70 lines
2.4 KiB
Go
70 lines
2.4 KiB
Go
// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package mcp_v1
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import (
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"net/http"
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"go.gearno.de/kit/log"
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"go.probo.inc/probo/pkg/auth"
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"go.probo.inc/probo/pkg/authz"
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serverauth "go.probo.inc/probo/pkg/server/auth"
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)
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// WithMCPAuth wraps an HTTP handler with MCP authentication middleware
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// It authenticates using API keys from the Authorization header
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func WithMCPAuth(
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logger *log.Logger,
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authSvc *auth.Service,
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authzSvc *authz.Service,
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next http.Handler,
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) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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correlationID := r.Header.Get("X-Request-ID")
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if correlationID == "" {
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correlationID = r.Header.Get("X-Correlation-ID")
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}
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logger.InfoCtx(ctx, "MCP authentication attempt",
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log.String("correlation_id", correlationID),
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log.String("path", r.URL.Path),
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)
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// Authenticate using API key from shared function
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authCtx := serverauth.AuthenticateWithAPIKey(ctx, r, authSvc, authzSvc)
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if authCtx == nil {
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logger.WarnCtx(ctx, "MCP auth: authentication required",
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log.String("correlation_id", correlationID),
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)
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http.Error(w, "authentication required", http.StatusUnauthorized)
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return
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}
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user := serverauth.UserFromContext(authCtx)
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userAPIKey := serverauth.UserAPIKeyFromContext(authCtx)
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tenantAccess := serverauth.UserTenantAccessFromContext(authCtx)
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logger.InfoCtx(authCtx, "MCP authentication successful",
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log.String("correlation_id", correlationID),
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log.String("user_id", user.ID.String()),
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log.String("api_key_id", userAPIKey.ID.String()),
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log.Int("accessible_tenants", len(tenantAccess.TenantIDs)),
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)
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next.ServeHTTP(w, r.WithContext(authCtx))
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})
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}
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