From 4aed2c8219774f5d797760606b8489a92ddc5163 Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- kioslave/cgi/cgi.cpp | 273 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 273 insertions(+) create mode 100644 kioslave/cgi/cgi.cpp (limited to 'kioslave/cgi/cgi.cpp') diff --git a/kioslave/cgi/cgi.cpp b/kioslave/cgi/cgi.cpp new file mode 100644 index 000000000..011760e0b --- /dev/null +++ b/kioslave/cgi/cgi.cpp @@ -0,0 +1,273 @@ +/* + Copyright (C) 2002 Cornelius Schumacher + Copyright 2006 Michael Pyne + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +*/ +#include +#include + +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "cgi.h" + +using namespace KIO; + +CgiProtocol::CgiProtocol( const QCString &pool, const QCString &app ) + : SlaveBase( "cgi", pool, app ) +{ + kdDebug(7124) << "CgiProtocol::CgiProtocol" << endl; + + KConfig cfg( "kcmcgirc" ); + cfg.setGroup( "General" ); + mCgiPaths = cfg.readListEntry( "Paths" ); +} + +CgiProtocol::~CgiProtocol() +{ + kdDebug(7124) << "CgiProtocol::~CgiProtocol" << endl; +} + +/** + * Search in reverse order through a QByteArray for a given character. The position + * of the character is returned, or -1 if it was not found. + */ +static int qByteArrayFindRev( const QByteArray &ba, char c, int startIndex ) +{ + for ( int i = startIndex; i >= 0; --i ) + if ( ba[i] == c ) return i; + + return -1; +} + +/** + * Extract data in ba from start, including no more than len characters from ba. + * Should be exactly comparable to QCString::mid() + */ +static QCString extractQCString( const QByteArray &ba, uint start, uint len = 0xffffffff ) +{ + uint realLen = len; + + if ( ( ba.size() - start ) < len ) + realLen = ba.size() - start; + + return QCString( &ba[ start ], realLen + 1 ); +} + +/** + * Search through a QByteArray for a given string. The position of the string + * is returned, or -1 if it was not found. + */ +static int qByteArrayFindStr( const QByteArray &ba, const char *str ) +{ + int strLen = qstrlen( str ); + int searchLen = ba.size() - strLen; + + for ( int i = 0; i <= searchLen; ++i ) { + QCString temp = extractQCString( ba, i, strLen ); + if ( temp == str ) + return i; + } + + return -1; +} + +void CgiProtocol::get( const KURL& url ) +{ + kdDebug(7124) << "CgiProtocol::get()" << endl; + kdDebug(7124) << " URL: " << url.url() << endl; +#if 0 + kdDebug(7124) << " Path: " << url.path() << endl; + kdDebug(7124) << " Query: " << url.query() << endl; + kdDebug(7124) << " Protocol: " << url.protocol() << endl; + kdDebug(7124) << " Filename: " << url.filename() << endl; +#endif + QCString protocol = "SERVER_PROTOCOL=HTTP"; + putenv( protocol.data() ); + + QCString requestMethod = "REQUEST_METHOD=GET"; + putenv( requestMethod.data() ); + + QCString query = url.query().mid( 1 ).local8Bit(); + query.prepend( "QUERY_STRING=" ); + putenv( query.data() ); + + QString path = url.path(); + + QString file; + + int pos = path.findRev('/'); + if ( pos >= 0 ) file = path.mid( pos + 1 ); + else file = path; + + QString cmd; + + bool stripHeader = false; + bool forwardFile = true; + + QStringList::ConstIterator it; + for( it = mCgiPaths.begin(); it != mCgiPaths.end(); ++it ) { + cmd = *it; + if ( !(*it).endsWith("/") ) + cmd += "/"; + cmd += file; + if ( KStandardDirs::exists( cmd ) ) { + forwardFile = false; + stripHeader = true; + break; + } + } + + FILE *fd; + + if ( forwardFile ) { + kdDebug(7124) << "Forwarding to '" << path << "'" << endl; + + QCString filepath = QFile::encodeName( path ); + + fd = fopen( filepath.data(), "r" ); + + if ( !fd ) { + kdDebug(7124) << "Error opening '" << filepath << "'" << endl; + error( KIO::ERR_CANNOT_OPEN_FOR_READING, filepath ); + return; + } + } else { + kdDebug(7124) << "Cmd: " << cmd << endl; + + fd = popen( QFile::encodeName(KProcess::quote( cmd )).data(), "r" ); + + if ( !fd ) { + kdDebug(7124) << "Error running '" << cmd << "'" << endl; + error( KIO::ERR_CANNOT_OPEN_FOR_READING, cmd ); + return; + } + } + + char buffer[ 4090 ]; + + while ( !feof( fd ) ) + { + int n = fread( buffer, 1, 2048, fd ); + + if ( n == -1 ) + { + // ERROR + if ( forwardFile ) { + fclose( fd ); + } else { + pclose( fd ); + } + return; + } + + buffer[n] = 0; + + if ( stripHeader ) { + QByteArray output; + + // Access the buffer in-place by using setRawData() + output.setRawData( buffer, n ); + + int colon = output.find( ':' ); + int newline = output.find( '\n' ); + int semicolon = qByteArrayFindRev( output, ';', newline ); + int end; + if ( semicolon < 0 ) end = newline; + else end = semicolon; + +#if 0 + kdDebug(7124) << " colon: " << colon << endl; + kdDebug(7124) << " newline: " << newline << endl; + kdDebug(7124) << " semicolon: " << semicolon << endl; + kdDebug(7124) << " end: " << end << endl; +#endif + + QCString contentType = extractQCString( output, colon + 1, end - colon - 1 ); + + contentType = contentType.stripWhiteSpace(); + + kdDebug(7124) << "ContentType: '" << contentType << "'" << endl; + + mimeType( contentType ); + + int start = qByteArrayFindStr( output, "\r\n\r\n" ); + if ( start >= 0 ) start += 4; + else { + start = qByteArrayFindStr( output, "\n\n" ); + if ( start >= 0 ) start += 2; + } + + if ( start < 0 ) + start = 0; + + // We're done with the part of the buffer we're using. + output.resetRawData ( buffer, n ); + + // Now access the part of the buffer after the header. + output.setRawData ( buffer + start, n - start ); + data( output ); + output.resetRawData ( buffer + start, n - start ); + + stripHeader = false; + } else { + QByteArray array; + array.setRawData( buffer, n ); + data( array ); + array.resetRawData( buffer, n ); + } + } + + if ( forwardFile ) { + fclose( fd ); + } else { + pclose( fd ); + } + + finished(); + + kdDebug(7124) << "CgiProtocol::get - done" << endl; +} + +extern "C" { int KDE_EXPORT kdemain( int argc, char **argv ); } + +/*! The kdemain function generates an instance of the ioslave and starts its + * dispatch loop. */ + +int kdemain( int argc, char **argv ) +{ + KInstance instance( "kio_cgi" ); + + kdDebug(7124) << "kio_cgi starting " << getpid() << endl; + + if (argc != 4) + { + fprintf(stderr, "Usage: kio_cgi protocol domain-socket1 domain-socket2\n"); + exit(-1); + } + + CgiProtocol slave( argv[2], argv[3] ); + slave.dispatchLoop(); + + return 0; +} -- cgit v1.2.1