Ivan Loginov
440547e9c1
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83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
package gitea
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import (
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"context"
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"crypto/tls"
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"errors"
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"fmt"
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"net/http"
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"sync"
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mcpContext "gitea.com/gitea/gitea-mcp/pkg/context"
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"gitea.com/gitea/gitea-mcp/pkg/flag"
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"gitea.dev/sdk"
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)
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var (
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clientCache sync.Map // token -> *gitea.Client
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sharedTransOnce sync.Once
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sharedTrans *http.Transport
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)
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func sharedTransport() *http.Transport {
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sharedTransOnce.Do(func() {
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sharedTrans = http.DefaultTransport.(*http.Transport).Clone()
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if flag.Insecure {
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sharedTrans.TLSClientConfig = &tls.Config{InsecureSkipVerify: true} //nolint:gosec // user-requested insecure mode
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}
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})
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return sharedTrans
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}
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// NewClient returns a cached *gitea.Client keyed by host+token. The SDK's per-client
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// version cache and the shared transport let us reuse keep-alive connections
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// and avoid the SDK's /api/v1/version preflight on every tool call.
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func NewClient(token string) (*gitea.Client, error) {
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key := flag.Host + "\x00" + token
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if v, ok := clientCache.Load(key); ok {
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return v.(*gitea.Client), nil
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}
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httpClient := &http.Client{
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Transport: sharedTransport(),
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CheckRedirect: checkRedirect,
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}
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opts := []gitea.ClientOption{
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gitea.SetToken(token),
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gitea.SetHTTPClient(httpClient),
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}
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if flag.Debug {
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opts = append(opts, gitea.SetDebugMode())
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}
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client, err := gitea.NewClient(flag.Host, opts...)
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if err != nil {
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return nil, fmt.Errorf("create gitea client err: %w", err)
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}
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client.SetUserAgent("gitea-mcp-server/" + flag.Version)
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actual, _ := clientCache.LoadOrStore(key, client)
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return actual.(*gitea.Client), nil
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}
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// checkRedirect prevents Go from silently changing mutating requests (POST, PATCH, etc.)
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// to GET when following 301/302/303 redirects, which would drop the request body and
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// make writes appear to succeed when they didn't.
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func checkRedirect(_ *http.Request, via []*http.Request) error {
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if len(via) >= 10 {
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return errors.New("stopped after 10 redirects")
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}
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if via[0].Method != http.MethodGet && via[0].Method != http.MethodHead {
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return http.ErrUseLastResponse
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}
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return nil
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}
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func ClientFromContext(ctx context.Context) (*gitea.Client, error) {
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token, ok := ctx.Value(mcpContext.TokenContextKey).(string)
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if !ok {
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token = flag.Token
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}
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return NewClient(token)
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}
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