diff options
Diffstat (limited to 'third_party/zlib/google/zip.cc')
| -rw-r--r-- | third_party/zlib/google/zip.cc | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/third_party/zlib/google/zip.cc b/third_party/zlib/google/zip.cc deleted file mode 100644 index e24449b..0000000 --- a/third_party/zlib/google/zip.cc +++ /dev/null @@ -1,207 +0,0 @@ -// 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 "third_party/zlib/google/zip.h" - -#include "base/bind.h" -#include "base/file_util.h" -#include "base/logging.h" -#include "base/string16.h" -#include "base/string_util.h" -#include "net/base/file_stream.h" -#include "third_party/zlib/google/zip_internal.h" -#include "third_party/zlib/google/zip_reader.h" - -#if defined(USE_SYSTEM_MINIZIP) -#include <minizip/unzip.h> -#include <minizip/zip.h> -#else -#include "third_party/zlib/contrib/minizip/unzip.h" -#include "third_party/zlib/contrib/minizip/zip.h" -#endif - -namespace { - -bool AddFileToZip(zipFile zip_file, const base::FilePath& src_dir) { - net::FileStream stream(NULL); - int flags = base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ; - if (stream.OpenSync(src_dir, flags) != 0) { - DLOG(ERROR) << "Could not open stream for path " - << src_dir.value(); - return false; - } - - int num_bytes; - char buf[zip::internal::kZipBufSize]; - do { - num_bytes = stream.ReadSync(buf, zip::internal::kZipBufSize); - if (num_bytes > 0) { - if (ZIP_OK != zipWriteInFileInZip(zip_file, buf, num_bytes)) { - DLOG(ERROR) << "Could not write data to zip for path " - << src_dir.value(); - return false; - } - } - } while (num_bytes > 0); - - return true; -} - -bool AddEntryToZip(zipFile zip_file, const base::FilePath& path, - const base::FilePath& root_path) { - std::string str_path = - path.AsUTF8Unsafe().substr(root_path.value().length() + 1); -#if defined(OS_WIN) - ReplaceSubstringsAfterOffset(&str_path, 0u, "\\", "/"); -#endif - - bool is_directory = file_util::DirectoryExists(path); - if (is_directory) - str_path += "/"; - - if (ZIP_OK != zipOpenNewFileInZip( - zip_file, str_path.c_str(), - NULL, NULL, 0u, NULL, 0u, NULL, // file info, extrafield local, length, - // extrafield global, length, comment - Z_DEFLATED, Z_DEFAULT_COMPRESSION)) { - DLOG(ERROR) << "Could not open zip file entry " << str_path; - return false; - } - - bool success = true; - if (!is_directory) { - success = AddFileToZip(zip_file, path); - } - - if (ZIP_OK != zipCloseFileInZip(zip_file)) { - DLOG(ERROR) << "Could not close zip file entry " << str_path; - return false; - } - - return success; -} - -bool ExcludeNoFilesFilter(const base::FilePath& file_path) { - return true; -} - -bool ExcludeHiddenFilesFilter(const base::FilePath& file_path) { - return file_path.BaseName().value()[0] != '.'; -} - -} // namespace - -namespace zip { - -bool Unzip(const base::FilePath& src_file, const base::FilePath& dest_dir) { - ZipReader reader; - if (!reader.Open(src_file)) { - DLOG(WARNING) << "Failed to open " << src_file.value(); - return false; - } - while (reader.HasMore()) { - if (!reader.OpenCurrentEntryInZip()) { - DLOG(WARNING) << "Failed to open the current file in zip"; - return false; - } - if (reader.current_entry_info()->is_unsafe()) { - DLOG(WARNING) << "Found an unsafe file in zip " - << reader.current_entry_info()->file_path().value(); - return false; - } - if (!reader.ExtractCurrentEntryIntoDirectory(dest_dir)) { - DLOG(WARNING) << "Failed to extract " - << reader.current_entry_info()->file_path().value(); - return false; - } - if (!reader.AdvanceToNextEntry()) { - DLOG(WARNING) << "Failed to advance to the next file"; - return false; - } - } - return true; -} - -bool ZipWithFilterCallback(const base::FilePath& src_dir, - const base::FilePath& dest_file, - const FilterCallback& filter_cb) { - DCHECK(file_util::DirectoryExists(src_dir)); - - zipFile zip_file = internal::OpenForZipping(dest_file.AsUTF8Unsafe(), - APPEND_STATUS_CREATE); - - if (!zip_file) { - DLOG(WARNING) << "couldn't create file " << dest_file.value(); - return false; - } - - bool success = true; - file_util::FileEnumerator file_enumerator(src_dir, true /* recursive */, - file_util::FileEnumerator::FILES | - file_util::FileEnumerator::DIRECTORIES); - for (base::FilePath path = file_enumerator.Next(); !path.value().empty(); - path = file_enumerator.Next()) { - if (!filter_cb.Run(path)) { - continue; - } - - if (!AddEntryToZip(zip_file, path, src_dir)) { - success = false; - return false; - } - } - - if (ZIP_OK != zipClose(zip_file, NULL)) { - DLOG(ERROR) << "Error closing zip file " << dest_file.value(); - return false; - } - - return success; -} - -bool Zip(const base::FilePath& src_dir, const base::FilePath& dest_file, - bool include_hidden_files) { - if (include_hidden_files) { - return ZipWithFilterCallback( - src_dir, dest_file, base::Bind(&ExcludeNoFilesFilter)); - } else { - return ZipWithFilterCallback( - src_dir, dest_file, base::Bind(&ExcludeHiddenFilesFilter)); - } -} - -#if defined(OS_POSIX) -bool ZipFiles(const base::FilePath& src_dir, - const std::vector<base::FilePath>& src_relative_paths, - int dest_fd) { - DCHECK(file_util::DirectoryExists(src_dir)); - zipFile zip_file = internal::OpenFdForZipping(dest_fd, APPEND_STATUS_CREATE); - - if (!zip_file) { - DLOG(ERROR) << "couldn't create file for fd " << dest_fd; - return false; - } - - bool success = true; - for (std::vector<base::FilePath>::const_iterator iter = - src_relative_paths.begin(); - iter != src_relative_paths.end(); ++iter) { - const base::FilePath& path = src_dir.Append(*iter); - if (!AddEntryToZip(zip_file, path, src_dir)) { - // TODO(hshi): clean up the partial zip file when error occurs. - success = false; - break; - } - } - - if (ZIP_OK != zipClose(zip_file, NULL)) { - DLOG(ERROR) << "Error closing zip file for fd " << dest_fd; - success = false; - } - - return success; -} -#endif // defined(OS_POSIX) - -} // namespace zip |