Package com.evolveum.midpoint.web.component.input

Class ImageSanitizationUtil

java.lang.Object

com.evolveum.midpoint.web.component.input.ImageSanitizationUtil

public final class ImageSanitizationUtil
extends Object

Handle sanitization if images. Sanitization is configurable by input ImageUploadProcessingType configuration. Possible sanitization options are e.g. remove EXIF data or convert to fixed format.

Author:

matisovaa

Constructor Summary

Constructors

Constructor	Description
ImageSanitizationUtil()

Method Summary

Modifier and Type	Method	Description
static String	getFileExtensionFromFileMagicNumber(byte[] fileBytes)	Determines file extension by comparing first bytes of file byte array with known magic numbers.
static byte[]	sanitizeImage(byte[] originalBytes, ImageUploadProcessingType config)	Sanitize image based on ImageUploadProcessingType configuration.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ImageSanitizationUtil

public ImageSanitizationUtil()

Method Details

getFileExtensionFromFileMagicNumber

public static String getFileExtensionFromFileMagicNumber(byte[] fileBytes)

Determines file extension by comparing first bytes of file byte array with known magic numbers.

Parameters:

fileBytes - file byte array to determine file extension

Returns:

file extension or null if file extension was not possible to determine

sanitizeImage

public static byte[] sanitizeImage(byte[] originalBytes,
 ImageUploadProcessingType config)
                            throws ImageSanitizationException

Sanitize image based on ImageUploadProcessingType configuration.

Parameters:

originalBytes - image to sanitize

config - configuration what conversion is needed with input image e.g. remove EXIF data or convert to fixed format

Returns:

image updated based on given configuration

Throws:

ImageSanitizationException - if there was error during sanitization process