cmd/dex: accept raw bcrypt'd hash as well as base64'd version of hash

cmd/dex/config.go

 package main
 
 import (
+	"encoding/base64"
 	"encoding/json"
 	"fmt"
 
+	"golang.org/x/crypto/bcrypt"
+
 	"github.com/coreos/dex/connector"
 	"github.com/coreos/dex/connector/github"
 	"github.com/coreos/dex/connector/ldap"
@@ -38,7 +41,47 @@ type Config struct {
 	// StaticPasswords cause the server use this list of passwords rather than
 	// querying the storage. Cannot be specified without enabling a passwords
 	// database.
-	StaticPasswords []storage.Password `json:"staticPasswords"`
+	StaticPasswords []password `json:"staticPasswords"`
+}
+
+type password storage.Password
+
+func (p *password) UnmarshalJSON(b []byte) error {
+	var data struct {
+		Email    string `json:"email"`
+		Username string `json:"username"`
+		UserID   string `json:"userID"`
+		Hash     string `json:"hash"`
+	}
+	if err := json.Unmarshal(b, &data); err != nil {
+		return err
+	}
+	*p = password(storage.Password{
+		Email:    data.Email,
+		Username: data.Username,
+		UserID:   data.UserID,
+	})
+	if len(data.Hash) == 0 {
+		return fmt.Errorf("no password hash provided")
+	}
+
+	// If this value is a valid bcrypt, use it.
+	_, bcryptErr := bcrypt.Cost([]byte(data.Hash))
+	if bcryptErr == nil {
+		p.Hash = []byte(data.Hash)
+		return nil
+	}
+
+	// For backwards compatibility try to base64 decode this value.
+	hashBytes, err := base64.StdEncoding.DecodeString(data.Hash)
+	if err != nil {
+		return fmt.Errorf("malformed bcrypt hash: %v", bcryptErr)
+	}
+	if _, err := bcrypt.Cost(hashBytes); err != nil {
+		return fmt.Errorf("malformed bcrypt hash: %v", err)
+	}
+	p.Hash = hashBytes
+	return nil
 }
 
 // OAuth2 describes enabled OAuth2 extensions.
@@ -161,7 +204,7 @@ func (c *Connector) UnmarshalJSON(b []byte) error {
 	}
 	*c = Connector{
 		Type:   conn.Type,
-		Name:   conn.Type,
+		Name:   conn.Name,
 		ID:     conn.ID,
 		Config: connConfig,
 	}

cmd/dex/config_test.go

@@ -3,37 +3,124 @@ package main
 import (
 	"testing"
 
+	"github.com/coreos/dex/connector/mock"
+	"github.com/coreos/dex/connector/oidc"
 	"github.com/coreos/dex/storage"
+	"github.com/coreos/dex/storage/sql"
+	"github.com/ghodss/yaml"
 	"github.com/kylelemons/godebug/pretty"
-
-	yaml "gopkg.in/yaml.v2"
 )
 
-func TestUnmarshalClients(t *testing.T) {
-	data := `staticClients:
+var _ = yaml.YAMLToJSON
+
+func TestUnmarshalConfig(t *testing.T) {
+	rawConfig := []byte(`
+issuer: http://127.0.0.1:5556/dex
+storage:
+  type: sqlite3
+  config:
+    file: examples/dex.db
+
+web:
+  http: 127.0.0.1:5556
+staticClients:
 - id: example-app
   redirectURIs:
   - 'http://127.0.0.1:5555/callback'
   name: 'Example App'
   secret: ZXhhbXBsZS1hcHAtc2VjcmV0
-`
-	var c Config
-	if err := yaml.Unmarshal([]byte(data), &c); err != nil {
-		t.Fatal(err)
-	}
 
-	wantClients := []storage.Client{
-		{
-			ID:     "example-app",
-			Name:   "Example App",
-			Secret: "ZXhhbXBsZS1hcHAtc2VjcmV0",
-			RedirectURIs: []string{
-				"http://127.0.0.1:5555/callback",
+connectors:
+- type: mockCallback
+  id: mock
+  name: Example
+- type: oidc
+  id: google
+  name: Google
+  config:
+    issuer: https://accounts.google.com
+    #  Config values starting with a "$" will read from the environment.
+    clientID: $GOOGLE_CLIENT_ID
+    clientSecret: $GOOGLE_CLIENT_SECRET
+    redirectURI: http://127.0.0.1:5556/dex/callback/google
+
+enablePasswordDB: true
+staticPasswords:
+- email: "admin@example.com"
+  # bcrypt hash of the string "password"
+  hash: "$2a$10$33EMT0cVYVlPy6WAMCLsceLYjWhuHpbz5yuZxu/GAFj03J9Lytjuy"
+  username: "admin"
+  userID: "08a8684b-db88-4b73-90a9-3cd1661f5466"
+- email: "foo@example.com"  
+  # base64'd value of the same bcrypt hash above. We want to be able to parse both of these
+  hash: "JDJhJDEwJDMzRU1UMGNWWVZsUHk2V0FNQ0xzY2VMWWpXaHVIcGJ6NXl1Wnh1L0dBRmowM0o5THl0anV5"
+  username: "foo"
+  userID: "41331323-6f44-45e6-b3b9-2c4b60c02be5"
+`)
+
+	want := Config{
+		Issuer: "http://127.0.0.1:5556/dex",
+		Storage: Storage{
+			Type: "sqlite3",
+			Config: &sql.SQLite3{
+				File: "examples/dex.db",
+			},
+		},
+		Web: Web{
+			HTTP: "127.0.0.1:5556",
+		},
+		StaticClients: []storage.Client{
+			{
+				ID:     "example-app",
+				Secret: "ZXhhbXBsZS1hcHAtc2VjcmV0",
+				Name:   "Example App",
+				RedirectURIs: []string{
+					"http://127.0.0.1:5555/callback",
+				},
+			},
+		},
+		Connectors: []Connector{
+			{
+				Type:   "mockCallback",
+				ID:     "mock",
+				Name:   "Example",
+				Config: &mock.CallbackConfig{},
+			},
+			{
+				Type: "oidc",
+				ID:   "google",
+				Name: "Google",
+				Config: &oidc.Config{
+					Issuer:       "https://accounts.google.com",
+					ClientID:     "$GOOGLE_CLIENT_ID",
+					ClientSecret: "$GOOGLE_CLIENT_SECRET",
+					RedirectURI:  "http://127.0.0.1:5556/dex/callback/google",
+				},
+			},
+		},
+		EnablePasswordDB: true,
+		StaticPasswords: []password{
+			{
+				Email:    "admin@example.com",
+				Hash:     []byte("$2a$10$33EMT0cVYVlPy6WAMCLsceLYjWhuHpbz5yuZxu/GAFj03J9Lytjuy"),
+				Username: "admin",
+				UserID:   "08a8684b-db88-4b73-90a9-3cd1661f5466",
+			},
+			{
+				Email:    "foo@example.com",
+				Hash:     []byte("$2a$10$33EMT0cVYVlPy6WAMCLsceLYjWhuHpbz5yuZxu/GAFj03J9Lytjuy"),
+				Username: "foo",
+				UserID:   "41331323-6f44-45e6-b3b9-2c4b60c02be5",
 			},
 		},
 	}
 
-	if diff := pretty.Compare(wantClients, c.StaticClients); diff != "" {
-		t.Errorf("did not get expected clients: %s", diff)
+	var c Config
+	if err := yaml.Unmarshal(rawConfig, &c); err != nil {
+		t.Fatalf("failed to decode config: %v", err)
 	}
+	if diff := pretty.Compare(c, want); diff != "" {
+		t.Errorf("got!=want: %s", diff)
+	}
+
 }

cmd/dex/serve.go

@@ -136,7 +136,11 @@ func serve(cmd *cobra.Command, args []string) error {
 		s = storage.WithStaticClients(s, c.StaticClients)
 	}
 	if len(c.StaticPasswords) > 0 {
-		s = storage.WithStaticPasswords(s, c.StaticPasswords)
+		passwords := make([]storage.Password, len(c.StaticPasswords))
+		for i, p := range c.StaticPasswords {
+			passwords[i] = storage.Password(p)
+		}
+		s = storage.WithStaticPasswords(s, passwords)
 	}
 
 	serverConfig := server.Config{

examples/config-dev.yaml

@@ -58,7 +58,7 @@ enablePasswordDB: true
 staticPasswords:
 - email: "admin@example.com"
   # bcrypt hash of the string "password"
-  hash: "JDJhJDE0JDh4TnlVZ3pzSmVuQm4ySlRPT2QvbmVGcUlnQzF4TEFVRFA3VlpTVzhDNWlkLnFPcmNlYUJX"
+  hash: "$2a$10$33EMT0cVYVlPy6WAMCLsceLYjWhuHpbz5yuZxu/GAFj03J9Lytjuy"
   username: "admin"
   userID: "08a8684b-db88-4b73-90a9-3cd1661f5466"