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Hippolyzer/pyogp/lib/base/credentials.py

75 lines
2.4 KiB
Python

from zope.interface import implements
from zope.component import adapts
import md5
from indra.base import llsd
import grokcore.component as grok
from interfaces import IPlainPasswordCredential, ISerialization, ICredentialDeserialization
class PlainPasswordCredential(object):
"""a plain password credential"""
implements(IPlainPasswordCredential)
def __init__(self, firstname, lastname, password):
"""initialize this credential"""
self.firstname = firstname
self.lastname = lastname
self.password = password
# an adapter to serialize this to LLSD
class PlainPasswordLLSDSerializer(grok.Adapter):
"""converts a plain password credential to LLSD
Here is how you can use it:
>>> credential = PlainPasswordCredential('Firstname','Lastname','password')
>>> serializer = ISerialization(credential)
>>> serializer.serialize()
'<?xml version="1.0" ?><llsd><map><key>lastname</key><string>Lastname</string><key>password</key><string>password</string><key>firstname</key><string>Firstname</string></map></llsd>'
>>> serializer.content_type
'application/llsd+xml'
"""
grok.implements(ISerialization)
grok.context(IPlainPasswordCredential)
def __init__(self, context):
"""initialize this adapter by storing the context (the credential)"""
self.context = context
def serialize(self):
"""return the credential as a string"""
loginparams={
# 'password' : "$1$"+md5.new(self.context.password).hexdigest(),
'password' : self.context.password,
'lastname' : self.context.lastname,
'firstname' : self.context.firstname
}
llsdlist = llsd.format_xml(loginparams)
return llsdlist
@property
def content_type(self):
"""return HTTP headers needed here"""
return "application/llsd+xml"
class PlainPasswordLLSDDeserializer(grok.GlobalUtility):
"""take an LLSD string and create a credential object
This is a utility
"""
grok.implements(ICredentialDeserialization)
grok.name('application/llsd+xml')
def deserialize(self, s):
payload = llsd.parse(s)
# TODO: make this serialization stuff more flexible in terms of other types
return PlainPasswordCredential(payload['firstname'], payload['lastname'], payload['password'])