Mercurial > hg > orthanc
annotate OrthancFramework/Sources/Compression/ZipWriter.cpp @ 4544:ae63b301d522 Orthanc-1.7.4
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 02 Mar 2021 16:52:26 +0100 |
| parents | bf7b9edf6b81 |
| children | 3b70a2e6a06c |
| rev | line source |
|---|---|
| 136 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
| 136 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
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8 * modify it under the terms of the GNU Lesser General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
| 136 | 11 * |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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15 * Lesser General Public License for more details. |
| 136 | 16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
| 136 | 20 **/ |
| 21 | |
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22 |
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23 #include "../PrecompiledHeaders.h" |
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24 |
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25 #ifndef NOMINMAX |
| 568 | 26 #define NOMINMAX |
| 27 #endif | |
| 136 | 28 |
| 81 | 29 #include "ZipWriter.h" |
| 30 | |
| 1278 | 31 #include <limits> |
| 32 #include <boost/filesystem.hpp> | |
| 81 | 33 #include <boost/date_time/posix_time/posix_time.hpp> |
| 34 | |
| 1278 | 35 #include "../../Resources/ThirdParty/minizip/zip.h" |
| 81 | 36 #include "../OrthancException.h" |
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37 #include "../Logging.h" |
| 81 | 38 |
| 39 | |
| 40 static void PrepareFileInfo(zip_fileinfo& zfi) | |
| 41 { | |
| 42 memset(&zfi, 0, sizeof(zfi)); | |
| 43 | |
| 44 using namespace boost::posix_time; | |
| 45 ptime now = second_clock::local_time(); | |
| 46 | |
| 47 boost::gregorian::date today = now.date(); | |
| 48 ptime midnight(today); | |
| 49 | |
| 50 time_duration sinceMidnight = now - midnight; | |
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51 zfi.tmz_date.tm_sec = static_cast<unsigned int>(sinceMidnight.seconds()); // seconds after the minute - [0,59] |
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52 zfi.tmz_date.tm_min = static_cast<unsigned int>(sinceMidnight.minutes()); // minutes after the hour - [0,59] |
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53 zfi.tmz_date.tm_hour = static_cast<unsigned int>(sinceMidnight.hours()); // hours since midnight - [0,23] |
| 81 | 54 |
| 55 // http://www.boost.org/doc/libs/1_35_0/doc/html/boost/gregorian/greg_day.html | |
| 56 zfi.tmz_date.tm_mday = today.day(); // day of the month - [1,31] | |
| 57 | |
| 58 // http://www.boost.org/doc/libs/1_35_0/doc/html/boost/gregorian/greg_month.html | |
| 59 zfi.tmz_date.tm_mon = today.month() - 1; // months since January - [0,11] | |
| 60 | |
| 61 // http://www.boost.org/doc/libs/1_35_0/doc/html/boost/gregorian/greg_year.html | |
| 62 zfi.tmz_date.tm_year = today.year(); // years - [1980..2044] | |
| 63 } | |
| 64 | |
| 65 | |
| 66 | |
| 67 namespace Orthanc | |
| 68 { | |
| 69 struct ZipWriter::PImpl | |
| 70 { | |
| 71 zipFile file_; | |
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72 |
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73 PImpl() : file_(NULL) |
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74 { |
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75 } |
| 81 | 76 }; |
| 77 | |
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78 ZipWriter::ZipWriter() : |
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79 pimpl_(new PImpl), |
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80 isZip64_(false), |
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81 hasFileInZip_(false), |
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82 append_(false), |
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83 compressionLevel_(6) |
| 81 | 84 { |
| 85 } | |
| 86 | |
| 87 ZipWriter::~ZipWriter() | |
| 88 { | |
| 89 Close(); | |
| 90 } | |
| 91 | |
| 92 void ZipWriter::Close() | |
| 93 { | |
| 94 if (IsOpen()) | |
| 95 { | |
| 96 zipClose(pimpl_->file_, "Created by Orthanc"); | |
| 97 pimpl_->file_ = NULL; | |
| 98 hasFileInZip_ = false; | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 bool ZipWriter::IsOpen() const | |
| 103 { | |
| 104 return pimpl_->file_ != NULL; | |
| 105 } | |
| 106 | |
| 107 void ZipWriter::Open() | |
| 108 { | |
| 109 if (IsOpen()) | |
| 110 { | |
| 111 return; | |
| 112 } | |
| 113 | |
| 114 if (path_.size() == 0) | |
| 115 { | |
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116 throw OrthancException(ErrorCode_BadSequenceOfCalls, |
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117 "Please call SetOutputPath() before creating the file"); |
| 81 | 118 } |
| 119 | |
| 120 hasFileInZip_ = false; | |
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121 |
| 1278 | 122 int mode = APPEND_STATUS_CREATE; |
| 123 if (append_ && | |
| 124 boost::filesystem::exists(path_)) | |
| 125 { | |
| 126 mode = APPEND_STATUS_ADDINZIP; | |
| 127 } | |
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128 |
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129 if (isZip64_) |
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130 { |
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131 pimpl_->file_ = zipOpen64(path_.c_str(), mode); |
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132 } |
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133 else |
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134 { |
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135 pimpl_->file_ = zipOpen(path_.c_str(), mode); |
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136 } |
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137 |
| 81 | 138 if (!pimpl_->file_) |
| 139 { | |
| 3184 | 140 throw OrthancException(ErrorCode_CannotWriteFile, |
| 141 "Cannot create new ZIP archive: " + path_); | |
| 81 | 142 } |
| 143 } | |
| 144 | |
| 145 void ZipWriter::SetOutputPath(const char* path) | |
| 146 { | |
| 147 Close(); | |
| 148 path_ = path; | |
| 149 } | |
| 150 | |
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151 void ZipWriter::SetZip64(bool isZip64) |
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152 { |
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153 Close(); |
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154 isZip64_ = isZip64; |
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155 } |
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156 |
| 81 | 157 void ZipWriter::SetCompressionLevel(uint8_t level) |
| 158 { | |
| 159 if (level >= 10) | |
| 160 { | |
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161 throw OrthancException(ErrorCode_ParameterOutOfRange, |
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162 "ZIP compression level must be between 0 (no compression) " |
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163 "and 9 (highest compression)"); |
| 81 | 164 } |
| 165 | |
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166 Close(); |
| 81 | 167 compressionLevel_ = level; |
| 168 } | |
| 169 | |
| 249 | 170 void ZipWriter::OpenFile(const char* path) |
| 81 | 171 { |
| 172 Open(); | |
| 173 | |
| 174 zip_fileinfo zfi; | |
| 175 PrepareFileInfo(zfi); | |
| 176 | |
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177 int result; |
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178 |
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179 if (isZip64_) |
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180 { |
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181 result = zipOpenNewFileInZip64(pimpl_->file_, path, |
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182 &zfi, |
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183 NULL, 0, |
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184 NULL, 0, |
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185 "", // Comment |
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186 Z_DEFLATED, |
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187 compressionLevel_, 1); |
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188 } |
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189 else |
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190 { |
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191 result = zipOpenNewFileInZip(pimpl_->file_, path, |
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192 &zfi, |
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193 NULL, 0, |
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194 NULL, 0, |
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195 "", // Comment |
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196 Z_DEFLATED, |
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197 compressionLevel_); |
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198 } |
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199 |
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200 if (result != 0) |
| 81 | 201 { |
| 3184 | 202 throw OrthancException(ErrorCode_CannotWriteFile, |
| 203 "Cannot add new file inside ZIP archive: " + std::string(path)); | |
| 81 | 204 } |
| 205 | |
| 206 hasFileInZip_ = true; | |
| 207 } | |
| 208 | |
| 209 | |
| 210 void ZipWriter::Write(const std::string& data) | |
| 211 { | |
| 212 if (data.size()) | |
| 213 { | |
| 214 Write(&data[0], data.size()); | |
| 215 } | |
| 216 } | |
| 217 | |
| 218 | |
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219 void ZipWriter::Write(const void* data, size_t length) |
| 81 | 220 { |
| 221 if (!hasFileInZip_) | |
| 222 { | |
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223 throw OrthancException(ErrorCode_BadSequenceOfCalls, "Call first OpenFile()"); |
| 81 | 224 } |
| 225 | |
| 226 const size_t maxBytesInAStep = std::numeric_limits<int32_t>::max(); | |
| 227 | |
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228 const char* p = reinterpret_cast<const char*>(data); |
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229 |
| 81 | 230 while (length > 0) |
| 231 { | |
| 232 int bytes = static_cast<int32_t>(length <= maxBytesInAStep ? length : maxBytesInAStep); | |
| 233 | |
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234 if (zipWriteInFileInZip(pimpl_->file_, p, bytes)) |
| 81 | 235 { |
| 3184 | 236 throw OrthancException(ErrorCode_CannotWriteFile, |
| 237 "Cannot write data to ZIP archive: " + path_); | |
| 81 | 238 } |
| 239 | |
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simplified IDicomTranscoder
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240 p += bytes; |
| 81 | 241 length -= bytes; |
| 242 } | |
| 243 } | |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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244 |
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parents:
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245 |
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primitives to add new content to existing ZIP files
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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246 void ZipWriter::SetAppendToExisting(bool append) |
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primitives to add new content to existing ZIP files
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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247 { |
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primitives to add new content to existing ZIP files
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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248 Close(); |
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primitives to add new content to existing ZIP files
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
950
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249 append_ = append; |
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primitives to add new content to existing ZIP files
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
950
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250 } |
| 81 | 251 } |