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Web.cpp
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Web.cpp
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#include <Arduino.h>
#include <WiFi.h>
#include <Update.h>
#include <nvsDump.h>
#include <esp_task_wdt.h>
#include "soc/timer_group_struct.h"
#include "soc/timer_group_reg.h"
#include "freertos/ringbuf.h"
#include "ESPAsyncWebServer.h"
#include "ArduinoJson.h"
#include "settings.h"
#include "AudioPlayer.h"
#include "Battery.h"
#include "Cmd.h"
#include "Common.h"
#include "Ftp.h"
#include "Led.h"
#include "Log.h"
#include "MemX.h"
#include "Mqtt.h"
#include "Rfid.h"
#include "SdCard.h"
#include "System.h"
#include "Web.h"
#include "Wlan.h"
#include "revision.h"
#if (LANGUAGE == DE)
#include "HTMLaccesspoint_DE.h"
#include "HTMLmanagement_DE.h"
#endif
#if (LANGUAGE == EN)
#include "HTMLaccesspoint_EN.h"
#include "HTMLmanagement_EN.h"
#endif
typedef struct {
char nvsKey[13];
char nvsEntry[275];
} nvs_t;
const char mqttTab[] PROGMEM = "<a class=\"nav-item nav-link\" id=\"nav-mqtt-tab\" data-toggle=\"tab\" href=\"#nav-mqtt\" role=\"tab\" aria-controls=\"nav-mqtt\" aria-selected=\"false\"><i class=\"fas fa-network-wired\"></i> MQTT</a>";
const char ftpTab[] PROGMEM = "<a class=\"nav-item nav-link\" id=\"nav-ftp-tab\" data-toggle=\"tab\" href=\"#nav-ftp\" role=\"tab\" aria-controls=\"nav-ftp\" aria-selected=\"false\"><i class=\"fas fa-folder\"></i> FTP</a>";
AsyncWebServer wServer(80);
AsyncWebSocket ws("/ws");
AsyncEventSource events("/events");
static bool webserverStarted = false;
static RingbufHandle_t explorerFileUploadRingBuffer;
static QueueHandle_t explorerFileUploadStatusQueue;
static TaskHandle_t fileStorageTaskHandle;
void Web_DumpSdToNvs(const char *_filename);
static void handleUpload(AsyncWebServerRequest *request, String filename, size_t index, uint8_t *data, size_t len, bool final);
static void explorerHandleFileUpload(AsyncWebServerRequest *request, String filename, size_t index, uint8_t *data, size_t len, bool final);
static void explorerHandleFileStorageTask(void *parameter);
static void explorerHandleListRequest(AsyncWebServerRequest *request);
static void explorerHandleDownloadRequest(AsyncWebServerRequest *request);
static void explorerHandleDeleteRequest(AsyncWebServerRequest *request);
static void explorerHandleCreateRequest(AsyncWebServerRequest *request);
static void explorerHandleRenameRequest(AsyncWebServerRequest *request);
static void explorerHandleAudioRequest(AsyncWebServerRequest *request);
static void handleCoverImageRequest(AsyncWebServerRequest *request);
static bool Web_DumpNvsToSd(const char *_namespace, const char *_destFile);
static void onWebsocketEvent(AsyncWebSocket *server, AsyncWebSocketClient *client, AwsEventType type, void *arg, uint8_t *data, size_t len);
static String templateProcessor(const String &templ);
static void webserverStart(void);
void Web_DeleteCachefile(const char *fileOrDirectory);
// If PSRAM is available use it allocate memory for JSON-objects
struct SpiRamAllocator {
void* allocate(size_t size) {
return ps_malloc(size);
}
void deallocate(void* pointer) {
free(pointer);
}
};
using SpiRamJsonDocument = BasicJsonDocument<SpiRamAllocator>;
void Web_Init(void) {
wServer.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
request->send_P(200, "text/html", accesspoint_HTML);
});
wServer.on("/init", HTTP_POST, [](AsyncWebServerRequest *request) {
if (request->hasParam("ssid", true) && request->hasParam("pwd", true) && request->hasParam("hostname", true)) {
Serial.println(request->getParam("ssid", true)->value());
Serial.println(request->getParam("pwd", true)->value());
Serial.println(request->getParam("hostname", true)->value());
gPrefsSettings.putString("SSID", request->getParam("ssid", true)->value());
gPrefsSettings.putString("Password", request->getParam("pwd", true)->value());
gPrefsSettings.putString("Hostname", request->getParam("hostname", true)->value());
}
request->send_P(200, "text/html", accesspoint_HTML);
});
wServer.on("/restart", HTTP_GET, [](AsyncWebServerRequest *request) {
#if (LANGUAGE == DE)
request->send(200, "text/html", "ESPuino wird neu gestartet...");
#else
request->send(200, "text/html", "ESPuino is being restarted...");
#endif
Serial.flush();
ESP.restart();
});
wServer.on("/shutdown", HTTP_GET, [](AsyncWebServerRequest *request) {
#if (LANGUAGE == DE)
request->send(200, "text/html", "ESPuino wird ausgeschaltet...");
#else
request->send(200, "text/html", "ESPuino is being shutdown...");
#endif
System_RequestSleep();
});
// allow cors for local debug (https://github.com/me-no-dev/ESPAsyncWebServer/issues/1080)
DefaultHeaders::Instance().addHeader("Access-Control-Allow-Headers", "Accept, Content-Type, Authorization");
DefaultHeaders::Instance().addHeader("Access-Control-Allow-Credentials", "true");
DefaultHeaders::Instance().addHeader("Access-Control-Allow-Origin", "*");
wServer.begin();
Log_Println((char *) FPSTR(httpReady), LOGLEVEL_NOTICE);
}
void Web_Cyclic(void) {
webserverStart();
ws.cleanupClients();
}
void notFound(AsyncWebServerRequest *request) {
request->send(404, "text/plain", "Not found");
}
void webserverStart(void) {
if (Wlan_IsConnected() && !webserverStarted) {
// attach AsyncWebSocket for Mgmt-Interface
ws.onEvent(onWebsocketEvent);
wServer.addHandler(&ws);
// attach AsyncEventSource
wServer.addHandler(&events);
// Default
wServer.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
if (gFSystem.exists("/.html/index.htm")) {
// serve webpage from SD card
request->send(gFSystem, "/.html/index.htm", String(), false, templateProcessor);
} else {
// serve webpage from PROGMEM
request->send_P(200, "text/html", management_HTML, templateProcessor);
}
});
// Log
wServer.on("/log", HTTP_GET, [](AsyncWebServerRequest *request) {
request->send(200, "text/plain; charset=utf-8", Log_GetRingBuffer());
});
// software/wifi/heap/psram-info
wServer.on(
"/info", HTTP_GET, [](AsyncWebServerRequest *request) {
String info = "ESPuino " + (String) softwareRevision;
info += "\nESP-IDF version: " + String(ESP.getSdkVersion());
#if (LANGUAGE == DE)
info += "\nFreier Heap: " + String(ESP.getFreeHeap()) + " Bytes";
info += "\nGroesster freier Heap-Block: " + String((uint32_t)heap_caps_get_largest_free_block(MALLOC_CAP_8BIT)) + " Bytes";
info += "\nFreier PSRAM: ";
info += (!psramInit()) ? "nicht verfuegbar" : String(ESP.getFreePsram());
if (Wlan_IsConnected()) {
IPAddress myIP = WiFi.localIP();
info += "\nAktuelle IP: " + String(myIP[0]) + '.' + String(myIP[1]) + '.' + String(myIP[2]) + '.' + String(myIP[3]);
info += "\nWLAN-Signalstaerke: " + String((int8_t)Wlan_GetRssi()) + " dBm";
}
#else
info += "\nFree heap: " + String(ESP.getFreeHeap()) + " bytes";
info += "\nLargest free heap-block: " + String((uint32_t)heap_caps_get_largest_free_block(MALLOC_CAP_8BIT)) + " bytes";
info += "\nFree PSRAM: ";
info += (!psramInit()) ? "not available" : String(ESP.getFreePsram());
if (Wlan_IsConnected()) {
IPAddress myIP = WiFi.localIP();
info += "\nCurrent IP: " + String(myIP[0]) + '.' + String(myIP[1]) + '.' + String(myIP[2]) + '.' + String(myIP[3]);
info += "\nWiFi signal-strength: " + String((int8_t)Wlan_GetRssi()) + " dBm";
}
#endif
#ifdef BATTERY_MEASURE_ENABLE
snprintf(Log_Buffer, Log_BufferLength, "\n%s: %.2f V", (char *) FPSTR(currentVoltageMsg), Battery_GetVoltage());
info += (String) Log_Buffer;
snprintf(Log_Buffer, Log_BufferLength, "\n%s: %.2f %%", (char *)FPSTR(currentChargeMsg), Battery_EstimateLevel() * 100);
info += (String) Log_Buffer;
#endif
request->send_P(200, "text/plain", info.c_str());
});
// NVS-backup-upload
wServer.on(
"/upload", HTTP_POST, [](AsyncWebServerRequest *request) {
request->send_P(200, "text/html", backupRecoveryWebsite);
},
handleUpload);
// OTA-upload
wServer.on(
"/update", HTTP_POST, [](AsyncWebServerRequest *request) {
#ifdef BOARD_HAS_16MB_FLASH_AND_OTA_SUPPORT
request->send(200, "text/html", restartWebsite); },
#else
request->send(200, "text/html", otaNotSupportedWebsite); },
#endif
[](AsyncWebServerRequest *request, String filename, size_t index, uint8_t *data, size_t len, bool final) {
#ifndef BOARD_HAS_16MB_FLASH_AND_OTA_SUPPORT
Log_Println((char *) FPSTR(otaNotSupported), LOGLEVEL_NOTICE);
return;
#endif
if (!index) {
if (!gPlayProperties.pausePlay) { // Pause playback as it sounds ugly when OTA starts
Cmd_Action(CMD_PLAYPAUSE); // Pause first to possibly to save last playposition (if necessary)
Cmd_Action(CMD_STOP);
}
Update.begin();
Log_Println((char *) FPSTR(fwStart), LOGLEVEL_NOTICE);
}
Update.write(data, len);
Serial.print(".");
if (final) {
Update.end(true);
Log_Println((char *) FPSTR(fwEnd), LOGLEVEL_NOTICE);
Serial.flush();
ESP.restart();
}
});
// ESP-restart
wServer.on("/restart", HTTP_GET, [](AsyncWebServerRequest *request) {
request->send_P(200, "text/html", restartWebsite);
Serial.flush();
ESP.restart();
});
// ESP-shutdown
wServer.on("/shutdown", HTTP_GET, [](AsyncWebServerRequest *request) {
request->send_P(200, "text/html", shutdownWebsite);
System_RequestSleep();
});
// ESP-shutdown
wServer.on("/rfidnvserase", HTTP_GET, [](AsyncWebServerRequest *request) {
request->send_P(200, "text/html", eraseRfidNvsWeb);
Log_Println((char *) FPSTR(eraseRfidNvs), LOGLEVEL_NOTICE);
gPrefsRfid.clear();
Web_DumpNvsToSd("rfidTags", (const char*) FPSTR(backupFile));
});
// Fileexplorer (realtime)
wServer.on("/explorer", HTTP_GET, explorerHandleListRequest);
wServer.on(
"/explorer", HTTP_POST, [](AsyncWebServerRequest *request) {
request->send(200);
},
explorerHandleFileUpload);
wServer.on("/explorerdownload", HTTP_GET, explorerHandleDownloadRequest);
wServer.on("/explorer", HTTP_DELETE, explorerHandleDeleteRequest);
wServer.on("/explorer", HTTP_PUT, explorerHandleCreateRequest);
wServer.on("/explorer", HTTP_PATCH, explorerHandleRenameRequest);
wServer.on("/exploreraudio", HTTP_POST, explorerHandleAudioRequest);
// current cover image
wServer.on("/cover", HTTP_GET, handleCoverImageRequest);
// ESPuino logo
wServer.on("/logo", HTTP_GET, [](AsyncWebServerRequest *request) {
Serial.println("logo request");
if (gFSystem.exists("/.html/logo.png")) {
request->send(gFSystem, "/.html/logo.png", "image/png");
return;
};
if (gFSystem.exists("/.html/logo.svg")) {
request->send(gFSystem, "/.html/logo.svg", "image/svg+xml");
return;
};
request->redirect("https://www.espuino.de/espuino/Espuino32.png");
});
// ESPuino favicon
wServer.on("/favicon", HTTP_GET, [](AsyncWebServerRequest *request) {
Serial.println("favicon request");
if (gFSystem.exists("/.html/favicon.ico")) {
request->send(gFSystem, "/.html/favicon.png", "image/x-icon");
return;
};
request->redirect("https://espuino.de/espuino/favicon.ico");
});
wServer.onNotFound(notFound);
// allow cors for local debug
DefaultHeaders::Instance().addHeader("Access-Control-Allow-Origin", "*");
wServer.begin();
webserverStarted = true;
}
}
// Used for substitution of some variables/templates of html-files. Is called by webserver's template-engine
String templateProcessor(const String &templ) {
if (templ == "FTP_USER") {
return gPrefsSettings.getString("ftpuser", "-1");
} else if (templ == "FTP_PWD") {
return gPrefsSettings.getString("ftppassword", "-1");
} else if (templ == "FTP_USER_LENGTH") {
return String(ftpUserLength - 1);
} else if (templ == "FTP_PWD_LENGTH") {
return String(ftpPasswordLength - 1);
} else if (templ == "SHOW_FTP_TAB") { // Only show FTP-tab if FTP-support was compiled
#ifdef FTP_ENABLE
return (String) FPSTR(ftpTab);
#else
return String();
#endif
} else if (templ == "INIT_LED_BRIGHTNESS") {
return String(gPrefsSettings.getUChar("iLedBrightness", 0));
} else if (templ == "NIGHT_LED_BRIGHTNESS") {
return String(gPrefsSettings.getUChar("nLedBrightness", 0));
} else if (templ == "MAX_INACTIVITY") {
return String(gPrefsSettings.getUInt("mInactiviyT", 0));
} else if (templ == "INIT_VOLUME") {
return String(gPrefsSettings.getUInt("initVolume", 0));
} else if (templ == "CURRENT_VOLUME") {
return String(AudioPlayer_GetCurrentVolume());
} else if (templ == "MAX_VOLUME_SPEAKER") {
return String(gPrefsSettings.getUInt("maxVolumeSp", 0));
} else if (templ == "MAX_VOLUME_HEADPHONE") {
return String(gPrefsSettings.getUInt("maxVolumeHp", 0));
#ifdef BATTERY_MEASURE_ENABLE
#ifdef MEASURE_BATTERY_VOLTAGE
} else if (templ == "WARNING_LOW_VOLTAGE") {
return String(gPrefsSettings.getFloat("wLowVoltage", warningLowVoltage));
} else if (templ == "VOLTAGE_INDICATOR_LOW") {
return String(gPrefsSettings.getFloat("vIndicatorLow", voltageIndicatorLow));
} else if (templ == "VOLTAGE_INDICATOR_HIGH") {
return String(gPrefsSettings.getFloat("vIndicatorHigh", voltageIndicatorHigh));
#endif
#ifdef MEASURE_BATTERY_OTHER // placeholder
} else if (templ == "todo") {
return "todo";
#endif
} else if (templ == "BATTERY_CHECK_INTERVAL") {
return String(gPrefsSettings.getUInt("vCheckIntv", batteryCheckInterval));
#else
// TODO: hide battery config
#endif
} else if (templ == "MQTT_SERVER") {
return gPrefsSettings.getString("mqttServer", "-1");
} else if (templ == "SHOW_MQTT_TAB") { // Only show MQTT-tab if MQTT-support was compiled
#ifdef MQTT_ENABLE
return (String) FPSTR(mqttTab);
#else
return String();
#endif
} else if (templ == "MQTT_ENABLE") {
if (Mqtt_IsEnabled()) {
return String("checked=\"checked\"");
} else {
return String();
}
} else if (templ == "MQTT_USER") {
return gPrefsSettings.getString("mqttUser", "-1");
} else if (templ == "MQTT_PWD") {
return gPrefsSettings.getString("mqttPassword", "-1");
} else if (templ == "MQTT_USER_LENGTH") {
return String(mqttUserLength - 1);
} else if (templ == "MQTT_PWD_LENGTH") {
return String(mqttPasswordLength - 1);
} else if (templ == "MQTT_SERVER_LENGTH") {
return String(mqttServerLength - 1);
} else if (templ == "MQTT_PORT") {
return String(gMqttPort);
} else if (templ == "IPv4") {
IPAddress myIP = WiFi.localIP();
snprintf(Log_Buffer, Log_BufferLength, "%d.%d.%d.%d", myIP[0], myIP[1], myIP[2], myIP[3]);
return String(Log_Buffer);
} else if (templ == "RFID_TAG_ID") {
return String(gCurrentRfidTagId);
} else if (templ == "HOSTNAME") {
return gPrefsSettings.getString("Hostname", "-1");
}
return String();
}
// Takes inputs from webgui, parses JSON and saves values in NVS
// If operation was successful (NVS-write is verified) true is returned
bool processJsonRequest(char *_serialJson) {
if (!_serialJson) {
return false;
}
#ifdef BOARD_HAS_PSRAM
SpiRamJsonDocument doc(1000);
#else
StaticJsonDocument<1000> doc;
#endif
DeserializationError error = deserializeJson(doc, _serialJson);
if (error) {
#if (LANGUAGE == DE)
Serial.print(F("deserializeJson() fehlgeschlagen: "));
#else
Serial.print(F("deserializeJson() failed: "));
#endif
Serial.println(error.c_str());
return false;
}
JsonObject object = doc.as<JsonObject>();
if (doc.containsKey("general")) {
uint8_t iVol = doc["general"]["iVol"].as<uint8_t>();
uint8_t mVolSpeaker = doc["general"]["mVolSpeaker"].as<uint8_t>();
uint8_t mVolHeadphone = doc["general"]["mVolHeadphone"].as<uint8_t>();
uint8_t iBright = doc["general"]["iBright"].as<uint8_t>();
uint8_t nBright = doc["general"]["nBright"].as<uint8_t>();
uint8_t iTime = doc["general"]["iTime"].as<uint8_t>();
float vWarning = doc["general"]["vWarning"].as<float>();
float vIndLow = doc["general"]["vIndLow"].as<float>();
float vIndHi = doc["general"]["vIndHi"].as<float>();
uint8_t vInt = doc["general"]["vInt"].as<uint8_t>();
gPrefsSettings.putUInt("initVolume", iVol);
gPrefsSettings.putUInt("maxVolumeSp", mVolSpeaker);
gPrefsSettings.putUInt("maxVolumeHp", mVolHeadphone);
gPrefsSettings.putUChar("iLedBrightness", iBright);
gPrefsSettings.putUChar("nLedBrightness", nBright);
gPrefsSettings.putUInt("mInactiviyT", iTime);
gPrefsSettings.putFloat("wLowVoltage", vWarning);
gPrefsSettings.putFloat("vIndicatorLow", vIndLow);
gPrefsSettings.putFloat("vIndicatorHigh", vIndHi);
gPrefsSettings.putUInt("vCheckIntv", vInt);
// Check if settings were written successfully
if (gPrefsSettings.getUInt("initVolume", 0) != iVol ||
gPrefsSettings.getUInt("maxVolumeSp", 0) != mVolSpeaker ||
gPrefsSettings.getUInt("maxVolumeHp", 0) != mVolHeadphone ||
gPrefsSettings.getUChar("iLedBrightness", 0) != iBright ||
gPrefsSettings.getUChar("nLedBrightness", 0) != nBright ||
gPrefsSettings.getUInt("mInactiviyT", 0) != iTime ||
gPrefsSettings.getFloat("wLowVoltage", 999.99) != vWarning ||
gPrefsSettings.getFloat("vIndicatorLow", 999.99) != vIndLow ||
gPrefsSettings.getFloat("vIndicatorHigh", 999.99) != vIndHi ||
gPrefsSettings.getUInt("vCheckIntv", 17777) != vInt) {
return false;
}
Battery_Init();
} else if (doc.containsKey("ftp")) {
const char *_ftpUser = doc["ftp"]["ftpUser"];
const char *_ftpPwd = doc["ftp"]["ftpPwd"];
gPrefsSettings.putString("ftpuser", (String)_ftpUser);
gPrefsSettings.putString("ftppassword", (String)_ftpPwd);
if (!(String(_ftpUser).equals(gPrefsSettings.getString("ftpuser", "-1")) ||
String(_ftpPwd).equals(gPrefsSettings.getString("ftppassword", "-1")))) {
return false;
}
} else if (doc.containsKey("ftpStatus")) {
uint8_t _ftpStart = doc["ftpStatus"]["start"].as<uint8_t>();
if (_ftpStart == 1) { // ifdef FTP_ENABLE is checked in Ftp_EnableServer()
Ftp_EnableServer();
}
} else if (doc.containsKey("mqtt")) {
uint8_t _mqttEnable = doc["mqtt"]["mqttEnable"].as<uint8_t>();
const char *_mqttServer = object["mqtt"]["mqttServer"];
gPrefsSettings.putUChar("enableMQTT", _mqttEnable);
gPrefsSettings.putString("mqttServer", (String)_mqttServer);
const char *_mqttUser = doc["mqtt"]["mqttUser"];
const char *_mqttPwd = doc["mqtt"]["mqttPwd"];
uint16_t _mqttPort = doc["mqtt"]["mqttPort"].as<uint16_t>();
gPrefsSettings.putUChar("enableMQTT", _mqttEnable);
gPrefsSettings.putString("mqttServer", (String)_mqttServer);
gPrefsSettings.putString("mqttServer", (String)_mqttServer);
gPrefsSettings.putString("mqttUser", (String)_mqttUser);
gPrefsSettings.putString("mqttPassword", (String)_mqttPwd);
gPrefsSettings.putUInt("mqttPort", _mqttPort);
if ((gPrefsSettings.getUChar("enableMQTT", 99) != _mqttEnable) ||
(!String(_mqttServer).equals(gPrefsSettings.getString("mqttServer", "-1")))) {
return false;
}
} else if (doc.containsKey("rfidMod")) {
const char *_rfidIdModId = object["rfidMod"]["rfidIdMod"];
uint8_t _modId = object["rfidMod"]["modId"];
char rfidString[12];
if (_modId <= 0) {
gPrefsRfid.remove(_rfidIdModId);
} else {
snprintf(rfidString, sizeof(rfidString) / sizeof(rfidString[0]), "%s0%s0%s%u%s0", stringDelimiter, stringDelimiter, stringDelimiter, _modId, stringDelimiter);
gPrefsRfid.putString(_rfidIdModId, rfidString);
String s = gPrefsRfid.getString(_rfidIdModId, "-1");
if (s.compareTo(rfidString)) {
return false;
}
}
Web_DumpNvsToSd("rfidTags", (const char*) FPSTR(backupFile)); // Store backup-file every time when a new rfid-tag is programmed
} else if (doc.containsKey("rfidAssign")) {
const char *_rfidIdAssinId = object["rfidAssign"]["rfidIdMusic"];
char _fileOrUrlAscii[MAX_FILEPATH_LENTGH];
convertUtf8ToAscii(object["rfidAssign"]["fileOrUrl"], _fileOrUrlAscii);
uint8_t _playMode = object["rfidAssign"]["playMode"];
char rfidString[275];
snprintf(rfidString, sizeof(rfidString) / sizeof(rfidString[0]), "%s%s%s0%s%u%s0", stringDelimiter, _fileOrUrlAscii, stringDelimiter, stringDelimiter, _playMode, stringDelimiter);
gPrefsRfid.putString(_rfidIdAssinId, rfidString);
Serial.println(_rfidIdAssinId);
Serial.println(rfidString);
String s = gPrefsRfid.getString(_rfidIdAssinId, "-1");
if (s.compareTo(rfidString)) {
return false;
}
Web_DumpNvsToSd("rfidTags", (const char*) FPSTR(backupFile)); // Store backup-file every time when a new rfid-tag is programmed
} else if (doc.containsKey("wifiConfig")) {
const char *_ssid = object["wifiConfig"]["ssid"];
const char *_pwd = object["wifiConfig"]["pwd"];
const char *_hostname = object["wifiConfig"]["hostname"];
gPrefsSettings.putString("SSID", _ssid);
gPrefsSettings.putString("Password", _pwd);
gPrefsSettings.putString("Hostname", (String)_hostname);
String sSsid = gPrefsSettings.getString("SSID", "-1");
String sPwd = gPrefsSettings.getString("Password", "-1");
String sHostname = gPrefsSettings.getString("Hostname", "-1");
if (sSsid.compareTo(_ssid) || sPwd.compareTo(_pwd)) {
return false;
}
}
else if (doc.containsKey("ping")) {
Web_SendWebsocketData(0, 20);
return false;
} else if (doc.containsKey("controls")) {
if (object["controls"].containsKey("set_volume")) {
uint8_t new_vol = doc["controls"]["set_volume"].as<uint8_t>();
AudioPlayer_VolumeToQueueSender(new_vol, true);
} if (object["controls"].containsKey("action")) {
uint8_t cmd = doc["controls"]["action"].as<uint8_t>();
Cmd_Action(cmd);
}
} else if (doc.containsKey("trackinfo")) {
Web_SendWebsocketData(0, 30);
} else if (doc.containsKey("coverimg")) {
Web_SendWebsocketData(0, 40);
} else if (doc.containsKey("volume")) {
Web_SendWebsocketData(0, 50);
}
return true;
}
// Sends JSON-answers via websocket
void Web_SendWebsocketData(uint32_t client, uint8_t code) {
char *jBuf = (char *) x_calloc(255, sizeof(char));
const size_t CAPACITY = JSON_OBJECT_SIZE(1) + 200;
StaticJsonDocument<CAPACITY> doc;
JsonObject object = doc.to<JsonObject>();
if (code == 1) {
object["status"] = "ok";
} else if (code == 2) {
object["status"] = "error";
} else if (code == 10) {
object["rfidId"] = gCurrentRfidTagId;
} else if (code == 20) {
object["pong"] = "pong";
object["rssi"] = Wlan_GetRssi();
// todo: battery percent + loading status +++
//object["battery"] = Battery_GetVoltage();
} else if (code == 30) {
JsonObject entry = object.createNestedObject("trackinfo");
entry["pausePlay"] = gPlayProperties.pausePlay;
entry["currentTrackNumber"] = gPlayProperties.currentTrackNumber + 1;
entry["numberOfTracks"] = gPlayProperties.numberOfTracks;
entry["volume"] = AudioPlayer_GetCurrentVolume();
if (gPlayProperties.title != NULL && strcmp(gPlayProperties.title, "") != 0) {
// show current audio title from id3 metadata
if (gPlayProperties.numberOfTracks > 1) {
snprintf(Log_Buffer, Log_BufferLength, "(%u / %u): %s", gPlayProperties.currentTrackNumber+1, gPlayProperties.numberOfTracks, gPlayProperties.title);
} else {
snprintf(Log_Buffer, Log_BufferLength, "%s", gPlayProperties.title);
};
char utf8Buffer[200];
convertAsciiToUtf8(Log_Buffer, utf8Buffer);
entry["name"] = utf8Buffer;
} else if (gPlayProperties.playMode == NO_PLAYLIST) {
// no active playlist
entry["name"] = (char *)FPSTR (noPlaylist);
} else {
// show current playlist item
snprintf(Log_Buffer, Log_BufferLength, "(%u / %u): %s", gPlayProperties.currentTrackNumber+1, gPlayProperties.numberOfTracks, *(gPlayProperties.playlist + gPlayProperties.currentTrackNumber));
char utf8Buffer[200];
convertAsciiToUtf8(Log_Buffer, utf8Buffer);
entry["name"] = utf8Buffer;
}
} else if (code == 40) {
object["coverimg"] = "coverimg";
} else if (code == 50) {
object["volume"] = AudioPlayer_GetCurrentVolume();
};
serializeJson(doc, jBuf, 255);
if (client == 0) {
ws.printfAll(jBuf);
} else {
ws.printf(client, jBuf);
}
free(jBuf);
}
// Processes websocket-requests
void onWebsocketEvent(AsyncWebSocket *server, AsyncWebSocketClient *client, AwsEventType type, void *arg, uint8_t *data, size_t len) {
if (type == WS_EVT_CONNECT) {
//client connected
Serial.printf("ws[%s][%u] connect\n", server->url(), client->id());
//client->printf("Hello Client %u :)", client->id());
//client->ping();
} else if (type == WS_EVT_DISCONNECT) {
//client disconnected
Serial.printf("ws[%s][%u] disconnect\n", server->url(), client->id());
} else if (type == WS_EVT_ERROR) {
//error was received from the other end
Serial.printf("ws[%s][%u] error(%u): %s\n", server->url(), client->id(), *((uint16_t *)arg), (char *)data);
} else if (type == WS_EVT_PONG) {
//pong message was received (in response to a ping request maybe)
Serial.printf("ws[%s][%u] pong[%u]: %s\n", server->url(), client->id(), len, (len) ? (char *)data : "");
} else if (type == WS_EVT_DATA) {
//data packet
AwsFrameInfo *info = (AwsFrameInfo *)arg;
if (info && info->final && info->index == 0 && info->len == len && client && len > 0) {
//the whole message is in a single frame and we got all of it's data
Serial.printf("ws[%s][%u] %s-message[%llu]: ", server->url(), client->id(), (info->opcode == WS_TEXT) ? "text" : "binary", info->len);
if (processJsonRequest((char *)data)) {
if (data && (strncmp((char *)data, "getTrack", 8))) { // Don't send back ok-feedback if track's name is requested in background
Web_SendWebsocketData(client->id(), 1);
}
}
if (info->opcode == WS_TEXT) {
data[len] = 0;
Serial.printf("%s\n", (char *)data);
} else {
for (size_t i = 0; i < info->len; i++) {
Serial.printf("%02x ", data[i]);
}
Serial.printf("\n");
}
}
}
}
void explorerCreateParentDirectories(const char* filePath) {
char tmpPath[MAX_FILEPATH_LENTGH];
char *rest;
rest = strchr(filePath, '/');
while (rest) {
if (rest-filePath != 0){
memcpy(tmpPath, filePath, rest-filePath);
tmpPath[rest-filePath] = '\0';
printf("creating dir \"%s\"\n", tmpPath);
gFSystem.mkdir(tmpPath);
}
rest = strchr(rest+1, '/');
}
}
// Handles file upload request from the explorer
// requires a GET parameter path, as directory path to the file
void explorerHandleFileUpload(AsyncWebServerRequest *request, String filename, size_t index, uint8_t *data, size_t len, bool final) {
System_UpdateActivityTimer();
// New File
if (!index) {
String utf8FilePath;
static char filePath[MAX_FILEPATH_LENTGH];
if (request->hasParam("path")) {
AsyncWebParameter *param = request->getParam("path");
utf8FilePath = param->value() + "/" + filename;
} else {
utf8FilePath = "/" + filename;
}
convertUtf8ToAscii(utf8FilePath, filePath);
snprintf(Log_Buffer, Log_BufferLength, "%s: %s", (char *)FPSTR (writingFile), utf8FilePath.c_str());
Log_Println(Log_Buffer, LOGLEVEL_INFO);
Web_DeleteCachefile(utf8FilePath.c_str());
// Create Parent directories
explorerCreateParentDirectories(filePath);
// Create Ringbuffer for upload
if (explorerFileUploadRingBuffer == NULL) {
explorerFileUploadRingBuffer = xRingbufferCreate(8192, RINGBUF_TYPE_BYTEBUF);
}
// Create Queue for receiving a signal from the store task as synchronisation
if (explorerFileUploadStatusQueue == NULL) {
explorerFileUploadStatusQueue = xQueueCreate(1, sizeof(uint8_t));
}
// Create Task for handling the storage of the data
xTaskCreatePinnedToCore(
explorerHandleFileStorageTask, /* Function to implement the task */
"fileStorageTask", /* Name of the task */
4000, /* Stack size in words */
filePath, /* Task input parameter */
2 | portPRIVILEGE_BIT, /* Priority of the task */
&fileStorageTaskHandle, /* Task handle. */
1 /* Core where the task should run */
);
}
if (len) {
// stream the incoming chunk to the ringbuffer
xRingbufferSend(explorerFileUploadRingBuffer, data, len, portTICK_PERIOD_MS * 1000);
}
if (final) {
// notify storage task that last data was stored on the ring buffer
xTaskNotify(fileStorageTaskHandle, 1u, eNoAction);
// watit until the storage task is sending the signal to finish
uint8_t signal;
xQueueReceive(explorerFileUploadStatusQueue, &signal, portMAX_DELAY);
// delete task
vTaskDelete(fileStorageTaskHandle);
}
}
// feed the watchdog timer without delay
void feedTheDog(void) {
#ifdef SD_MMC_1BIT_MODE
// feed dog 0
TIMERG0.wdt_wprotect=TIMG_WDT_WKEY_VALUE; // write enable
TIMERG0.wdt_feed=1; // feed dog
TIMERG0.wdt_wprotect=0; // write protect
// feed dog 1
TIMERG1.wdt_wprotect=TIMG_WDT_WKEY_VALUE; // write enable
TIMERG1.wdt_feed=1; // feed dog
TIMERG1.wdt_wprotect=0; // write protect
#else
// Without delay upload-feature is broken for SD via SPI (for whatever reason...)
vTaskDelay(portTICK_PERIOD_MS * 11);
#endif
}
void explorerHandleFileStorageTask(void *parameter) {
File uploadFile;
size_t item_size;
size_t bytesOk = 0;
size_t bytesNok = 0;
uint32_t chunkCount = 0;
uint32_t transferStartTimestamp = millis();
uint8_t *item;
uint8_t value = 0;
uint32_t lastUpdateTimestamp = millis();
uint32_t maxUploadDelay = 20; // After this delay (in seconds) task will be deleted as transfer is considered to be finally broken
BaseType_t uploadFileNotification;
uint32_t uploadFileNotificationValue;
uploadFile = gFSystem.open((char *)parameter, "w");
size_t maxItems = xRingbufferGetMaxItemSize(explorerFileUploadRingBuffer);
for (;;) {
// check buffer is filled with enough data
size_t itemsFree = xRingbufferGetCurFreeSize(explorerFileUploadRingBuffer);
item_size = maxItems - itemsFree;
if (item_size < (maxItems / 2)) {
// not enough data in the buffer, check if all data arrived for the file
uploadFileNotification = xTaskNotifyWait(0, 0, &uploadFileNotificationValue, 0);
if (uploadFileNotification == pdPASS) {
item = (uint8_t *)xRingbufferReceive(explorerFileUploadRingBuffer, &item_size, portTICK_PERIOD_MS * 100);
if (item != NULL) {
chunkCount++;
if (!uploadFile.write(item, item_size)) {
bytesNok += item_size;
} else {
bytesOk += item_size;
}
vRingbufferReturnItem(explorerFileUploadRingBuffer, (void *)item);
vTaskDelay(portTICK_PERIOD_MS * 20);
}
uploadFile.close();
snprintf(Log_Buffer, Log_BufferLength, "%s: %s => %zu bytes in %lu ms (%lu kiB/s)", (char *)FPSTR (fileWritten), (char *)parameter, bytesNok+bytesOk, (millis() - transferStartTimestamp), (bytesNok+bytesOk)/(millis() - transferStartTimestamp));
Log_Println(Log_Buffer, LOGLEVEL_INFO);
snprintf(Log_Buffer, Log_BufferLength, "Bytes [ok] %zu / [not ok] %zu, Chunks: %zu\n", bytesOk, bytesNok, chunkCount);
Log_Println(Log_Buffer, LOGLEVEL_DEBUG);
// done exit loop to terminate
break;
}
if (lastUpdateTimestamp + maxUploadDelay * 1000 < millis()) {
snprintf(Log_Buffer, Log_BufferLength, (char *) FPSTR(webTxCanceled));
Log_Println(Log_Buffer, LOGLEVEL_ERROR);
vTaskDelete(NULL);
return;
}
vTaskDelay(portTICK_PERIOD_MS * 5);
continue;
}
item = (uint8_t *)xRingbufferReceive(explorerFileUploadRingBuffer, &item_size, portTICK_PERIOD_MS * 100);
if (item != NULL) {
chunkCount++;
if (!uploadFile.write(item, item_size)) {
bytesNok += item_size;
feedTheDog();
} else {
bytesOk += item_size;
}
vRingbufferReturnItem(explorerFileUploadRingBuffer, (void *)item);
feedTheDog();
lastUpdateTimestamp = millis();
}
}
// send signal to upload function to terminate
xQueueSend(explorerFileUploadStatusQueue, &value, 0);
vTaskDelete(NULL);
}
// Sends a list of the content of a directory as JSON file
// requires a GET parameter path for the directory
void explorerHandleListRequest(AsyncWebServerRequest *request) {
uint32_t listStartTimestamp = millis();
//DynamicJsonDocument jsonBuffer(8192);
#ifdef BOARD_HAS_PSRAM
SpiRamJsonDocument jsonBuffer(65636);
#else
StaticJsonDocument<8192> jsonBuffer;
#endif
String serializedJsonString;
AsyncWebParameter *param;
char filePath[MAX_FILEPATH_LENTGH];
JsonArray obj = jsonBuffer.createNestedArray();
File root;
if (request->hasParam("path")) {
param = request->getParam("path");
convertUtf8ToAscii(param->value(), filePath);
root = gFSystem.open(filePath);
} else {
root = gFSystem.open("/");
}
if (!root) {
snprintf(Log_Buffer, Log_BufferLength, (char *) FPSTR(failedToOpenDirectory));
Log_Println(Log_Buffer, LOGLEVEL_DEBUG);
return;
}
if (!root.isDirectory()) {
snprintf(Log_Buffer, Log_BufferLength, (char *) FPSTR(notADirectory));
Log_Println(Log_Buffer, LOGLEVEL_DEBUG);
return;
}
File file = root.openNextFile();
while (file) {
// ignore hidden folders, e.g. MacOS spotlight files
if (!startsWith(file.name(), (char *)"/.")) {
JsonObject entry = obj.createNestedObject();
convertAsciiToUtf8(file.name(), filePath);
std::string path = filePath;
std::string fileName = path.substr(path.find_last_of("/") + 1);
entry["name"] = fileName;
entry["dir"].set(file.isDirectory());
}
file.close();
file = root.openNextFile();
if (!gPlayProperties.pausePlay) {
// time critical, avoid delay with many files on SD-card!
feedTheDog();
} else {
// If playback is active this can (at least sometimes) prevent scattering
vTaskDelay(portTICK_PERIOD_MS * 5);
}
}
root.close();
serializeJson(obj, serializedJsonString);
snprintf(Log_Buffer, Log_BufferLength, "build filelist finished: %lu ms", (millis() - listStartTimestamp));
Log_Println(Log_Buffer, LOGLEVEL_DEBUG);
request->send(200, "application/json; charset=utf-8", serializedJsonString);
}
bool explorerDeleteDirectory(File dir) {
File file = dir.openNextFile();
while (file) {
if (file.isDirectory()) {
explorerDeleteDirectory(file);
} else {
gFSystem.remove(file.name());
}
file = dir.openNextFile();
esp_task_wdt_reset();
}
return gFSystem.rmdir(dir.name());
}
// Handles delete-requests for cachefiles.
// This is necessary to avoid outdated cachefiles if content of a directory changes (create, rename, delete).
void Web_DeleteCachefile(const char *fileOrDirectory) {
char cacheFile[MAX_FILEPATH_LENTGH];
const char s = '/';
char *last = strrchr(fileOrDirectory, s);
char *first = strchr(fileOrDirectory, s);
unsigned long substr = last - first + 1;
snprintf(cacheFile, substr+1, "%s", fileOrDirectory);
strcat(cacheFile, playlistCacheFile);
if (gFSystem.exists(cacheFile)) {
if (gFSystem.remove(cacheFile)) {
snprintf(Log_Buffer, Log_BufferLength, "%s: %s", (char *) FPSTR(erasePlaylistCachefile), cacheFile);
Log_Println(Log_Buffer, LOGLEVEL_DEBUG);
}
}
}
// Handles download request of a file
// requires a GET parameter path to the file
void explorerHandleDownloadRequest(AsyncWebServerRequest *request) {
File file;
AsyncWebParameter *param;
char filePath[MAX_FILEPATH_LENTGH];
// check has path param
if (!request->hasParam("path")) {
Log_Println("DOWNLOAD: No path variable set", LOGLEVEL_ERROR);
request->send(404);
return;
}
// check file exists on SD card
param = request->getParam("path");
convertUtf8ToAscii(param->value(), filePath);
if (!gFSystem.exists(filePath)) {
snprintf(Log_Buffer, Log_BufferLength, "DOWNLOAD: File not found on SD card: %s", param->value().c_str());
Log_Println(Log_Buffer, LOGLEVEL_ERROR);
request->send(404);
return;
}
// check is file and not a directory
file = gFSystem.open(filePath);
if (file.isDirectory()) {
snprintf(Log_Buffer, Log_BufferLength, "DOWNLOAD: Cannot download a directory %s", param->value().c_str());
Log_Println(Log_Buffer, LOGLEVEL_ERROR);
request->send(404);
file.close();
return;
}
// ready to serve the file for download.
String dataType = "application/octet-stream";
struct fileBlk {
File dataFile;
};
fileBlk *fileObj = new fileBlk;
fileObj->dataFile = file;
request->_tempObject = (void*)fileObj;
AsyncWebServerResponse *response = request->beginResponse(dataType, fileObj->dataFile.size(), [request](uint8_t *buffer, size_t maxlen, size_t index) -> size_t {
fileBlk *fileObj = (fileBlk*)request->_tempObject;
size_t thisSize = fileObj->dataFile.read(buffer, maxlen);
if((index + thisSize) >= fileObj->dataFile.size()){