George Lambert
d49c51c349
- Public signup no longer requires a caller bearer (POST /auth/signup) - create_user remains admin-only (POST /auth/users) - Optional VERAE_MCP_EDGE_URL bills global stamps via zap.verae.ai - Clearer public auth errors and instructions for Grok/clients
109 lines
3.4 KiB
Go
109 lines
3.4 KiB
Go
package main
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import (
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"context"
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"flag"
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"fmt"
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"log"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"git.georgelambert.org/marchon/verae-mcp-timestamping-server-go/internal/edgebill"
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"git.georgelambert.org/marchon/verae-mcp-timestamping-server-go/internal/embednats"
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"git.georgelambert.org/marchon/verae-mcp-timestamping-server-go/internal/ledger"
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"git.georgelambert.org/marchon/verae-mcp-timestamping-server-go/internal/server"
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"git.georgelambert.org/marchon/verae-mcp-timestamping-server-go/internal/tools"
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"git.georgelambert.org/marchon/verae-mcp-timestamping-server-go/internal/veraetime"
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"github.com/modelcontextprotocol/go-sdk/mcp"
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)
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func main() {
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transport := flag.String("transport", "streamable-http", "MCP transport: streamable-http or stdio")
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host := flag.String("host", "127.0.0.1", "HTTP bind host")
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port := flag.Int("port", 8000, "HTTP bind port (shadow often uses 8001)")
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flag.Parse()
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cfg := server.LoadConfig(*transport, *host, *port)
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led, err := ledger.Open(cfg.LedgerPath)
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if err != nil {
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log.Fatalf("ledger: %v", err)
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}
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global := veraetime.NewClient(cfg.GlobalURL, veraetime.WithAuthPath(cfg.AuthPath))
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keeper := veraetime.NewKeeper(global, cfg.AuthPath)
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edge := edgebill.FromEnv()
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if edge != nil {
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log.Printf("MCP global stamps bill via edge %s (channel=%s)", edge.BaseURL, edge.Channel)
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}
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emb, err := embednats.Start(embednats.Options{
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Listen: cfg.NATSListen,
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Ledger: led,
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Global: global,
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Keeper: keeper,
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RequireBearer: cfg.RequireBearer,
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})
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if err != nil {
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log.Fatalf("embednats: %v", err)
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}
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if emb != nil {
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defer emb.Shutdown()
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log.Printf("embedded NATS listening on %s", emb.ClientURL())
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}
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switch cfg.Transport {
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case "streamable-http", "http":
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srv, err := server.New(server.Options{
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Ledger: led,
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Global: global,
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Keeper: keeper,
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Edge: edge,
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AuthPath: cfg.AuthPath,
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GlobalURL: cfg.GlobalURL,
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RequireBearer: cfg.RequireBearer,
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// Stateful sessions + JSON responses match public mcp.verae.ai clients
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// (Mcp-Session-Id after initialize). Stateless broke tools/call for those clients.
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JSONResponse: true,
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Stateless: false,
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// DEC-654: the HTTP transport is the public server (mcp.verae.ai) unless VERAE_MCP_TRUSTED_LOCAL=1.
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Public: os.Getenv("VERAE_MCP_TRUSTED_LOCAL") != "1",
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})
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if err != nil {
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log.Fatalf("server: %v", err)
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}
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handler := server.WithCORS(srv.Handler(), cfg.CORS)
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httpSrv := &http.Server{Addr: cfg.Addr(), Handler: handler}
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go func() {
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log.Printf("verae-mcp-timestamping-server listening on http://%s/mcp", cfg.Addr())
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if err := httpSrv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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log.Fatalf("listen: %v", err)
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}
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}()
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waitSignal()
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_ = httpSrv.Shutdown(context.Background())
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case "stdio":
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mcpServer := tools.NewServer(&tools.Deps{
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Ledger: led,
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Global: global,
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Keeper: keeper,
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Edge: edge,
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RequireBearer: cfg.RequireBearer,
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})
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ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
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defer stop()
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if err := mcpServer.Run(ctx, &mcp.StdioTransport{}); err != nil {
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fmt.Fprintf(os.Stderr, "stdio: %v\n", err)
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os.Exit(1)
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}
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default:
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log.Fatalf("unknown transport %q (use streamable-http or stdio)", cfg.Transport)
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}
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}
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func waitSignal() {
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ch := make(chan os.Signal, 1)
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signal.Notify(ch, os.Interrupt, syscall.SIGTERM)
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<-ch
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}
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