Example #1
0
    def get_or_create(cls, create_kwargs=None, **kwargs):
        '''
        Get an instance or create it.

        At first all keyword arguments are used to search for a single
        instance. If that instance is found it is returned. If no
        instance is found then it is created using the keyword arguments
        and any additional arguments given in the ``create_kwargs``
        dict. The created instance is then returned.
        '''
        if not kwargs:
            raise ValueError('No filter keyword arguments.')
        try:
            # First assume that the object already exists
            return cls.one(**kwargs)
        except NoResultFound:
            # Since the object doesn't exist, try to create it
            kwargs.update(create_kwargs or {})
            obj = cls(**kwargs)
            try:
                with Session.begin_nested():
                    Session.add(obj)
                return obj
            except IntegrityError as e:
                log.exception(e)
                # Assume someone has raced the object creation
                return cls.one(**kwargs)
Example #2
0
def sync_irods(params, id):
    """
    Fetches a resource from database with the same path as user specified and 
    that matches an existing resource in CKAN.
    """
    from irods import getFileUserMetadata, rcModAccessControl
    rev = model.repo.new_revision()
    conn = get_connection_from_params(params)
    resource = Resource.get(id)
    path = params['path']
    extras = {}
    # Lets handle only resources with file names
    if resource.name:
        fname = "%s/%s" % (path, resource.name.split('/')[-1])
        log.debug(fname)
        i = 0
        access = rcModAccessControl()
        log.debug(access.getPath())
        if conn:
            for met in getFileUserMetadata(conn, fname):
                i += 1
                key, value, _ = met
                extras[key] = value
            resource.extras = extras
            Session.add(resource)
            conn.disconnect()
            model.repo.commit()
            rev.message = "Update from iRODS, matched file %s" % fname
            h.flash_success(
                "iRODS import to resource OK! Imported %s metadatas" % i)
        else:
            h.flash_error("Could not connect to iRODS!")
    else:
        h.flash_error("Resource is an URL, cannot import!")
    h.redirect_to(controller='package', action='resource_read', \
              id=resource.resource_group.package.name, \
              resource_id=resource.id)
def sync_irods(params, id):
    """
    Fetches a resource from database with the same path as user specified and 
    that matches an existing resource in CKAN.
    """
    from irods import getFileUserMetadata, rcModAccessControl
    rev = model.repo.new_revision()
    conn = get_connection_from_params(params)
    resource = Resource.get(id)
    path = params['path']
    extras = {}
    # Lets handle only resources with file names
    if resource.name:
        fname = "%s/%s" % (path, resource.name.split('/')[-1])
        log.debug(fname)
        i = 0
        access = rcModAccessControl()
        log.debug(access.getPath())
        if conn:
            for met in getFileUserMetadata(conn, fname):
                i += 1
                key, value, _ = met
                extras[key] = value
            resource.extras = extras
            Session.add(resource)
            conn.disconnect()
            model.repo.commit()
            rev.message = "Update from iRODS, matched file %s" % fname
            h.flash_success("iRODS import to resource OK! Imported %s metadatas" % i)
        else:
            h.flash_error("Could not connect to iRODS!")
    else:
        h.flash_error("Resource is an URL, cannot import!")
    h.redirect_to(controller='package', action='resource_read', \
              id=resource.resource_group.package.name, \
              resource_id=resource.id)
Example #4
0
def import_collection_to_package(params, id):
    """
    Import a collection to dataset. Does not import whole file data but
    rather the metadata.
    """
    from irods import irodsCollection
    path = params['path']
    pkg = Package.get(id)
    conn = get_connection_from_params(params)
    if (conn):
        coll = irodsCollection(conn, path)
        from irods import iRodsOpen
        rev = model.repo.new_revision()
        i = 0
        for obj in coll.getObjects():
            extras = {}
            fname, _ = obj
            fpath = "%s/%s" % (coll.getCollName(), fname)
            f = iRodsOpen(conn, fpath, 'r')
            if f:
                i += 1
                res = Resource.by_name(fname)
                if not res:
                    res = Resource(url = '', name=fname, extras=extras, \
                                   resource_type='file')
                for met in f.getUserMetadata():
                    key, value, _ = met
                    extras[key] = value
                res.extras = extras
                resgrp = pkg.resource_groups[0]
                resgrp.resources.append(res)
                Session.add(res)
                Session.add(resgrp)
                rev.message = "Update from iRODS, matched file %s" % fname
        for met in coll.getUserMetadata():
            key, value, _ = met
            pkg.extras[key] = value
        Session.add(pkg)
        model.repo.commit()
        conn.disconnect()
        h.flash_success("iRODS import to dataset OK! Imported %s resources." %
                        i)
    else:
        h.flash_error("Could not connect to iRODS!")
    h.redirect_to(controller='package', action='read', id=id)
def import_collection_to_package(params, id):
    """
    Import a collection to dataset. Does not import whole file data but
    rather the metadata.
    """
    from irods import irodsCollection
    path = params['path']
    pkg = Package.get(id)
    conn = get_connection_from_params(params)
    if (conn):
        coll = irodsCollection(conn, path)
        from irods import iRodsOpen
        rev = model.repo.new_revision()
        i = 0
        for obj in coll.getObjects():
            extras = {} 
            fname, _ = obj
            fpath = "%s/%s" % (coll.getCollName(), fname) 
            f = iRodsOpen(conn, fpath, 'r')
            if f:
                i += 1
                res = Resource.by_name(fname)
                if not res:
                    res = Resource(url = '', name=fname, extras=extras, \
                                   resource_type='file')
                for met in f.getUserMetadata():
                    key, value, _ = met
                    extras[key] = value
                res.extras = extras
                resgrp = pkg.resource_groups[0]
                resgrp.resources.append(res)
                Session.add(res)
                Session.add(resgrp)
                rev.message = "Update from iRODS, matched file %s" % fname
        for met in coll.getUserMetadata():
            key, value, _ = met
            pkg.extras[key] = value
        Session.add(pkg)
        model.repo.commit()
        conn.disconnect()
        h.flash_success("iRODS import to dataset OK! Imported %s resources." % i)
    else:
        h.flash_error("Could not connect to iRODS!")
    h.redirect_to(controller='package', action='read', id=id)
Example #6
0
class DrupalAuthMiddleware(object):
    '''Allows CKAN user to login via Drupal. It looks for the Drupal cookie
    and gets user details from Drupal using XMLRPC.
    so works side-by-side with normal CKAN logins.'''
    def __init__(self, app, app_conf):
        self.app = app
        self.drupal_client = None
        self._user_name_prefix = 'user_d'

        minutes_between_checking_drupal_cookie = app_conf.get(
            'minutes_between_checking_drupal_cookie', 30)
        self.seconds_between_checking_drupal_cookie = int(
            minutes_between_checking_drupal_cookie) * 60
        # if that int() raises a ValueError then the app will not start

    def _parse_cookies(self, environ):
        is_ckan_cookie = [False]
        drupal_session_id = [False]
        server_name = environ['SERVER_NAME']
        for k, v in environ.items():
            key = k.lower()
            if key == 'http_cookie':
                is_ckan_cookie[0] = self._is_this_a_ckan_cookie(v)
                drupal_session_id[0] = self._drupal_cookie_parse(
                    v, server_name)
        is_ckan_cookie = is_ckan_cookie[0]
        drupal_session_id = drupal_session_id[0]
        return is_ckan_cookie, drupal_session_id

    @staticmethod
    def _drupal_cookie_parse(cookie_string, server_name):
        '''Returns the Drupal Session ID from the cookie string.'''
        cookies = Cookie.SimpleCookie()
        try:
            cookies.load(str(cookie_string))
        except Cookie.CookieError:
            log.error("Received invalid cookie: %s" % cookie_string)
            return False
        similar_cookies = []
        for cookie in cookies:
            if cookie.startswith('SESS'):
                server_hash = hashlib.md5(server_name).hexdigest()
                if cookie == 'SESS%s' % server_hash:
                    log.debug('Drupal cookie found for server request %s',
                              server_name)
                    return cookies[cookie].value
                else:
                    similar_cookies.append(cookie)
        if similar_cookies:
            log.debug(
                'Drupal cookies ignored with incorrect hash for server %r: %r',
                server_name, similar_cookies)
        return None

    @staticmethod
    def _is_this_a_ckan_cookie(cookie_string):
        cookies = Cookie.SimpleCookie()
        try:
            cookies.load(str(cookie_string))
        except Cookie.CookieError:
            log.warning("Received invalid cookie: %s" % cookie_string)
            return False

        if not 'auth_tkt' in cookies:
            return False
        return True

    def _munge_drupal_id_to_ckan_user_name(self, drupal_id):
        drupal_id.lower().replace(' ', '_')
        return u'%s%s' % (self._user_name_prefix, drupal_id)

    def _log_out(self, environ, new_headers):
        # don't progress the user info for this request
        environ['REMOTE_USER'] = None
        environ['repoze.who.identity'] = None
        # tell auth_tkt to logout whilst adding the header to tell
        # the browser to delete the cookie
        identity = {}
        headers = environ['repoze.who.plugins']['dgu_auth_tkt'].forget(
            environ, identity)
        if headers:
            new_headers.extend(headers)
        # Remove cookie from request, so that if we are doing a login again in this request then
        # it is aware of the cookie removal
        #log.debug('Removing cookies from request: %r', environ.get('HTTP_COOKIE', ''))
        cookies = environ.get('HTTP_COOKIE', '').split('; ')
        cookies = '; '.join([
            cookie for cookie in cookies if not cookie.startswith('auth_tkt=')
        ])
        environ['HTTP_COOKIE'] = cookies
        #log.debug('Cookies in request now: %r', environ['HTTP_COOKIE'])

        log.debug('Logged out Drupal user')

    def __call__(self, environ, start_response):
        '''
        Middleware that sets the CKAN logged-in/logged-out status according
        to Drupal's logged-in/logged-out status.

        Every request comes through here before hitting CKAN because it is
        configured as middleware.
        '''
        new_headers = []

        self.do_drupal_login_logout(environ, new_headers)

        #log.debug('New headers: %r', new_headers)
        def cookie_setting_start_response(status, headers, exc_info=None):
            if headers:
                headers.extend(new_headers)
            else:
                headers = new_headers
            return start_response(status, headers, exc_info)

        new_start_response = cookie_setting_start_response

        return self.app(environ, new_start_response)

    def do_drupal_login_logout(self, environ, new_headers):
        '''Looks at cookies and auth_tkt and may tell auth_tkt to log-in or log-out
        to a Drupal user.'''
        is_ckan_cookie, drupal_session_id = self._parse_cookies(environ)

        # Is there a Drupal cookie? We may want to do a log-in for it.
        if drupal_session_id:
            # Look at any authtkt logged in user details
            authtkt_identity = environ.get('repoze.who.identity')
            if authtkt_identity:
                authtkt_user_name = authtkt_identity[
                    'repoze.who.userid']  #same as environ.get('REMOTE_USER', '')
                authtkt_drupal_session_id = authtkt_identity['userdata']
            else:
                authtkt_user_name = ''
                authtkt_drupal_session_id = ''

            if not authtkt_user_name:
                # authtkt not logged in, so log-in with the Drupal cookie
                self._do_drupal_login(environ, drupal_session_id, new_headers)
                return
            elif authtkt_user_name.startswith(self._user_name_prefix):
                # A drupal user is logged in with authtkt.
                # See if that the authtkt matches the drupal cookie's session
                if authtkt_drupal_session_id != drupal_session_id:
                    # Drupal cookie session has changed, so tell authkit to forget the old one
                    # before we do the new login
                    log.debug('Drupal cookie session has changed.')
                    #log.debug('Drupal cookie session has changed from %r to %r.', authtkt_drupal_session_id, drupal_session_id)
                    self._log_out(environ, new_headers)
                    self._do_drupal_login(environ, drupal_session_id,
                                          new_headers)
                    #log.debug('Headers on log-out log-in result: %r', new_headers)
                    return
                else:
                    log.debug('Drupal cookie session stayed the same.')
                    # Drupal cookie session matches the authtkt - leave user logged ini

                    # Just check that authtkt cookie is not too old - in the
                    # mean-time, Drupal may have invalidated the user, for example.
                    if self.is_authtkt_cookie_too_old(authtkt_identity):
                        log.info('Rechecking Drupal cookie')
                        self._log_out(environ, new_headers)
                        self._do_drupal_login(environ, drupal_session_id,
                                              new_headers)
                    return
            else:
                # There's a Drupal cookie, but user is logged in as a normal CKAN user.
                # Ignore the Drupal cookie.
                return
        elif not drupal_session_id and is_ckan_cookie:
            # Deal with the case where user is logged out of Drupal
            # i.e. user WAS were logged in with Drupal and the cookie was
            # deleted (probably because Drupal logged out)

            # Is the logged in user a Drupal user?
            user_name = environ.get('REMOTE_USER', '')
            if user_name and user_name.startswith(self._user_name_prefix):
                log.debug(
                    'Was logged in as Drupal user %r but Drupal cookie no longer there.',
                    user_name)
                self._log_out(environ, new_headers)

    def _do_drupal_login(self, environ, drupal_session_id, new_headers):
        '''Given a Drupal cookie\'s session ID, check it with Drupal, create/modify
        the equivalent CKAN user with properties copied from Drupal and log the
        person in with auth_tkt and its cookie.
        '''
        if self.drupal_client is None:
            self.drupal_client = DrupalClient()
        # ask drupal for the drupal_user_id for this session
        try:
            drupal_user_id = self.drupal_client.get_user_id_from_session_id(
                drupal_session_id)
        except DrupalRequestError, e:
            log.error('Error checking session with Drupal: %s', e)
            return
        if drupal_user_id:
            # ask drupal about this user
            user_properties = self.drupal_client.get_user_properties(
                drupal_user_id)

            # see if user already exists in CKAN
            ckan_user_name = DrupalUserMapping.drupal_id_to_ckan_user_name(
                drupal_user_id)
            from ckan import model
            from ckan.model.meta import Session
            query = Session.query(
                model.User).filter_by(name=unicode(ckan_user_name))
            if not query.count():
                # need to add this user to CKAN

                date_created = datetime.datetime.fromtimestamp(
                    int(user_properties['created']))
                user = model.User(
                    name=ckan_user_name,
                    fullname=unicode(
                        user_properties['name']),  # NB may change in Drupal db
                    about=u'User account imported from Drupal system.',
                    email=user_properties[
                        'mail'],  # NB may change in Drupal db
                    created=date_created,
                )
                Session.add(user)
                Session.commit()
                log.debug('Drupal user added to CKAN as: %s', user.name)
            else:
                user = query.one()
                log.debug('Drupal user found in CKAN: %s', user.name)

            self.set_roles(ckan_user_name, user_properties['roles'].values())

            # There is a chance that on this request we needed to get authtkt
            # to log-out. This would have created headers like this:
            #   'Set-Cookie', 'auth_tkt="INVALID"...'
            # but since we are about to login again, which will create a header
            # setting that same cookie, we need to get rid of the invalidation
            # header first.
            new_headers[:] = [(key, value) for (key, value) in new_headers \
                              if (not (key=='Set-Cookie' and value.startswith('auth_tkt="INVALID"')))]
            #log.debug('Headers reduced to: %r', new_headers)

            # Ask auth_tkt to remember this user so that subsequent requests
            # will be authenticated by auth_tkt.
            # auth_tkt cookie template needs to also go in the response.
            identity = {
                'repoze.who.userid': str(ckan_user_name),
                'tokens': '',
                'userdata': drupal_session_id
            }
            headers = environ['repoze.who.plugins']['dgu_auth_tkt'].remember(
                environ, identity)
            if headers:
                new_headers.extend(headers)

            # Tell app during this request that the user is logged in
            environ['REMOTE_USER'] = user.name
            log.debug('Set REMOTE_USER = %r', user.name)

        else:
            log.debug(
                'Drupal said the session ID found in the cookie is not valid.')
Example #7
0
 def create(cls, **kwargs):
     instance = cls(**kwargs)
     Session.add(instance)
     Session.commit()
     return instance.as_dict()
Example #8
0
 def create(cls, **kwargs):
     instance = cls(**kwargs)
     Session.add(instance)
     Session.commit()
     return instance.as_dict()
Example #9
0
    def __call__(self, environ, start_response):
        if self.drupal_client is None:
            self.drupal_client = DrupalClient()

        # establish from the cookie whether ckan and drupal are signed in
        ckan_signed_in = [False]
        drupal_signed_in = [False]
        for k, v in environ.items():
            key = k.lower()
            if key  == 'http_cookie':
                ckan_signed_in[0] = is_ckan_signed_in(v)
                drupal_signed_in[0] = drupal_extract_cookie(v)
        ckan_signed_in = ckan_signed_in[0]
        drupal_signed_in = drupal_signed_in[0]

        environ['drupal.uid'] = None
        environ['drupal.publishers'] = None
        new_start_response = start_response
        if drupal_signed_in and not ckan_signed_in:
            # get info about the user from drupal and store in environ for
            # use by main CKAN app
            user_id = self.drupal_client.get_user_id_from_session_id(drupal_signed_in)
            res = self.drupal_client.get_user_properties(user_id)
            environ['drupal.uid'] = res['uid']
            environ['drupal.publishers'] = res['publishers']
            environ['drupal.name'] = res['name']

            from ckan import model
            from ckan.model.meta import Session

            def munge(username):
                username.lower().replace(' ', '_')
                return username

            # Add the new Drupal user if they don't already exist.
            query = Session.query(model.User).filter_by(name=unicode(environ['drupal.uid']))
            if not query.count():
                user = model.User(
                    name=munge(unicode(environ['drupal.uid'])), 
                    fullname=unicode(environ['drupal.name']), 
                    about=u'Drupal auto-generated user',
                )
                Session.add(user)
                Session.commit()
            else:
                user = query.one()

            # We want to store values in the user's cookie, so
            # prepare the response header with this value,
            # using auth_tkt to sign it.
            new_header = environ['repoze.who.plugins']['auth_tkt'].remember(
                environ,
                {
                    'repoze.who.userid': environ['drupal.uid'],
                    'tokens': '',
                    'userdata': '',
                }
            )
            # e.g. new_header = [('Set-Cookie', 'bob=ab48fe; Path=/;')]
            cookie_template = new_header[0][1].split('; ')

            cookie_string = ''
            for name, value in [
                ('ckan_apikey', user.apikey),
                ('ckan_display_name', user.fullname),
                ('ckan_user', user.name),
            ]: 
                cookie_string += '; %s="%s"'%(name, value)
                new_cookie = cookie_template[:]
                new_cookie[0] = '%s="%s"'%(name, value)
                new_header.append(('Set-Cookie', str('; '.join(new_cookie))))

            # Also need these cookies to work too:

            # ckan_apikey
            # Value	"3a51edc6-6461-46b8-bfe2-57445cbdeb2b"
            # Host	catalogue.dev.dataco.coi.gov.uk
            # Path	/
            # Secure	No
            # Expires	At End Of Session
            # 
            # 
            # Name	ckan_display_name
            # Value	"James Gardner"
            # Host	catalogue.dev.dataco.coi.gov.uk
            # Path	/
            # Secure	No
            # Expires	At End Of Session
            # 
            # 
            # Name	ckan_user
            # Value	"4466"
            # Host	catalogue.dev.dataco.coi.gov.uk
            # Path	/
            # Secure	No
            # Expires	At End Of Session


            # @@@ Need to add the headers to the request too so that the rest of the stack can sign the user in.

#Cookie: __utma=217959684.178461911.1286034407.1286034407.1286178542.2; __utmz=217959684.1286178542.2.2.utmcsr=google|utmccn=(organic)|utmcmd=organic|utmctr=coi%20london; DRXtrArgs=James+Gardner; DRXtrArgs2=3e174e7f1e1d3fab5ca138c0a023e13a; SESS9854522e7c5dba5831db083c5372623c=4160a72a4d6831abec1ac57d7b5a59eb; auth_tkt="a578c4a0d21bdbde7f80cd271d60b66f4ceabc3f4466!"; ckan_apikey="3a51edc6-6461-46b8-bfe2-57445cbdeb2b"; ckan_display_name="James Gardner"; ckan_user="******"

            # There is a bug(/feature?) in line 628 of Cookie.py that means
            # it can't load from unicode strings. This causes Beaker to fail
            # unless the value here is a string
            if not environ.get('HTTP_COOKIE'):
                environ['HTTP_COOKIE'] += str(cookie_string)
            else:
                environ['HTTP_COOKIE'] = str(cookie_string[2:])

            def cookie_setting_start_response(status, headers, exc_info=None):
                headers += new_header
                return start_response(status, headers, exc_info)
            new_start_response = cookie_setting_start_response
        return self.app(environ, new_start_response)
Example #10
0
 def create(cls, **kwargs):
     esd_function = cls(**kwargs)
     Session.add(esd_function)
     Session.commit()
     return esd_function.as_dict()
Example #11
0
 def add_user_intent(self, user_intent):
     Session.add(user_intent)
     Session.commit()
    def _do_wordpress_login(self, environ, wordpress_session_id, new_headers):
        '''Given a WordPress cookie\'s session ID, check it with WordPress, create/modify
        the equivalent CKAN user with properties copied from WordPress and log the
        person in with auth_tkt and its cookie.
        '''
        if self.wordpress_client is None:
            self.wordpress_client = WordPressClient(environ)
        else:
            # Warning! These must be called, or the user data will quite often be wrong.
            # self.wordpress_client may sometimes be a properly set up object with wrong data.
            self.wordpress_client.reset_data()
            self.wordpress_client.update_cookies(environ)

        # ask wp for the wordpress_user_id for this session
        wordpress_user_id = self.wordpress_client.get_user_id()
        if not wordpress_user_id:
            log.error('WordPress said the session ID found in the cookie is not valid.')
            return

        # ask wp about this user
        user_properties = self.wordpress_client.get_user_properties()

        # see if user already exists in CKAN
        ckan_user_name = WordPressUserMapping.wordpress_id_to_ckan_user_name(wordpress_user_id)

        log.debug('_do_wordpress_login ->')
        log.debug(str(wordpress_session_id))
        log.debug(str(wordpress_user_id))
        log.debug(str(ckan_user_name))
        log.debug('<- _do_wordpress_login')

        from ckan import model
        from ckan.model.meta import Session
        query = Session.query(model.User).filter_by(name=unicode(ckan_user_name))
        if not query.count():
            # need to add this user to CKAN
            #raise Exception('Got this userdata:' + str(user_properties))
            # http://stackoverflow.com/questions/1697815/how-do-you-convert-a-python-time-struct-time-object-into-a-datetime-object
            def convertSQLDateTimeToDatetime(value):
                return datetime.datetime.fromtimestamp(time.mktime(time.strptime(value, '%Y-%m-%d %H:%M:%S')))

            date_created = convertSQLDateTimeToDatetime(user_properties['data']['user_registered'])
            user = model.User(
                name=ckan_user_name,
                fullname=unicode(user_properties['data']['display_name']),  # NB may change in WordPress db
                about=u'User account imported from WordPress system.',
                email=user_properties['data']['user_email'], # NB may change in WordPress db
                created=date_created,
            )
            Session.add(user)
            Session.commit()
            log.debug('WordPress user added to CKAN as: %s', user.name)
        else:
            user = query.one()
            log.debug('WordPress user found in CKAN: %s for ckan_user_name: %s', user.name, ckan_user_name)

        self.set_roles(ckan_user_name, user_properties['roles'])

        # There is a chance that on this request we needed to get authtkt
        # to log-out. This would have created headers like this:
        #   'Set-Cookie', 'auth_tkt="INVALID"...'
        # but since we are about to login again, which will create a header
        # setting that same cookie, we need to get rid of the invalidation
        # header first.
        new_headers[:] = [(key, value) for (key, value) in new_headers \
                            if (not (key=='Set-Cookie' and value.startswith('auth_tkt="INVALID"')))]
        #log.debug('Headers reduced to: %r', new_headers)

        # Ask auth_tkt to remember this user so that subsequent requests
        # will be authenticated by auth_tkt.
        # auth_tkt cookie template needs to also go in the response.
        identity = {'repoze.who.userid': str(ckan_user_name),
                    'tokens': '',
                    'userdata': wordpress_session_id}
        headers = environ['repoze.who.plugins']['hri_auth_tkt'].remember(environ, identity)
        if headers:
            new_headers.extend(headers)

        # Tell app during this request that the user is logged in
        environ['REMOTE_USER'] = user.name
        log.debug('Set REMOTE_USER = %r', user.name)
Example #13
0
 def save(self):
     Session.add(self)
     Session.commit()
     return self.as_dict()
Example #14
0
    def __call__(self, environ, start_response):
        if self.drupal_client is None:
            self.drupal_client = DrupalClient()

        # establish from the cookie whether ckan and drupal are signed in
        ckan_signed_in = [False]
        drupal_signed_in = [False]
        for k, v in environ.items():
            key = k.lower()
            if key == 'http_cookie':
                ckan_signed_in[0] = is_ckan_signed_in(v)
                drupal_signed_in[0] = drupal_extract_cookie(v)
        ckan_signed_in = ckan_signed_in[0]
        drupal_signed_in = drupal_signed_in[0]

        environ['drupal.uid'] = None
        environ['drupal.publishers'] = None
        new_start_response = start_response
        if drupal_signed_in and not ckan_signed_in:
            # get info about the user from drupal and store in environ for
            # use by main CKAN app
            user_id = self.drupal_client.get_user_id_from_session_id(
                drupal_signed_in)
            res = self.drupal_client.get_user_properties(user_id)
            environ['drupal.uid'] = res['uid']
            environ['drupal.publishers'] = res['publishers']
            environ['drupal.name'] = res['name']

            from ckan import model
            from ckan.model.meta import Session

            def munge(username):
                username.lower().replace(' ', '_')
                return username

            # Add the new Drupal user if they don't already exist.
            query = Session.query(
                model.User).filter_by(name=unicode(environ['drupal.uid']))
            if not query.count():
                user = model.User(
                    name=munge(unicode(environ['drupal.uid'])),
                    fullname=unicode(environ['drupal.name']),
                    about=u'Drupal auto-generated user',
                )
                Session.add(user)
                Session.commit()
            else:
                user = query.one()

            # We want to store values in the user's cookie, so
            # prepare the response header with this value,
            # using auth_tkt to sign it.
            new_header = environ['repoze.who.plugins']['auth_tkt'].remember(
                environ, {
                    'repoze.who.userid': environ['drupal.uid'],
                    'tokens': '',
                    'userdata': '',
                })
            # e.g. new_header = [('Set-Cookie', 'bob=ab48fe; Path=/;')]
            cookie_template = new_header[0][1].split('; ')

            cookie_string = ''
            for name, value in [
                ('ckan_apikey', user.apikey),
                ('ckan_display_name', user.fullname),
                ('ckan_user', user.name),
            ]:
                cookie_string += '; %s="%s"' % (name, value)
                new_cookie = cookie_template[:]
                new_cookie[0] = '%s="%s"' % (name, value)
                new_header.append(('Set-Cookie', str('; '.join(new_cookie))))

            # Also need these cookies to work too:

            # ckan_apikey
            # Value	"3a51edc6-6461-46b8-bfe2-57445cbdeb2b"
            # Host	catalogue.dev.dataco.coi.gov.uk
            # Path	/
            # Secure	No
            # Expires	At End Of Session
            #
            #
            # Name	ckan_display_name
            # Value	"James Gardner"
            # Host	catalogue.dev.dataco.coi.gov.uk
            # Path	/
            # Secure	No
            # Expires	At End Of Session
            #
            #
            # Name	ckan_user
            # Value	"4466"
            # Host	catalogue.dev.dataco.coi.gov.uk
            # Path	/
            # Secure	No
            # Expires	At End Of Session

            # @@@ Need to add the headers to the request too so that the rest of the stack can sign the user in.

#Cookie: __utma=217959684.178461911.1286034407.1286034407.1286178542.2; __utmz=217959684.1286178542.2.2.utmcsr=google|utmccn=(organic)|utmcmd=organic|utmctr=coi%20london; DRXtrArgs=James+Gardner; DRXtrArgs2=3e174e7f1e1d3fab5ca138c0a023e13a; SESS9854522e7c5dba5831db083c5372623c=4160a72a4d6831abec1ac57d7b5a59eb; auth_tkt="a578c4a0d21bdbde7f80cd271d60b66f4ceabc3f4466!"; ckan_apikey="3a51edc6-6461-46b8-bfe2-57445cbdeb2b"; ckan_display_name="James Gardner"; ckan_user="******"

# There is a bug(/feature?) in line 628 of Cookie.py that means
# it can't load from unicode strings. This causes Beaker to fail
# unless the value here is a string
            if not environ.get('HTTP_COOKIE'):
                environ['HTTP_COOKIE'] += str(cookie_string)
            else:
                environ['HTTP_COOKIE'] = str(cookie_string[2:])

            def cookie_setting_start_response(status, headers, exc_info=None):
                headers += new_header
                return start_response(status, headers, exc_info)

            new_start_response = cookie_setting_start_response
        return self.app(environ, new_start_response)
Example #15
0
    def _do_wordpress_login(self, environ, wordpress_session_id, new_headers):
        '''Given a WordPress cookie\'s session ID, check it with WordPress, create/modify
        the equivalent CKAN user with properties copied from WordPress and log the
        person in with auth_tkt and its cookie.
        '''
        if self.wordpress_client is None:
            self.wordpress_client = WordPressClient(environ)
        else:
            # Warning! These must be called, or the user data will quite often be wrong.
            # self.wordpress_client may sometimes be a properly set up object with wrong data.
            self.wordpress_client.reset_data()
            self.wordpress_client.update_cookies(environ)

        # ask wp for the wordpress_user_id for this session
        wordpress_user_id = self.wordpress_client.get_user_id()
        if not wordpress_user_id:
            log.error(
                'WordPress said the session ID found in the cookie is not valid.'
            )
            return

        # ask wp about this user
        user_properties = self.wordpress_client.get_user_properties()

        # see if user already exists in CKAN
        ckan_user_name = WordPressUserMapping.wordpress_id_to_ckan_user_name(
            wordpress_user_id)

        log.debug('_do_wordpress_login ->')
        log.debug(str(wordpress_session_id))
        log.debug(str(wordpress_user_id))
        log.debug(str(ckan_user_name))
        log.debug('<- _do_wordpress_login')

        from ckan import model
        from ckan.model.meta import Session
        query = Session.query(
            model.User).filter_by(name=unicode(ckan_user_name))
        if not query.count():
            # need to add this user to CKAN
            #raise Exception('Got this userdata:' + str(user_properties))
            # http://stackoverflow.com/questions/1697815/how-do-you-convert-a-python-time-struct-time-object-into-a-datetime-object
            def convertSQLDateTimeToDatetime(value):
                return datetime.datetime.fromtimestamp(
                    time.mktime(time.strptime(value, '%Y-%m-%d %H:%M:%S')))

            date_created = convertSQLDateTimeToDatetime(
                user_properties['data']['user_registered'])
            user = model.User(
                name=ckan_user_name,
                fullname=unicode(
                    user_properties['data']
                    ['display_name']),  # NB may change in WordPress db
                about=u'User account imported from WordPress system.',
                email=user_properties['data']
                ['user_email'],  # NB may change in WordPress db
                created=date_created,
            )
            Session.add(user)
            Session.commit()
            log.debug('WordPress user added to CKAN as: %s', user.name)
        else:
            user = query.one()
            log.debug(
                'WordPress user found in CKAN: %s for ckan_user_name: %s',
                user.name, ckan_user_name)

        self.set_roles(ckan_user_name, user_properties['roles'])

        # There is a chance that on this request we needed to get authtkt
        # to log-out. This would have created headers like this:
        #   'Set-Cookie', 'auth_tkt="INVALID"...'
        # but since we are about to login again, which will create a header
        # setting that same cookie, we need to get rid of the invalidation
        # header first.
        new_headers[:] = [(key, value) for (key, value) in new_headers \
                            if (not (key=='Set-Cookie' and value.startswith('auth_tkt="INVALID"')))]
        #log.debug('Headers reduced to: %r', new_headers)

        # Ask auth_tkt to remember this user so that subsequent requests
        # will be authenticated by auth_tkt.
        # auth_tkt cookie template needs to also go in the response.
        identity = {
            'repoze.who.userid': str(ckan_user_name),
            'tokens': '',
            'userdata': wordpress_session_id
        }
        headers = environ['repoze.who.plugins']['hri_auth_tkt'].remember(
            environ, identity)
        if headers:
            new_headers.extend(headers)

        # Tell app during this request that the user is logged in
        environ['REMOTE_USER'] = user.name
        log.debug('Set REMOTE_USER = %r', user.name)