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Added credentials file.

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This commit is contained in:
Holger Weber
2026-02-13 01:36:23 +01:00
parent 53e51dc50b
commit 076b5ba3e5
3 changed files with 183 additions and 113 deletions
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283
src/Config_Web.cpp
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@@ -1,31 +1,37 @@
#include "EggDuino.h"
#include <ArduinoJson.h>
#include "credentials.h"
namespace {
const char *kConfigPath = "/config.json";
const char *kWifiSsid = "Sternenlabor";
const char *kWifiPassword = "!Sternenlabor99!";
namespace
{
const char *kConfigPath = "/config.json";
WebServer server(80);
bool configStoreReady = false;
WebServer server(80);
bool configStoreReady = false;
ConfigParameter *findParameter(const String &key) {
for (size_t i = 0; i < configParameterCount; ++i) {
if (key.equals(configParameters[i].key)) {
return &configParameters[i];
ConfigParameter *findParameter(const String &key)
{
for (size_t i = 0; i < configParameterCount; ++i)
{
if (key.equals(configParameters[i].key))
{
return &configParameters[i];
}
}
return nullptr;
}
void applyDefaults()
{
for (size_t i = 0; i < configParameterCount; ++i)
{
*configParameters[i].value = configParameters[i].defaultValue;
}
}
return nullptr;
}
void applyDefaults() {
for (size_t i = 0; i < configParameterCount; ++i) {
*configParameters[i].value = configParameters[i].defaultValue;
}
}
void handleRoot() {
static const char kPage[] PROGMEM = R"HTML(
void handleRoot()
{
static const char kPage[] PROGMEM = R"HTML(
<!doctype html>
<html lang="de">
<head>
@@ -137,63 +143,74 @@ async function pollLogs() {
</html>
)HTML";
server.send(200, "text/html", kPage);
}
void handleGetConfig() {
if (!configStoreReady && !initConfigStore()) {
server.send(500, "text/plain", "Config storage not available");
return;
}
server.sendHeader("Cache-Control", "no-store, no-cache, must-revalidate");
server.sendHeader("Pragma", "no-cache");
server.sendHeader("Expires", "0");
server.send(200, "application/json", buildConfigJson());
}
void handlePostConfig() {
if (!configStoreReady && !initConfigStore()) {
server.send(500, "text/plain", "Config storage not available");
return;
server.send(200, "text/html", kPage);
}
if (!server.hasArg("plain")) {
server.send(400, "text/plain", "Missing JSON body");
return;
void handleGetConfig()
{
if (!configStoreReady && !initConfigStore())
{
server.send(500, "text/plain", "Config storage not available");
return;
}
server.sendHeader("Cache-Control", "no-store, no-cache, must-revalidate");
server.sendHeader("Pragma", "no-cache");
server.sendHeader("Expires", "0");
server.send(200, "application/json", buildConfigJson());
}
String error;
if (!applyConfigJson(server.arg("plain"), error)) {
Log(String("Config JSON fehlerhaft: ") + error);
server.send(400, "text/plain", error);
return;
void handlePostConfig()
{
if (!configStoreReady && !initConfigStore())
{
server.send(500, "text/plain", "Config storage not available");
return;
}
if (!server.hasArg("plain"))
{
server.send(400, "text/plain", "Missing JSON body");
return;
}
String error;
if (!applyConfigJson(server.arg("plain"), error))
{
Log(String("Config JSON fehlerhaft: ") + error);
server.send(400, "text/plain", error);
return;
}
if (!saveConfigToFile())
{
Log("Config konnte nicht gespeichert werden");
server.send(500, "text/plain", "Could not save config");
return;
}
Log(String("Config gespeichert: penUpPos=") + g_iPEN_UP_POS + ", penDownPos=" + g_iPEN_DOWN_POS);
server.send(200, "application/json", buildConfigJson());
}
if (!saveConfigToFile()) {
Log("Config konnte nicht gespeichert werden");
server.send(500, "text/plain", "Could not save config");
return;
void handleGetLogs()
{
uint32_t since = 0;
if (server.hasArg("since"))
{
since = static_cast<uint32_t>(server.arg("since").toInt());
}
server.send(200, "application/json", buildLogsJson(since));
}
Log(String("Config gespeichert: penUpPos=") + g_iPEN_UP_POS + ", penDownPos=" + g_iPEN_DOWN_POS);
server.send(200, "application/json", buildConfigJson());
}
void handleGetLogs() {
uint32_t since = 0;
if (server.hasArg("since")) {
since = static_cast<uint32_t>(server.arg("since").toInt());
void handleNotFound()
{
if (server.uri().startsWith("/api/"))
{
server.send(404, "text/plain", "API endpoint not found");
return;
}
handleRoot();
}
server.send(200, "application/json", buildLogsJson(since));
}
void handleNotFound() {
if (server.uri().startsWith("/api/")) {
server.send(404, "text/plain", "API endpoint not found");
return;
}
handleRoot();
}
} // namespace
ConfigParameter configParameters[] = {
@@ -203,8 +220,10 @@ ConfigParameter configParameters[] = {
const size_t configParameterCount = sizeof(configParameters) / sizeof(configParameters[0]);
bool initConfigStore() {
if (!SPIFFS.begin(true)) {
bool initConfigStore()
{
if (!SPIFFS.begin(true))
{
configStoreReady = false;
return false;
}
@@ -212,11 +231,13 @@ bool initConfigStore() {
return configStoreReady;
}
bool loadConfigFromFile() {
bool loadConfigFromFile()
{
applyDefaults();
File file = SPIFFS.open(kConfigPath, "r");
if (!file) {
if (!file)
{
Log("config.json fehlt, defaults werden gespeichert");
return saveConfigToFile();
}
@@ -224,25 +245,31 @@ bool loadConfigFromFile() {
StaticJsonDocument<1024> doc;
DeserializationError err = deserializeJson(doc, file);
file.close();
if (err) {
if (err)
{
Log("config.json ist ungueltig, defaults werden gespeichert");
return saveConfigToFile();
}
JsonArray params = doc["parameters"].as<JsonArray>();
for (JsonObject item : params) {
for (JsonObject item : params)
{
const char *key = item["key"];
if (key == nullptr) {
if (key == nullptr)
{
continue;
}
ConfigParameter *param = findParameter(String(key));
if (param == nullptr) {
if (param == nullptr)
{
continue;
}
if (item.containsKey("value")) {
if (item.containsKey("value"))
{
*param->value = item["value"].as<int>();
}
if (item.containsKey("description")) {
if (item.containsKey("description"))
{
param->description = item["description"].as<String>();
}
}
@@ -251,16 +278,19 @@ bool loadConfigFromFile() {
return true;
}
bool saveConfigToFile() {
bool saveConfigToFile()
{
File file = SPIFFS.open(kConfigPath, "w");
if (!file) {
if (!file)
{
Log("SPIFFS open write failed");
return false;
}
StaticJsonDocument<1024> doc;
JsonArray params = doc.createNestedArray("parameters");
for (size_t i = 0; i < configParameterCount; ++i) {
for (size_t i = 0; i < configParameterCount; ++i)
{
JsonObject item = params.createNestedObject();
item["key"] = configParameters[i].key;
item["value"] = *configParameters[i].value;
@@ -270,16 +300,19 @@ bool saveConfigToFile() {
bool ok = serializeJsonPretty(doc, file) > 0;
file.flush();
file.close();
if (!ok) {
if (!ok)
{
Log("serializeJsonPretty failed");
}
return ok;
}
String buildConfigJson() {
String buildConfigJson()
{
StaticJsonDocument<1024> doc;
JsonArray params = doc.createNestedArray("parameters");
for (size_t i = 0; i < configParameterCount; ++i) {
for (size_t i = 0; i < configParameterCount; ++i)
{
JsonObject item = params.createNestedObject();
item["key"] = configParameters[i].key;
item["value"] = *configParameters[i].value;
@@ -291,33 +324,40 @@ String buildConfigJson() {
return output;
}
bool applyConfigJson(const String &payload, String &errorMessage) {
bool applyConfigJson(const String &payload, String &errorMessage)
{
StaticJsonDocument<1024> doc;
DeserializationError err = deserializeJson(doc, payload);
if (err) {
if (err)
{
errorMessage = "Invalid JSON payload";
return false;
}
JsonArray params = doc["parameters"].as<JsonArray>();
if (params.isNull()) {
if (params.isNull())
{
errorMessage = "JSON must contain 'parameters' array";
return false;
}
for (JsonObject item : params) {
for (JsonObject item : params)
{
const char *key = item["key"];
if (key == nullptr || !item.containsKey("value")) {
if (key == nullptr || !item.containsKey("value"))
{
continue;
}
ConfigParameter *param = findParameter(String(key));
if (param == nullptr) {
if (param == nullptr)
{
continue;
}
*param->value = item["value"].as<int>();
if (item.containsKey("description")) {
if (item.containsKey("description"))
{
param->description = item["description"].as<String>();
}
}
@@ -325,31 +365,48 @@ bool applyConfigJson(const String &payload, String &errorMessage) {
return true;
}
void startWebInterface() {
WiFi.mode(WIFI_STA);
WiFi.begin(kWifiSsid, kWifiPassword);
void startWebInterface()
{
if (kWifiSsid != 0)
{
const unsigned long connectStart = millis();
const unsigned long connectTimeoutMs = 20000;
while (WiFi.status() != WL_CONNECTED && millis() - connectStart < connectTimeoutMs) {
delay(250);
WiFi.mode(WIFI_STA);
WiFi.begin(kWifiSsid, kWifiPassword);
const unsigned long connectStart = millis();
const unsigned long connectTimeoutMs = 20000;
while (WiFi.status() != WL_CONNECTED && millis() - connectStart < connectTimeoutMs)
{
delay(250);
}
initConfigStore();
if (WiFi.status() == WL_CONNECTED)
{
Serial.println(String("WLAN verbunden, IP: ") + WiFi.localIP().toString());
}
else
{
Serial.println("WLAN Verbindung fehlgeschlagen");
}
server.on("/", HTTP_GET, handleRoot);
server.on("/api/config", HTTP_GET, handleGetConfig);
server.on("/api/config", HTTP_POST, handlePostConfig);
server.on("/api/logs", HTTP_GET, handleGetLogs);
server.onNotFound(handleNotFound);
server.begin();
}
initConfigStore();
if (WiFi.status() == WL_CONNECTED) {
Serial.println(String("WLAN verbunden, IP: ") + WiFi.localIP().toString());
} else {
Serial.println("WLAN Verbindung fehlgeschlagen");
else
{
Serial.println("Verwende kein WLAN.");
}
server.on("/", HTTP_GET, handleRoot);
server.on("/api/config", HTTP_GET, handleGetConfig);
server.on("/api/config", HTTP_POST, handlePostConfig);
server.on("/api/logs", HTTP_GET, handleGetLogs);
server.onNotFound(handleNotFound);
server.begin();
}
void handleWebInterface() {
server.handleClient();
void handleWebInterface()
{
if (kWifiSsid != NULL)
{
server.handleClient();
}
}