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feat: Revamp udash login - #9924
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Signed-off-by: Olblak <me@olblak.com>
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Included review availability: Your plan provides up to 4 included reviews per hour; 2 remain after this review. 📝 WalkthroughWalkthroughThe CLI now selects Udash credentials by API URL. Udash login uses bearer tokens, validates them through ChangesUdash authentication and reporting
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: 🟡 Moderate · up to Token login can expose durable API credentials when an HTTP Udash API URL is configured, potentially allowing interception and account access. This should be addressed before merge. Sequence Diagram(s)sequenceDiagram
participant CLI
participant Login
participant UdashWhoami
participant ConfigFile
CLI->>Login: endpoint, API endpoint, token
Login->>UdashWhoami: probe or validate bearer token
UdashWhoami-->>Login: status and identity
Login->>ConfigFile: persist credential
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Signed-off-by: Olblak <me@olblak.com>
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In `@pkg/core/udash/config_spec_test.go`:
- Line 74: Update writeConfigFile to call f.Chmod(0600) after opening an
existing udash.json, ensuring files with broader permissions are tightened
before or during truncation. Add a regression test covering an existing 0644
credential file and verify its resulting mode is 0600.
In `@pkg/core/udash/config_spec.go`:
- Line 65: After opening the credential file in the config setup flow, call
Chmod with mode 0600 before writing the durable token so existing files receive
the required permissions; handle any Chmod error consistently with the
surrounding OpenFile and write-error handling.
In `@pkg/core/udash/login.go`:
- Line 49: Update the endpoint handling around setDefaultHTTPSScheme to reject
explicit http:// udashAPIEndpoint values before whoami performs token validation
or sends the bearer token; continue allowing secure HTTPS endpoints and preserve
existing normalization for non-explicit-scheme URLs.
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📒 Files selected for processing (20)
cmd/apply.gocmd/compose_apply.gocmd/compose_diff.gocmd/diff.gocmd/flags.gocmd/pipeline_apply.gocmd/pipeline_diff.gocmd/root.gocmd/udash_login.gogo.modpkg/core/udash/config_spec.gopkg/core/udash/config_spec_test.gopkg/core/udash/login.gopkg/core/udash/login_test.gopkg/core/udash/logout.gopkg/core/udash/logout_test.gopkg/core/udash/main.gopkg/core/udash/oauthInfo.gopkg/core/udash/token.gopkg/core/udash/whoami.go
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- pkg/core/udash/main.go
- pkg/core/udash/oauthInfo.go
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Signed-off-by: Olblak <me@olblak.com>
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September 9, 2026 07:43
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The goal of this pr is to have a credential that Updatecli can hold that does not expire, for CI and
laptops alike, with Zitadel as the identity backend.
Zitadel cannot issue one from an interactive login — access-token lifetime is a
project setting, default 12h. So the durable credential has to be one Udash
issues and validates itself. Once that is true, Updatecli only ever needs to
carry a bearer token, and its OAuth client stops earning its keep.
pkg/core/udash/was written against Auth0 and could not have worked against Zitadel:{issuer}/authorize,{issuer}/oauth/token/oauth/v2/authorizeand/oauth/v2/token?audience=<api>on the authorize requestaudienceparameter; audience comes from the scopeurn:zitadel:iam:org:project:id:{id}:audscope=offline_accesson the token requestgetAccessTokenread onlyaccess_tokenrefresh_tokenandexpires_inwere thrown awaystateparameterAfter this change Updatecli never contacts an identity provider.
What changed
Deleted
pkg/core/udash/main.goauthorizeUser,cleanup,getAvailablePort,var Audience— the whole PKCE flowpkg/core/udash/oauthInfo.gogetOauthInfo, theGET {front}/config.jsondiscoverypkg/core/udash/token.gogetAccessTokenonly; the config accessors stayedgo.modgithub.com/nirasan/go-oauth-pkce-code-verifiergithub.com/skratchdot/open-golang/openstayed — still used to open the tokenspage.
golang.org/x/termwas promoted from indirect to direct.pkg/core/udash/login.go— rewrittenThree ways to supply the token:
Before storing anything it calls
GET {api}/whoami, so a typo'd or revoked tokenfails at login, not silently three weeks later when a pipeline tries to
publish.
It also probes whether the service authenticates at all:
/whoamionly existswhen a mode is configured, so a 404 means the instance is open and no token is
asked for. Without that, the default auth-disabled deployment could not be
registered — this was caught by a test after the first implementation.
pkg/core/udash/whoami.go— newcallWhoami/requiresToken/whoami. An older Udash with no/whoamiendpoint is accepted rather than refused, since the rest of its API may work fine.
Bug fixes carried along
config_spec.go—writeConfigFileusedos.Create, landing the file at0644. World-readable, for a file holding a bearer token that now neverexpires. It is
0600.logout.go— when the last credential was removed the function returnedbefore
writeConfigFile, so logging out of your only configured service neverpersisted. The write moved above the early return.
CLI surface
--token--oauth-access-token--token--oauth-clientId,--oauth-issuer,--oauth-audience--api-url,--reportAPINo deprecation aliases as the feature is gated behind
--experimental.udash.Audience→udash.APIURLSelector. It was never an OAuth audience — it isthe selector for which stored credential to use, set by
--reportAPI. The sixidentical
--reportAPIregistrations across apply/diff/compose/pipeline movedinto
addReportAPIFlag, matching the existingaddXFlaghelpers incmd/flags.go.Test
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