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Author SHA1 Message Date
Bobby Ho 663f41ffa9 feat: derive OAuth2 client type from token_endpoint_auth_method (#28043) 
Adds an OAuth2 client type (public vs confidential, RFC 7591 §2) derived
from the requested auth method instead of hardcoded confidential. The
type is stored and guarded here, but no endpoint enforces on it yet;
public behavior at the token endpoint follows in the next PR in the
stack.

- Client type is derived once and reused by both registration and
redirect URI validation, so they can't disagree
- IsPublic() fails closed: an unrecognized or missing value reads as
confidential
- RFC 7592 update (PUT) now rejects moving a client between public and
confidential (400) instead of silently flipping it when the auth method
is omitted
- Discovery still doesn't advertise "none"; follows once the token
endpoint honors it

### Behavior by client shape

`client_type` is derived from `token_endpoint_auth_method` at POST and
pinned at PUT. RFC 7592 GET/PUT authenticate with the registration
access token, not the client secret, so neither endpoint reads a secret.

| Registered with | Stored `client_type` / method | GET reports | PUT
that flips the method |

|------------------------------------|---------------------------------------|-----------------------|-----------------------------------------|
| omitted, or `client_secret_basic` | `confidential` /
`client_secret_basic` | `client_secret_basic` | `none` → 400
`invalid_client_metadata` |
| `none` (new) | `public` / `none` | `none` | `client_secret_*` → 400
`invalid_client_metadata` |
| `none` (before this PR) | `confidential` / `none` | `none` | either →
200, type stays `confidential` |

- PUT still replaces every other RFC 7591 field. `client_type` is the
only pinned one; the method may move within a type
(`client_secret_basic` ↔ `client_secret_post`).
- Row 3 is the only shape where the two columns disagree. The guard
fires only on a method change that crosses the type line, so those
clients keep managing themselves instead of being locked out of their
own configuration endpoint.
- The token endpoint does not consult `client_type` yet, so every client
still authenticates with a secret and registration still issues one.

Split out of #27873, second in the stack (on top of #28041).
Refs
https://linear.app/codercom/issue/ENG-3029/oauth2-support-public-client
 2026-08-18 21:12:44 -07:00
Kyle Carberry aaa0dacdb3 fix: infer workspace claim time from build history for /agents delete dialog (#25057) 
Closes
[CODAGT-317](https://linear.app/codercom/issue/CODAGT-317/pr-workspaces-sometimes-require-name-confirmation-to-delete).

## Problem

The `/agents` archive-and-delete molly-guard (typing the workspace name)
was firing for chats that had clearly created their own workspace. The
heuristic in `resolveArchiveAndDeleteAction` decides whether
confirmation is needed by comparing the workspace's `created_at` against
the chat's `created_at`:

```ts
return new Date(workspaceCreatedAt) >= new Date(chatCreatedAt);
```

That assumption breaks for **prebuilt workspaces**.
`ClaimPrebuiltWorkspace` rewrites `owner_id`, `name`, `updated_at`,
`last_used_at`, etc., but **never touches `created_at`**, which still
reflects when the prebuild was provisioned by the reconciler, often
hours before the chat exists. Result: every prebuild-claimed workspace
looks pre-existing, so the molly-guard fires.

Concrete example from a real chat:

| Field | Value |
|---|---|
| `chat.created_at` | `2026-05-07T15:12:23Z` |
| `workspace.created_at` (provision) | `2026-05-07T14:22:24Z` |
| `latest_build.created_at` (claim) | `2026-05-07T15:19:09Z` |

`14:22:24 < 15:12:23` so `isWorkspaceAutoCreated` returned false even
though the chat issued the claim.

## Fix (frontend-only)

Derive the moment a workspace was acquired from existing build history
rather than relying on `workspace.created_at`:

- Build #1 initiator = prebuilds system user → workspace was a prebuild
→ use `build_2.created_at` (the claim build) as the acquisition time.
- Build #1 initiator = real user → workspace was created from scratch →
use `workspace.created_at` (unchanged behavior).
- Unclaimed prebuild or no build history → return `null` (force
confirmation; safe degradation for a destructive flow).

The resolver fetches the build list via the existing
`getWorkspaceBuilds` endpoint when the dialog might fire. No new column,
no migration, no schema change. Works retroactively for all existing
claimed prebuilds; no backfill needed.

The prebuilds system user UUID is exposed via
`codersdk.PrebuildsSystemUserID` and typegen'd to `typesGenerated.ts`.
`coderd/database.PrebuildsSystemUserID` parses that constant via
`uuid.MustParse` so the two cannot drift; if the codersdk literal ever
changes, package init fails fast.

## History

The first draft of this PR added a `workspaces.claimed_at` column
populated by `ClaimPrebuiltWorkspace`. After review feedback from
@johnstcn pointing out that the same fact is already implicit in build
history, I pivoted to the frontend-only approach. Subsequent review
notes consolidated the prebuilds system user UUID into a single
typegen'd constant.

## Why not the other open PRs

- **#25055** (`chatKey` cache fallback) only fixes a different
cache-miss path; it explicitly notes it does not address `created_at <
chat.created_at`.
- **#25053** (`chats.workspace_auto_created` boolean) puts the truth on
the wrong side of the schema: "this workspace was claimed at time T" is
a property of the workspace, not the chat. The MCP plumbing it adds is
also unnecessary now that the same answer is available from build
history.

## Test plan

- `pnpm vitest run --project=unit
src/pages/AgentsPage/utils/agentWorkspaceUtils.test.ts` — 40/40 pass;
new cases cover prebuild claim before/after chat, unclaimed prebuild,
missing-build-history fallback, and the fetch-skip when the chat is not
in cache.
- `pnpm lint:types`, `pnpm check`, `make pre-commit`.

<details>
<summary>Disclosure</summary>

Opened on behalf of @kylecarbs by [Coder
Agents](https://coder.com/coder-agents).
</details>
 2026-05-10 11:04:55 -04:00
Susana Ferreira 72f7d70bab feat: allow TemplateAdmin to delete prebuilds via auth layer (#18333) 
## Description

This PR adds support for deleting prebuilt workspaces via the
authorization layer. It introduces special-case handling to ensure that
`prebuilt_workspace` permissions are evaluated when attempting to delete
a prebuilt workspace, falling back to the standard `workspace` resource
as needed.

Prebuilt workspaces are a subset of workspaces, identified by having
`owner_id` set to `PREBUILD_SYSTEM_USER`.
This means:
* A user with `prebuilt_workspace.delete` permission is allowed to
**delete only prebuilt workspaces**.
* A user with `workspace.delete` permission can **delete both normal and
prebuilt workspaces**.

⚠️ This implementation is scoped to **deletion operations only**. No
other operations are currently supported for the `prebuilt_workspace`
resource.

To delete a workspace, users must have the following permissions:
* `workspace.read`: to read the current workspace state
* `update`: to modify workspace metadata and related resources during
deletion (e.g., updating the `deleted` field in the database)
* `delete`: to perform the actual deletion of the workspace

## Changes

* Introduced `authorizeWorkspace()` helper to handle prebuilt workspace
authorization logic.
* Ensured both `prebuilt_workspace` and `workspace` permissions are
checked.
* Added comments to clarify the current behavior and limitations.
* Moved `SystemUserID` constant from the `prebuilds` package to the
`database` package `PrebuildsSystemUserID` to resolve an import cycle
(commit
https://github.com/coder/coder/pull/18333/commits/f24e4ab4b6f0a56726fd04be2d7302c9fdb52d53).
* Update middleware `ExtractOrganizationMember` to include system user
members.
 2025-06-20 17:36:32 +01:00