mirror of
https://github.com/SickGear/SickGear.git
synced 2024-12-22 02:33:37 +00:00
260 lines
8.7 KiB
Python
260 lines
8.7 KiB
Python
# -*- coding: utf-8 -*-
|
|
#
|
|
# Copyright (C) 2019 Chris Caron <lead2gold@gmail.com>
|
|
# All rights reserved.
|
|
#
|
|
# This code is licensed under the MIT License.
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
# of this software and associated documentation files(the "Software"), to deal
|
|
# in the Software without restriction, including without limitation the rights
|
|
# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
|
|
# copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions :
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in
|
|
# all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
# THE SOFTWARE.
|
|
|
|
import re
|
|
import requests
|
|
from .ConfigBase import ConfigBase
|
|
from ..common import ConfigFormat
|
|
from ..common import ContentIncludeMode
|
|
from ..URLBase import PrivacyMode
|
|
from ..AppriseLocale import gettext_lazy as _
|
|
|
|
# Support TEXT formats
|
|
# text/plain
|
|
# text/html
|
|
MIME_IS_TEXT = re.compile('text/(plain|html)', re.I)
|
|
|
|
|
|
class ConfigHTTP(ConfigBase):
|
|
"""
|
|
A wrapper for HTTP based configuration sources
|
|
"""
|
|
|
|
# The default descriptive name associated with the service
|
|
service_name = _('Web Based')
|
|
|
|
# The default protocol
|
|
protocol = 'http'
|
|
|
|
# The default secure protocol
|
|
secure_protocol = 'https'
|
|
|
|
# If an HTTP error occurs, define the number of characters you still want
|
|
# to read back. This is useful for debugging purposes, but nothing else.
|
|
# The idea behind enforcing this kind of restriction is to prevent abuse
|
|
# from queries to services that may be untrusted.
|
|
max_error_buffer_size = 2048
|
|
|
|
# Configuration file inclusion can always include this type
|
|
allow_cross_includes = ContentIncludeMode.ALWAYS
|
|
|
|
def __init__(self, headers=None, **kwargs):
|
|
"""
|
|
Initialize HTTP Object
|
|
|
|
headers can be a dictionary of key/value pairs that you want to
|
|
additionally include as part of the server headers to post with
|
|
|
|
"""
|
|
super().__init__(**kwargs)
|
|
|
|
self.schema = 'https' if self.secure else 'http'
|
|
|
|
self.fullpath = kwargs.get('fullpath')
|
|
if not isinstance(self.fullpath, str):
|
|
self.fullpath = '/'
|
|
|
|
self.headers = {}
|
|
if headers:
|
|
# Store our extra headers
|
|
self.headers.update(headers)
|
|
|
|
return
|
|
|
|
def url(self, privacy=False, *args, **kwargs):
|
|
"""
|
|
Returns the URL built dynamically based on specified arguments.
|
|
"""
|
|
|
|
# Prepare our cache value
|
|
if isinstance(self.cache, bool) or not self.cache:
|
|
cache = 'yes' if self.cache else 'no'
|
|
|
|
else:
|
|
cache = int(self.cache)
|
|
|
|
# Define any arguments set
|
|
params = {
|
|
'encoding': self.encoding,
|
|
'cache': cache,
|
|
}
|
|
|
|
# Extend our parameters
|
|
params.update(self.url_parameters(privacy=privacy, *args, **kwargs))
|
|
|
|
if self.config_format:
|
|
# A format was enforced; make sure it's passed back with the url
|
|
params['format'] = self.config_format
|
|
|
|
# Append our headers into our args
|
|
params.update({'+{}'.format(k): v for k, v in self.headers.items()})
|
|
|
|
# Determine Authentication
|
|
auth = ''
|
|
if self.user and self.password:
|
|
auth = '{user}:{password}@'.format(
|
|
user=self.quote(self.user, safe=''),
|
|
password=self.pprint(
|
|
self.password, privacy, mode=PrivacyMode.Secret, safe=''),
|
|
)
|
|
elif self.user:
|
|
auth = '{user}@'.format(
|
|
user=self.quote(self.user, safe=''),
|
|
)
|
|
|
|
default_port = 443 if self.secure else 80
|
|
|
|
return '{schema}://{auth}{hostname}{port}{fullpath}/?{params}'.format(
|
|
schema=self.secure_protocol if self.secure else self.protocol,
|
|
auth=auth,
|
|
hostname=self.quote(self.host, safe=''),
|
|
port='' if self.port is None or self.port == default_port
|
|
else ':{}'.format(self.port),
|
|
fullpath=self.quote(self.fullpath, safe='/'),
|
|
params=self.urlencode(params),
|
|
)
|
|
|
|
def read(self, **kwargs):
|
|
"""
|
|
Perform retrieval of the configuration based on the specified request
|
|
"""
|
|
|
|
# prepare XML Object
|
|
headers = {
|
|
'User-Agent': self.app_id,
|
|
}
|
|
|
|
# Apply any/all header over-rides defined
|
|
headers.update(self.headers)
|
|
|
|
auth = None
|
|
if self.user:
|
|
auth = (self.user, self.password)
|
|
|
|
url = '%s://%s' % (self.schema, self.host)
|
|
if isinstance(self.port, int):
|
|
url += ':%d' % self.port
|
|
|
|
url += self.fullpath
|
|
|
|
self.logger.debug('HTTP POST URL: %s (cert_verify=%r)' % (
|
|
url, self.verify_certificate,
|
|
))
|
|
|
|
# Prepare our response object
|
|
response = None
|
|
|
|
# Where our request object will temporarily live.
|
|
r = None
|
|
|
|
# Always call throttle before any remote server i/o is made
|
|
self.throttle()
|
|
|
|
try:
|
|
# Make our request
|
|
with requests.post(
|
|
url,
|
|
headers=headers,
|
|
auth=auth,
|
|
verify=self.verify_certificate,
|
|
timeout=self.request_timeout,
|
|
stream=True) as r:
|
|
|
|
# Handle Errors
|
|
r.raise_for_status()
|
|
|
|
# Get our file-size (if known)
|
|
try:
|
|
file_size = int(r.headers.get('Content-Length', '0'))
|
|
except (TypeError, ValueError):
|
|
# Handle edge case where Content-Length is a bad value
|
|
file_size = 0
|
|
|
|
# Store our response
|
|
if self.max_buffer_size > 0 \
|
|
and file_size > self.max_buffer_size:
|
|
|
|
# Provide warning of data truncation
|
|
self.logger.error(
|
|
'HTTP config response exceeds maximum buffer length '
|
|
'({}KB);'.format(int(self.max_buffer_size / 1024)))
|
|
|
|
# Return None - buffer execeeded
|
|
return None
|
|
|
|
# Store our result (but no more than our buffer length)
|
|
response = r.text[:self.max_buffer_size + 1]
|
|
|
|
# Verify that our content did not exceed the buffer size:
|
|
if len(response) > self.max_buffer_size:
|
|
# Provide warning of data truncation
|
|
self.logger.error(
|
|
'HTTP config response exceeds maximum buffer length '
|
|
'({}KB);'.format(int(self.max_buffer_size / 1024)))
|
|
|
|
# Return None - buffer execeeded
|
|
return None
|
|
|
|
# Detect config format based on mime if the format isn't
|
|
# already enforced
|
|
content_type = r.headers.get(
|
|
'Content-Type', 'application/octet-stream')
|
|
if self.config_format is None and content_type:
|
|
if MIME_IS_TEXT.match(content_type) is not None:
|
|
|
|
# TEXT data detected based on header content
|
|
self.default_config_format = ConfigFormat.TEXT
|
|
|
|
except requests.RequestException as e:
|
|
self.logger.error(
|
|
'A Connection error occurred retrieving HTTP '
|
|
'configuration from %s.' % self.host)
|
|
self.logger.debug('Socket Exception: %s' % str(e))
|
|
|
|
# Return None (signifying a failure)
|
|
return None
|
|
|
|
# Return our response object
|
|
return response
|
|
|
|
@staticmethod
|
|
def parse_url(url):
|
|
"""
|
|
Parses the URL and returns enough arguments that can allow
|
|
us to re-instantiate this object.
|
|
|
|
"""
|
|
results = ConfigBase.parse_url(url)
|
|
|
|
if not results:
|
|
# We're done early as we couldn't load the results
|
|
return results
|
|
|
|
# Add our headers that the user can potentially over-ride if they wish
|
|
# to to our returned result set
|
|
results['headers'] = results['qsd-']
|
|
results['headers'].update(results['qsd+'])
|
|
|
|
return results
|