Revert "improve error handling around device code failure"

Emyrk · Emyrk · commit b72cea93a5e2 · 2024-01-19T12:32:09.000-06:00
This reverts commit f3ac7d0.
diff --git a/coderd/externalauth/externalauth.go b/coderd/externalauth/externalauth.go
@@ -6,11 +6,9 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"mime"
 	"net/http"
 	"net/url"
 	"regexp"
-	"strconv"
 	"strings"
 	"time"
 
@@ -323,31 +321,13 @@ func (c *DeviceAuth) AuthorizeDevice(ctx context.Context) (*codersdk.ExternalAut
 	}
 	err = json.NewDecoder(resp.Body).Decode(&r)
 	if err != nil {
-		mediaType, _, err := mime.ParseMediaType(resp.Header.Get("Content-Type"))
-		if err != nil {
-			mediaType = "unknown"
-		}
-
-		// If the json fails to decode, do a best effort to return a better error.
-		switch {
-		case resp.StatusCode == http.StatusTooManyRequests:
-			retryIn := "please try again later"
-			resetIn := resp.Header.Get("x-ratelimit-reset")
-			if resetIn != "" {
-				// Best effort to tell the user exactly how long they need
-				// to wait for.
-				unix, err := strconv.ParseInt(resetIn, 10, 64)
-				if err == nil {
-					waitFor := time.Unix(unix, 0).Sub(time.Now().Truncate(time.Second))
-					retryIn = fmt.Sprintf(" retry after %s", waitFor.Truncate(time.Second))
-				}
-			}
-			// 429 returns a plaintext payload with a message.
-			return nil, xerrors.New(fmt.Sprintf("rate limit hit, unable to authorize device. %s", retryIn))
-		case mediaType == "application/x-www-form-urlencoded":
-			return nil, xerrors.Errorf("%s payload response is form-url encoded, expected a json payload", resp.StatusCode)
+		// Some status codes do not return json payloads, and we should
+		// return a better error.
+		switch resp.StatusCode {
+		case http.StatusTooManyRequests:
+			return nil, xerrors.New("rate limit hit, unable to authorize device. please try again later")
 		default:
-			return nil, fmt.Errorf("status_code=%d, mediaType=%s: %w", resp.StatusCode, mediaType, err)
+			return nil, fmt.Errorf("status_code=%d: %w", resp.StatusCode, err)
 		}
 	}
 	if r.ErrorDescription != "" {
diff --git a/coderd/externalauth_test.go b/coderd/externalauth_test.go
@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"net/http"
 	"net/http/httptest"
-	"net/url"
 	"regexp"
 	"strings"
 	"testing"
@@ -364,30 +363,6 @@ func TestExternalAuthDevice(t *testing.T) {
 		_, err := client.ExternalAuthDeviceByID(context.Background(), "test")
 		require.ErrorContains(t, err, "rate limit hit")
 	})
-
-	// If we forget to add the accept header, we get a form encoded body instead.
-	t.Run("FormEncodedBody", func(t *testing.T) {
-		t.Parallel()
-		srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-			w.Header().Set("Content-Type", "application/x-www-form-urlencoded")
-			_, _ = w.Write([]byte(url.Values{"access_token": {"hey"}}.Encode()))
-		}))
-		defer srv.Close()
-		client := coderdtest.New(t, &coderdtest.Options{
-			ExternalAuthConfigs: []*externalauth.Config{{
-				ID: "test",
-				DeviceAuth: &externalauth.DeviceAuth{
-					ClientID: "test",
-					CodeURL:  srv.URL,
-					Scopes:   []string{"repo"},
-				},
-			}},
-		})
-		coderdtest.CreateFirstUser(t, client)
-		_, err := client.ExternalAuthDeviceByID(context.Background(), "test")
-		require.Error(t, err)
-		require.ErrorContains(t, err, "is form-url encoded")
-	})
 }
 
 // nolint:bodyclose
