forked from ScoDoc/ScoDoc
101 lines
3.1 KiB
Python
101 lines
3.1 KiB
Python
"""
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flask_cas.__init__
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"""
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import flask
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from flask import current_app
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from . import routing
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from functools import wraps
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class CAS(object):
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"""
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Required Configs:
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|Key |
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|----------------|
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|CAS_SERVER |
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|CAS_AFTER_LOGIN |
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Optional Configs:
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|Key | Default |
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|---------------------------|-----------------------|
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|CAS_TOKEN_SESSION_KEY | _CAS_TOKEN |
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|CAS_USERNAME_SESSION_KEY | CAS_USERNAME |
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|CAS_ATTRIBUTES_SESSION_KEY | CAS_ATTRIBUTES |
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|CAS_LOGIN_ROUTE | '/cas' |
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|CAS_LOGOUT_ROUTE | '/cas/logout' |
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|CAS_VALIDATE_ROUTE | '/cas/serviceValidate'|
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|CAS_AFTER_LOGOUT | None |
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"""
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def __init__(self, app=None, url_prefix=None, configuration_function=None):
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self._app = app
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if app is not None:
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self.init_app(app, url_prefix, configuration_function)
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def init_app(self, app, url_prefix=None, configuration_function=None):
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# Configuration defaults
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app.config.setdefault("CAS_TOKEN_SESSION_KEY", "_CAS_TOKEN")
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app.config.setdefault("CAS_USERNAME_SESSION_KEY", "CAS_USERNAME")
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app.config.setdefault("CAS_ATTRIBUTES_SESSION_KEY", "CAS_ATTRIBUTES")
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app.config.setdefault("CAS_LOGIN_ROUTE", "/cas")
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app.config.setdefault("CAS_LOGOUT_ROUTE", "/cas/logout")
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app.config.setdefault("CAS_VALIDATE_ROUTE", "/cas/serviceValidate")
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app.config.setdefault("CAS_CONFIGURATION_FUNCTION", configuration_function)
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# Requires CAS 2.0
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app.config.setdefault("CAS_AFTER_LOGOUT", None)
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# Register Blueprint
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app.register_blueprint(routing.blueprint, url_prefix=url_prefix)
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# Use the newstyle teardown_appcontext if it's available,
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# otherwise fall back to the request context
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if hasattr(app, "teardown_appcontext"):
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app.teardown_appcontext(self.teardown)
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else:
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app.teardown_request(self.teardown)
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def teardown(self, exception):
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pass # ctx = stack.top
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@property
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def app(self):
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return self._app or current_app
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@property
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def username(self):
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return flask.session.get(self.app.config["CAS_USERNAME_SESSION_KEY"], None)
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@property
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def attributes(self):
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return flask.session.get(self.app.config["CAS_ATTRIBUTES_SESSION_KEY"], None)
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@property
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def token(self):
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return flask.session.get(self.app.config["CAS_TOKEN_SESSION_KEY"], None)
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def login():
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return flask.redirect(flask.url_for("cas.login", _external=True))
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def logout():
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return flask.redirect(flask.url_for("cas.logout", _external=True))
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def login_required(function):
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@wraps(function)
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def wrap(*args, **kwargs):
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if "CAS_USERNAME" not in flask.session:
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flask.session["CAS_AFTER_LOGIN_SESSION_URL"] = (
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flask.request.script_root + flask.request.full_path
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)
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return login()
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else:
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return function(*args, **kwargs)
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return wrap
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