-rw-r--r-- | noncore/net/ubrowser/httpcomm.cpp | 342 | ||||
-rw-r--r-- | noncore/net/ubrowser/httpcomm.h | 61 | ||||
-rw-r--r-- | noncore/net/ubrowser/httpfactory.cpp | 272 | ||||
-rw-r--r-- | noncore/net/ubrowser/httpfactory.h | 16 | ||||
-rw-r--r-- | noncore/net/ubrowser/ubrowser.pro | 4 |
5 files changed, 276 insertions, 419 deletions
diff --git a/noncore/net/ubrowser/httpcomm.cpp b/noncore/net/ubrowser/httpcomm.cpp deleted file mode 100644 index 4f189ce..0000000 --- a/noncore/net/ubrowser/httpcomm.cpp +++ b/dev/null @@ -1,342 +0,0 @@ -/* -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 "httpcomm.h" - -HttpComm::HttpComm(QSocket *newSocket, QTextBrowser *newBrowser):QObject() -{ - socket = newSocket; - - connect(socket, SIGNAL(hostFound()), this, SLOT(hostFound()) ); - connect(socket, SIGNAL(connected()), this, SLOT(connected()) ); - connect(socket, SIGNAL(readyRead()), this, SLOT(incoming()) ); - connect(socket, SIGNAL(connectionClosed()), this, SLOT(connectionClosed()) ); - - headerRead=false; - length = 0; - bRead = 0; - chunked=false; - lengthset=false; - - browser=newBrowser; -} - -void HttpComm::setUp(QString *newName) -{ - name = newName; -} - -void HttpComm::setStuff(QString newHost, QString newPortS, QString newFile, QTextDrag *newText, QImageDrag *newImage, bool newIsImage) -{ - host = newHost; - portS = newPortS; - file = newFile; - text = newText; - isImage = newIsImage; - image = newImage; -} - -void HttpComm::hostFound() -{ - printf("HttpComm::hostFound: host found\n"); -} - -void HttpComm::connected() -{ - QString request("GET " + file + " HTTP/1.1\r\nHost: " + host + ':' + portS + "\r\nConnection: close\r\n\r\n"); -// QString request("GET " + file + " HTTP/1.0\r\n\r\n"); - printf("HttpComm::data: bytes written: %d\n", socket->writeBlock(request.latin1(), request.length()) ); - printf("HttpComm::data: request sent:\n%s", request.latin1()); - - headerRead=false; - bRead=0; - length = 0; - header=""; - body=""; - chunked=false; - lengthset=false; -} - -void HttpComm::incoming() -{ - int ba=socket->size(), i=0, j=0, semi=0; - char *tempString = new char [ba]; - int br = socket->readBlock(tempString, ba); - socket->flush(); - bool nextChunk=false; - bool done=false; - printf("HttpComm::incoming: ba: %d\n", ba); - printf("HttpComm::incoming: bytes read from socket: %d\n", br); -// printf("HttpComm::incoming: tempString length: %d\n"); - QString sclength; - - if(headerRead == false) - { - for(i=0; i<ba; i++) - { - if(tempString[i] != '\r') - { - if(tempString[i] == '\n' && header[header.length()-1] == '\n') - { - j=i; - headerRead = true; - parseHeader(); - goto body; - } - else - { - header+=tempString[i]; - } - } -// printf("%d %d\n", ba, i); - } - } - else - { - body: - printf("HttpComm::incoming: reading body\n"); - printf("HttpComm::incoming: j is: %d\n", j); - if(!chunked) - { -//make sure we didnt just leave that break above... - if(j != 0) - { - for( ; j<ba ; j++) - { - body+=tempString[j]; - bRead++; -// printf("bRead1: %d\n", bRead); - } - } - else - { - body += tempString; - bRead+=ba; -// printf("bRead2: %d\n", bRead); - } - - if(bRead >= length) - { - printf("HttpComm::incoming: finished reading body\n"); - processBody(); - socket->close(); - } - } - else - { - int startclength=0; - QString tempQString = tempString; - //remove the http header, if one exists - if(j != 0) - { - tempQString.remove(0, j+1); - printf("HttpComm::incoming: removing http header. Result: \n%s", tempQString.latin1()); - } - while(!done) - { - switch(status) - { - //case 0=need to read chunk length - case 0: - j = tempQString.find('\n'); - sclength = tempQString; - sclength.truncate(j); - clength = sclength.toUInt(0, 16); - printf("HttpComm::Incoming: chunk length: %d\n", clength); - printf("HttpComm::Incoming: chunk length string: %s\n", sclength.latin1()); - //end of data - if(clength==0) - { - processBody(); - done=true; - return; - } - //still more, but it hasnt been recieved yet - if(ba <= j) - { - status=2; - done=true; - break; - } - //still more data waiting - else - { - done=false; - //remove the chunk length header - tempQString.remove(0,j+1); - } - bRead=0; -// break; - //if there is more fall through to: - //chunk length just read, still more in tempQstring - case 1: - //the current data extends beyond the end of the chunk - if(bRead + tempQString.length() > clength) - { - QString newTQstring = tempQString; - newTQstring.truncate(clength-bRead); - bRead+=newTQstring.length(); - body+=newTQstring; - printf("HttpComm::incoming: start new body piece 1: \n"); - printf("%s", newTQstring.latin1() ); - printf("HttpComm::incoming: end new body piece 1.\n"); - status=0; - tempQString = tempQString.remove(0, newTQstring.length()); - startclength = tempQString.find('\n'); - printf("HttpComm::incoming: startclength: %d\n", startclength); - tempQString = tempQString.remove(0, startclength+1); - done=false; -// break; - } - //the chunk extends beyond the current data; - else - { - if(tempQString.length() <= ba) - { - printf("HttpComm::incoming: not truncating tempQString\n"); - body+=tempQString; - bRead+=tempQString.length(); - } - else - { - printf("HttpComm::incoming: truncating tempQString\n"); - tempQString.truncate(ba); - body+=tempQString; - bRead+=tempQString.length(); - } - printf("HttpComm::incoming: start new body piece 2: \n"); - printf("%s", tempQString.latin1() ); - printf("HttpComm::incoming: end new body piece 2.\n"); - done=true; - status=2; -// break; - } - break; - //just got data in, continue reading chunk - case 2: - //the current data extends beyond the end of the chunk - if(bRead + tempQString.length() > clength) - { - QString newTQstring = tempQString; - newTQstring.truncate(clength-bRead); - bRead+=newTQstring.length(); - body+=newTQstring; - printf("HttpComm::incoming: start new body piece 3: \n"); - printf("%s", newTQstring.latin1() ); - printf("HttpComm::incoming: end new body piece 3.\n"); - status=0; - tempQString = tempQString.remove(0, newTQstring.length()); - startclength = tempQString.find('\n'); - printf("HttpComm::incoming: startclength, tempQString length: %d %d\n", startclength, tempQString.length()); - tempQString = tempQString.remove(0, startclength+1); - done=false; -// break; - } - //the chunk extends beyond the current data; - else - { - if(tempQString.length() <= ba) - { - printf("HttpComm::incoming: not truncating tempQString\n"); - body+=tempQString; - bRead+=tempQString.length(); - } - else - { - printf("HttpComm::incoming: truncating tempQString\n"); - tempQString.truncate(ba); - body+=tempQString; - bRead+=tempQString.length(); - } - printf("HttpComm::incoming: start new body piece 4: \n"); - printf("%s", tempQString.latin1() ); - printf("HttpComm::incoming: end new body piece 4.\n"); - done=true; - status=2; -// break; - } - break; - } - printf("HttpComm::incoming: chunked encoding: bRead: %d\n", bRead); - } - } - } - delete tempString; -} - -void HttpComm::connectionClosed() -{ - printf("HttpComm::connectionClosed: connection closed\n"); - processBody(); -} - -void HttpComm::parseHeader() -{ - QStringList headerLines, tempList; - int i; - - printf("HttpComm::parseHeader: start header\n\n"); - printf("%s", header.latin1()); - printf("HttpComm::parseHeader: end header\n"); - - headerLines = QStringList::split('\n', header); - - for(i=0; i<headerLines.count(); i++) - { - if(headerLines[i].startsWith("Content-Length:") ) - { - tempList = QStringList::split(':', headerLines[i]); - tempList[1].stripWhiteSpace(); - length = tempList[1].toUInt(); - } - else if(headerLines[i].startsWith("Transfer-Encoding: chunked") ) - { - printf("HttpComm::parseHeader: using chunked encoding\n"); - chunked = true; - status=0; - } - } - - printf("HttpConn::parseHeader: content-length: %d\n", length); -} - -void HttpComm::processBody() -{ - printf("HttpComm::processBody: processing body\n"); -// printf("HttpComm::processBody: start body\n\n"); -// printf("%s", body.latin1()); -// printf("HttpComm::processBody: end body\n"); - - int lastSlash = file.findRev('/'); - - QString end = file; - end.truncate(lastSlash+1); - QString context = "http://"+host+':'+portS+end; - printf("HttpComm::processBody: context: %s\n", context.latin1() ); - - if(!isImage) - { - browser->setTextFormat(RichText); - browser->mimeSourceFactory()->setFilePath(context); - browser->setText(body, context); - } - else - { - QImage tempImage(body.latin1()); - image->setImage(tempImage); - browser->update(); - } -} diff --git a/noncore/net/ubrowser/httpcomm.h b/noncore/net/ubrowser/httpcomm.h deleted file mode 100644 index d6f63fc..0000000 --- a/noncore/net/ubrowser/httpcomm.h +++ b/dev/null @@ -1,61 +0,0 @@ -/* -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 <qobject.h> -#include <qstring.h> -#include <qsocket.h> -#include <qstringlist.h> -#include <qdragobject.h> -#include <qtextbrowser.h> -#include <qcstring.h> -#include <qimage.h> - -#include <stdio.h> - -class HttpComm : public QObject -{ -Q_OBJECT -public: - HttpComm(QSocket *newSocket, QTextBrowser *newBrowser); - void setUp(QString *newName); - void setStuff(QString newHost, QString newPortS, QString newFile, QTextDrag *newText, QImageDrag *newImage, bool newIsImage); - void parseHeader(); - void processBody(); -public slots: - void hostFound(); - void connected(); - void connectionClosed(); - void incoming(); -private: - QString *name; - QSocket *socket; - QString host; - QString portS; - QString file; - bool headerRead; - QString header; - QString body; - unsigned int length; - unsigned int bRead; - QTextDrag *text; - QImageDrag *image; - QTextBrowser *browser; - bool chunked; - bool lengthset; - unsigned int clength; - int status; - bool isImage; -}; diff --git a/noncore/net/ubrowser/httpfactory.cpp b/noncore/net/ubrowser/httpfactory.cpp index 50a3c9a..0586e96 100644 --- a/noncore/net/ubrowser/httpfactory.cpp +++ b/noncore/net/ubrowser/httpfactory.cpp @@ -18,10 +18,10 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA HttpFactory::HttpFactory(QTextBrowser *newBrowser):QMimeSourceFactory() { - socket = new QSocket; +// socket = new QSocket; text = new QTextDrag; browser=newBrowser; - comm = new HttpComm(socket, browser); +// comm = new HttpComm(socket, browser); image = new QImageDrag; } @@ -31,9 +31,9 @@ const QMimeSource * HttpFactory::data(const QString &abs_name) const int port=80, addrEnd, portSep; QString host, file, portS, name, tempString; - bool done=false, isImage=false; + bool done=false, isText=true; - comm->setUp((QString *)&abs_name); +// comm->setUp((QString *)&abs_name); name = abs_name; // name = name.lower(); @@ -80,22 +80,86 @@ const QMimeSource * HttpFactory::data(const QString &abs_name) const 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; - } +// 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); +// comm->setStuff(host, portS, file, text, image, isImage); - socket->connectToHost(host, port); +// socket->connectToHost(host, port); + + int con, bytesSent; + struct sockaddr_in serverAddr; + struct hostent * serverInfo = gethostbyname( host.latin1() ); + + if( serverInfo == NULL ) + { + QMessageBox *mb = new QMessageBox("Error!", + "couldnt find ip address", + 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("Error!", + "couldnt create 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("Error!", + "couldnt connect to socket", + QMessageBox::NoIcon, + QMessageBox::Ok, + QMessageBox::NoButton, + QMessageBox::NoButton); + mb->exec(); + perror("HttpFactory::data:"); + return 0; + } - if(!image) + + 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(""); + text->setText( QString( data ) ); return text; } else { + image->setImage( QImage( data ) ); return image; } } @@ -115,3 +179,187 @@ const QMimeSource * HttpFactory::data(const QString &abs_or_rel_name, const QStr 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( "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 ); + } + + 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; +} diff --git a/noncore/net/ubrowser/httpfactory.h b/noncore/net/ubrowser/httpfactory.h index 1802f56..214120c 100644 --- a/noncore/net/ubrowser/httpfactory.h +++ b/noncore/net/ubrowser/httpfactory.h @@ -15,13 +15,21 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <qmime.h> -#include <qsocket.h> +//#include <qsocket.h> #include <qstring.h> #include <qdragobject.h> #include <qtextbrowser.h> +#include <qmessagebox.h> #include <stdio.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <unistd.h> +#include <netinet/in.h> +#include <netdb.h> +#include <arpa/inet.h> + #include "httpcomm.h" class HttpFactory : public QMimeSourceFactory @@ -31,9 +39,13 @@ public: const QMimeSource * data(const QString &abs_name) const; const QMimeSource * data(const QString &abs_or_rel_name, const QString & context) const; private: - QSocket *socket; +// QSocket *socket; HttpComm *comm; QTextDrag *text; QImageDrag *image; QTextBrowser *browser; + + const QByteArray processResponse( int sockfd, bool &isText) const; + const QByteArray recieveNormal( int sockfd, int dataLen ) const; + const QByteArray recieveChunked( int sockfd ) const; }; diff --git a/noncore/net/ubrowser/ubrowser.pro b/noncore/net/ubrowser/ubrowser.pro index cd1a989..a6943dd 100644 --- a/noncore/net/ubrowser/ubrowser.pro +++ b/noncore/net/ubrowser/ubrowser.pro @@ -1,8 +1,8 @@ TEMPLATE =app CONFIG +=qt warn_on release DESTDIR =../../../bin -HEADERS = mainview.h httpfactory.h httpcomm.h -SOURCES = main.cpp mainview.cpp httpfactory.cpp httpcomm.cpp +HEADERS = mainview.h httpfactory.h +SOURCES = main.cpp mainview.cpp httpfactory.cpp INCLUDEPATH +=../../../include DEPENDPATH +=../../../include LIBS += -lqpe |