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from .compat import urllib
from .plugins import PluginError
import hmac, hashlib, zlib, argparse
SWF_KEY = b"Genuine Adobe Flash Player 001"
class ArgumentParser(argparse.ArgumentParser):
def convert_arg_line_to_args(self, line):
if line[0] == "#":
return
split = line.find("=")
if split > 0:
key = line[:split].strip()
val = line[split+1:].strip()
yield "--%s=%s" % (key, val)
else:
yield "--%s" % line
def urlopen(url, data=None, timeout=None, opener=None):
try:
if opener is not None:
fd = opener.open(url, data, timeout)
else:
fd = urllib.urlopen(url, data, timeout)
except IOError as err:
if type(err) is urllib.URLError:
raise PluginError(err.reason)
else:
raise PluginError(err)
return fd
def urlget(url, data=None, timeout=15, opener=None):
fd = urlopen(url, data, timeout, opener)
try:
data = fd.read()
fd.close()
except IOError as err:
if type(err) is urllib.URLError:
raise PluginError(err.reason)
else:
raise PluginError(err)
return data
def swfverify(url):
swf = urlget(url)
if swf[:3] == b"CWS":
swf = b"F" + swf[1:8] + zlib.decompress(swf[8:])
h = hmac.new(SWF_KEY, swf, hashlib.sha256)
return h.hexdigest(), len(swf)
def verifyjson(json, key):
if not key in json:
raise PluginError(("Missing '{0}' key in JSON").format(key))
return json[key]
__all__ = ["ArgumentParser", "urlopen", "urlget", "swfverify", "verifyjson"]
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