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https://github.com/element-hq/synapse.git
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e1a429ae2e
Run `poetry run ./scripts-dev/lint.sh` which exposed some formatted Complement tests that were introduced in https://github.com/element-hq/synapse/pull/19509 There is no CI for this so it's easy to miss.
121 lines
4.0 KiB
Go
121 lines
4.0 KiB
Go
// This file is licensed under the Affero General Public License (AGPL) version 3.
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//
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// Copyright (C) 2026 Element Creations Ltd
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// See the GNU Affero General Public License for more details:
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// <https://www.gnu.org/licenses/agpl-3.0.html>.
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package synapse_tests
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import (
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"net/http"
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"net/url"
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"strings"
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"testing"
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dockerClient "github.com/docker/docker/client"
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"github.com/element-hq/synapse/tests/internal/dockerutil"
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"github.com/matrix-org/complement"
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"github.com/matrix-org/complement/client"
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"github.com/matrix-org/complement/match"
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"github.com/matrix-org/complement/must"
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)
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const OIDC_HOMESERVER_CONFIG string = `
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oidc_providers:
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- idp_id: "test_provider"
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idp_name: "Test OIDC Provider"
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issuer: "https://example.invalid"
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client_id: "test_client_id"
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client_secret: "test_secret"
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scopes: ["openid"]
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discover: true
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user_mapping_provider:
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module: "synapse.handlers.oidc.JinjaOidcMappingProvider"
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config:
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display_name_template: "{{ user.given_name }}"
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email_template: "{{ user.email }}"
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`
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// Test that Synapse still starts up when configured with an OIDC provider that is unavailable.
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//
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// This is a regression test: Synapse previously would fail to start up
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// at all if the OIDC provider was down on startup.
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// https://github.com/element-hq/synapse/issues/8088
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//
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// Now instead of failing to start, Synapse will produce a 503 response on the
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// `/_matrix/client/v3/login/sso/redirect/oidc-test_provider` endpoint.
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func TestOIDCProviderUnavailable(t *testing.T) {
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// Deploy a single homeserver
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deployment := complement.Deploy(t, 1)
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defer deployment.Destroy(t)
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// Get Docker client to manipulate container
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dc, err := dockerClient.NewClientWithOpts(
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dockerClient.FromEnv,
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dockerClient.WithAPIVersionNegotiation(),
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)
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must.NotError(t, "failed creating docker client", err)
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// Configure the OIDC Provider by writing a config fragment
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err = dockerutil.WriteFileIntoContainer(
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t,
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dc,
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deployment.ContainerID(t, "hs1"),
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"/conf/homeserver.d/oidc_provider.yaml",
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[]byte(OIDC_HOMESERVER_CONFIG),
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)
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if err != nil {
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t.Fatalf("Failed to write updated config to container: %v", err)
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}
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// Restart the homeserver to apply the new config
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deployment.StopServer(t, "hs1")
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// Careful: port number changes here
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deployment.StartServer(t, "hs1")
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// Must get after the restart so the port number is correct
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unauthedClient := deployment.UnauthenticatedClient(t, "hs1")
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// Test that trying to log in with an OIDC provider that is down
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// causes an HTML error page to be shown to the user.
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// (This replaces the redirect that would happen if the provider was
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// up.)
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//
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// More importantly, implicitly tests that Synapse can start up
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// and answer requests even though an OIDC provider is down.
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t.Run("/login/sso/redirect shows HTML error", func(t *testing.T) {
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// Build a request to the /redirect/ endpoint, that would normally be navigated to
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// by the user's browser in order to start the login flow.
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queryParams := url.Values{}
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queryParams.Add("redirectUrl", "http://redirect.invalid/redirect")
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res := unauthedClient.Do(
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t,
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"GET",
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[]string{"_matrix", "client", "v3", "login", "sso", "redirect", "oidc-test_provider"},
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client.WithQueries(queryParams),
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)
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body := must.MatchResponse(t, res, match.HTTPResponse{
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// Should get a 503
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StatusCode: http.StatusServiceUnavailable,
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Headers: map[string]string{
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// Should get an HTML page explaining the problem to the user
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"Content-Type": "text/html; charset=utf-8",
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},
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})
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bodyText := string(body)
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// The HTML page contains phrases from the template we expect
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if !strings.Contains(bodyText, "login provider is unavailable right now") {
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t.Fatalf("Keyword not found in HTML error page, got %s", bodyText)
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}
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})
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}
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