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Class TemporaryFileUploadValidator

Provides validation logic for files uploaded temporarily via property editors in Umbraco. Ensures that uploaded files meet required criteria before being processed or stored permanently.

Inheritance

object

Namespace: Umbraco.Cms.Core.PropertyEditors

Assembly: Umbraco.Infrastructure.dll

Syntax

public class TemporaryFileUploadValidator : IValueValidator

Constructors

TemporaryFileUploadValidator(GetContentSettings, ParseTemporaryFileKey, GetTemporaryFileModel, ValidateFileType?)

Initializes a new instance of the TemporaryFileUploadValidator class.

Declaration

public TemporaryFileUploadValidator(TemporaryFileUploadValidator.GetContentSettings getContentSettings, TemporaryFileUploadValidator.ParseTemporaryFileKey parseTemporaryFileKey, TemporaryFileUploadValidator.GetTemporaryFileModel getTemporaryFileModel, TemporaryFileUploadValidator.ValidateFileType? validateFileType = null)

Parameters

Type	Name	Description
TemporaryFileUploadValidator.GetContentSettings	getContentSettings	A delegate of type TemporaryFileUploadValidator.GetContentSettings used to retrieve content settings.
TemporaryFileUploadValidator.ParseTemporaryFileKey	parseTemporaryFileKey	A delegate of type TemporaryFileUploadValidator.ParseTemporaryFileKey used to parse the temporary file key.
TemporaryFileUploadValidator.GetTemporaryFileModel	getTemporaryFileModel	A delegate of type TemporaryFileUploadValidator.GetTemporaryFileModel used to retrieve the temporary file model.
TemporaryFileUploadValidator.ValidateFileType	validateFileType	An optional delegate of type TemporaryFileUploadValidator.ValidateFileType used to validate the file type. If null, file type validation is not performed.

Methods

Validate(object?, string?, object?, PropertyValidationContext)

Validates a temporary file upload by checking if the file exists and whether its type is allowed based on the provided configuration.

Declaration

public IEnumerable<ValidationResult> Validate(object? value, string? valueType, object? dataTypeConfiguration, PropertyValidationContext validationContext)

Parameters

Type	Name	Description
object	value	The value representing the temporary file key, typically a System.Guid or string convertible to a GUID.
string	valueType	The type of the value, if specified; may be used for additional validation logic.
object	dataTypeConfiguration	The configuration object for the data type, used to determine allowed file types.
PropertyValidationContext	validationContext	The context for property validation, providing additional information about the validation request.

Returns

Type	Description
IEnumerable<ValidationResult>	An System.Collections.Generic.IEnumerable<T> containing validation errors if the file does not exist or its type is not allowed; otherwise, an empty sequence.