feat(server): harden hostile input and overload behavior (#15)

2026-07-16 12:37:38 +02:00
parent 2ff7cd6d9d
commit 88ef946af5
22 changed files with 2159 additions and 93 deletions
@@ -149,5 +149,45 @@ public sealed class OpenApiCompatibilityTests
            parameter.GetProperty("in").GetString() == "header"
            && parameter.GetProperty("name").GetString() == "X-Rendezvous-Lease-Token");
        Assert.True(leaseToken.GetProperty("required").GetBoolean());
+
+        int overloadContracts = 0;
+        foreach (JsonProperty pathItem in root.GetProperty("paths").EnumerateObject())
+        {
+            foreach (JsonProperty operation in pathItem.Value.EnumerateObject().Where(
+                         static item => item.Name is "get" or "post" or "put" or "delete"))
+            {
+                JsonElement responses = operation.Value.GetProperty("responses");
+                if (!responses.TryGetProperty("429", out JsonElement overloaded))
+                {
+                    continue;
+                }
+
+                overloadContracts++;
+                JsonElement retryAfter = overloaded.GetProperty("headers")
+                    .GetProperty("Retry-After");
+                Assert.Equal(
+                    "integer",
+                    retryAfter.GetProperty("schema").GetProperty("type").GetString());
+            }
+        }
+
+        Assert.Equal(12, overloadContracts);
+        (string Path, string Method)[] bodyOperations =
+        [
+            ("/v1/sessions", "post"),
+            ("/v1/sessions/{listingId}/renew", "post"),
+            ("/v1/sessions/{listingId}", "put"),
+            ("/v1/sessions/{listingId}", "delete"),
+            ("/v1/join-attempts", "post"),
+            ("/v1/join-attempts/{attemptId}/outcome", "post"),
+        ];
+        foreach ((string operationPath, string method) in bodyOperations)
+        {
+            Assert.True(root.GetProperty("paths")
+                .GetProperty(operationPath)
+                .GetProperty(method)
+                .GetProperty("responses")
+                .TryGetProperty("413", out _));
+        }
    }
 }