feat: add controlled Amap credential probe

supervisor/Dada.Supervisor/AmapProbe.cs

@@ -0,0 +1,57 @@
+using System.Net;
+using System.Text.Json;
+
+namespace Dada.Supervisor;
+
+internal static class AmapProbe
+{
+    private static readonly HttpClient Client = new() { Timeout = TimeSpan.FromSeconds(15) };
+
+    internal static int Run(string? key)
+    {
+        if (string.IsNullOrWhiteSpace(key))
+        {
+            Write("amap_credentials_missing", false, 0, null, null);
+            return 3;
+        }
+
+        try
+        {
+            var reverse = Call("https://restapi.amap.com/v3/geocode/regeo?location=120.6994,27.9943&extensions=base", key).GetAwaiter().GetResult();
+            var geocode = Call($"https://restapi.amap.com/v3/geocode/geo?address={Uri.EscapeDataString("北京市天安门")}", key).GetAwaiter().GetResult();
+            var success = reverse.Status == "1" && geocode.Status == "1";
+            Write(success ? "amap_probe_passed" : "amap_provider_rejected", success, 2, reverse.Status, geocode.Status);
+            return success ? 0 : 3;
+        }
+        catch (TaskCanceledException)
+        {
+            Write("amap_probe_timeout", false, 0, null, null);
+            return 3;
+        }
+        catch (HttpRequestException exception)
+        {
+            Write($"amap_probe_network_{exception.StatusCode?.ToString() ?? "error"}", false, 0, null, null);
+            return 3;
+        }
+        catch (JsonException)
+        {
+            Write("amap_probe_invalid_response", false, 0, null, null);
+            return 3;
+        }
+    }
+
+    private static async Task<ProbeResponse> Call(string endpoint, string key)
+    {
+        using var response = await Client.GetAsync($"{endpoint}&key={Uri.EscapeDataString(key)}");
+        response.EnsureSuccessStatusCode();
+        await using var stream = await response.Content.ReadAsStreamAsync();
+        using var document = await JsonDocument.ParseAsync(stream);
+        var root = document.RootElement;
+        return new ProbeResponse(root.GetProperty("status").GetString() ?? "", root.TryGetProperty("infocode", out var code) ? code.GetString() : null);
+    }
+
+    private static void Write(string code, bool success, int realCalls, string? reverseStatus, string? geocodeStatus) =>
+        Console.WriteLine(JsonSerializer.Serialize(new { code, success, real_calls = realCalls, reverse_status = reverseStatus, geocode_status = geocodeStatus }));
+
+    private sealed record ProbeResponse(string Status, string? InfoCode);
+}

supervisor/Dada.Supervisor/OfflineCommandRouter.cs

@@ -83,6 +83,8 @@ internal static class OfflineCommandRouter
                 store.Write(target, value);
                 WriteResult("credential_saved", true);
                 return 0;
+            case "probe" when target == CredentialCatalog.ApiAmap:
+                return AmapProbe.Run(store.Read(target));
             default:
                 return Usage();
         }
@@ -198,7 +200,7 @@ internal static class OfflineCommandRouter
 
     private static int Usage()
     {
-        WriteResult("usage: configure init|data-root|asset-root; secrets set|status|clear; admin-allowlist add|remove|status; doctor", false);
+        WriteResult("usage: configure init|data-root|asset-root; secrets set|status|clear|probe; admin-allowlist add|remove|status; doctor", false);
         return 2;
     }
 }