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backend/rest: Export Content-Types

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This commit is contained in:
Alexander Neumann 2018-03-13 22:22:35 +01:00
parent cf4cf94418
commit cabbbd2b14
1 changed files with 9 additions and 8 deletions
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17
internal/backend/rest/rest.go
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@ -30,9 +30,10 @@ type restBackend struct {
backend.Layout backend.Layout
} }
// the REST API protocol version is decided by HTTP request headers, these are the constants.
const ( const (
contentTypeV1 = "application/vnd.x.restic.rest.v1" ContentTypeV1 = "application/vnd.x.restic.rest.v1"
contentTypeV2 = "application/vnd.x.restic.rest.v2" ContentTypeV2 = "application/vnd.x.restic.rest.v2"
) )
// Open opens the REST backend with the given config. // Open opens the REST backend with the given config.
@ -119,7 +120,7 @@ func (b *restBackend) Save(ctx context.Context, h restic.Handle, rd restic.Rewin
return errors.Wrap(err, "NewRequest") return errors.Wrap(err, "NewRequest")
} }
req.Header.Set("Content-Type", "application/octet-stream") req.Header.Set("Content-Type", "application/octet-stream")
req.Header.Set("Accept", contentTypeV2) req.Header.Set("Accept", ContentTypeV2)
// explicitly set the content length, this prevents chunked encoding and // explicitly set the content length, this prevents chunked encoding and
// let's the server know what's coming. // let's the server know what's coming.
@ -198,7 +199,7 @@ func (b *restBackend) openReader(ctx context.Context, h restic.Handle, length in
byteRange = fmt.Sprintf("bytes=%d-%d", offset, offset+int64(length)-1) byteRange = fmt.Sprintf("bytes=%d-%d", offset, offset+int64(length)-1)
} }
req.Header.Set("Range", byteRange) req.Header.Set("Range", byteRange)
req.Header.Set("Accept", contentTypeV2) req.Header.Set("Accept", ContentTypeV2)
debug.Log("Load(%v) send range %v", h, byteRange) debug.Log("Load(%v) send range %v", h, byteRange)
b.sem.GetToken() b.sem.GetToken()
@ -236,7 +237,7 @@ func (b *restBackend) Stat(ctx context.Context, h restic.Handle) (restic.FileInf
if err != nil { if err != nil {
return restic.FileInfo{}, errors.Wrap(err, "NewRequest") return restic.FileInfo{}, errors.Wrap(err, "NewRequest")
} }
req.Header.Set("Accept", contentTypeV2) req.Header.Set("Accept", ContentTypeV2)
b.sem.GetToken() b.sem.GetToken()
resp, err := ctxhttp.Do(ctx, b.client, req) resp, err := ctxhttp.Do(ctx, b.client, req)
@ -291,7 +292,7 @@ func (b *restBackend) Remove(ctx context.Context, h restic.Handle) error {
if err != nil { if err != nil {
return errors.Wrap(err, "http.NewRequest") return errors.Wrap(err, "http.NewRequest")
} }
req.Header.Set("Accept", contentTypeV2) req.Header.Set("Accept", ContentTypeV2)
b.sem.GetToken() b.sem.GetToken()
resp, err := ctxhttp.Do(ctx, b.client, req) resp, err := ctxhttp.Do(ctx, b.client, req)
@ -330,7 +331,7 @@ func (b *restBackend) List(ctx context.Context, t restic.FileType, fn func(resti
if err != nil { if err != nil {
return errors.Wrap(err, "NewRequest") return errors.Wrap(err, "NewRequest")
} }
req.Header.Set("Accept", contentTypeV2) req.Header.Set("Accept", ContentTypeV2)
b.sem.GetToken() b.sem.GetToken()
resp, err := ctxhttp.Do(ctx, b.client, req) resp, err := ctxhttp.Do(ctx, b.client, req)
@ -344,7 +345,7 @@ func (b *restBackend) List(ctx context.Context, t restic.FileType, fn func(resti
return errors.Errorf("List failed, server response: %v (%v)", resp.Status, resp.StatusCode) return errors.Errorf("List failed, server response: %v (%v)", resp.Status, resp.StatusCode)
} }
if resp.Header.Get("Content-Type") == contentTypeV2 { if resp.Header.Get("Content-Type") == ContentTypeV2 {
return b.listv2(ctx, t, resp, fn) return b.listv2(ctx, t, resp, fn)
} }