Diffstat (limited to 'noncore/unsupported/ubrowser/httpfactory.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/unsupported/ubrowser/httpfactory.cpp | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/noncore/unsupported/ubrowser/httpfactory.cpp b/noncore/unsupported/ubrowser/httpfactory.cpp new file mode 100644 index 0000000..369f206 --- a/dev/null +++ b/noncore/unsupported/ubrowser/httpfactory.cpp @@ -0,0 +1,376 @@ +/* +Opie-uBrowser. a very small web browser, using on QTextBrowser for html display/parsing +Copyright (C) 2002 Thomas Stephens + +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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include "httpfactory.h" + +HttpFactory::HttpFactory(QTextBrowser *newBrowser):QMimeSourceFactory() +{ +// socket = new QSocket; + text = new QTextDrag; + browser=newBrowser; +// comm = new HttpComm(socket, browser); + image = new QImageDrag; +} + +const QMimeSource * HttpFactory::data(const QString &abs_name) const +{ + printf("HttpFactory::data: using absolute data func\n"); + + int port=80, addrEnd, portSep; + QString host, file, portS, name, tempString; + bool done=false, isText=true; + +// comm->setUp((QString *)&abs_name); + + name = abs_name; +// name = name.lower(); + name = name.stripWhiteSpace(); + +// printf("%s\n", name.latin1()); + + if(name.startsWith("http://")) + { + name = name.remove(0, 7); + } + else + { + name.prepend(browser->context()); + name = name.remove(0, 7); + } + + addrEnd = name.find('/'); + if(addrEnd == -1) + { + name += '/'; + addrEnd = name.length()-1; + } + + host = name; + file = name; + + host.truncate(addrEnd); + file.remove(0, addrEnd); + + portSep = host.find(':'); + if(portSep != -1) + { + portS=host; + host.truncate(portSep); + portS.remove(0, portSep+1); + port = portS.toInt(); + } + +// printf("%s %s %d\n", host.latin1(), file.latin1(), port); + + if(port == 80) + { + portS="80"; + } + +// if(file.find(".png", file.length()-4) != -1 || file.find(".gif", file.length()-4) != -1 || file.find(".jpg", file.length()-4) != -1) +// { +// isImage=true; +// } + +// comm->setStuff(host, portS, file, text, image, isImage); + +// socket->connectToHost(host, port); + + int con, bytesSent; + struct sockaddr_in serverAddr; + struct hostent * serverInfo = gethostbyname( host.latin1() ); + + if( serverInfo == NULL ) + { + QMessageBox *mb = new QMessageBox(QObject::tr("Error!"), + QObject::tr("IP-Address not found"), + QMessageBox::NoIcon, + QMessageBox::Ok, + QMessageBox::NoButton, + QMessageBox::NoButton); + mb->exec(); + perror("HttpFactory::data:"); + return 0; + } + + QByteArray data; +// printf( "HttpFactory::data: %s\n", inet_ntoa(*((struct in_addr *)serverInfo->h_addr )) ); + + QString request("GET " + file + " HTTP/1.1\r\nHost: " + host + ':' + portS + "\r\nConnection: close\r\n\r\n"); + + con = socket( AF_INET, SOCK_STREAM, 0 ); + if( con == -1 ) + { + QMessageBox *mb = new QMessageBox(QObject::tr("Error!"), + QObject::tr("Error creating socket"), + QMessageBox::NoIcon, + QMessageBox::Ok, + QMessageBox::NoButton, + QMessageBox::NoButton); + mb->exec(); + perror("HttpFactory::data:"); + return 0; + } + + serverAddr.sin_family = AF_INET; + serverAddr.sin_port = htons( port ); + serverAddr.sin_addr.s_addr = inet_addr( inet_ntoa(*((struct in_addr *)serverInfo->h_addr )) ); + memset( &(serverAddr.sin_zero), '\0', 8 ); + + if(::connect( con, (struct sockaddr *)&serverAddr, sizeof(struct sockaddr)) == -1 ) + { + QMessageBox *mb = new QMessageBox(QObject::tr("Error!"), + QObject::tr("Error connecting to socket"), + QMessageBox::NoIcon, + QMessageBox::Ok, + QMessageBox::NoButton, + QMessageBox::NoButton); + mb->exec(); + perror("HttpFactory::data:"); + return 0; + } + + + bytesSent = send( con, request.latin1(), request.length(), 0); +// printf("HttpFactory::data: bytes written: %d out of: %d\n", bytesSent, request.length() ); +// printf("HttpFactory::data: request sent:\n%s", request.latin1()); + + data = this->processResponse( con, isText ); + + ::close( con ); + + if(isText) + { + text->setText( QString( data ) ); + return text; + } + else + { + image->setImage( QImage( data ) ); + return image; + } +} + +const QMimeSource * HttpFactory::data(const QString &abs_or_rel_name, const QString & context) const +{ + printf("HttpFactory::data: using relative data func\n"); + + if(abs_or_rel_name.startsWith(context)) + { + return data(abs_or_rel_name); + } + else + { + return data(context + abs_or_rel_name); + } + + return 0; +} + +const QByteArray HttpFactory::processResponse( int sockfd, bool &isText ) const +{ + QByteArray inputBin( 1 ); + QByteArray conClosedErr( 27 ); + char conClosedErrMsg[] = "Connection to server closed"; + QString currentLine; + bool done=false, chunked=false; + int dataLength = 0; + + for( int i = 0; i < 27; i++) + { + conClosedErr[i] = conClosedErrMsg[i]; + } + + while( !done ) + { + recv( sockfd, inputBin.data(), inputBin.size(), 0 ); + currentLine += *(inputBin.data()); + + if( *(inputBin.data()) == '\n' ) + { + if( currentLine.isEmpty() || currentLine.startsWith( "\r") ) + { + printf( "HttpFactory::processResponse: end of header\n" ); + if( chunked ) + { + return recieveChunked( sockfd ); + } else { + return recieveNormal( sockfd, dataLength ); + } + done = true; + } + + if( currentLine.contains( "Transfer-Encoding: chunked", false) >= 1 ) + { + chunked = true; +// printf( "HttpFactory::processResponse: chunked encoding\n" ); + } + + if( currentLine.contains( "Content-Type: text", false ) >= 1 ) + { + isText = true; +// printf( "HttpFactory::processResponse: content type text\n" ); + if( currentLine.contains( "html", false ) >= 1) + { + browser->setTextFormat(Qt::RichText); +// printf( "HttpFactory::processResponse: content type html\n" ); + } + } + + if( currentLine.contains( "Content-Type: image", false ) >= 1 ) + { + isText = false; +// printf( "HttpFactory::processResponse: content type image\n" ); + } + + if( currentLine.contains( "Content-Length", false ) >= 1 ) + { + currentLine.remove( 0, 16 ); + dataLength = currentLine.toInt(); +// printf( "HttpFactory::processResponse: content length: %d\n", dataLength ); + } + + if( currentLine.contains( "404", false ) >= 1 ) + { +// printf( "HttpFactory::processResponse: 404 error\n" ); + return 0; + } + + currentLine = ""; +// printf("HttpFactory::processResponse: reseting currentLine: %s\n", currentLine.latin1() ); + } + } +} + +const QByteArray HttpFactory::recieveNormal( int sockfd, int dataLen ) const +{ +// printf( "HttpFactory::recieveNormal: recieving w/out chunked encoding\n" ); + + QByteArray data( dataLen ); + QByteArray temp( dataLen ); + int recieved, i; + + recieved = recv( sockfd, temp.data(), temp.size(), 0 ); +// printf( "HttpFactory::recieveNormal: found some data: %s\n", (char *)temp.data() ); + for( i = 0; i < recieved; i++ ) + { + data[i] = temp[i]; + } + dataLen -= recieved; + while( dataLen > 0 ) + { + recieved = recv( sockfd, temp.data(), temp.size(), 0 ); + dataLen -= recieved; +// printf( "HttpFactory::recieveNormal: found some more data: %s\n", (char *)temp.data() ); + for( int j = 0; j < recieved; j++ ) + { + data[i] = temp[j]; + i++; + } + temp.fill('\0'); + } + +// printf( "HttpFactory::recieveNormal: end of data\n" ); + return data; +} + +const QByteArray HttpFactory::recieveChunked( int sockfd ) const +{ +// printf( "HttpFactory::recieveChunked: recieving data with chunked encoding\n" ); + + QByteArray data; + QByteArray temp( 1 ); + int recieved, i = 0, cSize = 0; + QString cSizeS; + +// printf( "HttpFactory::recieveChunked: temp.size(): %d\n", temp.size() ); + recv( sockfd, temp.data(), temp.size(), 0 ); + while( *(temp.data()) != '\n' && *(temp.data()) != ';' ) + { +// printf( "HttpFactory::recieveChunked: temp.size(): %d\n", temp.size() ); +// printf( "HttpFactory::recieveChunked: temp.data(): %c\n", temp[0] ); + cSizeS += temp[0]; + recv( sockfd, temp.data(), temp.size(), 0 ); + } + +// printf( "HttpFactory::recieveChunked: cSizeS: %s\n", cSizeS.latin1() ); + cSize = cSizeS.toInt( 0, 16 ); +// printf( "HttpFactory::recieveChunked: first chunk of size: %d\n", cSize ); + + if( *(temp.data()) == ';' ) + { + while( *(temp.data()) != '\n' ) + { + recv( sockfd, temp.data(), temp.size(), 0 ); + } + } + + temp.fill( '\0', cSize ); + data.fill( '\0', cSize ); + + while( cSize > 0 ) + { + while( cSize > 0 ) + { + recieved = recv( sockfd, temp.data(), temp.size(), 0 ); + cSize -= recieved; + for( int j = 0; j < recieved; j++ ) + { + data[i] = temp[j]; + i++; + } + temp.fill('\0', cSize); + } + +// printf( "HttpFactory::recieveChunked: current data:\n%s", data.data() ); + + temp.fill('\0', 1); + cSizeS = ""; + cSize = 0; + + recv( sockfd, temp.data(), temp.size(), 0 ); + if( *(temp.data()) == '\r' ) + { + recv( sockfd, temp.data(), temp.size(), 0 ); + } + recv( sockfd, temp.data(), temp.size(), 0 ); + while( *(temp.data()) != '\n' && *(temp.data()) != ';' ) + { +// printf( "HttpFactory::recieveChunked: temp.size(): %d\n", temp.size() ); +// printf( "HttpFactory::recieveChunked: temp.data(): %d\n", temp[0] ); + cSizeS += temp[0]; + recv( sockfd, temp.data(), temp.size(), 0 ); + } + +// printf( "HttpFactory::recieveChunked: cSizeS: %s\n", cSizeS.latin1() ); + cSize = cSizeS.toInt( 0, 16 ); +// printf( "HttpFactory::recieveChunked: next chunk of size: %d\n", cSize ); + + if( *(temp.data()) == ';' ) + { + while( *(temp.data()) != '\n' ) + { + recv( sockfd, temp.data(), temp.size(), 0 ); + } + } + + temp.fill( '\0', cSize ); + data.resize( data.size() + cSize ); + } + +// printf( "HttpFactory::recieveChunked: end of data\n" ); + return data; +} |