Dmitrii Stepanov
d85703a963
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Resolve funlen & gocognit linters for toPrm method. Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
99 lines
2.6 KiB
Go
99 lines
2.6 KiB
Go
package searchsvc
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import (
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"context"
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"crypto/ecdsa"
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"errors"
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"fmt"
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"io"
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"sync"
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objectV2 "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/object"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc"
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rpcclient "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/client"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/signature"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/client"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/network"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/internal"
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oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
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)
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type requestForwarder struct {
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OnceResign *sync.Once
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Request *objectV2.SearchRequest
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Key *ecdsa.PrivateKey
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}
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func (f *requestForwarder) forwardRequest(ctx context.Context, addr network.Address, c client.MultiAddressClient, pubkey []byte) ([]oid.ID, error) {
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var err error
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// once compose and resign forwarding request
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f.OnceResign.Do(func() {
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// compose meta header of the local server
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metaHdr := new(session.RequestMetaHeader)
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metaHdr.SetTTL(f.Request.GetMetaHeader().GetTTL() - 1)
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// TODO: #1165 think how to set the other fields
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metaHdr.SetOrigin(f.Request.GetMetaHeader())
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f.Request.SetMetaHeader(metaHdr)
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err = signature.SignServiceMessage(f.Key, f.Request)
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})
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if err != nil {
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return nil, err
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}
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var searchStream *rpc.SearchResponseReader
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err = c.RawForAddress(addr, func(cli *rpcclient.Client) error {
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searchStream, err = rpc.SearchObjects(cli, f.Request, rpcclient.WithContext(ctx))
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return err
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})
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if err != nil {
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return nil, err
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}
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// code below is copy-pasted from c.SearchObjects implementation,
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// perhaps it is worth highlighting the utility function in frostfs-api-go
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var (
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searchResult []oid.ID
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resp = new(objectV2.SearchResponse)
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)
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for {
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// receive message from server stream
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err := searchStream.Read(resp)
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if err != nil {
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if errors.Is(err, io.EOF) {
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break
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}
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return nil, fmt.Errorf("reading the response failed: %w", err)
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}
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// verify response key
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if err = internal.VerifyResponseKeyV2(pubkey, resp); err != nil {
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return nil, err
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}
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// verify response structure
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if err := signature.VerifyServiceMessage(resp); err != nil {
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return nil, fmt.Errorf("could not verify %T: %w", resp, err)
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}
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chunk := resp.GetBody().GetIDList()
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var id oid.ID
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for i := range chunk {
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err = id.ReadFromV2(chunk[i])
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if err != nil {
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return nil, fmt.Errorf("invalid object ID: %w", err)
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}
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searchResult = append(searchResult, id)
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}
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}
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return searchResult, nil
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}
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