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# Copyright (C) 2012-2014 Aleksey Lim
#
# This program 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 3 of the License, or
# (at your option) any later version.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
import logging
from os.path import join
from sugar_network import db
from sugar_network.model import FrontRoutes, load_bundle
from sugar_network.node import model
# pylint: disable-msg=W0611
from sugar_network.toolkit.router import route, postroute, ACL, File
from sugar_network.toolkit.router import Request, fallbackroute, preroute
from sugar_network.toolkit.spec import parse_requires, parse_version
from sugar_network.toolkit.bundle import Bundle
from sugar_network.toolkit.coroutine import this
from sugar_network.toolkit import http, coroutine, enforce
_logger = logging.getLogger('node.routes')
class NodeRoutes(db.Routes, FrontRoutes):
def __init__(self, guid, auth=None, **kwargs):
db.Routes.__init__(self, **kwargs)
FrontRoutes.__init__(self)
self._guid = guid
self._auth = auth
@property
def guid(self):
return self._guid
@preroute
def preroute(self, op):
request = this.request
if request.principal:
this.principal = request.principal
elif op.acl & ACL.AUTH:
this.principal = self._auth.logon(request)
else:
this.principal = None
if op.acl & ACL.AUTHOR and request.guid:
if not this.principal:
this.principal = self._auth.logon(request)
allowed = this.principal.admin
if not allowed:
if request.resource == 'user':
allowed = (this.principal == request.guid)
else:
doc = self.volume[request.resource].get(request.guid)
allowed = this.principal in doc['author']
enforce(allowed, http.Forbidden, 'Authors only')
if op.acl & ACL.SUPERUSER:
if not this.principal:
this.principal = self._auth.logon(request)
enforce(this.principal.admin, http.Forbidden, 'Superusers only')
@route('GET', cmd='whoami', mime_type='application/json')
def whoami(self):
roles = []
if this.principal and this.principal.admin:
roles.append('root')
return {'roles': roles,
'guid': this.principal,
'route': 'direct',
}
@route('GET', cmd='status', mime_type='application/json')
def status(self):
return {'guid': self.guid,
'seqno': {
'db': self.volume.seqno.value,
'releases': self.volume.releases_seqno.value,
},
}
@route('POST', ['user'], mime_type='application/json')
def register(self):
# To avoid authentication while registering new user
self.create()
@fallbackroute('GET', ['packages'])
def route_packages(self):
path = this.request.path
if path and path[-1] == 'updates':
result = []
last_modified = 0
for blob in self.volume.blobs.diff(
[[this.request.if_modified_since + 1, None]],
join(*path[:-1]), recursive=False):
if '.' in blob.name:
continue
result.append(blob.name)
last_modified = max(last_modified, blob.mtime)
this.response.content_type = 'application/json'
if last_modified:
this.response.last_modified = last_modified
return result
blob = self.volume.blobs.get(join(*path))
if isinstance(blob, File):
return blob
else:
this.response.content_type = 'application/json'
return [i.name for i in blob if '.' not in i.name]
@route('POST', ['context'], cmd='submit',
arguments={'initial': False},
mime_type='application/json', acl=ACL.AUTH)
def submit_release(self, initial):
blob = self.volume.blobs.post(
this.request.content_stream, this.request.content_type)
try:
context, release = load_bundle(blob, initial=initial)
except Exception:
self.volume.blobs.delete(blob.digest)
raise
this.call(method='POST', path=['context', context, 'releases'],
content_type='application/json', content=release)
return blob.digest
@route('GET', ['context', None], cmd='solve',
arguments={'requires': list, 'stability': list},
mime_type='application/json')
def solve(self):
solution = model.solve(self.volume, this.request.guid, **this.request)
enforce(solution is not None, 'Failed to solve')
return solution
@route('GET', ['context', None], cmd='resolve',
arguments={'requires': list, 'stability': list})
def resolve(self):
solution = self.solve()
return self.volume.blobs.get(solution[this.request.guid]['blob'])
this.principal = None
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