LoRa_APRS_iGate/src/web_utils.cpp

#include "configuration.h"
#include "ota_utils.h"
#include "web_utils.h"

extern Configuration        Config;

extern const char web_index_html[] asm("_binary_data_embed_index_html_gz_start");
extern const char web_index_html_end[] asm("_binary_data_embed_index_html_gz_end");
extern const size_t web_index_html_len = web_index_html_end - web_index_html;

extern const char web_style_css[] asm("_binary_data_embed_style_css_gz_start");
extern const char web_style_css_end[] asm("_binary_data_embed_style_css_gz_end");
extern const size_t web_style_css_len = web_style_css_end - web_style_css;

extern const char web_script_js[] asm("_binary_data_embed_script_js_gz_start");
extern const char web_script_js_end[] asm("_binary_data_embed_script_js_gz_end");
extern const size_t web_script_js_len = web_script_js_end - web_script_js;

extern const char web_bootstrap_css[] asm("_binary_data_embed_bootstrap_css_gz_start");
extern const char web_bootstrap_css_end[] asm("_binary_data_embed_bootstrap_css_gz_end");
extern const size_t web_bootstrap_css_len = web_bootstrap_css_end - web_bootstrap_css;

extern const char web_bootstrap_js[] asm("_binary_data_embed_bootstrap_js_gz_start");
extern const char web_bootstrap_js_end[] asm("_binary_data_embed_bootstrap_js_gz_end");
extern const size_t web_bootstrap_js_len = web_bootstrap_js_end - web_bootstrap_js;


namespace WEB_Utils {

    AsyncWebServer server(80);

    void loop() {
        
    }

    void handleNotFound(AsyncWebServerRequest *request) {
        AsyncWebServerResponse *response = request->beginResponse(404, "text/plain", "Not found");
        response->addHeader("Cache-Control", "max-age=3600");
        request->send(response);
    }

    void handleStatus(AsyncWebServerRequest *request) {
        request->send(200, "text/plain", "OK");
    }

    void handleHome(AsyncWebServerRequest *request) {
        AsyncWebServerResponse *response = request->beginResponse_P(200, "text/html", (const uint8_t*)web_index_html, web_index_html_len);
        response->addHeader("Content-Encoding", "gzip");
        request->send(response);
    }

    void handleReadConfiguration(AsyncWebServerRequest *request) {
        File file = SPIFFS.open("/igate_conf.json");
        
        String fileContent;
        while(file.available()){
            fileContent += String((char)file.read());
        }

        request->send(200, "application/json", fileContent);
    }

    void handleWriteConfiguration(AsyncWebServerRequest *request) {
        Serial.println("Got new config from www");

        int networks = request->getParam("wifi.APs", true)->value().toInt();

        Config.wifiAPs = {};

        for (int i=0; i<networks; i++) {
            WiFi_AP wifiap;
            wifiap.ssid                   = request->getParam("wifi.AP." + String(i) + ".ssid", true)->value();
            wifiap.password               = request->getParam("wifi.AP." + String(i) + ".password", true)->value();
            wifiap.latitude               = request->getParam("wifi.AP." + String(i) + ".latitude", true)->value().toDouble();
            wifiap.longitude              = request->getParam("wifi.AP." + String(i) + ".longitude", true)->value().toDouble();

            Config.wifiAPs.push_back(wifiap);
        }

        Config.callsign = request->getParam("callsign", true)->value();
        Config.stationMode = request->getParam("stationMode", true)->value().toInt();
        Config.iGateComment = request->getParam("iGateComment", true)->value();
        
        Config.wifiAutoAP.password = request->getParam("wifi.autoAP.password", true)->value();
        Config.wifiAutoAP.powerOff = request->getParam("wifi.autoAP.powerOff", true)->value().toInt();

        Config.digi.comment = request->getParam("digi.comment", true)->value();
        Config.digi.latitude = request->getParam("digi.latitude", true)->value().toDouble();
        Config.digi.longitude = request->getParam("digi.longitude", true)->value().toDouble();

        Config.aprs_is.passcode = request->getParam("aprs_is.passcode", true)->value();
        Config.aprs_is.server = request->getParam("aprs_is.server", true)->value();
        Config.aprs_is.port = request->getParam("aprs_is.port", true)->value().toInt();
        Config.aprs_is.reportingDistance = request->getParam("aprs_is.reportingDistance", true)->value().toInt();

        Config.loramodule.iGateFreq = request->getParam("lora.iGateFreq", true)->value().toInt();

        if (request->hasParam("lora.digirepeaterTxFreq", true)) {
            Config.loramodule.digirepeaterTxFreq = request->getParam("lora.digirepeaterTxFreq", true)->value().toInt();
        }

        if (request->hasParam("lora.digirepeaterRxFreq", true)) {
            Config.loramodule.digirepeaterRxFreq = request->getParam("lora.digirepeaterRxFreq", true)->value().toInt();
        }

        Config.loramodule.spreadingFactor = request->getParam("lora.spreadingFactor", true)->value().toInt();
        Config.loramodule.signalBandwidth = request->getParam("lora.signalBandwidth", true)->value().toInt();
        Config.loramodule.codingRate4 = request->getParam("lora.codingRate4", true)->value().toInt();
        Config.loramodule.power = request->getParam("lora.power", true)->value().toInt();

        Config.display.alwaysOn = request->hasParam("display.alwaysOn", true);

        if (!Config.display.alwaysOn) {
            Config.display.timeout = request->getParam("display.timeout", true)->value().toInt();
        }

        Config.display.turn180 = request->hasParam("display.turn180", true);

        Config.syslog.active = request->hasParam("syslog.active", true);

        if (Config.syslog.active) {
            Config.syslog.server = request->getParam("syslog.server", true)->value();
            Config.syslog.port = request->getParam("syslog.port", true)->value().toInt();
        }

        Config.bme.active = request->hasParam("bme.active", true);

        Config.ota.username = request->getParam("ota.username", true)->value();
        Config.ota.password = request->getParam("ota.password", true)->value();

        Config.beaconInterval = request->getParam("other.beaconInterval", true)->value().toInt();
        Config.igateSendsLoRaBeacons = request->hasParam("other.igateSendsLoRaBeacons", true);
        Config.igateRepeatsLoRaPackets = request->hasParam("other.igateRepeatsLoRaPackets", true);
        Config.rememberStationTime = request->getParam("other.rememberStationTime", true)->value().toInt();
        Config.sendBatteryVoltage = request->hasParam("other.sendBatteryVoltage", true);
        Config.externalVoltageMeasurement = request->hasParam("other.externalVoltageMeasurement", true);

        if (Config.externalVoltageMeasurement) {
            Config.externalVoltagePin = request->getParam("other.externalVoltagePin", true)->value().toInt();
        }

        Config.writeFile();

        AsyncWebServerResponse *response = request->beginResponse(302, "text/html", "");
        response->addHeader("Location", "/");
        request->send(response);

        ESP.restart();
    }

    void handleStyle(AsyncWebServerRequest *request) {
        AsyncWebServerResponse *response = request->beginResponse_P(200, "text/css", (const uint8_t*)web_style_css, web_style_css_len);
        response->addHeader("Content-Encoding", "gzip");
        request->send(response);
    }

    void handleScript(AsyncWebServerRequest *request) {
        AsyncWebServerResponse *response = request->beginResponse_P(200, "text/javascript", (const uint8_t*)web_script_js, web_script_js_len);
        response->addHeader("Content-Encoding", "gzip");
        request->send(response);
    }

    void handleBootstrapStyle(AsyncWebServerRequest *request) {
        AsyncWebServerResponse *response = request->beginResponse_P(200, "text/css", (const uint8_t*)web_bootstrap_css, web_bootstrap_css_len);
        response->addHeader("Content-Encoding", "gzip");
        response->addHeader("Cache-Control", "max-age=3600");
        request->send(response);
    }

    void handleBootstrapScript(AsyncWebServerRequest *request) {
        AsyncWebServerResponse *response = request->beginResponse_P(200, "text/javascript", (const uint8_t*)web_bootstrap_js, web_bootstrap_js_len);
        response->addHeader("Content-Encoding", "gzip");
        response->addHeader("Cache-Control", "max-age=3600");
        request->send(response);
    }

    void setup() {
        server.on("/", HTTP_GET, handleHome);
        server.on("/status", HTTP_GET, handleStatus);
        server.on("/configuration.json", HTTP_GET, handleReadConfiguration);
        server.on("/configuration.json", HTTP_POST, handleWriteConfiguration);
        server.on("/style.css", HTTP_GET, handleStyle);
        server.on("/script.js", HTTP_GET, handleScript);
        server.on("/bootstrap.css", HTTP_GET, handleBootstrapStyle);
        server.on("/bootstrap.js", HTTP_GET, handleBootstrapScript);

        OTA_Utils::setup(&server); // Include OTA Updater for WebServer

        server.onNotFound(handleNotFound);

        server.begin();
    }

}