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233 lines
11 KiB
Python
233 lines
11 KiB
Python
"""
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Autopsy Forensic Browser
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Copyright 2019-2020 Basis Technology Corp.
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Contact: carrier <at> sleuthkit <dot> org
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import os
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import jarray
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import inspect
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import time
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import calendar
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from datetime import datetime
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from java.lang import System
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from java.util.logging import Level
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from java.io import File
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from java.util import ArrayList
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from org.sleuthkit.datamodel import SleuthkitCase
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from org.sleuthkit.datamodel import AbstractFile
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from org.sleuthkit.datamodel import ReadContentInputStream
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from org.sleuthkit.datamodel import Blackboard
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from org.sleuthkit.datamodel import BlackboardArtifact
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from org.sleuthkit.datamodel import BlackboardAttribute
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from org.sleuthkit.datamodel import TskCoreException
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from org.sleuthkit.datamodel.blackboardutils import GeoArtifactsHelper
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from org.sleuthkit.datamodel.blackboardutils.attributes import GeoWaypoints
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from org.sleuthkit.datamodel.blackboardutils.attributes.GeoWaypoints import Waypoint
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from org.sleuthkit.datamodel.blackboardutils.attributes import GeoTrackPoints
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from org.sleuthkit.datamodel.blackboardutils.attributes.GeoTrackPoints import TrackPoint
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from org.sleuthkit.autopsy.datamodel import ContentUtils
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from org.sleuthkit.autopsy.ingest import IngestModule
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from org.sleuthkit.autopsy.ingest.IngestModule import IngestModuleException
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from org.sleuthkit.autopsy.ingest import DataSourceIngestModule
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from org.sleuthkit.autopsy.ingest import FileIngestModule
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from org.sleuthkit.autopsy.ingest import IngestModuleFactoryAdapter
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from org.sleuthkit.autopsy.ingest import IngestMessage
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from org.sleuthkit.autopsy.ingest import IngestServices
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from org.sleuthkit.autopsy.coreutils import Logger
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from org.sleuthkit.autopsy.casemodule import Case
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from org.sleuthkit.autopsy.casemodule.services import Services
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from org.sleuthkit.autopsy.casemodule.services import FileManager
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from org.sleuthkit.autopsy.ingest import ModuleDataEvent
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# Based on gpxpy module: https://github.com/tkrajina/gpxpy
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import gpxpy
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import gpxpy.gpx
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import gpxpy.parser
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# Factory that defines the name and details of the module and allows Autopsy
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# to create instances of the modules that will do the analysis.
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class GPXParserDataSourceIngestModuleFactory(IngestModuleFactoryAdapter):
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moduleName = "GPX Parser"
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def getModuleDisplayName(self):
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return self.moduleName
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def getModuleDescription(self):
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return "Module that extracts GEO data from GPX files."
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def getModuleVersionNumber(self):
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return "1.2"
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def isDataSourceIngestModuleFactory(self):
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return True
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def createDataSourceIngestModule(self, ingestOptions):
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return GPXParserDataSourceIngestModule()
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# Data Source-level ingest module. One gets created per data source.
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class GPXParserDataSourceIngestModule(DataSourceIngestModule):
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logger = Logger.getLogger(GPXParserDataSourceIngestModuleFactory.moduleName)
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writeDebugMsgs = False
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def log(self, level, msg):
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self.logger.logp(level, self.__class__.__name__, inspect.stack()[1][3], msg)
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def __init__(self):
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self.context = None
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# Where any setup and configuration is done.
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def startUp(self, context):
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self.context = context
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# Where the analysis is done.
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def process(self, dataSource, progressBar):
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# We don't know how much work there is yet.
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progressBar.switchToIndeterminate()
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# Get the case database and its blackboard.
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skCase = Case.getCurrentCase().getSleuthkitCase()
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blackboard = skCase.getBlackboard()
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# Get any files with a .gpx extension.
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# It would perhaps be better to get these files by MIME type instead.
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# RC: It would also be better if this were a file level ingest module so it could process files extracted from archives.
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fileManager = Case.getCurrentCase().getServices().getFileManager()
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files = fileManager.findFiles(dataSource, "%.gpx")
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# Update the progress bar now that we know how much work there is to do.
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numFiles = len(files)
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if self.writeDebugMsgs: self.log(Level.INFO, "Found " + str(numFiles) + " GPX files")
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progressBar.switchToDeterminate(numFiles)
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# Get the module name, it will be needed for adding attributes
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moduleName = GPXParserDataSourceIngestModuleFactory.moduleName
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# Check if a folder for this module is present in the case Temp directory.
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# If not, create it.
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dirName = os.path.join(Case.getCurrentCase().getTempDirectory(), "GPX_Parser_Module")
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try:
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os.stat(dirName)
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except:
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os.mkdir(dirName)
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# Create a temp file name. It appears that we cannot close and delete
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# this file, but we can overwrite it for each file we need to process.
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fileName = os.path.join(dirName, "tmp.gpx")
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fileCount = 0;
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for file in files:
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# Create a GeoArtifactsHelper for this file.
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geoArtifactHelper = GeoArtifactsHelper(skCase, moduleName, None, file)
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# Check if the user pressed cancel while we were busy.
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if self.context.isJobCancelled():
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return IngestModule.ProcessResult.OK
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if self.writeDebugMsgs: self.log(Level.INFO, "Processing " + file.getUniquePath() + " (objID = " + str(file.getId()) + ")")
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fileCount += 1
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# Write the file so that it can be parsed by gpxpy.
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localFile = File(fileName)
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ContentUtils.writeToFile(file, localFile)
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# Send the file to gpxpy for parsing.
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gpxfile = open(fileName)
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try:
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gpx = gpxpy.parse(gpxfile)
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if self.writeDebugMsgs: self.log(Level.INFO, "Parsed " + file.getUniquePath() + " (objID = " + str(file.getId()) + ")")
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except Exception as e:
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self.log(Level.WARNING, "Error parsing file " + file.getUniquePath() + " (objID = " + str(file.getId()) + "):" + str(e))
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continue
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if gpx:
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if self.writeDebugMsgs: self.log(Level.INFO, "Processing tracks from " + file.getUniquePath() + " (objID = " + str(file.getId()) + ")")
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for track in gpx.tracks:
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for segment in track.segments:
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geoPointList = GeoTrackPoints()
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for point in segment.points:
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elevation = 0
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if point.elevation != None:
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elevation = point.elevation
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timeStamp = 0
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try:
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if (point.time != None):
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timeStamp = long(time.mktime(point.time.timetuple()))
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except Exception as e:
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self.log(Level.WARNING, "Error getting track timestamp from " + file.getUniquePath() + " (objID = " + str(file.getId()) + "):" + str(e))
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geoPointList.addPoint(TrackPoint(point.latitude, point.longitude, elevation, None, 0, 0, 0, timeStamp))
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try:
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geoArtifactHelper.addTrack("Track", geoPointList, None)
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except Blackboard.BlackboardException as e:
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self.log(Level.SEVERE, "Error posting GPS track artifact for " + file.getUniquePath() + " (objID = " + str(file.getId()) + "):" + e.getMessage())
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except TskCoreException as e:
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self.log(Level.SEVERE, "Error creating GPS track artifact for " + file.getUniquePath() + " (objID = " + str(file.getId()) + "):" + e.getMessage())
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if self.writeDebugMsgs: self.log(Level.INFO, "Processing waypoints from " + file.getUniquePath() + " (objID = " + str(file.getId()) + ")")
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for waypoint in gpx.waypoints:
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try:
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art = file.newArtifact(BlackboardArtifact.ARTIFACT_TYPE.TSK_GPS_BOOKMARK)
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attributes = ArrayList()
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attributes.add(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_GEO_LATITUDE.getTypeID(), moduleName, waypoint.latitude))
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attributes.add(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_GEO_LONGITUDE.getTypeID(), moduleName, waypoint.longitude))
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attributes.add(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_FLAG.getTypeID(), moduleName, "Waypoint"))
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attributes.add(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_NAME.getTypeID(), moduleName, waypoint.name))
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attributes.add(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_PROG_NAME.getTypeID(), moduleName, "GPXParser"))
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art.addAttributes(attributes)
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blackboard.postArtifact(art, moduleName)
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except Blackboard.BlackboardException as e:
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self.log(Level.SEVERE, "Error posting GPS bookmark artifact for " + file.getUniquePath() + " (objID = " + str(file.getId()) + "):" + e.getMessage())
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except TskCoreException as e:
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self.log(Level.SEVERE, "Error creating GPS bookmark artifact for " + file.getUniquePath() + " (objID = " + str(file.getId()) + "):" + e.getMessage())
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if self.writeDebugMsgs: self.log(Level.INFO, "Processing routes from " + file.getUniquePath() + " (objID = " + str(file.getId()) + ")")
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for route in gpx.routes:
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geoWaypoints = GeoWaypoints()
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for point in route.points:
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geoWaypointList.addPoint(Waypoint(point.latitude, point.longitude, point.elevation, point.name))
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try:
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geoArtifactHelper.addRoute(None, None, geoWaypointList, None)
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except Blackboard.BlackboardException as e:
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self.log("Error posting GPS route artifact for " + file.getUniquePath() + " (objID = " + str(file.getId()) + "):" + e.getMessage())
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except TskCoreException as e:
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self.log(Level.SEVERE, "Error creating GPS route artifact for " + file.getUniquePath() + " (objID = " + str(file.getId()) + "):" + e.getMessage())
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# Update the progress bar.
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progressBar.progress(fileCount)
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# Post a message to the ingest messages inbox.
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message = IngestMessage.createMessage(IngestMessage.MessageType.DATA, moduleName, "Processed %d files" % fileCount)
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IngestServices.getInstance().postMessage(message)
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return IngestModule.ProcessResult.OK;
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