forked from extern/httpie-cli
150 lines
4.4 KiB
Python
150 lines
4.4 KiB
Python
"""Persistent, JSON-serialized sessions.
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"""
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import os
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import re
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from pathlib import Path
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from typing import Optional, Union
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from urllib.parse import urlsplit
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from requests.auth import AuthBase
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from requests.cookies import RequestsCookieJar, create_cookie
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from httpie.cli.dicts import RequestHeadersDict
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from httpie.config import BaseConfigDict, DEFAULT_CONFIG_DIR
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from httpie.plugins import plugin_manager
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SESSIONS_DIR_NAME = 'sessions'
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DEFAULT_SESSIONS_DIR = DEFAULT_CONFIG_DIR / SESSIONS_DIR_NAME
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VALID_SESSION_NAME_PATTERN = re.compile('^[a-zA-Z0-9_.-]+$')
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# Request headers starting with these prefixes won't be stored in sessions.
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# They are specific to each request.
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# https://en.wikipedia.org/wiki/List_of_HTTP_header_fields#Requests
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SESSION_IGNORED_HEADER_PREFIXES = ['Content-', 'If-']
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def get_httpie_session(
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config_dir: Path,
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session_name: str,
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host: Optional[str],
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url: str,
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) -> 'Session':
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if os.path.sep in session_name:
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path = os.path.expanduser(session_name)
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else:
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hostname = host or urlsplit(url).netloc.split('@')[-1]
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if not hostname:
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# HACK/FIXME: httpie-unixsocket's URLs have no hostname.
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hostname = 'localhost'
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# host:port => host_port
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hostname = hostname.replace(':', '_')
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path = (
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config_dir / SESSIONS_DIR_NAME / hostname / f'{session_name}.json'
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)
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session = Session(path)
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session.load()
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return session
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class Session(BaseConfigDict):
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helpurl = 'https://httpie.org/doc#sessions'
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about = 'HTTPie session file'
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def __init__(self, path: Union[str, Path]):
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super().__init__()
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self._path = Path(path)
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self['headers'] = {}
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self['cookies'] = {}
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self['auth'] = {
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'type': None,
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'username': None,
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'password': None
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}
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def _get_path(self) -> Path:
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return self._path
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def update_headers(self, request_headers: RequestHeadersDict):
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"""
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Update the session headers with the request ones while ignoring
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certain name prefixes.
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"""
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headers = self.headers
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for name, value in request_headers.items():
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if value is None:
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continue # Ignore explicitly unset headers
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value = value.decode('utf8')
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if name == 'User-Agent' and value.startswith('HTTPie/'):
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continue
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for prefix in SESSION_IGNORED_HEADER_PREFIXES:
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if name.lower().startswith(prefix.lower()):
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break
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else:
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headers[name] = value
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self['headers'] = dict(headers)
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@property
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def headers(self) -> RequestHeadersDict:
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return RequestHeadersDict(self['headers'])
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@property
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def cookies(self) -> RequestsCookieJar:
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jar = RequestsCookieJar()
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for name, cookie_dict in self['cookies'].items():
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jar.set_cookie(create_cookie(
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name, cookie_dict.pop('value'), **cookie_dict))
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jar.clear_expired_cookies()
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return jar
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@cookies.setter
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def cookies(self, jar: RequestsCookieJar):
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# https://docs.python.org/2/library/cookielib.html#cookie-objects
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stored_attrs = ['value', 'path', 'secure', 'expires']
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self['cookies'] = {}
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for cookie in jar:
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self['cookies'][cookie.name] = {
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attname: getattr(cookie, attname)
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for attname in stored_attrs
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}
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@property
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def auth(self) -> Optional[AuthBase]:
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auth = self.get('auth', None)
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if not auth or not auth['type']:
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return
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plugin = plugin_manager.get_auth_plugin(auth['type'])()
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credentials = {'username': None, 'password': None}
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try:
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# New style
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plugin.raw_auth = auth['raw_auth']
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except KeyError:
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# Old style
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credentials = {
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'username': auth['username'],
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'password': auth['password'],
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}
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else:
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if plugin.auth_parse:
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from httpie.cli.argtypes import parse_auth
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parsed = parse_auth(plugin.raw_auth)
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credentials = {
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'username': parsed.key,
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'password': parsed.value,
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}
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return plugin.get_auth(**credentials)
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@auth.setter
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def auth(self, auth: dict):
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assert {'type', 'raw_auth'} == auth.keys()
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self['auth'] = auth
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