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git.stella-ops.org/src/Scanner/__Tests/StellaOps.Scanner.WebService.Tests/ReportsEndpointsTests.cs
StellaOps Bot 7d5250238c save progress
2025-12-18 09:53:46 +02:00

256 lines
11 KiB
C#

using System.Net;
using System.Net.Http.Json;
using System.Text;
using System.Text.Json;
using System.Text.Json.Serialization;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using StellaOps.Policy;
using StellaOps.Scanner.WebService.Contracts;
using StellaOps.Scanner.WebService.Services;
using System.Linq;
namespace StellaOps.Scanner.WebService.Tests;
public sealed class ReportsEndpointsTests
{
private static readonly JsonSerializerOptions SerializerOptions = new(JsonSerializerDefaults.Web)
{
DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull
};
[Fact]
public async Task ReportsEndpointReturnsSignedEnvelope()
{
const string policyYaml = """
version: "1.0"
rules:
- name: Block Critical
severity: [Critical]
action: block
""";
var hmacKey = Convert.ToBase64String(Encoding.UTF8.GetBytes("scanner-report-hmac-key-2025!"));
using var factory = new ScannerApplicationFactory().WithOverrides(configuration =>
{
configuration["scanner:signing:enabled"] = "true";
configuration["scanner:signing:keyId"] = "scanner-report-signing";
configuration["scanner:signing:algorithm"] = "hs256";
configuration["scanner:signing:keyPem"] = hmacKey;
configuration["scanner:features:enableSignedReports"] = "true";
});
var store = factory.Services.GetRequiredService<PolicySnapshotStore>();
await store.SaveAsync(
new PolicySnapshotContent(policyYaml, PolicyDocumentFormat.Yaml, "tester", "seed", "initial"),
CancellationToken.None);
using var client = factory.CreateClient();
var request = new ReportRequestDto
{
ImageDigest = "sha256:deadbeef",
Findings = new[]
{
new PolicyPreviewFindingDto
{
Id = "finding-1",
Severity = "Critical",
Source = "NVD",
Tags = new[] { "reachability:runtime" }
}
}
};
var response = await client.PostAsJsonAsync("/api/v1/reports", request);
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
var raw = await response.Content.ReadAsStringAsync();
Assert.False(string.IsNullOrWhiteSpace(raw), raw);
var payload = JsonSerializer.Deserialize<ReportResponseDto>(raw, SerializerOptions);
Assert.NotNull(payload);
Assert.NotNull(payload!.Report);
Assert.NotNull(payload.Dsse);
Assert.StartsWith("report-", payload.Report.ReportId, StringComparison.Ordinal);
Assert.Equal("blocked", payload.Report.Verdict);
var dsse = payload.Dsse!;
Assert.Equal("application/vnd.stellaops.report+json", dsse.PayloadType);
var decodedPayload = Convert.FromBase64String(dsse.Payload);
var canonicalPayload = JsonSerializer.SerializeToUtf8Bytes(payload.Report, SerializerOptions);
var expectedBase64 = Convert.ToBase64String(canonicalPayload);
Assert.Equal(expectedBase64, dsse.Payload);
var reportVerdict = Assert.Single(payload.Report.Verdicts);
Assert.Equal("NVD", reportVerdict.SourceTrust);
Assert.Equal("runtime", reportVerdict.Reachability);
Assert.NotNull(reportVerdict.Inputs);
Assert.True(reportVerdict.Inputs!.ContainsKey("severityWeight"));
Assert.Equal(PolicyScoringConfig.Default.Version, reportVerdict.ConfigVersion);
var signature = Assert.Single(dsse.Signatures);
Assert.Equal("scanner-report-signing", signature.KeyId);
Assert.Equal("hs256", signature.Algorithm, ignoreCase: true);
using var hmac = new System.Security.Cryptography.HMACSHA256(Convert.FromBase64String(hmacKey));
var expectedSig = Convert.ToBase64String(hmac.ComputeHash(decodedPayload));
var actualSig = signature.Signature;
Assert.True(expectedSig == actualSig, $"expected:{expectedSig}, actual:{actualSig}");
}
[Fact]
public async Task ReportsEndpointValidatesDigest()
{
using var factory = new ScannerApplicationFactory();
using var client = factory.CreateClient();
var request = new ReportRequestDto
{
ImageDigest = "",
Findings = Array.Empty<PolicyPreviewFindingDto>()
};
var response = await client.PostAsJsonAsync("/api/v1/reports", request);
Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
}
[Fact]
public async Task ReportsEndpointReturnsServiceUnavailableWhenPolicyMissing()
{
using var factory = new ScannerApplicationFactory();
using var client = factory.CreateClient();
var request = new ReportRequestDto
{
ImageDigest = "sha256:feedface",
Findings = new[]
{
new PolicyPreviewFindingDto { Id = "finding-1", Severity = "High" }
}
};
var response = await client.PostAsJsonAsync("/api/v1/reports", request);
Assert.Equal((HttpStatusCode)StatusCodes.Status503ServiceUnavailable, response.StatusCode);
}
[Fact]
public async Task ReportsEndpointPublishesPlatformEvents()
{
const string policyYaml = """
version: "1.0"
rules:
- name: Block Critical
severity: [Critical]
action: block
""";
using var factory = new ScannerApplicationFactory().WithOverrides(
configuration =>
{
configuration["scanner:signing:enabled"] = "true";
configuration["scanner:signing:keyId"] = "scanner-report-signing";
configuration["scanner:signing:algorithm"] = "hs256";
configuration["scanner:signing:keyPem"] = Convert.ToBase64String(Encoding.UTF8.GetBytes("scanner-report-hmac-key-events!"));
configuration["scanner:features:enableSignedReports"] = "true";
configuration["scanner:events:enabled"] = "true";
configuration["scanner:events:driver"] = "redis";
configuration["scanner:events:dsn"] = "redis://tests";
configuration["scanner:events:stream"] = "stella.events.tests";
configuration["scanner:events:publishTimeoutSeconds"] = "5";
configuration["scanner:events:maxStreamLength"] = "100";
},
services =>
{
services.RemoveAll<IPlatformEventPublisher>();
services.AddSingleton<RecordingPlatformEventPublisher>();
services.AddSingleton<IPlatformEventPublisher>(sp => sp.GetRequiredService<RecordingPlatformEventPublisher>());
});
var store = factory.Services.GetRequiredService<PolicySnapshotStore>();
var saveResult = await store.SaveAsync(
new PolicySnapshotContent(policyYaml, PolicyDocumentFormat.Yaml, "tester", "seed", "initial"),
CancellationToken.None);
var revisionId = saveResult.Snapshot?.RevisionId ?? string.Empty;
var recorder = factory.Services.GetRequiredService<RecordingPlatformEventPublisher>();
using var client = factory.CreateClient();
var request = new ReportRequestDto
{
ImageDigest = "sha256:cafebabe",
Findings = new[]
{
new PolicyPreviewFindingDto
{
Id = "finding-42",
Severity = "Critical",
Repository = "acme/edge/api",
Tags = new[] { "reachability:runtime", "kev:CVE-2024-1234" }
}
}
};
var response = await client.PostAsJsonAsync("/api/v1/reports", request);
response.EnsureSuccessStatusCode();
Assert.Equal(2, recorder.Events.Count);
var ready = recorder.Events.Single(evt => evt.Kind == OrchestratorEventKinds.ScannerReportReady);
var completed = recorder.Events.Single(evt => evt.Kind == OrchestratorEventKinds.ScannerScanCompleted);
Assert.Equal("default", ready.Tenant);
Assert.Equal("default", completed.Tenant);
Assert.NotEqual(Guid.Empty, ready.EventId);
Assert.NotEqual(Guid.Empty, completed.EventId);
var readyPayload = Assert.IsType<ReportReadyEventPayload>(ready.Payload);
var completedPayload = Assert.IsType<ScanCompletedEventPayload>(completed.Payload);
Assert.Equal(readyPayload.ReportId, completedPayload.ReportId);
Assert.Equal("sha256:cafebabe", completedPayload.ImageDigest);
Assert.Equal("fail", readyPayload.Verdict);
Assert.Equal("acme/edge", ready.Scope?.Namespace);
Assert.Equal("api", ready.Scope?.Repo);
Assert.Equal("sha256:cafebabe", ready.Scope?.Digest);
Assert.NotNull(readyPayload.Dsse);
Assert.Equal(readyPayload.ReportId, readyPayload.Report.ReportId);
Assert.Equal("http://localhost/ui/reports/" + readyPayload.ReportId, readyPayload.Links.Report?.Ui);
Assert.Equal("http://localhost/api/v1/reports/" + readyPayload.ReportId, readyPayload.Links.Report?.Api);
if (!string.IsNullOrWhiteSpace(revisionId))
{
Assert.Equal("http://localhost/ui/policy/revisions/" + revisionId, readyPayload.Links.Policy?.Ui);
Assert.Equal("http://localhost/api/v1/policy/revisions/" + revisionId, readyPayload.Links.Policy?.Api);
}
Assert.Equal("http://localhost/ui/attestations/" + readyPayload.ReportId, readyPayload.Links.Attestation?.Ui);
Assert.Equal("http://localhost/api/v1/reports/" + readyPayload.ReportId + "/attestation", readyPayload.Links.Attestation?.Api);
Assert.Equal("fail", completedPayload.Verdict);
Assert.NotEmpty(completedPayload.Findings);
Assert.Equal("finding-42", completedPayload.Findings[0].Id);
Assert.Equal("http://localhost/api/v1/reports/" + completedPayload.ReportId, completedPayload.Links.Report?.Api);
Assert.Equal("http://localhost/ui/reports/" + completedPayload.ReportId, completedPayload.Links.Report?.Ui);
if (!string.IsNullOrWhiteSpace(revisionId))
{
Assert.Equal("http://localhost/ui/policy/revisions/" + revisionId, completedPayload.Links.Policy?.Ui);
Assert.Equal("http://localhost/api/v1/policy/revisions/" + revisionId, completedPayload.Links.Policy?.Api);
}
Assert.Equal("http://localhost/ui/attestations/" + completedPayload.ReportId, completedPayload.Links.Attestation?.Ui);
Assert.Equal("http://localhost/api/v1/reports/" + completedPayload.ReportId + "/attestation", completedPayload.Links.Attestation?.Api);
}
private sealed class RecordingPlatformEventPublisher : IPlatformEventPublisher
{
public List<OrchestratorEvent> Events { get; } = new();
public Task PublishAsync(OrchestratorEvent @event, CancellationToken cancellationToken = default)
{
Events.Add(@event);
return Task.CompletedTask;
}
}
}