ListFiles.ino

/**
 * Created by K. Suwatchai (Mobizt)
 *
 * Email: k_suwatchai@hotmail.com
 *
 * Github: https://github.com/mobizt/Firebase-ESP-Client
 *
 * Copyright (c) 2023 mobizt
 *
 */

// This example shows how to list all files in Firebase storage bucket.

#include <Arduino.h>
#if defined(ESP32) || defined(ARDUINO_RASPBERRY_PI_PICO_W)
#include <WiFi.h>
#elif defined(ESP8266)
#include <ESP8266WiFi.h>
#endif

#include <Firebase_ESP_Client.h>

// Provide the token generation process info.
#include <addons/TokenHelper.h>

/* 1. Define the WiFi credentials */
#define WIFI_SSID "WIFI_AP"
#define WIFI_PASSWORD "WIFI_PASSWORD"

/* 2. Define the API Key */
#define API_KEY "API_KEY"

/* 3. Define the user Email and password that alreadey registerd or added in your project */
#define USER_EMAIL "USER_EMAIL"
#define USER_PASSWORD "USER_PASSWORD"

/* 4. Define the Firebase storage bucket ID e.g bucket-name.appspot.com */
#define STORAGE_BUCKET_ID "BUCKET-NAME.appspot.com"

// Define Firebase Data object
FirebaseData fbdo;

FirebaseAuth auth;
FirebaseConfig config;

bool taskCompleted = false;

#if defined(ARDUINO_RASPBERRY_PI_PICO_W)
WiFiMulti multi;
#endif

void setup()
{

    Serial.begin(115200);

#if defined(ARDUINO_RASPBERRY_PI_PICO_W)
    multi.addAP(WIFI_SSID, WIFI_PASSWORD);
    multi.run();
#else
    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
#endif

    Serial.print("Connecting to Wi-Fi");
    unsigned long ms = millis();
    while (WiFi.status() != WL_CONNECTED)
    {
        Serial.print(".");
        delay(300);
#if defined(ARDUINO_RASPBERRY_PI_PICO_W)
        if (millis() - ms > 10000)
            break;
#endif
    }
    Serial.println();
    Serial.print("Connected with IP: ");
    Serial.println(WiFi.localIP());
    Serial.println();

    Serial.printf("Firebase Client v%s\n\n", FIREBASE_CLIENT_VERSION);

    /* Assign the api key (required) */
    config.api_key = API_KEY;

    /* Assign the user sign in credentials */
    auth.user.email = USER_EMAIL;
    auth.user.password = USER_PASSWORD;

    // The WiFi credentials are required for Pico W
    // due to it does not have reconnect feature.
#if defined(ARDUINO_RASPBERRY_PI_PICO_W)
    config.wifi.clearAP();
    config.wifi.addAP(WIFI_SSID, WIFI_PASSWORD);
#endif

    /* Assign the callback function for the long running token generation task */
    config.token_status_callback = tokenStatusCallback; // see addons/TokenHelper.h

    Firebase.begin(&config, &auth);

    Firebase.reconnectWiFi(true);
}

void loop()
{

    // Firebase.ready() should be called repeatedly to handle authentication tasks.

    if (Firebase.ready() && !taskCompleted)
    {
        taskCompleted = true;

        Serial.printf("List files... %s\n", Firebase.Storage.listFiles(&fbdo, STORAGE_BUCKET_ID) ? "ok" : fbdo.errorReason().c_str());

        if (fbdo.httpCode() == FIREBASE_ERROR_HTTP_CODE_OK)
        {
            FileList *files = fbdo.fileList();
            for (size_t i = 0; i < files->items.size(); i++)
                Serial.printf("name: %s, bucket: %s\n", files->items[i].name.c_str(), files->items[i].bucket.c_str());
        }

        // To clear file list
        fbdo.fileList()->items.clear();
    }
}