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#include "httpget.h"
#include "exceptionbase.h"
#include "connection.h"
#include <stdio.h>
char HttpGet::hexcode[]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
HttpGet::HttpGet() :
nPort( 80 ),
sUserAgent("libbu++; HttpGet")
{
}
HttpGet::HttpGet( const std::string &url ) :
nPort( 80 )
{
setURL( url );
}
HttpGet::~HttpGet()
{
}
void HttpGet::setURL( const std::string &url )
{
int len = url.size();
printf("Full URL: %s\n", url.c_str() );
int pos = url.find("://");
sProto.assign( url, 0, pos );
printf("Protocol: %s\n", sProto.c_str() );
int pos2 = url.find("/", pos+3 );
if( pos2 >= 0 )
{
sHost.assign( url, pos+3, pos2-pos-3 );
}
else
{
sHost.assign( url, pos+3, std::string::npos );
}
int pos3 = sHost.find(":");
if( pos3 >= 0 )
{
nPort = strtol( sHost.c_str()+pos3+1, NULL, 10 );
sHost.erase( pos3 );
}
printf("Hostname: %s\n", sHost.c_str() );
printf("Port: %d\n", nPort );
pos3 = url.find("?", pos2+1 );
if( pos3 >= 0 )
{
sPath.assign( url, pos2, pos3-pos2 );
printf("Path: %s\n", sPath.c_str() );
for(;;)
{
int end = pos3+1;
for(; url[end] != '=' && url[end] != '&' && end < len; end++ );
std::string sKey, sValue;
sKey.assign( url, pos3+1, end-pos3-1 );
if( url[end] == '=' )
{
pos3 = end;
for( end++; url[end] != '&' && end < len; end++ );
sValue.assign( url, pos3+1, end-pos3-1 );
pos3 = end;
}
else
{
}
lParams.push_back( StringPair( sKey, sValue ) );
printf("Param: %s = %s\n", sKey.c_str(), sValue.c_str() );
if( end+1 >= len ) break;
}
}
else
{
sPath.assign( url, pos2, std::string::npos );
printf("Path: %s\n", sPath.c_str() );
}
printf("\n");
}
void HttpGet::addParam( const std::string &key, const std::string &value )
{
lParams.push_back( StringPair( key, value ) );
}
std::string HttpGet::escape( const std::string &src )
{
std::string escaped("");
for( std::string::const_iterator i = src.begin(); i != src.end(); i++ )
{
unsigned char j = *i;
if( (j >= '0' && j <= '9') ||
(j >= 'a' && j <= 'z') ||
(j >= 'A' && j <= 'Z') ||
j == '$' ||
j == '-' ||
j == '_' ||
j == '.' ||
j == '+' ||
j == '!' ||
j == '*' ||
j == '\'' ||
j == '(' ||
j == ')' )
{
escaped += j;
}
else
{
escaped += "%";
escaped += hexcode[j>>4];
escaped += hexcode[j&0x0F];
}
}
return escaped;
}
SBuffer *HttpGet::get()
{
std::string sData;
sData = "GET " + sPath;
if( !lParams.empty() )
{
sData += "?";
for( std::list<StringPair>::iterator i = lParams.begin();
i != lParams.end(); i++ )
{
if( i != lParams.begin() )
sData += "&";
if( (*i).second == "" )
{
sData += escape( (*i).first );
}
else
{
sData += escape( (*i).first );
sData += "=";
sData += escape( (*i).second );
}
}
}
sData += " HTTP/1.1\r\n"
"User-Agent: " + sUserAgent + "\r\n"
"Connection: close\r\n"
"Host: " + sHost + "\r\n"
"Content-type: application/x-www-form-urlencoded\r\n\r\n";
printf("Connection content:\n\n%s\n\n", sData.c_str() );
Connection con;
con.open( sHost.c_str(), nPort );
printf("Connected, sending request.\n");
con.appendOutput( sData.c_str(), sData.size() );
con.writeOutput();
while( con.readInput() )
printf("Read %db\n", con.getInputAmnt() );
int total = con.getInputAmnt();
const char *dat = con.getInput();
for( int i = 0; i < total; i++ )
{
if( !memcmp( dat+i, "\r\n\r\n", 4 ) )
{
SBuffer *buf = new SBuffer;
buf->write( dat+i+4, total-i-4 );
buf->setPos( 0 );
con.close();
return buf;
}
}
con.close();
throw ExceptionBase("Something went wrong, incomplete response? fix this.\n");
}
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