromJSON(JSON);

  auto outPrincipal = BasePrincipal::Cast(returnedPrincipal);

  ASSERT_EQ(outPrincipal->Kind(), BasePrincipal::eExpandedPrincipal);

  ASSERT_TRUE(outPrincipal->FastSubsumesIgnoringFPD(principal));

  ASSERT_TRUE(outPrincipal->FastSubsumesIgnoringFPD(principal2));

  nsAutoCString specDev("https://mozilla.dev");

  nsCOMPtr<nsIPrincipal> principalDev;

  rv = ssm->CreateContentPrincipalFromOrigin(specDev,

                                             getter_AddRefs(principalDev));

  ASSERT_EQ(rv, NS_OK);

  ASSERT_EQ(BasePrincipal::Cast(principalDev)->Kind(),

            BasePrincipal::eContentPrincipal);

  ASSERT_FALSE(outPrincipal->FastSubsumesIgnoringFPD(principalDev));

TEST(PrincipalSerialization, ExpandedPrincipalOA)

  // Check Expandedprincipal works with top level OA

  nsCOMPtr<nsIScriptSecurityManager> ssm =

      nsScriptSecurityManager::GetScriptSecurityManager();

  uint32_t length = 2;

  nsTArray<nsCOMPtr<nsIPrincipal> > allowedDomains(length);

  allowedDomains.SetLength(length);

  nsAutoCString spec("https://mozilla.com");

  nsCOMPtr<nsIPrincipal> principal;

  nsresult rv =

      ssm->CreateContentPrincipalFromOrigin(spec, getter_AddRefs(principal));

  ASSERT_EQ(rv, NS_OK);

  ASSERT_EQ(BasePrincipal::Cast(principal)->Kind(),

            BasePrincipal::eContentPrincipal);

  allowedDomains[0] = principal;

  nsAutoCString spec2("https://mozilla.org");

  nsCOMPtr<nsIPrincipal> principal2;

  rv = ssm->CreateContentPrincipalFromOrigin(spec2, getter_AddRefs(principal2));

  ASSERT_EQ(rv, NS_OK);

  ASSERT_EQ(BasePrincipal::Cast(principal2)->Kind(),

            BasePrincipal::eContentPrincipal);

  allowedDomains[1] = principal2;

  mozilla::OriginAttributes attrs;

  nsAutoCString suffix("^userContextId=1");

  bool ok = attrs.PopulateFromSuffix(suffix);

  ASSERT_TRUE(ok);

  RefPtr<ExpandedPrincipal> result =

      ExpandedPrincipal::Create(allowedDomains, attrs);

  ASSERT_EQ(BasePrincipal::Cast(result)->Kind(),

            BasePrincipal::eExpandedPrincipal);

  nsAutoCString JSON;

  rv = BasePrincipal::Cast(result)->ToJSON(JSON);

  ASSERT_EQ(rv, NS_OK);

  ASSERT_STREQ(JSON.get(),

               "{\"2\":{\"0\":[{\"1\":{\"0\":\"https://mozilla.com/"

               "\"}},{\"1\":{\"0\":\"https://mozilla.org/"

               "\"}}],\"1\":\"^userContextId=1\"}}");

  nsCOMPtr<nsIPrincipal> returnedPrincipal = BasePrincipal::FromJSON(JSON);

  auto outPrincipal = BasePrincipal::Cast(returnedPrincipal);

  ASSERT_EQ(outPrincipal->Kind(), BasePrincipal::eExpandedPrincipal);

  ASSERT_TRUE(outPrincipal->FastSubsumesIgnoringFPD(principal));

  ASSERT_TRUE(outPrincipal->FastSubsumesIgnoringFPD(principal2));

  nsAutoCString specDev("https://mozilla.dev");

  nsCOMPtr<nsIPrincipal> principalDev;

  rv = ssm->CreateContentPrincipalFromOrigin(specDev,

                                             getter_AddRefs(principalDev));

  ASSERT_EQ(rv, NS_OK);

  ASSERT_EQ(BasePrincipal::Cast(principalDev)->Kind(),

            BasePrincipal::eContentPrincipal);

  ASSERT_FALSE(outPrincipal->FastSubsumesIgnoringFPD(principalDev));