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dropbox.py
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dropbox.py
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# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2013, 2014 CERN.
#
# Invenio is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# Invenio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Invenio; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""DropBox Filesystem Factory.
A factory for dropbox file system.
You might need to add following config variable::
OAUTHCLIENT_REMOTE_APPS = dict(
dropbox=dict( # name of remote app used in urls
title='Dropbox', # This is used in the linked account view to
# display a name and a description.
description='Data collaboration platform.',
icon='fa fa-dropbox',
params=dict(
request_token_params={},
# usually important to define which scopes you want to request.
base_url='https://api.dropbox.com/',
request_token_url=None,
access_token_url="https://api.dropbox.com/1/oauth2/token",
authorize_url="https://www.dropbox.com/1/oauth2/authorize",
access_token_method='POST',
app_key="DROPBOX_APP_CREDENTIALS",
# defines which other config variable stores the client
# key/secret (oauth1 calls this consumer key/secret)
)
),
)
DROPBOX_APP_CREDENTIALS = dict(
consumer_key="changeme",
consumer_secret="changeme",
)
"""
from flask import url_for
from fs.errors import ResourceNotFoundError
from invenio.ext.fs.cloudfs.dropboxfs import DropboxFS
from invenio.modules.cloudconnector.errors import CloudRedirectUrl
from invenio.modules.oauthclient.models import RemoteToken
from invenio.modules.oauthclient.views.client import oauth
class Factory(object):
"""Dropbox Factory."""
def build_fs(self, current_user, credentials, root=None,
callback_url=None, request=None, session=None):
"""Build dropbox filesystem."""
url = url_for('oauthclient.login', remote_app='dropbox')
client_id = oauth.remote_apps['dropbox'].consumer_key
user_id = current_user.get_id()
token = RemoteToken.get(user_id, client_id)
if token is not None:
credentials = {'access_token': token.access_token}
try:
filesystem = DropboxFS(root, credentials)
filesystem.about()
return filesystem
except ResourceNotFoundError:
if(root != "/"):
filesystem = DropboxFS("/", credentials)
filesystem.makedir(root, recursive=True)
filesystem = DropboxFS(root, credentials)
return filesystem
except:
raise CloudRedirectUrl(url, __name__)
else:
raise CloudRedirectUrl(url, __name__)

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