mirror of
https://github.com/overcuriousity/autopsy-flatpak.git
synced 2025-07-19 11:07:43 +00:00
5370 cache file discovery search results
This commit is contained in:
William Schaefer
parent
0981a7a60a
commit
d7a84a9c72
@ -86,10 +86,10 @@ class FileDiscoveryDialog extends javax.swing.JDialog {
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setVisible(true);
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}
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@Override
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public void dispose() {
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fileSearchPanel.cancelSearch();
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FileSearch.clearCache();
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DiscoveryEvents.getDiscoveryEventBus().unregister(groupListPanel);
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DiscoveryEvents.getDiscoveryEventBus().unregister(resultsPanel);
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super.dispose();
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@ -18,6 +18,8 @@
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*/
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package org.sleuthkit.autopsy.filequery;
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import com.google.common.cache.Cache;
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import com.google.common.cache.CacheBuilder;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.ArrayList;
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@ -55,9 +57,12 @@ import org.sleuthkit.datamodel.TskCoreException;
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class FileSearch {
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private final static Logger logger = Logger.getLogger(FileSearch.class.getName());
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private static final Cache<String, List<AbstractFile>> groupCache = CacheBuilder.newBuilder().build();
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/**
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* Run the file search and returns the SearchResults object for debugging.
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* Clears cache of search results, caching new results for access at later
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* time.
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*
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* @param filters The filters to apply
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* @param groupAttributeType The attribute to use for grouping
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@ -72,13 +77,13 @@ class FileSearch {
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*
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* @throws FileSearchException
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*/
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static SearchResults runFileSearchDebug(
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static synchronized SearchResults runFileSearchDebug(
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List<FileSearchFiltering.FileFilter> filters,
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AttributeType groupAttributeType,
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FileGroup.GroupSortingAlgorithm groupSortingType,
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FileSorter.SortingMethod fileSortingMethod,
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SleuthkitCase caseDb, EamDb centralRepoDb) throws FileSearchException {
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clearCache();
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// Make a list of attributes that we want to add values for. This ensures the
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// ResultFile objects will have all needed fields set when it's time to group
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// and sort them. For example, if we're grouping by central repo frequency, we need
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@ -99,12 +104,16 @@ class FileSearch {
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// Sort and group the results
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searchResults.sortGroupsAndFiles();
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LinkedHashMap<String, List<AbstractFile>> resultHashMap = searchResults.toLinkedHashMap();
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for (String groupName : resultHashMap.keySet()) {
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groupCache.put(groupName, resultHashMap.get(groupName));
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}
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return searchResults;
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}
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/**
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* Run the file search to get the group names and sizes.
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* Run the file search to get the group names and sizes. Clears cache of
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* search results, caching new results for access at later time.
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*
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* @param filters The filters to apply
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* @param groupAttributeType The attribute to use for grouping
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@ -125,10 +134,8 @@ class FileSearch {
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FileGroup.GroupSortingAlgorithm groupSortingType,
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FileSorter.SortingMethod fileSortingMethod,
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SleuthkitCase caseDb, EamDb centralRepoDb) throws FileSearchException {
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LinkedHashMap<String, List<AbstractFile>> searchResults = runFileSearch(filters,
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groupAttributeType, groupSortingType, fileSortingMethod, caseDb, centralRepoDb);
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LinkedHashMap<String, Integer> groupSizes = new LinkedHashMap<>();
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for (String groupName : searchResults.keySet()) {
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groupSizes.put(groupName, searchResults.get(groupName).size());
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@ -137,7 +144,8 @@ class FileSearch {
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}
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/**
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* Run the file search to get the files in a given group.
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* Get the files from the specified group from the cache, if the the group
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* was not cached perform a search caching the groups.
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*
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* @param filters The filters to apply
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* @param groupAttributeType The attribute to use for grouping
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@ -155,7 +163,7 @@ class FileSearch {
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*
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* @throws FileSearchException
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*/
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static List<AbstractFile> getFilesInGroup(
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static synchronized List<AbstractFile> getFilesInGroup(
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List<FileSearchFiltering.FileFilter> filters,
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AttributeType groupAttributeType,
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FileGroup.GroupSortingAlgorithm groupSortingType,
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@ -164,32 +172,34 @@ class FileSearch {
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int startingEntry,
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int numberOfEntries,
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SleuthkitCase caseDb, EamDb centralRepoDb) throws FileSearchException {
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LinkedHashMap<String, List<AbstractFile>> searchResults = runFileSearch(filters,
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groupAttributeType, groupSortingType, fileSortingMethod, caseDb, centralRepoDb);
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//the group should be in the cache at this point
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List<AbstractFile> filesInGroup = groupCache.getIfPresent(groupName);
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List<AbstractFile> page = new ArrayList<>();
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// Check that the group exists
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if (!searchResults.containsKey(groupName)) {
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return page;
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if (filesInGroup == null) {
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logger.log(Level.INFO, "Group {0} was not cached, performing search to cache all groups again", groupName);
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runFileSearch(filters, groupAttributeType, groupSortingType, fileSortingMethod, caseDb, centralRepoDb);
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filesInGroup = groupCache.getIfPresent(groupName);
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if (filesInGroup == null) {
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logger.log(Level.WARNING, "Group {0} did not exist in cache or new search results", groupName);
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return page; //group does not exist
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}
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}
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// Check that there is data after the starting point
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if (searchResults.get(groupName).size() < startingEntry) {
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if (filesInGroup.size() < startingEntry) {
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logger.log(Level.WARNING, "Group only contains {0} files, starting entry of {1} is too large.", new Object[]{filesInGroup.size(), startingEntry});
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return page;
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}
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// Add each page in the range
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for (int i = startingEntry; (i < startingEntry + numberOfEntries)
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&& (i < searchResults.get(groupName).size()); i++) {
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page.add(searchResults.get(groupName).get(i));
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&& (i < filesInGroup.size()); i++) {
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page.add(filesInGroup.get(i));
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}
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return page;
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}
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/**
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* Run the file search.
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* Run the file search. Clears cache of search results, caching new results
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* for access at later time.
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*
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* @param filters The filters to apply
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* @param groupAttributeType The attribute to use for grouping
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@ -204,13 +214,14 @@ class FileSearch {
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*
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* @throws FileSearchException
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*/
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static LinkedHashMap<String, List<AbstractFile>> runFileSearch(
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private synchronized static LinkedHashMap<String, List<AbstractFile>> runFileSearch(
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List<FileSearchFiltering.FileFilter> filters,
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AttributeType groupAttributeType,
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FileGroup.GroupSortingAlgorithm groupSortingType,
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FileSorter.SortingMethod fileSortingMethod,
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SleuthkitCase caseDb, EamDb centralRepoDb) throws FileSearchException {
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clearCache();
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// Make a list of attributes that we want to add values for. This ensures the
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// ResultFile objects will have all needed fields set when it's time to group
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// and sort them. For example, if we're grouping by central repo frequency, we need
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@ -228,7 +239,10 @@ class FileSearch {
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// Collect everything in the search results
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SearchResults searchResults = new SearchResults(groupSortingType, groupAttributeType, fileSortingMethod);
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searchResults.add(resultFiles);
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LinkedHashMap<String, List<AbstractFile>> resultHashMap = searchResults.toLinkedHashMap();
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for (String groupName : resultHashMap.keySet()) {
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groupCache.put(groupName, resultHashMap.get(groupName));
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}
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// Return a version of the results in general Java objects
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return searchResults.toLinkedHashMap();
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}
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@ -246,7 +260,7 @@ class FileSearch {
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*
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* @throws FileSearchException
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*/
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static void addAttributes(List<AttributeType> attrs, List<ResultFile> resultFiles, SleuthkitCase caseDb, EamDb centralRepoDb)
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private static void addAttributes(List<AttributeType> attrs, List<ResultFile> resultFiles, SleuthkitCase caseDb, EamDb centralRepoDb)
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throws FileSearchException {
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for (AttributeType attr : attrs) {
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attr.addAttributeToResultFiles(resultFiles, caseDb, centralRepoDb);
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@ -254,48 +268,67 @@ class FileSearch {
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}
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/**
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* Enum for the attribute types that can be used for grouping.
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* Computes the CR frequency of all the given hashes and updates the list of
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* files.
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*
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* @param hashesToLookUp Hashes to find the frequency of
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* @param currentFiles List of files to update with frequencies
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*/
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@NbBundle.Messages({
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"FileSearch.GroupingAttributeType.fileType.displayName=File type",
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"FileSearch.GroupingAttributeType.frequency.displayName=Past occurrences",
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"FileSearch.GroupingAttributeType.keywordList.displayName=Keyword list names",
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"FileSearch.GroupingAttributeType.size.displayName=Size",
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"FileSearch.GroupingAttributeType.datasource.displayName=Data source",
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"FileSearch.GroupingAttributeType.parent.displayName=Parent folder",
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"FileSearch.GroupingAttributeType.hash.displayName=Hash set",
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"FileSearch.GroupingAttributeType.interestingItem.displayName=Interesting item set",
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"FileSearch.GroupingAttributeType.tag.displayName=File tag",
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"FileSearch.GroupingAttributeType.object.displayName=Object detected",
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"FileSearch.GroupingAttributeType.none.displayName=None"})
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enum GroupingAttributeType {
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FILE_SIZE(new FileSizeAttribute(), Bundle.FileSearch_GroupingAttributeType_size_displayName()),
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FREQUENCY(new FrequencyAttribute(), Bundle.FileSearch_GroupingAttributeType_frequency_displayName()),
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KEYWORD_LIST_NAME(new KeywordListAttribute(), Bundle.FileSearch_GroupingAttributeType_keywordList_displayName()),
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DATA_SOURCE(new DataSourceAttribute(), Bundle.FileSearch_GroupingAttributeType_datasource_displayName()),
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PARENT_PATH(new ParentPathAttribute(), Bundle.FileSearch_GroupingAttributeType_parent_displayName()),
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HASH_LIST_NAME(new HashHitsAttribute(), Bundle.FileSearch_GroupingAttributeType_hash_displayName()),
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INTERESTING_ITEM_SET(new InterestingItemAttribute(), Bundle.FileSearch_GroupingAttributeType_interestingItem_displayName()),
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FILE_TAG(new FileTagAttribute(), Bundle.FileSearch_GroupingAttributeType_tag_displayName()),
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OBJECT_DETECTED(new ObjectDetectedAttribute(), Bundle.FileSearch_GroupingAttributeType_object_displayName()),
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NO_GROUPING(new NoGroupingAttribute(), Bundle.FileSearch_GroupingAttributeType_none_displayName());
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private static void computeFrequency(Set<String> hashesToLookUp, List<ResultFile> currentFiles, EamDb centralRepoDb) {
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private final AttributeType attributeType;
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private final String displayName;
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GroupingAttributeType(AttributeType attributeType, String displayName) {
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this.attributeType = attributeType;
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this.displayName = displayName;
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if (hashesToLookUp.isEmpty()) {
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return;
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}
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@Override
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public String toString() {
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return displayName;
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String hashes = String.join("','", hashesToLookUp);
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hashes = "'" + hashes + "'";
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try {
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CorrelationAttributeInstance.Type attributeType = centralRepoDb.getCorrelationTypeById(CorrelationAttributeInstance.FILES_TYPE_ID);
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String tableName = EamDbUtil.correlationTypeToInstanceTableName(attributeType);
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String selectClause = " value, COUNT(value) FROM "
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+ "(SELECT DISTINCT case_id, value FROM " + tableName
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+ " WHERE value IN ("
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+ hashes
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+ ")) AS foo GROUP BY value";
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FrequencyCallback callback = new FrequencyCallback(currentFiles);
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centralRepoDb.processSelectClause(selectClause, callback);
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} catch (EamDbException ex) {
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logger.log(Level.WARNING, "Error getting frequency counts from Central Repository", ex); // NON-NLS
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}
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AttributeType getAttributeType() {
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return attributeType;
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}
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private static String createSetNameClause(List<ResultFile> files,
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int artifactTypeID, int setNameAttrID) throws FileSearchException {
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// Concatenate the object IDs in the list of files
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String objIdList = ""; // NON-NLS
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for (ResultFile file : files) {
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if (!objIdList.isEmpty()) {
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objIdList += ","; // NON-NLS
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}
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objIdList += "\'" + file.getAbstractFile().getId() + "\'"; // NON-NLS
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}
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// Get pairs of (object ID, set name) for all files in the list of files that have
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// the given artifact type.
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return "blackboard_artifacts.obj_id AS object_id, blackboard_attributes.value_text AS set_name "
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+ "FROM blackboard_artifacts "
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+ "INNER JOIN blackboard_attributes ON blackboard_artifacts.artifact_id=blackboard_attributes.artifact_id "
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+ "WHERE blackboard_attributes.artifact_type_id=\'" + artifactTypeID + "\' "
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+ "AND blackboard_attributes.attribute_type_id=\'" + setNameAttrID + "\' "
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+ "AND blackboard_artifacts.obj_id IN (" + objIdList + ") "; // NON-NLS
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}
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synchronized static void clearCache() {
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groupCache.invalidateAll();
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}
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private FileSearch() {
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// Class should not be instantiated
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}
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/**
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@ -774,7 +807,7 @@ class FileSearch {
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* Attribute for grouping/sorting by frequency in the central repository
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*/
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static class FrequencyAttribute extends AttributeType {
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static final int BATCH_SIZE = 50; // Number of hashes to look up at one time
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@Override
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@ -783,13 +816,13 @@ class FileSearch {
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}
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@Override
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void addAttributeToResultFiles(List<ResultFile> files, SleuthkitCase caseDb,
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void addAttributeToResultFiles(List<ResultFile> files, SleuthkitCase caseDb,
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EamDb centralRepoDb) throws FileSearchException {
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if (centralRepoDb == null) {
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throw new FileSearchException("Central Repository is not enabled - can not add frequency data"); // NON-NLS
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}
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// Set frequency in batches
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Set<String> hashesToLookUp = new HashSet<>();
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List<ResultFile> currentFiles = new ArrayList<>();
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@ -800,49 +833,16 @@ class FileSearch {
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hashesToLookUp.add(file.getAbstractFile().getMd5Hash());
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currentFiles.add(file);
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}
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if (hashesToLookUp.size() >= BATCH_SIZE) {
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computeFrequency(hashesToLookUp, currentFiles, centralRepoDb);
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hashesToLookUp.clear();
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currentFiles.clear();
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}
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}
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computeFrequency(hashesToLookUp, currentFiles, centralRepoDb);
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}
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}
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/**
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* Computes the CR frequency of all the given hashes and updates the list of files.
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*
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* @param hashesToLookUp Hashes to find the frequency of
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* @param currentFiles List of files to update with frequencies
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*/
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private static void computeFrequency(Set<String> hashesToLookUp, List<ResultFile> currentFiles, EamDb centralRepoDb) {
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if (hashesToLookUp.isEmpty()) {
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return;
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}
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String hashes = String.join("','", hashesToLookUp);
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hashes = "'" + hashes + "'";
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try {
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CorrelationAttributeInstance.Type attributeType = centralRepoDb.getCorrelationTypeById(CorrelationAttributeInstance.FILES_TYPE_ID);
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String tableName = EamDbUtil.correlationTypeToInstanceTableName(attributeType);
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String selectClause = " value, COUNT(value) FROM "
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+ "(SELECT DISTINCT case_id, value FROM " + tableName
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+ " WHERE value IN ("
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+ hashes
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+ ")) AS foo GROUP BY value";
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FrequencyCallback callback = new FrequencyCallback(currentFiles);
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centralRepoDb.processSelectClause(selectClause, callback);
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} catch (EamDbException ex) {
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logger.log(Level.WARNING, "Error getting frequency counts from Central Repository", ex); // NON-NLS
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}
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}
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/**
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@ -860,7 +860,7 @@ class FileSearch {
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@Override
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public void process(ResultSet resultSet) {
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try {
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while (resultSet.next()) {
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String hash = resultSet.getString(1);
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int count = resultSet.getInt(2);
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@ -872,7 +872,7 @@ class FileSearch {
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}
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}
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}
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// The files left had no matching entries in the CR, so mark them as unique
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for (ResultFile file : files) {
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file.setFrequency(Frequency.UNIQUE);
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@ -882,7 +882,7 @@ class FileSearch {
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}
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}
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}
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/**
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* Key representing a central repository frequency group
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*/
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@ -1499,29 +1499,48 @@ class FileSearch {
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}
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}
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private static String createSetNameClause(List<ResultFile> files,
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int artifactTypeID, int setNameAttrID) throws FileSearchException {
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/**
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* Enum for the attribute types that can be used for grouping.
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*/
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@NbBundle.Messages({
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"FileSearch.GroupingAttributeType.fileType.displayName=File type",
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"FileSearch.GroupingAttributeType.frequency.displayName=Past occurrences",
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"FileSearch.GroupingAttributeType.keywordList.displayName=Keyword list names",
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"FileSearch.GroupingAttributeType.size.displayName=Size",
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"FileSearch.GroupingAttributeType.datasource.displayName=Data source",
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"FileSearch.GroupingAttributeType.parent.displayName=Parent folder",
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"FileSearch.GroupingAttributeType.hash.displayName=Hash set",
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"FileSearch.GroupingAttributeType.interestingItem.displayName=Interesting item set",
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"FileSearch.GroupingAttributeType.tag.displayName=File tag",
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"FileSearch.GroupingAttributeType.object.displayName=Object detected",
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"FileSearch.GroupingAttributeType.none.displayName=None"})
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enum GroupingAttributeType {
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FILE_SIZE(new FileSizeAttribute(), Bundle.FileSearch_GroupingAttributeType_size_displayName()),
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FREQUENCY(new FrequencyAttribute(), Bundle.FileSearch_GroupingAttributeType_frequency_displayName()),
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KEYWORD_LIST_NAME(new KeywordListAttribute(), Bundle.FileSearch_GroupingAttributeType_keywordList_displayName()),
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DATA_SOURCE(new DataSourceAttribute(), Bundle.FileSearch_GroupingAttributeType_datasource_displayName()),
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PARENT_PATH(new ParentPathAttribute(), Bundle.FileSearch_GroupingAttributeType_parent_displayName()),
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HASH_LIST_NAME(new HashHitsAttribute(), Bundle.FileSearch_GroupingAttributeType_hash_displayName()),
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INTERESTING_ITEM_SET(new InterestingItemAttribute(), Bundle.FileSearch_GroupingAttributeType_interestingItem_displayName()),
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FILE_TAG(new FileTagAttribute(), Bundle.FileSearch_GroupingAttributeType_tag_displayName()),
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OBJECT_DETECTED(new ObjectDetectedAttribute(), Bundle.FileSearch_GroupingAttributeType_object_displayName()),
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NO_GROUPING(new NoGroupingAttribute(), Bundle.FileSearch_GroupingAttributeType_none_displayName());
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// Concatenate the object IDs in the list of files
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String objIdList = ""; // NON-NLS
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for (ResultFile file : files) {
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if (!objIdList.isEmpty()) {
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objIdList += ","; // NON-NLS
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}
|
||||
objIdList += "\'" + file.getAbstractFile().getId() + "\'"; // NON-NLS
|
||||
private final AttributeType attributeType;
|
||||
private final String displayName;
|
||||
|
||||
GroupingAttributeType(AttributeType attributeType, String displayName) {
|
||||
this.attributeType = attributeType;
|
||||
this.displayName = displayName;
|
||||
}
|
||||
|
||||
// Get pairs of (object ID, set name) for all files in the list of files that have
|
||||
// the given artifact type.
|
||||
return "blackboard_artifacts.obj_id AS object_id, blackboard_attributes.value_text AS set_name "
|
||||
+ "FROM blackboard_artifacts "
|
||||
+ "INNER JOIN blackboard_attributes ON blackboard_artifacts.artifact_id=blackboard_attributes.artifact_id "
|
||||
+ "WHERE blackboard_attributes.artifact_type_id=\'" + artifactTypeID + "\' "
|
||||
+ "AND blackboard_attributes.attribute_type_id=\'" + setNameAttrID + "\' "
|
||||
+ "AND blackboard_artifacts.obj_id IN (" + objIdList + ") "; // NON-NLS
|
||||
}
|
||||
@Override
|
||||
public String toString() {
|
||||
return displayName;
|
||||
}
|
||||
|
||||
private FileSearch() {
|
||||
// Class should not be instantiated
|
||||
AttributeType getAttributeType() {
|
||||
return attributeType;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user