// ------------------------------- //
// -------- Start of File -------- //
// ------------------------------- //
// ----------------------------------------------------------- //
// C++ Source Code File Name: server.cpp
// Compiler Used: MSVC, GCC
// Produced By: DataReel Software Development Team
// File Creation Date: 10/17/2001
// Date Last Modified: 06/17/2016
// Copyright (c) 2001-2024 DataReel Software Development
// ----------------------------------------------------------- //
// ------------- Program Description and Details ------------- //
// ----------------------------------------------------------- //
/*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
HTTPS client example program using the gxSSL class.
*/
// ----------------------------------------------------------- //
#include "gxdlcode.h"
#if defined (__USE_ANSI_CPP__) // Use the ANSI Standard C++ library
#include <iostream>
using namespace std; // Use unqualified names for Standard C++ library
#else // Use the old iostream library by default
#include <iostream.h>
#endif // __USE_ANSI_CPP__
#include "gxshttpc.h"
#include "dfileb.h"
#ifdef __MSVC_DEBUG__
#include "leaktest.h"
#endif
// Version number and program name
const double ProgramVersionNumber = 1.0;
const char *ProgramName = "https testprog";
// Program globals
int get_doc_header = 0; // True if request a document header only
int get_document = 0; // True if requesting a document
void HelpMessage(const char *program_name, const double version_number)
{
cout << "\n";
cout.setf(ios::showpoint | ios::fixed);
cout.precision(1);
cout << "\n";
cout << program_name << " version " << version_number << "\n";
cout << "Usage: " << program_name << " [switches] URL" << "\n";
cout << "Example: " << program_name << " -h https://www.xyz.com/index.html"
<< "\n";
cout << "Switches: " << "\n";
cout << " -d = Download the specified file only (default)." << "\n";
cout << " -h = Get a document header." << "\n";
cout << "\n";
}
int ProcessArgs(char *arg)
{
switch(arg[1]) {
case 'h':
get_doc_header = 1;
get_document = 0;
break;
case 'd':
get_doc_header = 0;
get_document = 1;
break;
default:
cerr << "\n";
cerr << "Unknown switch " << arg << "\n";
cerr << "Exiting..." << "\n";
cerr << "\n";
return 0;
}
arg[0] = '\0';
return 1; // All command line arguments were valid
}
void PrintHTTPHeader(const gxsHTTPHeader &hdr)
{
cout << "\n" << flush;
cout << "<------ Document Header ------>" << "\n" << flush;
cout << hdr.http_header.c_str();
cout << "<----------------------------->" << "\n" << flush;
cout << "\n" << flush;
cout << "Press Enter to continue..." << "\n" << flush;
cin.get();
cout << "Processing the header information..." << "\n"
<< flush;
cout << gxsHTTPStatusCodeMessage(hdr.http_status) << "\n"
<< flush;
cout.setf(ios::showpoint | ios::fixed);
cout.precision(1);
cout << "HTTP version: " << hdr.http_version << "\n" << flush;
cout << "Document status code: " << hdr.http_status << "\n"
<< flush;
if(hdr.current_server.length() > 0) {
cout << "Current Server: " << hdr.current_server.c_str() << "\n"
<< flush;
}
if(hdr.location.length() > 0) {
cout << "Location: " << hdr.location.c_str() << "\n"
<< flush;
}
if(hdr.http_last_modified.length() > 0) {
cout << "Date Document Last Modified: "
<< hdr.http_last_modified.c_str() << "\n" << flush;
}
if(hdr.date.length() > 0) {
cout << "Date: " << hdr.date.c_str() << "\n" << flush;
}
if(hdr.http_expires.length() > 0) {
cout << "Expires: " << hdr.http_expires.c_str() << "\n"
<< flush;
}
if(hdr.etag.length() > 0) {
cout << "Entity tag: " << hdr.etag.c_str() << "\n" << flush;
}
if(hdr.authentication_needed) {
cout << "Authentication required" << "\n" << flush;
}
if(hdr.authentication_scheme.length() > 0) {
cout << "Authentication scheme: "
<< hdr.authentication_scheme.c_str() << "\n" << flush;
}
if(hdr.realm.length() > 0) {
cout << "Authentication realm: " << hdr.realm.c_str() << "\n"
<< flush;
}
if(hdr.auth_cookie.length() > 0) {
cout << "Authentication cookie: " << hdr.auth_cookie.c_str()
<< "\n" << flush;
}
if(hdr.content_encoding.length() > 0) {
cout << "Content encoding: " << hdr.content_encoding.c_str()
<< "\n" << flush;
}
if(hdr.pragma.length() > 0) {
cout << "Pragma: " << hdr.pragma.c_str() << "\n" << flush;
}
if(hdr.cache_control.length() > 0) {
cout << "Cache control: " << hdr.cache_control.c_str() << "\n"
<< flush;
}
if(hdr.file_extension.length() > 0) {
cout << "File extension: " << hdr.file_extension.c_str() << "\n"
<< flush;
}
if(hdr.length > -1) {
cout << "Document length: " << hdr.length << "\n" << flush;
}
if(hdr.not_found) {
cout << "The requested document was not found" << "\n"
<< flush;
}
if(!hdr.no_cache) {
cout << "Using cached copy of the requested document" << "\n"
<< flush;
}
if(hdr.accept_ranges) {
cout << "Accepting ranges" << "\n" << flush;
}
if(hdr.timeout > -1) {
cout << "Timeout: " << hdr.timeout << "\n" << flush;
}
if(hdr.max_conns > -1) {
cout << "Max connects: " << hdr.max_conns << "\n" << flush;
}
if(!hdr.keep_alive) {
cout << "The server has closed this connection" << "\n"
<< flush;
}
gxListNode<gxsNetscapeCookie> *netscape_cookies = \
hdr.netscape_cookies.GetHead();
if(netscape_cookies) {
cout << "\n" << flush;
cout << "Cookie information. Press Enter to continue..."
<< "\n" << flush;
cin.get();
while(netscape_cookies) {
gxsNetscapeCookie citem(netscape_cookies->data);
cout << "Hostname: " << citem.host.c_str() << "\n"
<< flush;
cout << "Name: " << citem.name.c_str() << "\n" << flush;
cout << "Value: " << citem.value.c_str() << "\n" << flush;
if(citem.expires.length() > 0) {
cout << "Expires: " << citem.expires.c_str() << "\n"
<< flush;
}
if(citem.domain.length() > 0) {
cout << "Domain: " << citem.domain.c_str() << "\n"
<< flush;
}
if(citem.path.length() > 0) {
cout << "Path: " << citem.path.c_str() << "\n" << flush;
}
if(citem.secure) {
cout << "This is a secure cookie" << "\n" << flush;
}
netscape_cookies = netscape_cookies->next;
if(netscape_cookies) {
cout << "\n" << flush;
cout << "Cookie information. Press Enter to continue..."
<< "\n" << flush;
cin.get();
}
}
}
}
void GetDocumentHeader(char *URL)
{
gxsURL url;
gxsURLInfo u;
gxString web_url(URL);
if(!url.ParseURL(web_url, u)) {
cout << "Error parsing url" << "\n";
return;
}
gxsHTTPSClient httpc;
gxsHTTPHeader hdr;
if(httpc.RequestHeader(u, hdr) != 0) {
cout << httpc.SocketExceptionMessage() << "\n";
cout << httpc.openssl.SSLExceptionMessage() << "\n";
return;
}
PrintHTTPHeader(hdr);
}
void DownloadFile(const char *URL)
{
gxsHTTPSClient client;
gxsURL url;
gxsURLInfo u;
if(!url.ParseURL(URL, u)) {
cout << "Error parsing URL" << "\n";
}
// Construct the local file name based on the URL information
gxString sbuf(u.dir);
if(u.file == "?") { // Is this a file or directory
while(sbuf.DeleteBeforeIncluding("/")) ;
u.file = sbuf;
u.dir.DeleteAfterIncluding(sbuf.c_str());
}
if(!u.file) {
u.file = "index.html";
}
// Open the local file
DiskFileB outfile(u.file.c_str(), DiskFileB::df_WRITEONLY,
DiskFileB::df_CREATE);
if(!outfile) {
cout << outfile.df_ExceptionMessage() << "\n";
return;
}
cout << "Connecting to: " << u.host << "\n";
cout << "Downloading: " << u.path << "\n";
// client.openssl.SetCertFile("client_cert.pem");
// client.openssl.SetKeyFile("client_key.pem");
// client.openssl.SetPasswd("keypassphrase");
// client.openssl.SetCAList("ca_list.pem");
// client.openssl.SetRandomFile("random_number_file");
// client.openssl.RequireVerifyCert();
gxsHTTPHeader hdr;
if(client.Request(u, hdr, outfile.df_FileStream()) != 0) {
cout << client.SocketExceptionMessage() << "\n";
cout << client.openssl.SSLExceptionMessage() << "\n";
return;
}
client.Flush();
}
// Program's main thread of execution.
// -----------------------------------------------------------
int main(int argc, char **argv)
{
#ifdef __MSVC_DEBUG__
InitLeakTest();
#endif
if(argc < 2) {
HelpMessage(ProgramName, ProgramVersionNumber);
return 0;
}
// Process command ling arguments and files
int narg;
char *arg = argv[narg = 1];
while (narg < argc) {
if (arg[0] != '\0') {
if (arg[0] == '-') { // Look for command line arguments
if(!ProcessArgs(arg)) return 0; // Exit if argument is not valid
}
else {
if(get_document) {
cout << "\n";
cout << "Downloading: " << arg << "\n";
DownloadFile((const char *)arg);
}
else if(get_doc_header) {
cout << "\n";
cout << "Requesting document header: " << arg << "\n";
GetDocumentHeader(arg);
}
else { // Default if no argument is specifed
cout << "\n";
cout << "Downloading: " << arg << "\n";
DownloadFile((const char *)arg);
}
}
arg = argv[++narg];
}
}
return 0;
}
// ----------------------------------------------------------- //
// ------------------------------- //
// --------- End of File --------- //
// ------------------------------- //