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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/api/file_handlers/mime_util.h"
#include <memory>
#include <string>
#include <vector>
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/run_loop.h"
#include "base/strings/string_util.h"
#include "content/public/browser/browser_context.h"
#include "content/public/test/test_utils.h"
#include "extensions/browser/api/extensions_api_client.h"
#include "extensions/browser/extensions_test.h"
#include "storage/browser/quota/quota_manager_proxy.h"
#include "storage/browser/test/test_file_system_context.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace extensions {
namespace app_file_handler_util {
namespace {
const char kOrigin[] = "chrome-extension://cmalghjoncmjoeakimpfhojhpgemgaje";
const char kJPEGExtensionFilePath[] = "/fake/path/foo.jpg";
const char kJPEGExtensionUpperCaseFilePath[] = "/fake/path/FOO.JPG";
// Saves the returned mime type to a variable.
void OnMimeTypeResult(std::string* output, const std::string& mime_type) {
*output = mime_type;
}
// Saves returned mime types to a vector.
void OnMimeTypesCollected(
std::vector<std::string>* output,
std::unique_ptr<std::vector<std::string>> mime_types) {
*output = *mime_types;
}
// Creates a native local file system URL for a local path.
storage::FileSystemURL CreateNativeLocalFileSystemURL(
storage::FileSystemContext* context,
const base::FilePath local_path) {
return context->CreateCrackedFileSystemURL(
blink::StorageKey::CreateFromStringForTesting(kOrigin),
storage::kFileSystemTypeLocal, local_path);
}
} // namespace
class FileHandlersMimeUtilTest : public ExtensionsTest {
protected:
FileHandlersMimeUtilTest() = default;
~FileHandlersMimeUtilTest() override = default;
void SetUp() override {
ExtensionsTest::SetUp();
file_system_context_ = storage::CreateFileSystemContextForTesting(
/*quota_manager_proxy=*/nullptr, browser_context()->GetPath());
const std::string kSampleContent = "<html><body></body></html>";
base::FilePath temp_filename = CreateTemporaryFile(kSampleContent);
// File path must end in .html to avoid relying upon MIME-sniffing, which
// is disabled for HTML files delivered from file:// URIs.
html_mime_file_path_ =
temp_filename.AddExtension(FILE_PATH_LITERAL(".html"));
EXPECT_TRUE(base::Move(temp_filename, html_mime_file_path_));
}
base::FilePath CreateTemporaryFile(const std::string& contents) {
base::FilePath temp_filename;
EXPECT_TRUE(base::CreateTemporaryFile(&temp_filename));
EXPECT_TRUE(base::WriteFile(temp_filename, contents));
return temp_filename;
}
ExtensionsAPIClient extensions_api_client_;
scoped_refptr<storage::FileSystemContext> file_system_context_;
base::FilePath html_mime_file_path_;
};
TEST_F(FileHandlersMimeUtilTest, GetMimeTypeForLocalPath) {
{
std::string result;
GetMimeTypeForLocalPath(
browser_context(),
base::FilePath::FromUTF8Unsafe(kJPEGExtensionFilePath),
base::BindOnce(&OnMimeTypeResult, &result));
content::RunAllTasksUntilIdle();
EXPECT_EQ("image/jpeg", result);
}
{
std::string result;
GetMimeTypeForLocalPath(
browser_context(),
base::FilePath::FromUTF8Unsafe(kJPEGExtensionUpperCaseFilePath),
base::BindOnce(&OnMimeTypeResult, &result));
content::RunAllTasksUntilIdle();
EXPECT_EQ("image/jpeg", result);
}
{
std::string result;
GetMimeTypeForLocalPath(browser_context(), html_mime_file_path_,
base::BindOnce(&OnMimeTypeResult, &result));
content::RunAllTasksUntilIdle();
EXPECT_EQ("text/html", result);
}
{
std::string result;
GetMimeTypeForLocalPath(browser_context(), html_mime_file_path_.DirName(),
base::BindOnce(&OnMimeTypeResult, &result));
content::RunAllTasksUntilIdle();
EXPECT_EQ("inode/directory", result);
}
}
TEST_F(FileHandlersMimeUtilTest, MimeTypeCollector_ForURLs) {
MimeTypeCollector collector(browser_context());
std::vector<storage::FileSystemURL> urls;
urls.push_back(CreateNativeLocalFileSystemURL(
file_system_context_.get(),
base::FilePath::FromUTF8Unsafe(kJPEGExtensionFilePath)));
urls.push_back(CreateNativeLocalFileSystemURL(
file_system_context_.get(),
base::FilePath::FromUTF8Unsafe(kJPEGExtensionUpperCaseFilePath)));
urls.push_back(CreateNativeLocalFileSystemURL(file_system_context_.get(),
html_mime_file_path_));
urls.push_back(CreateNativeLocalFileSystemURL(
file_system_context_.get(), html_mime_file_path_.DirName()));
std::vector<std::string> result;
collector.CollectForURLs(urls,
base::BindOnce(&OnMimeTypesCollected, &result));
content::RunAllTasksUntilIdle();
ASSERT_EQ(4u, result.size());
EXPECT_EQ("image/jpeg", result[0]);
EXPECT_EQ("image/jpeg", result[1]);
EXPECT_EQ("text/html", result[2]);
EXPECT_EQ("inode/directory", result[3]);
}
TEST_F(FileHandlersMimeUtilTest, MimeTypeCollector_ForLocalPaths) {
MimeTypeCollector collector(browser_context());
std::vector<base::FilePath> local_paths;
local_paths.push_back(base::FilePath::FromUTF8Unsafe(kJPEGExtensionFilePath));
local_paths.push_back(
base::FilePath::FromUTF8Unsafe(kJPEGExtensionUpperCaseFilePath));
local_paths.push_back(html_mime_file_path_);
local_paths.push_back(html_mime_file_path_.DirName());
std::vector<std::string> result;
collector.CollectForLocalPaths(
local_paths, base::BindOnce(&OnMimeTypesCollected, &result));
content::RunAllTasksUntilIdle();
ASSERT_EQ(4u, result.size());
EXPECT_EQ("image/jpeg", result[0]);
EXPECT_EQ("image/jpeg", result[1]);
EXPECT_EQ("text/html", result[2]);
EXPECT_EQ("inode/directory", result[3]);
}
} // namespace app_file_handler_util
} // namespace extensions
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