mirror of
https://github.com/overcuriousity/autopsy-flatpak.git
synced 2025-07-15 01:07:42 +00:00
2094 fixed support for path, mime, and size conditions
This commit is contained in:
William Schaefer
parent
d675e27fcf
commit
bdbe1c3275
@ -39,6 +39,11 @@ import org.openide.util.io.NbObjectOutputStream;
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import org.sleuthkit.autopsy.coreutils.Logger;
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import org.sleuthkit.autopsy.coreutils.PlatformUtil;
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import org.sleuthkit.autopsy.coreutils.XMLUtil;
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import org.sleuthkit.autopsy.modules.interestingitems.FilesSet.Rule.FileNameCondition;
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import org.sleuthkit.autopsy.modules.interestingitems.FilesSet.Rule.FileSizeCondition;
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import org.sleuthkit.autopsy.modules.interestingitems.FilesSet.Rule.MetaTypeCondition;
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import org.sleuthkit.autopsy.modules.interestingitems.FilesSet.Rule.MimeTypeCondition;
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import org.sleuthkit.autopsy.modules.interestingitems.FilesSet.Rule.ParentPathCondition;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import org.w3c.dom.NodeList;
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@ -57,6 +62,7 @@ class InterestingItemsFilesSetSettings implements Serializable {
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private static final String RULE_UUID_ATTR = "ruleUUID"; //NON-NLS
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private static final String IGNORE_KNOWN_FILES_ATTR = "ignoreKnown"; //NON-NLS
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private static final String PATH_REGEX_ATTR = "pathRegex"; //NON-NLS
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private static final String TYPE_FILTER_VALUE_ALL = "all";
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private static final String TYPE_FILTER_VALUE_FILES_AND_DIRS = "files_and_dirs"; //NON-NLS
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private static final String IGNORE_UNALLOCATED_SPACE = "ingoreUnallocated"; //NON-NLS
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private static final String PATH_FILTER_ATTR = "pathFilter"; //NON-NLS
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@ -67,6 +73,10 @@ class InterestingItemsFilesSetSettings implements Serializable {
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private static final String NAME_RULE_TAG = "NAME"; //NON-NLS
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private static final String UNNAMED_LEGACY_RULE_PREFIX = "Unnamed Rule "; // NON-NLS
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private static final String NAME_ATTR = "name"; //NON-NLS
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private static final String MIME_ATTR = "mimeType";
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private static final String FS_COMPARATOR_ATTR = "comparatorSymbol";
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private static final String FS_SIZE_ATTR = "sizeValue";
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private static final String FS_UNITS_ATTR = "sizeUnits";
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private static final String TYPE_FILTER_VALUE_FILES = "file"; //NON-NLS
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private static final String XML_ENCODING = "UTF-8"; //NON-NLS
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private static final Logger logger = Logger.getLogger(InterestingItemsFilesSetSettings.class.getName());
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@ -135,20 +145,28 @@ class InterestingItemsFilesSetSettings implements Serializable {
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* @return The path condition, or null if there is an error (logged).
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*/
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private static FilesSet.Rule.ParentPathCondition readPathCondition(Element ruleElement) {
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FilesSet.Rule.ParentPathCondition condition = null;
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String path = ruleElement.getAttribute(InterestingItemsFilesSetSettings.PATH_FILTER_ATTR);
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String pathRegex = ruleElement.getAttribute(InterestingItemsFilesSetSettings.PATH_REGEX_ATTR);
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if (!pathRegex.isEmpty() && path.isEmpty()) {
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try {
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Pattern pattern = Pattern.compile(pathRegex);
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condition = new FilesSet.Rule.ParentPathCondition(pattern);
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} catch (PatternSyntaxException ex) {
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logger.log(Level.SEVERE, "Error compiling " + InterestingItemsFilesSetSettings.PATH_REGEX_ATTR + " regex, ignoring malformed path condition definition", ex); // NON-NLS
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// Read in the optional path condition. Null is o.k., but if the attribute
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// is there, be sure it is not malformed.
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ParentPathCondition pathCondition = null;
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if (!ruleElement.getAttribute(PATH_FILTER_ATTR).isEmpty() || !ruleElement.getAttribute(PATH_REGEX_ATTR).isEmpty()) {
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String path = ruleElement.getAttribute(InterestingItemsFilesSetSettings.PATH_FILTER_ATTR);
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String pathRegex = ruleElement.getAttribute(InterestingItemsFilesSetSettings.PATH_REGEX_ATTR);
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if (!pathRegex.isEmpty() && path.isEmpty()) {
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try {
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Pattern pattern = Pattern.compile(pathRegex);
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pathCondition = new FilesSet.Rule.ParentPathCondition(pattern);
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} catch (PatternSyntaxException ex) {
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logger.log(Level.SEVERE, "Error compiling " + InterestingItemsFilesSetSettings.PATH_REGEX_ATTR + " regex, ignoring malformed path condition definition", ex); // NON-NLS
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}
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} else if (!path.isEmpty() && pathRegex.isEmpty()) {
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pathCondition = new FilesSet.Rule.ParentPathCondition(path);
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}
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if (pathCondition == null) {
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// Malformed attribute.
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return null;
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}
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} else if (!path.isEmpty() && pathRegex.isEmpty()) {
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condition = new FilesSet.Rule.ParentPathCondition(path);
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}
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return condition;
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return pathCondition;
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}
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/**
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@ -167,117 +185,74 @@ class InterestingItemsFilesSetSettings implements Serializable {
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}
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}
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/**
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* Construct a FilesSet file name extension rule from the data in an XML
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* element.
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*
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* @param elem The file name extension rule XML element.
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*
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* @return A file name extension rule, or null if there is an error (the
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* error is logged).
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*/
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private static FilesSet.Rule readFileExtensionRule(Element elem) {
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private static FilesSet.Rule readRule(Element elem) {
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String ruleName = InterestingItemsFilesSetSettings.readRuleName(elem);
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// The content of the rule tag is a file name extension condition. It may
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// be a regex, or it may be from a TSK Framework rule definition
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// with a "*" globbing char.
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String content = elem.getTextContent();
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FilesSet.Rule.ExtensionCondition extCondition;
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String regex = elem.getAttribute(InterestingItemsFilesSetSettings.REGEX_ATTR);
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if ((!regex.isEmpty() && regex.equalsIgnoreCase("true")) || content.contains("*")) {
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// NON-NLS
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Pattern pattern = compileRegex(content);
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if (pattern != null) {
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extCondition = new FilesSet.Rule.ExtensionCondition(pattern);
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} else {
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logger.log(Level.SEVERE, "Error compiling " + InterestingItemsFilesSetSettings.EXTENSION_RULE_TAG + " regex, ignoring malformed {0} rule definition", ruleName); // NON-NLS
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return null;
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}
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} else {
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for (String illegalChar : illegalFileNameChars) {
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if (content.contains(illegalChar)) {
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logger.log(Level.SEVERE, "{0} content has illegal chars, ignoring malformed {1} rule definition", ruleName); // NON-NLS
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return null;
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}
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}
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extCondition = new FilesSet.Rule.ExtensionCondition(content);
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FileNameCondition nameCondition = readNameCondition(elem);
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MetaTypeCondition metaCondition = readMetaTypeCondition(elem);
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ParentPathCondition pathCondition = readPathCondition(elem);
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MimeTypeCondition mimeCondition = readMimeCondition(elem);
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FileSizeCondition sizeCondition = readSizeCondition(elem);
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//if meta type condition or all four types of conditions the user can create are all null then don't make the rule
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if (metaCondition == null || (nameCondition == null && pathCondition == null && mimeCondition == null && sizeCondition == null)) {
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//WJS-TODOD throw an error
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System.out.println("THIS IS WHEN A RULE SHOULDN'T BE CREATED");
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}
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// The rule must have a meta-type condition, unless a TSK Framework
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// definitions file is being read.
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FilesSet.Rule.MetaTypeCondition metaTypeCondition = null;
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if (!elem.getAttribute(InterestingItemsFilesSetSettings.TYPE_FILTER_ATTR).isEmpty()) {
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metaTypeCondition = InterestingItemsFilesSetSettings.readMetaTypeCondition(elem);
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if (metaTypeCondition == null) {
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// Malformed attribute.
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return null;
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}
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} else {
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metaTypeCondition = new FilesSet.Rule.MetaTypeCondition(FilesSet.Rule.MetaTypeCondition.Type.FILES);
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}
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// The rule may have a path condition. Null is o.k., but if the attribute
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// is there, it must not be malformed.
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FilesSet.Rule.ParentPathCondition pathCondition = null;
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if (!elem.getAttribute(InterestingItemsFilesSetSettings.PATH_FILTER_ATTR).isEmpty() || !elem.getAttribute(InterestingItemsFilesSetSettings.PATH_REGEX_ATTR).isEmpty()) {
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pathCondition = InterestingItemsFilesSetSettings.readPathCondition(elem);
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if (pathCondition == null) {
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// Malformed attribute.
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return null;
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}
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}
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return new FilesSet.Rule(ruleName, extCondition, metaTypeCondition, pathCondition, null, null);
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return new FilesSet.Rule(ruleName, nameCondition, metaCondition, pathCondition, mimeCondition, sizeCondition);
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}
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/**
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* Construct a FilesSet file name rule from the data in an XML element.
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*
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* @param elem The file name rule XML element.
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*
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* @return A file name rule, or null if there is an error (the error is
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* logged).
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*/
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private static FilesSet.Rule readFileNameRule(Element elem) {
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String ruleName = InterestingItemsFilesSetSettings.readRuleName(elem);
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// The content of the rule tag is a file name condition. It may be a
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// regex, or it may be from a TSK Framework rule definition with a
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// "*" globbing char, or it may be simple text.
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private static FileNameCondition readNameCondition(Element elem) {
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FileNameCondition nameCondition = null;
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String content = elem.getTextContent();
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FilesSet.Rule.FullNameCondition nameCondition;
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String regex = elem.getAttribute(InterestingItemsFilesSetSettings.REGEX_ATTR);
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if ((!regex.isEmpty() && regex.equalsIgnoreCase("true")) || content.contains("*")) {
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// NON-NLS
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Pattern pattern = compileRegex(content);
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if (pattern != null) {
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nameCondition = new FilesSet.Rule.FullNameCondition(pattern);
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} else {
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logger.log(Level.SEVERE, "Error compiling " + InterestingItemsFilesSetSettings.NAME_RULE_TAG + " regex, ignoring malformed '{0}' rule definition", ruleName); // NON-NLS
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return null;
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}
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} else {
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for (String illegalChar : illegalFileNameChars) {
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if (content.contains(illegalChar)) {
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logger.log(Level.SEVERE, InterestingItemsFilesSetSettings.NAME_RULE_TAG + " content has illegal chars, ignoring malformed '{0}' rule definition", new Object[]{InterestingItemsFilesSetSettings.NAME_RULE_TAG, ruleName}); // NON-NLS
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String regex = elem.getAttribute(REGEX_ATTR);
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if (content != null && !content.isEmpty()) { //if there isn't content this is not a valid name condition
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if ((!regex.isEmpty() && regex.equalsIgnoreCase("true")) || content.contains("*")) { // NON-NLS
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Pattern pattern = compileRegex(content);
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if (pattern != null) {
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if (elem.getTagName().equals(NAME_RULE_TAG)) {
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nameCondition = new FilesSet.Rule.FullNameCondition(pattern);
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} else if (elem.getTagName().equals(EXTENSION_RULE_TAG)) {
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nameCondition = new FilesSet.Rule.ExtensionCondition(pattern);
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} else {
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return null;
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}
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} else {
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logger.log(Level.SEVERE, "Error compiling " + elem.getTagName() + " regex, ignoring malformed '{0}' rule definition", readRuleName(elem)); // NON-NLS
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return null;
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}
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}
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nameCondition = new FilesSet.Rule.FullNameCondition(content);
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}
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// Read in the type condition.
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FilesSet.Rule.MetaTypeCondition metaTypeCondition = InterestingItemsFilesSetSettings.readMetaTypeCondition(elem);
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if (metaTypeCondition == null) {
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// Malformed attribute.
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return null;
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}
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// Read in the optional path condition. Null is o.k., but if the attribute
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// is there, be sure it is not malformed.
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FilesSet.Rule.ParentPathCondition pathCondition = null;
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if (!elem.getAttribute(InterestingItemsFilesSetSettings.PATH_FILTER_ATTR).isEmpty() || !elem.getAttribute(InterestingItemsFilesSetSettings.PATH_REGEX_ATTR).isEmpty()) {
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pathCondition = InterestingItemsFilesSetSettings.readPathCondition(elem);
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if (pathCondition == null) {
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// Malformed attribute.
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return null;
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} else {
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for (String illegalChar : illegalFileNameChars) {
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if (content.contains(illegalChar)) {
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logger.log(Level.SEVERE, elem.getTagName() + " content has illegal chars, ignoring malformed '{0}' rule definition", new Object[]{elem.getTagName(), readRuleName(elem)}); // NON-NLS
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return null;
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}
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}
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if (elem.getTagName().equals(NAME_RULE_TAG)) {
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nameCondition = new FilesSet.Rule.FullNameCondition(content);
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} else if (elem.getTagName().equals(EXTENSION_RULE_TAG)) {
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nameCondition = new FilesSet.Rule.ExtensionCondition(content);
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}
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}
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}
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return new FilesSet.Rule(ruleName, nameCondition, metaTypeCondition, pathCondition, null, null);
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return nameCondition;
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}
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private static MimeTypeCondition readMimeCondition(Element elem) {
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MimeTypeCondition mimeCondition = null;
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if (!elem.getAttribute(MIME_ATTR).isEmpty()) {
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mimeCondition = new MimeTypeCondition(elem.getAttribute(MIME_ATTR));
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}
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return mimeCondition;
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}
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private static FileSizeCondition readSizeCondition(Element elem) {
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FileSizeCondition sizeCondition = null;
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if (!elem.getAttribute(FS_COMPARATOR_ATTR).isEmpty() && !elem.getAttribute(FS_SIZE_ATTR).isEmpty() && !elem.getAttribute(FS_UNITS_ATTR).isEmpty()) {
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FileSizeCondition.COMPARATOR comparator = FileSizeCondition.COMPARATOR.fromSymbol(elem.getAttribute(FS_COMPARATOR_ATTR));
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FileSizeCondition.SIZE_UNIT sizeUnit = FileSizeCondition.SIZE_UNIT.fromName(elem.getAttribute(FS_UNITS_ATTR));
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int size = Integer.parseInt(elem.getAttribute(FS_SIZE_ATTR));
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sizeCondition = new FileSizeCondition(comparator, sizeUnit, size);
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}
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return sizeCondition;
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}
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/**
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@ -314,52 +289,40 @@ class InterestingItemsFilesSetSettings implements Serializable {
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if (!ignoreUnallocated.isEmpty()) {
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ignoreUnallocatedSpace = Boolean.parseBoolean(ignoreUnallocated);
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}
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// Read file name set membership rules, if any.
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// Read the set membership rules, if any.
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InterestingItemsFilesSetSettings.unnamedLegacyRuleCounter = 1;
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Map<String, FilesSet.Rule> rules = new HashMap<>();
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NodeList nameRuleElems = setElem.getElementsByTagName(InterestingItemsFilesSetSettings.NAME_RULE_TAG);
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for (int j = 0; j < nameRuleElems.getLength(); ++j) {
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Element elem = (Element) nameRuleElems.item(j);
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FilesSet.Rule rule = InterestingItemsFilesSetSettings.readFileNameRule(elem);
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if (rule != null) {
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if (!rules.containsKey(rule.getUuid())) {
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rules.put(rule.getUuid(), rule);
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NodeList allRuleElems = setElem.getChildNodes();
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for (int j = 0; j < allRuleElems.getLength(); ++j) {
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if (allRuleElems.item(j) instanceof Element) { //not all the children are elements
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Element elem = (Element) allRuleElems.item(j);
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FilesSet.Rule rule = readRule(elem);
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if (rule != null) {
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if (!rules.containsKey(rule.getUuid())) {
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rules.put(rule.getUuid(), rule);
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} else {
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logger.log(Level.SEVERE, "Found duplicate rule {0} for set named {1} in FilesSet definition file at {2}, discarding malformed set", new Object[]{rule.getUuid(), setName, filePath}); // NON-NLS
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return;
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}
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} else {
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logger.log(Level.SEVERE, "Found duplicate rule {0} for set named {1} in FilesSet definition file at {2}, discarding malformed set", new Object[]{rule.getUuid(), setName, filePath}); // NON-NLS
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logger.log(Level.SEVERE, "Found malformed rule for set named {0} in FilesSet definition file at {1}, discarding malformed set", new Object[]{setName, filePath}); // NON-NLS
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return;
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}
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} else {
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logger.log(Level.SEVERE, "Found malformed rule for set named {0} in FilesSet definition file at {1}, discarding malformed set", new Object[]{setName, filePath}); // NON-NLS
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return;
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}
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}
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// Read file extension set membership rules, if any.
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NodeList extRuleElems = setElem.getElementsByTagName(InterestingItemsFilesSetSettings.EXTENSION_RULE_TAG);
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for (int j = 0; j < extRuleElems.getLength(); ++j) {
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Element elem = (Element) extRuleElems.item(j);
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FilesSet.Rule rule = InterestingItemsFilesSetSettings.readFileExtensionRule(elem);
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if (rule != null) {
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if (!rules.containsKey(rule.getUuid())) {
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rules.put(rule.getUuid(), rule);
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} else {
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logger.log(Level.SEVERE, "Found duplicate rule {0} for set named {1} in FilesSet definition file at {2}, discarding malformed set", new Object[]{rule.getUuid(), setName, filePath}); //NOI18N NON-NLS
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return;
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}
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} else {
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logger.log(Level.SEVERE, "Found malformed rule for set named {0} in FilesSet definition file at {1}, discarding malformed set", new Object[]{setName, filePath}); //NOI18N NON-NLS
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return;
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System.out.println("NOT AN ELEMENT: " + allRuleElems.item(j).getNodeName() + " To String:" + allRuleElems.item(j).toString());
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}
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}
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// Make the files set. Note that degenerate sets with no rules are
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// allowed to facilitate the separation of set definition and rule
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// definitions. A set without rules is simply the empty set.
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FilesSet set = new FilesSet(setName, description, ignoreKnownFiles, ignoreUnallocatedSpace, rules);
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filesSets.put(set.getName(), set);
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}
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// Note: This method takes a file path to support the possibility of
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// multiple intersting files set definition files, e.g., one for
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// definitions that ship with Autopsy and one for user definitions.
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/**
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* Reads FilesSet definitions from Serialized file or XML file.
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*
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@ -403,6 +366,7 @@ class InterestingItemsFilesSetSettings implements Serializable {
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if (!xmlFile.canRead()) {
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logger.log(Level.SEVERE, "FilesSet definition file at {0} exists, but cannot be read", xmlFile.getPath()); // NON-NLS
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return filesSets;
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}
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// Parse the XML in the file.
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Document doc = XMLUtil.loadDoc(InterestingItemsFilesSetSettings.class, xmlFile.getPath());
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@ -443,82 +407,99 @@ class InterestingItemsFilesSetSettings implements Serializable {
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return true;
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}
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static boolean exportXmlDefinitionsFile(File xmlFile, Map<String, FilesSet> interestingFilesSets){
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DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
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try {
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// Create the new XML document.
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DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
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Document doc = docBuilder.newDocument();
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Element rootElement = doc.createElement(FILE_SETS_ROOT_TAG);
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doc.appendChild(rootElement);
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static boolean exportXmlDefinitionsFile(File xmlFile, Map<String, FilesSet> interestingFilesSets) {
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DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
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try {
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// Create the new XML document.
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DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
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Document doc = docBuilder.newDocument();
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Element rootElement = doc.createElement(FILE_SETS_ROOT_TAG);
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doc.appendChild(rootElement);
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// Add the interesting files sets to the document.
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for (FilesSet set : interestingFilesSets.values()) {
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// Add the files set element and its attributes.
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Element setElement = doc.createElement(FILE_SET_TAG);
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setElement.setAttribute(NAME_ATTR, set.getName());
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setElement.setAttribute(DESC_ATTR, set.getDescription());
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setElement.setAttribute(IGNORE_KNOWN_FILES_ATTR, Boolean.toString(set.ignoresKnownFiles()));
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// Add the interesting files sets to the document.
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for (FilesSet set : interestingFilesSets.values()) {
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// Add the files set element and its attributes.
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Element setElement = doc.createElement(FILE_SET_TAG);
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setElement.setAttribute(NAME_ATTR, set.getName());
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setElement.setAttribute(DESC_ATTR, set.getDescription());
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setElement.setAttribute(IGNORE_KNOWN_FILES_ATTR, Boolean.toString(set.ignoresKnownFiles()));
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// Add the child elements for the set membership rules.
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for (FilesSet.Rule rule : set.getRules().values()) {
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// Add a rule element with the appropriate name Condition
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// type tag.
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FilesSet.Rule.FileNameCondition nameCondition = rule.getFileNameCondition();
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Element ruleElement;
|
||||
if (nameCondition instanceof FilesSet.Rule.FullNameCondition) {
|
||||
ruleElement = doc.createElement(NAME_RULE_TAG);
|
||||
} else {
|
||||
ruleElement = doc.createElement(EXTENSION_RULE_TAG);
|
||||
}
|
||||
// Add the child elements for the set membership rules.
|
||||
for (FilesSet.Rule rule : set.getRules().values()) {
|
||||
// Add a rule element with the appropriate name Condition
|
||||
// type tag.
|
||||
Element ruleElement;
|
||||
|
||||
FileNameCondition nameCondition = rule.getFileNameCondition();
|
||||
//The element type is just being used as another attribute for
|
||||
//the name condition in legacy xmls.
|
||||
//For rules which don't contain a name condition it doesn't matter
|
||||
//what type of element it is
|
||||
if (nameCondition instanceof FilesSet.Rule.FullNameCondition) {
|
||||
ruleElement = doc.createElement(NAME_RULE_TAG);
|
||||
} else {
|
||||
ruleElement = doc.createElement(EXTENSION_RULE_TAG);
|
||||
}
|
||||
// Add the optional rule name attribute.
|
||||
ruleElement.setAttribute(NAME_ATTR, rule.getName());
|
||||
if (nameCondition != null) {
|
||||
|
||||
// Add the rule name attribute.
|
||||
ruleElement.setAttribute(NAME_ATTR, rule.getName());
|
||||
|
||||
// Add the name Condition regex attribute
|
||||
ruleElement.setAttribute(REGEX_ATTR, Boolean.toString(nameCondition.isRegex()));
|
||||
|
||||
// Add the type Condition attribute.
|
||||
FilesSet.Rule.MetaTypeCondition typeCondition = rule.getMetaTypeCondition();
|
||||
switch (typeCondition.getMetaType()) {
|
||||
case FILES:
|
||||
ruleElement.setAttribute(TYPE_FILTER_ATTR, TYPE_FILTER_VALUE_FILES);
|
||||
break;
|
||||
case DIRECTORIES:
|
||||
ruleElement.setAttribute(TYPE_FILTER_ATTR, TYPE_FILTER_VALUE_DIRS);
|
||||
break;
|
||||
default:
|
||||
ruleElement.setAttribute(TYPE_FILTER_ATTR, TYPE_FILTER_VALUE_FILES_AND_DIRS);
|
||||
break;
|
||||
}
|
||||
|
||||
// Add the optional path Condition.
|
||||
FilesSet.Rule.ParentPathCondition pathFilter = rule.getPathCondition();
|
||||
if (pathFilter != null) {
|
||||
if (pathFilter.isRegex()) {
|
||||
ruleElement.setAttribute(PATH_REGEX_ATTR, pathFilter.getTextToMatch());
|
||||
} else {
|
||||
ruleElement.setAttribute(PATH_FILTER_ATTR, pathFilter.getTextToMatch());
|
||||
}
|
||||
}
|
||||
// Add the name Condition text as the rule element content.
|
||||
ruleElement.setTextContent(nameCondition.getTextToMatch());
|
||||
|
||||
setElement.appendChild(ruleElement);
|
||||
}
|
||||
// Add the type Condition attribute.
|
||||
MetaTypeCondition typeCondition = rule.getMetaTypeCondition();
|
||||
switch (typeCondition.getMetaType()) {
|
||||
case FILES:
|
||||
ruleElement.setAttribute(TYPE_FILTER_ATTR, TYPE_FILTER_VALUE_FILES);
|
||||
break;
|
||||
case DIRECTORIES:
|
||||
ruleElement.setAttribute(TYPE_FILTER_ATTR, TYPE_FILTER_VALUE_DIRS);
|
||||
break;
|
||||
default:
|
||||
ruleElement.setAttribute(TYPE_FILTER_ATTR, TYPE_FILTER_VALUE_ALL);
|
||||
break;
|
||||
}
|
||||
// Add the optional path Condition.
|
||||
ParentPathCondition pathCondition = rule.getPathCondition();
|
||||
if (pathCondition != null) {
|
||||
if (pathCondition.isRegex()) {
|
||||
ruleElement.setAttribute(PATH_REGEX_ATTR, pathCondition.getTextToMatch());
|
||||
} else {
|
||||
ruleElement.setAttribute(PATH_FILTER_ATTR, pathCondition.getTextToMatch());
|
||||
}
|
||||
}
|
||||
//Add the optional MIME type condition
|
||||
MimeTypeCondition mimeCondition = rule.getMimeTypeCondition();
|
||||
if (mimeCondition != null) {
|
||||
ruleElement.setAttribute(MIME_ATTR, mimeCondition.getMimeType());
|
||||
}
|
||||
//Add the optional file size condition
|
||||
FileSizeCondition sizeCondition = rule.getFileSizeCondition();
|
||||
if (sizeCondition != null) {
|
||||
ruleElement.setAttribute(FS_COMPARATOR_ATTR, sizeCondition.getComparator().getSymbol());
|
||||
ruleElement.setAttribute(FS_SIZE_ATTR, Integer.toString(sizeCondition.getSizeValue()));
|
||||
ruleElement.setAttribute(FS_UNITS_ATTR, sizeCondition.getUnit().getName());
|
||||
}
|
||||
|
||||
rootElement.appendChild(setElement);
|
||||
setElement.appendChild(ruleElement);
|
||||
}
|
||||
// Overwrite the previous definitions file. Note that the utility
|
||||
// method logs an error on failure.
|
||||
return XMLUtil.saveDoc(InterestingItemsFilesSetSettings.class, xmlFile.getPath(), XML_ENCODING, doc);
|
||||
|
||||
} catch (ParserConfigurationException ex) {
|
||||
logger.log(Level.SEVERE, "Error writing interesting files definition file to " + xmlFile.getPath(), ex); // NON-NLS
|
||||
return false;
|
||||
rootElement.appendChild(setElement);
|
||||
|
||||
}
|
||||
// Overwrite the previous definitions file. Note that the utility
|
||||
// method logs an error on failure.
|
||||
return XMLUtil.saveDoc(InterestingItemsFilesSetSettings.class, xmlFile.getPath(), XML_ENCODING, doc);
|
||||
|
||||
} catch (ParserConfigurationException ex) {
|
||||
logger.log(Level.SEVERE, "Error writing interesting files definition file to " + xmlFile.getPath(), ex); // NON-NLS
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Construct a meta-type condition for a FilesSet membership rule from data
|
||||
* in an XML element.
|
||||
@ -528,28 +509,40 @@ class InterestingItemsFilesSetSettings implements Serializable {
|
||||
* @return The meta-type condition, or null if there is an error (logged).
|
||||
*/
|
||||
private static FilesSet.Rule.MetaTypeCondition readMetaTypeCondition(Element ruleElement) {
|
||||
FilesSet.Rule.MetaTypeCondition condition = null;
|
||||
String conditionAttribute = ruleElement.getAttribute(InterestingItemsFilesSetSettings.TYPE_FILTER_ATTR);
|
||||
if (!conditionAttribute.isEmpty()) {
|
||||
switch (conditionAttribute) {
|
||||
case InterestingItemsFilesSetSettings.TYPE_FILTER_VALUE_FILES:
|
||||
condition = new FilesSet.Rule.MetaTypeCondition(FilesSet.Rule.MetaTypeCondition.Type.FILES);
|
||||
break;
|
||||
case InterestingItemsFilesSetSettings.TYPE_FILTER_VALUE_DIRS:
|
||||
condition = new FilesSet.Rule.MetaTypeCondition(FilesSet.Rule.MetaTypeCondition.Type.DIRECTORIES);
|
||||
break;
|
||||
case InterestingItemsFilesSetSettings.TYPE_FILTER_VALUE_FILES_AND_DIRS:
|
||||
condition = new FilesSet.Rule.MetaTypeCondition(FilesSet.Rule.MetaTypeCondition.Type.FILES_AND_DIRECTORIES);
|
||||
break;
|
||||
default:
|
||||
logger.log(Level.SEVERE, "Found {0} " + InterestingItemsFilesSetSettings.TYPE_FILTER_ATTR + " attribute with unrecognized value ''{0}'', ignoring malformed rule definition", conditionAttribute); // NON-NLS
|
||||
break;
|
||||
FilesSet.Rule.MetaTypeCondition metaCondition = null;
|
||||
// The rule must have a meta-type condition, unless a TSK Framework
|
||||
// definitions file is being read.
|
||||
if (!ruleElement.getAttribute(TYPE_FILTER_ATTR).isEmpty()) {
|
||||
String conditionAttribute = ruleElement.getAttribute(InterestingItemsFilesSetSettings.TYPE_FILTER_ATTR);
|
||||
if (!conditionAttribute.isEmpty()) {
|
||||
switch (conditionAttribute) {
|
||||
case TYPE_FILTER_VALUE_FILES:
|
||||
metaCondition = new FilesSet.Rule.MetaTypeCondition(FilesSet.Rule.MetaTypeCondition.Type.FILES);
|
||||
break;
|
||||
case TYPE_FILTER_VALUE_DIRS:
|
||||
metaCondition = new FilesSet.Rule.MetaTypeCondition(FilesSet.Rule.MetaTypeCondition.Type.DIRECTORIES);
|
||||
break;
|
||||
case TYPE_FILTER_VALUE_ALL:
|
||||
case TYPE_FILTER_VALUE_FILES_AND_DIRS: //converts legacy xmls to current metaCondition terms
|
||||
metaCondition = new FilesSet.Rule.MetaTypeCondition(FilesSet.Rule.MetaTypeCondition.Type.ALL);
|
||||
break;
|
||||
|
||||
default:
|
||||
logger.log(Level.SEVERE, "Found {0} " + InterestingItemsFilesSetSettings.TYPE_FILTER_ATTR + " attribute with unrecognized value ''{0}'', ignoring malformed rule definition", conditionAttribute); // NON-NLS
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
// Accept TSK Framework FilesSet definitions,
|
||||
// default to files.
|
||||
metaCondition = new FilesSet.Rule.MetaTypeCondition(FilesSet.Rule.MetaTypeCondition.Type.FILES);
|
||||
}
|
||||
if (metaCondition == null) {
|
||||
// Malformed attribute.
|
||||
return null;
|
||||
}
|
||||
} else {
|
||||
// Accept TSK Framework FilesSet definitions,
|
||||
// default to files.
|
||||
condition = new FilesSet.Rule.MetaTypeCondition(FilesSet.Rule.MetaTypeCondition.Type.FILES);
|
||||
metaCondition = new MetaTypeCondition(MetaTypeCondition.Type.FILES);
|
||||
}
|
||||
return condition;
|
||||
return metaCondition;
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user