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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "webkit/fileapi/sandbox_mount_point_provider.h"
#include <set>
#include "base/basictypes.h"
#include "base/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/message_loop_proxy.h"
#include "googleurl/src/gurl.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webkit/fileapi/file_system_mount_point_provider.h"
#include "webkit/fileapi/file_system_url.h"
#include "webkit/fileapi/file_system_util.h"
#include "webkit/fileapi/mock_file_system_options.h"
namespace fileapi {
namespace {
FileSystemURL CreateFileSystemURL(const char* path) {
const GURL kOrigin("http://foo/");
return FileSystemURL::CreateForTest(
kOrigin, kFileSystemTypeTemporary, base::FilePath::FromUTF8Unsafe(path));
}
} // namespace
class SandboxMountPointProviderOriginEnumeratorTest : public testing::Test {
public:
virtual void SetUp() {
ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
sandbox_provider_.reset(
new SandboxMountPointProvider(
NULL,
base::MessageLoopProxy::current(),
data_dir_.path(),
CreateAllowFileAccessOptions(),
NULL));
}
SandboxMountPointProvider::OriginEnumerator* CreateEnumerator() const {
return sandbox_provider_->CreateOriginEnumerator();
}
protected:
void CreateOriginTypeDirectory(const GURL& origin,
fileapi::FileSystemType type) {
base::FilePath target = sandbox_provider_->
GetBaseDirectoryForOriginAndType(origin, type, true);
ASSERT_TRUE(!target.empty());
ASSERT_TRUE(file_util::DirectoryExists(target));
}
base::ScopedTempDir data_dir_;
base::MessageLoop message_loop_;
scoped_ptr<SandboxMountPointProvider> sandbox_provider_;
};
TEST_F(SandboxMountPointProviderOriginEnumeratorTest, Empty) {
scoped_ptr<SandboxMountPointProvider::OriginEnumerator> enumerator(
CreateEnumerator());
ASSERT_TRUE(enumerator->Next().is_empty());
}
TEST_F(SandboxMountPointProviderOriginEnumeratorTest, EnumerateOrigins) {
const char* temporary_origins[] = {
"http://www.bar.com/",
"http://www.foo.com/",
"http://www.foo.com:1/",
"http://www.example.com:8080/",
"http://www.google.com:80/",
};
const char* persistent_origins[] = {
"http://www.bar.com/",
"http://www.foo.com:8080/",
"http://www.foo.com:80/",
};
size_t temporary_size = ARRAYSIZE_UNSAFE(temporary_origins);
size_t persistent_size = ARRAYSIZE_UNSAFE(persistent_origins);
std::set<GURL> temporary_set, persistent_set;
for (size_t i = 0; i < temporary_size; ++i) {
CreateOriginTypeDirectory(GURL(temporary_origins[i]),
fileapi::kFileSystemTypeTemporary);
temporary_set.insert(GURL(temporary_origins[i]));
}
for (size_t i = 0; i < persistent_size; ++i) {
CreateOriginTypeDirectory(GURL(persistent_origins[i]),
kFileSystemTypePersistent);
persistent_set.insert(GURL(persistent_origins[i]));
}
scoped_ptr<SandboxMountPointProvider::OriginEnumerator> enumerator(
CreateEnumerator());
size_t temporary_actual_size = 0;
size_t persistent_actual_size = 0;
GURL current;
while (!(current = enumerator->Next()).is_empty()) {
SCOPED_TRACE(testing::Message() << "EnumerateOrigin " << current.spec());
if (enumerator->HasFileSystemType(kFileSystemTypeTemporary)) {
ASSERT_TRUE(temporary_set.find(current) != temporary_set.end());
++temporary_actual_size;
}
if (enumerator->HasFileSystemType(kFileSystemTypePersistent)) {
ASSERT_TRUE(persistent_set.find(current) != persistent_set.end());
++persistent_actual_size;
}
}
EXPECT_EQ(temporary_size, temporary_actual_size);
EXPECT_EQ(persistent_size, persistent_actual_size);
}
TEST(SandboxMountPointProviderTest, AccessPermissions) {
base::MessageLoop message_loop_;
SandboxMountPointProvider provider(
NULL, base::MessageLoopProxy::current(), base::FilePath(),
CreateAllowFileAccessOptions(), NULL);
// Any access should be allowed in sandbox directory.
EXPECT_EQ(FILE_PERMISSION_ALWAYS_ALLOW,
provider.GetPermissionPolicy(CreateFileSystemURL("foo"),
kReadFilePermissions));
EXPECT_EQ(FILE_PERMISSION_ALWAYS_ALLOW,
provider.GetPermissionPolicy(CreateFileSystemURL("foo"),
kWriteFilePermissions));
EXPECT_EQ(FILE_PERMISSION_ALWAYS_ALLOW,
provider.GetPermissionPolicy(CreateFileSystemURL("foo"),
kCreateFilePermissions));
// Access to a path with parent references ('..') should be disallowed.
EXPECT_EQ(FILE_PERMISSION_ALWAYS_DENY,
provider.GetPermissionPolicy(CreateFileSystemURL("a/../b"),
kReadFilePermissions));
// Access from non-allowed scheme should be disallowed.
EXPECT_EQ(FILE_PERMISSION_ALWAYS_DENY,
provider.GetPermissionPolicy(
FileSystemURL::CreateForTest(
GURL("unknown://bar"), kFileSystemTypeTemporary,
base::FilePath::FromUTF8Unsafe("foo")),
kReadFilePermissions));
// Access for non-sandbox type should be disallowed.
EXPECT_EQ(FILE_PERMISSION_ALWAYS_DENY,
provider.GetPermissionPolicy(
FileSystemURL::CreateForTest(
GURL("http://foo/"), kFileSystemTypeTest,
base::FilePath::FromUTF8Unsafe("foo")),
kReadFilePermissions));
// Write access to the root folder should be restricted.
EXPECT_EQ(FILE_PERMISSION_ALWAYS_DENY,
provider.GetPermissionPolicy(CreateFileSystemURL(""),
kWriteFilePermissions));
EXPECT_EQ(FILE_PERMISSION_ALWAYS_DENY,
provider.GetPermissionPolicy(CreateFileSystemURL("/"),
kWriteFilePermissions));
EXPECT_EQ(FILE_PERMISSION_ALWAYS_DENY,
provider.GetPermissionPolicy(CreateFileSystemURL("/"),
kCreateFilePermissions));
// Create access with restricted name should be disallowed.
EXPECT_EQ(FILE_PERMISSION_ALWAYS_DENY,
provider.GetPermissionPolicy(CreateFileSystemURL(".."),
kCreateFilePermissions));
EXPECT_EQ(FILE_PERMISSION_ALWAYS_DENY,
provider.GetPermissionPolicy(CreateFileSystemURL("."),
kCreateFilePermissions));
// Similar but safe cases.
EXPECT_EQ(FILE_PERMISSION_ALWAYS_ALLOW,
provider.GetPermissionPolicy(CreateFileSystemURL(" ."),
kCreateFilePermissions));
EXPECT_EQ(FILE_PERMISSION_ALWAYS_ALLOW,
provider.GetPermissionPolicy(CreateFileSystemURL(". "),
kCreateFilePermissions));
EXPECT_EQ(FILE_PERMISSION_ALWAYS_DENY,
provider.GetPermissionPolicy(CreateFileSystemURL(" .."),
kCreateFilePermissions));
EXPECT_EQ(FILE_PERMISSION_ALWAYS_DENY,
provider.GetPermissionPolicy(CreateFileSystemURL(".. "),
kCreateFilePermissions));
EXPECT_EQ(FILE_PERMISSION_ALWAYS_ALLOW,
provider.GetPermissionPolicy(CreateFileSystemURL("b."),
kCreateFilePermissions));
EXPECT_EQ(FILE_PERMISSION_ALWAYS_ALLOW,
provider.GetPermissionPolicy(CreateFileSystemURL(".b"),
kCreateFilePermissions));
// A path that looks like a drive letter.
EXPECT_EQ(FILE_PERMISSION_ALWAYS_ALLOW,
provider.GetPermissionPolicy(CreateFileSystemURL("c:"),
kCreateFilePermissions));
}
} // namespace fileapi
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