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# -*- coding: utf-8 -*-
###################################################################################
#
# Copyright (C) 2017 MuK IT GmbH
#
# 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/>.
#
###################################################################################
import os
import json
import email
import base64
import urllib
import logging
import mimetypes
import collections
import werkzeug.exceptions
from urllib.parse import urlparse
from urllib.parse import parse_qsl
from odoo import _
from odoo import tools
from odoo import http
from odoo.http import request
from odoo.http import Response
_logger = logging.getLogger(__name__)
try:
import requests
except ImportError:
_logger.warn('Cannot `import requests`.')
try:
from cachetools import TTLCache
mail_cache = TTLCache(maxsize=50, ttl=600)
except ImportError:
_logger.warn('Cannot `import cachetools`.')
class MailParserController(http.Controller):
_Attachment = collections.namedtuple('Attachment', 'name mimetype extension url info')
@http.route('/web/preview/converter/mail', auth="user", type='http')
def parse_mail(self, url, attachment=None, force_compute=False, **kw):
try:
message = mail_cache[url] if not force_compute else None
except KeyError:
message = None
if not message:
if not bool(urlparse(url).netloc):
url_parts = url.split('?')
path = url_parts[0]
query_string = url_parts[1] if len(url_parts) > 1 else None
router = request.httprequest.app.get_db_router(request.db).bind('')
match = router.match(path, query_args=query_string)
method = router.match(path, query_args=query_string)[0]
params = dict(parse_qsl(query_string))
if len(match) > 1:
params.update(match[1])
response = method(**params)
if not response.status_code == 200:
return self._make_error_response(response.status_code,response.description if hasattr(response, 'description') else _("Unknown Error"))
else:
if response.headers['content-type'] == 'message/rfc822':
message = request.env['mail.thread'].message_parse(response.data, False)
else:
return werkzeug.exceptions.UnsupportedMediaType(_("Unparsable message! The file has to be of type: message/rfc822"))
else:
try:
response = requests.get(url)
if response.headers['content-type'] == 'message/rfc822':
message = request.env['mail.thread'].message_parse(response.content, False)
else:
return werkzeug.exceptions.UnsupportedMediaType(_("Unparsable message! The file has to be of type: message/rfc822"))
except requests.exceptions.RequestException as exception:
return self._make_error_response(exception.response.status_code, exception.response.reason or _("Unknown Error"))
mail_cache[url] = message.copy()
return self._make_parse_response(request.httprequest.url, message, attachment)
def _set_query_parameter(self, url, param_name, param_value):
scheme, netloc, path, query_string, fragment = urlparse.urlsplit(url)
query_params = urlparse.parse_qs(query_string)
query_params[param_name] = [param_value]
new_query_string = urllib.urlencode(query_params, doseq=True)
return urlparse.urlunsplit((scheme, netloc, path, new_query_string, fragment))
def _make_error_response(self, status, message):
exception = werkzeug.exceptions.HTTPException()
exception.code = status
exception.description = message
return exception
def _make_attachment_response(self, file, filename):
headers = [('Content-Type', mimetypes.guess_type(urllib.pathname2url(filename))[0]),
('Content-Disposition', 'attachment; filename="{}";'.format(filename)),
('Content-Length', len(file))]
return request.make_response(file, headers)
def _make_parse_response(self, url, message, attachment):
if attachment:
for file in message["attachments"]:
if file.fname == attachment:
return self._make_attachment_response(file.content, file.fname)
else:
attachments = []
for file in message["attachments"]:
mimetype = mimetypes.guess_type(urllib.pathname2url(file.fname))[0]
extension = os.path.splitext(file.fname)[1]
link = self._set_query_parameter(url, "attachment", file.fname)
attachments.append(self._Attachment(file.fname, mimetype, extension, link, file.info))
message["attachments"] = attachments
return Response(json.dumps(message), content_type='application/json;charset=utf-8', status=200)