MultipartConfig class

Configuration for handling multipart file uploads.

This class controls limits and behavior for file uploads through multipart form data. It helps protect against denial-of-service attacks and ensures uploaded files meet security requirements.

Example:

final config = MultipartConfig(
  maxMemory: 64 * 1024 * 1024,
  maxFileSize: 20 * 1024 * 1024,
  allowedExtensions: {'jpg', 'png', 'pdf', 'docx'},
  uploadDirectory: 'storage/uploads',
);

Implemented types

• ValidatableConfiguration

Constructors

MultipartConfig({int maxMemory = 32 * 1024 * 1024, int maxFileSize = 10 * 1024 * 1024, int? maxDiskUsage, Set<String>? allowedExtensions, String uploadDirectory = 'uploads', int filePermissions = 0x1e8})

Creates a multipart configuration with the given settings.

Properties

allowedExtensions → Set<String>

Set of allowed file extensions for uploads.

final

filePermissions → int

File permissions for uploaded files in octal notation.

final

hashCode → int

The hash code for this object.

no setter, inherited

maxDiskUsage → int

Maximum total disk usage per request in bytes.

final

maxFileSize → int

Maximum file size allowed for individual uploads in bytes.

final

maxMemory → int

Maximum memory size allowed for file uploads in bytes.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

uploadDirectory → String

Directory where uploaded files will be stored.

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

validate(ConfigValidationContext context) → void

Creates a ValidatableConfiguration.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited