1 /* <!-- copyright */ 2 /* 3 * aria2 - The high speed download utility 4 * 5 * Copyright (C) 2015 Tatsuhiro Tsujikawa 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 * 21 * In addition, as a special exception, the copyright holders give 22 * permission to link the code of portions of this program with the 23 * OpenSSL library under certain conditions as described in each 24 * individual source file, and distribute linked combinations 25 * including the two. 26 * You must obey the GNU General Public License in all respects 27 * for all of the code used other than OpenSSL. If you modify 28 * file(s) with this exception, you may extend this exception to your 29 * version of the file(s), but you are not obligated to do so. If you 30 * do not wish to do so, delete this exception statement from your 31 * version. If you delete this exception statement from all source 32 * files in the program, then also delete it here. 33 */ 34 /* copyright --> */ 35 #ifndef D_SHA1_IO_FILE_H 36 #define D_SHA1_IO_FILE_H 37 38 #include "IOFile.h" 39 #include "MessageDigest.h" 40 41 #include <memory> 42 43 namespace aria2 { 44 45 // Class to calculate SHA1 hash value for data written into this 46 // object. No file I/O is done in this class. 47 class SHA1IOFile : public IOFile { 48 public: 49 SHA1IOFile(); 50 51 std::string digest(); 52 53 protected: 54 // Not implemented 55 virtual size_t onRead(void* ptr, size_t count) CXX11_OVERRIDE; 56 virtual size_t onWrite(const void* ptr, size_t count) CXX11_OVERRIDE; 57 // Not implemented 58 virtual char* onGets(char* s, int size) CXX11_OVERRIDE; 59 virtual int onVprintf(const char* format, va_list va) CXX11_OVERRIDE; 60 virtual int onFlush() CXX11_OVERRIDE; 61 virtual int onClose() CXX11_OVERRIDE; 62 virtual bool onSupportsColor() CXX11_OVERRIDE; 63 virtual bool isError() const CXX11_OVERRIDE; 64 virtual bool isEOF() const CXX11_OVERRIDE; 65 virtual bool isOpen() const CXX11_OVERRIDE; 66 67 private: 68 std::unique_ptr<MessageDigest> sha1_; 69 }; 70 } // namespace aria2 71 72 #endif // D_SHA1_IO_FILE_H 73