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config.go
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config.go
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// Note: This is a modified version of: https://github.com/dexidp/dex/blob/ed920dc27ad79c3593037ad658552e8e80bab928/cmd/dex/config.go
package types
import (
"encoding/json"
"fmt"
"strings"
)
// Config is the config format for the main application.
type Config struct {
Issuer string `json:"issuer"`
Storage Storage `json:"storage"`
Web Web `json:"web"`
Telemetry Telemetry `json:"telemetry"`
OAuth2 OAuth2 `json:"oauth2"`
GRPC GRPC `json:"grpc"`
Expiry Expiry `json:"expiry"`
Logger logger `json:"logger"`
Frontend WebConfig `json:"frontend"`
// StaticConnectors are user defined connectors specified in the ConfigMap
// Write operations, like updating a connector, will fail.
StaticConnectors []Connector `json:"connectors"`
// StaticClients cause the server to use this list of clients rather than
// querying the storage. Write operations, like creating a client, will fail.
StaticClients []StorageClient `json:"staticClients"`
// If enabled, the server will maintain a list of passwords which can be used
// to identify a user.
EnablePasswordDB bool `json:"enablePasswordDB"`
// StaticPasswords cause the server use this list of passwords rather than
// querying the storage. Cannot be specified without enabling a passwords
// database.
StaticPasswords []StoragePassword `json:"staticPasswords"`
}
// Validate the configuration
func (c Config) Validate() error {
// Fast checks. Perform these first for a more responsive CLI.
checks := []struct {
bad bool
errMsg string
}{
{c.Issuer == "", "no issuer specified in config file"},
{!c.EnablePasswordDB && len(c.StaticPasswords) != 0, "cannot specify static passwords without enabling password db"},
{c.Web.HTTP == "" && c.Web.HTTPS == "", "must supply a HTTP/HTTPS address to listen on"},
{c.Web.HTTPS != "" && c.Web.TLSCert == "", "no cert specified for HTTPS"},
{c.Web.HTTPS != "" && c.Web.TLSKey == "", "no private key specified for HTTPS"},
{c.GRPC.TLSCert != "" && c.GRPC.Addr == "", "no address specified for gRPC"},
{c.GRPC.TLSKey != "" && c.GRPC.Addr == "", "no address specified for gRPC"},
{(c.GRPC.TLSCert == "") != (c.GRPC.TLSKey == ""), "must specific both a gRPC TLS cert and key"},
{c.GRPC.TLSCert == "" && c.GRPC.TLSClientCA != "", "cannot specify gRPC TLS client CA without a gRPC TLS cert"},
}
var checkErrors []string
for _, check := range checks {
if check.bad {
checkErrors = append(checkErrors, check.errMsg)
}
}
if len(checkErrors) != 0 {
return fmt.Errorf("invalid Config:\n\t-\t%s", strings.Join(checkErrors, "\n\t-\t"))
}
return nil
}
// OAuth2 describes enabled OAuth2 extensions.
type OAuth2 struct {
ResponseTypes []string `json:"responseTypes"`
// If specified, do not prompt the user to approve client authorization. The
// act of logging in implies authorization.
SkipApprovalScreen bool `json:"skipApprovalScreen"`
// If specified, show the connector selection screen even if there's only one
AlwaysShowLoginScreen bool `json:"alwaysShowLoginScreen"`
// This is the connector that can be used for password grant
PasswordConnector string `json:"passwordConnector"`
}
// Web is the config format for the HTTP server.
type Web struct {
HTTP string `json:"http"`
HTTPS string `json:"https"`
TLSCert string `json:"tlsCert"`
TLSKey string `json:"tlsKey"`
AllowedOrigins []string `json:"allowedOrigins"`
}
// Telemetry is the config format for telemetry including the HTTP server config.
type Telemetry struct {
HTTP string `json:"http"`
}
// GRPC is the config for the gRPC API.
type GRPC struct {
// The port to listen on.
Addr string `json:"addr"`
TLSCert string `json:"tlsCert"`
TLSKey string `json:"tlsKey"`
TLSClientCA string `json:"tlsClientCA"`
Reflection bool `json:"reflection"`
}
// Storage holds app's storage configuration.
type Storage struct {
Type string `json:"type"`
Config interface{} `json:"config"`
}
// Connector is a magical type that can unmarshal YAML dynamically. The
// Type field determines the connector type, which is then customized for Config.
type Connector struct {
Type string `json:"type"`
Name string `json:"name"`
ID string `json:"id"`
Config ConnectorConfig `json:"config"`
}
// UnmarshalJSON allows Connector to implement the unmarshaler interface to
// dynamically determine the type of the connector config.
func (c *Connector) UnmarshalJSON(b []byte) error {
var conn struct {
Type string `json:"type"`
Name string `json:"name"`
ID string `json:"id"`
Config json.RawMessage `json:"config"`
}
if err := json.Unmarshal(b, &conn); err != nil {
return fmt.Errorf("parse connector: %v", err)
}
f, ok := ConnectorsConfig[conn.Type]
if !ok {
return fmt.Errorf("unknown connector type %q", conn.Type)
}
connConfig := f()
if len(conn.Config) != 0 {
if err := json.Unmarshal(conn.Config, connConfig); err != nil {
return fmt.Errorf("parse connector config: %v", err)
}
}
*c = Connector{
Type: conn.Type,
Name: conn.Name,
ID: conn.ID,
Config: connConfig,
}
return nil
}
// Expiry holds configuration for the validity period of components.
type Expiry struct {
// SigningKeys defines the duration of time after which the SigningKeys will be rotated.
SigningKeys string `json:"signingKeys"`
// IdTokens defines the duration of time for which the IdTokens will be valid.
IDTokens string `json:"idTokens"`
// AuthRequests defines the duration of time for which the AuthRequests will be valid.
AuthRequests string `json:"authRequests"`
// DeviceRequests defines the duration of time for which the DeviceRequests will be valid.
DeviceRequests string `json:"deviceRequests"`
}
// logger holds configuration required to customize logging for dex.
type logger struct {
// Level sets logging level severity.
Level string `json:"level"`
// Format specifies the format to be used for logging.
Format string `json:"format"`
}