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Source code for galaxy.webapps.galaxy.api.authenticate

"""
API key retrieval through BaseAuth
Sample usage:

curl --user zipzap@foo.com:password http://localhost:8080/api/authenticate/baseauth

Returns:

{
    "api_key": "baa4d6e3a156d3033f05736255f195f9"
}
"""

from base64 import b64decode
from urllib import unquote

from galaxy.web import _future_expose_api_anonymous_and_sessionless as expose_api_anonymous_and_sessionless
from galaxy.managers import api_keys
from galaxy import exceptions
from galaxy.web.base.controller import BaseAPIController

import logging
log = logging.getLogger(__name__)


[docs]class AuthenticationController(BaseAPIController):
[docs] def __init__(self, app): super(AuthenticationController, self).__init__(app) self.api_keys_manager = api_keys.ApiKeyManager(app)
[docs] @expose_api_anonymous_and_sessionless def get_api_key(self, trans, **kwd): """ def get_api_key( self, trans, **kwd ) * GET /api/authenticate/baseauth returns an API key for authenticated user based on BaseAuth headers :returns: api_key in json format :rtype: dict :raises: ObjectNotFound, HTTPBadRequest """ email, password = self._decode_baseauth(trans.environ.get('HTTP_AUTHORIZATION')) user = trans.sa_session.query(trans.app.model.User).filter(trans.app.model.User.table.c.email == email).all() if len(user) == 0: raise exceptions.ObjectNotFound('The user does not exist.') elif len(user) > 1: # DB is inconsistent and we have more users with the same email. raise exceptions.InconsistentDatabase('An error occured, please contact your administrator.') else: user = user[0] is_valid_user = self.app.auth_manager.check_password(user, password) if is_valid_user: key = self.api_keys_manager.get_or_create_api_key(user) return dict(api_key=key) else: raise exceptions.AuthenticationFailed('Invalid password.')
def _decode_baseauth(self, encoded_str): """ Decode an encrypted HTTP basic authentication string. Returns a tuple of the form (email, password), and raises a HTTPBadRequest exception if nothing could be decoded. :param encoded_str: BaseAuth string encoded base64 :type encoded_str: string :returns: email of the user :rtype: string :returns: password of the user :rtype: string :raises: HTTPBadRequest """ split = encoded_str.strip().split(' ') # If split is only one element, try to decode the email and password # directly. if len(split) == 1: try: email, password = b64decode(split[0]).split(':') except: raise exceptions.ActionInputError() # If there are only two elements, check the first and ensure it says # 'basic' so that we know we're about to decode the right thing. If not, # bail out. elif len(split) == 2: if split[0].strip().lower() == 'basic': try: email, password = b64decode(split[1]).split(':') except: raise exceptions.ActionInputError() else: raise exceptions.ActionInputError() # If there are more than 2 elements, something crazy must be happening. # Bail. else: raise exceptions.ActionInputError() return unquote(email), unquote(password)