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[1.0.X] Fixed #9566 -- made GeoJSON regex more robust. 

Backport of r9392 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9393 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Justin Bronn 2008-11-11 17:28:43 +00:00
parent 1ea0057296
commit 11736980a4
5 changed files with 24 additions and 6 deletions
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2
django/contrib/gis/gdal/geometries.py
View File

@ -61,7 +61,7 @@ from django.contrib.gis.gdal.prototypes.srs import clone_srs
# Regular expressions for recognizing HEXEWKB and WKT.
hex_regex = re.compile(r'^[0-9A-F]+$', re.I)
wkt_regex = re.compile(r'^(?P<type>POINT|LINESTRING|LINEARRING|POLYGON|MULTIPOINT|MULTILINESTRING|MULTIPOLYGON|GEOMETRYCOLLECTION)[ACEGIMLONPSRUTY\d,\.\-\(\) ]+$', re.I)
json_regex = re.compile(r'^\{[\s\w,\-\.\"\'\:\[\]]+\}$')
json_regex = re.compile(r'^(\s+)?\{[\s\w,\[\]\{\}\-\."\':]+\}(\s+)?$')
#### OGRGeometry Class ####
class OGRGeometry(object):

2
django/contrib/gis/geos/base.py
View File

@ -21,6 +21,7 @@ from django.contrib.gis.geos.prototypes import *
# try/except since this package may be used outside GeoDjango.
try:
from django.contrib.gis.gdal import OGRGeometry, SpatialReference, GEOJSON
from django.contrib.gis.gdal.geometries import json_regex
HAS_GDAL = True
except:
HAS_GDAL, GEOJSON = False, False
@ -30,7 +31,6 @@ except:
# library. Not a substitute for good web security programming practices.
hex_regex = re.compile(r'^[0-9A-F]+$', re.I)
wkt_regex = re.compile(r'^(SRID=(?P<srid>\d+);)?(?P<wkt>(POINT|LINESTRING|LINEARRING|POLYGON|MULTIPOINT|MULTILINESTRING|MULTIPOLYGON|GEOMETRYCOLLECTION)[ACEGIMLONPSRUTY\d,\.\-\(\) ]+)$', re.I)
json_regex = re.compile(r'^\{.+\}$')
class GEOSGeometry(object):
"A class that, generally, encapsulates a GEOS geometry."

16
django/contrib/gis/tests/geometries.py
View File

@ -154,4 +154,20 @@ buffer_geoms = ( (TestGeom('POINT(0 0)'),
json_geoms = (TestGeom('POINT(100 0)', json='{ "type": "Point", "coordinates": [ 100.000000, 0.000000 ] }'),
TestGeom('POLYGON((0 0, -10 0, -10 -10, 0 -10, 0 0))', json='{ "type": "Polygon", "coordinates": [ [ [ 0.000000, 0.000000 ], [ -10.000000, 0.000000 ], [ -10.000000, -10.000000 ], [ 0.000000, -10.000000 ], [ 0.000000, 0.000000 ] ] ] }'),
TestGeom('MULTIPOLYGON(((102 2, 103 2, 103 3, 102 3, 102 2)), ((100.0 0.0, 101.0 0.0, 101.0 1.0, 100.0 1.0, 100.0 0.0), (100.2 0.2, 100.8 0.2, 100.8 0.8, 100.2 0.8, 100.2 0.2)))', json='{ "type": "MultiPolygon", "coordinates": [ [ [ [ 102.000000, 2.000000 ], [ 103.000000, 2.000000 ], [ 103.000000, 3.000000 ], [ 102.000000, 3.000000 ], [ 102.000000, 2.000000 ] ] ], [ [ [ 100.000000, 0.000000 ], [ 101.000000, 0.000000 ], [ 101.000000, 1.000000 ], [ 100.000000, 1.000000 ], [ 100.000000, 0.000000 ] ], [ [ 100.200000, 0.200000 ], [ 100.800000, 0.200000 ], [ 100.800000, 0.800000 ], [ 100.200000, 0.800000 ], [ 100.200000, 0.200000 ] ] ] ] }'),
TestGeom('GEOMETRYCOLLECTION(POINT(100 0),LINESTRING(101.0 0.0, 102.0 1.0))',
json='{ "type": "GeometryCollection", "geometries": [ { "type": "Point", "coordinates": [ 100.000000, 0.000000 ] }, { "type": "LineString", "coordinates": [ [ 101.000000, 0.000000 ], [ 102.000000, 1.000000 ] ] } ] }',
),
TestGeom('MULTILINESTRING((100.0 0.0, 101.0 1.0),(102.0 2.0, 103.0 3.0))',
json="""
{ "type": "MultiLineString",
"coordinates": [
[ [100.0, 0.0], [101.0, 1.0] ],
[ [102.0, 2.0], [103.0, 3.0] ]
]
}
""",
not_equal=True,
),
)

5
django/contrib/gis/tests/test_gdal_geom.py
View File

@ -79,8 +79,9 @@ class OGRGeomTest(unittest.TestCase):
if not GEOJSON: return
for g in json_geoms:
geom = OGRGeometry(g.wkt)
self.assertEqual(g.json, geom.json)
self.assertEqual(g.json, geom.geojson)
if not hasattr(g, 'not_equal'):
self.assertEqual(g.json, geom.json)
self.assertEqual(g.json, geom.geojson)
self.assertEqual(OGRGeometry(g.wkt), OGRGeometry(geom.json))
def test02_points(self):

5
django/contrib/gis/tests/test_geos.py
View File

@ -102,8 +102,9 @@ class GEOSTest(unittest.TestCase):
if not HAS_GDAL or not GEOJSON: return
for g in json_geoms:
geom = GEOSGeometry(g.wkt)
self.assertEqual(g.json, geom.json)
self.assertEqual(g.json, geom.geojson)
if not hasattr(g, 'not_equal'):
self.assertEqual(g.json, geom.json)
self.assertEqual(g.json, geom.geojson)
self.assertEqual(GEOSGeometry(g.wkt), GEOSGeometry(geom.json))
def test01j_eq(self):