mirror of
https://github.com/overcuriousity/autopsy-flatpak.git
synced 2025-07-08 22:29:33 +00:00
Cleaned up EmailParser code
This commit is contained in:
Kelly Kelly
parent
4974955ffa
commit
2103ce95f3
@ -1,7 +1,7 @@
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/*
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* Autopsy Forensic Browser
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*
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* Copyright 2019 Basis Technology Corp.
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* Copyright 2019-2020 Basis Technology Corp.
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* Contact: carrier <at> sleuthkit <dot> org
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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@ -31,7 +31,6 @@ import org.apache.james.mime4j.dom.Entity;
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import org.apache.james.mime4j.dom.Message;
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import org.apache.james.mime4j.dom.MessageWriter;
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import org.apache.james.mime4j.dom.Multipart;
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import org.apache.james.mime4j.dom.SingleBody;
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import org.apache.james.mime4j.dom.TextBody;
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import org.apache.james.mime4j.dom.address.AddressList;
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import org.apache.james.mime4j.dom.address.Mailbox;
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@ -348,8 +347,6 @@ class MimeJ4MessageParser implements AutoCloseable{
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logger.log(Level.WARNING, "Failed to create file output stream for: " + outPath, ex); //NON-NLS
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}
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}
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}
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/**
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@ -73,6 +73,7 @@ import org.sleuthkit.datamodel.blackboardutils.attributes.MessageAttachments.Fil
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* structure and metadata.
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*/
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public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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private static final Logger logger = Logger.getLogger(ThunderbirdMboxFileIngestModule.class.getName());
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private final IngestServices services = IngestServices.getInstance();
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private FileManager fileManager;
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@ -90,7 +91,7 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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}
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@Override
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@Messages ({"ThunderbirdMboxFileIngestModule.noOpenCase.errMsg=Exception while getting open case."})
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@Messages({"ThunderbirdMboxFileIngestModule.noOpenCase.errMsg=Exception while getting open case."})
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public void startUp(IngestJobContext context) throws IngestModuleException {
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this.context = context;
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try {
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@ -113,8 +114,8 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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}
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//skip unalloc
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if ((abstractFile.getType().equals(TskData.TSK_DB_FILES_TYPE_ENUM.UNALLOC_BLOCKS)) ||
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(abstractFile.getType().equals(TskData.TSK_DB_FILES_TYPE_ENUM.SLACK))) {
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if ((abstractFile.getType().equals(TskData.TSK_DB_FILES_TYPE_ENUM.UNALLOC_BLOCKS))
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|| (abstractFile.getType().equals(TskData.TSK_DB_FILES_TYPE_ENUM.SLACK))) {
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return ProcessResult.OK;
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}
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@ -146,7 +147,7 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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return ProcessResult.OK;
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}
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if (isMbox || isEMLFile || isPstFile || isVcardFile ) {
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if (isMbox || isEMLFile || isPstFile || isVcardFile) {
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try {
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communicationArtifactsHelper = new CommunicationArtifactsHelper(currentCase.getSleuthkitCase(),
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EmailParserModuleFactory.getModuleName(), abstractFile, Account.Type.EMAIL);
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@ -187,7 +188,7 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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String fileName;
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try {
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fileName = getTempPath() + File.separator + abstractFile.getName()
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+ "-" + String.valueOf(abstractFile.getId());
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+ "-" + String.valueOf(abstractFile.getId());
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} catch (NoCurrentCaseException ex) {
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logger.log(Level.SEVERE, "Exception while getting open case.", ex); //NON-NLS
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return ProcessResult.ERROR;
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@ -205,7 +206,7 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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return ProcessResult.OK;
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}
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try (PstParser parser = new PstParser(services)){
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try (PstParser parser = new PstParser(services)) {
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try {
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ContentUtils.writeToFile(abstractFile, file, context::fileIngestIsCancelled);
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} catch (IOException ex) {
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@ -215,7 +216,7 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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PstParser.ParseResult result = parser.open(file, abstractFile.getId());
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switch( result) {
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switch (result) {
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case OK:
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Iterator<EmailMessage> pstMsgIterator = parser.getEmailMessageIterator();
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if (pstMsgIterator != null) {
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@ -239,20 +240,20 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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// encrypted pst: Add encrypted file artifact
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try {
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BlackboardArtifact artifact = abstractFile.newArtifact(BlackboardArtifact.ARTIFACT_TYPE.TSK_ENCRYPTION_DETECTED);
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artifact.addAttribute(new BlackboardAttribute(ATTRIBUTE_TYPE.TSK_NAME, EmailParserModuleFactory.getModuleName(), NbBundle.getMessage(this.getClass(), "ThunderbirdMboxFileIngestModule.encryptionFileLevel")));
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BlackboardArtifact artifact = abstractFile.newArtifact(BlackboardArtifact.ARTIFACT_TYPE.TSK_ENCRYPTION_DETECTED);
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artifact.addAttribute(new BlackboardAttribute(ATTRIBUTE_TYPE.TSK_NAME, EmailParserModuleFactory.getModuleName(), NbBundle.getMessage(this.getClass(), "ThunderbirdMboxFileIngestModule.encryptionFileLevel")));
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try {
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// index the artifact for keyword search
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blackboard.postArtifact(artifact, EmailParserModuleFactory.getModuleName());
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} catch (Blackboard.BlackboardException ex) {
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MessageNotifyUtil.Notify.error(Bundle.ThunderbirdMboxFileIngestModule_processPst_indexError_message(), artifact.getDisplayName());
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logger.log(Level.SEVERE, "Unable to index blackboard artifact " + artifact.getArtifactID(), ex); //NON-NLS
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}
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} catch (TskCoreException ex) {
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logger.log(Level.INFO, "Failed to add encryption attribute to file: {0}", abstractFile.getName()); //NON-NLS
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try {
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// index the artifact for keyword search
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blackboard.postArtifact(artifact, EmailParserModuleFactory.getModuleName());
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} catch (Blackboard.BlackboardException ex) {
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MessageNotifyUtil.Notify.error(Bundle.ThunderbirdMboxFileIngestModule_processPst_indexError_message(), artifact.getDisplayName());
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logger.log(Level.SEVERE, "Unable to index blackboard artifact " + artifact.getArtifactID(), ex); //NON-NLS
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}
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break;
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} catch (TskCoreException ex) {
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logger.log(Level.INFO, "Failed to add encryption attribute to file: {0}", abstractFile.getName()); //NON-NLS
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}
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break;
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default:
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// parsing error: log message
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postErrorMessage(
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@ -263,8 +264,8 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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logger.log(Level.INFO, "PSTParser failed to parse {0}", abstractFile.getName()); //NON-NLS
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return ProcessResult.ERROR;
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}
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} catch(Exception ex) {
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logger.log(Level.WARNING, String.format("Failed to close temp pst file %s", file.getAbsolutePath()));
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} catch (Exception ex) {
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logger.log(Level.WARNING, String.format("Failed to close temp pst file %s", file.getAbsolutePath()));
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} finally {
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file.delete();
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}
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@ -295,7 +296,7 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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String fileName;
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try {
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fileName = getTempPath() + File.separator + abstractFile.getName()
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+ "-" + String.valueOf(abstractFile.getId());
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+ "-" + String.valueOf(abstractFile.getId());
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} catch (NoCurrentCaseException ex) {
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logger.log(Level.SEVERE, "Exception while getting open case.", ex); //NON-NLS
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return ProcessResult.ERROR;
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@ -322,18 +323,18 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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return ProcessResult.OK;
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}
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try{
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try {
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processMboxFile(file, abstractFile, emailFolder);
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if (context.fileIngestIsCancelled()) {
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return ProcessResult.OK;
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}
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}finally {
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} finally {
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file.delete();
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}
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} else {
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List<Long> mboxSplitOffsets = new ArrayList<>();
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try{
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try {
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mboxSplitOffsets = findMboxSplitOffset(abstractFile, file);
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} catch (IOException ex) {
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logger.log(Level.WARNING, String.format("Failed finding split offsets for mbox file {0}.", fileName), ex); //NON-NLS
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@ -349,7 +350,7 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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logger.log(Level.WARNING, "Failed writing split mbox file to disk.", ex); //NON-NLS
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return ProcessResult.OK;
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}
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try{
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try {
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processMboxFile(splitFile, abstractFile, emailFolder);
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startingOffset = mboxSplitOffset;
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} finally {
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@ -375,10 +376,10 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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int len = in.read(buffer);
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while (len != -1) {
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len = in.read(buffer);
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if (buffer[0] == 13 && buffer[1] == 10 && buffer[2] == 70 && buffer[3] == 114 &&
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buffer[4] == 111 && buffer[5] == 109 && buffer[6] == 32) {
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mboxSplitOffset.add(in.getCurPosition() - 5 );
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in.skip(MBOX_SIZE_TO_SPLIT);
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if (buffer[0] == 13 && buffer[1] == 10 && buffer[2] == 70 && buffer[3] == 114
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&& buffer[4] == 111 && buffer[5] == 109 && buffer[6] == 32) {
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mboxSplitOffset.add(in.getCurPosition() - 5);
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in.skip(MBOX_SIZE_TO_SPLIT);
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}
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}
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@ -386,18 +387,17 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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}
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private void processMboxFile(File file, AbstractFile abstractFile, String emailFolder) {
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try(MboxParser emailIterator = MboxParser.getEmailIterator( emailFolder, file, abstractFile.getId())) {
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try (MboxParser emailIterator = MboxParser.getEmailIterator(emailFolder, file, abstractFile.getId())) {
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List<EmailMessage> emails = new ArrayList<>();
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if(emailIterator != null) {
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while(emailIterator.hasNext()) {
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if (emailIterator != null) {
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while (emailIterator.hasNext()) {
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if (context.fileIngestIsCancelled()) {
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return;
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}
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EmailMessage emailMessage = emailIterator.next();
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if(emailMessage != null) {
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if (emailMessage != null) {
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emails.add(emailMessage);
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}
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}
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@ -409,8 +409,8 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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abstractFile.getName()), errors);
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}
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}
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processEmails(emails, MboxParser.getEmailIterator( emailFolder, file, abstractFile.getId()), abstractFile);
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} catch(Exception ex) {
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processEmails(emails, MboxParser.getEmailIterator(emailFolder, file, abstractFile.getId()), abstractFile);
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} catch (Exception ex) {
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logger.log(Level.WARNING, String.format("Failed to close mbox temp file %s", file.getAbsolutePath()));
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}
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@ -451,16 +451,9 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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List<AbstractFile> derivedFiles = new ArrayList<>();
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AccountFileInstanceCache accountFileInstanceCache = new AccountFileInstanceCache(abstractFile, currentCase);
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// BlackboardArtifact msgArtifact = addEmailArtifact(message, abstractFile, accountFileInstanceCache);
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createEmailArtifact(message, abstractFile, accountFileInstanceCache, derivedFiles);
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accountFileInstanceCache.clear();
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// if ((msgArtifact != null) && (message.hasAttachment())) {
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// derivedFiles.addAll(handleAttachments(message.getAttachments(), abstractFile, msgArtifact));
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// }
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if (derivedFiles.isEmpty() == false) {
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for (AbstractFile derived : derivedFiles) {
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services.fireModuleContentEvent(new ModuleContentEvent(derived));
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@ -539,41 +532,34 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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// Putting try/catch around this to catch any exception and still allow
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// the creation of the artifacts to continue.
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try{
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try {
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EmailMessageThreader.threadMessages(partialEmailsForThreading);
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} catch(Exception ex) {
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} catch (Exception ex) {
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logger.log(Level.WARNING, String.format("Exception thrown parsing emails from %s", abstractFile.getName()), ex);
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}
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List<AbstractFile> derivedFiles = new ArrayList<>();
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int msgCnt = 0;
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while(fullMessageIterator.hasNext()) {
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while (fullMessageIterator.hasNext()) {
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if (context.fileIngestIsCancelled()) {
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return;
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}
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EmailMessage current = fullMessageIterator.next();
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if(current == null) {
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if (current == null) {
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continue;
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}
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if(partialEmailsForThreading.size() > msgCnt) {
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if (partialEmailsForThreading.size() > msgCnt) {
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EmailMessage threaded = partialEmailsForThreading.get(msgCnt++);
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if(threaded.getMessageID().equals(current.getMessageID()) &&
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threaded.getSubject().equals(current.getSubject())) {
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if (threaded.getMessageID().equals(current.getMessageID())
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&& threaded.getSubject().equals(current.getSubject())) {
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current.setMessageThreadID(threaded.getMessageThreadID());
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}
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}
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// BlackboardArtifact msgArtifact = addEmailArtifact(current, abstractFile, accountFileInstanceCache);
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//
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// if ((msgArtifact != null) && (current.hasAttachment())) {
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// derivedFiles.addAll(handleAttachments(current.getAttachments(), abstractFile, msgArtifact ));
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// }
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createEmailArtifact(current, abstractFile, accountFileInstanceCache, derivedFiles);
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}
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@ -591,11 +577,11 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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void createEmailArtifact(EmailMessage email, AbstractFile abstractFile, AccountFileInstanceCache accountFileInstanceCache, List<AbstractFile> derivedFiles) {
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BlackboardArtifact msgArtifact = addEmailArtifact(email, abstractFile, accountFileInstanceCache);
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if ((msgArtifact != null) && (email.hasAttachment())) {
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derivedFiles.addAll(handleAttachments(email.getAttachments(), abstractFile, msgArtifact ));
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if ((msgArtifact != null) && (email.hasAttachment())) {
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derivedFiles.addAll(handleAttachments(email.getAttachments(), abstractFile, msgArtifact));
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for (EmailMessage.Attachment attach : email.getAttachments()) {
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if(attach instanceof AttachedEmailMessage) {
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if (attach instanceof AttachedEmailMessage) {
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createEmailArtifact(((AttachedEmailMessage) attach).getEmailMessage(), abstractFile, accountFileInstanceCache, derivedFiles);
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}
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}
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@ -613,8 +599,8 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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* @return List of attachments
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*/
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@NbBundle.Messages({
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"ThunderbirdMboxFileIngestModule.handleAttch.addAttachmentsErrorMsg=Failed to add attachments to email message."
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})
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"ThunderbirdMboxFileIngestModule.handleAttch.addAttachmentsErrorMsg=Failed to add attachments to email message."
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})
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private List<AbstractFile> handleAttachments(List<EmailMessage.Attachment> attachments, AbstractFile abstractFile, BlackboardArtifact messageArtifact) {
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List<AbstractFile> files = new ArrayList<>();
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List<FileAttachment> fileAttachments = new ArrayList<>();
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@ -648,14 +634,13 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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}
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}
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try {
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communicationArtifactsHelper.addAttachments(messageArtifact, new MessageAttachments(fileAttachments, Collections.emptyList()));
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} catch (TskCoreException ex) {
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postErrorMessage(
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NbBundle.getMessage(this.getClass(), "ThunderbirdMboxFileIngestModule.handleAttch.addAttachmentsErrorMsg"),
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"");
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logger.log(Level.INFO, "Failed to add attachments to email message.", ex);
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postErrorMessage(
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NbBundle.getMessage(this.getClass(), "ThunderbirdMboxFileIngestModule.handleAttch.addAttachmentsErrorMsg"),
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"");
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logger.log(Level.INFO, "Failed to add attachments to email message.", ex);
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}
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return files;
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@ -675,7 +660,8 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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}
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/**
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* Finds and returns a set of unique email addresses found in the input string
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* Finds and returns a set of unique email addresses found in the input
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* string
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*
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* @param input - input string, like the To/CC line from an email header
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*
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@ -683,11 +669,11 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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*/
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private Set<String> findEmailAddresess(String input) {
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Pattern p = Pattern.compile("\\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,4}\\b",
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Pattern.CASE_INSENSITIVE);
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Pattern.CASE_INSENSITIVE);
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Matcher m = p.matcher(input);
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Set<String> emailAddresses = new HashSet<>();
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while (m.find()) {
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emailAddresses.add( m.group());
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emailAddresses.add(m.group());
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}
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return emailAddresses;
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}
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@ -695,9 +681,9 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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/**
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* Add a blackboard artifact for the given e-mail message.
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*
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* @param email The e-mail message.
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* @param abstractFile The associated file.
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* @param accountFileInstanceCache The current cache of account instances.
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* @param email The e-mail message.
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* @param abstractFile The associated file.
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* @param accountFileInstanceCache The current cache of account instances.
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*
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* @return The generated e-mail message artifact.
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*/
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@ -733,13 +719,11 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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senderAddress = senderAddressList.get(0);
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try {
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senderAccountInstance = accountFileInstanceCache.getAccountInstance(senderAddress);
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} catch (TskCoreException ex) {
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logger.log(Level.WARNING, "Failed to create account for email address " + senderAddress, ex); //NON-NLS
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}
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catch(TskCoreException ex) {
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logger.log(Level.WARNING, "Failed to create account for email address " + senderAddress, ex); //NON-NLS
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}
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}
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else {
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logger.log(Level.WARNING, "Failed to find sender address, from = {0}", from); //NON-NLS
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} else {
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logger.log(Level.WARNING, "Failed to find sender address, from = {0}", from); //NON-NLS
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}
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if (context.fileIngestIsCancelled()) {
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@ -759,8 +743,7 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
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try {
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AccountFileInstance recipientAccountInstance = accountFileInstanceCache.getAccountInstance(addr);
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recipientAccountInstances.add(recipientAccountInstance);
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}
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catch(TskCoreException ex) {
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} catch (TskCoreException ex) {
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logger.log(Level.WARNING, "Failed to create account for email address " + addr, ex); //NON-NLS
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}
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}
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@ -786,7 +769,6 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
|
||||
addArtifactAttribute(rtf, ATTRIBUTE_TYPE.TSK_EMAIL_CONTENT_RTF, bbattributes);
|
||||
addArtifactAttribute(threadID, ATTRIBUTE_TYPE.TSK_THREAD_ID, bbattributes);
|
||||
|
||||
|
||||
try {
|
||||
if (context.fileIngestIsCancelled()) {
|
||||
return null;
|
||||
@ -800,7 +782,7 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
|
||||
}
|
||||
|
||||
// Add account relationships
|
||||
currentCase.getSleuthkitCase().getCommunicationsManager().addRelationships(senderAccountInstance, recipientAccountInstances, bbart,Relationship.Type.MESSAGE, dateL);
|
||||
currentCase.getSleuthkitCase().getCommunicationsManager().addRelationships(senderAccountInstance, recipientAccountInstances, bbart, Relationship.Type.MESSAGE, dateL);
|
||||
|
||||
if (context.fileIngestIsCancelled()) {
|
||||
return null;
|
||||
@ -808,7 +790,7 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
|
||||
|
||||
try {
|
||||
// index the artifact for keyword search
|
||||
blackboard.postArtifact(bbart, EmailParserModuleFactory.getModuleName());
|
||||
blackboard.postArtifact(bbart, EmailParserModuleFactory.getModuleName());
|
||||
} catch (Blackboard.BlackboardException ex) {
|
||||
logger.log(Level.SEVERE, "Unable to index blackboard artifact " + bbart.getArtifactID(), ex); //NON-NLS
|
||||
MessageNotifyUtil.Notify.error(Bundle.ThunderbirdMboxFileIngestModule_addArtifact_indexError_message(), bbart.getDisplayName());
|
||||
@ -823,7 +805,7 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
|
||||
/**
|
||||
* Add an attribute of a specified type to a supplied Collection.
|
||||
*
|
||||
* @param stringVal The attribute value.
|
||||
* @param stringVal The attribute value.
|
||||
* @param attrType The type of attribute to be added.
|
||||
* @param bbattributes The Collection to which the attribute will be added.
|
||||
*/
|
||||
@ -860,22 +842,24 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
|
||||
}
|
||||
|
||||
/**
|
||||
* Cache for storing AccountFileInstance.
|
||||
* The idea is that emails will be used multiple times in a file and
|
||||
* we shouldn't do a database lookup each time.
|
||||
* Cache for storing AccountFileInstance. The idea is that emails will be
|
||||
* used multiple times in a file and we shouldn't do a database lookup each
|
||||
* time.
|
||||
*/
|
||||
static private class AccountFileInstanceCache {
|
||||
|
||||
private final Map<String, AccountFileInstance> cacheMap;
|
||||
private final AbstractFile file;
|
||||
private final Case currentCase;
|
||||
|
||||
/**
|
||||
* Create a new cache. Caches are linked to a specific file.
|
||||
*
|
||||
* @param file
|
||||
* @param currentCase
|
||||
*/
|
||||
AccountFileInstanceCache(AbstractFile file, Case currentCase) {
|
||||
cacheMap= new HashMap<>();
|
||||
cacheMap = new HashMap<>();
|
||||
this.file = file;
|
||||
this.currentCase = currentCase;
|
||||
}
|
||||
@ -894,9 +878,9 @@ public final class ThunderbirdMboxFileIngestModule implements FileIngestModule {
|
||||
return cacheMap.get(email);
|
||||
}
|
||||
|
||||
AccountFileInstance accountInstance =
|
||||
currentCase.getSleuthkitCase().getCommunicationsManager().createAccountFileInstance(Account.Type.EMAIL, email,
|
||||
EmailParserModuleFactory.getModuleName(), file);
|
||||
AccountFileInstance accountInstance
|
||||
= currentCase.getSleuthkitCase().getCommunicationsManager().createAccountFileInstance(Account.Type.EMAIL, email,
|
||||
EmailParserModuleFactory.getModuleName(), file);
|
||||
cacheMap.put(email, accountInstance);
|
||||
return accountInstance;
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user