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Use the abstract registration code for CAS #8856

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Use the abstract registration code for CAS #8856

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@clokep clokep commented Dec 1, 2020 •
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This builds on #8801 and #8881 but for CAS. There's no mapping provider support, but everything would be ready to add one if we wanted.

Unfortunately I couldn't see a reasonable way of applying the retry logic while also allowing for grandfathering of the old data. Any thoughts would be appreciated!

This also includes some basic tests for logging in as a CAS user.

Based on #8958.

@clokep clokep changed the title Support trying multiple localparts for CAS Use the abstract registration code for CAS Dec 1, 2020
@clokep clokep marked this pull request as draft December 1, 2020 19:25
@clokep clokep force-pushed the clokep/cas-localpart-gen branch 2 times, most recently from 3a9b58f to cde552e Compare December 8, 2020 19:31
clokep
clokep commented Dec 8, 2020
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synapse/handlers/cas_handler.py Outdated
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# Ensure that the attributes of the logged in user meet the required
# attributes.
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Unfortunately this isn't quite the same as the SAML checks so I'm not quite sure it could be abstracted.

clokep
clokep commented Dec 8, 2020
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synapse/handlers/cas_handler.py
Comment on lines +280 to +352
# Due to the grandfathering logic matching any previously registered
# mxids it isn't expected for there to be any failures.
if failures:
raise RuntimeError("CAS is not expected to de-duplicate Matrix IDs")
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This code shouldn't ever run: in the case of a conflict with the MXID we should already have grandfathered the user in grandfather_existing_users.

@clokep clokep marked this pull request as ready for review December 8, 2020 19:38
@clokep clokep requested review from a team and removed request for a team December 8, 2020 19:38
@clokep clokep self-assigned this Dec 10, 2020
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@clokep clokep force-pushed the clokep/cas-localpart-gen branch 3 times, most recently from 1a43446 to 26468e8 Compare December 16, 2020 23:16
@clokep clokep requested a review from a team December 18, 2020 19:44
richvdh
richvdh approved these changes Jan 3, 2021
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lgtm, thanks!

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richvdh commented Jan 3, 2021

Something worth noting that isn't called out: UIA won't work for CAS users until they log in again. I think that's a price worth paying.

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richvdh commented Jan 3, 2021

I want to build some stuff based on this so I'm going to go ahead and merge it.

@richvdh richvdh merged commit 0eccf53 into develop Jan 3, 2021
@richvdh richvdh deleted the clokep/cas-localpart-gen branch January 3, 2021 16:25
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clokep commented Jan 4, 2021

Thanks for the review! 👍

clokep added a commit that referenced this pull request Jan 6, 2021
@clokep
Merge tag 'v1.25.0rc1' into develop
0312266 
Synapse 1.25.0rc1 (2021-01-06)
==============================

Removal warning
---------------

The old [Purge Room API](https://github.com/matrix-org/synapse/tree/master/docs/admin_api/purge_room.md)
and [Shutdown Room API](https://github.com/matrix-org/synapse/tree/master/docs/admin_api/shutdown_room.md)
are deprecated and will be removed in a future release. They will be replaced by the
[Delete Room API](https://github.com/matrix-org/synapse/tree/master/docs/admin_api/rooms.md#delete-room-api).

`POST /_synapse/admin/v1/rooms/<room_id>/delete` replaces `POST /_synapse/admin/v1/purge_room` and
`POST /_synapse/admin/v1/shutdown_room/<room_id>`.

Features
--------

- Add an admin API that lets server admins get power in rooms in which local users have power. ([\#8756](#8756))
- Add optional HTTP authentication to replication endpoints. ([\#8853](#8853))
- Improve the error messages printed as a result of configuration problems for extension modules. ([\#8874](#8874))
- Add the number of local devices to Room Details Admin API. Contributed by @dklimpel. ([\#8886](#8886))
- Add `X-Robots-Tag` header to stop web crawlers from indexing media. Contributed by Aaron Raimist. ([\#8887](#8887))
- Spam-checkers may now define their methods as `async`. ([\#8890](#8890))
- Add support for allowing users to pick their own user ID during a single-sign-on login. ([\#8897](#8897), [\#8900](#8900), [\#8911](#8911), [\#8938](#8938), [\#8941](#8941), [\#8942](#8942), [\#8951](#8951))
- Add an `email.invite_client_location` configuration option to send a web client location to the invite endpoint on the identity server which allows customisation of the email template. ([\#8930](#8930))
- The search term in the list room and list user Admin APIs is now treated as case-insensitive. ([\#8931](#8931))
- Apply an IP range blacklist to push and key revocation requests. ([\#8821](#8821), [\#8870](#8870), [\#8954](#8954))
- Add an option to allow re-use of user-interactive authentication sessions for a period of time. ([\#8970](#8970))
- Allow running the redact endpoint on workers. ([\#8994](#8994))

Bugfixes
--------

- Fix bug where we might not correctly calculate the current state for rooms with multiple extremities. ([\#8827](#8827))
- Fix a long-standing bug in the register admin endpoint (`/_synapse/admin/v1/register`) when the `mac` field was not provided. The endpoint now properly returns a 400 error. Contributed by @edwargix. ([\#8837](#8837))
- Fix a long-standing bug on Synapse instances supporting Single-Sign-On, where users would be prompted to enter their password to confirm certain actions, even though they have not set a password. ([\#8858](#8858))
- Fix a longstanding bug where a 500 error would be returned if the `Content-Length` header was not provided to the upload media resource. ([\#8862](#8862))
- Add additional validation to pusher URLs to be compliant with the specification. ([\#8865](#8865))
- Fix the error code that is returned when a user tries to register on a homeserver on which new-user registration has been disabled. ([\#8867](#8867))
- Fix a bug where `PUT /_synapse/admin/v2/users/<user_id>` failed to create a new user when `avatar_url` is specified. Bug introduced in Synapse v1.9.0. ([\#8872](#8872))
- Fix a 500 error when attempting to preview an empty HTML file. ([\#8883](#8883))
- Fix occasional deadlock when handling SIGHUP. ([\#8918](#8918))
- Fix login API to not ratelimit application services that have ratelimiting disabled. ([\#8920](#8920))
- Fix bug where we ratelimited auto joining of rooms on registration (using `auto_join_rooms` config). ([\#8921](#8921))
- Fix a bug where deactivated users appeared in the user directory when their profile information was updated. ([\#8933](#8933), [\#8964](#8964))
- Fix bug introduced in Synapse v1.24.0 which would cause an exception on startup if both `enabled` and `localdb_enabled` were set to `False` in the `password_config` setting of the configuration file. ([\#8937](#8937))
- Fix a bug where 500 errors would be returned if the `m.room_history_visibility` event had invalid content. ([\#8945](#8945))
- Fix a bug causing common English words to not be considered for a user directory search. ([\#8959](#8959))
- Fix bug where application services couldn't register new ghost users if the server had reached its MAU limit. ([\#8962](#8962))
- Fix a long-standing bug where a `m.image` event without a `url` would cause errors on push. ([\#8965](#8965))
- Fix a small bug in v2 state resolution algorithm, which could also cause performance issues for rooms with large numbers of power levels. ([\#8971](#8971))
- Add validation to the `sendToDevice` API to raise a missing parameters error instead of a 500 error. ([\#8975](#8975))
- Add validation of group IDs to raise a 400 error instead of a 500 eror. ([\#8977](#8977))

Improved Documentation
----------------------

- Fix the "Event persist rate" section of the included grafana dashboard by adding missing prometheus rules. ([\#8802](#8802))
- Combine related media admin API docs. ([\#8839](#8839))
- Fix an error in the documentation for the SAML username mapping provider. ([\#8873](#8873))
- Clarify comments around template directories in `sample_config.yaml`. ([\#8891](#8891))
- Moved instructions for database setup, adjusted heading levels and improved syntax highlighting in [INSTALL.md](../INSTALL.md). Contributed by fossterer. ([\#8987](#8987))
- Update the example value of `group_creation_prefix` in the sample configuration. ([\#8992](#8992))
- Link the Synapse developer room to the development section in the docs. ([\#9002](#9002))

Deprecations and Removals
-------------------------

- Deprecate Shutdown Room and Purge Room Admin APIs. ([\#8829](#8829))

Internal Changes
----------------

- Properly store the mapping of external ID to Matrix ID for CAS users. ([\#8856](#8856), [\#8958](#8958))
- Remove some unnecessary stubbing from unit tests. ([\#8861](#8861))
- Remove unused `FakeResponse` class from unit tests. ([\#8864](#8864))
- Pass `room_id` to `get_auth_chain_difference`. ([\#8879](#8879))
- Add type hints to push module. ([\#8880](#8880), [\#8882](#8882), [\#8901](#8901), [\#8940](#8940), [\#8943](#8943), [\#9020](#9020))
- Simplify logic for handling user-interactive-auth via single-sign-on servers. ([\#8881](#8881))
- Skip the SAML tests if the requirements (`pysaml2` and `xmlsec1`) aren't available. ([\#8905](#8905))
- Fix multiarch docker image builds. ([\#8906](#8906))
- Don't publish `latest` docker image until all archs are built. ([\#8909](#8909))
- Various clean-ups to the structured logging and logging context code. ([\#8916](#8916), [\#8935](#8935))
- Automatically drop stale forward-extremities under some specific conditions. ([\#8929](#8929))
- Refactor test utilities for injecting HTTP requests. ([\#8946](#8946))
- Add a maximum size of 50 kilobytes to .well-known lookups. ([\#8950](#8950))
- Fix bug in `generate_log_config` script which made it write empty files. ([\#8952](#8952))
- Clean up tox.ini file; disable coverage checking for non-test runs. ([\#8963](#8963))
- Add type hints to the admin and room list handlers. ([\#8973](#8973))
- Add type hints to the receipts and user directory handlers. ([\#8976](#8976))
- Drop the unused `local_invites` table. ([\#8979](#8979))
- Add type hints to the base storage code. ([\#8980](#8980))
- Support using PyJWT v2.0.0 in the test suite. ([\#8986](#8986))
- Fix `tests.federation.transport.RoomDirectoryFederationTests` and ensure it runs in CI. ([\#8998](#8998))
- Add type hints to the crypto module. ([\#8999](#8999))
netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this pull request Jan 13, 2021
@Midar
Update chat/matrix-synapse to 1.25
77c50e6 
Synapse 1.25.0 (2021-01-13)
===========================

Ending Support for Python 3.5 and Postgres 9.5
----------------------------------------------

With this release, the Synapse team is announcing a formal deprecation policy for our platform dependencies, like Python and PostgreSQL:

All future releases of Synapse will follow the upstream end-of-life schedules.

Which means:

* This is the last release which guarantees support for Python 3.5.
* We will end support for PostgreSQL 9.5 early next month.
* We will end support for Python 3.6 and PostgreSQL 9.6 near the end of the year.

Crucially, this means __we will not produce .deb packages for Debian 9 (Stretch) or Ubuntu 16.04 (Xenial)__ beyond the transition period described below.

The website https://endoflife.date/ has convenient summaries of the support schedules for projects like [Python](https://endoflife.date/python) and [PostgreSQL](https://endoflife.date/postgresql).

If you are unable to upgrade your environment to a supported version of Python or Postgres, we encourage you to consider using the [Synapse Docker images](./INSTALL.md#docker-images-and-ansible-playbooks) instead.

### Transition Period

We will make a good faith attempt to avoid breaking compatibility in all releases through the end of March 2021. However, critical security vulnerabilities in dependencies or other unanticipated circumstances may arise which necessitate breaking compatibility earlier.

We intend to continue producing .deb packages for Debian 9 (Stretch) and Ubuntu 16.04 (Xenial) through the transition period.

Removal warning
---------------

The old [Purge Room API](https://github.com/matrix-org/synapse/tree/master/docs/admin_api/purge_room.md)
and [Shutdown Room API](https://github.com/matrix-org/synapse/tree/master/docs/admin_api/shutdown_room.md)
are deprecated and will be removed in a future release. They will be replaced by the
[Delete Room API](https://github.com/matrix-org/synapse/tree/master/docs/admin_api/rooms.md#delete-room-api).

`POST /_synapse/admin/v1/rooms/<room_id>/delete` replaces `POST /_synapse/admin/v1/purge_room` and
`POST /_synapse/admin/v1/shutdown_room/<room_id>`.

Bugfixes
--------

- Fix HTTP proxy support when using a proxy that is on a blacklisted IP. Introduced in v1.25.0rc1. Contributed by @Bubu. ([\#9084](matrix-org/synapse#9084))


Synapse 1.25.0rc1 (2021-01-06)
==============================

Features
--------

- Add an admin API that lets server admins get power in rooms in which local users have power. ([\#8756](matrix-org/synapse#8756))
- Add optional HTTP authentication to replication endpoints. ([\#8853](matrix-org/synapse#8853))
- Improve the error messages printed as a result of configuration problems for extension modules. ([\#8874](matrix-org/synapse#8874))
- Add the number of local devices to Room Details Admin API. Contributed by @dklimpel. ([\#8886](matrix-org/synapse#8886))
- Add `X-Robots-Tag` header to stop web crawlers from indexing media. Contributed by Aaron Raimist. ([\#8887](matrix-org/synapse#8887))
- Spam-checkers may now define their methods as `async`. ([\#8890](matrix-org/synapse#8890))
- Add support for allowing users to pick their own user ID during a single-sign-on login. ([\#8897](matrix-org/synapse#8897), [\#8900](matrix-org/synapse#8900), [\#8911](matrix-org/synapse#8911), [\#8938](matrix-org/synapse#8938), [\#8941](matrix-org/synapse#8941), [\#8942](matrix-org/synapse#8942), [\#8951](matrix-org/synapse#8951))
- Add an `email.invite_client_location` configuration option to send a web client location to the invite endpoint on the identity server which allows customisation of the email template. ([\#8930](matrix-org/synapse#8930))
- The search term in the list room and list user Admin APIs is now treated as case-insensitive. ([\#8931](matrix-org/synapse#8931))
- Apply an IP range blacklist to push and key revocation requests. ([\#8821](matrix-org/synapse#8821), [\#8870](matrix-org/synapse#8870), [\#8954](matrix-org/synapse#8954))
- Add an option to allow re-use of user-interactive authentication sessions for a period of time. ([\#8970](matrix-org/synapse#8970))
- Allow running the redact endpoint on workers. ([\#8994](matrix-org/synapse#8994))


Bugfixes
--------

- Fix bug where we might not correctly calculate the current state for rooms with multiple extremities. ([\#8827](matrix-org/synapse#8827))
- Fix a long-standing bug in the register admin endpoint (`/_synapse/admin/v1/register`) when the `mac` field was not provided. The endpoint now properly returns a 400 error. Contributed by @edwargix. ([\#8837](matrix-org/synapse#8837))
- Fix a long-standing bug on Synapse instances supporting Single-Sign-On, where users would be prompted to enter their password to confirm certain actions, even though they have not set a password. ([\#8858](matrix-org/synapse#8858))
- Fix a longstanding bug where a 500 error would be returned if the `Content-Length` header was not provided to the upload media resource. ([\#8862](matrix-org/synapse#8862))
- Add additional validation to pusher URLs to be compliant with the specification. ([\#8865](matrix-org/synapse#8865))
- Fix the error code that is returned when a user tries to register on a homeserver on which new-user registration has been disabled. ([\#8867](matrix-org/synapse#8867))
- Fix a bug where `PUT /_synapse/admin/v2/users/<user_id>` failed to create a new user when `avatar_url` is specified. Bug introduced in Synapse v1.9.0. ([\#8872](matrix-org/synapse#8872))
- Fix a 500 error when attempting to preview an empty HTML file. ([\#8883](matrix-org/synapse#8883))
- Fix occasional deadlock when handling SIGHUP. ([\#8918](matrix-org/synapse#8918))
- Fix login API to not ratelimit application services that have ratelimiting disabled. ([\#8920](matrix-org/synapse#8920))
- Fix bug where we ratelimited auto joining of rooms on registration (using `auto_join_rooms` config). ([\#8921](matrix-org/synapse#8921))
- Fix a bug where deactivated users appeared in the user directory when their profile information was updated. ([\#8933](matrix-org/synapse#8933), [\#8964](matrix-org/synapse#8964))
- Fix bug introduced in Synapse v1.24.0 which would cause an exception on startup if both `enabled` and `localdb_enabled` were set to `False` in the `password_config` setting of the configuration file. ([\#8937](matrix-org/synapse#8937))
- Fix a bug where 500 errors would be returned if the `m.room_history_visibility` event had invalid content. ([\#8945](matrix-org/synapse#8945))
- Fix a bug causing common English words to not be considered for a user directory search. ([\#8959](matrix-org/synapse#8959))
- Fix bug where application services couldn't register new ghost users if the server had reached its MAU limit. ([\#8962](matrix-org/synapse#8962))
- Fix a long-standing bug where a `m.image` event without a `url` would cause errors on push. ([\#8965](matrix-org/synapse#8965))
- Fix a small bug in v2 state resolution algorithm, which could also cause performance issues for rooms with large numbers of power levels. ([\#8971](matrix-org/synapse#8971))
- Add validation to the `sendToDevice` API to raise a missing parameters error instead of a 500 error. ([\#8975](matrix-org/synapse#8975))
- Add validation of group IDs to raise a 400 error instead of a 500 eror. ([\#8977](matrix-org/synapse#8977))


Improved Documentation
----------------------

- Fix the "Event persist rate" section of the included grafana dashboard by adding missing prometheus rules. ([\#8802](matrix-org/synapse#8802))
- Combine related media admin API docs. ([\#8839](matrix-org/synapse#8839))
- Fix an error in the documentation for the SAML username mapping provider. ([\#8873](matrix-org/synapse#8873))
- Clarify comments around template directories in `sample_config.yaml`. ([\#8891](matrix-org/synapse#8891))
- Move instructions for database setup, adjusted heading levels and improved syntax highlighting in [INSTALL.md](../INSTALL.md). Contributed by @fossterer. ([\#8987](matrix-org/synapse#8987))
- Update the example value of `group_creation_prefix` in the sample configuration. ([\#8992](matrix-org/synapse#8992))
- Link the Synapse developer room to the development section in the docs. ([\#9002](matrix-org/synapse#9002))


Deprecations and Removals
-------------------------

- Deprecate Shutdown Room and Purge Room Admin APIs. ([\#8829](matrix-org/synapse#8829))


Internal Changes
----------------

- Properly store the mapping of external ID to Matrix ID for CAS users. ([\#8856](matrix-org/synapse#8856), [\#8958](matrix-org/synapse#8958))
- Remove some unnecessary stubbing from unit tests. ([\#8861](matrix-org/synapse#8861))
- Remove unused `FakeResponse` class from unit tests. ([\#8864](matrix-org/synapse#8864))
- Pass `room_id` to `get_auth_chain_difference`. ([\#8879](matrix-org/synapse#8879))
- Add type hints to push module. ([\#8880](matrix-org/synapse#8880), [\#8882](matrix-org/synapse#8882), [\#8901](matrix-org/synapse#8901), [\#8940](matrix-org/synapse#8940), [\#8943](matrix-org/synapse#8943), [\#9020](matrix-org/synapse#9020))
- Simplify logic for handling user-interactive-auth via single-sign-on servers. ([\#8881](matrix-org/synapse#8881))
- Skip the SAML tests if the requirements (`pysaml2` and `xmlsec1`) aren't available. ([\#8905](matrix-org/synapse#8905))
- Fix multiarch docker image builds. ([\#8906](matrix-org/synapse#8906))
- Don't publish `latest` docker image until all archs are built. ([\#8909](matrix-org/synapse#8909))
- Various clean-ups to the structured logging and logging context code. ([\#8916](matrix-org/synapse#8916), [\#8935](matrix-org/synapse#8935))
- Automatically drop stale forward-extremities under some specific conditions. ([\#8929](matrix-org/synapse#8929))
- Refactor test utilities for injecting HTTP requests. ([\#8946](matrix-org/synapse#8946))
- Add a maximum size of 50 kilobytes to .well-known lookups. ([\#8950](matrix-org/synapse#8950))
- Fix bug in `generate_log_config` script which made it write empty files. ([\#8952](matrix-org/synapse#8952))
- Clean up tox.ini file; disable coverage checking for non-test runs. ([\#8963](matrix-org/synapse#8963))
- Add type hints to the admin and room list handlers. ([\#8973](matrix-org/synapse#8973))
- Add type hints to the receipts and user directory handlers. ([\#8976](matrix-org/synapse#8976))
- Drop the unused `local_invites` table. ([\#8979](matrix-org/synapse#8979))
- Add type hints to the base storage code. ([\#8980](matrix-org/synapse#8980))
- Support using PyJWT v2.0.0 in the test suite. ([\#8986](matrix-org/synapse#8986))
- Fix `tests.federation.transport.RoomDirectoryFederationTests` and ensure it runs in CI. ([\#8998](matrix-org/synapse#8998))
- Add type hints to the crypto module. ([\#8999](matrix-org/synapse#8999))
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