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Filename : post.py
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# #
# Copyright (c) 2005-2017 Apple Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# #


"""
CalDAV POST method.
"""

__all__ = ["http_POST"]

from txweb2 import responsecode
from txweb2.http import HTTPError

from twext.python.log import Logger

from twisted.internet.defer import inlineCallbacks, returnValue

from twistedcaldav.config import config

log = Logger()


@inlineCallbacks
def http_POST(self, request):

    # POST can only target an existing resource
    if not self.exists():
        log.error("Resource not found: {s!r}", s=self)
        raise HTTPError(responsecode.NOT_FOUND)

    # POST can support many different APIs

    # First look at query params
    if request.params:
        if request.params == "add-member":
            if config.EnableAddMember and hasattr(self, "POST_handler_add_member"):
                request.submethod = "add-member"
                result = (yield self.POST_handler_add_member(request))
                returnValue(result)

    # Look for query arguments
    if request.args:
        action = request.args.get("action", ("",))
        if len(action) == 1:
            action = action[0]
            if hasattr(self, "POST_handler_action"):
                request.submethod = action
                result = (yield self.POST_handler_action(request, action))
                returnValue(result)

    # Content-type handlers
    contentType = request.headers.getHeader("content-type")
    if contentType:
        if hasattr(self, "POST_handler_content_type"):
            result = (yield self.POST_handler_content_type(request, (contentType.mediaType, contentType.mediaSubtype)))
            returnValue(result)

    returnValue(responsecode.FORBIDDEN)