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This commit is contained in:
Brian Sweeney 2018-08-09 16:53:03 -06:00
parent 7559a45a7c
commit e223cc4e9e
1 changed files with 16 additions and 1 deletions
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17
Core/src/org/sleuthkit/autopsy/centralrepository/datamodel/CorrelationAttributeNormalizer.java
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@ -92,6 +92,9 @@ final public class CorrelationAttributeNormalizer {
} }
} }
/**
* Verify MD5 is the correct length and values. Make lower case.
*/
private static String normalizeMd5(String data) throws CorrelationAttributeNormalizationException { private static String normalizeMd5(String data) throws CorrelationAttributeNormalizationException {
final String errorMessage = "Data purporting to be an MD5 was found not to comform to expected format: %s"; final String errorMessage = "Data purporting to be an MD5 was found not to comform to expected format: %s";
if(data == null){ if(data == null){
@ -106,6 +109,9 @@ final public class CorrelationAttributeNormalizer {
} }
} }
/**
* Verify there are no slashes or invalid domain name characters (such as '?' or \: ). Normalize to lower case.
*/
private static String normalizeDomain(String data) throws CorrelationAttributeNormalizationException { private static String normalizeDomain(String data) throws CorrelationAttributeNormalizationException {
DomainValidator validator = DomainValidator.getInstance(true); DomainValidator validator = DomainValidator.getInstance(true);
if(validator.isValid(data)){ if(validator.isValid(data)){
@ -115,6 +121,9 @@ final public class CorrelationAttributeNormalizer {
} }
} }
/**
* Verify that there is an '@' and no invalid characters. Should normalize to lower case.
*/
private static String normalizeEmail(String data) throws CorrelationAttributeNormalizationException { private static String normalizeEmail(String data) throws CorrelationAttributeNormalizationException {
EmailValidator validator = EmailValidator.getInstance(true, true); EmailValidator validator = EmailValidator.getInstance(true, true);
if(validator.isValid(data)){ if(validator.isValid(data)){
@ -124,6 +133,9 @@ final public class CorrelationAttributeNormalizer {
} }
} }
/**
* Verify it is only numbers and '+'. Strip spaces, dashes, and parentheses.
*/
private static String normalizePhone(String data) throws CorrelationAttributeNormalizationException { private static String normalizePhone(String data) throws CorrelationAttributeNormalizationException {
String phoneNumber = data.replaceAll("[^0-9\\+]", ""); String phoneNumber = data.replaceAll("[^0-9\\+]", "");
if(phoneNumber.matches("\\+?[0-9]+")){ if(phoneNumber.matches("\\+?[0-9]+")){
@ -133,12 +145,15 @@ final public class CorrelationAttributeNormalizer {
} }
} }
/**
* USB ID is of the form: hhhh:hhhh where h is a hex digit. Convert to lower case.
*/
private static String normalizeUsbId(String data) throws CorrelationAttributeNormalizationException { private static String normalizeUsbId(String data) throws CorrelationAttributeNormalizationException {
final String errorMessage = "Data was expected to be a valid USB device ID: %s"; final String errorMessage = "Data was expected to be a valid USB device ID: %s";
if(data == null){ if(data == null){
throw new CorrelationAttributeNormalizationException(String.format(errorMessage, data)); throw new CorrelationAttributeNormalizationException(String.format(errorMessage, data));
} }
//usbId is of the form: hhhh:hhhh where h is a hex digit
String validUsbIdRegex = "^(0[Xx])?[A-Fa-f0-9]{4}[:\\\\\\ \\-.]?(0[Xx])?[A-Fa-f0-9]{4}$"; String validUsbIdRegex = "^(0[Xx])?[A-Fa-f0-9]{4}[:\\\\\\ \\-.]?(0[Xx])?[A-Fa-f0-9]{4}$";
if(data.matches(validUsbIdRegex)){ if(data.matches(validUsbIdRegex)){
return data.toLowerCase(); return data.toLowerCase();