docs(19-01): complete AppRegistrationService plan execution

- 19-01-SUMMARY.md: service layer implementation with rollback pattern
- STATE.md: progress 98%, decisions added, session updated
- ROADMAP.md: phase 19 in-progress (1/2 plans)
- REQUIREMENTS.md: APPREG-02, APPREG-03, APPREG-06 marked complete
This commit is contained in:
Dev
2026-04-09 15:15:16 +02:00
parent 8083cdf7f5
commit 69c9d77be3
4 changed files with 135 additions and 14 deletions

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@@ -10,11 +10,11 @@ Requirements for v2.3 Tenant Management & Report Enhancements. Each maps to road
### App Registration
- [ ] **APPREG-01**: User can register the app on a target tenant from the profile create/edit dialog
- [ ] **APPREG-02**: App auto-detects if user has Global Admin permissions before attempting registration
- [ ] **APPREG-03**: App creates Azure AD application + service principal + grants required permissions atomically (with rollback on failure)
- [x] **APPREG-02**: App auto-detects if user has Global Admin permissions before attempting registration
- [x] **APPREG-03**: App creates Azure AD application + service principal + grants required permissions atomically (with rollback on failure)
- [ ] **APPREG-04**: User sees guided fallback instructions when auto-registration is not possible (insufficient permissions)
- [ ] **APPREG-05**: User can remove the app registration from a target tenant
- [ ] **APPREG-06**: App clears cached tokens and sessions when app registration is removed
- [x] **APPREG-06**: App clears cached tokens and sessions when app registration is removed
### Site Ownership
@@ -49,11 +49,11 @@ Requirements for v2.3 Tenant Management & Report Enhancements. Each maps to road
| Requirement | Phase | Status |
|-------------|-------|--------|
| APPREG-01 | Phase 19 | Pending |
| APPREG-02 | Phase 19 | Pending |
| APPREG-03 | Phase 19 | Pending |
| APPREG-02 | Phase 19 | Complete |
| APPREG-03 | Phase 19 | Complete |
| APPREG-04 | Phase 19 | Pending |
| APPREG-05 | Phase 19 | Pending |
| APPREG-06 | Phase 19 | Pending |
| APPREG-06 | Phase 19 | Complete |
| OWN-01 | Phase 18 | Complete |
| OWN-02 | Phase 18 | Complete |
| RPT-01 | Phase 17 | Complete |

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@@ -117,7 +117,7 @@ Plans:
3. Registration creates the Azure AD application, service principal, and grants all required API permissions in a single atomic operation — if any step fails, all partial changes are rolled back and the user sees a specific error explaining what failed and why
4. A "Remove App" action in the profile dialog removes the Azure AD application registration from the target tenant
5. After removal, all cached MSAL tokens and session state for that tenant are cleared, and subsequent operations require re-authentication
**Plans:** 2 plans
**Plans:** 1/2 plans executed
Plans:
- [ ] 19-01-PLAN.md — IAppRegistrationService + AppRegistrationResult model + TenantProfile.AppId + service implementation + unit tests
- [ ] 19-02-PLAN.md — ViewModel RegisterApp/RemoveApp commands + XAML dialog UI + fallback panel + localization + VM tests
@@ -133,4 +133,4 @@ Plans:
| 16. Report Consolidation Toggle | v2.3 | 2/2 | Complete | 2026-04-09 |
| 17. Group Expansion in HTML Reports | 2/2 | Complete | 2026-04-09 | — |
| 18. Auto-Take Ownership | 2/2 | Complete | 2026-04-09 | — |
| 19. App Registration & Removal | v2.3 | 0/2 | Planned | — |
| 19. App Registration & Removal | 1/2 | In Progress| | — |

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@@ -3,14 +3,14 @@ gsd_state_version: 1.0
milestone: v2.3
milestone_name: Tenant Management & Report Enhancements
status: planning
stopped_at: Completed 18-02-PLAN.md
last_updated: "2026-04-09T12:37:02.452Z"
stopped_at: Completed 19-01-PLAN.md
last_updated: "2026-04-09T13:15:04.040Z"
last_activity: 2026-04-09 — Roadmap created for v2.3 (phases 15-19)
progress:
total_phases: 5
completed_phases: 4
total_plans: 8
completed_plans: 8
total_plans: 10
completed_plans: 9
---
# Project State
@@ -76,6 +76,9 @@ Decisions are logged in PROJECT.md Key Decisions table.
- [Phase 18-auto-take-ownership]: AutoTakeOwnership ViewModel setter uses fire-and-forget pattern matching DataFolder
- [Phase 18-auto-take-ownership]: Toggle read before scan loop (not in exception filter) — await in when clause unsupported; pre-read bool preserves semantics
- [Phase 18-auto-take-ownership]: WasAutoElevated DataTrigger last in RowStyle.Triggers — amber wins over RiskLevel color
- [Phase 19-app-registration-removal]: AppRegistrationService uses AppGraphClientFactory alias to disambiguate from Microsoft.Graph.GraphClientFactory
- [Phase 19-app-registration-removal]: BuildRequiredResourceAccess declared internal to enable direct unit testing without live Graph calls
- [Phase 19-app-registration-removal]: SharePoint AllSites.FullControl GUID marked LOW confidence — must be verified against live tenant
### Pending Todos
@@ -87,7 +90,7 @@ None.
## Session Continuity
Last session: 2026-04-09T12:34:21.588Z
Stopped at: Completed 18-02-PLAN.md
Last session: 2026-04-09T13:15:04.038Z
Stopped at: Completed 19-01-PLAN.md
Resume file: None
Next step: `/gsd:plan-phase 15`

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@@ -0,0 +1,118 @@
---
phase: 19-app-registration-removal
plan: 01
subsystem: Services / Models
tags: [graph-api, app-registration, msal, unit-tests]
dependency_graph:
requires: [GraphClientFactory, MsalClientFactory, ISessionManager]
provides: [IAppRegistrationService, AppRegistrationService, AppRegistrationResult]
affects: [TenantProfile]
tech_stack:
added: []
patterns: [sequential-registration-with-rollback, transitiveMemberOf-admin-check, MSAL-session-eviction]
key_files:
created:
- SharepointToolbox/Core/Models/AppRegistrationResult.cs
- SharepointToolbox/Services/IAppRegistrationService.cs
- SharepointToolbox/Services/AppRegistrationService.cs
- SharepointToolbox.Tests/Services/AppRegistrationServiceTests.cs
modified:
- SharepointToolbox/Core/Models/TenantProfile.cs
decisions:
- "AppRegistrationService uses AppGraphClientFactory alias to disambiguate from Microsoft.Graph.GraphClientFactory (same pattern as GraphUserDirectoryService)"
- "PostAsync/DeleteAsync calls use named cancellationToken: ct parameter — Kiota-based Graph SDK v5 signatures have requestConfig as second positional arg"
- "BuildRequiredResourceAccess declared internal (not private) to enable direct unit testing without live Graph calls"
- "SharePoint AllSites.FullControl GUID (56680e0d-d2a3-4ae1-80d8-3c4a5c70c4a6) marked LOW confidence in code comment — must be verified against live tenant"
metrics:
duration: 4 minutes
completed: 2026-04-09
tasks_completed: 2
files_created: 4
files_modified: 1
---
# Phase 19 Plan 01: AppRegistrationService — Models, Interface, Implementation, and Tests Summary
**One-liner:** AppRegistrationService with atomic Graph API registration/rollback using transitiveMemberOf admin check, MSAL eviction, and AppRegistrationResult discriminated result type.
## Tasks Completed
| # | Name | Commit | Key Files |
|---|------|--------|-----------|
| 1 | Models + Interface + Service implementation | 93dbb8c | AppRegistrationResult.cs, TenantProfile.cs, IAppRegistrationService.cs, AppRegistrationService.cs |
| 2 | Unit tests for AppRegistrationService | 8083cdf | AppRegistrationServiceTests.cs |
## What Was Built
### AppRegistrationResult (Core/Models)
Discriminated result type with three static factory methods:
- `Success(appId)` — IsSuccess=true, carries appId
- `Failure(message)` — IsSuccess=false, carries error message
- `FallbackRequired()` — IsFallback=true, neither success nor error
### TenantProfile (Core/Models)
Added nullable `AppId` property. Defaults to null; stored to JSON via System.Text.Json when ProfileService persists profiles.
### IAppRegistrationService (Services)
Four-method interface:
- `IsGlobalAdminAsync` — transitiveMemberOf check, returns false on any exception
- `RegisterAsync` — sequential 4-step registration with rollback on failure
- `RemoveAsync` — deletes by appId, swallows exceptions (logs warning)
- `ClearMsalSessionAsync` — SessionManager + MSAL account eviction + cache unregister
### AppRegistrationService (Services)
Full implementation using GraphClientFactory (identical alias pattern to GraphUserDirectoryService). Registration flow:
1. Create Application object with RequiredResourceAccess (Graph + SharePoint scopes)
2. Create ServicePrincipal with AppId
3. Look up Microsoft Graph resource SP by filter
4. Look up SharePoint Online resource SP by filter
5. Post OAuth2PermissionGrant for Graph delegated scopes
6. Post OAuth2PermissionGrant for SharePoint delegated scopes
7. Rollback (best-effort DELETE) if any step fails
### Unit Tests (12 passing)
- AppRegistrationResult: 3 factory method tests
- TenantProfile.AppId: null default + JSON round-trip (null and non-null)
- Service constructor/interface check
- BuildRequiredResourceAccess: 2 resources, 4 Graph scopes, 1 SharePoint scope, all Type="Scope"
## Deviations from Plan
### Auto-fixed Issues
**1. [Rule 3 - Blocking] GraphClientFactory namespace ambiguity**
- **Found during:** Task 1 build
- **Issue:** `GraphClientFactory` is ambiguous between `SharepointToolbox.Infrastructure.Auth.GraphClientFactory` and `Microsoft.Graph.GraphClientFactory`
- **Fix:** Applied `AppGraphClientFactory` alias (same pattern used in GraphUserDirectoryService)
- **Files modified:** AppRegistrationService.cs
- **Commit:** 93dbb8c
**2. [Rule 3 - Blocking] Graph SDK v5 PostAsync CancellationToken position**
- **Found during:** Task 1 build
- **Issue:** `PostAsync(body, ct)` fails — Kiota-based SDK expects `(body, requestConfig?, cancellationToken)` so `ct` was matched to `requestConfig` parameter
- **Fix:** Used named parameter `cancellationToken: ct` on all PostAsync calls
- **Files modified:** AppRegistrationService.cs
- **Commit:** 93dbb8c
**3. [Rule 3 - Blocking] Using alias placement in test file**
- **Found during:** Task 2 compile
- **Issue:** Placed `using` aliases at bottom of file — C# requires all `using` declarations before namespace body
- **Fix:** Moved aliases to top of file with other using directives
- **Files modified:** AppRegistrationServiceTests.cs
- **Commit:** 8083cdf
## Self-Check: PASSED
Files exist:
- SharepointToolbox/Core/Models/AppRegistrationResult.cs — FOUND
- SharepointToolbox/Core/Models/TenantProfile.cs — FOUND (modified)
- SharepointToolbox/Services/IAppRegistrationService.cs — FOUND
- SharepointToolbox/Services/AppRegistrationService.cs — FOUND
- SharepointToolbox.Tests/Services/AppRegistrationServiceTests.cs — FOUND
Commits verified:
- 93dbb8c — feat(19-01): add AppRegistrationService with rollback, model, and interface
- 8083cdf — test(19-01): add unit tests for AppRegistrationService and models
Tests: 12 passed, 0 failed
Build: 0 errors, 0 warnings