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mxaccessgw/src/ZB.MOM.WW.MxGateway.Server/Configuration/LdapOptions.cs
T
Joseph Doherty 62394f5b85
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chore(deps): move every ZB.MOM.WW pin to the newest published version
Auth 0.1.5 -> 0.2.0, Health 0.2.0 -> 0.3.0, Secrets/.Abstractions/.Ui
0.6.1 -> 0.6.2. Theme, GalaxyRepository, Audit, Configuration, Telemetry
and Telemetry.Serilog were already at the newest version on the feed.

Checked against the shared-lib source rather than the version numbers,
because these packages are versioned as a family and a bump is not by
itself evidence that the package changed:

- Auth 0.2.0 is the only one carrying content for us: LDAP backup-DC
  failover (FallbackServers, endpoint walk with sticky preference,
  boot-time entry validation). Purely additive; the default is empty,
  which leaves single-endpoint behaviour unchanged.
- Health 0.3.0 carries a breaking change, but every line of it is in
  ZB.MOM.WW.Health.Akka, which we do not reference. No commit touched
  the core ZB.MOM.WW.Health package between 0.2.0 and 0.3.0.
- Secrets 0.6.2 is a message-only change: one validator string literal
  gains mounted-volume guidance. SecretsStorePathRules is untouched.

The four non-csproj files are not a separate feature. Configuration/
LdapOptions is a deliberate shadow of the shared type and carries an
explicit warning to mirror any new upstream field, because AddZbLdapAuth
binds the whole MxGateway:Ldap section onto the shared options. So
FallbackServers is live on our config surface the moment the package
lands, and without the mirror an operator could configure a backup DC
that works but is invisible on the dashboard's Settings page. The
Settings row renders "none" when empty, since that is the answer someone
who believes a backup DC is configured actually needs.

Entry syntax is deliberately NOT re-validated here: the shared validator
already fails the boot on a malformed entry and owns the (internal)
parser, so a second copy would drift. Note both validators skip entirely
when Ldap:Enabled is false.

Verified the binder is non-strict (ErrorOnUnknownConfiguration is unused
anywhere in the tree), so the upgrade could not break startup on a
newly-recognised key either way.

Build 0 warnings / 0 errors; gateway suite 892/892, unchanged. The live
LDAP tests are opt-in and were not run, so the failover path itself is
covered only by the shared library's own tests.
2026-08-12 04:16:23 -04:00

87 lines
4.5 KiB
C#

using ZB.MOM.WW.Auth.Abstractions.Ldap;
namespace ZB.MOM.WW.MxGateway.Server.Configuration;
/// <summary>
/// Gateway-side view of the <c>MxGateway:Ldap</c> section. This is a SHADOW of the
/// shared <see cref="ZB.MOM.WW.Auth.Abstractions.Ldap.LdapOptions"/> type and is NOT
/// used to perform LDAP authentication at runtime — runtime bind/search is done by the
/// shared <c>ZB.MOM.WW.Auth.Ldap</c> provider, whose options are bound directly from the
/// same <c>MxGateway:Ldap</c> section by <c>AddZbLdapAuth</c> (see
/// <see cref="ZB.MOM.WW.MxGateway.Server.Dashboard.DashboardServiceCollectionExtensions"/>).
/// <para>
/// This shadow exists for three things only: (1) startup validation via
/// <see cref="GatewayOptionsValidator"/>; (2) the redacted effective-config display
/// (<see cref="EffectiveLdapConfiguration"/> / <see cref="GatewayConfigurationProvider"/>);
/// and (3) it is the single home of the gateway's dev/default LDAP values, which the
/// integration live-test helper copies onto the shared options.
/// </para>
/// <para>
/// Review C2 — DRIFT WARNING: this class MUST stay field-compatible with the shared
/// <see cref="ZB.MOM.WW.Auth.Abstractions.Ldap.LdapOptions"/> so the one config section
/// binds cleanly onto both. The two are intentionally NOT merged because their defaults
/// differ on purpose: this shadow ships dev-friendly defaults (plaintext localhost,
/// <c>AllowInsecure=true</c>, populated <c>SearchBase</c>/<c>ServiceAccount*</c>), whereas
/// the shared type is secure-by-default (<c>Transport=Ldaps</c>, <c>AllowInsecure=false</c>,
/// empty DN fields). If you add/rename/remove a field on the shared type, mirror it here
/// (and in the validator + effective-config) so the section keeps binding to both.
/// </para>
/// </summary>
public sealed class LdapOptions
{
/// <summary>Gets a value indicating whether LDAP authentication is enabled.</summary>
public bool Enabled { get; init; } = true;
/// <summary>Gets the LDAP server address.</summary>
public string Server { get; init; } = "localhost";
/// <summary>Gets the LDAP server port.</summary>
public int Port { get; init; } = 3893;
/// <summary>
/// Gets the transport/TLS mode for the LDAP connection. Replaces the former
/// boolean <c>UseTls</c> (true ≈ <see cref="LdapTransport.Ldaps"/>, false =
/// <see cref="LdapTransport.None"/>). <see cref="LdapTransport.StartTls"/> upgrades
/// a plaintext connection to TLS. Matches the shared
/// <see cref="ZB.MOM.WW.Auth.Abstractions.Ldap.LdapOptions.Transport"/> field so the
/// <c>MxGateway:Ldap</c> section binds straight onto the shared options.
/// </summary>
public LdapTransport Transport { get; init; } = LdapTransport.None;
/// <summary>Gets a value indicating whether insecure (plaintext) LDAP connections are allowed.</summary>
public bool AllowInsecure { get; init; } = true;
/// <summary>Gets the LDAP search base distinguished name.</summary>
public string SearchBase { get; init; } = "dc=zb,dc=local";
/// <summary>Gets the service account distinguished name.</summary>
public string ServiceAccountDn { get; init; } = "cn=serviceaccount,dc=zb,dc=local";
/// <summary>Gets the service account password.</summary>
public string ServiceAccountPassword { get; init; } = string.Empty;
/// <summary>Gets the LDAP attribute name for user names.</summary>
public string UserNameAttribute { get; init; } = "cn";
/// <summary>Gets the LDAP attribute name for display names.</summary>
public string DisplayNameAttribute { get; init; } = "cn";
/// <summary>Gets the LDAP attribute name for group membership.</summary>
public string GroupAttribute { get; init; } = "memberOf";
/// <summary>
/// Gets the ordered fallback LDAP endpoints (<c>"host"</c> or <c>"host:port"</c>) the shared
/// provider walks when the primary fails with a system-side error. Empty (the default) leaves
/// single-endpoint behaviour unchanged. Mirrors
/// <see cref="ZB.MOM.WW.Auth.Abstractions.Ldap.LdapOptions.FallbackServers"/>, added in
/// ZB.MOM.WW.Auth 0.2.0.
/// <para>
/// Carried here only so the effective-config display does not hide a configured backup DC —
/// nothing on the gateway side reads it. Entry syntax is validated at boot by the shared
/// <c>LdapOptionsValidator</c>, which owns the (internal) parser; re-validating here would
/// mean a second, drifting copy of that grammar.
/// </para>
/// </summary>
public IReadOnlyList<string> FallbackServers { get; init; } = [];
}