feat(playlist): download private playlists with arl cookie

.example-config

@@ -1,3 +1,4 @@
-license_token = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c'
+license_token = 'AAAAA1bcDFgHJKLmnOPqrsTUvwXYZ12o3lmNOjR2xWiQRT3v5zxL4mKoWjxL82jD7sWx93KfYGsN2IkdPxsUw9PTas7oFbgR3nY9qpZmVyHFJKLPxT7sWmqErXyTn5iKoNpRtV7bPdQZ8qLmWoJpU2nKrXz6vW'
+arl_cookie = '1d9e90abb452a61b1b7463f0953e1b303c4e2e7e5fd404fde9b385f4de01c340ac0f62f1c8c1550405b0b9beded0e28c481e96a6148e8f4548351add5d7db746b2785ecf83b1768e5dd8cc73b1ad30c18d07c9cb37f5c6b9cd7a78a4de2aff11'
 secret_key = 'hTv1IAw19qWy9i3f'
-iv = 'cn1aSvHsV4yBO7x5'
+iv = '0001020304050607'

cmd/download.go

@@ -71,6 +71,12 @@ func downloadContent(contentType string, args []string) {
 				fmt.Fprintf(os.Stderr, "Error: could not get playlist data: %v\n", err)
 				continue
 			}
+			if playlist.Data.Status == 1 && playlist.Data.CollabKey == "" {
+				fmt.Printf("\r[%d/%d] Getting data for playlist %s... FAILED\n", i+1, nArgs, id)
+				fmt.Fprintf(os.Stderr, "Error: playlist is private and no valid arl cookie was provided\n")
+				continue
+			}
+
 			resource = playlist
 			songs = playlist.GetSongs()
 		}

internal/config/config.go

@@ -2,6 +2,7 @@ package config
 
 type Config struct {
 	LicenseToken string `mapstructure:"license_token"`
+	ArlCookie    string `mapstructure:"arl_cookie"`
 	SecretKey    string `mapstructure:"secret_key"`
 	IV           string `mapstructure:"iv"`
 }

internal/deezer/playlist.go

@@ -10,6 +10,8 @@ import (
 type Playlist struct {
 	Data struct {
 		Title     string `json:"TITLE"`
+		Status    int    `json:"STATUS"`
+		CollabKey string `json:"COLLAB_KEY"`
 	} `json:"DATA"`
 	Songs struct {
 		Data []*Song `json:"data"`

internal/deezer/resource.go

@@ -5,6 +5,8 @@ import (
 	"io"
 	"net/http"
 	"regexp"
+
+	"github.com/mathismqn/godeez/internal/config"
 )
 
 type Resource interface {
@@ -18,7 +20,20 @@ type Resource interface {
 func GetData(r Resource, id string) error {
 	url := r.GetURL(id)
 
-	resp, err := http.Get(url)
+	client := &http.Client{}
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return err
+	}
+
+	if config.Cfg.ArlCookie != "" {
+		req.AddCookie(&http.Cookie{
+			Name:  "arl",
+			Value: config.Cfg.ArlCookie,
+		})
+	}
+
+	resp, err := client.Do(req)
 	if err != nil {
 		return err
 	}