Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "flatten/Archive.h" |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 18 | |
Adam Lesinski | a40e972 | 2015-11-24 19:11:46 -0800 | [diff] [blame] | 19 | #include <cstdio> |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 20 | #include <memory> |
| 21 | #include <string> |
| 22 | #include <vector> |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 23 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 24 | #include "android-base/macros.h" |
Adam Lesinski | d5083f6 | 2017-01-16 15:07:21 -0800 | [diff] [blame] | 25 | #include "androidfw/StringPiece.h" |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 26 | #include "ziparchive/zip_writer.h" |
| 27 | |
| 28 | #include "util/Files.h" |
Adam Lesinski | d5083f6 | 2017-01-16 15:07:21 -0800 | [diff] [blame] | 29 | |
| 30 | using android::StringPiece; |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 31 | |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 32 | namespace aapt { |
| 33 | |
| 34 | namespace { |
| 35 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 36 | class DirectoryWriter : public IArchiveWriter { |
| 37 | public: |
| 38 | DirectoryWriter() = default; |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 39 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 40 | bool Open(IDiagnostics* diag, const StringPiece& out_dir) { |
Adam Lesinski | d5083f6 | 2017-01-16 15:07:21 -0800 | [diff] [blame] | 41 | dir_ = out_dir.to_string(); |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 42 | file::FileType type = file::GetFileType(dir_); |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 43 | if (type == file::FileType::kNonexistant) { |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 44 | diag->Error(DiagMessage() << "directory " << dir_ << " does not exist"); |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 45 | return false; |
| 46 | } else if (type != file::FileType::kDirectory) { |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 47 | diag->Error(DiagMessage() << dir_ << " is not a directory"); |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 48 | return false; |
| 49 | } |
| 50 | return true; |
| 51 | } |
| 52 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 53 | bool StartEntry(const StringPiece& path, uint32_t flags) override { |
| 54 | if (file_) { |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 55 | return false; |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 56 | } |
| 57 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 58 | std::string full_path = dir_; |
| 59 | file::AppendPath(&full_path, path); |
| 60 | file::mkdirs(file::GetStem(full_path)); |
Adam Lesinski | a40e972 | 2015-11-24 19:11:46 -0800 | [diff] [blame] | 61 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 62 | file_ = {fopen(full_path.data(), "wb"), fclose}; |
| 63 | if (!file_) { |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 64 | return false; |
| 65 | } |
| 66 | return true; |
| 67 | } |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 68 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 69 | bool WriteEntry(const BigBuffer& buffer) override { |
| 70 | if (!file_) { |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 71 | return false; |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 72 | } |
| 73 | |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 74 | for (const BigBuffer::Block& b : buffer) { |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 75 | if (fwrite(b.buffer.get(), 1, b.size, file_.get()) != b.size) { |
| 76 | file_.reset(nullptr); |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 77 | return false; |
| 78 | } |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 79 | } |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 80 | return true; |
| 81 | } |
| 82 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 83 | bool WriteEntry(const void* data, size_t len) override { |
| 84 | if (fwrite(data, 1, len, file_.get()) != len) { |
| 85 | file_.reset(nullptr); |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 86 | return false; |
| 87 | } |
| 88 | return true; |
| 89 | } |
| 90 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 91 | bool FinishEntry() override { |
| 92 | if (!file_) { |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 93 | return false; |
| 94 | } |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 95 | file_.reset(nullptr); |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 96 | return true; |
| 97 | } |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 98 | |
| 99 | private: |
| 100 | DISALLOW_COPY_AND_ASSIGN(DirectoryWriter); |
| 101 | |
| 102 | std::string dir_; |
| 103 | std::unique_ptr<FILE, decltype(fclose)*> file_ = {nullptr, fclose}; |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 104 | }; |
| 105 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 106 | class ZipFileWriter : public IArchiveWriter { |
| 107 | public: |
| 108 | ZipFileWriter() = default; |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 109 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 110 | bool Open(IDiagnostics* diag, const StringPiece& path) { |
| 111 | file_ = {fopen(path.data(), "w+b"), fclose}; |
| 112 | if (!file_) { |
| 113 | diag->Error(DiagMessage() << "failed to Open " << path << ": " |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 114 | << strerror(errno)); |
| 115 | return false; |
| 116 | } |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 117 | writer_ = util::make_unique<ZipWriter>(file_.get()); |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 118 | return true; |
| 119 | } |
| 120 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 121 | bool StartEntry(const StringPiece& path, uint32_t flags) override { |
| 122 | if (!writer_) { |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 123 | return false; |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 124 | } |
| 125 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 126 | size_t zip_flags = 0; |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 127 | if (flags & ArchiveEntry::kCompress) { |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 128 | zip_flags |= ZipWriter::kCompress; |
Adam Lesinski | a40e972 | 2015-11-24 19:11:46 -0800 | [diff] [blame] | 129 | } |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 130 | |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 131 | if (flags & ArchiveEntry::kAlign) { |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 132 | zip_flags |= ZipWriter::kAlign32; |
Adam Lesinski | a40e972 | 2015-11-24 19:11:46 -0800 | [diff] [blame] | 133 | } |
| 134 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 135 | int32_t result = writer_->StartEntry(path.data(), zip_flags); |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 136 | if (result != 0) { |
| 137 | return false; |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 138 | } |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 139 | return true; |
| 140 | } |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 141 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 142 | bool WriteEntry(const void* data, size_t len) override { |
| 143 | int32_t result = writer_->WriteBytes(data, len); |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 144 | if (result != 0) { |
| 145 | return false; |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 146 | } |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 147 | return true; |
| 148 | } |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 149 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 150 | bool WriteEntry(const BigBuffer& buffer) override { |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 151 | for (const BigBuffer::Block& b : buffer) { |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 152 | int32_t result = writer_->WriteBytes(b.buffer.get(), b.size); |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 153 | if (result != 0) { |
| 154 | return false; |
| 155 | } |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 156 | } |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 157 | return true; |
| 158 | } |
| 159 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 160 | bool FinishEntry() override { |
| 161 | int32_t result = writer_->FinishEntry(); |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 162 | if (result != 0) { |
| 163 | return false; |
| 164 | } |
| 165 | return true; |
| 166 | } |
| 167 | |
| 168 | virtual ~ZipFileWriter() { |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 169 | if (writer_) { |
| 170 | writer_->Finish(); |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 171 | } |
| 172 | } |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 173 | |
| 174 | private: |
| 175 | DISALLOW_COPY_AND_ASSIGN(ZipFileWriter); |
| 176 | |
| 177 | std::unique_ptr<FILE, decltype(fclose)*> file_ = {nullptr, fclose}; |
| 178 | std::unique_ptr<ZipWriter> writer_; |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 179 | }; |
| 180 | |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 181 | } // namespace |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 182 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 183 | std::unique_ptr<IArchiveWriter> CreateDirectoryArchiveWriter( |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 184 | IDiagnostics* diag, const StringPiece& path) { |
| 185 | std::unique_ptr<DirectoryWriter> writer = |
| 186 | util::make_unique<DirectoryWriter>(); |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 187 | if (!writer->Open(diag, path)) { |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 188 | return {}; |
| 189 | } |
| 190 | return std::move(writer); |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 191 | } |
| 192 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 193 | std::unique_ptr<IArchiveWriter> CreateZipFileArchiveWriter( |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 194 | IDiagnostics* diag, const StringPiece& path) { |
| 195 | std::unique_ptr<ZipFileWriter> writer = util::make_unique<ZipFileWriter>(); |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 196 | if (!writer->Open(diag, path)) { |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 197 | return {}; |
| 198 | } |
| 199 | return std::move(writer); |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 200 | } |
| 201 | |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 202 | } // namespace aapt |