57 lines
1.7 KiB
Go
57 lines
1.7 KiB
Go
package git
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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"time"
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"gitlab.com/gitlab-org/gitlab-workhorse/internal/api"
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"gitlab.com/gitlab-org/gitlab-workhorse/internal/gitaly"
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"gitlab.com/gitlab-org/gitlab-workhorse/internal/helper"
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)
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var (
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uploadPackTimeout = 10 * time.Minute
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)
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// Will not return a non-nil error after the response body has been
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// written to.
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func handleUploadPack(w *HttpResponseWriter, r *http.Request, a *api.Response) error {
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ctx := r.Context()
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// Prevent the client from holding the connection open indefinitely. A
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// transfer rate of 17KiB/sec is sufficient to send 10MiB of data in
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// ten minutes, which seems adequate. Most requests will be much smaller.
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// This mitigates a use-after-check issue.
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//
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// We can't reliably interrupt the read from a http handler, but we can
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// ensure the request will (eventually) fail: https://github.com/golang/go/issues/16100
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readerCtx, cancel := context.WithTimeout(ctx, uploadPackTimeout)
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defer cancel()
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limited := helper.NewContextReader(readerCtx, r.Body)
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cr, cw := helper.NewWriteAfterReader(limited, w)
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defer cw.Flush()
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action := getService(r)
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writePostRPCHeader(w, action)
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gitProtocol := r.Header.Get("Git-Protocol")
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return handleUploadPackWithGitaly(ctx, a, cr, cw, gitProtocol)
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}
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func handleUploadPackWithGitaly(ctx context.Context, a *api.Response, clientRequest io.Reader, clientResponse io.Writer, gitProtocol string) error {
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ctx, smarthttp, err := gitaly.NewSmartHTTPClient(ctx, a.GitalyServer)
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if err != nil {
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return fmt.Errorf("smarthttp.UploadPack: %v", err)
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}
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if err := smarthttp.UploadPack(ctx, &a.Repository, clientRequest, clientResponse, gitConfigOptions(a), gitProtocol); err != nil {
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return fmt.Errorf("smarthttp.UploadPack: %v", err)
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}
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return nil
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}
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