1 files changed, 51 insertions, 0 deletions
diff --git a/server/config/config.go b/server/config/config.go
new file mode 100644
index 0000000..b65d171
--- /dev/null
+++ b/server/config/config.go
@@ -0,0 +1,51 @@
+package config
+
+import "github.com/spf13/viper"
+
+// Config holds the values from the json config file.
+type Config struct {
+	Server Server `mapstructure:"server"`
+	Auth   Auth   `mapstructure:"auth"`
+	SSH    SSH    `mapstructure:"ssh"`
+}
+
+// Server holds the configuration specific to the web server and sessions.
+type Server struct {
+	UseTLS       bool   `mapstructure:"use_tls"`
+	TLSKey       string `mapstructure:"tls_key"`
+	TLSCert      string `mapstructure:"tls_cert"`
+	Port         int    `mapstructure:"port"`
+	CookieSecret string `mapstructure:"cookie_secret"`
+}
+
+// Auth holds the configuration specific to the OAuth provider.
+type Auth struct {
+	OauthClientID     string                 `mapstructure:"oauth_client_id"`
+	OauthClientSecret string                 `mapstructure:"oauth_client_secret"`
+	OauthCallbackURL  string                 `mapstructure:"oauth_callback_url"`
+	Provider          string                 `mapstructure:"provider"`
+	GoogleOpts        map[string]interface{} `mapstructure:"google_opts"`
+	JWTSigningKey     string                 `mapstructure:"jwt_signing_key"`
+}
+
+// SSH holds the configuration specific to signing ssh keys.
+type SSH struct {
+	SigningKey  string   `mapstructure:"signing_key"`
+	Principals  []string `mapstructure:"principals"`
+	MaxAge      string   `mapstructure:"max_age"`
+	Permissions []string `mapstructure:"permissions"`
+}
+
+// ReadConfig parses a JSON configuration file into a Config struct.
+func ReadConfig(filename string) (*Config, error) {
+	config := &Config{}
+	v := viper.New()
+	v.SetConfigFile(filename)
+	if err := v.ReadInConfig(); err != nil {
+		return nil, err
+	}
+	if err := v.Unmarshal(config); err != nil {
+		return nil, err
+	}
+	return config, nil
+}