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Return directly when file is to be ignored.

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This commit is contained in:
U-BASIS\dgrove 2018-06-11 12:09:03 -04:00
parent 50546c77de
commit c97b22e7fb
1 changed files with 16 additions and 19 deletions
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35
Core/src/org/sleuthkit/autopsy/modules/encryptiondetection/EncryptionDetectionFileIngestModule.java
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@ -138,36 +138,33 @@ final class EncryptionDetectionFileIngestModule extends FileIngestModuleAdapter
/*
* Has the file been deleted?
*/
if (!file.isMetaFlagSet(TskData.TSK_FS_META_FLAG_ENUM.UNALLOC)
&& !file.isDirNameFlagSet(TskData.TSK_FS_NAME_FLAG_ENUM.UNALLOC)) {
if (!file.isMetaFlagSet(TskData.TSK_FS_META_FLAG_ENUM.UNALLOC)) {
/*
* Is the file in FILE_IGNORE_LIST?
*/
boolean ignoreFile = false;
String filePath = file.getParentPath();
if (filePath.equals("/")) {
String fileName = file.getName();
for (String listEntry : FILE_IGNORE_LIST) {
if (fileName.equalsIgnoreCase(listEntry)) {
ignoreFile = true;
break;
// Skip this file.
return IngestModule.ProcessResult.OK;
}
}
}
if (!ignoreFile) {
/*
* Qualify the MIME type.
*/
String mimeType = fileTypeDetector.getMIMEType(file);
if (mimeType.equals("application/octet-stream")) {
if (isFileEncryptionSuspected(file)) {
return flagFile(file, BlackboardArtifact.ARTIFACT_TYPE.TSK_ENCRYPTION_SUSPECTED,
String.format(Bundle.EncryptionDetectionFileIngestModule_artifactComment_suspected(), calculatedEntropy));
}
} else {
if (isFilePasswordProtected(file)) {
return flagFile(file, BlackboardArtifact.ARTIFACT_TYPE.TSK_ENCRYPTION_DETECTED, Bundle.EncryptionDetectionFileIngestModule_artifactComment_password());
}
/*
* Qualify the MIME type.
*/
String mimeType = fileTypeDetector.getMIMEType(file);
if (mimeType.equals("application/octet-stream")) {
if (isFileEncryptionSuspected(file)) {
return flagFile(file, BlackboardArtifact.ARTIFACT_TYPE.TSK_ENCRYPTION_SUSPECTED,
String.format(Bundle.EncryptionDetectionFileIngestModule_artifactComment_suspected(), calculatedEntropy));
}
} else {
if (isFilePasswordProtected(file)) {
return flagFile(file, BlackboardArtifact.ARTIFACT_TYPE.TSK_ENCRYPTION_DETECTED, Bundle.EncryptionDetectionFileIngestModule_artifactComment_password());
}
}
}