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fileValidationHelper

Workspace API

Workspace API / helpers/fileValidationHelper

helpers/fileValidationHelper

Interfaces​

FileValidationResult​

Defined in: helpers/fileValidationHelper.ts:13

Properties​

valid​

valid: boolean

Defined in: helpers/fileValidationHelper.ts:14

error?​

optional error: string

Defined in: helpers/fileValidationHelper.ts:15

sanitizedFilename?​

optional sanitizedFilename: string

Defined in: helpers/fileValidationHelper.ts:16

fileSize?​

optional fileSize: number

Defined in: helpers/fileValidationHelper.ts:17

contentType?​

optional contentType: string

Defined in: helpers/fileValidationHelper.ts:18

Functions​

validateFileUpload()​

validateFileUpload(filename, contentType, fileSize, log): FileValidationResult

Defined in: helpers/fileValidationHelper.ts:24

Validate file upload request

Parameters​

filename​

string

contentType​

string

fileSize​

number

log​

Logger = logger

Returns​

FileValidationResult

sanitizeFilename()​

sanitizeFilename(filename): string

Defined in: helpers/fileValidationHelper.ts:100

Sanitize filename to prevent security issues

Parameters​

filename​

string

Returns​

string

containsPathTraversal()​

containsPathTraversal(filename): boolean

Defined in: helpers/fileValidationHelper.ts:132

Check if filename contains path traversal attempts

Parameters​

filename​

string

Returns​

boolean

containsExecutableExtension()​

containsExecutableExtension(filename): boolean

Defined in: helpers/fileValidationHelper.ts:151

Check if filename has executable extension

Parameters​

filename​

string

Returns​

boolean

getFileExtension()​

getFileExtension(filename): string

Defined in: helpers/fileValidationHelper.ts:167

Get file extension from filename

Parameters​

filename​

string

Returns​

string

formatFileSize()​

formatFileSize(bytes): string

Defined in: helpers/fileValidationHelper.ts:178

Format file size in human readable format

Parameters​

bytes​

number

Returns​

string

generateUniqueFilename()​

generateUniqueFilename(originalFilename): string

Defined in: helpers/fileValidationHelper.ts:194

Generate unique filename to prevent conflicts

Parameters​

originalFilename​

string

Returns​

string

validateFileContent()​

validateFileContent(buffer, expectedContentType): boolean

Defined in: helpers/fileValidationHelper.ts:206

Validate file content by checking magic numbers (basic file type validation)

Parameters​

buffer​

Buffer

expectedContentType​

string

Returns​

boolean

detectFileType()​

detectFileType(buffer): string

Defined in: helpers/fileValidationHelper.ts:240

Get file type from buffer (basic detection)

Parameters​

buffer​

Buffer

Returns​

string

isFileSafe()​

isFileSafe(buffer, _filename, contentType): boolean

Defined in: helpers/fileValidationHelper.ts:270

Check if file is safe to upload based on content analysis

Parameters​

buffer​

Buffer

_filename​

string

contentType​

string

Returns​

boolean