En cherchant des exemples de mise en oeuvre de serveur web avec arduino, je suis tombé sur un exemple d'authentification par MdP dans les exemples de la librairie Webduino, mais tu l'as probablement déjà vu.
/* Web_Authentication.ino - Webduino Authentication example */
/* This example assumes that you're familiar with the basics
* of the Ethernet library (particularly with setting MAC and
* IP addresses) and with the basics of Webduino. If you
* haven't had a look at the HelloWorld example you should
* probably check it out first */
/* you can change the authentication realm by defining
* WEBDUINO_AUTH_REALM before including WebServer.h */
#define WEBDUINO_AUTH_REALM "Weduino Authentication Example"
#include "SPI.h"
#include "Ethernet.h"
#include "WebServer.h"
/* CHANGE THIS TO YOUR OWN UNIQUE VALUE. The MAC number should be
* different from any other devices on your network or you'll have
* problems receiving packets. */
static uint8_t mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
/* CHANGE THIS TO MATCH YOUR HOST NETWORK. Most home networks are in
* the 192.168.0.XXX or 192.168.1.XXX subrange. Pick an address
* that's not in use and isn't going to be automatically allocated by
* DHCP from your router. */
static uint8_t ip[] = { 192, 168, 1, 210 };
/* This creates an instance of the webserver. By specifying a prefix
* of "", all pages will be at the root of the server. */
#define PREFIX ""
WebServer webserver(PREFIX, 80);
void defaultCmd(WebServer &server, WebServer::ConnectionType type, char *, bool)
{
server.httpSuccess();
if (type != WebServer::HEAD)
{
P(helloMsg) = "<h1>Hello, World!</h1><a href=\"private.html\">Private page</a>";
server.printP(helloMsg);
}
}
void privateCmd(WebServer &server, WebServer::ConnectionType type, char *, bool)
{
/* if the user has requested this page using the following credentials
* username = user
* password = user
* display a page saying "Hello User"
*
* the credentials have to be concatenated with a colon like
* username:password
* and encoded using Base64 - this should be done outside of your Arduino
* to be easy on your resources
*
* in other words: "dXNlcjp1c2Vy" is the Base64 representation of "user:user"
*
* if you need to change the username/password dynamically please search
* the web for a Base64 library */
if (server.checkCredentials("dXNlcjp1c2Vy"))
{
server.httpSuccess();
if (type != WebServer::HEAD)
{
P(helloMsg) = "<h1>Hello User</h1>";
server.printP(helloMsg);
}
}
/* if the user has requested this page using the following credentials
* username = admin
* password = admin
* display a page saying "Hello Admin"
*
* in other words: "YWRtaW46YWRtaW4=" is the Base64 representation of "admin:admin" */
else if (server.checkCredentials("YWRtaW46YWRtaW4="))
{
server.httpSuccess();
if (type != WebServer::HEAD)
{
P(helloMsg) = "<h1>Hello Admin</h1>";
server.printP(helloMsg);
}
}
else
{
/* send a 401 error back causing the web browser to prompt the user for credentials */
server.httpUnauthorized();
}
}
void setup()
{
Ethernet.begin(mac, ip);
webserver.setDefaultCommand(&defaultCmd);
webserver.addCommand("index.html", &defaultCmd);
webserver.addCommand("private.html", &privateCmd);
webserver.begin();
}
void loop()
{
char buff[64];
int len = 64;
/* process incoming connections one at a time forever */
webserver.processConnection(buff, &len);
}
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