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# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""The RequestHandler for /upload URLs."""
import os
import tornado.web
import urlparse
import handlers.base as hbase
import handlers.common as hcommon
import handlers.response as hresponse
import models
import utils.upload
class UploadHandler(hbase.BaseHandler):
"""Handler the /upload URLs."""
def __init__(self, application, request, **kwargs):
super(UploadHandler, self).__init__(application, request, **kwargs)
@property
def collection(self):
return self.db[models.UPLOAD_COLLECTION]
@property
def content_type(self):
return "multipart/form-data"
def execute_get(self, *args, **kwargs):
"""Execute the GET pre-operations.
Checks that everything is OK to perform a GET.
"""
response = None
if self.validate_req_token("GET"):
response = hresponse.HandlerResponse(501)
else:
response = hresponse.HandlerResponse(403)
response.reason = hcommon.NOT_VALID_TOKEN
return response
def execute_delete(self, *args, **kwargs):
"""Perform DELETE pre-operations.
Check that the DELETE request is OK.
"""
# TODO: in the future we need to enable delete as well.
response = None
if self.validate_req_token("DELETE"):
response = hresponse.HandlerResponse(501)
else:
response = hresponse.HandlerResponse(403)
response.reason = hcommon.NOT_VALID_TOKEN
return response
def execute_post(self, *args, **kwargs):
"""Execute the POST pre-operations.
Checks that everything is OK to perform a POST.
"""
response = None
if self.validate_req_token("POST"):
valid_request = self._valid_post_request()
if valid_request == 200:
path = self.get_argument("path", None)
if path is None:
try:
job = self.get_argument(models.JOB_KEY)
kernel = self.get_argument(models.KERNEL_KEY)
defconfig = self.get_argument(models.DEFCONFIG_KEY)
defconfig_full = self.get_argument(
models.DEFCONFIG_FULL, default=None)
arch = self.get_argument(models.ARCHITECTURE_KEY)
lab = self.get_argument(
models.LAB_NAME_KEY, default=None)
defconfig_path = "-".join(
[arch, (defconfig_full or defconfig)])
path = os.path.join(job, kernel, defconfig_path)
if lab is not None:
path = os.path.join(path, lab)
except tornado.web.MissingArgumentError, ex:
self.log.exception(ex)
response = hresponse.HandlerResponse(
ex.status_code)
response.reason = ex.log_message
if path:
if not path.endswith("/"):
path += "/"
if path.startswith("/"):
path = path[1:]
if utils.upload.is_valid_dir_path(path):
ret_val, reason = \
utils.upload.check_or_create_upload_dir(path)
if ret_val == 200:
response = self._save_files(path)
else:
response = hresponse.HandlerResponse(ret_val)
response.reason = reason
else:
response = hresponse.HandlerResponse(400)
response.reason = "Provided path is not a directory"
else:
response = hresponse.HandlerResponse(valid_request)
response.reason = (
"%s: %s" %
(
self._get_status_message(valid_request),
"Use %s as the content type" % self.content_type
)
)
else:
response = hresponse.HandlerResponse(403)
response.reason = hcommon.NOT_VALID_TOKEN
return response
def _put(self, *args, **kwargs):
response = hresponse.HandlerResponse(201)
if kwargs and kwargs.get("path", None):
path = kwargs["path"]
# Path points to a file, treat it like that.
if path.endswith("/"):
path = path[:-1]
if path.startswith("/"):
path = path[1:]
filename = os.path.basename(path)
dir_path = os.path.dirname(path)
if utils.upload.is_valid_dir_path(dir_path):
ret_val, error = \
utils.upload.check_or_create_file_upload_dir(dir_path)
if ret_val == 200:
prev_file = utils.upload.file_exists(path)
ret_dict = utils.upload.create_or_update_file(
dir_path, filename, None, self.request.body)
if ret_dict["status"] == 200:
if prev_file:
response.status_code = 200
response.reason = (
"File '%s' replaced with new content" %
filename
)
else:
response.reason = "File '%s' saved" % filename
location = self._create_storage_url(path)
response.headers = {"Location": location}
else:
response.status_code = ret_dict["status"]
response.reason = "Unable to save file"
response.result = [ret_dict]
else:
response.status_code = ret_val
response.reason = error
else:
response.status_code = 500
response.reason = (
"Cannot save file at the provided '%s' destination" % path)
else:
response.status_code = 400
response.reason = "Missing destination path"
return response
def _create_storage_url(self, path):
"""Create the new storage location for the uploaded file.
:param path: The path of the file.
:type path: str
:return The new storage URL.
"""
storage_url = self.settings["storage_url"]
new_storage_url = None
if storage_url:
split_url = urlparse.urlsplit(self.settings["storage_url"])
new_storage_url = urlparse.urlunsplit(
(
split_url.scheme, split_url.netloc, path, split_url.query,
split_url.fragment
)
)
return new_storage_url
def _save_files(self, path):
"""Parse the request and for each file, save it.
:param path: The directory path where to save the files.
:type str
:return A `HandlerResponse` object.
"""
response = hresponse.HandlerResponse()
if self.request.files:
response.result = [
utils.upload.create_or_update_file(
path,
u_file[0]["filename"],
u_file[0]["content_type"],
u_file[0]["body"]
)
for u_file in self.request.files.itervalues()
]
else:
response.status_code = 400
response.reason = "No files provided"
return response
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