How to upload apks to google drive in bitrise

https://drive.google.com/drive/u/4/folders/{folderId}

package main

import (
    "fmt"
    "os"

    "github.com/FriendlyUser/bitrise-step-google-drive-uploader/pkg/utils"
)

func main() {
    fmt.Println("This is the value specified for the input 'service_key_path':", os.Getenv("service_key_path"))
    // and print folder_id
    fmt.Println("This is the value specified for the input 'folder_id':", os.Getenv("folder_id"))

    serviceAccount := os.Getenv("service_key_path")
    folderId := os.Getenv("folder_id")

    // find all files with the extension ending with *.apk
    files, err := utils.FindFiles("**/*.apk")
    // check if BITRISE_APK_PATH is set
    if os.Getenv("BITRISE_APK_PATH") != "" {
        // if it is set, add it to the files slice
        files = append(files, os.Getenv("BITRISE_APK_PATH"))
    }

    if err != nil {
        fmt.Println(err)
        os.Exit(1)
    }

    // upload all apk files
    for _, file := range files {
        utils.UploadFile(serviceAccount, file, folderId)
    }

    os.Exit(0)
}

package utils

import (
    "context"
    "encoding/json"
    "fmt"
    "io/ioutil"
    "log"
    "net/http"
    "os"
    "path/filepath"

    drive "google.golang.org/api/drive/v3"

    "golang.org/x/oauth2"
    "golang.org/x/oauth2/google"
    "golang.org/x/oauth2/jwt"
)

// ServiceAccount : Use Service account
func serviceAccount(credentialFile string) *http.Client {
    b, err := ioutil.ReadFile(credentialFile)
    if err != nil {
        log.Fatal(err)
    }
    var c = struct {
        Email      string `json:"client_email"`
        PrivateKey string `json:"private_key"`
    }{}
    json.Unmarshal(b, &c)
    config := &jwt.Config{
        Email:      c.Email,
        PrivateKey: []byte(c.PrivateKey),
        Scopes: []string{
            drive.DriveScope,
        },
        TokenURL: google.JWTTokenURL,
    }
    client := config.Client(oauth2.NoContext)
    return client
}

func UploadFile(serviceFile string, fileName string, folderId string) {
    filename := fileName                       // Filename
    baseMimeType := "application/octet-stream" // MimeType
    client := serviceAccount(serviceFile)      // Please set the json file of Service account.

    srv, err := drive.New(client)
    if err != nil {
        log.Fatalln(err)
    }
    file, err := os.Open(filename)
    if err != nil {
        log.Fatalln(err)
    }
    fileInf, err := file.Stat()
    if err != nil {
        log.Fatalln(err)
    }
    defer file.Close()
    // get base name from filename
    baseName := filepath.Base(filename)
    f := &drive.File{Name: baseName}
    if folderId != "" {
        f.Parents = []string{folderId}
    }
    res, err := srv.Files.
        Create(f).
        ResumableMedia(context.Background(), file, fileInf.Size(), baseMimeType).
        ProgressUpdater(func(now, size int64) { fmt.Printf("%d, %d\r", now, size) }).
        Do()
    if err != nil {
        log.Fatalln(err)
    }
    fmt.Printf("Uploaded file %s with id %s\n", filename, res.Id)
}

// find files with the extension ending with *.apk
func FindFiles(extension string) ([]string, error) {
    files, err := filepath.Glob(extension)
    if err != nil {
        return nil, err
    }
    return files, nil
}

---
format_version: '11'
default_step_lib_source: https://github.com/bitrise-io/bitrise-steplib.git
project_type: flutter
workflows:
  deploy:
    description: |
      Builds and deploys app using [Deploy to bitrise.io Step](https://devcenter.bitrise.io/en/getting-started/getting-started-with-flutter-apps.html#deploying-a-flutter-app).

      If you build for iOS, make sure to set up code signing secrets on Bitrise for a successful build.

      Next steps:
      - Check out [Getting started with Flutter apps](https://devcenter.bitrise.io/en/getting-started/getting-started-with-flutter-apps.html) for signing and deployment options.
      - Check out the [Code signing guide](https://devcenter.bitrise.io/en/code-signing.html) for iOS and Android
    steps:
    - git-clone@6: {}
    - certificate-and-profile-installer@1: {}
    - flutter-installer@0:
        inputs:
        - is_update: 'false'
    - cache-pull@2: {}
    - script@1:
        inputs:
        - content: |-
            #!/usr/bin/env bash
            # fail if any commands fails
            set -e
            # make pipelines' return status equal the last command to exit with a non-zero status, or zero if all commands exit successfully
            set -o pipefail
            # debug log
            set -x
            flutter upgrade
    - flutter-build@0:
        inputs:
        - project_location: "$BITRISE_FLUTTER_PROJECT_LOCATION"
        - platform: android
        - ios_output_type: archive
    - cache-push@2: {}
    - file-downloader@1:
        inputs:
        - destination: key.json
        - source: "$BITRISEIO_BITRISE_GOOGLE_SERVICE_JSON_URL"
    - git::https://github.com/FriendlyUser/bitrise-step-google-drive-uploader@main:
        title: Upload to google play
        inputs:
        - service_key_path: key.json
        - folder_id: 1MvS-z5JuIaMbAwsqMITeqnDNdtncEL7d
    - deploy-to-bitrise-io@2: {}
  primary:
    description: |
      Builds project and runs tests.

      Next steps:
      - Check out [Getting started with Flutter apps](https://devcenter.bitrise.io/en/getting-started/getting-started-with-flutter-apps.html).
    steps:
    - git-clone@6: {}
    - flutter-installer@0:
        inputs:
        - version: beta
    - cache-pull@2: {}
    - cache-push@2: {}
    - script@1:
        inputs:
        - content: |-
            #!/usr/bin/env bash
            # fail if any commands fails
            set -e
            # make pipelines' return status equal the last command to exit with a non-zero status, or zero if all commands exit successfully
            set -o pipefail
            # debug log
            set -x

            # write your script here
            echo "Hello World!"

            # or run a script from your repository, like:
            # bash ./path/to/script.sh
            # not just bash, e.g.:
            # ruby ./path/to/script.rb


            flutter upgrade
    - flutter-build@0: {}
    - deploy-to-bitrise-io@2: {}
meta:
  bitrise.io:
    stack: osx-xcode-14.1.x-ventura
app:
  envs:
  - opts:
      is_expand: false
    BITRISE_FLUTTER_PROJECT_LOCATION: "."