| // Copyright 2017 The LUCI Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package machinetoken |
| |
| import ( |
| "context" |
| "fmt" |
| "net" |
| |
| "google.golang.org/protobuf/types/known/timestamppb" |
| |
| tokenserver "go.chromium.org/luci/tokenserver/api" |
| bqpb "go.chromium.org/luci/tokenserver/api/bq" |
| "go.chromium.org/luci/tokenserver/api/minter/v1" |
| |
| "go.chromium.org/luci/tokenserver/appengine/impl/certconfig" |
| "go.chromium.org/luci/tokenserver/appengine/impl/utils" |
| "go.chromium.org/luci/tokenserver/appengine/impl/utils/bq" |
| ) |
| |
| func init() { |
| bq.RegisterTokenKind("machine_tokens", (*bqpb.MachineToken)(nil)) |
| } |
| |
| // MintedTokenInfo is passed to LogToken. |
| // |
| // It carries all information about the token minting operation and the produced |
| // token. |
| type MintedTokenInfo struct { |
| Request *minter.MachineTokenRequest // the token request, as presented by the client |
| Response *minter.MachineTokenResponse // the response, as returned by the minter |
| TokenBody *tokenserver.MachineTokenBody // deserialized token (same as in Response) |
| CA *certconfig.CA // CA configuration used to authorize this request |
| PeerIP net.IP // caller IP address |
| RequestID string // GAE request ID that handled the RPC |
| } |
| |
| // toBigQueryMessage returns a message to upload to BigQuery. |
| func (i *MintedTokenInfo) toBigQueryMessage() *bqpb.MachineToken { |
| // LUCI_MACHINE_TOKEN is the only supported type currently. |
| if i.Request.TokenType != tokenserver.MachineTokenType_LUCI_MACHINE_TOKEN { |
| panic("unknown token type") |
| } |
| return &bqpb.MachineToken{ |
| // Identifier of the token body. |
| Fingerprint: utils.TokenFingerprint(i.Response.GetLuciMachineToken().MachineToken), |
| |
| // Information about the token. |
| MachineFqdn: i.TokenBody.MachineFqdn, |
| TokenType: i.Request.TokenType, |
| IssuedAt: ×tamppb.Timestamp{Seconds: int64(i.TokenBody.IssuedAt)}, |
| Expiration: ×tamppb.Timestamp{Seconds: int64(i.TokenBody.IssuedAt + i.TokenBody.Lifetime)}, |
| CertSerialNumber: fmt.Sprintf("%d", i.TokenBody.CertSn), |
| SignatureAlgorithm: i.Request.SignatureAlgorithm, |
| |
| // Information about the CA used to authorize this request. |
| CaCommonName: i.CA.CN, |
| CaConfigRev: i.CA.UpdatedRev, |
| |
| // Information about the request handler. |
| PeerIp: i.PeerIP.String(), |
| ServiceVersion: i.Response.ServiceVersion, |
| GaeRequestId: i.RequestID, |
| } |
| } |
| |
| // TokenLogger records info about the token to BigQuery. |
| type TokenLogger func(context.Context, *MintedTokenInfo) error |
| |
| // NewTokenLogger returns a callback that records info about tokens to BigQuery. |
| // |
| // Tokens themselves are not logged. Only first 16 bytes of their SHA256 hashes |
| // (aka 'fingerprint') are. They are used only to identify tokens in logs. |
| // |
| // When dryRun is true, logs to the local text log only, not to BigQuery |
| // (to avoid accidentally pushing fake data to real BigQuery dataset). |
| func NewTokenLogger(dryRun bool) TokenLogger { |
| return func(ctx context.Context, i *MintedTokenInfo) error { |
| return bq.LogToken(ctx, i.toBigQueryMessage(), dryRun) |
| } |
| } |