diff --git a/README.md b/README.md index 0b5ee0a..f1ca4ed 100644 --- a/README.md +++ b/README.md @@ -81,6 +81,7 @@ COPYRIGHT: We support the following storage backends for storing private keys: 1. [Filesystem](docs/filesystem.md) 2. [AWS Secret Manager](docs/aws_sercret_manager.md) +3. [Google Secret Manager](docs/google_secret_manager.md) ### Monitoring The signer exposes prometheus metrics on the `/metrics` endpoint. You can scrape these metrics using a prometheus server. diff --git a/cmd/cerberus/main.go b/cmd/cerberus/main.go index e9638d0..7ceca9f 100644 --- a/cmd/cerberus/main.go +++ b/cmd/cerberus/main.go @@ -102,6 +102,12 @@ var ( Usage: "AWS secret access key", EnvVars: []string{"AWS_SECRET_ACCESS_KEY"}, } + + gcpProjectIDFlag = &cli.StringFlag{ + Name: "gcp-project-id", + Usage: "Project ID for Google Cloud Platform", + EnvVars: []string{"GCP_PROJECT_ID"}, + } ) func main() { @@ -136,6 +142,7 @@ func main() { awsAuthenticationModeFlag, awsAccessKeyIDFlag, awsSecretAccessKeyFlag, + gcpProjectIDFlag, } sort.Sort(cli.FlagsByName(app.Flags)) @@ -164,6 +171,7 @@ func start(c *cli.Context) error { awsAuthenticationMode := c.String(awsAuthenticationModeFlag.Name) awsAccessKeyID := c.String(awsAccessKeyIDFlag.Name) awsSecretAccessKey := c.String(awsSecretAccessKeyFlag.Name) + gcpProjectID := c.String(gcpProjectIDFlag.Name) cfg := &configuration.Configuration{ KeystoreDir: keystoreDir, @@ -177,6 +185,7 @@ func start(c *cli.Context) error { AWSAuthenticationMode: configuration.AWSAuthenticationMode(awsAuthenticationMode), AWSAccessKeyID: awsAccessKeyID, AWSSecretAccessKey: awsSecretAccessKey, + GCPProjectID: gcpProjectID, } if err := cfg.Validate(); err != nil { @@ -193,7 +202,6 @@ func start(c *cli.Context) error { handler := slog.NewTextHandler(os.Stdout, &slogOptions) logger = slog.New(handler) } - logger.Info("using configuration", "config", cfg) logger.Info(fmt.Sprintf("Starting cerberus server version: %s", version)) server.Start(cfg, logger) return nil diff --git a/docs/google_secret_manager.md b/docs/google_secret_manager.md new file mode 100644 index 0000000..3f453b1 --- /dev/null +++ b/docs/google_secret_manager.md @@ -0,0 +1,13 @@ +## Using Google Secret Manager as a backend for cerberus +You can use Google Secret Manager as a backend for cerberus. To use Google Secret Manager as a backend, you need to set the `STORAGE_TYPE` environment variable to `google-secrets-manager`. +All the public keys are stored in `cerberus` format. They will also have a label with key as `project` and value as `cerberus`. + +### Environment variables +You will need to set the `GCP_PROJECT_ID` environment variable to `environment`. Make sure you have the necessary permissions to access the secrets. + +Example +```bash +cerberus \ + --storage-type google-secrets-manager \ + --gcp-project-id my-project +``` \ No newline at end of file diff --git a/go.mod b/go.mod index cbe537b..245bc9b 100644 --- a/go.mod +++ b/go.mod @@ -5,6 +5,7 @@ go 1.21 toolchain go1.21.11 require ( + cloud.google.com/go/secretmanager v1.14.2 github.com/Layr-Labs/bn254-keystore-go v0.0.0-20241118175331-3ceaf682f032 github.com/Layr-Labs/cerberus-api v0.0.1 github.com/aws/aws-sdk-go-v2 v1.32.5 @@ -15,10 +16,15 @@ require ( github.com/prometheus/client_golang v1.20.3 github.com/stretchr/testify v1.10.0 github.com/urfave/cli/v2 v2.27.5 - google.golang.org/grpc v1.64.1 + google.golang.org/api v0.203.0 + google.golang.org/grpc v1.67.1 ) require ( + cloud.google.com/go/auth v0.9.9 // indirect + cloud.google.com/go/auth/oauth2adapt v0.2.4 // indirect + cloud.google.com/go/compute/metadata v0.5.2 // indirect + cloud.google.com/go/iam v1.2.1 // indirect github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.20 // indirect github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.24 // indirect github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.24 // indirect @@ -35,6 +41,13 @@ require ( github.com/consensys/bavard v0.1.13 // indirect github.com/cpuguy83/go-md2man/v2 v2.0.5 // indirect github.com/davecgh/go-spew v1.1.1 // indirect + github.com/felixge/httpsnoop v1.0.4 // indirect + github.com/go-logr/logr v1.4.2 // indirect + github.com/go-logr/stdr v1.2.2 // indirect + github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect + github.com/google/s2a-go v0.1.8 // indirect + github.com/googleapis/enterprise-certificate-proxy v0.3.4 // indirect + github.com/googleapis/gax-go/v2 v2.13.0 // indirect github.com/grpc-ecosystem/grpc-gateway/v2 v2.22.0 // indirect github.com/klauspost/compress v1.17.9 // indirect github.com/mmcloughlin/addchain v0.4.0 // indirect @@ -45,13 +58,23 @@ require ( github.com/prometheus/procfs v0.15.1 // indirect github.com/russross/blackfriday/v2 v2.1.0 // indirect github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 // indirect - golang.org/x/crypto v0.27.0 // indirect - golang.org/x/net v0.26.0 // indirect - golang.org/x/sys v0.25.0 // indirect - golang.org/x/text v0.18.0 // indirect - google.golang.org/genproto/googleapis/api v0.0.0-20240814211410-ddb44dafa142 // indirect - google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 // indirect - google.golang.org/protobuf v1.34.2 // indirect + go.opencensus.io v0.24.0 // indirect + go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.54.0 // indirect + go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.54.0 // indirect + go.opentelemetry.io/otel v1.29.0 // indirect + go.opentelemetry.io/otel/metric v1.29.0 // indirect + go.opentelemetry.io/otel/trace v1.29.0 // indirect + golang.org/x/crypto v0.28.0 // indirect + golang.org/x/net v0.30.0 // indirect + golang.org/x/oauth2 v0.23.0 // indirect + golang.org/x/sync v0.8.0 // indirect + golang.org/x/sys v0.26.0 // indirect + golang.org/x/text v0.19.0 // indirect + golang.org/x/time v0.7.0 // indirect + google.golang.org/genproto v0.0.0-20241015192408-796eee8c2d53 // indirect + google.golang.org/genproto/googleapis/api v0.0.0-20241007155032-5fefd90f89a9 // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20241015192408-796eee8c2d53 // indirect + google.golang.org/protobuf v1.35.1 // indirect gopkg.in/yaml.v3 v3.0.1 // indirect rsc.io/tmplfunc v0.0.3 // indirect ) diff --git a/go.sum b/go.sum index 7e0bf4f..825523a 100644 --- a/go.sum +++ b/go.sum @@ -1,3 +1,17 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.116.0 h1:B3fRrSDkLRt5qSHWe40ERJvhvnQwdZiHu0bJOpldweE= +cloud.google.com/go v0.116.0/go.mod h1:cEPSRWPzZEswwdr9BxE6ChEn01dWlTaF05LiC2Xs70U= +cloud.google.com/go/auth v0.9.9 h1:BmtbpNQozo8ZwW2t7QJjnrQtdganSdmqeIBxHxNkEZQ= +cloud.google.com/go/auth v0.9.9/go.mod h1:xxA5AqpDrvS+Gkmo9RqrGGRh6WSNKKOXhY3zNOr38tI= +cloud.google.com/go/auth/oauth2adapt v0.2.4 h1:0GWE/FUsXhf6C+jAkWgYm7X9tK8cuEIfy19DBn6B6bY= +cloud.google.com/go/auth/oauth2adapt v0.2.4/go.mod h1:jC/jOpwFP6JBxhB3P5Rr0a9HLMC/Pe3eaL4NmdvqPtc= +cloud.google.com/go/compute/metadata v0.5.2 h1:UxK4uu/Tn+I3p2dYWTfiX4wva7aYlKixAHn3fyqngqo= +cloud.google.com/go/compute/metadata v0.5.2/go.mod h1:C66sj2AluDcIqakBq/M8lw8/ybHgOZqin2obFxa/E5k= +cloud.google.com/go/iam v1.2.1 h1:QFct02HRb7H12J/3utj0qf5tobFh9V4vR6h9eX5EBRU= +cloud.google.com/go/iam v1.2.1/go.mod h1:3VUIJDPpwT6p/amXRC5GY8fCCh70lxPygguVtI0Z4/g= +cloud.google.com/go/secretmanager v1.14.2 h1:2XscWCfy//l/qF96YE18/oUaNJynAx749Jg3u0CjQr8= +cloud.google.com/go/secretmanager v1.14.2/go.mod h1:Q18wAPMM6RXLC/zVpWTlqq2IBSbbm7pKBlM3lCKsmjw= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/Layr-Labs/bn254-keystore-go v0.0.0-20241118175331-3ceaf682f032 h1:nKNJmoEB1+S1H09EsJuo8A2IXeFIg5tsGVK3UB6Qefo= github.com/Layr-Labs/bn254-keystore-go v0.0.0-20241118175331-3ceaf682f032/go.mod h1:7J8hptSX8cFq7KmVb+rEO5aEifj7E44c3i0afIyr4WA= github.com/Layr-Labs/cerberus-api v0.0.1 h1:MSLVdxtRS1qnwLks3COnnUw/M3tjLGtbSGaLde86HRg= @@ -34,19 +48,65 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw= github.com/bits-and-blooms/bitset v1.14.2 h1:YXVoyPndbdvcEVcseEovVfp0qjJp7S+i5+xgp/Nfbdc= github.com/bits-and-blooms/bitset v1.14.2/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8= +github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs= github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= +github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= github.com/consensys/bavard v0.1.13 h1:oLhMLOFGTLdlda/kma4VOJazblc7IM5y5QPd2A/YjhQ= github.com/consensys/bavard v0.1.13/go.mod h1:9ItSMtA/dXMAiL7BG6bqW2m3NdSEObYWoH223nGHukI= github.com/consensys/gnark-crypto v0.12.1 h1:lHH39WuuFgVHONRl3J0LRBtuYdQTumFSDtJF7HpyG8M= github.com/consensys/gnark-crypto v0.12.1/go.mod h1:v2Gy7L/4ZRosZ7Ivs+9SfUDr0f5UlG+EM5t7MPHiLuY= github.com/cpuguy83/go-md2man/v2 v2.0.5 h1:ZtcqGrnekaHpVLArFSe4HK5DoKx1T0rq2DwVB0alcyc= github.com/cpuguy83/go-md2man/v2 v2.0.5/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= +github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= +github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98= +github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c= +github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg= +github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U= +github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= +github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY= +github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY= +github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag= +github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE= +github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q= +github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= +github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE= +github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= +github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= +github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8= +github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA= +github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs= +github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w= +github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0= +github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8= +github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= +github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek= +github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps= +github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M= +github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= +github.com/google/s2a-go v0.1.8 h1:zZDs9gcbt9ZPLV0ndSyQk6Kacx2g/X+SKYovpnz3SMM= +github.com/google/s2a-go v0.1.8/go.mod h1:6iNWHTpQ+nfNRN5E00MSdfDwVesa8hhS32PhPO8deJA= github.com/google/subcommands v1.2.0/go.mod h1:ZjhPrFU+Olkh9WazFPsl27BQ4UPiG37m3yTrtFlrHVk= +github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= +github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0= +github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= +github.com/googleapis/enterprise-certificate-proxy v0.3.4 h1:XYIDZApgAnrN1c855gTgghdIA6Stxb52D5RnLI1SLyw= +github.com/googleapis/enterprise-certificate-proxy v0.3.4/go.mod h1:YKe7cfqYXjKGpGvmSg28/fFvhNzinZQm8DGnaburhGA= +github.com/googleapis/gax-go/v2 v2.13.0 h1:yitjD5f7jQHhyDsnhKEBU52NdvvdSeGzlAnDPT0hH1s= +github.com/googleapis/gax-go/v2 v2.13.0/go.mod h1:Z/fvTZXF8/uw7Xu5GuslPw+bplx6SS338j1Is2S+B7A= github.com/grpc-ecosystem/grpc-gateway/v2 v2.22.0 h1:asbCHRVmodnJTuQ3qamDwqVOIjwqUPTYmYuemVOx+Ys= github.com/grpc-ecosystem/grpc-gateway/v2 v2.22.0/go.mod h1:ggCgvZ2r7uOoQjOyu2Y1NhHmEPPzzuhWgcza5M1Ji1I= github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA= @@ -68,6 +128,7 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/prometheus/client_golang v1.20.3 h1:oPksm4K8B+Vt35tUhw6GbSNSgVlVSBH0qELP/7u83l4= github.com/prometheus/client_golang v1.20.3/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE= +github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E= github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY= github.com/prometheus/common v0.55.0 h1:KEi6DK7lXW/m7Ig5i47x0vRzuBsHuvJdi5ee6Y3G1dc= @@ -78,34 +139,114 @@ github.com/rogpeppe/go-internal v1.12.0 h1:exVL4IDcn6na9z1rAb56Vxr+CgyK3nn3O+epU github.com/rogpeppe/go-internal v1.12.0/go.mod h1:E+RYuTGaKKdloAfM02xzb0FW3Paa99yedzYV+kq4uf4= github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk= github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= +github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/objx v0.4.0/go.mod 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h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= rsc.io/tmplfunc v0.0.3 h1:53XFQh69AfOa8Tw0Jm7t+GV7KZhOi6jzsCzTtKbMvzU= rsc.io/tmplfunc v0.0.3/go.mod h1:AG3sTPzElb1Io3Yg4voV9AGZJuleGAwaVRxL9M49PhA= diff --git a/internal/common/common.go b/internal/common/common.go index 5fbb5ae..57e3957 100644 --- a/internal/common/common.go +++ b/internal/common/common.go @@ -6,3 +6,10 @@ func Trim0x(s string) string { } return s } + +func RemovePrefix(s string, prefix string) string { + if len(s) > len(prefix) && s[:len(prefix)] == prefix { + return s[len(prefix):] + } + return s +} diff --git a/internal/configuration/configuration.go b/internal/configuration/configuration.go index f7cfe53..2fd28b2 100644 --- a/internal/configuration/configuration.go +++ b/internal/configuration/configuration.go @@ -7,8 +7,9 @@ type StorageType string type AWSAuthenticationMode string const ( - FileSystemStorageType StorageType = "filesystem" - AWSSecretManagerStorageType StorageType = "aws-secrets-manager" + FileSystemStorageType StorageType = "filesystem" + AWSSecretManagerStorageType StorageType = "aws-secrets-manager" + GoogleSecretManagerStorageType StorageType = "google-secrets-manager" EnvironmentAWSAuthenticationMode AWSAuthenticationMode = "environment" SpecifiedAWSAuthenticationMode AWSAuthenticationMode = "specified" @@ -27,6 +28,9 @@ type Configuration struct { AWSAccessKeyID string AWSSecretAccessKey string + // Google Secrets Manager storage parameters + GCPProjectID string + GrpcPort string MetricsPort string @@ -57,6 +61,10 @@ func (s *Configuration) Validate() error { return fmt.Errorf("AWS secret access key is required") } } + case GoogleSecretManagerStorageType: + if s.GCPProjectID == "" { + return fmt.Errorf("GCP project ID is required") + } default: return fmt.Errorf("unsupported storage type: %s", s.StorageType) } diff --git a/internal/crypto/bn254.go b/internal/crypto/bn254.go index a9812d0..0c6d61a 100644 --- a/internal/crypto/bn254.go +++ b/internal/crypto/bn254.go @@ -1,6 +1,7 @@ package crypto import ( + "encoding/hex" "math/big" "github.com/consensys/gnark-crypto/ecc/bn254" @@ -90,6 +91,7 @@ func NewKeyPair(sk *PrivateKey) *KeyPair { return &KeyPair{sk, &G1Point{pk}} } +// NewKeyPairFromString creates a new keypair from a decimal string func NewKeyPairFromString(sk string) (*KeyPair, error) { ele, err := new(fr.Element).SetString(sk) if err != nil { @@ -98,6 +100,20 @@ func NewKeyPairFromString(sk string) (*KeyPair, error) { return NewKeyPair(ele), nil } +// NewKeyPairFromHexString creates a new keypair from a hex string +func NewKeyPairFromHexString(sk string) (*KeyPair, error) { + skBytes, err := hex.DecodeString(sk) + if err != nil { + return nil, err + } + skInt := new(big.Int).SetBytes(skBytes) + ele, err := new(fr.Element).SetString(skInt.String()) + if err != nil { + return nil, err + } + return NewKeyPair(ele), nil +} + // SignMessage This signs a message on G1, and so will require a G2Pubkey to verify func (k *KeyPair) SignMessage(message [32]byte) *Signature { H := MapToCurve(message) diff --git a/internal/server/server.go b/internal/server/server.go index 60793b0..af87e43 100644 --- a/internal/server/server.go +++ b/internal/server/server.go @@ -8,9 +8,6 @@ import ( "net/http" "os" - "github.com/Layr-Labs/cerberus/internal/store" - "github.com/Layr-Labs/cerberus/internal/store/awssecretmanager" - "github.com/prometheus/client_golang/prometheus" "github.com/prometheus/client_golang/prometheus/collectors" "github.com/prometheus/client_golang/prometheus/promhttp" @@ -22,7 +19,10 @@ import ( "github.com/Layr-Labs/cerberus/internal/middleware" "github.com/Layr-Labs/cerberus/internal/services/kms" "github.com/Layr-Labs/cerberus/internal/services/signing" + "github.com/Layr-Labs/cerberus/internal/store" + "github.com/Layr-Labs/cerberus/internal/store/awssecretmanager" "github.com/Layr-Labs/cerberus/internal/store/filesystem" + "github.com/Layr-Labs/cerberus/internal/store/googlesm" "google.golang.org/grpc" "google.golang.org/grpc/credentials" @@ -73,6 +73,12 @@ func Start(config *configuration.Configuration, logger *slog.Logger) { } logger.Info("Using specified credentials for AWS Secret Manager") } + case configuration.GoogleSecretManagerStorageType: + keystore, err = googlesm.NewKeystore(config.GCPProjectID, logger) + if err != nil { + logger.Error(fmt.Sprintf("Failed to create Google Secret Manager store: %v", err)) + os.Exit(1) + } default: logger.Error(fmt.Sprintf("Unsupported storage type: %s", config.StorageType)) os.Exit(1) diff --git a/internal/store/awssecretmanager/aws_secret_manager.go b/internal/store/awssecretmanager/aws_secret_manager.go index b09df8a..d03a5b8 100644 --- a/internal/store/awssecretmanager/aws_secret_manager.go +++ b/internal/store/awssecretmanager/aws_secret_manager.go @@ -15,6 +15,7 @@ import ( "github.com/Layr-Labs/bn254-keystore-go/curve" "github.com/Layr-Labs/bn254-keystore-go/keystore" + "github.com/Layr-Labs/cerberus/internal/common" "github.com/Layr-Labs/cerberus/internal/crypto" "github.com/Layr-Labs/cerberus/internal/store" ) @@ -96,7 +97,7 @@ func (k *Keystore) RetrieveKey( var secretString = *result.SecretString - kp, err := crypto.NewKeyPairFromString(secretString) + kp, err := crypto.NewKeyPairFromHexString(secretString) if err != nil { return nil, err } @@ -147,15 +148,8 @@ func (k *Keystore) ListKeys(ctx context.Context) ([]string, error) { k.logger.Debug(fmt.Sprintf("Found %d key files", len(result.SecretList))) var keys []string for _, secret := range result.SecretList { - keys = append(keys, removePrefix(*secret.Name, storagePrefix)) + keys = append(keys, common.RemovePrefix(*secret.Name, storagePrefix)) } return keys, nil } - -func removePrefix(s string, prefix string) string { - if len(s) > len(prefix) && s[:len(prefix)] == prefix { - return s[len(prefix):] - } - return s -} diff --git a/internal/store/googlesm/google_secret_manager.go b/internal/store/googlesm/google_secret_manager.go new file mode 100644 index 0000000..2cef7af --- /dev/null +++ b/internal/store/googlesm/google_secret_manager.go @@ -0,0 +1,158 @@ +package googlesm + +import ( + "context" + "encoding/hex" + "errors" + "fmt" + "log/slog" + "regexp" + + "google.golang.org/api/iterator" + + "github.com/Layr-Labs/bn254-keystore-go/curve" + "github.com/Layr-Labs/bn254-keystore-go/keystore" + + "github.com/Layr-Labs/cerberus/internal/crypto" + "github.com/Layr-Labs/cerberus/internal/store" + + secretmanager "cloud.google.com/go/secretmanager/apiv1" + "cloud.google.com/go/secretmanager/apiv1/secretmanagerpb" +) + +var _ store.Store = (*Keystore)(nil) + +const ( + storagePrefix = "cerberus" + ProjectKey = "project" +) + +type Keystore struct { + smClient *secretmanager.Client + projectID string + + logger *slog.Logger +} + +func NewKeystore(projectID string, logger *slog.Logger) (*Keystore, error) { + ctx := context.Background() + client, err := secretmanager.NewClient(ctx) + if err != nil { + return nil, err + } + + return &Keystore{ + smClient: client, + projectID: projectID, + logger: logger.With("component", "google-secret-manager-store"), + }, nil +} + +func (k Keystore) RetrieveKey( + ctx context.Context, + pubKey string, + password string, +) (*crypto.KeyPair, error) { + // Build the request + secretID := storagePrefix + pubKey + accessRequest := &secretmanagerpb.AccessSecretVersionRequest{ + Name: fmt.Sprintf("projects/%s/secrets/%s/versions/latest", k.projectID, secretID), + } + + // Access the secret version + result, err := k.smClient.AccessSecretVersion(ctx, accessRequest) + if err != nil { + return nil, fmt.Errorf("failed to access secret version: %v", err) + } + + privKeyHex := hex.EncodeToString(result.Payload.Data) + kp, err := crypto.NewKeyPairFromHexString(privKeyHex) + if err != nil { + return nil, err + } + + return kp, nil +} + +func (k Keystore) StoreKey(ctx context.Context, keyPair *keystore.KeyPair) (string, error) { + pubKey, err := keystore.BlsSkToPk(keyPair.PrivateKey, string(curve.BN254)) + if err != nil { + return "", err + } + + storageKey := storagePrefix + pubKey + + createSecretReq := &secretmanagerpb.CreateSecretRequest{ + Parent: fmt.Sprintf("projects/%s", k.projectID), + SecretId: storageKey, + Secret: &secretmanagerpb.Secret{ + Labels: map[string]string{ + ProjectKey: storagePrefix, + }, + Replication: &secretmanagerpb.Replication{ + Replication: &secretmanagerpb.Replication_Automatic_{ + Automatic: &secretmanagerpb.Replication_Automatic{}, + }, + }, + }, + } + + secret, err := k.smClient.CreateSecret(ctx, createSecretReq) + if err != nil { + return "", fmt.Errorf("failed to create secret: %v", err) + } + + // Add a secret version + addSecretVersionReq := &secretmanagerpb.AddSecretVersionRequest{ + Parent: secret.Name, + Payload: &secretmanagerpb.SecretPayload{ + Data: keyPair.PrivateKey, + }, + } + + version, err := k.smClient.AddSecretVersion(ctx, addSecretVersionReq) + if err != nil { + return "", fmt.Errorf("failed to add secret version: %v", err) + } + k.logger.Info("Stored key in secret manager with version", "version", version.Name) + return pubKey, nil +} + +func (k Keystore) ListKeys(ctx context.Context) ([]string, error) { + filter := fmt.Sprintf("labels.%s=%s", ProjectKey, storagePrefix) + listRequest := &secretmanagerpb.ListSecretsRequest{ + Parent: fmt.Sprintf("projects/%s", k.projectID), + Filter: filter, + } + // List all secrets + it := k.smClient.ListSecrets(ctx, listRequest) + keys := make([]string, 0) + for { + secret, err := it.Next() + if err != nil { + if errors.Is(err, iterator.Done) { + break + } + return nil, fmt.Errorf("failed to list secrets: %v", err) + } + keys = append(keys, getPubKey(secret.GetName())) + } + k.logger.Debug(fmt.Sprintf("Found %d key files", len(keys))) + return keys, nil +} + +// getPubKey extracts the public key from the secret manager resource name +// The resource name is in the format: +// +// projects//secrets/cerberus +func getPubKey(resource string) string { + regex := fmt.Sprintf("%s(.*)", storagePrefix) + + re := regexp.MustCompile(regex) + matches := re.FindStringSubmatch(resource) + if len(matches) > 1 { + result := matches[1] // Gets the content of first capturing group + return result + } + return "" +}