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onedrive_factory.py
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Thu, Nov 14, 03:40

onedrive_factory.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.
"""
Factory for OneDrive
--------------------
Please note, when using onedrive and this factory the redirect url has
to be a real web site e.g. "https://invenio.com" and not localhost.
"""
from onedrive import api_v5
from fs.errors import ResourceNotFoundError
from invenio.base.globals import cfg
from invenio.ext.fs.cloudfs.onedrivefs import OneDriveFS
from invenio.ext.sqlalchemy import db
from invenio.modules.accounts.models import User
from invenio.modules.cloudconnector.errors import (CloudRedirectUrl,
ErrorBuildingFS)
class Factory(object):
"""OneDrive Factory"""
def build_fs(self, current_user, credentials, root=None,
callback_url=None, request=None, session=None):
"""Builds OneDrive filesystem."""
if root == "/":
root = cfg['CFG_ONEDRIVE_ROOT']
if credentials.get('access_token') is not None:
try:
filesystem = OneDriveFS(root, credentials)
filesystem.about()
filesystem.getinfo(root)
return filesystem
except ResourceNotFoundError:
if(root != "/"):
filesystem = OneDriveFS("/", credentials)
# Fix for onedrive, if a folder with the same name exists
# it returns a 400 error, but that error is returned in
# most cases so it's impossible to know what happened.
# This is a monkey workaround, where I hope that
# this folder already exits
try:
resp = filesystem.makedir("/invenio")
filesystem = OneDriveFS(resp, credentials)
credentials['root'] = resp
self._update_cloudutils_settings(
current_user, {'onedrive': credentials})
return filesystem
except:
filesystem = OneDriveFS("/", credentials)
info = filesystem.listdirinfo()
for one in info:
if one[1]['title'] == "invenio":
credentials['root'] = one[1]['id']
break
self._update_cloudutils_settings(
current_user, {'onedrive': credentials})
raise ErrorBuildingFS()
except:
new_data = {
'onedrive': {
'access_token': None,
'refresh_token': None,
'redirect_uri': None,
'scope': None,
'client_id': None,
'client_secret': None,
'root': credentials.get("root", "/")
}
}
self._update_cloudutils_settings(current_user, new_data)
x = api_v5.OneDriveAPI()
x.auth_redirect_uri = callback_url
x.client_id = cfg['CFG_ONEDRIVE_CLIENT_ID']
x.client_secret = cfg['CFG_ONEDRIVE_CLIENT_SECRET']
x.auth_scope = cfg['CFG_ONEDRIVE_SCOPE']
url = x.auth_user_get_url()
raise CloudRedirectUrl(url)
elif 'code' in request.args:
try:
x = api_v5.OneDriveAPI()
x.auth_redirect_uri = callback_url
x.client_id = cfg['CFG_ONEDRIVE_CLIENT_ID']
x.client_secret = cfg['CFG_ONEDRIVE_CLIENT_SECRET']
x.auth_scope = cfg['CFG_ONEDRIVE_SCOPE']
x.auth_code = request.args['code']
x.auth_get_token()
credentials_new = {'access_token': x.auth_access_token,
'refresh_token': x.auth_refresh_token,
}
except Exception as exc:
raise ErrorBuildingFS(exc)
new_data = {
'onedrive': {
'access_token': credentials_new['access_token'],
'refresh_token': credentials_new['refresh_token'],
'redirect_uri': callback_url,
'scope': cfg['CFG_ONEDRIVE_SCOPE'],
'client_id': cfg['CFG_ONEDRIVE_CLIENT_ID'],
'client_secret': cfg['CFG_ONEDRIVE_CLIENT_SECRET'],
'root': credentials.get("root", "/")
}
}
self._update_cloudutils_settings(current_user, new_data)
return self.build_fs(current_user, new_data.get('onedrive'),
new_data.get('onedrive').get('root'),
callback_url, None, session)
elif callback_url is not None:
new_data = {'onedrive': {
'access_token': None,
'refresh_token': None,
'redirect_uri': None,
'scope': None,
'client_id': None,
'client_secret': None,
'root': credentials.get("root", "/")
}
}
self._update_cloudutils_settings(current_user, new_data)
x = api_v5.OneDriveAPI()
x.auth_redirect_uri = callback_url
x.client_id = cfg['CFG_ONEDRIVE_CLIENT_ID']
x.client_secret = cfg['CFG_ONEDRIVE_CLIENT_SECRET']
x.auth_scope = cfg['CFG_ONEDRIVE_SCOPE']
url = x.auth_user_get_url()
raise CloudRedirectUrl(url)
else:
raise ErrorBuildingFS(
"Insufficient data provided to the cloud builder")
def _update_cloudutils_settings(self, current_user, new_data):
"""Updates cloudutils settings for current user."""
user = User.query.get(current_user.get_id())
settings = user.settings
cloudutils_settings = settings.get("cloudutils_settings")
if cloudutils_settings:
cloudutils_settings.update(new_data)
settings.update(settings)
else:
settings.update({"cloudutils_settings": new_data})
user.settings = settings
db.session.merge(user)
db.session.commit()
current_user.reload()

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