For https://github.com/fleetdm/confidential/issues/9931.
[Here](ec3e8edbdc/docs/Contributing/Testing-and-local-development.md (L339))'s
how to test SAML locally with SimpleSAML.
- [X] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
See [Changes
files](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/Committing-Changes.md#changes-files)
for more information.
- [x] Added/updated automated tests
- [x] A detailed QA plan exists on the associated ticket (if it isn't
there, work with the product group's QA engineer to add it)
- [x] Manual QA for all new/changed functionality
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Improved SSO and SAML integration with enhanced session management
using secure cookies.
* Added support for IdP-initiated login flows.
* Introduced new tests covering SSO login flows, metadata handling, and
error scenarios.
* **Bug Fixes**
* Enhanced validation and error handling for invalid or tampered SAML
responses.
* Fixed session cookie handling during SSO and Apple MDM SSO flows.
* **Refactor**
* Replaced custom SAML implementation with the crewjam/saml library for
improved reliability.
* Simplified SAML metadata parsing and session store management.
* Streamlined SSO authorization request and response processing.
* Removed deprecated fields and redundant code related to SSO.
* **Documentation**
* Updated testing and local development docs with clearer instructions
for SSO and IdP-initiated login.
* **Chores**
* Upgraded dependencies including crewjam/saml and related packages.
* Cleaned up tests and configuration by removing deprecated fields and
unused imports.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
#8411
PS: I've opened #10209 to solve the issue with Golang Code Coverage CI
checks.
- [X] Changes file added for user-visible changes in `changes/` or
`orbit/changes/`.
See [Changes
files](https://fleetdm.com/docs/contributing/committing-changes#changes-files)
for more information.
- [x] Documented any API changes (docs/Using-Fleet/REST-API.md or
docs/Contributing/API-for-contributors.md)
- ~[] Documented any permissions changes~
- ~[ ] Input data is properly validated, `SELECT *` is avoided, SQL
injection is prevented (using placeholders for values in statements)~
- ~[ ] Added support on fleet's osquery simulator `cmd/osquery-perf` for
new osquery data ingestion features.~
- [X] Added/updated tests
- [x] Manual QA for all new/changed functionality
- ~For Orbit and Fleet Desktop changes:~
- ~[ ] Manual QA must be performed in the three main OSs, macOS, Windows
and Linux.~
- ~[ ] Auto-update manual QA, from released version of component to new
version (see [tools/tuf/test](../tools/tuf/test/README.md)).~
See https://goo.gl/zuku4E.
> The most obvious remediation here is ensuring your SAML library is extracting
the full text of a given XML element when comments are present.
Our implementation asks for the innerxml of the NameID field, so it returns the
entire text including the comment (See https://goo.gl/KLLXof). By default Go's
XML parsing would return the text not including the comment (but including
further text after the comment). Both of these options prevent the
vulnerability.
Closes#1532
Fixes error that was caused because there was a bug in processing nested assertions in a successful SAML response. This was not caught in the initial push of this code because the IDP's we tested against all sign the entire response document as opposed to parts of it. Thus the existing test cases didn't cover the code that dealt with nested assertions.
This PR partially addresses #1456, providing SSO SAML support. The flow of the code is as follows.
A Kolide user attempts to access a protected resource and is directed to log in.
If SSO identity providers (IDP) have been configured by an admin, the user is presented with SSO log in.
The user selects SSO, which invokes a call the InitiateSSO passing the URL of the protected resource that the user was originally trying access. Kolide server loads the IDP metadata and caches it along with the URL. We then build an auth request URL for the IDP which is returned to the front end.
The IDP calls the server, invoking CallbackSSO with the auth response.
We extract the original request id from the response and use it to fetch the cached metadata and the URL. We check the signature of the response, and validate the timestamps. If everything passes we get the user id from the IDP response and use it to create a login session. We then build a page which executes some javascript that will write the token to web local storage, and redirect to the original URL.
I've created a test web page in tools/app/authtest.html that can be used to test and debug new IDP's which also illustrates how a front end would interact with the IDP and the server. This page can be loaded by starting Kolide with the environment variable KOLIDE_TEST_PAGE_PATH to the full path of the page and then accessed at https://localhost:8080/test
