mirror of
https://github.com/httpie/cli.git
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159 lines
4.7 KiB
Python
159 lines
4.7 KiB
Python
"""Persistent, JSON-serialized sessions.
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"""
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import re
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import os
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import requests
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from requests.cookies import RequestsCookieJar, create_cookie
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from .compat import urlsplit
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from .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 = os.path.join(DEFAULT_CONFIG_DIR, SESSIONS_DIR_NAME)
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VALID_SESSION_NAME_PATTERN = re.compile('^[a-zA-Z0-9_.-]+$')
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# Request headers starting with these prefixes won't be stored in sessions.
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# They are specific to each request.
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# http://en.wikipedia.org/wiki/List_of_HTTP_header_fields#Requests
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SESSION_IGNORED_HEADER_PREFIXES = ['Content-', 'If-']
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def get_response(session_name, requests_kwargs, config_dir, args,
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read_only=False):
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"""Like `client.get_response`, but applies permanent
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aspects of the session to the request.
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"""
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from .client import encode_headers
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if os.path.sep in session_name:
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path = os.path.expanduser(session_name)
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else:
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hostname = (
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requests_kwargs['headers'].get('Host', None)
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or urlsplit(requests_kwargs['url']).netloc.split('@')[-1]
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)
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assert re.match('^[a-zA-Z0-9_.:-]+$', hostname)
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# host:port => host_port
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hostname = hostname.replace(':', '_')
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path = os.path.join(config_dir,
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SESSIONS_DIR_NAME,
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hostname,
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session_name + '.json')
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session = Session(path)
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session.load()
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request_headers = requests_kwargs.get('headers', {})
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merged_headers = dict(session.headers)
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merged_headers.update(request_headers)
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requests_kwargs['headers'] = encode_headers(merged_headers)
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session.update_headers(request_headers)
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if args.auth:
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session.auth = {
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'type': args.auth_type,
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'username': args.auth.key,
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'password': args.auth.value,
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}
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elif session.auth:
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requests_kwargs['auth'] = session.auth
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requests_session = requests.Session()
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requests_session.cookies = session.cookies
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try:
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response = requests_session.request(**requests_kwargs)
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except Exception:
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raise
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else:
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# Existing sessions with `read_only=True` don't get updated.
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if session.is_new() or not read_only:
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session.cookies = requests_session.cookies
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session.save()
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return response
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class Session(BaseConfigDict):
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helpurl = 'https://github.com/jkbr/httpie#sessions'
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about = 'HTTPie session file'
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def __init__(self, path, *args, **kwargs):
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super(Session, self).__init__(*args, **kwargs)
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self._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):
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return self._path
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def update_headers(self, request_headers):
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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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:type request_headers: dict
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"""
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for name, value in request_headers.items():
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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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self['headers'][name] = value
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@property
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def headers(self):
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return self['headers']
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@property
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def cookies(self):
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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):
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"""
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:type jar: CookieJar
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"""
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# http://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] = dict(
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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):
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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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auth_plugin = plugin_manager.get_auth_plugin(auth['type'])()
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return auth_plugin.get_auth(auth['username'], auth['password'])
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@auth.setter
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def auth(self, auth):
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assert set(['type', 'username', 'password']) == set(auth.keys())
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self['auth'] = auth
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