From 44de5fb4283ebc1e16ff0b75c9aa720478a4392d Mon Sep 17 00:00:00 2001 From: Tobias Rundstrom Date: Fri, 3 Mar 2006 17:24:59 -0300 Subject: [PATCH] MD5 medialib names. --- Medialib.cpp | 28 ++++- promoe.pro | 6 +- qtmd5.cpp | 348 +++++++++++++++++++++++++++++++++++++++++++++++++++ qtmd5.h | 56 +++++++++ 4 files changed, 431 insertions(+), 7 deletions(-) create mode 100644 qtmd5.cpp create mode 100644 qtmd5.h diff --git a/Medialib.cpp b/Medialib.cpp index 8fa27ad..22c2a3d 100644 --- a/Medialib.cpp +++ b/Medialib.cpp @@ -4,6 +4,8 @@ #include #include #include +#include +#include "qtmd5.h" MedialibWindow::MedialibWindow (QWidget *parent) : QMainWindow (parent) { @@ -40,6 +42,11 @@ MedialibList::MedialibList (QWidget *parent) : QListWidget (parent) setIconSize (QSize (85, 85)); + QDir dir (QDir::homePath ()+"/.xmms2/clients/generic/art/"); + if (!dir.exists()) { + dir.mkpath (dir.path ()); + } + xmmsh->medialibQuery ("select distinct m1.value as artist, ifnull(m2.value,'[unknown]') as album, m4.value as image from Media m1 left join Media m2 on m1.id = m2.id and m2.key='album' left join Media m3 on m1.id = m3.id and m3.key='compilation' left join Media m4 on m4.id = m1.id and m4.key='album_front_small' where m1.key='artist' and m3.value is null"); connect (xmmsh, SIGNAL (medialibResponse (QList >)), @@ -86,8 +93,18 @@ MedialibList::httpDone (int id, bool error) QFile *f = it->getFile (); f->close (); + QString newname (QDir::homePath()+"/.xmms2/clients/generic/art/"+(f->fileName ().section("/", -1))); + qDebug ("new path %s", qPrintable (newname)); + f->rename (newname); + f->setFileName (newname); + QIcon ico (f->fileName ()); - it->setIcon (ico); + if (!ico.isNull()) { + it->setIcon (ico); + } else { + qDebug ("removing %s", qPrintable (f->fileName())); + f->remove (); + } delete f; m_httpmap->remove (id); @@ -115,9 +132,10 @@ MedialibList::queryCallback (QList >l) if (h.contains ("image")) { - QString name = h.value("artist")+"-"+h.value("album")+".jpg"; + QString name = qtMD5 ((h.value("artist").toLower()+"-"+h.value("album").toLower()).toUtf8()); + QString fname (QDir::homePath () +"/.xmms2/clients/generic/art/"+name+".jpg"); - if (!QFile::exists (name)) { + if (!QFile::exists (fname)) { QUrl url (h.value("image")); m_http->setHost (url.host(), url.port() != -1 ? url.port() : 80); @@ -125,7 +143,7 @@ MedialibList::queryCallback (QList >l) m_http->setUser (url.userName(), url.password()); } - QFile *file = new QFile (h.value("artist")+"-"+h.value("album")+".jpg"); + QFile *file = new QFile ("/tmp/"+name+".jpg"); file->open(QIODevice::WriteOnly); item->setFile (file); @@ -133,7 +151,7 @@ MedialibList::queryCallback (QList >l) int id = m_http->get (url.path(), file); m_httpmap->insert (id, item); } else { - QIcon ico (name); + QIcon ico (fname); item->setIcon (ico); } diff --git a/promoe.pro b/promoe.pro index 1a2448a..4364db1 100644 --- a/promoe.pro +++ b/promoe.pro @@ -18,7 +18,8 @@ SOURCES += XmmsQT4.cpp \ PlaylistList.cpp \ SkinChooser.cpp \ PlaylistShade.cpp \ - Medialib.cpp + Medialib.cpp \ + qtmd5.cpp HEADERS += XmmsQT4.h \ PixWidget.h \ @@ -40,7 +41,8 @@ HEADERS += XmmsQT4.h \ PlaylistList.h \ SkinChooser.h \ PlaylistShade.h \ - Medialib.h + Medialib.h \ + qtmd5.h RESOURCES = promoe.qrc diff --git a/qtmd5.cpp b/qtmd5.cpp new file mode 100644 index 0000000..8f0a5fb --- /dev/null +++ b/qtmd5.cpp @@ -0,0 +1,348 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2006 Trolltech AS. All rights reserved. +** +** This file is part of the qmake application of the Qt Toolkit. +** +** This file may be used under the terms of the GNU General Public +** License version 2.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of +** this file. Please review the following information to ensure GNU +** General Public Licensing requirements will be met: +** http://www.trolltech.com/products/qt/opensource.html +** +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://www.trolltech.com/products/qt/licensing.html or contact the +** sales department at sales@trolltech.com. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +****************************************************************************/ + +/* + Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All + rights reserved. + + RSA Data Security, Inc. makes no representations concerning either + the merchantability of this software or the suitability of this + software for any particular purpose. It is provided "as is" + without express or implied warranty of any kind. + + License to copy and use this software is granted provided that it + is identified as the "RSA Data Security, Inc. MD5 Message-Digest + Algorithm" in all material mentioning or referencing this software + or this function. + + License is also granted to make and use derivative works provided + that such works are identified as "derived from the RSA Data + Security, Inc. MD5 Message-Digest Algorithm" in all material + mentioning or referencing the derived work. + + These notices must be retained in any copies of any part of this + documentation and/or software. +*/ + +#include "qtmd5.h" + +typedef unsigned char *POINTER; +typedef unsigned short int UINT2; +typedef unsigned long int UINT4; + +typedef struct { + UINT4 state[4]; // state(ABCD) + UINT4 count[2]; // number of bits, modulo 2^64(lsb first) + unsigned char buffer[64]; // input buffer +} MD5_CTX; + +static void MD5Init(MD5_CTX *); +static void MD5Update(MD5_CTX *, unsigned char *, unsigned int); +static void MD5Final(unsigned char [16], MD5_CTX *); +static void MD5Transform(UINT4[4], unsigned char[64]); +static void Encode(unsigned char *, UINT4 *, unsigned int); +static void Decode(UINT4 *, unsigned char *, unsigned int); +static void MD5_memset(POINTER, int, unsigned int); +static void MD5_memcpy(POINTER output,POINTER input,unsigned int len); + +// Constants for MD5Transform routine. +enum { + S11 = 7, S12 = 12, S13 = 17, S14 = 22, S21 = 5, S22 = 9, S23 = 14, S24 = 20, + S31 = 4, S32 = 11, S33 = 16, S34 = 23, S41 = 6, S42 = 10, S43 = 15, S44 = 21 +}; + +static unsigned char PADDING[64] = { + 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + +// F, G, H and I are basic MD5 functions. +static inline UINT4 F(UINT4 x, UINT4 y, UINT4 z) +{ + return (x & y) |((~x) & z); +} + +static inline UINT4 G(UINT4 x, UINT4 y, UINT4 z) +{ + return (x & z) |(y &(~z)); +} + +static inline UINT4 H(UINT4 x, UINT4 y, UINT4 z) +{ + return x ^ y ^ z; +} + +static inline UINT4 I(UINT4 x, UINT4 y, UINT4 z) +{ + return y ^(x |(~z)); +} + +static inline UINT4 rotateLeft(UINT4 x, UINT4 n) +{ + return (x << n) |(x >>(32-(n))); +} + +// FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4. +// Rotation is separate from addition to prevent recomputation. +static inline void FF(UINT4 &a, UINT4 b, UINT4 c, UINT4 d, UINT4 x, UINT4 s, UINT4 ac) +{ + a += F(b, c, d) + x + ac; + a = rotateLeft(a, s); + a += b; +} + +static inline void GG(UINT4 &a, UINT4 b, UINT4 c, UINT4 d, UINT4 x, UINT4 s, UINT4 ac) +{ + a += G(b, c, d) + x +(UINT4)(ac); + a = rotateLeft(a, s); + a += b; +} + +static inline void HH(UINT4 &a, UINT4 b, UINT4 c, UINT4 d, UINT4 x, UINT4 s, UINT4 ac) +{ + a += H(b, c, d) + x +(UINT4)(ac); + a = rotateLeft(a, s); + a += b; +} + +static inline void II(UINT4 &a, UINT4 b, UINT4 c, UINT4 d, UINT4 x, UINT4 s, UINT4 ac) +{ + a += I(b, c, d) + x +(UINT4)(ac); + a = rotateLeft(a, s); + a += b; +} + +// MD5 initialization. Begins an MD5 operation, writing a new context. +static void MD5Init(MD5_CTX *context) +{ + context->count[0] = context->count[1] = 0; + + // Load magic initialization constants. + context->state[0] = 0x67452301; + context->state[1] = 0xefcdab89; + context->state[2] = 0x98badcfe; + context->state[3] = 0x10325476; +} + +// MD5 block update operation. Continues an MD5 message-digest +// operation, processing another message block, and updating the +// context. +static void MD5Update(MD5_CTX *context, unsigned char *input, unsigned int inputLen) +{ + unsigned int i, index, partLen; + // Compute number of bytes mod 64 + index =(unsigned int)((context->count[0] >> 3) & 0x3F); + + // Update number of bits + if ((context->count[0] +=((UINT4)inputLen << 3)) <((UINT4)inputLen << 3)) + context->count[1]++; + + context->count[1] +=((UINT4)inputLen >> 29); + partLen = 64 - index; + + // Transform as many times as possible. + if (inputLen >= partLen) { + MD5_memcpy((POINTER)&context->buffer[index],(POINTER)input, partLen); + MD5Transform(context->state, context->buffer); + for (i = partLen; i + 63 < inputLen; i += 64) + MD5Transform(context->state, &input[i]); + index = 0; + } else { + i = 0; + } + + // Buffer remaining input + MD5_memcpy((POINTER)&context->buffer[index],(POINTER)&input[i], + inputLen-i); +} + +// MD5 finalization. Ends an MD5 message-digest operation, writing the +// the message digest and zeroizing the context. +static void MD5Final(unsigned char digest[16], MD5_CTX *context) +{ + unsigned char bits[8]; + unsigned int index, padLen; + + // Save number of bits + Encode(bits, context->count, 8); + + // Pad out to 56 mod 64. + index =(unsigned int)((context->count[0] >> 3) & 0x3f); + padLen =(index < 56) ?(56 - index) :(120 - index); + MD5Update(context, PADDING, padLen); + + // Append length(before padding) + MD5Update(context, bits, 8); + + // Store state in digest + Encode(digest, context->state, 16); + + // Zeroize sensitive information. + MD5_memset((POINTER)context, 0, sizeof(*context)); +} + +// MD5 basic transformation. Transforms state based on block. +static void MD5Transform(UINT4 state[4], unsigned char block[64]) +{ + UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16]; + Decode(x, block, 64); + + // Round 1 + FF(a, b, c, d, x[0], S11, 0xd76aa478); /* 1 */ + FF(d, a, b, c, x[1], S12, 0xe8c7b756); /* 2 */ + FF(c, d, a, b, x[2], S13, 0x242070db); /* 3 */ + FF(b, c, d, a, x[3], S14, 0xc1bdceee); /* 4 */ + FF(a, b, c, d, x[4], S11, 0xf57c0faf); /* 5 */ + FF(d, a, b, c, x[5], S12, 0x4787c62a); /* 6 */ + FF(c, d, a, b, x[6], S13, 0xa8304613); /* 7 */ + FF(b, c, d, a, x[7], S14, 0xfd469501); /* 8 */ + FF(a, b, c, d, x[8], S11, 0x698098d8); /* 9 */ + FF(d, a, b, c, x[9], S12, 0x8b44f7af); /* 10 */ + FF(c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */ + FF(b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */ + FF(a, b, c, d, x[12], S11, 0x6b901122); /* 13 */ + FF(d, a, b, c, x[13], S12, 0xfd987193); /* 14 */ + FF(c, d, a, b, x[14], S13, 0xa679438e); /* 15 */ + FF(b, c, d, a, x[15], S14, 0x49b40821); /* 16 */ + + // Round 2 + GG(a, b, c, d, x[1], S21, 0xf61e2562); /* 17 */ + GG(d, a, b, c, x[6], S22, 0xc040b340); /* 18 */ + GG(c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */ + GG(b, c, d, a, x[0], S24, 0xe9b6c7aa); /* 20 */ + GG(a, b, c, d, x[5], S21, 0xd62f105d); /* 21 */ + GG(d, a, b, c, x[10], S22, 0x2441453); /* 22 */ + GG(c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */ + GG(b, c, d, a, x[4], S24, 0xe7d3fbc8); /* 24 */ + GG(a, b, c, d, x[9], S21, 0x21e1cde6); /* 25 */ + GG(d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */ + GG(c, d, a, b, x[3], S23, 0xf4d50d87); /* 27 */ + GG(b, c, d, a, x[8], S24, 0x455a14ed); /* 28 */ + GG(a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */ + GG(d, a, b, c, x[2], S22, 0xfcefa3f8); /* 30 */ + GG(c, d, a, b, x[7], S23, 0x676f02d9); /* 31 */ + GG(b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */ + + // Round 3 + HH(a, b, c, d, x[5], S31, 0xfffa3942); /* 33 */ + HH(d, a, b, c, x[8], S32, 0x8771f681); /* 34 */ + HH(c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */ + HH(b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */ + HH(a, b, c, d, x[1], S31, 0xa4beea44); /* 37 */ + HH(d, a, b, c, x[4], S32, 0x4bdecfa9); /* 38 */ + HH(c, d, a, b, x[7], S33, 0xf6bb4b60); /* 39 */ + HH(b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */ + HH(a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */ + HH(d, a, b, c, x[0], S32, 0xeaa127fa); /* 42 */ + HH(c, d, a, b, x[3], S33, 0xd4ef3085); /* 43 */ + HH(b, c, d, a, x[6], S34, 0x4881d05); /* 44 */ + HH(a, b, c, d, x[9], S31, 0xd9d4d039); /* 45 */ + HH(d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */ + HH(c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */ + HH(b, c, d, a, x[2], S34, 0xc4ac5665); /* 48 */ + + // Round 4 + II(a, b, c, d, x[0], S41, 0xf4292244); /* 49 */ + II(d, a, b, c, x[7], S42, 0x432aff97); /* 50 */ + II(c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */ + II(b, c, d, a, x[5], S44, 0xfc93a039); /* 52 */ + II(a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */ + II(d, a, b, c, x[3], S42, 0x8f0ccc92); /* 54 */ + II(c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */ + II(b, c, d, a, x[1], S44, 0x85845dd1); /* 56 */ + II(a, b, c, d, x[8], S41, 0x6fa87e4f); /* 57 */ + II(d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */ + II(c, d, a, b, x[6], S43, 0xa3014314); /* 59 */ + II(b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */ + II(a, b, c, d, x[4], S41, 0xf7537e82); /* 61 */ + II(d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */ + II(c, d, a, b, x[2], S43, 0x2ad7d2bb); /* 63 */ + II(b, c, d, a, x[9], S44, 0xeb86d391); /* 64 */ + state[0] += a; + state[1] += b; + state[2] += c; + state[3] += d; + + // Zeroize sensitive information. + MD5_memset((POINTER)x, 0, sizeof(x)); +} + +// Encodes input(UINT4) into output(unsigned char). Assumes len is a +// multiple of 4. +static void Encode(unsigned char *output, UINT4 *input, unsigned int len) +{ + unsigned int i, j; + for (i = 0, j = 0; j < len; i++, j += 4) { + output[j] = (unsigned char) (input[i] & 0xff); + output[j+1] = (unsigned char) ((input[i] >> 8) & 0xff); + output[j+2] = (unsigned char) ((input[i] >> 16) & 0xff); + output[j+3] = (unsigned char) ((input[i] >> 24) & 0xff); + } +} + +// Decodes input(unsigned char) into output(UINT4). Assumes len is a +// multiple of 4. +static void Decode(UINT4 *output, unsigned char *input, unsigned int len) +{ + unsigned int i, j; + for (i = 0, j = 0; j < len; i++, j += 4) + output[i] =((UINT4)input[j]) |(((UINT4)input[j+1]) << 8) | + (((UINT4)input[j+2]) << 16) |(((UINT4)input[j+3]) << 24); +} + +// Note: Replace "for loop" with standard memset if possible. +static void MD5_memset(POINTER output, int value, unsigned int len) +{ + unsigned int i; + for (i = 0; i < len; i++) + ((char *)output)[i] =(char)value; +} + +// Note: Replace "for loop" with standard memcpy if possible. +static void MD5_memcpy(POINTER output,POINTER input,unsigned int len) +{ + unsigned int i; + for (i = 0; i < len; i++) + output[i] = input[i]; +} + +void qtMD5(const QByteArray &src, unsigned char *digest) +{ + MD5_CTX context; + + MD5Init(&context); + MD5Update(&context, (unsigned char *) src.data(), src.size()); + MD5Final(digest, &context); +} + +QString qtMD5(const QByteArray &src) +{ + unsigned char digest[16]; + qtMD5(src, digest); + + QString output, tmp; + for (int i = 0; i < 16; ++i) + output += tmp.sprintf("%02x", digest[i]); + return output; +} diff --git a/qtmd5.h b/qtmd5.h new file mode 100644 index 0000000..a72ec69 --- /dev/null +++ b/qtmd5.h @@ -0,0 +1,56 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2006 Trolltech AS. All rights reserved. +** +** This file is part of the qmake application of the Qt Toolkit. +** +** This file may be used under the terms of the GNU General Public +** License version 2.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of +** this file. Please review the following information to ensure GNU +** General Public Licensing requirements will be met: +** http://www.trolltech.com/products/qt/opensource.html +** +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://www.trolltech.com/products/qt/licensing.html or contact the +** sales department at sales@trolltech.com. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +****************************************************************************/ + +/* + Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All + rights reserved. + + RSA Data Security, Inc. makes no representations concerning either + the merchantability of this software or the suitability of this + software for any particular purpose. It is provided "as is" + without express or implied warranty of any kind. + + License to copy and use this software is granted provided that it + is identified as the "RSA Data Security, Inc. MD5 Message-Digest + Algorithm" in all material mentioning or referencing this software + or this function. + + License is also granted to make and use derivative works provided + that such works are identified as "derived from the RSA Data + Security, Inc. MD5 Message-Digest Algorithm" in all material + mentioning or referencing the derived work. + + These notices must be retained in any copies of any part of this + documentation and/or software. +*/ + +#ifndef QTMD5_H +#define QTMD5_H + +#include +#include + +void qtMD5(const QByteArray &src, unsigned char *digest); +QString qtMD5(const QByteArray &src); + +#endif // QTMD5_H