// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//    * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//    * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//    * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "testing/gtest/include/gtest/gtest.h"

#include "base/file_util.h"
#include "base/path_service.h"
#include "chrome/browser/firefox2_importer.h"
#include "chrome/browser/firefox_importer_utils.h"
#include "chrome/browser/firefox_profile_lock.h"
#include "chrome/common/chrome_paths.h"

TEST(FirefoxImporterTest, Firefox2NSS3Decryptor) {
  std::wstring nss_path;
  ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &nss_path));
  file_util::AppendToPath(&nss_path, L"firefox2_nss");
  std::wstring db_path;
  ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &db_path));
  file_util::AppendToPath(&db_path, L"firefox2_profile");
  NSSDecryptor decryptor;
  EXPECT_TRUE(decryptor.Init(nss_path, db_path));
  EXPECT_EQ(L"hello", decryptor.Decrypt("MDIEEPgAAAAAAAAAAAAAAAAAAAE"
      "wFAYIKoZIhvcNAwcECBJM63MpT9rtBAjMCm7qo/EhlA=="));
  // Test UTF-16 encoding.
  EXPECT_EQ(L"\x4E2D", decryptor.Decrypt("MDIEEPgAAAAAAAAAAAAAAAAAAAE"
      "wFAYIKoZIhvcNAwcECN9OQ5ZFmhb8BAiFo1Z+fUvaIQ=="));
}

TEST(FirefoxImporterTest, Firefox3NSS3Decryptor) {
  std::wstring nss_path;
  ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &nss_path));
  file_util::AppendToPath(&nss_path, L"firefox3_nss");
  std::wstring db_path;
  ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &db_path));
  file_util::AppendToPath(&db_path, L"firefox3_profile");
  NSSDecryptor decryptor;
  EXPECT_TRUE(decryptor.Init(nss_path, db_path));
  EXPECT_EQ(L"hello", decryptor.Decrypt("MDIEEPgAAAAAAAAAAAAAAAAAAAE"
      "wFAYIKoZIhvcNAwcECKajtRg4qFSHBAhv9luFkXgDJA=="));
  // Test UTF-16 encoding.
  EXPECT_EQ(L"\x4E2D", decryptor.Decrypt("MDIEEPgAAAAAAAAAAAAAAAAAAAE"
      "wFAYIKoZIhvcNAwcECLWqqiccfQHWBAie74hxnULxlw=="));
}

TEST(FirefoxImporterTest, Firefox2BookmarkParse) {
  bool result;

  // Tests charset.
  std::string charset;
  result = Firefox2Importer::ParseCharsetFromLine(
      "<META HTTP-EQUIV=\"Content-Type\" "
      "CONTENT=\"text/html; charset=UTF-8\">",
      &charset);
  EXPECT_TRUE(result);
  EXPECT_EQ("UTF-8", charset);

  // Escaped characters in name.
  std::wstring folder_name;
  bool is_toolbar_folder;
  result = Firefox2Importer::ParseFolderNameFromLine(
      "<DT><H3 ADD_DATE=\"1207558707\" >&lt; &gt;"
      " &amp; &quot; &#39; \\ /</H3>",
      charset, &folder_name, &is_toolbar_folder);
  EXPECT_TRUE(result);
  EXPECT_EQ(L"< > & \" ' \\ /", folder_name);
  EXPECT_EQ(false, is_toolbar_folder);

  // Empty name and toolbar folder attribute.
  result = Firefox2Importer::ParseFolderNameFromLine(
      "<DT><H3 PERSONAL_TOOLBAR_FOLDER=\"true\"></H3>",
      charset, &folder_name, &is_toolbar_folder);
  EXPECT_TRUE(result);
  EXPECT_EQ(L"", folder_name);
  EXPECT_EQ(true, is_toolbar_folder);

  // Unicode characters in title and shortcut.
  std::wstring title;
  GURL url, favicon;
  std::wstring shortcut;
  std::wstring post_data;
  Time add_date;
  result = Firefox2Importer::ParseBookmarkFromLine(
      "<DT><A HREF=\"http://chinese.site.cn/path?query=1#ref\" "
      "SHORTCUTURL=\"\xE4\xB8\xAD\">\xE4\xB8\xAD\xE6\x96\x87</A>",
      charset, &title, &url, &favicon, &shortcut, &add_date, &post_data);
  EXPECT_TRUE(result);
  EXPECT_EQ(L"\x4E2D\x6587", title);
  EXPECT_EQ("http://chinese.site.cn/path?query=1#ref", url.spec());
  EXPECT_EQ(L"\x4E2D", shortcut);
  EXPECT_EQ(L"", post_data);
  EXPECT_TRUE(Time() == add_date);

  // No shortcut, and url contains %22 ('"' character).
  result = Firefox2Importer::ParseBookmarkFromLine(
      "<DT><A HREF=\"http://domain.com/?q=%22<>%22\">name</A>",
      charset, &title, &url, &favicon, &shortcut, &add_date, &post_data);
  EXPECT_TRUE(result);
  EXPECT_EQ(L"name", title);
  EXPECT_EQ("http://domain.com/?q=\"%3C%3E\"", url.spec());
  EXPECT_EQ(L"", shortcut);
  EXPECT_EQ(L"", post_data);
  EXPECT_TRUE(Time() == add_date);

  // Creation date.
  result = Firefox2Importer::ParseBookmarkFromLine(
      "<DT><A HREF=\"http://site/\" ADD_DATE=\"1121301154\">name</A>",
      charset, &title, &url, &favicon, &shortcut, &add_date, &post_data);
  EXPECT_TRUE(result);
  EXPECT_EQ(L"name", title);
  EXPECT_EQ(GURL("http://site/"), url);
  EXPECT_EQ(L"", shortcut);
  EXPECT_EQ(L"", post_data);
  EXPECT_TRUE(Time::FromTimeT(1121301154) == add_date);

  // Post-data
  result = Firefox2Importer::ParseBookmarkFromLine(
      "<DT><A HREF=\"http://localhost:8080/test/hello.html\" ADD_DATE=\""
      "1212447159\" LAST_VISIT=\"1212447251\" LAST_MODIFIED=\"1212447248\""
      "SHORTCUTURL=\"post\" ICON=\"data:\" POST_DATA=\"lname%3D%25s\""
      "LAST_CHARSET=\"UTF-8\" ID=\"rdf:#$weKaR3\">Test Post keyword</A>",
      charset, &title, &url, &favicon, &shortcut, &add_date, &post_data);
  EXPECT_TRUE(result);
  EXPECT_EQ(L"Test Post keyword", title);
  EXPECT_EQ("http://localhost:8080/test/hello.html", url.spec());
  EXPECT_EQ(L"post", shortcut);
  EXPECT_EQ(L"lname%3D%25s", post_data);
  EXPECT_TRUE(Time::FromTimeT(1212447159) == add_date);

  // Invalid case.
  result = Firefox2Importer::ParseBookmarkFromLine(
      "<DT><A HREF=\"http://domain.com/?q=%22",
      charset, &title, &url, &favicon, &shortcut, &add_date, &post_data);
  EXPECT_FALSE(result);
  EXPECT_EQ(L"", title);
  EXPECT_EQ("", url.spec());
  EXPECT_EQ(L"", shortcut);
  EXPECT_EQ(L"", post_data);
  EXPECT_TRUE(Time() == add_date);
}

// Tests basic functionality and verifies that the lock file is deleted after
// use.
TEST(FirefoxImporterTest, ProfileLock) {
  std::wstring test_path;
  file_util::CreateNewTempDirectory(L"firefox_profile", &test_path);
  std::wstring lock_file_path = test_path;
  file_util::AppendToPath(&lock_file_path, FirefoxProfileLock::kLockFileName);

  scoped_ptr<FirefoxProfileLock> lock;
  EXPECT_EQ(static_cast<FirefoxProfileLock*>(NULL), lock.get());
  EXPECT_FALSE(file_util::PathExists(lock_file_path));
  lock.reset(new FirefoxProfileLock(test_path));
  EXPECT_TRUE(lock->HasAcquired());
  EXPECT_TRUE(file_util::PathExists(lock_file_path));
  lock->Unlock();
  EXPECT_FALSE(lock->HasAcquired());
  EXPECT_FALSE(file_util::PathExists(lock_file_path));
  lock->Lock();
  EXPECT_TRUE(lock->HasAcquired());
  EXPECT_TRUE(file_util::PathExists(lock_file_path));
  lock->Lock();
  EXPECT_TRUE(lock->HasAcquired());
  lock->Unlock();
  EXPECT_FALSE(lock->HasAcquired());
  EXPECT_FALSE(file_util::PathExists(lock_file_path));
}

// If for some reason the lock file is left behind by the previous owner, we
// should still be able to lock it, at least in the Windows implementation.
TEST(FirefoxImporterTest, ProfileLockOrphaned) {
  std::wstring test_path;
  file_util::CreateNewTempDirectory(L"firefox_profile", &test_path);
  std::wstring lock_file_path = test_path;
  file_util::AppendToPath(&lock_file_path, FirefoxProfileLock::kLockFileName);

  // Create the orphaned lock file.
  HANDLE lock_file = CreateFile(lock_file_path.c_str(),
                                GENERIC_READ | GENERIC_WRITE,
                                0, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL,
                                NULL);
  CloseHandle(lock_file);
  EXPECT_TRUE(file_util::PathExists(lock_file_path));

  scoped_ptr<FirefoxProfileLock> lock;
  EXPECT_EQ(static_cast<FirefoxProfileLock*>(NULL), lock.get());
  lock.reset(new FirefoxProfileLock(test_path));
  EXPECT_TRUE(lock->HasAcquired());
  lock->Unlock();
  EXPECT_FALSE(lock->HasAcquired());
}

// Tests two locks contending for the same lock file.
TEST(FirefoxImporterTest, ProfileLockContention) {
  std::wstring test_path;
  file_util::CreateNewTempDirectory(L"firefox_profile", &test_path);

  scoped_ptr<FirefoxProfileLock> lock1;
  EXPECT_EQ(static_cast<FirefoxProfileLock*>(NULL), lock1.get());
  lock1.reset(new FirefoxProfileLock(test_path));
  EXPECT_TRUE(lock1->HasAcquired());

  scoped_ptr<FirefoxProfileLock> lock2;
  EXPECT_EQ(static_cast<FirefoxProfileLock*>(NULL), lock2.get());
  lock2.reset(new FirefoxProfileLock(test_path));
  EXPECT_FALSE(lock2->HasAcquired());

  lock1->Unlock();
  EXPECT_FALSE(lock1->HasAcquired());

  lock2->Lock();
  EXPECT_TRUE(lock2->HasAcquired());
  lock2->Unlock();
  EXPECT_FALSE(lock2->HasAcquired());
}