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Commit 50773505 authored by Sergey Lyubka's avatar Sergey Lyubka
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Added cookie based auth example

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examples/cookie_authentication/Makefile 0 → 100644
View file @ 50773505
# Copyright (c) 2014 Cesanta Software
# All rights reserved
PROG = cookie_auth
CFLAGS = -W -Wall -I../.. -g -O0 $(CFLAGS_EXTRA)
SOURCES = $(PROG).c ../../mongoose.c
$(PROG): $(SOURCES)
$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
clean:
rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib
examples/cookie_authentication/cookie_auth.c 0 → 100644
View file @ 50773505
// Copyright (c) 2014 Cesanta Software
// All rights reserved
#include <stdio.h>
#include <string.h>
#include <time.h>
#include "mongoose.h"
static const char *s_login_uri = "/login.html";
static const char *s_secret = ":-)"; // Must be known only to server
static void generate_ssid(const char *user_name, const char *expiration_date,
char *ssid, size_t ssid_size) {
char hash[33];
mg_md5(hash, user_name, ":", expiration_date, ":", s_secret, NULL);
snprintf(ssid, ssid_size, "%s|%s|%s", user_name, expiration_date, hash);
}
static int check_auth(struct mg_connection *conn) {
char ssid[100], calculated_ssid[100], name[100], expire[100];
// Always authenticate requests to login page
if (strcmp(conn->uri, s_login_uri) == 0) {
return MG_TRUE;
}
// Look for session ID in the Cookie.
// That session ID can be validated against the database that stores
// current active sessions.
mg_parse_header(mg_get_header(conn, "Cookie"), "ssid", ssid, sizeof(ssid));
if (sscanf(ssid, "%[^|]|%[^|]|", name, expire) == 2) {
generate_ssid(name, expire, calculated_ssid, sizeof(calculated_ssid));
if (strcmp(ssid, calculated_ssid) == 0) {
return MG_TRUE; // Authenticate
}
}
// Auth failed, do NOT authenticate, redirect to login page
mg_printf(conn, "HTTP/1.1 302 Moved\r\nLocation: %s\r\n\r\n", s_login_uri);
return MG_FALSE;
}
static int serve_request(struct mg_connection *conn) {
char name[100], password[100], ssid[100], expire[100], expire_epoch[100];
// Always authorize requests to login page
if (strcmp(conn->uri, s_login_uri) == 0 &&
strcmp(conn->request_method, "POST") == 0) {
mg_get_var(conn, "name", name, sizeof(name));
mg_get_var(conn, "password", password, sizeof(password));
// A real authentication mechanism should be employed here.
// Also, the whole site should be served through HTTPS.
if (strcmp(name, "Joe") == 0 && strcmp(password, "Doe") == 0) {
// Generate expiry date
time_t t = time(NULL) + 3600; // Valid for 1 hour
snprintf(expire_epoch, sizeof(expire_epoch), "%lu", (unsigned long) t);
strftime(expire, sizeof(expire), "%a, %d %b %Y %H:%M:%S GMT", gmtime(&t));
generate_ssid(name, expire_epoch, ssid, sizeof(ssid));
// Set "session id" cookie, there could be some data encoded in it.
mg_printf(conn,
"HTTP/1.1 302 Moved\r\n"
"Set-Cookie: ssid=%s; expire=\"%s\"; http-only; HttpOnly;\r\n"
"Location: /\r\n\r\n",
ssid, expire);
return MG_TRUE;
}
}
return MG_FALSE;
}
static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
switch (ev) {
case MG_AUTH: return check_auth(conn);
case MG_REQUEST: return serve_request(conn);
default: return MG_FALSE;
}
}
int main(void) {
struct mg_server *server = mg_create_server(NULL, ev_handler);
mg_set_option(server, "listening_port", "8080");
mg_set_option(server, "document_root", ".");
printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
for (;;) {
mg_poll_server(server, 1000);
}
mg_destroy_server(&server);
return 0;
}
examples/cookie_authentication/index.html 0 → 100644
View file @ 50773505
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>WebSocket Test</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style type="text/css">
body {
background-color: #cde; margin: 0;
padding: 0; font: 14px Helvetica, Arial, sans-serif;
}
* { outline: none; }
div.content {
width: 800px; margin: 2em auto; padding: 20px 50px;
background-color: #fff; border-radius: 1em;
}
label { display: inline-block; min-width: 7em; }
input { border: 1px solid #ccc; padding: 0.4em; margin: 0 0 10px 0; }
a:link, a:visited { color: #69c; text-decoration: none; }
@media (max-width: 700px) {
body { background-color: #fff; }
div.content {
width: auto; margin: 0 auto; border-radius: 0; padding: 1em;
}
}
</style>
<body>
<div class="content">
<h1>Mongoose Cookie Base Authentication</h1>
<p>This is an index page. Authentication succeeded.</p>
</body>
</html>
\ No newline at end of file
examples/cookie_authentication/login.html 0 → 100644
View file @ 50773505
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>WebSocket Test</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style type="text/css">
body {
background-color: #cde; margin: 0;
padding: 0; font: 14px Helvetica, Arial, sans-serif;
}
* { outline: none; }
div.content {
width: 800px; margin: 2em auto; padding: 20px 50px;
background-color: #fff; border-radius: 1em;
}
label { display: inline-block; min-width: 7em; }
input { border: 1px solid #ccc; padding: 0.4em; margin: 0 0 10px 0; }
a:link, a:visited { color: #69c; text-decoration: none; }
@media (max-width: 700px) {
body { background-color: #fff; }
div.content {
width: auto; margin: 0 auto; border-radius: 0; padding: 1em;
}
}
</style>
<body>
<div class="content">
<h1>Mongoose Cookie Based Authentication</h1>
<p>Use name "Joe", password "Doe" to login.</p>
<form method="POST">
<div>
<label>Name:</label>
<input type="text" name="name"/>
</div><div>
<label>Password:</label>
<input type="password" name="password"/>
</div><div>
<input type="submit" value="Login"/>
</div>
</form>
</body>
</html>
\ No newline at end of file
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