Adding upstream version 0.28.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

forms/test_s3_filesystem.go

@@ -0,0 +1,87 @@
+package forms
+
+import (
+	"errors"
+	"fmt"
+
+	validation "github.com/go-ozzo/ozzo-validation/v4"
+	"github.com/pocketbase/pocketbase/core"
+	"github.com/pocketbase/pocketbase/tools/filesystem"
+	"github.com/pocketbase/pocketbase/tools/security"
+)
+
+const (
+	s3FilesystemStorage = "storage"
+	s3FilesystemBackups = "backups"
+)
+
+// TestS3Filesystem defines a S3 filesystem connection test.
+type TestS3Filesystem struct {
+	app core.App
+
+	// The name of the filesystem - storage or backups
+	Filesystem string `form:"filesystem" json:"filesystem"`
+}
+
+// NewTestS3Filesystem creates and initializes new TestS3Filesystem form.
+func NewTestS3Filesystem(app core.App) *TestS3Filesystem {
+	return &TestS3Filesystem{app: app}
+}
+
+// Validate makes the form validatable by implementing [validation.Validatable] interface.
+func (form *TestS3Filesystem) Validate() error {
+	return validation.ValidateStruct(form,
+		validation.Field(
+			&form.Filesystem,
+			validation.Required,
+			validation.In(s3FilesystemStorage, s3FilesystemBackups),
+		),
+	)
+}
+
+// Submit validates and performs a S3 filesystem connection test.
+func (form *TestS3Filesystem) Submit() error {
+	if err := form.Validate(); err != nil {
+		return err
+	}
+
+	var s3Config core.S3Config
+
+	if form.Filesystem == s3FilesystemBackups {
+		s3Config = form.app.Settings().Backups.S3
+	} else {
+		s3Config = form.app.Settings().S3
+	}
+
+	if !s3Config.Enabled {
+		return errors.New("S3 storage filesystem is not enabled")
+	}
+
+	fsys, err := filesystem.NewS3(
+		s3Config.Bucket,
+		s3Config.Region,
+		s3Config.Endpoint,
+		s3Config.AccessKey,
+		s3Config.Secret,
+		s3Config.ForcePathStyle,
+	)
+	if err != nil {
+		return fmt.Errorf("failed to initialize the S3 filesystem: %w", err)
+	}
+	defer fsys.Close()
+
+	testPrefix := "pb_settings_test_" + security.PseudorandomString(5)
+	testFileKey := testPrefix + "/test.txt"
+
+	// try to upload a test file
+	if err := fsys.Upload([]byte("test"), testFileKey); err != nil {
+		return fmt.Errorf("failed to upload a test file: %w", err)
+	}
+
+	// test prefix deletion (ensures that both bucket list and delete works)
+	if errs := fsys.DeletePrefix(testPrefix); len(errs) > 0 {
+		return fmt.Errorf("failed to delete a test file: %w", errs[0])
+	}
+
+	return nil
+}