Initial commit: Gitea MCP Server

mcp/pkg/gitea/gitea.go

@@ -0,0 +1,75 @@
+package gitea
+
+import (
+	"context"
+	"crypto/tls"
+	"errors"
+	"fmt"
+	"net/http"
+
+	"code.gitea.io/sdk/gitea"
+	mcpContext "gitea.com/gitea/gitea-mcp/pkg/context"
+	"gitea.com/gitea/gitea-mcp/pkg/flag"
+)
+
+func NewClient(token string) (*gitea.Client, error) {
+	httpClient := &http.Client{
+		Transport:     http.DefaultTransport,
+		CheckRedirect: checkRedirect,
+	}
+
+	opts := []gitea.ClientOption{
+		gitea.SetToken(token),
+	}
+	if flag.Insecure {
+		httpClient.Transport.(*http.Transport).TLSClientConfig = &tls.Config{
+			InsecureSkipVerify: true,
+		}
+	}
+	opts = append(opts, gitea.SetHTTPClient(httpClient))
+	if flag.Debug {
+		opts = append(opts, gitea.SetDebugMode())
+	}
+	client, err := gitea.NewClient(flag.Host, opts...)
+	if err != nil {
+		return nil, fmt.Errorf("create gitea client err: %w", err)
+	}
+
+	client.SetUserAgent("gitea-mcp-server/" + flag.Version)
+
+	user, _, err := client.GetMyUserInfo()
+	if err != nil {
+		return client, nil
+	}
+
+	client2, err := gitea.NewClient(flag.Host,
+		gitea.SetBasicAuth(user.UserName, token),
+		gitea.SetHTTPClient(httpClient),
+	)
+	if err != nil {
+		return client, nil
+	}
+	client2.SetUserAgent("gitea-mcp-server/" + flag.Version)
+	return client2, nil
+}
+
+// checkRedirect prevents Go from silently changing mutating requests (POST, PATCH, etc.)
+// to GET when following 301/302/303 redirects, which would drop the request body and
+// make writes appear to succeed when they didn't.
+func checkRedirect(_ *http.Request, via []*http.Request) error {
+	if len(via) >= 10 {
+		return errors.New("stopped after 10 redirects")
+	}
+	if via[0].Method != http.MethodGet && via[0].Method != http.MethodHead {
+		return http.ErrUseLastResponse
+	}
+	return nil
+}
+
+func ClientFromContext(ctx context.Context) (*gitea.Client, error) {
+	token, ok := ctx.Value(mcpContext.TokenContextKey).(string)
+	if !ok {
+		token = flag.Token
+	}
+	return NewClient(token)
+}