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//
// cgi.cc
//
// cgi: Parse cgi arguments and put them in a dictionary.
//
// Part of the ht://Dig package <https://htdig.sourceforge.net/>
// Copyright (c) 1995-2004 The ht://Dig Group
// For copyright details, see the file COPYING in your distribution
// or the GNU Library General Public License (LGPL) version 2 or later
// <http://www.gnu.org/copyleft/lgpl.html>
//
// $Id: cgi.cc,v 1.9 2004/05/28 13:15:12 lha Exp $
//
#ifdef HAVE_CONFIG_H
#include "htconfig.h"
#endif /* HAVE_CONFIG_H */
#ifdef _MSC_VER /* _WIN32 */
#include <io.h>
#endif
#include "cgi.h"
#include "htString.h"
#include "Dictionary.h"
#include "good_strtok.h"
#include "StringList.h"
#include "URL.h"
#include <stdlib.h>
#ifndef _MSC_VER /* _WIN32 */
#include <unistd.h>
#endif
#ifdef HAVE_STD
#include <fstream>
#ifdef HAVE_NAMESPACES
using namespace std;
#endif
#else
#include <fstream.h>
#endif /* HAVE_STD */
//*****************************************************************************
// cgi::cgi()
//
cgi::cgi()
{
init("");
}
//*****************************************************************************
// cgi::cgi(char *s)
//
cgi::cgi(char *s)
{
init(s);
}
//*****************************************************************************
// void cgi::init(char *s)
//
void
cgi::init(char *s)
{
pairs = new Dictionary;
int i;
String method(getenv("REQUEST_METHOD"));
if ((!s || !*s) && method.length() == 0)
{
//
// Interactive mode
//
query = 1;
return;
}
query = 0;
String results;
if (s && *s && method.length() == 0)
{
results = s;
}
else if (strcmp((char*)method, "GET") == 0)
{
results = getenv("QUERY_STRING");
}
else
{
int n;
char *buf;
buf = getenv("CONTENT_LENGTH");
if (!buf || !*buf || (n = atoi(buf)) <= 0)
return; // null query
buf = new char[n + 1];
int r, i = 0;
while (i < n && (r = read(0, buf+i, n-i)) > 0)
i += r;
buf[i] = '\0';
results = buf;
delete [] buf;
}
//
// Now we need to split the line up into name/value pairs
//
StringList list(results, "&;");
//
// Each name/value pair now needs to be added to the dictionary
//
for (i = 0; i < list.Count(); i++)
{
char *name = good_strtok(list[i], '=');
String value(good_strtok(NULL, '\n'));
value.replace('+', ' ');
decodeURL(value);
String *str = (String *) pairs->Find(name);
if (str)
{
//
// Entry was already there. Append it to the string.
//
str->append('\001');
str->append(value);
}
else
{
//
// New entry. Add a new string
//
pairs->Add(name, new String(value));
}
}
}
//*****************************************************************************
// cgi::~cgi()
//
cgi::~cgi()
{
delete pairs;
}
//*****************************************************************************
// char *cgi::operator [] (char *name)
//
char *cgi::operator [] (char *name)
{
return get(name);
}
//*****************************************************************************
// char *cgi::get(char *name)
//
char *cgi::get(char *name)
{
String *str = (String *) (*pairs)[name];
if (str)
return str->get();
else
{
if (query)
{
char buffer[1000];
cerr << "Enter value for " << name << ": ";
cin.getline(buffer, sizeof(buffer));
pairs->Add(name, new String(buffer));
str = (String *) (*pairs)[name];
return str->get();
}
return 0;
}
}
//*****************************************************************************
// int cgi::exists(char *name)
//
int
cgi::exists(char *name)
{
return pairs->Exists(name);
}
//*****************************************************************************
// char *cgi::path()
//
char *cgi::path()
{
static char buffer[1000] = "";
if (query)
{
if (*buffer)
return buffer;
cerr << "Enter PATH_INFO: ";
cin.getline(buffer, sizeof(buffer));
return buffer;
}
return getenv("PATH_INFO");
}
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