[#8] Add an early changes to auth package
Signed-off-by: Pavel Korotkov <pkorotkov@gmail.com>
This commit is contained in:
Pavel Korotkov
parent
0d7f782b93
commit
490254c69e
2 changed files with 45 additions and 120 deletions
123
auth/center.go
123
auth/center.go
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@ -3,16 +3,16 @@ package auth
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import (
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"bytes"
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"crypto/ecdsa"
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"crypto/rsa"
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"encoding/hex"
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"io/ioutil"
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"net/http"
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"regexp"
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"strings"
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"github.com/klauspost/compress/zstd"
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"github.com/nspcc-dev/neofs-api-go/refs"
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"github.com/nspcc-dev/neofs-api-go/service"
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"github.com/nspcc-dev/neofs-authmate/accessbox/hcs"
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"github.com/nspcc-dev/neofs-authmate/gates"
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manager "github.com/nspcc-dev/neofs-authmate/neofsmanager"
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crypto "github.com/nspcc-dev/neofs-crypto"
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"github.com/pkg/errors"
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"go.uber.org/zap"
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@ -24,37 +24,28 @@ const emptyStringSHA256 = `e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca4959
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// Center is a central app's authentication/authorization management unit.
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type Center struct {
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log *zap.Logger
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submatcher *regexpSubmatcher
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zstdEncoder *zstd.Encoder
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zstdDecoder *zstd.Decoder
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neofsKeys struct {
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log *zap.Logger
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submatcher *regexpSubmatcher
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neofsKeys struct {
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PrivateKey *ecdsa.PrivateKey
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PublicKey *ecdsa.PublicKey
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}
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ownerID refs.OwnerID
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wifString string
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userAuthKeys struct {
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PrivateKey *rsa.PrivateKey
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PublicKey *rsa.PublicKey
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}
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ownerID refs.OwnerID
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wifString string
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manager *manager.Manager
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authKeys *hcs.X25519Keys
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}
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// NewCenter creates an instance of AuthCenter.
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func NewCenter(log *zap.Logger) (*Center, error) {
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zstdEncoder, err := zstd.NewWriter(nil)
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func NewCenter(log *zap.Logger, neofsNodeAddress string) (*Center, error) {
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m, err := manager.NewManager(neofsNodeAddress)
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if err != nil {
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return nil, errors.Wrap(err, "failed to create zstd encoder")
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}
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zstdDecoder, err := zstd.NewReader(nil)
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if err != nil {
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return nil, errors.Wrap(err, "failed to create zstd decoder")
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return nil, err
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}
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return &Center{
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log: log,
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submatcher: ®expSubmatcher{re: authorizationFieldRegexp},
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zstdEncoder: zstdEncoder,
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zstdDecoder: zstdDecoder,
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log: log,
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submatcher: ®expSubmatcher{re: authorizationFieldRegexp},
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manager: m,
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}, nil
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}
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@ -91,9 +82,13 @@ func (center *Center) GetWIFString() string {
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return center.wifString
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}
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func (center *Center) SetUserAuthKeys(key *rsa.PrivateKey) {
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center.userAuthKeys.PrivateKey = key
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center.userAuthKeys.PublicKey = &key.PublicKey
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func (center *Center) SetUserAuthKeys(key hcs.X25519PrivateKey) error {
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keys, err := hcs.NewKeys(key)
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if err != nil {
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return err
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}
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center.authKeys = keys
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return nil
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}
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func (center *Center) AuthenticationPassed(request *http.Request) (*service.BearerTokenMsg, error) {
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@ -153,51 +148,31 @@ func (center *Center) AuthenticationPassed(request *http.Request) (*service.Bear
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return bearerToken, nil
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}
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func (center *Center) packBearerToken(bearerToken *service.BearerTokenMsg) (string, string, error) {
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data, err := bearerToken.Marshal()
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if err != nil {
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return "", "", errors.Wrap(err, "failed to marshal bearer token")
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}
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encryptedKeyID, err := encrypt(center.userAuthKeys.PublicKey, center.compress(data))
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if err != nil {
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return "", "", errors.Wrap(err, "failed to encrypt bearer token bytes")
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}
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accessKeyID := hex.EncodeToString(encryptedKeyID)
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secretAccessKey := hex.EncodeToString(sha256Hash(data))
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return accessKeyID, secretAccessKey, nil
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}
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func (center *Center) unpackBearerToken(accessKeyID string) (*service.BearerTokenMsg, string, error) {
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encryptedKeyID, err := hex.DecodeString(accessKeyID)
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if err != nil {
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return nil, "", errors.Wrap(err, "failed to decode HEX string")
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}
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compressedKeyID, err := decrypt(center.userAuthKeys.PrivateKey, encryptedKeyID)
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if err != nil {
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return nil, "", errors.Wrap(err, "failed to decrypt key ID")
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}
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data, err := center.decompress(compressedKeyID)
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if err != nil {
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return nil, "", errors.Wrap(err, "failed to decompress key ID")
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}
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bearerToken := new(service.BearerTokenMsg)
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if err := bearerToken.Unmarshal(data); err != nil {
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return nil, "", errors.Wrap(err, "failed to unmarshal embedded bearer token")
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}
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secretAccessKey := hex.EncodeToString(sha256Hash(data))
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return bearerToken, secretAccessKey, nil
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}
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// FIXME: Reimplement this method right after finilizign a new auth scheme.
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func (center *Center) fetchBearerToken(accessKeyID string) (*service.BearerTokenMsg, string, error) {
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// TODO: Turn it into getting bearer token from NeoFS node later on.
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accessKeyID = "051d729a102513387b63f2f07a5cd45ca3158b273646527916cc3f705fa0006b249e038f4e4b4986d85b18358da8692819ef6e35063e91efce17da32d956ad9e48d2674f0cab2bd5ff27b49cb9a1b0e71eb73d330b6cd8f23e85252e55afe992765b2983ee2bafc57079221fdc8e48a3f5d8b0be87a259fd12c6afd59e3ec748c8677a4211c8d6ec7b67008a006f526b22a8536effe8ecb6581ea16d7f9358ede53dddf36fb589ab9a829b81d9c69d19a4b9d1ac58d5e9311e3608eb233475bfc47a02633c5611d1bb3b9450ef00b2490924be5f3375e3eb4b6ed2f23906f183c213e77c19ec5c62b3be3a5a5b526851ea674c613b542c2861fd4a5178b65d8df8899a05b25db8b9e15f5e257467044e41b69144fe4b802aff2a56c8960e5e3c7eb004d41a6d873f927db43ed047171f36cda5be080e0df2ddfe15edb423b41491559a7a5cc70932566cdd71058913abb0a68d3c1ac50586f0a48b02e1cea24ca8a2010d5495dbc5daf0575413c06542a16288664104ad06289a5b2bf119071171562dcdc05d6b9260df2fc676540fc1d836c36f77a090cc5ce52b930f74ae625d53e1a80b7a59aa2d85e2f188c131de5739bf0e49e6d5f081e757f2b0d85a8264dfb66c4400bcd4727d7c21eca92c138d975fe51f986e80ec32ba13e8850c82dd813cd45640caa303555e0759d0d111dac6cc39cbe711dd56dc8f01a6022635"
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secretAccessKey := "12775ab859000dd87b3c7586146f465efc73bbbd33ac3b36f2ab2b061df15f7b"
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bearerToken, _, err := center.unpackBearerToken(accessKeyID)
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if err != nil {
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return nil, "", errors.Wrap(err, "failed to fetch bearer token")
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// accessKeyID = "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"
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// secretAccessKey := "12775ab859000dd87b3c7586146f465efc73bbbd33ac3b36f2ab2b061df15f7b"
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// bearerToken, _, err := center.unpackBearerToken(accessKeyID)
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// if err != nil {
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// return nil, "", errors.Wrap(err, "failed to fetch bearer token")
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// }
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akid := new(refs.Address)
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if err := akid.Parse(accessKeyID); err != nil {
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return nil, "", errors.Wrap(err, "failed to parse access key id as refs.Address")
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}
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return bearerToken, secretAccessKey, nil
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config := &gates.ObtainingConfig{
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BaseConfig: gates.BaseConfig{
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OperationalCredentials: nil,
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Manager: nil,
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},
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GateKeys: center.authKeys,
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SecretAddress: akid,
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}
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res, err := gates.ObtainSecret(config)
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if err != nil {
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return nil, "", errors.Wrap(err, "failed to obtain secret")
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}
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return res.BearerToken, res.SecretAccessKey, nil
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}
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// TODO: Make this write into a smart buffer backed by a file on a fast drive.
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@ -213,11 +188,3 @@ func readAndKeepBody(request *http.Request) (*bytes.Reader, error) {
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request.Body = ioutil.NopCloser(bytes.NewReader(payload))
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return bytes.NewReader(payload), nil
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}
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func (center *Center) compress(data []byte) []byte {
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return center.zstdEncoder.EncodeAll(data, make([]byte, 0, len(data)))
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}
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func (center *Center) decompress(data []byte) ([]byte, error) {
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return center.zstdDecoder.DecodeAll(data, nil)
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}
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@ -1,42 +0,0 @@
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package auth
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import (
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"crypto/rand"
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"crypto/rsa"
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"crypto/sha256"
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"crypto/x509"
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"encoding/pem"
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"io/ioutil"
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"github.com/pkg/errors"
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)
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func ReadRSAPrivateKeyFromPEMFile(filePath string) (*rsa.PrivateKey, error) {
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kbs, err := ioutil.ReadFile(filePath)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to read file %s", filePath)
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}
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pemBlock, _ := pem.Decode(kbs)
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if pemBlock == nil {
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return nil, errors.Errorf("failed to decode PEM data from file %s", filePath)
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}
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rsaKey, err := x509.ParsePKCS1PrivateKey(pemBlock.Bytes)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to parse private key bytes from pem data from file %s", filePath)
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}
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return rsaKey, nil
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}
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func encrypt(key *rsa.PublicKey, data []byte) ([]byte, error) {
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return rsa.EncryptOAEP(sha256.New(), rand.Reader, key, data, []byte{})
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}
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func decrypt(key *rsa.PrivateKey, data []byte) ([]byte, error) {
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return rsa.DecryptOAEP(sha256.New(), rand.Reader, key, data, []byte{})
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}
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func sha256Hash(data []byte) []byte {
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hash := sha256.New()
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hash.Write(data)
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return hash.Sum(nil)
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}
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