Bug fix for OAuth m2m scopes (#178)

Updated m2m authenticator to use "all-apis" scope.
Added a new constructor function for m2m authenticator that allows
client to pass in additional scopes.
Signed-off-by: Raymond Cypher <[email protected]>

Author: rcypher-databricks

auth/oauth/m2m/m2m.go

@@ -17,7 +17,11 @@ import (
 )
 
 func NewAuthenticator(clientID, clientSecret, hostName string) auth.Authenticator {
-	scopes := oauth.GetScopes(hostName, []string{})
+	return NewAuthenticatorWithScopes(clientID, clientSecret, hostName, []string{})
+}
+
+func NewAuthenticatorWithScopes(clientID, clientSecret, hostName string, scopes []string) auth.Authenticator {
+	scopes = GetScopes(hostName, scopes)
 	return &authClient{
 		clientID:     clientID,
 		clientSecret: clientSecret,
@@ -89,3 +93,11 @@ func GetConfig(ctx context.Context, issuerURL, clientID, clientSecret string, sc
 
 	return config, nil
 }
+
+func GetScopes(hostName string, scopes []string) []string {
+	if !oauth.HasScope(scopes, "all-apis") {
+		scopes = append(scopes, "all-apis")
+	}
+
+	return scopes
+}

auth/oauth/m2m/m2m_test.go

@@ -0,0 +1,40 @@
+package m2m
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestM2MScopes(t *testing.T) {
+	t.Run("default should be [all-apis]", func(t *testing.T) {
+		auth := NewAuthenticator("id", "secret", "staging.cloud.company.com").(*authClient)
+		assert.Equal(t, "id", auth.clientID)
+		assert.Equal(t, "secret", auth.clientSecret)
+		assert.Equal(t, []string{"all-apis"}, auth.scopes)
+
+		auth = NewAuthenticatorWithScopes("id", "secret", "staging.cloud.company.com", nil).(*authClient)
+		assert.Equal(t, "id", auth.clientID)
+		assert.Equal(t, "secret", auth.clientSecret)
+		assert.Equal(t, []string{"all-apis"}, auth.scopes)
+
+		auth = NewAuthenticatorWithScopes("id", "secret", "staging.cloud.company.com", []string{}).(*authClient)
+		assert.Equal(t, "id", auth.clientID)
+		assert.Equal(t, "secret", auth.clientSecret)
+		assert.Equal(t, []string{"all-apis"}, auth.scopes)
+	})
+
+	t.Run("should add all-apis to passed scopes", func(t *testing.T) {
+		auth := NewAuthenticatorWithScopes("id", "secret", "staging.cloud.company.com", []string{"my-scope"}).(*authClient)
+		assert.Equal(t, "id", auth.clientID)
+		assert.Equal(t, "secret", auth.clientSecret)
+		assert.Equal(t, []string{"my-scope", "all-apis"}, auth.scopes)
+	})
+
+	t.Run("should not add all-apis if already in passed scopes", func(t *testing.T) {
+		auth := NewAuthenticatorWithScopes("id", "secret", "staging.cloud.company.com", []string{"all-apis", "my-scope"}).(*authClient)
+		assert.Equal(t, "id", auth.clientID)
+		assert.Equal(t, "secret", auth.clientSecret)
+		assert.Equal(t, []string{"all-apis", "my-scope"}, auth.scopes)
+	})
+}

auth/oauth/oauth.go

@@ -45,27 +45,27 @@ func GetEndpoint(ctx context.Context, hostName string) (oauth2.Endpoint, error)
 
 func GetScopes(hostName string, scopes []string) []string {
 	for _, s := range []string{oidc.ScopeOfflineAccess} {
-		if !hasScope(scopes, s) {
+		if !HasScope(scopes, s) {
 			scopes = append(scopes, s)
 		}
 	}
 
 	cloudType := InferCloudFromHost(hostName)
 	if cloudType == Azure {
 		userImpersonationScope := fmt.Sprintf("%s/user_impersonation", azureTenantId)
-		if !hasScope(scopes, userImpersonationScope) {
+		if !HasScope(scopes, userImpersonationScope) {
 			scopes = append(scopes, userImpersonationScope)
 		}
 	} else {
-		if !hasScope(scopes, "sql") {
+		if !HasScope(scopes, "sql") {
 			scopes = append(scopes, "sql")
 		}
 	}
 
 	return scopes
 }
 
-func hasScope(scopes []string, scope string) bool {
+func HasScope(scopes []string, scope string) bool {
 	for _, s := range scopes {
 		if s == scope {
 			return true

auth/oauth/u2m/authenticator.go

@@ -25,11 +25,11 @@ import (
 )
 
 const (
-	azureClientId   = "96eecda7-19ea-49cc-abb5-240097d554f5"
-	azureRedirctURL = "localhost:8030"
+	azureClientId    = "96eecda7-19ea-49cc-abb5-240097d554f5"
+	azureRedirectURL = "localhost:8030"
 
-	awsClientId   = "databricks-sql-connector"
-	awsRedirctURL = "localhost:8030"
+	awsClientId    = "databricks-sql-connector"
+	awsRedirectURL = "localhost:8030"
 )
 
 func NewAuthenticator(hostName string, timeout time.Duration) (auth.Authenticator, error) {
@@ -39,10 +39,10 @@ func NewAuthenticator(hostName string, timeout time.Duration) (auth.Authenticato
 	var clientID, redirectURL string
 	if cloud == oauth.AWS {
 		clientID = awsClientId
-		redirectURL = awsRedirctURL
+		redirectURL = awsRedirectURL
 	} else if cloud == oauth.Azure {
 		clientID = azureClientId
-		redirectURL = azureRedirctURL
+		redirectURL = azureRedirectURL
 	} else {
 		return nil, errors.New("unhandled cloud type: " + cloud.String())
 	}

driverctx/ctx.go

@@ -38,6 +38,7 @@ func CorrelationIdFromContext(ctx context.Context) string {
 }
 
 // NewContextWithConnId creates a new context with connectionId value.
+// The connection ID will be displayed in log messages and other dianostic information.
 func NewContextWithConnId(ctx context.Context, connId string) context.Context {
 	if callback, ok := ctx.Value(ConnIdCallbackKey).(IdCallbackFunc); ok {
 		callback(connId)
@@ -59,6 +60,7 @@ func ConnIdFromContext(ctx context.Context) string {
 }
 
 // NewContextWithQueryId creates a new context with queryId value.
+// The query id will be displayed in log messages and other diagnostic information.
 func NewContextWithQueryId(ctx context.Context, queryId string) context.Context {
 	if callback, ok := ctx.Value(QueryIdCallbackKey).(IdCallbackFunc); ok {
 		callback(queryId)