if request.method == "POST": #and \

#       request.META['CONTENT_TYPE'] == "application/x-www-form-urlencoded":

        params = dict(request.REQUEST.items())

    else:

        params = { }

    # Seems that we want to put HTTP_AUTHORIZATION into 'Authorization'

    # for oauth.py to understand. Lovely.

    request.META['Authorization'] = request.META.get('HTTP_AUTHORIZATION', '')

        headers=request.META, parameters=params,

        'oauth_callback': token.get_callback_url() or callback,

      })

                print "FORM ERROR", form.errors

                request.consumer = consumer

            met = getattr(self.handler, method, None)

            if not met:

                continue

from django.core.urlresolvers import reverse, NoReverseMatch

# Allow people to change the reverser (default `permalink`).

reverser = permalink

    `RESERVED_FIELDS` was introduced when better resource

    method detection came, and we accidentially caught these

    as the methods on the handler. Issue58 says that's no good.

    RESERVED_FIELDS = set([ 'read', 'update', 'create', 

                            'delete', 'model', 'anonymous',

                            'allowed_methods', 'fields', 'exclude' ])

    def method_fields(self, handler, fields):

        if not handler:

        for field in fields - Emitter.RESERVED_FIELDS:

            t = getattr(handler, str(field), None)

            if t and callable(t):

                ret[field] = t

            elif repr(thing).startswith("<django.db.models.fields.related.RelatedManager"):

                ret = _any(thing.all())

                    url_id, fields = handler.resource_uri(data)

                    try:

                        ret['resource_uri'] = reverser( lambda: (url_id, fields) )()

                    except NoReverseMatch, e:

                        pass

    oauth_callback = forms.CharField(widget=forms.HiddenInput, required=False)

import warnings

from django.conf import settings

        def already_registered(model, anon):

            for k, (m, a) in typemapper.iteritems():

                if model == m and anon == a:

                    return k

            if already_registered(new_cls.model, new_cls.is_anonymous):

                if not getattr(settings, 'PISTON_IGNORE_DUPE_MODELS', False):

                    warnings.warn("Handler already registered for model %s, "

                        "you may experience inconsistent results." % new_cls.model.__name__)

        else:

            typemapper[new_cls] = (None, new_cls.is_anonymous)

import urllib, time, urlparse

# Django imports

from django.db.models.signals import post_save, post_delete

# Piston imports

from managers import TokenManager, ConsumerManager, ResourceManager

from signals import consumer_post_save, consumer_post_delete

KEY_SIZE = 18

SECRET_SIZE = 32

VERIFIER_SIZE = 10

    ('pending', 'Pending'),

    ('rejected', 'Rejected')

def generate_random(length=SECRET_SIZE):

    return User.objects.make_random_password(length=length)

    def generate_random_codes(self):

        """

        Used to generate random key/secret pairings. Use this after you've

        added the other data in place of save(). 

        c = Consumer()

        c.name = "My consumer" 

        c.description = "An app that makes ponies from the API."

        c.user = some_user_object

        c.generate_random_codes()

        """

        key = User.objects.make_random_password(length=KEY_SIZE)

        secret = generate_random(SECRET_SIZE)

        while Consumer.objects.filter(key__exact=key, secret__exact=secret).count():

            secret = generate_random(SECRET_SIZE)

        self.key = key

        self.secret = secret

        self.save()

    verifier = models.CharField(max_length=VERIFIER_SIZE)

    timestamp = models.IntegerField(default=long(time.time()))

    callback = models.CharField(max_length=255, null=True, blank=True)

    callback_confirmed = models.BooleanField(default=False)

            'oauth_token_secret': self.secret,

            'oauth_callback_confirmed': 'true',

        if self.verifier:

            token_dict.update({ 'oauth_verifier': self.verifier })

    def generate_random_codes(self):

        key = User.objects.make_random_password(length=KEY_SIZE)

        secret = generate_random(SECRET_SIZE)

        while Token.objects.filter(key__exact=key, secret__exact=secret).count():

            secret = generate_random(SECRET_SIZE)

        self.key = key

        self.secret = secret

        self.save()

    # -- OAuth 1.0a stuff

    def get_callback_url(self):

        if self.callback and self.verifier:

            # Append the oauth_verifier.

            parts = urlparse.urlparse(self.callback)

            scheme, netloc, path, params, query, fragment = parts[:6]

            if query:

                query = '%s&oauth_verifier=%s' % (query, self.verifier)

            else:

                query = 'oauth_verifier=%s' % self.verifier

            return urlparse.urlunparse((scheme, netloc, path, params,

                query, fragment))

        return self.callback

    def set_callback(self, callback):

        if callback != "oob": # out of band, says "we can't do this!"

            self.callback = callback

            self.callback_confirmed = True

            self.save()

# Attach our signals

post_save.connect(consumer_post_save, sender=Consumer)

post_delete.connect(consumer_post_delete, sender=Consumer)

"""

The MIT License

Copyright (c) 2007 Leah Culver

Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the "Software"), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in

all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

THE SOFTWARE.

"""

import binascii

    """Generic exception class."""

    """Optional WWW-Authenticate header (401 error)"""

    return {'WWW-Authenticate': 'OAuth realm="%s"' % realm}

    """Escape a URL including any /."""

def _utf8_str(s):

    """Convert unicode to utf-8."""

    if isinstance(s, unicode):

        return s.encode("utf-8")

    else:

        return str(s)

    """Get seconds since epoch (UTC)."""

    """Generate pseudorandom number."""

    return ''.join([str(random.randint(0, 9)) for i in range(length)])

def generate_verifier(length=8):

    """Generate pseudorandom number."""

    return ''.join([str(random.randint(0, 9)) for i in range(length)])

    """Consumer of OAuth authentication.

    OAuthConsumer is a data type that represents the identity of the Consumer

    via its shared secret with the Service Provider.

    """

    """OAuthToken is a data type that represents an End User via either an access

    or request token.

    key -- the token

    secret -- the token secret

    """

    callback = None

    callback_confirmed = None

    verifier = None

    def set_callback(self, callback):

        self.callback = callback

        self.callback_confirmed = 'true'

    def set_verifier(self, verifier=None):

        if verifier is not None:

            self.verifier = verifier

        else:

            self.verifier = generate_verifier()

    def get_callback_url(self):

        if self.callback and self.verifier:

            # Append the oauth_verifier.

            parts = urlparse.urlparse(self.callback)

            scheme, netloc, path, params, query, fragment = parts[:6]

            if query:

                query = '%s&oauth_verifier=%s' % (query, self.verifier)

            else:

                query = 'oauth_verifier=%s' % self.verifier

            return urlparse.urlunparse((scheme, netloc, path, params,

                query, fragment))

        return self.callback

        data = {

            'oauth_token': self.key,

            'oauth_token_secret': self.secret,

        }

        if self.callback_confirmed is not None:

            data['oauth_callback_confirmed'] = self.callback_confirmed

        return urllib.urlencode(data)

        """ Returns a token from something like:

        oauth_token_secret=xxx&oauth_token=xxx

        """

        token = OAuthToken(key, secret)

        try:

            token.callback_confirmed = params['oauth_callback_confirmed'][0]

        except KeyError:

            pass # 1.0, no callback confirmed.

        return token

    from_string = staticmethod(from_string)

    """OAuthRequest represents the request and can be serialized.

        - oauth_verifier

    """

    parameters = None # OAuth parameters.

        return self.get_parameter('oauth_timestamp'), self.get_parameter(

            'oauth_nonce')

        """Get any non-OAuth parameters."""

            # Ignore oauth parameters.

        """Serialize as a header for an HTTPAuth request."""

        # Add the oauth parameters.

                if k[:6] == 'oauth_':

                    auth_header += ', %s="%s"' % (k, escape(str(v)))

        """Serialize as post data for a POST request."""

        return '&'.join(['%s=%s' % (escape(str(k)), escape(str(v))) \

            for k, v in self.parameters.iteritems()])

        """Serialize as a URL for a GET request."""

        """Return a string that contains the parameters that must be signed."""

            # Exclude the signature if it exists.

        # Escape key values before sorting.

        key_values = [(escape(_utf8_str(k)), escape(_utf8_str(v))) \

            for k,v in params.items()]

        # Sort lexicographically, first after key, then after value.

        # Combine key value pairs into a string.

        return '&'.join(['%s=%s' % (k, v) for k, v in key_values])

        """Uppercases the http method."""

        """Parses the URL and rebuilds it to be scheme://host/path."""

        scheme, netloc, path = parts[:3]

        # Exclude default port numbers.

        if scheme == 'http' and netloc[-3:] == ':80':

            netloc = netloc[:-3]

        elif scheme == 'https' and netloc[-4:] == ':443':

            netloc = netloc[:-4]

        return '%s://%s%s' % (scheme, netloc, path)

        """Set the signature parameter to the result of build_signature."""

        # Set the signature method.

        self.set_parameter('oauth_signature_method',

            signature_method.get_name())

        # Set the signature.

        self.set_parameter('oauth_signature',

            self.build_signature(signature_method, consumer, token))

        """Calls the build signature method within the signature method."""

    def from_request(http_method, http_url, headers=None, parameters=None,

            query_string=None):

        """Combines multiple parameter sources."""

        # Headers

        if headers and 'Authorization' in headers:

            auth_header = headers['Authorization']

            # Check that the authorization header is OAuth.

            if auth_header[:6] == 'OAuth ':

                auth_header = auth_header[6:]

                    # Get the parameters from the header.

                    raise OAuthError('Unable to parse OAuth parameters from '

                        'Authorization header.')

        # GET or POST query string.

        # URL parameters.

    from_request = staticmethod(from_request)

    def from_consumer_and_token(oauth_consumer, token=None,

            callback=None, verifier=None, http_method=HTTP_METHOD,

            http_url=None, parameters=None):

            parameters['oauth_callback'] = token.callback

            # 1.0a support for verifier.

            parameters['oauth_verifier'] = verifier

        elif callback:

            # 1.0a support for callback in the request token request.

            parameters['oauth_callback'] = callback

    from_consumer_and_token = staticmethod(from_consumer_and_token)

    def from_token_and_callback(token, callback=None, http_method=HTTP_METHOD,

            http_url=None, parameters=None):

            parameters['oauth_callback'] = callback

    from_token_and_callback = staticmethod(from_token_and_callback)

        """Turn Authorization: header into parameters."""

            # Ignore realm parameter.

            # Remove whitespace.

            # Split key-value.

            # Remove quotes and unescape the value.

    _split_header = staticmethod(_split_header)

        """Turn URL string into parameters."""

    _split_url_string = staticmethod(_split_url_string)

    """A worker to check the validity of a request against a data store."""

    timestamp_threshold = 300 # In seconds, five minutes.

    def set_data_store(self, data_store):

        """Processes a request_token request and returns the

        request token on success.

        """

            # Get the request token for authorization.

            # No token required for the initial token request.

            try:

                callback = self.get_callback(oauth_request)