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Formatting all c files

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This commit is contained in:
Carsten Graf
2025-07-12 17:32:16 +02:00
parent 94b30ed7a3
commit 585d2d7d5d
13 changed files with 1129 additions and 1118 deletions
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138
src/licenceing.h
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@@ -1,102 +1,106 @@
#pragma once
#include "mbedtls/md.h"
#include <Arduino.h>
#include <ArduinoJson.h>
#include <ESPAsyncWebServer.h>
#include <Preferences.h>
#include <esp_wifi.h>
#include <master.h>
#include <Preferences.h>
#include <ArduinoJson.h>
#include "mbedtls/md.h"
const char* secret = "542ff224606c61fb3024e22f76ef9ac8";
const char *secret = "542ff224606c61fb3024e22f76ef9ac8";
// Preferences für persistente Speicherung
Preferences preferences;
String licence;
//Prototype für Funktionen
// Prototype für Funktionen
String getUniqueDeviceID();
String hmacSHA256(const String& key, const String& message);
bool checkLicense(const String& deviceID, const String& licenseKey);
void setupLicenceAPI(AsyncWebServer& server);
String hmacSHA256(const String &key, const String &message);
bool checkLicense(const String &deviceID, const String &licenseKey);
void setupLicenceAPI(AsyncWebServer &server);
void saveLicenceToPrefs();
void loadLicenceFromPrefs();
String getUniqueDeviceID() {
uint8_t mac[6];
esp_wifi_get_mac(WIFI_IF_STA, mac); // Use STA MAC for uniqueness
char id[13];
sprintf(id, "%02X%02X%02X%02X%02X%02X",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
return String(id);
uint8_t mac[6];
esp_wifi_get_mac(WIFI_IF_STA, mac); // Use STA MAC for uniqueness
char id[13];
sprintf(id, "%02X%02X%02X%02X%02X%02X", mac[0], mac[1], mac[2], mac[3],
mac[4], mac[5]);
return String(id);
}
String hmacSHA256(const String& key, const String& message) {
byte hmacResult[32];
mbedtls_md_context_t ctx;
mbedtls_md_type_t md_type = MBEDTLS_MD_SHA256;
String hmacSHA256(const String &key, const String &message) {
byte hmacResult[32];
mbedtls_md_context_t ctx;
mbedtls_md_type_t md_type = MBEDTLS_MD_SHA256;
mbedtls_md_init(&ctx);
const mbedtls_md_info_t* md_info = mbedtls_md_info_from_type(md_type);
mbedtls_md_setup(&ctx, md_info, 1);
mbedtls_md_hmac_starts(&ctx, (const unsigned char*)key.c_str(), key.length());
mbedtls_md_hmac_update(&ctx, (const unsigned char*)message.c_str(), message.length());
mbedtls_md_hmac_finish(&ctx, hmacResult);
mbedtls_md_free(&ctx);
mbedtls_md_init(&ctx);
const mbedtls_md_info_t *md_info = mbedtls_md_info_from_type(md_type);
mbedtls_md_setup(&ctx, md_info, 1);
mbedtls_md_hmac_starts(&ctx, (const unsigned char *)key.c_str(),
key.length());
mbedtls_md_hmac_update(&ctx, (const unsigned char *)message.c_str(),
message.length());
mbedtls_md_hmac_finish(&ctx, hmacResult);
mbedtls_md_free(&ctx);
String result = "";
for (int i = 0; i < 32; i++) {
char buf[3];
sprintf(buf, "%02X", hmacResult[i]);
result += buf;
String result = "";
for (int i = 0; i < 32; i++) {
char buf[3];
sprintf(buf, "%02X", hmacResult[i]);
result += buf;
}
return result;
}
int getLicenseTier(const String &deviceID, const String &licenseKey) {
for (int tier = 1; tier <= 4; ++tier) {
String data = deviceID + ":" + String(tier);
String expected = hmacSHA256(secret, data);
if (licenseKey.equalsIgnoreCase(expected)) {
return tier; // Found matching tier
}
return result;
}
return 0; // No valid tier found
}
int getLicenseTier(const String& deviceID, const String& licenseKey) {
for (int tier = 1; tier <= 4; ++tier) {
String data = deviceID + ":" + String(tier);
String expected = hmacSHA256(secret, data);
if (licenseKey.equalsIgnoreCase(expected)) {
return tier; // Found matching tier
}
}
return 0; // No valid tier found
}
void setupLicenceAPI(AsyncWebServer &server) {
void setupLicenceAPI(AsyncWebServer& server) {
server.on("/api/get-licence", HTTP_GET, [](AsyncWebServerRequest *request){
Serial.println("Received request to get licence");
loadLicenceFromPrefs();
String deviceID = getUniqueDeviceID();
int tier = getLicenseTier(deviceID, licence);
String json = "{\"licence\":\"" + licence + "\","
"\"valid\":" + String(tier > 0 ? "true" : "false") +
server.on("/api/get-licence", HTTP_GET, [](AsyncWebServerRequest *request) {
Serial.println("Received request to get licence");
loadLicenceFromPrefs();
String deviceID = getUniqueDeviceID();
int tier = getLicenseTier(deviceID, licence);
String json = "{\"licence\":\"" + licence +
"\","
"\"valid\":" +
String(tier > 0 ? "true" : "false") +
",\"tier\":" + String(tier) + "}";
request->send(200, "application/json", json);
});
});
server.on("/api/set-licence", HTTP_POST, [](AsyncWebServerRequest *request){
Serial.println("Received request to set licence");
if (request->hasParam("licence", true)) {
licence = request->getParam("licence", true)->value();
Serial.println("Received request to set licence " + licence);
saveLicenceToPrefs(); // eigene Funktion
request->send(200, "application/json", "{\"success\":true}");
} else {
request->send(400, "application/json", "{\"success\":false}");
}
});
server.on("/api/set-licence", HTTP_POST, [](AsyncWebServerRequest *request) {
Serial.println("Received request to set licence");
if (request->hasParam("licence", true)) {
licence = request->getParam("licence", true)->value();
Serial.println("Received request to set licence " + licence);
saveLicenceToPrefs(); // eigene Funktion
request->send(200, "application/json", "{\"success\":true}");
} else {
request->send(400, "application/json", "{\"success\":false}");
}
});
Serial.println("Licence API setup complete");
Serial.println("Licence API setup complete");
}
void saveLicenceToPrefs() {
preferences.begin("key", false);
preferences.putString("key", licence);
preferences.end();
preferences.begin("key", false);
preferences.putString("key", licence);
preferences.end();
}
void loadLicenceFromPrefs() {