server-monitor-manager/src/ServerMonitorManager.Control/Program.cs

1251 lines
46 KiB
C#

using System.Security.Claims;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Text.Json;
using System.Threading.RateLimiting;
using Microsoft.AspNetCore.Authentication.Certificate;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Server.Kestrel.Https;
using Microsoft.Data.Sqlite;
using Microsoft.Extensions.Options;
using ServerMonitorManager.Control;
using ServerMonitorManager.Core;
const string AutomationSourceClaim = "smm:source_node_id";
var builder = WebApplication.CreateBuilder(args);
builder.Services.AddProblemDetails();
builder.Services.AddHealthChecks();
builder.Services.AddRateLimiter(options =>
{
options.RejectionStatusCode = StatusCodes.Status429TooManyRequests;
options.AddPolicy("enrollment", context => RateLimitPartition.GetFixedWindowLimiter(
context.Connection.RemoteIpAddress?.ToString() ?? "unknown",
_ => new FixedWindowRateLimiterOptions
{
PermitLimit = 10,
Window = TimeSpan.FromMinutes(1),
QueueLimit = 0,
AutoReplenishment = true
}));
});
builder.Services.ConfigureHttpJsonOptions(options =>
options.SerializerOptions.TypeInfoResolverChain.Insert(0, SmmJsonContext.Default));
builder.Services.AddOptions<ControlOptions>()
.Bind(builder.Configuration.GetSection(ControlOptions.SectionName))
.Validate(options =>
!string.IsNullOrWhiteSpace(options.DatabasePath)
&& !string.IsNullOrWhiteSpace(options.CertificateAuthorityPath)
&& !string.IsNullOrWhiteSpace(options.HubHelperPath)
&& !string.IsNullOrWhiteSpace(options.PrivilegeEscalationPath)
&& !string.IsNullOrWhiteSpace(options.BackupDirectory)
&& options.HeartbeatSeconds is >= 10 and <= 300
&& options.MaxBufferedMetricAgeHours is >= 1 and <= 168
&& options.MetricRetentionHours is >= 24 and <= 8760
&& options.IdempotencyRetentionHours is >= 1 and <= 720
&& options.AuditRetentionDays is >= 1 and <= 3650
&& options.LinkRetentionDays is >= 1 and <= 3650
&& options.MaintenanceIntervalMinutes is >= 1 and <= 1440
&& options.LinkExpirationPollSeconds is >= 1 and <= 300
&& options.LinkReconciliationSeconds is >= 30 and <= 3600
&& options.BackupIntervalHours is >= 1 and <= 720
&& options.BackupRetentionCount is >= 1 and <= 100
&& options.ClientCertificateDays is >= 1 and <= 90,
"Invalid Control paths, heartbeat, retention, maintenance, expiration, reconciliation, or backup settings.")
.ValidateOnStart();
builder.Services.AddSingleton(TimeProvider.System);
builder.Services.AddSingleton<ControlStore>();
builder.Services.AddSingleton<CertificateAuthority>();
builder.Services.AddSingleton<ControlEventBroker>();
builder.Services.AddSingleton<ILinkPolicyApplier, LinkPolicyApplier>();
builder.Services.AddSingleton<LinkService>();
builder.Services.AddSingleton<CertificateLifecycleService>();
builder.Services.AddSingleton<NodeEnrollmentService>();
builder.Services.AddSingleton<ControlBackupService>();
builder.Services.AddHostedService<LinkExpirationBackgroundService>();
builder.Services.AddHostedService<LinkReconciliationBackgroundService>();
builder.Services.AddHostedService<ControlMaintenanceBackgroundService>();
builder.Services.AddAuthentication(CertificateAuthenticationDefaults.AuthenticationScheme)
.AddCertificate(options =>
{
options.AllowedCertificateTypes = CertificateTypes.All;
options.RevocationMode = X509RevocationMode.NoCheck;
options.ValidateCertificateUse = true;
options.ValidateValidityPeriod = true;
options.Events = new CertificateAuthenticationEvents
{
OnCertificateValidated = async context =>
{
var store = context.HttpContext.RequestServices.GetRequiredService<ControlStore>();
var identity = await store.ResolveIdentityAsync(context.ClientCertificate.Thumbprint);
if (identity is null)
{
context.Fail("The agent certificate is unknown, expired, or revoked.");
return;
}
var claims = new List<Claim>
{
new(ClaimTypes.NameIdentifier, identity.Id),
new(ClaimTypes.Role, identity.Role)
};
if (identity.SourceNodeId is not null)
{
claims.Add(new Claim(AutomationSourceClaim, identity.SourceNodeId));
}
context.Principal = new ClaimsPrincipal(new ClaimsIdentity(claims, context.Scheme.Name));
context.Success();
}
};
});
builder.Services.AddOptions<CertificateAuthenticationOptions>(
CertificateAuthenticationDefaults.AuthenticationScheme)
.Configure<CertificateAuthority>((options, authority) =>
{
options.ChainTrustValidationMode = X509ChainTrustMode.CustomRootTrust;
options.CustomTrustStore.Add(authority.PublicCertificate);
});
builder.Services.AddAuthorization(options =>
{
options.AddPolicy("Agent", policy => policy.RequireRole("Agent"));
options.AddPolicy("Operator", policy => policy.RequireRole("Operator"));
options.AddPolicy("Automation", policy => policy.RequireRole("Automation"));
});
builder.WebHost.ConfigureKestrel(options =>
{
options.Limits.MaxRequestBodySize = 64 * 1024;
options.ConfigureHttpsDefaults(https =>
https.ClientCertificateMode = ClientCertificateMode.AllowCertificate);
});
var app = builder.Build();
app.UseExceptionHandler();
app.UseHsts();
app.UseRateLimiter();
app.UseAuthentication();
app.UseAuthorization();
var store = app.Services.GetRequiredService<ControlStore>();
var backupService = app.Services.GetRequiredService<ControlBackupService>();
if (args is ["backup-restore", var backupPath])
{
await backupService.RestoreAsync(backupPath);
Console.WriteLine("Control backup restored. Start the service and verify /healthz.");
return 0;
}
await store.InitializeAsync();
if (args is ["backup-create"])
{
var createdBackupPath = await backupService.CreateAsync(DateTimeOffset.UtcNow);
Console.WriteLine(createdBackupPath);
return 0;
}
if (args is ["token-create", var nodeId])
{
if (!NodeIdValidator.IsValid(nodeId))
{
Console.Error.WriteLine("Node id must contain 1-63 lowercase letters, digits, or hyphens.");
return 2;
}
Console.WriteLine(await store.CreateEnrollmentTokenAsync(nodeId, TimeSpan.FromMinutes(10)));
return 0;
}
if (args is ["device-token-create", var deviceId])
{
if (!NodeIdValidator.IsValid(deviceId))
{
Console.Error.WriteLine("Device id must contain 1-63 lowercase letters, digits, or hyphens.");
return 2;
}
Console.WriteLine(await store.CreateDeviceEnrollmentTokenAsync(deviceId, TimeSpan.FromMinutes(10)));
return 0;
}
if (args is ["automation-token-create", var automationId, var sourceNodeId])
{
if (!NodeIdValidator.IsValid(automationId) || !NodeIdValidator.IsValid(sourceNodeId))
{
Console.Error.WriteLine("Automation and source Node ids must contain 1-63 lowercase letters, digits, or hyphens.");
return 2;
}
var response = await store.CreateAutomationTokenAsync(
new AutomationTokenCreateRequest(
automationId, sourceNodeId, Guid.NewGuid().ToString()),
"hub-cli",
TimeSpan.FromMinutes(10));
Console.WriteLine(JsonSerializer.Serialize(response, SmmJsonContext.Default.AutomationTokenResponse));
return 0;
}
app.MapHealthChecks("/healthz").AllowAnonymous();
app.MapPost("/api/v1/enroll", async (
EnrollmentRequest request,
ControlStore controlStore,
CertificateAuthority authority,
CancellationToken cancellationToken) =>
{
if (!NodeIdValidator.IsValid(request.NodeId)
|| string.IsNullOrWhiteSpace(request.Token)
|| string.IsNullOrWhiteSpace(request.CertificateSigningRequestPem)
|| !IdempotencyKeyValidator.IsValid(request.IdempotencyKey))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["request"] = ["Invalid enrollment request."]
});
}
EnrollmentResponse? response;
try
{
response = await controlStore.EnrollAsync(
request,
() => authority.IssueClientCertificate(request.NodeId, request.CertificateSigningRequestPem),
cancellationToken);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails
{
Title = "Idempotency key conflict",
Status = StatusCodes.Status409Conflict
});
}
catch (Exception exception) when (exception is CryptographicException or InvalidOperationException)
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["certificateSigningRequestPem"] = ["Invalid certificate signing request."]
});
}
return response is null
? Results.Unauthorized()
: Results.Ok(response);
}).AllowAnonymous().RequireRateLimiting("enrollment");
app.MapPost("/api/v1/device-enroll", async (
DeviceEnrollmentRequest request,
ControlStore controlStore,
CertificateAuthority authority,
CancellationToken cancellationToken) =>
{
if (!NodeIdValidator.IsValid(request.DeviceId)
|| string.IsNullOrWhiteSpace(request.Token)
|| string.IsNullOrWhiteSpace(request.CertificateSigningRequestPem)
|| !IdempotencyKeyValidator.IsValid(request.IdempotencyKey))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["request"] = ["Invalid device enrollment request."]
});
}
try
{
var response = await controlStore.EnrollDeviceAsync(
request,
() => authority.IssueClientCertificate(request.DeviceId, request.CertificateSigningRequestPem),
cancellationToken);
return response is null ? Results.Unauthorized() : Results.Ok(response);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails
{
Title = "Idempotency key conflict",
Status = StatusCodes.Status409Conflict
});
}
catch (Exception exception) when (exception is CryptographicException or InvalidOperationException)
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["certificateSigningRequestPem"] = ["Invalid certificate signing request."]
});
}
}).AllowAnonymous().RequireRateLimiting("enrollment");
app.MapPost("/api/v1/automation-enroll", async (
AutomationEnrollmentRequest request,
ControlStore controlStore,
CertificateAuthority authority,
CancellationToken cancellationToken) =>
{
if (!NodeIdValidator.IsValid(request.AutomationId)
|| string.IsNullOrWhiteSpace(request.Token)
|| string.IsNullOrWhiteSpace(request.CertificateSigningRequestPem)
|| !IdempotencyKeyValidator.IsValid(request.IdempotencyKey))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["request"] = ["Invalid automation enrollment request."]
});
}
try
{
var response = await controlStore.EnrollAutomationAsync(
request,
() => authority.IssueClientCertificate(
request.AutomationId, request.CertificateSigningRequestPem),
cancellationToken);
return response is null ? Results.Unauthorized() : Results.Ok(response);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails
{
Title = "Idempotency key conflict",
Status = StatusCodes.Status409Conflict
});
}
catch (Exception exception) when (exception is CryptographicException or InvalidOperationException)
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["certificateSigningRequestPem"] = ["Invalid certificate signing request."]
});
}
}).AllowAnonymous().RequireRateLimiting("enrollment");
var agents = app.MapGroup("/api/v1/agents").RequireAuthorization("Agent");
agents.MapPost("/heartbeat", async (
AgentHeartbeat heartbeat,
HttpContext context,
ControlStore controlStore,
LinkService linkService,
IOptions<ControlOptions> options,
CancellationToken cancellationToken) =>
{
if (!NodeIdValidator.IsValid(heartbeat.NodeId)
|| !IdempotencyKeyValidator.IsValid(heartbeat.IdempotencyKey)
|| heartbeat.SentAt < DateTimeOffset.UtcNow.AddHours(-options.Value.MaxBufferedMetricAgeHours)
|| heartbeat.SentAt > DateTimeOffset.UtcNow.AddMinutes(1))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["heartbeat"] = ["Invalid or stale heartbeat."]
});
}
var certificate = await context.Connection.GetClientCertificateAsync(cancellationToken);
if (certificate is null)
{
return Results.Unauthorized();
}
if (!await controlStore.IsCertificateForNodeAsync(
certificate.Thumbprint,
heartbeat.NodeId,
cancellationToken))
{
return Results.Forbid();
}
try
{
var mutation = await controlStore.RecordHeartbeatAsync(
heartbeat,
options.Value.HeartbeatSeconds,
cancellationToken);
if (mutation.RequiresReconciliation)
{
var reconciliation = await linkService.ReconcileLinksForNodeAsync(
heartbeat.NodeId, cancellationToken);
if (reconciliation.Failed == 0)
{
await controlStore.CompleteAgentReconciliationAsync(
heartbeat.NodeId, cancellationToken);
}
}
var broker = context.RequestServices.GetRequiredService<ControlEventBroker>();
broker.Publish(
"agent.heartbeat",
heartbeat.NodeId,
JsonSerializer.Serialize(heartbeat, SmmJsonContext.Default.AgentHeartbeat));
return Results.Ok(mutation.Response);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails
{
Title = "Idempotency key conflict",
Status = StatusCodes.Status409Conflict
});
}
});
agents.MapPost("/certificate/renew", async (
CertificateRenewalRequest request,
HttpContext context,
CertificateLifecycleService lifecycle,
CancellationToken cancellationToken) =>
{
var nodeId = context.User.FindFirstValue(ClaimTypes.NameIdentifier);
if (string.IsNullOrWhiteSpace(nodeId)
|| !NodeIdValidator.IsValid(nodeId)
|| !IdempotencyKeyValidator.IsValid(request.IdempotencyKey))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["request"] = ["Invalid node id or idempotency key."]
});
}
try
{
var issued = await lifecycle.RenewAgentCertificateAsync(
nodeId, request, nodeId, cancellationToken);
return Results.Ok(new CertificateRenewalResponse(
nodeId, issued.CertificatePem, issued.CertificateAuthorityPem, issued.ExpiresAt));
}
catch (InvalidOperationException exception)
{
return Results.Conflict(new ProblemDetails { Title = exception.Message });
}
});
agents.MapGet("/provisioning/jobs/next", async (
HttpContext context,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
var nodeId = context.User.FindFirstValue(ClaimTypes.NameIdentifier);
if (string.IsNullOrWhiteSpace(nodeId) || !NodeIdValidator.IsValid(nodeId))
{
return Results.Forbid();
}
var job = await controlStore.ClaimNextProvisioningJobAsync(nodeId, cancellationToken);
return job is null ? Results.NoContent() : Results.Ok(job);
});
agents.MapPost("/provisioning/jobs/{id}/progress", async (
string id,
ProvisioningJobProgressRequest request,
HttpContext context,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
var nodeId = context.User.FindFirstValue(ClaimTypes.NameIdentifier);
if (string.IsNullOrWhiteSpace(nodeId)
|| !NodeIdValidator.IsValid(nodeId)
|| !ProvisioningJobValidator.IsValidId(id)
|| !ProvisioningJobValidator.IsValid(request))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["provisioningProgress"] =
["Invalid job id, state, progress, step, event code, message, or idempotency key."]
});
}
try
{
var job = await controlStore.ReportProvisioningProgressAsync(
nodeId, id, request, cancellationToken);
return job is null ? Results.NotFound() : Results.Ok(job);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails { Title = "Idempotency key conflict" });
}
catch (ProvisioningTransitionException exception)
{
return Results.Conflict(new ProblemDetails { Title = exception.Message });
}
});
agents.MapPost("/provisioning/jobs/{id}/preflight-facts", async (
string id,
ProvisioningPreflightReportRequest request,
HttpContext context,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
var nodeId = context.User.FindFirstValue(ClaimTypes.NameIdentifier);
if (string.IsNullOrWhiteSpace(nodeId)
|| !NodeIdValidator.IsValid(nodeId)
|| !ProvisioningJobValidator.IsValidId(id)
|| !ProvisioningJobValidator.IsValid(request))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["preflightFacts"] = ["Invalid job id, facts, observation time, or idempotency key."]
});
}
try
{
var facts = await controlStore.RecordPreflightFactsAsync(
nodeId, id, request, cancellationToken);
return facts is null ? Results.NotFound() : Results.Ok(facts);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails { Title = "Idempotency key conflict" });
}
catch (ProvisioningTransitionException exception)
{
return Results.Conflict(new ProblemDetails { Title = exception.Message });
}
});
agents.MapPost("/provisioning/jobs/{id}/base-install-plan", async (
string id,
SystemBaseInstallPlanReportRequest request,
HttpContext context,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
var nodeId = context.User.FindFirstValue(ClaimTypes.NameIdentifier);
if (string.IsNullOrWhiteSpace(nodeId)
|| !NodeIdValidator.IsValid(nodeId)
|| !ProvisioningJobValidator.IsValidId(id)
|| !ProvisioningJobValidator.IsValid(request))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["baseInstallPlan"] = ["Invalid job id, plan, or idempotency key."]
});
}
try
{
var plan = await controlStore.RecordBaseInstallPlanAsync(
nodeId, id, request, cancellationToken);
return plan is null ? Results.NotFound() : Results.Ok(plan);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails { Title = "Idempotency key conflict" });
}
catch (ProvisioningTransitionException exception)
{
return Results.Conflict(new ProblemDetails { Title = exception.Message });
}
catch (ProvisioningPlanValidationException exception)
{
return Results.BadRequest(new ProblemDetails { Title = exception.Message });
}
});
agents.MapPost("/provisioning/jobs/{id}/execution-grant", async (
string id,
ProvisioningExecutionGrantRequest request,
HttpContext context,
ControlStore controlStore,
CertificateAuthority authority,
TimeProvider timeProvider,
CancellationToken cancellationToken) =>
{
var nodeId = context.User.FindFirstValue(ClaimTypes.NameIdentifier);
if (string.IsNullOrWhiteSpace(nodeId)
|| !NodeIdValidator.IsValid(nodeId)
|| !ProvisioningJobValidator.IsValidId(id)
|| !ProvisioningJobValidator.IsValid(request))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["executionGrant"] = ["Invalid job id or idempotency key."]
});
}
try
{
var grant = await controlStore.IssueBaseInstallExecutionGrantAsync(
nodeId,
id,
request,
(job, plan) => authority.SignProvisioningExecutionGrant(
job, plan, timeProvider.GetUtcNow(), TimeSpan.FromMinutes(2)),
cancellationToken);
return grant is null ? Results.NotFound() : Results.Ok(grant);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails { Title = "Idempotency key conflict" });
}
catch (ProvisioningTransitionException exception)
{
return Results.Conflict(new ProblemDetails { Title = exception.Message });
}
});
var control = app.MapGroup("/api/v1/control").RequireAuthorization("Operator");
control.MapPost("/certificates/renew", async (
CertificateRenewalRequest request,
HttpContext context,
CertificateLifecycleService lifecycle,
CancellationToken cancellationToken) =>
{
var deviceId = context.User.FindFirstValue(ClaimTypes.NameIdentifier);
if (string.IsNullOrWhiteSpace(deviceId)
|| !NodeIdValidator.IsValid(deviceId)
|| !IdempotencyKeyValidator.IsValid(request.IdempotencyKey))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["request"] = ["Invalid device id or idempotency key."]
});
}
try
{
var issued = await lifecycle.RenewDeviceCertificateAsync(
deviceId, request, deviceId, cancellationToken);
return Results.Ok(new CertificateRenewalResponse(
deviceId, issued.CertificatePem, issued.CertificateAuthorityPem, issued.ExpiresAt));
}
catch (InvalidOperationException exception)
{
return Results.Conflict(new ProblemDetails { Title = exception.Message });
}
});
control.MapPost("/agents/{nodeId}/enrollment-code", async (
string nodeId,
HttpContext context,
NodeEnrollmentService enrollmentService,
CancellationToken cancellationToken) =>
{
if (!NodeIdValidator.IsValid(nodeId))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["nodeId"] = ["Node id must contain 1-63 lowercase letters, digits, or hyphens."]
});
}
var actor = context.User.FindFirstValue(ClaimTypes.NameIdentifier) ?? "unknown";
try
{
var response = await enrollmentService.CreateEnrollmentCodeAsync(
nodeId, actor, cancellationToken);
return Results.Ok(response);
}
catch (InvalidOperationException exception)
{
return Results.Conflict(new ProblemDetails { Title = exception.Message });
}
}).RequireRateLimiting("enrollment");
control.MapPost("/nodes/{nodeId}/enrollment-code", async (
string nodeId,
HttpContext context,
NodeEnrollmentService enrollmentService,
CancellationToken cancellationToken) =>
{
if (!NodeIdValidator.IsValid(nodeId))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["nodeId"] = ["Node id must contain 1-63 lowercase letters, digits, or hyphens."]
});
}
var actor = context.User.FindFirstValue(ClaimTypes.NameIdentifier) ?? "unknown";
try
{
var response = await enrollmentService.CreateEnrollmentCodeAsync(
nodeId, actor, cancellationToken);
return Results.Ok(response);
}
catch (InvalidOperationException exception)
{
return Results.Conflict(new ProblemDetails { Title = exception.Message });
}
}).RequireRateLimiting("enrollment");
control.MapGet("/agents", async (ControlStore controlStore, CancellationToken cancellationToken) =>
Results.Ok((await controlStore.ListAgentsAsync(cancellationToken)).ToArray()));
control.MapGet("/provisioning/catalogs/system-base-install/1", () =>
Results.Ok(SystemBaseInstallCatalogDefinition.Create()));
control.MapGet("/agents/{nodeId}/facts/preflight", async (
string nodeId,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
if (!NodeIdValidator.IsValid(nodeId))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["nodeId"] = ["Invalid node id."]
});
}
var facts = await controlStore.GetPreflightFactsAsync(nodeId, cancellationToken);
return facts is null ? Results.NotFound() : Results.Ok(facts);
});
control.MapPut("/agents/{nodeId}/desired/preflight", async (
string nodeId,
PreflightDesiredStateUpdateRequest request,
HttpContext context,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
if (!NodeIdValidator.IsValid(nodeId) || !PreflightDesiredStateValidator.IsValid(request))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["preflightDesiredState"] =
["Invalid schema, requirements, architectures, audit reason, or idempotency key."]
});
}
try
{
var actor = context.User.FindFirstValue(ClaimTypes.NameIdentifier)!;
var desired = await controlStore.SetPreflightDesiredStateAsync(
nodeId, request, actor, cancellationToken);
return Results.Ok(desired);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails { Title = "Idempotency key conflict" });
}
catch (ProvisioningNodeNotFoundException)
{
return Results.NotFound();
}
});
control.MapGet("/agents/{nodeId}/drift/preflight", async (
string nodeId,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
if (!NodeIdValidator.IsValid(nodeId))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["nodeId"] = ["Invalid node id."]
});
}
var assessment = await controlStore.AssessPreflightDriftAsync(nodeId, cancellationToken);
return assessment is null ? Results.NotFound() : Results.Ok(assessment);
});
control.MapPost("/agents/{nodeId}/provisioning/jobs", async (
string nodeId,
ProvisioningJobCreateRequest request,
HttpContext context,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
if (!NodeIdValidator.IsValid(nodeId) || !ProvisioningJobValidator.IsValid(request))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["provisioningJob"] =
["Invalid node id, action schema, parameters, TTL, audit reason, or idempotency key."]
});
}
try
{
var actor = context.User.FindFirstValue(ClaimTypes.NameIdentifier)!;
var job = await controlStore.CreateProvisioningJobAsync(
nodeId, request, actor, cancellationToken);
return Results.Created($"/api/v1/control/provisioning/jobs/{job.Id}", job);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails { Title = "Idempotency key conflict" });
}
catch (ProvisioningNodeNotFoundException)
{
return Results.NotFound();
}
catch (SqliteException exception) when (exception.SqliteErrorCode == 19)
{
return Results.Conflict(new ProblemDetails
{
Title = "The node already has an incompatible active provisioning job."
});
}
});
control.MapGet("/provisioning/jobs/{id}", async (
string id,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
if (!ProvisioningJobValidator.IsValidId(id))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["provisioningJob"] = ["Invalid provisioning job id."]
});
}
var job = await controlStore.GetProvisioningJobAsync(id, cancellationToken);
return job is null ? Results.NotFound() : Results.Ok(job);
});
control.MapGet("/provisioning/jobs/{id}/plan", async (
string id,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
if (!ProvisioningJobValidator.IsValidId(id))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["baseInstallPlan"] = ["Invalid provisioning job id."]
});
}
var plan = await controlStore.GetBaseInstallPlanAsync(id, cancellationToken);
return plan is null ? Results.NotFound() : Results.Ok(plan);
});
control.MapGet("/provisioning/jobs/{id}/events", async (
string id,
int? limit,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
if (!ProvisioningJobValidator.IsValidId(id) || limit is < 1 or > 200)
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["provisioningEvents"] = ["Invalid provisioning job id or limit (1-200)."]
});
}
var events = await controlStore.ListProvisioningEventsAsync(
id, limit ?? 100, cancellationToken);
return events is null ? Results.NotFound() : Results.Ok(events.ToArray());
});
control.MapPost("/provisioning/jobs/{id}/confirm", async (
string id,
ProvisioningJobCommandRequest request,
HttpContext context,
ControlStore controlStore,
CancellationToken cancellationToken) =>
await ChangeProvisioningJobAsync(
id, request, context, controlStore, confirm: true, cancellationToken));
control.MapPost("/provisioning/jobs/{id}/cancel", async (
string id,
ProvisioningJobCommandRequest request,
HttpContext context,
ControlStore controlStore,
CancellationToken cancellationToken) =>
await ChangeProvisioningJobAsync(
id, request, context, controlStore, confirm: false, cancellationToken));
control.MapPost("/provisioning/jobs/{id}/retry", async (
string id,
ProvisioningJobCommandRequest request,
HttpContext context,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
if (!ProvisioningJobValidator.IsValidId(id)
|| !ProvisioningJobValidator.IsValid(request))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["provisioningJob"] = ["Invalid job id, reason, or idempotency key."]
});
}
try
{
var actor = context.User.FindFirstValue(ClaimTypes.NameIdentifier)!;
var job = await controlStore.RetryProvisioningJobAsync(
id, request, actor, cancellationToken);
return job is null ? Results.NotFound() : Results.Ok(job);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails { Title = "Idempotency key conflict" });
}
catch (ProvisioningTransitionException exception)
{
return Results.Conflict(new ProblemDetails { Title = exception.Message });
}
});
control.MapPost("/provisioning/jobs/{id}/rollback", async (
string id,
ProvisioningJobCommandRequest request,
HttpContext context,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
if (!ProvisioningJobValidator.IsValidId(id)
|| !ProvisioningJobValidator.IsValid(request))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["provisioningJob"] = ["Invalid job id, reason, or idempotency key."]
});
}
try
{
var actor = context.User.FindFirstValue(ClaimTypes.NameIdentifier)!;
var job = await controlStore.StartProvisioningRollbackAsync(
id, request, actor, cancellationToken);
return job is null ? Results.NotFound() : Results.Ok(job);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails { Title = "Idempotency key conflict" });
}
catch (ProvisioningTransitionException exception)
{
return Results.Conflict(new ProblemDetails { Title = exception.Message });
}
});
control.MapPost("/automations/token", async (
AutomationTokenCreateRequest request,
HttpContext context,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
if (!NodeIdValidator.IsValid(request.AutomationId)
|| !NodeIdValidator.IsValid(request.SourceNodeId)
|| !IdempotencyKeyValidator.IsValid(request.IdempotencyKey))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["automation"] = ["Invalid automation id, source Node id, or idempotency key."]
});
}
try
{
var actor = context.User.FindFirstValue(ClaimTypes.NameIdentifier)!;
return Results.Ok(await controlStore.CreateAutomationTokenAsync(
request, actor, TimeSpan.FromMinutes(10), cancellationToken));
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails { Title = "Idempotency key conflict" });
}
catch (InvalidOperationException exception)
{
return Results.BadRequest(new ProblemDetails { Title = exception.Message });
}
});
control.MapPost("/agents/{nodeId}/reenroll", async (
string nodeId,
CertificateReenrollmentRequest request,
HttpContext context,
CertificateLifecycleService lifecycle,
CancellationToken cancellationToken) =>
{
if (!NodeIdValidator.IsValid(nodeId) || !CertificateReenrollmentValidator.IsValid(request))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["certificate"] = ["Invalid node id, reason, or idempotency key."]
});
}
try
{
var actor = context.User.FindFirstValue(ClaimTypes.NameIdentifier)!;
var ticket = await lifecycle.ReenrollAgentAsync(nodeId, request, actor, cancellationToken);
return ticket is null ? Results.NotFound() : Results.Ok(ticket);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails { Title = "Idempotency key conflict" });
}
});
control.MapPost("/devices/{deviceId}/reenroll", async (
string deviceId,
CertificateReenrollmentRequest request,
HttpContext context,
CertificateLifecycleService lifecycle,
CancellationToken cancellationToken) =>
{
if (!NodeIdValidator.IsValid(deviceId) || !CertificateReenrollmentValidator.IsValid(request))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["certificate"] = ["Invalid device id, reason, or idempotency key."]
});
}
try
{
var actor = context.User.FindFirstValue(ClaimTypes.NameIdentifier)!;
if (string.Equals(actor, deviceId, StringComparison.Ordinal))
{
return Results.BadRequest(new ProblemDetails
{
Title = "An Operator cannot revoke its own certificate. Use another Operator or the local Hub CLI."
});
}
var ticket = await lifecycle.ReenrollDeviceAsync(deviceId, request, actor, cancellationToken);
return ticket is null ? Results.NotFound() : Results.Ok(ticket);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails { Title = "Idempotency key conflict" });
}
});
control.MapGet("/links", async (ControlStore controlStore, CancellationToken cancellationToken) =>
Results.Ok((await controlStore.ListLinksAsync(cancellationToken)).ToArray()));
control.MapPost("/links", async (
LinkPolicyCreateRequest request,
HttpContext context,
LinkService linkService,
CancellationToken cancellationToken) =>
{
if (!LinkPolicyValidator.IsValid(request))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["link"] = ["Invalid source, target, protocol, port, TTL, reason, or idempotency key."]
});
}
var actor = context.User.FindFirstValue(ClaimTypes.NameIdentifier)!;
try
{
var link = await linkService.CreateAsync(request, actor, cancellationToken);
return Results.Created($"/api/v1/control/links/{link.Id}", link);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails { Title = "Idempotency key conflict" });
}
catch (SqliteException exception) when (exception.SqliteErrorCode == 19)
{
return Results.Conflict(new ProblemDetails { Title = "An active Link already exists." });
}
catch (InvalidOperationException exception)
{
return Results.BadRequest(new ProblemDetails { Title = exception.Message });
}
});
control.MapPost("/links/{id}/disable", async (
string id,
LinkPolicyDisableRequest request,
HttpContext context,
LinkService linkService,
CancellationToken cancellationToken) =>
{
if (id.Length != 32 || !Guid.TryParseExact(id, "N", out _)
|| !IdempotencyKeyValidator.IsValid(request.IdempotencyKey))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["link"] = ["Invalid Link id or idempotency key."]
});
}
var actor = context.User.FindFirstValue(ClaimTypes.NameIdentifier)!;
try
{
var link = await linkService.DisableAsync(id, request, actor, cancellationToken);
return link is null ? Results.NotFound() : Results.Ok(link);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails { Title = "Idempotency key conflict" });
}
});
control.MapGet("/events", async (HttpContext context, ControlEventBroker broker) =>
{
context.Response.ContentType = "application/x-ndjson";
context.Response.Headers.CacheControl = "no-store";
using var subscription = broker.Subscribe();
await foreach (var controlEvent in subscription.Reader.ReadAllAsync(context.RequestAborted))
{
await JsonSerializer.SerializeAsync(
context.Response.Body,
controlEvent,
SmmJsonContext.Default.ControlEvent,
context.RequestAborted);
await context.Response.WriteAsync("\n", context.RequestAborted);
await context.Response.Body.FlushAsync(context.RequestAborted);
}
});
var automation = app.MapGroup("/api/v1/automation").RequireAuthorization("Automation");
automation.MapGet("/links", async (
HttpContext context,
ControlStore controlStore,
CancellationToken cancellationToken) =>
{
var sourceNodeId = context.User.FindFirstValue(AutomationSourceClaim);
if (string.IsNullOrWhiteSpace(sourceNodeId))
{
return Results.Forbid();
}
var grants = (await controlStore.ListEffectiveLinksForNodeAsync(sourceNodeId, cancellationToken))
.Where(link => string.Equals(link.SourceNodeId, sourceNodeId, StringComparison.Ordinal))
.Select(link => new AutomationLinkGrant(
link.TargetNodeId,
link.Protocol,
link.Port,
link.DesiredState,
link.ActualState,
link.Version,
link.ExpiresAt))
.ToArray();
return Results.Ok(grants);
});
await app.RunAsync();
return 0;
static async Task<IResult> ChangeProvisioningJobAsync(
string id,
ProvisioningJobCommandRequest request,
HttpContext context,
ControlStore controlStore,
bool confirm,
CancellationToken cancellationToken)
{
if (!ProvisioningJobValidator.IsValidId(id)
|| !ProvisioningJobValidator.IsValid(request))
{
return Results.ValidationProblem(new Dictionary<string, string[]>
{
["provisioningJob"] = ["Invalid job id, reason, or idempotency key."]
});
}
try
{
var actor = context.User.FindFirstValue(ClaimTypes.NameIdentifier)!;
var job = confirm
? await controlStore.ConfirmProvisioningJobAsync(id, request, actor, cancellationToken)
: await controlStore.CancelProvisioningJobAsync(id, request, actor, cancellationToken);
return job is null ? Results.NotFound() : Results.Ok(job);
}
catch (IdempotencyConflictException)
{
return Results.Conflict(new ProblemDetails { Title = "Idempotency key conflict" });
}
catch (ProvisioningTransitionException exception)
{
return Results.Conflict(new ProblemDetails { Title = exception.Message });
}
}
public partial class Program;
internal static class NodeIdValidator
{
public static bool IsValid(string value)
=> value.Length is >= 1 and <= 63
&& value.All(character => character is >= 'a' and <= 'z' or >= '0' and <= '9' or '-');
}
internal static class IdempotencyKeyValidator
{
public static bool IsValid(string value)
=> Guid.TryParse(value, out _);
}
internal static class LinkPolicyValidator
{
public static bool IsValid(LinkPolicyCreateRequest request)
=> NodeIdValidator.IsValid(request.SourceNodeId)
&& NodeIdValidator.IsValid(request.TargetNodeId)
&& request.SourceNodeId != request.TargetNodeId
&& request.Protocol is "tcp" or "udp"
&& request.Port is >= 1 and <= 65535
&& request.TtlMinutes is >= 0 and <= 525600
&& request.Reason.Length <= 256
&& IdempotencyKeyValidator.IsValid(request.IdempotencyKey);
}
internal static class CertificateReenrollmentValidator
{
public static bool IsValid(CertificateReenrollmentRequest request)
=> request.Reason.Length is >= 1 and <= 200
&& IdempotencyKeyValidator.IsValid(request.IdempotencyKey);
}
internal static class ProvisioningJobValidator
{
private const int MaximumParametersBytes = 16 * 1024;
public static bool IsValid(ProvisioningJobCreateRequest request)
{
if (request.SchemaVersion != 1
|| request.Parameters.ValueKind != JsonValueKind.Object
|| request.Parameters.GetRawText().Length > MaximumParametersBytes
|| request.TtlMinutes is < 5 or > 1440
|| request.AuditReason is not { Length: >= 1 and <= 256 }
|| !IdempotencyKeyValidator.IsValid(request.IdempotencyKey))
{
return false;
}
if (request.ActionType == "preflight")
{
return !request.Parameters.EnumerateObject().Any();
}
if (request.ActionType != "system.base-install")
{
return false;
}
return SystemBaseInstallSchema.TryParse(request.Parameters, out _);
}
public static bool IsValid(ProvisioningJobCommandRequest request)
=> request.Reason.Length is >= 1 and <= 256
&& IdempotencyKeyValidator.IsValid(request.IdempotencyKey);
public static bool IsValid(ProvisioningJobProgressRequest request)
=> request.State is ProvisioningJobStates.Preflight
or ProvisioningJobStates.Running
or ProvisioningJobStates.Verifying
or ProvisioningJobStates.Completed
or ProvisioningJobStates.Failed
or ProvisioningJobStates.NeedsReconciliation
or ProvisioningJobStates.RollingBack
or ProvisioningJobStates.RolledBack
or ProvisioningJobStates.RollbackFailed
&& request.ProgressPercent is >= 0 and <= 100
&& IsSafeCode(request.Step, 64)
&& IsSafeCode(request.EventCode, 64)
&& request.Message.Length <= 512
&& IdempotencyKeyValidator.IsValid(request.IdempotencyKey);
public static bool IsValid(ProvisioningPreflightReportRequest request)
=> request.ObservedAt >= DateTimeOffset.UtcNow.AddHours(-1)
&& request.ObservedAt <= DateTimeOffset.UtcNow.AddMinutes(1)
&& request.Facts is not null
&& IsSafeFact(request.Facts.OperatingSystem, 32)
&& IsSafeFact(request.Facts.OperatingSystemVersion, 64)
&& request.Facts.Architecture is "x64" or "x86" or "arm" or "arm64"
&& IdempotencyKeyValidator.IsValid(request.IdempotencyKey);
public static bool IsValid(SystemBaseInstallPlanReportRequest request)
=> request.Plan is not null
&& request.Plan.Packages is { Length: <= 64 }
&& request.Plan.Warnings is { Length: <= 2 }
&& IdempotencyKeyValidator.IsValid(request.IdempotencyKey);
public static bool IsValid(ProvisioningExecutionGrantRequest request)
=> IdempotencyKeyValidator.IsValid(request.IdempotencyKey);
public static bool IsValidId(string id)
=> id.Length == 32 && Guid.TryParseExact(id, "N", out _);
public static bool RequiresConfirmation(string actionType)
=> actionType == "system.base-install";
private static bool IsSafeCode(string value, int maximumLength)
=> value.Length is >= 1 && value.Length <= maximumLength
&& value.All(character => character is >= 'a' and <= 'z'
or >= '0' and <= '9'
or '.' or '-' or '_');
private static bool IsSafeFact(string? value, int maximumLength)
=> value is not null
&& value.Length is >= 1 && value.Length <= maximumLength
&& value.All(character => char.IsAsciiLetterOrDigit(character)
|| character is '_' or '-' or '.');
}
internal static class PreflightDesiredStateValidator
{
private static readonly HashSet<string> SupportedArchitectures =
new(["x64", "x86", "arm", "arm64"], StringComparer.Ordinal);
public static bool IsValid(PreflightDesiredStateUpdateRequest request)
=> request.SchemaVersion == 1
&& request.Desired is not null
&& request.Desired.AllowedArchitectures is { Length: >= 1 and <= 4 }
&& request.Desired.AllowedArchitectures.Distinct(StringComparer.Ordinal).Count()
== request.Desired.AllowedArchitectures.Length
&& request.Desired.AllowedArchitectures.All(SupportedArchitectures.Contains)
&& request.AuditReason is { Length: >= 1 and <= 256 }
&& IdempotencyKeyValidator.IsValid(request.IdempotencyKey);
}