This commit is the 12th commit of a comprehensive refactor of our HTTP
framework. See odoo/odoo#78857 for complete historic, discussions and
rationnals.
The web module is twofold, on one side there are many controllers: /,
/web, /web/login, /web/database/selector, /web/dataset/call_kw, etc, on
the other side there is `session_info`: the method responsible to create
the web client's environ.
This module is kinda an exception as it is (with base) a server wide
module. In the case of the HTTP framework, it means that the controllers
of web are always accessible, i.e. going to / or /web/login will never
return a 404 Not Found even if the user is not connected to a database.
This is both a blessing and a curse. It is a blessing because the
controllers are always accessible it means that a new users can freely
access those routes. It is a curse because *any* user can access them,
even user who don't have a session yet thus who are not connected to a
database yet. From a developer standpoint, we have to put extra care to
correct serve users with and without a database. An example is the
/web/login route, the login/password pair is stored in a database,
without database it is impossible to validate a user login but users can
still access this route without db.
To solve this problem, there is the `ensure_db` function. This function
attempts to find a database using various sources (?db= query-string,
session db, mono db) and to save it on the user session. In case no db
is found, the user is redirected to the database selector. In a way,
this function grants a database to the user in a seamingly experience.
In a way, this function brings a welcome differentiation between
`auth='none'` with a database and `auth='none'` without a database. Such
differentiation only matters for the server wide modules as "regular"
module controllers are only accessible via the ir.http routing map, i.e.
it is not possible to declare a nodb controller outside of server wide
modules.
An important changement is the `session.authenticate` method, before it
was possible to call the method when the cursor was not yet initialized,
authenticate would open a cursor against the given database, setup a
registry and an environment and ultimately save everything on the
current request. Because the cursor is now greedily created, it is no
more possible to update the request environment when authenticating on
another database.
PR: odoo#78857
Task: 2571224
Allows accessing various keys, especially whether this is an
interactive login or not.
Also have the xml-rpc `login` delegate to `authenticate` instead of
having its own half-assed implementation.
And remove some dead code: as far as I can tell, Session.authenticate
is never called with a uid.
Task 31122 section 4.
Implement per-IP rate limiting of login attempts after some number
of failures.
* check_credentials has no reason to be public, make it private
* add hooks to check for login cooldown on a source IP (remote_addr:
http://werkzeug.pocoo.org/docs/0.14/wrappers/#werkzeug.wrappers.BaseRequest.remote_addr)
basis
* add baseline/default configuration of 60s cooldown
* add baseline threshold of 10 login failures, after checking odoo.com
logs it looks like we have short runs of up to 7 failures (assumed
to be legitimate) before the user either gets it right or goes and
looks it up
Depends on #24187
Since 5425316eff errors when signing up will only display two
messages:
* "Another user is already registered using this email address." or
* "Could not create a new account."
While Odoo creates a multitude of other comprehensible error messages
such as
* "Passwords do not match; please retype them."
* "Signup token '%s' is no longer valid"
This commit now separate UserError and AssertionError from SignupErrors.
Those are still hidden in a general message (see 5425316eff for reasons) while
the other ones are fully displayed.
This commit also improves translations of messages.
In Python 3, all of these were "consolidated" under urllib(.request,
.parse, .errors) which is inconvenient.
Since we already have hard dependencies on requests and
werkzeug(.urls, which is a backport of Python 3's unicode-aware
urllib.parse) migrate *everything* to that.
A sticking point is urllib2.URLError, those were (mostly) replaced by
the slightly more general IOError which URLError extends.
Julien Castiaux