130 lines
3.3 KiB
Go
130 lines
3.3 KiB
Go
package object
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import (
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"encoding/hex"
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"fmt"
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"strings"
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internalclient "github.com/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/client"
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"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/common"
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"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/commonflags"
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"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/key"
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"github.com/TrueCloudLab/frostfs-sdk-go/checksum"
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cid "github.com/TrueCloudLab/frostfs-sdk-go/container/id"
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oid "github.com/TrueCloudLab/frostfs-sdk-go/object/id"
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"github.com/spf13/cobra"
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)
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const getRangeHashSaltFlag = "salt"
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const (
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hashSha256 = "sha256"
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hashTz = "tz"
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rangeSep = ":"
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)
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var objectHashCmd = &cobra.Command{
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Use: "hash",
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Short: "Get object hash",
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Long: "Get object hash",
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Run: getObjectHash,
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}
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func initObjectHashCmd() {
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commonflags.Init(objectHashCmd)
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initFlagSession(objectHashCmd, "RANGEHASH")
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flags := objectHashCmd.Flags()
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flags.String(commonflags.CIDFlag, "", commonflags.CIDFlagUsage)
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_ = objectHashCmd.MarkFlagRequired(commonflags.CIDFlag)
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flags.String(commonflags.OIDFlag, "", commonflags.OIDFlagUsage)
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_ = objectHashCmd.MarkFlagRequired(commonflags.OIDFlag)
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flags.String("range", "", "Range to take hash from in the form offset1:length1,...")
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flags.String("type", hashSha256, "Hash type. Either 'sha256' or 'tz'")
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flags.String(getRangeHashSaltFlag, "", "Salt in hex format")
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}
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func getObjectHash(cmd *cobra.Command, _ []string) {
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var cnr cid.ID
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var obj oid.ID
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objAddr := readObjectAddress(cmd, &cnr, &obj)
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ranges, err := getRangeList(cmd)
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common.ExitOnErr(cmd, "", err)
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typ, err := getHashType(cmd)
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common.ExitOnErr(cmd, "", err)
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strSalt := strings.TrimPrefix(cmd.Flag(getRangeHashSaltFlag).Value.String(), "0x")
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salt, err := hex.DecodeString(strSalt)
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common.ExitOnErr(cmd, "could not decode salt: %w", err)
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pk := key.GetOrGenerate(cmd)
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cli := internalclient.GetSDKClientByFlag(cmd, pk, commonflags.RPC)
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tz := typ == hashTz
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fullHash := len(ranges) == 0
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if fullHash {
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var headPrm internalclient.HeadObjectPrm
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headPrm.SetClient(cli)
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Prepare(cmd, &headPrm)
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headPrm.SetAddress(objAddr)
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// get hash of full payload through HEAD (may be user can do it through dedicated command?)
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res, err := internalclient.HeadObject(headPrm)
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common.ExitOnErr(cmd, "rpc error: %w", err)
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var cs checksum.Checksum
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var csSet bool
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if tz {
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cs, csSet = res.Header().PayloadHomomorphicHash()
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} else {
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cs, csSet = res.Header().PayloadChecksum()
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}
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if csSet {
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cmd.Println(hex.EncodeToString(cs.Value()))
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} else {
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cmd.Println("Missing checksum in object header.")
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}
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return
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}
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var hashPrm internalclient.HashPayloadRangesPrm
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hashPrm.SetClient(cli)
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Prepare(cmd, &hashPrm)
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readSession(cmd, &hashPrm, pk, cnr, obj)
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hashPrm.SetAddress(objAddr)
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hashPrm.SetSalt(salt)
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hashPrm.SetRanges(ranges)
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if tz {
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hashPrm.TZ()
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}
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res, err := internalclient.HashPayloadRanges(hashPrm)
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common.ExitOnErr(cmd, "rpc error: %w", err)
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hs := res.HashList()
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for i := range hs {
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cmd.Printf("Offset=%d (Length=%d)\t: %s\n", ranges[i].GetOffset(), ranges[i].GetLength(),
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hex.EncodeToString(hs[i]))
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}
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}
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func getHashType(cmd *cobra.Command) (string, error) {
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rawType := cmd.Flag("type").Value.String()
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switch typ := strings.ToLower(rawType); typ {
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case hashSha256, hashTz:
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return typ, nil
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default:
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return "", fmt.Errorf("invalid hash type: %s", typ)
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}
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}
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