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xin
2025-07-08 08:54:35 +08:00
parent bc81bd41ac
commit 6de3458dfc
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lib/WebServer_ESP32_W5500/examples/SimpleAuthentication/SimpleAuthentication.ino Normal file
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/****************************************************************************************************************************
SimpleAuthentication.ino - Dead simple web-server for Ethernet shields
For Ethernet shields using ESP32_W5500 (ESP32 + W5500)
WebServer_ESP32_W5500 is a library for the ESP32 with Ethernet W5500 to run WebServer
Based on and modified from ESP32-IDF https://github.com/espressif/esp-idf
Built by Khoi Hoang https://github.com/khoih-prog/WebServer_ESP32_W5500
Licensed under GPLv3 license
*****************************************************************************************************************************/
#if !( defined(ESP32) )
#error This code is designed for (ESP32 + W5500) to run on ESP32 platform! Please check your Tools->Board setting.
#endif
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
//////////////////////////////////////////////////////////
// Optional values to override default settings
// Don't change unless you know what you're doing
//#define ETH_SPI_HOST SPI3_HOST
//#define SPI_CLOCK_MHZ 25
// Must connect INT to GPIOxx or not working
//#define INT_GPIO 4
//#define MISO_GPIO 19
//#define MOSI_GPIO 23
//#define SCK_GPIO 18
//#define CS_GPIO 5
//////////////////////////////////////////////////////////
#include <WebServer_ESP32_W5500.h>
WebServer server(80);
// Enter a MAC address and IP address for your controller below.
#define NUMBER_OF_MAC 20
byte mac[][NUMBER_OF_MAC] =
{
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x01 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x02 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x03 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x04 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x05 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x06 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x07 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x08 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x09 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0A },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0B },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0C },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0D },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x0E },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x0F },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x10 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x11 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x12 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0x13 },
{ 0xDE, 0xAD, 0xBE, 0xEF, 0xBE, 0x14 },
};
// Select the IP address according to your local network
IPAddress myIP(192, 168, 2, 232);
IPAddress myGW(192, 168, 2, 1);
IPAddress mySN(255, 255, 255, 0);
// Google DNS Server IP
IPAddress myDNS(8, 8, 8, 8);
//Check if header is present and correct
bool is_authenticated()
{
Serial.println(F("Enter is_authenticated"));
if (server.hasHeader(F("Cookie")))
{
Serial.print(F("Found cookie: "));
String cookie = server.header(F("Cookie"));
Serial.println(cookie);
if (cookie.indexOf(F("ESPSESSIONID=1")) != -1)
{
Serial.println(F("Authentication Successful"));
return true;
}
}
Serial.println(F("Authentication Failed"));
return false;
}
//login page, also called for disconnect
void handleLogin()
{
String msg;
if (server.hasHeader(F("Cookie")))
{
Serial.print(F("Found cookie: "));
String cookie = server.header(F("Cookie"));
Serial.println(cookie);
}
if (server.hasArg(F("DISCONNECT")))
{
Serial.println(F("Disconnection"));
server.sendHeader(F("Location"), F("/login"));
server.sendHeader(F("Cache-Control"), F("no-cache"));
server.sendHeader(F("Set-Cookie"), F("ESPSESSIONID=0"));
server.send(301);
return;
}
if (server.hasArg(F("USERNAME")) && server.hasArg(F("PASSWORD")))
{
if (server.arg(F("USERNAME")) == F("admin") && server.arg(F("PASSWORD")) == F("password"))
{
server.sendHeader(F("Location"), F("/"));
server.sendHeader(F("Cache-Control"), F("no-cache"));
server.sendHeader(F("Set-Cookie"), F("ESPSESSIONID=1"));
server.send(301);
Serial.println(F("Log in Successful"));
return;
}
msg = F("Wrong username/password! try again.");
Serial.println(F("Log in Failed"));
}
String content = F("<html><body><form action='/login' method='POST'>To log in, please use : admin/password<br>");
content += F("User:<input type='text' name='USERNAME' placeholder='user name'><br>");
content += F("Password:<input type='password' name='PASSWORD' placeholder='password'><br>");
content += F("<input type='submit' name='SUBMIT' value='Submit'></form>");
content += msg;
content += F("<br>");
content += F("You also can go <a href='/inline'>here</a></body></html>");
server.send(200, F("text/html"), content);
}
//root page can be accessed only if authentication is ok
void handleRoot()
{
String header;
Serial.println(F("Enter handleRoot"));
if (!is_authenticated())
{
server.sendHeader(F("Location"), F("/login"));
server.sendHeader(F("Cache-Control"), F("no-cache"));
server.send(301);
return;
}
String content = F("<html><body><H2>Hello, you're connected to WebServer_ESP32_W5500 running on ");
content += String(ARDUINO_BOARD);
content += F("!</H2><br>");
if (server.hasHeader(F("User-Agent")))
{
content += F("the user agent used is : ");
content += server.header(F("User-Agent"));
content += F("<br><br>");
}
content += F("You can access this page until you <a href=\"/login?DISCONNECT=YES\">disconnect</a></body></html>");
server.send(200, F("text/html"), content);
}
//no need authentication
void handleNotFound()
{
String message = F("File Not Found\n\n");
message += F("URI: ");
message += server.uri();
message += F("\nMethod: ");
message += (server.method() == HTTP_GET) ? F("GET") : F("POST");
message += F("\nArguments: ");
message += server.args();
message += F("\n");
for (uint8_t i = 0; i < server.args(); i++)
{
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, F("text/plain"), message);
}
void setup()
{
Serial.begin(115200);
while (!Serial && (millis() < 5000));
Serial.print(F("\nStart SimpleAuthentication on "));
Serial.print(ARDUINO_BOARD);
Serial.print(F(" with "));
Serial.println(SHIELD_TYPE);
Serial.println(WEBSERVER_ESP32_W5500_VERSION);
ET_LOGWARN(F("Default SPI pinout:"));
ET_LOGWARN1(F("SPI_HOST:"), ETH_SPI_HOST);
ET_LOGWARN1(F("MOSI:"), MOSI_GPIO);
ET_LOGWARN1(F("MISO:"), MISO_GPIO);
ET_LOGWARN1(F("SCK:"), SCK_GPIO);
ET_LOGWARN1(F("CS:"), CS_GPIO);
ET_LOGWARN1(F("INT:"), INT_GPIO);
ET_LOGWARN1(F("SPI Clock (MHz):"), SPI_CLOCK_MHZ);
ET_LOGWARN(F("========================="));
///////////////////////////////////
// To be called before ETH.begin()
ESP32_W5500_onEvent();
// start the ethernet connection and the server:
// Use DHCP dynamic IP and random mac
//bool begin(int MISO_GPIO, int MOSI_GPIO, int SCLK_GPIO, int CS_GPIO, int INT_GPIO, int SPI_CLOCK_MHZ,
// int SPI_HOST, uint8_t *W6100_Mac = W6100_Default_Mac);
ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST );
//ETH.begin( MISO_GPIO, MOSI_GPIO, SCK_GPIO, CS_GPIO, INT_GPIO, SPI_CLOCK_MHZ, ETH_SPI_HOST, mac[millis() % NUMBER_OF_MAC] );
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
//ETH.config(myIP, myGW, mySN, myDNS);
ESP32_W5500_waitForConnect();
///////////////////////////////////
server.on(F("/"), handleRoot);
server.on(F("/login"), handleLogin);
server.on(F("/inline"), []()
{
server.send(200, F("text/plain"), F("This works without need of authentication"));
});
server.onNotFound(handleNotFound);
//here the list of headers to be recorded
const char * headerkeys[] = {"User-Agent", "Cookie"} ;
size_t headerkeyssize = sizeof(headerkeys) / sizeof(char*);
//ask server to track these headers
server.collectHeaders(headerkeys, headerkeyssize);
server.begin();
Serial.print(F("HTTP SimpleAuthentication is @ IP : "));
Serial.println(ETH.localIP());
}
void loop()
{
server.handleClient();
}