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Partially revert #149: remove Content-Type middleware, keep ErrServerClosed fix (#150)

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Reverts the Content-Type middleware and custom server/mux plumbing from #149, keeping only the `http.ErrServerClosed` fix which is a legitimate bug.

The middleware is unnecessary because rmcp's `post_message` already returns early for 202/204 before any Content-Type validation. Both Go MCP SDKs (`modelcontextprotocol/go-sdk` used by GitHub's MCP server, and `mark3labs/mcp-go` used here) intentionally omit Content-Type on 202 responses per the MCP spec. See #148 for the full analysis.

*PR written by Claude on behalf of @silverwind*

Reviewed-on: https://gitea.com/gitea/gitea-mcp/pulls/150
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: silverwind <me@silverwind.io>
Co-committed-by: silverwind <me@silverwind.io>
This commit is contained in:
silverwind
2026-03-13 09:31:26 +00:00
committed by silverwind
parent e0abd256a3
commit 22fc663387
2 changed files with 3 additions and 101 deletions
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77
operation/operation_http_headers_test.go
View File

@@ -1,77 +0,0 @@
package operation
import (
"net/http"
"net/http/httptest"
"testing"
)
func TestWithNoBodyContentTypeAddsContentTypeForAcceptedAndNoContent(t *testing.T) {
tests := []struct {
name string
status int
}{
{
name: "accepted",
status: http.StatusAccepted,
},
{
name: "no_content",
status: http.StatusNoContent,
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
handler := withNoBodyContentType(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(tc.status)
}))
req := httptest.NewRequest(http.MethodPost, "/mcp", nil)
rr := httptest.NewRecorder()
handler.ServeHTTP(rr, req)
if rr.Code != tc.status {
t.Fatalf("expected status %d, got %d", tc.status, rr.Code)
}
if got := rr.Header().Get("Content-Type"); got != "application/json" {
t.Fatalf("expected Content-Type application/json, got %q", got)
}
})
}
}
func TestWithNoBodyContentTypePreservesExistingContentType(t *testing.T) {
handler := withNoBodyContentType(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/plain")
w.WriteHeader(http.StatusAccepted)
}))
req := httptest.NewRequest(http.MethodPost, "/mcp", nil)
rr := httptest.NewRecorder()
handler.ServeHTTP(rr, req)
if rr.Code != http.StatusAccepted {
t.Fatalf("expected status %d, got %d", http.StatusAccepted, rr.Code)
}
if got := rr.Header().Get("Content-Type"); got != "text/plain" {
t.Fatalf("expected Content-Type text/plain, got %q", got)
}
}
func TestWithNoBodyContentTypeDoesNotModifyOtherStatusCodes(t *testing.T) {
handler := withNoBodyContentType(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
}))
req := httptest.NewRequest(http.MethodPost, "/mcp", nil)
rr := httptest.NewRecorder()
handler.ServeHTTP(rr, req)
if rr.Code != http.StatusOK {
t.Fatalf("expected status %d, got %d", http.StatusOK, rr.Code)
}
if got := rr.Header().Get("Content-Type"); got != "" {
t.Fatalf("expected empty Content-Type, got %q", got)
}
}