Add a cli for listing and cleaning up expired uploads

Fixes #2622

services/storage-users/pkg/config/config.go

@@ -28,6 +28,7 @@ type Config struct {
 	MountID          string  `yaml:"mount_id" env:"STORAGE_USERS_MOUNT_ID" desc:"Mount ID of this storage."`
 	ExposeDataServer bool    `yaml:"expose_data_server" env:"STORAGE_USERS_EXPOSE_DATA_SERVER" desc:"Exposes the data server directly to users and bypasses the data gateway. Ensure that the data server address is reachable by users."`
 	ReadOnly         bool    `yaml:"readonly" env:"STORAGE_USERS_READ_ONLY" desc:"Set this storage to be read-only."`
+	UploadExpiration int64   `yaml:"upload_expiration" env:"STORAGE_USERS_UPLOAD_EXPIRATION" desc:"Duration after which uploads will expire."`
 
 	Supervised bool            `yaml:"-"`
 	Context    context.Context `yaml:"-"`

services/storage-users/pkg/config/defaults/defaultconfig.go

@@ -39,9 +39,10 @@ func DefaultConfig() *config.Config {
 		Reva: &config.Reva{
 			Address: "127.0.0.1:9142",
 		},
-		DataServerURL: "http://localhost:9158/data",
-		MountID:       "1284d238-aa92-42ce-bdc4-0b0000009157",
-		Driver:        "ocis",
+		DataServerURL:    "http://localhost:9158/data",
+		MountID:          "1284d238-aa92-42ce-bdc4-0b0000009157",
+		UploadExpiration: 24 * 60 * 60,
+		Driver:           "ocis",
 		Drivers: config.Drivers{
 			OwnCloudSQL: config.OwnCloudSQLDriver{
 				Root:                  filepath.Join(defaults.BaseDataPath(), "storage", "owncloud"),