1 files changed, 273 insertions, 0 deletions
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 <[email protected]>
+   Copyright 2006 Michael Pyne <[email protected]>
+
+   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 <stdio.h>
+#include <stdlib.h>
+
+#include <qdir.h>
+#include <qregexp.h>
+
+#include <kdebug.h>
+#include <kprocess.h>
+#include <kstandarddirs.h>
+#include <kinstance.h>
+#include <klocale.h>
+#include <kconfig.h>
+
+#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;
+}