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# This woob module is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This woob module is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public License
# along with this woob module. If not, see <http://www.gnu.org/licenses/>.
from PIL import Image
from woob.tools.log import getLogger
def __init__(self, msg, tile=None):
super(TileError, self).__init__(msg)
class Captcha(object):
def __init__(self, file, infos):
self.inim = Image.open(file)
self.infos = infos
self.nbr = int(infos["nbrows"])
self.nbc = int(infos["nbcols"])
(self.nx, self.ny) = self.inim.size
self.inmat = self.inim.load()
self.map = {}
self.tiles = [[Tile(y * self.nbc + x) for y in range(4)] for x in range(4)]
def __getitem__(self, coords):
x, y = coords
return self.inmat[x % self.nx, y % self.ny]
def all_coords(self):
for y in range(self.ny):
for x in range(self.nx):
yield x, y
def get_codes(self, code):
s = ''
num = 0
for c in code:
index = self.map[int(c)].id
keycode = str(self.infos["grid"][num * self.nbr * self.nbc + index])
s += keycode
if num < 5:
s += ','
num += 1
return s
def build_tiles(self):
for yy in range(y, y + 23):
for xx in range(x, x + 24):
tile.map.append(self[xx, yy])
num = tile.get_num()
if num > -1:
tile.valid = True
self.map[num] = tile
hash = {'ff1441b2c5f90703ef04e688e399aca5': 1,
'53d7f3dfd64f54723b231fc398b6be57': 2,
'5bcba7fa2107ba9a606e8d0131c162eb': 3,
'9db6e7ed063e5f9a69ab831e6cc0d721': 4,
'30ebb75bfa5077f41ccfb72e8c9cc15b': 5,
'61e27275e494038e524bc9fbbd0be130': 6,
'0e0816f1b743f320ca561f090df0fbb1': 7,
'11e7d4a6d447e66a5a112c1d9f7fc442': 8,
'2ea3c82768030d91571d360acf7a0f75': 9,
'28a834ebbf0238b46d3fffae1a0b781b': 0,
'04211db029ce488e07010f618a589c71': -1,
'9a1bdf493d4067e98d3f364586c81e9d': 1,
'932032493860463bb4a3df7c99a900ad': 2,
'59cd90f1fa0b416ecdb440bc16d0b8e7': 3,
'53fe822c5efebe5f6fdef0f272c29638': 4,
'2082a9c830c0c7c9c22e9c809c6cadf7': 5,
'7f24aa97f0037bddcf2a4c8c2dbf5948': 6,
'725b6f11f44ecc2e9f6e79e86e3a82a5': 7,
'61d57da23894b96fab11f7b83c055bba': 8,
'18f6290c1cfaecadc5992e7ef6047a49': 9,
'1ce77709ec1d7475685d7b50d6f1c89e': 0,
'6718858a509fff4b86604f3096cf65e1': -1,
}
def __init__(self, _id):
self.id = _id
self.valid = False
self.logger = getLogger('societegenerale.captcha')
self.map = []
def __repr__(self):
return "<Tile(%02d) valid=%s>" % (self.id, self.valid)
def checksum(self):
s = ''
for pxls in self.map:
for pxl in pxls:
s += '%02d' % pxl
return hashlib.md5(s.encode('ascii')).hexdigest()
def get_num(self):
sum = self.checksum()
try:
return self.hash[sum]
except KeyError:
self.display()
raise TileError('Tile not found ' + sum, self)
def display(self):
self.logger.debug(self.checksum())
#im = Image.new('RGB', (24, 23))
#im.putdata(self.map)
#im.save('/tmp/%s.png' % self.checksum())