mirror of https://gitlab.com/bashrc2/epicyon
Nogo areas for spoofed locations, to avoid rivers or sea
parent
4899fdea28
commit
69f9938846
132
city.py
132
city.py
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@ -126,10 +126,45 @@ def _getCityPulse(currTimeOfDay, decoySeed: int) -> (float, float):
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return distanceFromCityCenter, angleRadians
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def parseNogoString(nogoLine: str) -> []:
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"""Parses a line from locations_nogo.txt and returns the polygon
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"""
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polygonStr = nogoLine.split(':', 1)[1]
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if ';' in polygonStr:
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pts = polygonStr.split(';')
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else:
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pts = polygonStr.split(',')
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if len(pts) <= 4:
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return []
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polygon = []
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for index in range(int(len(pts)/2)):
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if index*2 + 1 >= len(pts):
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break
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longitudeStr = pts[index*2].strip()
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latitudeStr = pts[index*2 + 1].strip()
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if 'E' in latitudeStr or 'W' in latitudeStr:
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longitudeStr = pts[index*2 + 1].strip()
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latitudeStr = pts[index*2].strip()
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if 'E' in longitudeStr:
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longitudeStr = \
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longitudeStr.replace('E', '')
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longitude = float(longitudeStr)
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elif 'W' in longitudeStr:
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longitudeStr = \
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longitudeStr.replace('W', '')
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longitude = -float(longitudeStr)
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else:
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longitude = float(longitudeStr)
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latitude = float(latitudeStr)
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polygon.append([latitude, longitude])
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return polygon
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def spoofGeolocation(baseDir: str,
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city: str, currTime, decoySeed: int,
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citiesList: []) -> (float, float, str, str,
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str, str, int):
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citiesList: [],
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nogoList: []) -> (float, float, str, str,
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str, str, int):
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"""Given a city and the current time spoofs the location
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for an image
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returns latitude, longitude, N/S, E/W,
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@ -138,6 +173,11 @@ def spoofGeolocation(baseDir: str,
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locationsFilename = baseDir + '/custom_locations.txt'
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if not os.path.isfile(locationsFilename):
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locationsFilename = baseDir + '/locations.txt'
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nogoFilename = baseDir + '/custom_locations_nogo.txt'
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if not os.path.isfile(nogoFilename):
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nogoFilename = baseDir + '/locations_nogo.txt'
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manCityRadius = 0.1
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varianceAtLocation = 0.0004
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default_latitude = 51.8744
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@ -156,6 +196,19 @@ def spoofGeolocation(baseDir: str,
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with open(locationsFilename, "r") as f:
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cities = f.readlines()
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nogo = []
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if nogoList:
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nogo = nogoList
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else:
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if os.path.isfile(nogoFilename):
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with open(nogoFilename, "r") as f:
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nogoList = f.readlines()
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for line in nogoList:
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if line.startswith(city + ':'):
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polygon = parseNogoString(line)
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if polygon:
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nogo.append(polygon)
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city = city.lower()
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for cityName in cities:
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if city in cityName.lower():
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@ -183,22 +236,35 @@ def spoofGeolocation(baseDir: str,
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datetime.timedelta(hours=approxTimeZone)
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camMake, camModel, camSerialNumber = \
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_getDecoyCamera(decoySeed)
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# patterns of activity change in the city over time
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(distanceFromCityCenter, angleRadians) = \
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_getCityPulse(currTimeAdjusted, decoySeed)
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# The city radius value is in longitude and the reference
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# is Manchester. Adjust for the radius of the chosen city.
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if areaKm2 > 1:
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manRadius = math.sqrt(630 / math.pi)
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radius = math.sqrt(areaKm2 / math.pi)
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cityRadius = manCityRadius * manRadius / radius
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else:
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cityRadius = manCityRadius
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# Get the position within the city, with some randomness added
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latitude += \
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distanceFromCityCenter * cityRadius * math.cos(angleRadians)
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longitude += \
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distanceFromCityCenter * cityRadius * math.sin(angleRadians)
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validCoord = False
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seedOffset = 0
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while not validCoord:
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# patterns of activity change in the city over time
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(distanceFromCityCenter, angleRadians) = \
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_getCityPulse(currTimeAdjusted, decoySeed + seedOffset)
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# The city radius value is in longitude and the reference
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# is Manchester. Adjust for the radius of the chosen city.
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if areaKm2 > 1:
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manRadius = math.sqrt(630 / math.pi)
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radius = math.sqrt(areaKm2 / math.pi)
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cityRadius = manCityRadius * manRadius / radius
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else:
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cityRadius = manCityRadius
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# Get the position within the city, with some randomness added
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latitude += \
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distanceFromCityCenter * cityRadius * \
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math.cos(angleRadians)
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longitude += \
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distanceFromCityCenter * cityRadius * \
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math.sin(angleRadians)
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longval = longitude
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if longdirection == 'W':
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longval = -longitude
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validCoord = not pointInNogo(nogo, latitude, longval)
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if not validCoord:
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seedOffset += 1
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if seedOffset > 100:
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break
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# add a small amount of variance around the location
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fraction = randint(0, 100000) / 100000
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distanceFromLocation = fraction * fraction * varianceAtLocation
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@ -229,3 +295,33 @@ def getSpoofedCity(city: str, baseDir: str, nickname: str, domain: str) -> str:
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with open(cityFilename, 'r') as fp:
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city = fp.read().replace('\n', '')
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return city
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def _pointInPolygon(poly: [], x: float, y: float) -> bool:
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"""Returns true if the given point is inside the given polygon
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"""
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n = len(poly)
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inside = False
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p2x = 0.0
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p2y = 0.0
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xints = 0.0
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p1x, p1y = poly[0]
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for i in range(n + 1):
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p2x, p2y = poly[i % n]
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if y > min(p1y, p2y):
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if y <= max(p1y, p2y):
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if x <= max(p1x, p2x):
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if p1y != p2y:
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xints = (y - p1y) * (p2x - p1x) / (p2y - p1y) + p1x
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if p1x == p2x or x <= xints:
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inside = not inside
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p1x, p1y = p2x, p2y
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return inside
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def pointInNogo(nogo: [], latitude: float, longitude: float) -> bool:
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for polygon in nogo:
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if _pointInPolygon(polygon, latitude, longitude):
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return True
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return False
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@ -0,0 +1,2 @@
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NEW YORK, USA: 73.951W,40.879, 73.974W,40.83, 74.029W,40.756, 74.038W,40.713, 74.056W,40.713, 74.127W,40.647, 74.038W,40.629, 73.995W,40.667, 74.014W,40.676, 73.994W,40.702, 73.967W,40.699, 73.958W,40.729, 73.956W,40.745, 73.918W,40.781, 73.937W,40.793, 73.946W,40.782, 73.977W,40.738, 73.98W,40.713, 74.012W,40.705, 74.006W,40.752, 73.955W,40.824
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NEW YORK, USA: 74.115W,40.663, 74.065W,40.602, 74.118W,40.555, 74.047W,40.516, 73.882W,40.547, 73.909W,40.618, 73.978W,40.579, 74.009W,40.602, 74.033W,40.61, 74.039W,40.623, 74.032W,40.641, 73.996W,40.665
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2
media.py
2
media.py
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@ -87,7 +87,7 @@ def _spoofMetaData(baseDir: str, nickname: str, domain: str,
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(latitude, longitude, latitudeRef, longitudeRef,
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camMake, camModel, camSerialNumber) = \
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spoofGeolocation(baseDir, spoofCity, currTimeAdjusted,
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decoySeed, None)
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decoySeed, None, None)
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os.system('exiftool -artist="' + nickname + '" ' +
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'-Make="' + camMake + '" ' +
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'-Model="' + camModel + '" ' +
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42
tests.py
42
tests.py
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@ -81,7 +81,9 @@ from like import likePost
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from like import sendLikeViaServer
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from announce import announcePublic
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from announce import sendAnnounceViaServer
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from city import parseNogoString
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from city import spoofGeolocation
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from city import pointInNogo
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from media import getMediaPath
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from media import getAttachmentMediaType
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from delete import sendDeleteViaServer
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@ -3605,6 +3607,19 @@ def testRemovePostInteractions() -> None:
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def testSpoofGeolocation() -> None:
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print('testSpoofGeolocation')
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nogoLine = \
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'NEW YORK, USA: 73.951W,40.879, 73.974W,40.83, ' + \
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'74.029W,40.756, 74.038W,40.713, 74.056W,40.713, ' + \
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'74.127W,40.647, 74.038W,40.629, 73.995W,40.667, ' + \
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'74.014W,40.676, 73.994W,40.702, 73.967W,40.699, ' + \
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'73.958W,40.729, 73.956W,40.745, 73.918W,40.781, ' + \
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'73.937W,40.793, 73.946W,40.782, 73.977W,40.738, ' + \
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'73.98W,40.713, 74.012W,40.705, 74.006W,40.752, ' + \
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'73.955W,40.824'
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polygon = parseNogoString(nogoLine)
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assert len(polygon) > 0
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assert polygon[0][1] == -73.951
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assert polygon[0][0] == 40.879
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citiesList = [
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'NEW YORK, USA:40.7127281:W74.0060152:784',
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'LOS ANGELES, USA:34.0536909:W118.242766:1214',
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@ -3613,11 +3628,23 @@ def testSpoofGeolocation() -> None:
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'BERLIN, GERMANY:52.5170365:13.3888599:891',
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'ANKARA, TURKEY:39.93:32.85:24521'
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]
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testSquare = [
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[[0.03, 0.01], [0.02, 10], [10.01, 10.02], [10.03, 0.02]]
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]
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assert pointInNogo(testSquare, 5, 5)
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assert pointInNogo(testSquare, 2, 3)
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assert not pointInNogo(testSquare, 20, 5)
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assert not pointInNogo(testSquare, 11, 6)
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assert not pointInNogo(testSquare, 5, -5)
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assert not pointInNogo(testSquare, 5, 11)
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assert not pointInNogo(testSquare, -5, -5)
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assert not pointInNogo(testSquare, -5, 5)
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nogoList = []
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currTime = datetime.datetime.utcnow()
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decoySeed = 7634681
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cityRadius = 0.1
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coords = spoofGeolocation('', 'los angeles', currTime,
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decoySeed, citiesList)
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decoySeed, citiesList, nogoList)
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assert coords[0] >= 34.0536909 - cityRadius
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assert coords[0] <= 34.0536909 + cityRadius
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assert coords[1] >= 118.242766 - cityRadius
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@ -3627,8 +3654,9 @@ def testSpoofGeolocation() -> None:
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assert len(coords[4]) > 4
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assert len(coords[5]) > 4
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assert coords[6] > 0
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nogoList = []
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coords = spoofGeolocation('', 'unknown', currTime,
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decoySeed, citiesList)
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decoySeed, citiesList, nogoList)
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assert coords[0] >= 51.8744 - cityRadius
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assert coords[0] <= 51.8744 + cityRadius
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assert coords[1] >= 0.368333 - cityRadius
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@ -3641,6 +3669,14 @@ def testSpoofGeolocation() -> None:
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kmlStr = '<?xml version="1.0" encoding="UTF-8"?>\n'
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kmlStr += '<kml xmlns="http://www.opengis.net/kml/2.2">\n'
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kmlStr += '<Document>\n'
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nogoLine2 = \
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'NEW YORK, USA: 74.115W,40.663, 74.065W,40.602, ' + \
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'74.118W,40.555, 74.047W,40.516, 73.882W,40.547, ' + \
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'73.909W,40.618, 73.978W,40.579, 74.009W,40.602, ' + \
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'74.033W,40.61, 74.039W,40.623, 74.032W,40.641, ' + \
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'73.996W,40.665'
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polygon2 = parseNogoString(nogoLine2)
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nogoList = [polygon, polygon2]
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for i in range(1000):
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dayNumber = randint(10, 30)
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hour = randint(1, 23)
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@ -3651,7 +3687,7 @@ def testSpoofGeolocation() -> None:
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" " + hourStr + ":14",
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"%Y-%m-%d %H:%M")
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coords = spoofGeolocation('', 'new york, usa', currTime,
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decoySeed, citiesList)
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decoySeed, citiesList, nogoList)
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longitude = coords[1]
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if coords[3] == 'W':
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longitude = -coords[1]
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