Autopsy  4.19.3
Graphical digital forensics platform for The Sleuth Kit and other tools.
AccountSummary.java
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1 /*
2  * Autopsy Forensic Browser
3  *
4  * Copyright 2019-2020 Basis Technology Corp.
5  * Contact: carrier <at> sleuthkit <dot> org
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  * http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  */
19 package org.sleuthkit.autopsy.communications.relationships;
20 
21 import java.util.Collection;
22 import java.util.List;
23 import java.util.Set;
24 import java.util.logging.Level;
27 import org.sleuthkit.datamodel.AbstractFile;
28 import org.sleuthkit.datamodel.Account;
29 import org.sleuthkit.datamodel.BlackboardArtifact;
30 import org.sleuthkit.datamodel.BlackboardAttribute;
31 import org.sleuthkit.datamodel.Content;
32 import org.sleuthkit.datamodel.TskCoreException;
33 import org.sleuthkit.datamodel.blackboardutils.attributes.MessageAttachments.FileAttachment;
34 import org.sleuthkit.datamodel.blackboardutils.attributes.MessageAttachments;
35 import org.sleuthkit.datamodel.CommunicationsUtils;
36 import org.sleuthkit.datamodel.InvalidAccountIDException;
37 import org.sleuthkit.datamodel.blackboardutils.attributes.BlackboardJsonAttrUtil;
38 
43 class AccountSummary {
44 
45  private int attachmentCnt;
46  private int messagesCnt;
47  private int emailCnt;
48  private int callLogCnt;
49  private int contactsCnt;
50  private int mediaCnt;
51  private int referenceCnt;
52 
53  private final Account selectedAccount;
54  private final Set<BlackboardArtifact> artifacts;
55 
56  private static final Logger logger = Logger.getLogger(AccountSummary.class.getName());
57 
64  AccountSummary(Account selectedAccount, Set<BlackboardArtifact> artifacts) {
65  this.selectedAccount = selectedAccount;
66  this.artifacts = artifacts;
67  initCounts();
68  }
69 
73  private void initCounts() {
74  for (BlackboardArtifact artifact : artifacts) {
75  BlackboardArtifact.ARTIFACT_TYPE fromID = BlackboardArtifact.ARTIFACT_TYPE.fromID(artifact.getArtifactTypeID());
76  if (null != fromID) {
77  switch (fromID) {
78  case TSK_EMAIL_MSG:
79  emailCnt++;
80  break;
81  case TSK_CALLLOG:
82  callLogCnt++;
83  break;
84  case TSK_MESSAGE:
85  messagesCnt++;
86  break;
87  case TSK_CONTACT:
88  if (selectedAccount.getAccountType() != Account.Type.DEVICE) {
89  String typeSpecificID = selectedAccount.getTypeSpecificID();
90 
91  List<BlackboardAttribute> attributes = null;
92 
93  try{
94  attributes = artifact.getAttributes();
95  } catch(TskCoreException ex) {
96  logger.log(Level.WARNING, String.format("Unable to getAttributes for artifact: %d", artifact.getArtifactID()), ex);
97  break;
98  }
99 
100  boolean isReference = false;
101 
102  for (BlackboardAttribute attribute : attributes) {
103 
104  String attributeTypeName = attribute.getAttributeType().getTypeName();
105  String attributeValue = attribute.getValueString();
106  try {
107  if (attributeTypeName.contains("PHONE")) {
108  attributeValue = CommunicationsUtils.normalizePhoneNum(attributeValue);
109  } else if (attributeTypeName.contains("EMAIL")) {
110  attributeValue = CommunicationsUtils.normalizeEmailAddress(attributeValue);
111  }
112 
113  if (typeSpecificID.equals(attributeValue)) {
114  isReference = true;
115  break;
116  }
117  } catch (InvalidAccountIDException ex) {
118  logger.log(Level.WARNING, String.format("Exception thrown "
119  + "in trying to normalize attribute value: %s",
120  attributeValue), ex); //NON-NLS
121  }
122 
123  }
124  if (isReference) {
125  referenceCnt++;
126  } else {
127  contactsCnt++;
128  }
129  } else {
130  contactsCnt++;
131  }
132  break;
133  default:
134  break;
135  }
136  }
137  try {
138  // count the attachments from the TSK_ATTACHMENTS attribute.
139  BlackboardAttribute attachmentsAttr = artifact.getAttribute(new BlackboardAttribute.Type(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_ATTACHMENTS));
140  if (attachmentsAttr != null) {
141  try {
142  MessageAttachments msgAttachments = BlackboardJsonAttrUtil.fromAttribute(attachmentsAttr, MessageAttachments.class);
143  Collection<FileAttachment> fileAttachments = msgAttachments.getFileAttachments();
144  for (FileAttachment fileAttachment : fileAttachments) {
145  attachmentCnt++;
146  long attachedFileObjId = fileAttachment.getObjectId();
147  if (attachedFileObjId >= 0) {
148  AbstractFile attachedFile = artifact.getSleuthkitCase().getAbstractFileById(attachedFileObjId);
149  if (ImageUtils.thumbnailSupported(attachedFile)) {
150  mediaCnt++;
151  }
152  }
153  }
154  }
155  catch (BlackboardJsonAttrUtil.InvalidJsonException ex) {
156  logger.log(Level.WARNING, String.format("Unable to parse json for MessageAttachments object in artifact: %s", artifact.getName()), ex);
157  }
158  } else { // backward compatibility - email message attachments are derived files, children of the message.
159  attachmentCnt += artifact.getChildrenCount();
160  for (Content childContent : artifact.getChildren()) {
161  if (ImageUtils.thumbnailSupported(childContent)) {
162  mediaCnt++;
163  }
164  }
165  }
166  } catch (TskCoreException ex) {
167  logger.log(Level.WARNING, String.format("Exception thrown "
168  + "from getChildrenCount artifactID: %d",
169  artifact.getArtifactID()), ex); //NON-NLS
170  }
171  }
172  }
173 
179  public int getAttachmentCnt() {
180  return attachmentCnt;
181  }
182 
188  public int getMessagesCnt() {
189  return messagesCnt;
190  }
191 
197  public int getEmailCnt() {
198  return emailCnt;
199  }
200 
206  public int getCallLogCnt() {
207  return callLogCnt;
208  }
209 
215  public int getContactsCnt() {
216  return contactsCnt;
217  }
218 
224  public int getThumbnailCnt() {
225  return mediaCnt;
226  }
227 
233  public int getReferenceCnt() {
234  return referenceCnt;
235  }
236 }

Copyright © 2012-2022 Basis Technology. Generated on: Wed Oct 5 2022
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