def test_usage():
key = "my-security-key"
image = "s.glbimg.com/et/bb/f/original/2011/03/24/VN0JiwzmOw0b0lg.jpg"
thumbor_crypto = Crypto(salt=key)
thumbor_options = thumbor_crypto.encrypt(
width=300,
height=200,
smart=True,
fit_in=False,
flip_horizontal=False,
flip_vertical=False,
halign='center',
valign='middle',
crop_left=0,
crop_top=0,
crop_right=0,
crop_bottom=0,
image=image
)
thumbor_url = "/%s/%s" % (thumbor_options, image)
crypto = CryptoURL(key=key)
url = crypto.generate(
width=300,
height=200,
smart=True,
image_url=image
)
assert url == thumbor_url
def get(self,
crypto,
image,
security_key=None,
**kw):
cr = Crypto(security_key or self.context.server.security_key)
try:
opt = cr.decrypt(crypto)
except ValueError:
opt = None
if not opt and not security_key and self.context.config.STORES_CRYPTO_KEY_FOR_EACH_IMAGE:
security_key = self.storage.get_crypto(image)
cr = Crypto(security_key or self.context.server.security_key)
opt = cr.decrypt(crypto)
image_hash = opt and opt.get('image_hash')
image_hash = image_hash[1:] if image_hash and image_hash.startswith('/') else image_hash
path_hash = hashlib.md5(image.encode('utf-8')).hexdigest()
if not image_hash or image_hash != path_hash:
self._error(404, 'Request denied because the specified image hash is not valid.')
return
opt['image'] = image
self.context.request = RequestParameters(**opt)
return self.execute_image_operations()
def get(self,
crypto,
image,
security_key=None,
**kw):
if not security_key and options.STORES_CRYPTO_KEY_FOR_EACH_IMAGE:
security_key = self.storage.get_crypto(image)
try:
cr = Crypto(security_key or options.SECURITY_KEY)
opt = cr.decrypt(crypto)
except TypeError:
self._error(404, 'Request denied because the specified encrypted url "%s" could not be decripted' % crypto)
return
image_hash = opt and opt.get('image_hash')
image_hash = image_hash[1:] if image_hash and image_hash.startswith('/') else image_hash
path_hash = hashlib.md5(image).hexdigest()
if not image_hash or image_hash != path_hash:
self._error(404, 'Request denied because the specified image hash "%s" does not match the given image path hash "%s"' %(
unicode(image_hash, errors='replace'),
path_hash
))
return
if not self.validate(image):
self._error(404)
return
return self.execute_image_operations(opt, image)
def test_usage():
key = "my-security-key"
image = "s.glbimg.com/et/bb/f/original/2011/03/24/VN0JiwzmOw0b0lg.jpg"
thumbor_crypto = Crypto(salt=key)
thumbor_options = thumbor_crypto.encrypt(
300,
200,
True,
False,
False,
'center',
'middle',
0, 0, 0, 0,
image=image
)
thumbor_url = "/%s/%s" % (thumbor_options, image)
crypto = CryptoURL(key=key)
url = crypto.generate(
width=300,
height=200,
smart=True,
image_url=image
)
assert url == thumbor_url
def get(self,
crypto,
image,
security_key=None,
**kw):
cr = Crypto(security_key or conf.SECURITY_KEY)
try:
opt = cr.decrypt(crypto)
except ValueError:
opt = None
if not opt and not security_key and conf.STORES_CRYPTO_KEY_FOR_EACH_IMAGE:
security_key = self.storage.get_crypto(image)
cr = Crypto(security_key or conf.SECURITY_KEY)
opt = cr.decrypt(crypto)
image_hash = opt and opt.get('image_hash')
image_hash = image_hash[1:] if image_hash and image_hash.startswith('/') else image_hash
path_hash = hashlib.md5(image).hexdigest()
if not image_hash or image_hash != path_hash:
self._error(404, 'Request denied because the specified image hash is not valid.')
return
return self.execute_image_operations(opt, image)
def test_usage():
key = "my-security-key"
image = "s.glbimg.com/et/bb/f/original/2011/03/24/VN0JiwzmOw0b0lg.jpg"
thumbor_crypto = Crypto(salt=key)
thumbor_options = thumbor_crypto.encrypt(
300,
200,
True,
False,
False,
'center',
'middle',
0, 0, 0, 0,
image=image
)
thumbor_url = "/%s/%s" % (thumbor_options, image)
crypto = CryptoURL(key=key)
url = crypto.generate(
width=300,
height=200,
smart=True,
image_url=image
)
assert url == thumbor_url
def test_encdec_with_extra_args():
crypto = Crypto(salt="something")
encrypted = crypto.encrypt(width=300,
height=200,
smart=False,
fit_in=True,
flip_horizontal=True,
flip_vertical=True,
halign="center",
valign="middle",
crop_left=10,
crop_top=11,
crop_right=12,
crop_bottom=13,
image="/some/image")
decrypted = crypto.decrypt(encrypted)
assert decrypted['width'] == 300
assert decrypted['height'] == 200
assert not decrypted['smart']
assert decrypted['fit_in']
assert decrypted['horizontal_flip']
assert decrypted['vertical_flip']
assert decrypted['halign'] == "center"
assert decrypted['valign'] == "middle"
assert decrypted['crop']
assert decrypted['crop']['left'] == 10
assert decrypted['crop']['top'] == 11
assert decrypted['crop']['right'] == 12
assert decrypted['crop']['bottom'] == 13
def test_encdec_with_extra_args():
crypto = Crypto(salt="something")
encrypted = crypto.encrypt(width=300,
height=200,
smart=False,
flip_horizontal=True,
flip_vertical=True,
halign="center",
valign="middle",
crop_left=10,
crop_top=11,
crop_right=12,
crop_bottom=13,
image="/some/image")
decrypted = crypto.decrypt(encrypted)
assert decrypted['width'] == 300
assert decrypted['height'] == 200
assert not decrypted['smart']
assert decrypted['horizontal_flip']
assert decrypted['vertical_flip']
assert decrypted['halign'] == "center"
assert decrypted['valign'] == "middle"
assert decrypted['crop']
assert decrypted['crop']['left'] == 10
assert decrypted['crop']['top'] == 11
assert decrypted['crop']['right'] == 12
assert decrypted['crop']['bottom'] == 13
def get(self, crypto, image, security_key=None, **kw):
if not security_key and options.STORES_CRYPTO_KEY_FOR_EACH_IMAGE:
security_key = self.storage.get_crypto(image)
try:
cr = Crypto(security_key or options.SECURITY_KEY)
opt = cr.decrypt(crypto)
except TypeError:
self._error(
404,
'Request denied because the specified encrypted url "%s" could not be decripted'
% crypto)
return
image_hash = opt and opt.get('image_hash')
image_hash = image_hash[1:] if image_hash and image_hash.startswith(
'/') else image_hash
path_hash = hashlib.md5(image).hexdigest()
if not image_hash or image_hash != path_hash:
self._error(
404,
'Request denied because the specified image hash "%s" does not match the given image path hash "%s"'
% (unicode(image_hash, errors='replace'), path_hash))
return
if not self.validate(image):
self._error(404)
return
return self.execute_image_operations(opt, image)
def test_crypto_encrypts():
crypto = Crypto(salt="something")
encrypted = crypto.encrypt(width=300,
height=300,
smart=True,
flip_horizontal=True,
flip_vertical=True,
halign="center",
valign="middle",
crop_left=10,
crop_top=11,
crop_right=12,
crop_bottom=13,
image="/some/image.jpg")
assert encrypted == 'OI8j7z9h88_IVzYLiq9UWPkBPBwwJ1pMKQw1UVrL7odTcog5UT4PBBrzoehKm7WUNxU5oq8mV59xMJJUc2aKWA=='
def test_crypto_encrypts():
crypto = Crypto(salt="something")
encrypted = crypto.encrypt(width=300,
height=300,
smart=True,
fit_in=False,
flip_horizontal=True,
flip_vertical=True,
halign="center",
valign="middle",
crop_left=10,
crop_top=11,
crop_right=12,
crop_bottom=13,
image="/some/image.jpg")
assert encrypted == 'OI8j7z9h88_IVzYLiq9UWPkBPBwwJ1pMKQw1UVrL7odTcog5UT4PBBrzoehKm7WUNxU5oq8mV59xMJJUc2aKWA=='
def test_decrypt():
crypto = Crypto(salt="something")
encrypted = crypto.encrypt(width=300,
height=200,
smart=True,
flip_horizontal=True,
flip_vertical=True,
halign="center",
valign="middle",
crop_left=10,
crop_top=11,
crop_right=12,
crop_bottom=13,
image="/some/image.jpg")
decrypted = crypto.decrypt(encrypted)
assert decrypted['width'] == 300
assert decrypted['height'] == 200
assert decrypted['smart'] == True
def get(self,
crypto,
image,
security_key=None,
**kw):
cr = Crypto(security_key or self.context.config.SECURITY_KEY)
try:
opt = cr.decrypt(crypto)
except ValueError:
opt = None
if not opt and not security_key and self.context.config.STORES_CRYPTO_KEY_FOR_EACH_IMAGE:
security_key = self.storage.get_crypto(image)
cr = Crypto(security_key or self.context.config.SECURITY_KEY)
opt = cr.decrypt(crypto)
image_hash = opt and opt.get('image_hash')
image_hash = image_hash[1:] if image_hash and image_hash.startswith('/') else image_hash
path_hash = hashlib.md5(image).hexdigest()
if not image_hash or image_hash != path_hash:
self._error(404, 'Request denied because the specified image hash is not valid.')
return
opt['image'] = image
self.context.request = RequestParameters(**opt)
return self.execute_image_operations()
def test_decrypt():
crypto = Crypto(salt="something")
encrypted = crypto.encrypt(width=300,
height=200,
smart=True,
fit_in=False,
flip_horizontal=True,
flip_vertical=True,
halign="center",
valign="middle",
crop_left=10,
crop_top=11,
crop_right=12,
crop_bottom=13,
image="/some/image.jpg")
decrypted = crypto.decrypt(encrypted)
assert decrypted['width'] == 300
assert decrypted['height'] == 200
assert decrypted['smart'] == True
def test_decrypting_with_wrong_key_fails():
crypto = Crypto(salt="something")
encrypted = crypto.encrypt(width=300,
height=200,
smart=True,
flip_horizontal=True,
flip_vertical=True,
halign="center",
valign="middle",
crop_left=10,
crop_top=11,
crop_right=12,
crop_bottom=13,
image="/some/image/")
crypto = Crypto(salt="simething")
decrypted = crypto.decrypt(encrypted)
assert decrypted
def test_thumbor_can_decrypt_lib_thumbor_generated_url():
key = "my-security-key"
image = "s.glbimg.com/et/bb/f/original/2011/03/24/VN0JiwzmOw0b0lg.jpg"
thumbor_crypto = Crypto(salt=key)
crypto = CryptoURL(key=key)
url = crypto.generate(
width=300,
height=200,
smart=True,
image_url=image
)
reg = "/([^/]+)/(.+)"
options = re.match(reg, url).groups()[0]
decrypted_url = thumbor_crypto.decrypt(options)
assert decrypted_url
assert decrypted_url['height'] == 200
assert decrypted_url['width'] == 300
assert decrypted_url['smart']
assert decrypted_url['image_hash'] == hashlib.md5(image).hexdigest()
def test_thumbor_can_decrypt_lib_thumbor_generated_url():
key = "my-security-key"
image = "s.glbimg.com/et/bb/f/original/2011/03/24/VN0JiwzmOw0b0lg.jpg"
thumbor_crypto = Crypto(salt=key)
crypto = CryptoURL(key=key)
url = crypto.generate(
width=300,
height=200,
smart=True,
image_url=image
)
reg = "/([^/]+)/(.+)"
options = re.match(reg, url).groups()[0]
decrypted_url = thumbor_crypto.decrypt(options)
assert decrypted_url
assert decrypted_url['height'] == 200
assert decrypted_url['width'] == 300
assert decrypted_url['smart']
assert decrypted_url['image_hash'] == hashlib.md5(image).hexdigest()
def test_decrypting_with_wrong_key_fails():
crypto = Crypto(salt="something")
encrypted = crypto.encrypt(width=300,
height=200,
smart=True,
fit_in=False,
flip_horizontal=True,
flip_vertical=True,
halign="center",
valign="middle",
crop_left=10,
crop_top=11,
crop_right=12,
crop_bottom=13,
image="/some/image/")
crypto = Crypto(salt="simething")
decrypted = crypto.decrypt(encrypted)
assert decrypted
def main():
'''Converts a given url with the specified arguments.'''
parser = optparse.OptionParser(usage='thumbor-url [options] imageurl or type thumbor-url -h (--help) for help', description=__doc__, version=__version__)
parser.add_option('-k', '--key', dest='key', default=None, help = 'The security key to encrypt the url with [default: %default].' )
parser.add_option('-w', '--width', dest='width', type='int', default=0, help = 'The target width for the image [default: %default].' )
parser.add_option('-e', '--height', dest='height', type='int', default=0, help = 'The target height for the image [default: %default].' )
parser.add_option('-s', '--smart', action='store_true', dest='smart', default=False, help = 'Indicates that smart cropping should be used.' )
parser.add_option('-f', '--horizontal-flip', action='store_true', dest='horizontal_flip', default=False, help = 'Indicates that the image should be horizontally flipped.' )
parser.add_option('-v', '--vertical-flip', action='store_true', dest='vertical_flip', default=False, help = 'Indicates that the image should be vertically flipped.')
parser.add_option('-a', '--halign', dest='halign', default='center', help = 'The horizontal alignment to use for cropping [default: %default].' )
parser.add_option('-i', '--valign', dest='valign', default='middle', help = 'The vertical alignment to use for cropping [default: %default].' )
parser.add_option('-c', '--crop', dest='crop', default=None, help = 'The coordinates of the points to manual cropping in the format leftxtop:rightxbottom (100x200:400x500) [default: %default].' )
(parsed_options, arguments) = parser.parse_args()
if not arguments:
print 'Error: The image argument is mandatory. For more information type thumbor-url -h'
return
image_url = arguments[0]
if image_url.startswith('/'):
image_url = image_url[1:]
conf_file = ThumborServiceApp.get_conf_file('')
if conf_file:
print
print "USING CONFIGURATION FILE AT %s" % conf_file
print
parse_config_file(conf_file)
if not parsed_options.key and not conf_file:
print 'Error: The -k or --key argument is mandatory. For more information type thumbor-url -h'
return
security_key = options.SECURITY_KEY if not parsed_options.key else parsed_options.key
crypt = Crypto(security_key)
crop_left = crop_top = crop_right = crop_bottom = 0
if parsed_options.crop:
crops = parsed_options.crop.split(':')
crop_left, crop_top = crops[0].split('x')
crop_right, crop_bottom = crops[1].split('x')
opt = crypt.encrypt(parsed_options.width,
parsed_options.height,
parsed_options.smart,
parsed_options.horizontal_flip,
parsed_options.vertical_flip,
parsed_options.halign,
parsed_options.valign,
crop_left,
crop_top,
crop_right,
crop_bottom,
image_url)
url = '/%s/%s' % (opt, image_url)
print 'Encrypted URL: "%s" (without quotes)' % url
def decrypt_in_thumbor(key, encrypted):
'''Uses thumbor to decrypt libthumbor's encrypted URL'''
crypto = Crypto(key)
return crypto.decrypt(encrypted)
def topic(self, encrypted, crypto):
crypto2 = Crypto(salt="simething")
return (crypto2.decrypt(encrypted), crypto.decrypt(encrypted))
def topic(self, encrypted, crypto):
crypto2 = Crypto(salt="simething")
return (crypto2.decrypt(encrypted), crypto.decrypt(encrypted))
def topic(self):
return Crypto(salt="something")
# Licensed under the MIT license: # http://www.opensource.org/licenses/mit-license # Copyright (c) 2011 globo.com [email protected] from os.path import abspath, join, dirname from pyvows import Vows, expect from tornado_pyvows.context import TornadoHTTPContext from thumbor.crypto import Crypto from thumbor.app import ThumborServiceApp from thumbor.importer import Importer from thumbor.config import Config from thumbor.context import Context get_encrypted_url = lambda url, width, height, security_key='HandlerVows': '/%s/%s' % (Crypto(security_key).encrypt(width, height, False, False, False, False, 'center', 'middle', None, None, None, None, '', url), url) fixture_for = lambda path: abspath(join(dirname(__file__), 'fixtures', path)) image_url = 'alabama1_ap620.jpg' @Vows.batch class CryptoHandlerVows(TornadoHTTPContext): def get_app(self): cfg = Config.load(fixture_for('encrypted_handler_conf.py')) importer = Importer(cfg) importer.import_modules() ctx = Context(None, cfg, importer) application = ThumborServiceApp(ctx) return application
def decrypt_in_thumbor(url):
'''Uses thumbor to decrypt libthumbor's encrypted URL'''
encrypted = url.split('/')[1]
crypto = Crypto(KEY)
return crypto.decrypt(encrypted)
def test_can_create_crypto():
crypto = Crypto(salt="something")
assert crypto
assert crypto.salt == "somethingsomethi"
def decrypt_in_thumbor(url):
'''Uses thumbor to decrypt libthumbor's encrypted URL'''
encrypted = url.split('/')[1]
crypto = Crypto(KEY)
return crypto.decrypt(encrypted)
def decrypt_in_thumbor(key, encrypted):
'''Uses thumbor to decrypt libthumbor's encrypted URL'''
crypto = Crypto(key)
return crypto.decrypt(encrypted)
def main(arguments=None):
'''Converts a given url with the specified arguments.'''
if arguments is None:
arguments = sys.argv[1:]
parser = optparse.OptionParser(
usage=
'thumbor-url [options] imageurl or type thumbor-url -h (--help) for help',
description=__doc__,
version=__version__)
parser.add_option(
'-l',
'--key_file',
dest='key_file',
default=None,
help='The file to read the security key from [default: %default].')
parser.add_option(
'-k',
'--key',
dest='key',
default=None,
help='The security key to encrypt the url with [default: %default].')
parser.add_option(
'-w',
'--width',
dest='width',
type='int',
default=0,
help='The target width for the image [default: %default].')
parser.add_option(
'-e',
'--height',
dest='height',
type='int',
default=0,
help='The target height for the image [default: %default].')
parser.add_option(
'-n',
'--fitin',
dest='fitin',
action='store_true',
default=False,
help='Indicates that fit-in resizing should be performed.')
parser.add_option(
'',
'--adaptive',
action='store_true',
dest='adaptive',
default=False,
help='Indicates that adaptive fit-in cropping should be used.')
parser.add_option('-s',
'--smart',
action='store_true',
dest='smart',
default=False,
help='Indicates that smart cropping should be used.')
parser.add_option(
'-f',
'--horizontal-flip',
action='store_true',
dest='horizontal_flip',
default=False,
help='Indicates that the image should be horizontally flipped.')
parser.add_option(
'-v',
'--vertical-flip',
action='store_true',
dest='vertical_flip',
default=False,
help='Indicates that the image should be vertically flipped.')
parser.add_option(
'-a',
'--halign',
dest='halign',
default='center',
help='The horizontal alignment to use for cropping [default: %default].'
)
parser.add_option(
'-i',
'--valign',
dest='valign',
default='middle',
help='The vertical alignment to use for cropping [default: %default].')
parser.add_option(
'',
'--filters',
dest='filters',
default='',
help=
'Filters to be applied to the image, e.g. brightness(10) [default: %default].'
)
parser.add_option(
'-c',
'--crop',
dest='crop',
default=None,
help=
'The coordinates of the points to manual cropping in the format leftxtop:rightxbottom (100x200:400x500) [default: %default].'
)
(parsed_options, arguments) = parser.parse_args(arguments)
if not arguments:
print 'Error: The image argument is mandatory. For more information type thumbor-url -h'
return
image_url = arguments[0]
if image_url.startswith('/'):
image_url = image_url[1:]
try:
config = Config.load(None)
except:
config = None
if config:
print
print "USING CONFIGURATION FILE AT %s" % config.config_file
print
if not parsed_options.key and not config:
print 'Error: The -k or --key argument is mandatory. For more information type thumbor-url -h'
return
if parsed_options.key_file:
f = open(parsed_options.key_file)
security_key = f.read()
f.close()
else:
security_key = config.SECURITY_KEY if not parsed_options.key else parsed_options.key
crypt = Crypto(security_key)
crop_left = crop_top = crop_right = crop_bottom = 0
if parsed_options.crop:
crops = parsed_options.crop.split(':')
crop_left, crop_top = crops[0].split('x')
crop_right, crop_bottom = crops[1].split('x')
opt = crypt.encrypt(parsed_options.width, parsed_options.height,
parsed_options.smart, parsed_options.adaptive,
parsed_options.fitin, parsed_options.horizontal_flip,
parsed_options.vertical_flip, parsed_options.halign,
parsed_options.valign, crop_left, crop_top, crop_right,
crop_bottom, parsed_options.filters, image_url)
url = '/%s/%s' % (opt, image_url)
print 'Encrypted URL:'
print url
from os.path import abspath, join, dirname
from pyvows import Vows, expect
from tornado_pyvows.context import TornadoHTTPContext
import urllib
from thumbor.crypto import Crypto
from thumbor.app import ThumborServiceApp
from thumbor.importer import Importer
from thumbor.config import Config
from thumbor.context import Context, ServerParameters
get_encrypted_url = lambda url, width, height, security_key='HandlerVows': '/%s/%s' % (
Crypto(security_key
).encrypt(width, height, False, False, False, False, False,
'center', 'middle', None, None, None, None, '', url), url)
fixture_for = lambda path: abspath(join(dirname(__file__), 'fixtures', path))
image_url = 'alabama1_ap620é.jpg'
@Vows.batch
class CryptoHandlerVows(TornadoHTTPContext):
def get_app(self):
cfg = Config.load(fixture_for('encrypted_handler_conf.py'))
server_params = ServerParameters(None, None, None, None, None, None)
server_params.security_key = 'HandlerVows'
importer = Importer(cfg)
importer.import_modules()
