Connected to spotify

.gitignore

@@ -0,0 +1 @@
+.env

auth/auth.go

@@ -0,0 +1,80 @@
+package spotifyappauth
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"strings"
+
+	spotifyauth "github.com/zmb3/spotify/v2/auth"
+
+	"github.com/joho/godotenv"
+	"github.com/zmb3/spotify/v2"
+)
+
+// redirectURI is the OAuth redirect URI for the application.
+// You must register an application at Spotify's developer portal
+// and enter this value.
+const redirectURI = "http://localhost:8080/callback"
+
+var (
+	auth  = spotifyauth.New(spotifyauth.WithRedirectURL(redirectURI), spotifyauth.WithScopes(spotifyauth.ScopePlaylistModifyPublic))
+	ch    = make(chan *spotify.Client)
+	state = "abc123"
+)
+
+func AuthUser() {
+	err := godotenv.Load()
+	// first start an HTTP server
+	http.HandleFunc("/callback", completeAuth)
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		log.Println("Got request for:", r.URL.String())
+	})
+	go func() {
+		err := http.ListenAndServe(":8080", nil)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}()
+
+	url := auth.AuthURL(state)
+	splitUrl := strings.Split(url, "client_id=")
+	clientID := "client_id=" + string(os.Getenv("SPOTIFY_ID"))
+
+	fmt.Println(os.Getenv("SPOTIFY_ID"))
+
+	tempurl := splitUrl[0] + clientID + splitUrl[1]
+
+	fmt.Println(tempurl)
+
+	fmt.Println("Please log in to Spotify by visiting the following page in your browser:", tempurl)
+
+	// wait for auth to complete
+	client := <-ch
+
+	// use the client to make calls that require authorization
+	user, err := client.CurrentUser(context.Background())
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Println("You are logged in as:", user.ID)
+}
+
+func completeAuth(w http.ResponseWriter, r *http.Request) {
+	tok, err := auth.Token(r.Context(), state, r)
+	if err != nil {
+		http.Error(w, "Couldn't get token", http.StatusForbidden)
+		log.Fatal(err)
+	}
+	if st := r.FormValue("state"); st != state {
+		http.NotFound(w, r)
+		log.Fatalf("State mismatch: %s != %s\n", st, state)
+	}
+
+	// use the token to get an authenticated client
+	client := spotify.New(auth.Client(r.Context(), tok))
+	fmt.Fprintf(w, "Login Completed!")
+	ch <- client
+}

go.mod

@@ -4,5 +4,8 @@ go 1.16
 
 require (
 	github.com/PuerkitoBio/goquery v1.7.1 // indirect
+	github.com/joho/godotenv v1.3.0 // indirect
+	github.com/zmb3/spotify/v2 v2.0.0 // indirect
 	golang.org/x/net v0.0.0-20210903162142-ad29c8ab022f // indirect
+	golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f // indirect
 )