Adding upstream version 0.28.1.

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

apis/backup_create.go

@@ -0,0 +1,78 @@
+package apis
+
+import (
+	"context"
+	"net/http"
+	"regexp"
+
+	validation "github.com/go-ozzo/ozzo-validation/v4"
+	"github.com/pocketbase/pocketbase/core"
+)
+
+func backupCreate(e *core.RequestEvent) error {
+	if e.App.Store().Has(core.StoreKeyActiveBackup) {
+		return e.BadRequestError("Try again later - another backup/restore process has already been started", nil)
+	}
+
+	form := new(backupCreateForm)
+	form.app = e.App
+
+	err := e.BindBody(form)
+	if err != nil {
+		return e.BadRequestError("An error occurred while loading the submitted data.", err)
+	}
+
+	err = form.validate()
+	if err != nil {
+		return e.BadRequestError("An error occurred while validating the submitted data.", err)
+	}
+
+	err = e.App.CreateBackup(context.Background(), form.Name)
+	if err != nil {
+		return e.BadRequestError("Failed to create backup.", err)
+	}
+
+	// we don't retrieve the generated backup file because it may not be
+	// available yet due to the eventually consistent nature of some S3 providers
+	return e.NoContent(http.StatusNoContent)
+}
+
+// -------------------------------------------------------------------
+
+var backupNameRegex = regexp.MustCompile(`^[a-z0-9_-]+\.zip$`)
+
+type backupCreateForm struct {
+	app core.App
+
+	Name string `form:"name" json:"name"`
+}
+
+func (form *backupCreateForm) validate() error {
+	return validation.ValidateStruct(form,
+		validation.Field(
+			&form.Name,
+			validation.Length(1, 150),
+			validation.Match(backupNameRegex),
+			validation.By(form.checkUniqueName),
+		),
+	)
+}
+
+func (form *backupCreateForm) checkUniqueName(value any) error {
+	v, _ := value.(string)
+	if v == "" {
+		return nil // nothing to check
+	}
+
+	fsys, err := form.app.NewBackupsFilesystem()
+	if err != nil {
+		return err
+	}
+	defer fsys.Close()
+
+	if exists, err := fsys.Exists(v); err != nil || exists {
+		return validation.NewError("validation_backup_name_exists", "The backup file name is invalid or already exists.")
+	}
+
+	return nil
+}