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update for metadata

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Greg DiCristofaro 2025-01-22 11:03:54 -05:00
parent 3ff5a527b3
commit 005476f19c
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1 changed files with 26 additions and 11 deletions
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37
KeywordSearch/src/org/sleuthkit/autopsy/keywordsearch/KeywordSearchIngestModule.java
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@ -145,6 +145,11 @@ public final class KeywordSearchIngestModule implements FileIngestModule {
"application/x-z", //NON-NLS
"application/x-compress"); //NON-NLS
/**
* A mapping of the Tika metadata key to the corresponding attribute type
* and the priority of that key versus other related keys (lower integer
* value is higher priority).
*/
private static final Map<String, Pair<BlackboardAttribute.ATTRIBUTE_TYPE, Integer>> METADATA_TYPES_MAP = Stream.of(
Pair.of(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_DATETIME_MODIFIED, List.of(
"Last-Save-Date",
@ -686,24 +691,34 @@ public final class KeywordSearchIngestModule implements FileIngestModule {
Collection<BlackboardArtifact> bbartifacts = new ArrayList<>();
/**
* Get best matched metadata for each attribute type found in metadata map.
* This map will map the attribute type to a pair of the priority (lower
* number value is higher priority), and the string value for the
* attribute.
*
* Get best matched metadata for each attribute type found in metadata
* map by bumping out lower priority.
*/
Map<BlackboardAttribute.ATTRIBUTE_TYPE, Pair<Integer, String>> intermediateMapping = new HashMap<>();
for (Map.Entry<String, String> entry : metadata.entrySet()) {
Pair<BlackboardAttribute.ATTRIBUTE_TYPE, Integer> attrPair = METADATA_TYPES_MAP.get(entry.getKey());
if (attrPair != null) {
intermediateMapping.compute(attrPair.getKey(), (k, v) -> {
if (v == null || v.getKey() > attrPair.getValue()) {
return Pair.of(attrPair.getValue(), entry.getValue());
} else {
return v;
}
});
if (entry.getValue() != null) {
Pair<BlackboardAttribute.ATTRIBUTE_TYPE, Integer> attrPair = METADATA_TYPES_MAP.get(entry.getKey());
if (attrPair != null && attrPair.getKey() != null && attrPair.getValue() != null) {
intermediateMapping.compute(attrPair.getKey(), (k, v) -> {
if (v == null || v.getKey() > attrPair.getValue()) {
return Pair.of(attrPair.getValue(), entry.getValue());
} else {
return v;
}
});
}
}
}
for (Entry<BlackboardAttribute.ATTRIBUTE_TYPE, Pair<Integer, String>> interEntry: intermediateMapping.entrySet()) {
attributes.add(checkAttribute(interEntry.getKey(), interEntry.getValue().getValue()));
BlackboardAttribute attribute = checkAttribute(interEntry.getKey(), interEntry.getValue().getValue());
if (attribute != null) {
attributes.add(attribute);
}
}
if (!attributes.isEmpty()) {