Add sha256 and hmac-sha256 functions

3rdparty/sha2/CMakeLists.txt

@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 2.6)
+
+add_library(sha2 STATIC sha2.c)

3rdparty/sha2/sha2.h

@@ -0,0 +1,197 @@
+/*
+ * FILE:	sha2.h
+ * AUTHOR:	Aaron D. Gifford - http://www.aarongifford.com/
+ * 
+ * Copyright (c) 2000-2001, Aaron D. Gifford
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name of the copyright holder nor the names of contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``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 AUTHOR OR CONTRIBUTOR(S) 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.
+ *
+ * $Id: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
+ */
+
+#ifndef __SHA2_H__
+#define __SHA2_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/*
+ * Import u_intXX_t size_t type definitions from system headers.  You
+ * may need to change this, or define these things yourself in this
+ * file.
+ */
+#include <sys/types.h>
+
+#ifdef SHA2_USE_INTTYPES_H
+
+#include <inttypes.h>
+
+#endif /* SHA2_USE_INTTYPES_H */
+
+
+/*** SHA-256/384/512 Various Length Definitions ***********************/
+#define SHA256_BLOCK_LENGTH		64
+#define SHA256_DIGEST_LENGTH		32
+#define SHA256_DIGEST_STRING_LENGTH	(SHA256_DIGEST_LENGTH * 2 + 1)
+#define SHA384_BLOCK_LENGTH		128
+#define SHA384_DIGEST_LENGTH		48
+#define SHA384_DIGEST_STRING_LENGTH	(SHA384_DIGEST_LENGTH * 2 + 1)
+#define SHA512_BLOCK_LENGTH		128
+#define SHA512_DIGEST_LENGTH		64
+#define SHA512_DIGEST_STRING_LENGTH	(SHA512_DIGEST_LENGTH * 2 + 1)
+
+
+/*** SHA-256/384/512 Context Structures *******************************/
+/* NOTE: If your architecture does not define either u_intXX_t types or
+ * uintXX_t (from inttypes.h), you may need to define things by hand
+ * for your system:
+ */
+#if 0
+typedef unsigned char u_int8_t;		/* 1-byte  (8-bits)  */
+typedef unsigned int u_int32_t;		/* 4-bytes (32-bits) */
+typedef unsigned long long u_int64_t;	/* 8-bytes (64-bits) */
+#endif
+/*
+ * Most BSD systems already define u_intXX_t types, as does Linux.
+ * Some systems, however, like Compaq's Tru64 Unix instead can use
+ * uintXX_t types defined by very recent ANSI C standards and included
+ * in the file:
+ *
+ *   #include <inttypes.h>
+ *
+ * If you choose to use <inttypes.h> then please define: 
+ *
+ *   #define SHA2_USE_INTTYPES_H
+ *
+ * Or on the command line during compile:
+ *
+ *   cc -DSHA2_USE_INTTYPES_H ...
+ */
+#ifdef SHA2_USE_INTTYPES_H
+
+typedef struct _SHA256_CTX {
+	uint32_t	state[8];
+	uint64_t	bitcount;
+	uint8_t	buffer[SHA256_BLOCK_LENGTH];
+} SHA256_CTX;
+typedef struct _SHA512_CTX {
+	uint64_t	state[8];
+	uint64_t	bitcount[2];
+	uint8_t	buffer[SHA512_BLOCK_LENGTH];
+} SHA512_CTX;
+
+#else /* SHA2_USE_INTTYPES_H */
+
+typedef struct _SHA256_CTX {
+	u_int32_t	state[8];
+	u_int64_t	bitcount;
+	u_int8_t	buffer[SHA256_BLOCK_LENGTH];
+} SHA256_CTX;
+typedef struct _SHA512_CTX {
+	u_int64_t	state[8];
+	u_int64_t	bitcount[2];
+	u_int8_t	buffer[SHA512_BLOCK_LENGTH];
+} SHA512_CTX;
+
+#endif /* SHA2_USE_INTTYPES_H */
+
+typedef SHA512_CTX SHA384_CTX;
+
+
+/*** SHA-256/384/512 Function Prototypes ******************************/
+#ifndef NOPROTO
+#ifdef SHA2_USE_INTTYPES_H
+
+void SHA256_Init(SHA256_CTX *);
+void SHA256_Update(SHA256_CTX*, const uint8_t*, size_t);
+void SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
+char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
+char* SHA256_Data(const uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
+
+void SHA384_Init(SHA384_CTX*);
+void SHA384_Update(SHA384_CTX*, const uint8_t*, size_t);
+void SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
+char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
+char* SHA384_Data(const uint8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
+
+void SHA512_Init(SHA512_CTX*);
+void SHA512_Update(SHA512_CTX*, const uint8_t*, size_t);
+void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
+char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
+char* SHA512_Data(const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
+
+#else /* SHA2_USE_INTTYPES_H */
+
+void SHA256_Init(SHA256_CTX *);
+void SHA256_Update(SHA256_CTX*, const u_int8_t*, size_t);
+void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
+char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
+char* SHA256_Data(const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
+
+void SHA384_Init(SHA384_CTX*);
+void SHA384_Update(SHA384_CTX*, const u_int8_t*, size_t);
+void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
+char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
+char* SHA384_Data(const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
+
+void SHA512_Init(SHA512_CTX*);
+void SHA512_Update(SHA512_CTX*, const u_int8_t*, size_t);
+void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
+char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
+char* SHA512_Data(const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
+
+#endif /* SHA2_USE_INTTYPES_H */
+
+#else /* NOPROTO */
+
+void SHA256_Init();
+void SHA256_Update();
+void SHA256_Final();
+char* SHA256_End();
+char* SHA256_Data();
+
+void SHA384_Init();
+void SHA384_Update();
+void SHA384_Final();
+char* SHA384_End();
+char* SHA384_Data();
+
+void SHA512_Init();
+void SHA512_Update();
+void SHA512_Final();
+char* SHA512_End();
+char* SHA512_Data();
+
+#endif /* NOPROTO */
+
+#ifdef	__cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __SHA2_H__ */
+

CMakeLists.txt

@@ -348,6 +348,7 @@ if (WIN32)
   add_subdirectory(3rdparty/qtwin)
 endif (WIN32)
 add_subdirectory(3rdparty/echoprint-codegen)
+add_subdirectory(3rdparty/sha2)
 add_subdirectory(3rdparty/universalchardet)
 add_subdirectory(tests)
 add_subdirectory(dist)

debian/copyright

@@ -102,6 +102,10 @@ License: SPMediaKeyTapLicense
   .
   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 HOLDER 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.
 
+Files: 3rdparty/sha2/*
+Copyright: 2000-2001, Aaron D. Gifford
+License: BSD
+
 License: LGPL-2.1
   This library is free software; you can redistribute it and/or modify it
   under the terms of the GNU Lesser General Public License, version 2.1, as
@@ -210,6 +214,31 @@ License: BSD-Nokia
   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+License: BSD
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. 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.
+  3. Neither the name of the copyright holder nor the names of contributors
+     may be used to endorse or promote products derived from this software
+     without specific prior written permission.
+  ·
+  THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``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 AUTHOR OR CONTRIBUTOR(S) 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.
+
 License: Qt Commercial
   Licensees holding valid Qt Commercial licenses may use this file in
   accordance with the Qt Commercial License Agreement provided with the

src/CMakeLists.txt

@@ -12,6 +12,7 @@ endif(BUILD_WERROR)
 
 include_directories(${CMAKE_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
 include_directories(../3rdparty/gmock/gtest/include)
+include_directories(../3rdparty/sha2)
 if(WIN32)
   include_directories(../3rdparty/qtwin)
 endif(WIN32)
@@ -91,6 +92,7 @@ set(SOURCES
   covers/albumcoverfetcher.cpp
   covers/albumcoverfetchersearch.cpp
   covers/albumcoverloader.cpp
+  covers/amazoncoverprovider.cpp
   covers/artloader.cpp
   covers/coverprovider.cpp
   covers/coverproviders.cpp
@@ -314,6 +316,7 @@ set(HEADERS
   covers/albumcoverfetcher.h
   covers/albumcoverfetchersearch.h
   covers/albumcoverloader.h
+  covers/amazoncoverprovider.h
   covers/artloader.h
   covers/coverprovider.h
   covers/coverproviders.h
@@ -948,6 +951,7 @@ add_dependencies(clementine_lib pot)
 target_link_libraries(clementine_lib
   chardet
   echoprint
+  sha2
   ${ECHONEST_LIBRARIES}
   ${GOBJECT_LIBRARIES}
   ${GLIB_LIBRARIES}

src/core/utilities.cpp

@@ -19,6 +19,8 @@
 #include "utilities.h"
 #include "core/logging.h"
 
+#include "sha2.h"
+
 #include <QCoreApplication>
 #include <QDateTime>
 #include <QDesktopServices>
@@ -300,6 +302,33 @@ void OpenInFileBrowser(const QStringList& filenames) {
   }
 }
 
+QByteArray HmacSha256(const QByteArray& key, const QByteArray& data) {
+  const int kBlockSize = 64; // bytes
+  Q_ASSERT(key.length() <= kBlockSize);
+
+  QByteArray inner_padding(kBlockSize, char(0x36));
+  QByteArray outer_padding(kBlockSize, char(0x5c));
+
+  for (int i=0 ; i<key.length() ; ++i) {
+    inner_padding[i] = inner_padding[i] ^ key[i];
+    outer_padding[i] = outer_padding[i] ^ key[i];
+  }
+
+  return Sha256(outer_padding + Sha256(inner_padding + data));
+}
+
+QByteArray Sha256(const QByteArray& data) {
+  SHA256_CTX context;
+  SHA256_Init(&context);
+  SHA256_Update(&context, reinterpret_cast<const u_int8_t*>(data.constData()),
+                data.length());
+
+  QByteArray ret(SHA256_DIGEST_LENGTH, '\0');
+  SHA256_Final(reinterpret_cast<u_int8_t*>(ret.data()), &context);
+
+  return ret;
+}
+
 }  // namespace Utilities
 
 

src/core/utilities.h

@@ -47,6 +47,9 @@ namespace Utilities {
 
   void OpenInFileBrowser(const QStringList& filenames);
 
+  QByteArray HmacSha256(const QByteArray& key, const QByteArray& data);
+  QByteArray Sha256(const QByteArray& data);
+
 
   enum ConfigPath {
     Path_Root,