feat #35: Add sqlite3 storage backend

Dockerfile

@@ -3,7 +3,7 @@ ARG TARGETPLATFORM
 ARG BUILDPLATFORM
 WORKDIR /go/src/git.faercol.me/polyculeconnect
 COPY polyculeconnect ./
-RUN CGO_ENABLED=0 make build
+RUN make build
 
 # Replace with from scratch later on
 FROM --platform=$TARGETPLATFORM alpine:latest

polyculeconnect/config/config.go

@@ -54,6 +54,19 @@ type OpenConnectConfig struct {
 	Issuer         string            `json:"issuer"`
 }
 
+type StorageConfigConfig struct {
+	File     string `json:"file"`
+	Host     string `json:"host"`
+	Port     int    `json:"port"`
+	Database string `json:"database"`
+	User     string `json:"user"`
+	Password string `json:"password"`
+	Ssl      struct {
+		Mode   string `json:"mode"`
+		CaFile string `json:"caFile"`
+	} `json:"ssl"`
+}
+
 type jsonConf struct {
 	Log struct {
 		Level string `json:"level"`
@@ -64,6 +77,10 @@ type jsonConf struct {
 		Mode     string `json:"mode"`
 		SockPath string `json:"sock"`
 	} `json:"server"`
+	Storage struct {
+		StorageType   string               `json:"type"`
+		StorageConfig *StorageConfigConfig `json:"config"`
+	} `json:"storage"`
 	OpenConnectConfig *OpenConnectConfig `json:"openconnect"`
 }
 
@@ -73,6 +90,8 @@ type AppConfig struct {
 	Host              string
 	Port              int
 	SockPath          string
+	StorageType       string
+	StorageConfig     *StorageConfigConfig
 	OpenConnectConfig *OpenConnectConfig
 }
 
@@ -102,14 +121,17 @@ func (ac *AppConfig) UnmarshalJSON(data []byte) error {
 	ac.Host = jsonConf.Server.Host
 	ac.Port = jsonConf.Server.Port
 	ac.OpenConnectConfig = jsonConf.OpenConnectConfig
+	ac.StorageType = jsonConf.Storage.StorageType
+	ac.StorageConfig = jsonConf.Storage.StorageConfig
 	return nil
 }
 
 var defaultConfig AppConfig = AppConfig{
-	LogLevel:   logrus.InfoLevel,
-	ServerMode: ModeNet,
-	Host:       "0.0.0.0",
-	Port:       5000,
+	LogLevel:    logrus.InfoLevel,
+	ServerMode:  ModeNet,
+	Host:        "0.0.0.0",
+	Port:        5000,
+	StorageType: "memory",
 }
 
 func New(filepath string) (*AppConfig, error) {

polyculeconnect/go.mod

@@ -27,6 +27,7 @@ require (
 	github.com/go-asn1-ber/asn1-ber v1.5.5 // indirect
 	github.com/go-jose/go-jose/v3 v3.0.0 // indirect
 	github.com/go-ldap/ldap/v3 v3.4.6 // indirect
+	github.com/go-sql-driver/mysql v1.7.1 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/s2a-go v0.1.7 // indirect
@@ -38,7 +39,9 @@ require (
 	github.com/huandu/xstrings v1.3.3 // indirect
 	github.com/imdario/mergo v0.3.11 // indirect
 	github.com/jonboulle/clockwork v0.2.2 // indirect
+	github.com/lib/pq v1.10.9 // indirect
 	github.com/mattermost/xml-roundtrip-validator v0.1.0 // indirect
+	github.com/mattn/go-sqlite3 v1.14.17 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/mitchellh/copystructure v1.0.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.0 // indirect

polyculeconnect/go.sum

@@ -51,6 +51,8 @@ github.com/go-jose/go-jose/v3 v3.0.0 h1:s6rrhirfEP/CGIoc6p+PZAeogN2SxKav6Wp7+dyM
 github.com/go-jose/go-jose/v3 v3.0.0/go.mod h1:RNkWWRld676jZEYoV3+XK8L2ZnNSvIsxFMht0mSX+u8=
 github.com/go-ldap/ldap/v3 v3.4.6 h1:ert95MdbiG7aWo/oPYp9btL3KJlMPKnP58r09rI8T+A=
 github.com/go-ldap/ldap/v3 v3.4.6/go.mod h1:IGMQANNtxpsOzj7uUAMjpGBaOVTC4DYyIy8VsTdxmtc=
+github.com/go-sql-driver/mysql v1.7.1 h1:lUIinVbN1DY0xBg0eMOzmmtGoHwWBbvnWubQUrtU8EI=
+github.com/go-sql-driver/mysql v1.7.1/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
 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=
@@ -106,8 +108,12 @@ github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
+github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=
+github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/mattermost/xml-roundtrip-validator v0.1.0 h1:RXbVD2UAl7A7nOTR4u7E3ILa4IbtvKBHw64LDsmu9hU=
 github.com/mattermost/xml-roundtrip-validator v0.1.0/go.mod h1:qccnGMcpgwcNaBnxqpJpWWUiPNr5H3O8eDgGV9gT5To=
+github.com/mattn/go-sqlite3 v1.14.17 h1:mCRHCLDUBXgpKAqIKsaAaAsrAlbkeomtRFKXh2L6YIM=
+github.com/mattn/go-sqlite3 v1.14.17/go.mod h1:2eHXhiwb8IkHr+BDWZGa96P6+rkvnG63S2DGjv9HUNg=
 github.com/matttproud/golang_protobuf_extensions v1.0.4 h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo=
 github.com/matttproud/golang_protobuf_extensions v1.0.4/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
 github.com/mitchellh/copystructure v1.0.0 h1:Laisrj+bAB6b/yJwB5Bt3ITZhGJdqmxquMKeZ+mmkFQ=

polyculeconnect/main.go

@@ -15,6 +15,7 @@ import (
 	dex_server "github.com/dexidp/dex/server"
 	"github.com/dexidp/dex/storage"
 	"github.com/dexidp/dex/storage/memory"
+	"github.com/dexidp/dex/storage/sql"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
@@ -47,12 +48,30 @@ func main() {
 	logger.Init(conf.LogLevel)
 	logger.L.Infof("Initialized logger with level %v", conf.LogLevel)
 
+	var storageType storage.Storage
+	switch conf.StorageType {
+	case "memory":
+		storageType = memory.New(logger.L)
+	case "sqlite":
+		sqlconfig := sql.SQLite3{
+			File: conf.StorageConfig.File,
+		}
+		storageType, err = sqlconfig.Open(logger.L)
+		if err != nil {
+			logger.L.Fatalf("Failed to initialize sqlite backend: %s", err.Error())
+		}
+	default:
+		logger.L.Fatalf("Unsupported storage backend type: %s", conf.StorageType)
+	}
+
+	logger.L.Infof("Initialized storage backend \"%s\"", conf.StorageType)
+
 	dexConf := dex_server.Config{
 		Web: dex_server.WebConfig{
 			Dir:   "./",
 			Theme: "default",
 		},
-		Storage:                memory.New(logger.L),
+		Storage:                storageType,
 		Issuer:                 conf.OpenConnectConfig.Issuer,
 		SupportedResponseTypes: []string{"code"},
 		SkipApprovalScreen:     false,