port s3server to eventlet/wsgi
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termie
parent
47592e504c
commit
d7835f81c4
@ -36,9 +36,10 @@ if os.path.exists(os.path.join(possible_topdir, 'nova', '__init__.py')):
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gettext.install('nova', unicode=1)
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from nova import flags
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from nova import log as logging
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from nova import utils
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from nova import twistd
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from nova.objectstore import handler
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from nova import wsgi
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from nova.objectstore import s3server
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FLAGS = flags.FLAGS
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@ -46,7 +47,9 @@ FLAGS = flags.FLAGS
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if __name__ == '__main__':
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utils.default_flagfile()
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twistd.serve(__file__)
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if __name__ == '__builtin__':
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application = handler.get_application() # pylint: disable=C0103
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FLAGS(sys.argv)
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logging.setup()
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router = s3server.S3Application(FLAGS.buckets_path)
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server = wsgi.Server()
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server.start(router, FLAGS.s3_port, host=FLAGS.s3_host)
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server.wait()
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@ -1,5 +1,8 @@
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#!/usr/bin/env python
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# Copyright 2010 OpenStack LLC.
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# Copyright 2009 Facebook
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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@ -38,56 +41,92 @@ import os
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import os.path
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import urllib
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from tornado import escape
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from tornado import httpserver
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from tornado import ioloop
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from tornado import web
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import routes
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import webob
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def start(port, root_directory="/tmp/s3", bucket_depth=0):
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"""Starts the mock S3 server on the given port at the given path."""
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application = S3Application(root_directory, bucket_depth)
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http_server = httpserver.HTTPServer(application)
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http_server.listen(port)
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ioloop.IOLoop.instance().start()
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from nova import flags
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from nova import log as logging
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from nova import utils
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from nova import wsgi
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class S3Application(web.Application):
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FLAGS = flags.FLAGS
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flags.DEFINE_string('buckets_path', '$state_path/buckets',
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'path to s3 buckets')
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class S3Application(wsgi.Router):
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"""Implementation of an S3-like storage server based on local files.
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If bucket depth is given, we break files up into multiple directories
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to prevent hitting file system limits for number of files in each
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directories. 1 means one level of directories, 2 means 2, etc.
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"""
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def __init__(self, root_directory, bucket_depth=0):
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web.Application.__init__(self, [
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(r"/", RootHandler),
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(r"/([^/]+)/(.+)", ObjectHandler),
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(r"/([^/]+)/", BucketHandler),
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])
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def __init__(self, root_directory, bucket_depth=0, mapper=None):
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if mapper is None:
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mapper = routes.Mapper()
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mapper.connect('/', controller=RootHandler(self))
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#controller=lambda *a, **kw: RootHandler(self)(*a, **kw))
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mapper.connect('/{bucket_name}/{object_name}',
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controller=lambda *a, **kw: ObjectHandler(self)(*a, **kw))
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mapper.connect('/{bucket_name}/',
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controller=lambda *a, **kw: BucketHandler(self)(*a, **kw))
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self.directory = os.path.abspath(root_directory)
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if not os.path.exists(self.directory):
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os.makedirs(self.directory)
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self.bucket_depth = bucket_depth
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super(S3Application, self).__init__(mapper)
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class BaseRequestHandler(web.RequestHandler):
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SUPPORTED_METHODS = ("PUT", "GET", "DELETE")
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class BaseRequestHandler(wsgi.Controller):
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def __init__(self, application):
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self.application = application
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@webob.dec.wsgify
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def __call__(self, request):
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logging.debug('GOT HERE')
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method = request.method.lower()
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f = getattr(self, method, self.invalid)
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self.request = request
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self.response = webob.Response()
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params = request.environ['wsgiorg.routing_args'][1]
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del params['controller']
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f(**params)
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return self.response
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def get_argument(self, arg, default):
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return self.request.str_params.get(arg, default)
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def set_header(self, header, value):
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self.response.headers[header] = value
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def set_status(self, status_code):
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self.response.status = status_code
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def finish(self, body=''):
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self.response.body = utils.utf8(body)
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def invalid(self, request, **kwargs):
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pass
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def render_xml(self, value):
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assert isinstance(value, dict) and len(value) == 1
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self.set_header("Content-Type", "application/xml; charset=UTF-8")
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name = value.keys()[0]
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parts = []
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parts.append('<' + escape.utf8(name) +
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parts.append('<' + utils.utf8(name) +
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' xmlns="http://doc.s3.amazonaws.com/2006-03-01">')
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self._render_parts(value.values()[0], parts)
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parts.append('</' + escape.utf8(name) + '>')
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parts.append('</' + utils.utf8(name) + '>')
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self.finish('<?xml version="1.0" encoding="UTF-8"?>\n' +
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''.join(parts))
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def _render_parts(self, value, parts=[]):
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if isinstance(value, basestring):
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parts.append(escape.xhtml_escape(value))
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parts.append(utils.xhtml_escape(value))
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elif isinstance(value, int) or isinstance(value, long):
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parts.append(str(value))
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elif isinstance(value, datetime.datetime):
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@ -97,9 +136,9 @@ class BaseRequestHandler(web.RequestHandler):
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if not isinstance(subvalue, list):
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subvalue = [subvalue]
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for subsubvalue in subvalue:
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parts.append('<' + escape.utf8(name) + '>')
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parts.append('<' + utils.utf8(name) + '>')
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self._render_parts(subsubvalue, parts)
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parts.append('</' + escape.utf8(name) + '>')
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parts.append('</' + utils.utf8(name) + '>')
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else:
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raise Exception("Unknown S3 value type %r", value)
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@ -142,7 +181,7 @@ class BucketHandler(BaseRequestHandler):
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terse = int(self.get_argument("terse", 0))
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if not path.startswith(self.application.directory) or \
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not os.path.isdir(path):
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raise web.HTTPError(404)
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raise webob.exc.HTTPError(404)
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object_names = []
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for root, dirs, files in os.walk(path):
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for file_name in files:
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@ -192,7 +231,7 @@ class BucketHandler(BaseRequestHandler):
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self.application.directory, bucket_name))
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if not path.startswith(self.application.directory) or \
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os.path.exists(path):
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raise web.HTTPError(403)
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raise webob.exc.HTTPError(403)
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os.makedirs(path)
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self.finish()
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@ -201,9 +240,9 @@ class BucketHandler(BaseRequestHandler):
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self.application.directory, bucket_name))
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if not path.startswith(self.application.directory) or \
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not os.path.isdir(path):
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raise web.HTTPError(404)
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raise webob.exc.HTTPError(404)
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if len(os.listdir(path)) > 0:
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raise web.HTTPError(403)
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raise webob.exc.HTTPError(403)
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os.rmdir(path)
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self.set_status(204)
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self.finish()
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@ -215,7 +254,7 @@ class ObjectHandler(BaseRequestHandler):
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path = self._object_path(bucket, object_name)
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if not path.startswith(self.application.directory) or \
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not os.path.isfile(path):
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raise web.HTTPError(404)
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raise webob.exc.HTTPError(404)
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info = os.stat(path)
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self.set_header("Content-Type", "application/unknown")
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self.set_header("Last-Modified", datetime.datetime.utcfromtimestamp(
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@ -232,10 +271,10 @@ class ObjectHandler(BaseRequestHandler):
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self.application.directory, bucket))
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if not bucket_dir.startswith(self.application.directory) or \
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not os.path.isdir(bucket_dir):
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raise web.HTTPError(404)
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raise webob.exc.HTTPError(404)
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path = self._object_path(bucket, object_name)
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if not path.startswith(bucket_dir) or os.path.isdir(path):
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raise web.HTTPError(403)
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raise webob.exc.HTTPError(403)
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directory = os.path.dirname(path)
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if not os.path.exists(directory):
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os.makedirs(directory)
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@ -249,7 +288,7 @@ class ObjectHandler(BaseRequestHandler):
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path = self._object_path(bucket, object_name)
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if not path.startswith(self.application.directory) or \
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not os.path.isfile(path):
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raise web.HTTPError(404)
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raise webob.exc.HTTPError(404)
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os.unlink(path)
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self.set_status(204)
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self.finish()
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