v1 Test permissions for topic (DEPRECATED)

(DEPRECATED) Test permissions for topic

Code sample

Go

Before trying this sample, follow the Go setup instructions in the Pub/Sub quickstart using client libraries . For more information, see the Pub/Sub Go API reference documentation .

To authenticate to Pub/Sub, set up Application Default Credentials. For more information, see Set up authentication for a local development environment .

  import 
  
 ( 
  
 "context" 
  
 "fmt" 
  
 "io" 
  
 "cloud.google.com/go/pubsub" 
 ) 
 func 
  
 testPermissions 
 ( 
 w 
  
 io 
 . 
 Writer 
 , 
  
 projectID 
 , 
  
 topicID 
  
 string 
 ) 
  
 ([] 
 string 
 , 
  
 error 
 ) 
  
 { 
  
 // projectID := "my-project-id" 
  
 // topicID := "my-topic" 
  
 ctx 
  
 := 
  
 context 
 . 
 Background 
 () 
  
 client 
 , 
  
 err 
  
 := 
  
 pubsub 
 . 
  NewClient 
 
 ( 
 ctx 
 , 
  
 projectID 
 ) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 nil 
 , 
  
 fmt 
 . 
 Errorf 
 ( 
 "pubsub.NewClient: %w" 
 , 
  
 err 
 ) 
  
 } 
  
 topic 
  
 := 
  
 client 
 . 
 Topic 
 ( 
 topicID 
 ) 
  
 perms 
 , 
  
 err 
  
 := 
  
 topic 
 . 
 IAM 
 (). 
 TestPermissions 
 ( 
 ctx 
 , 
  
 [] 
 string 
 { 
  
 "pubsub.topics.publish" 
 , 
  
 "pubsub.topics.update" 
 , 
  
 }) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 nil 
 , 
  
 fmt 
 . 
 Errorf 
 ( 
 "TestPermissions: %w" 
 , 
  
 err 
 ) 
  
 } 
  
 for 
  
 _ 
 , 
  
 perm 
  
 := 
  
 range 
  
 perms 
  
 { 
  
 fmt 
 . 
 Fprintf 
 ( 
 w 
 , 
  
 "Allowed: %v\n" 
 , 
  
 perm 
 ) 
  
 } 
  
 return 
  
 perms 
 , 
  
 nil 
 }

Ruby

Before trying this sample, follow the Ruby setup instructions in the Pub/Sub quickstart using client libraries . For more information, see the Pub/Sub Ruby API reference documentation .

To authenticate to Pub/Sub, set up Application Default Credentials. For more information, see Set up authentication for a local development environment .

  # topic_id = "your-topic-id" 
 pubsub 
  
 = 
  
 Google 
 :: 
 Cloud 
 :: 
  Pubsub 
 
 . 
 new 
 topic 
  
 = 
  
 pubsub 
 . 
 topic 
  
 topic_id 
 permissions 
  
 = 
  
 topic 
 . 
 test_permissions 
  
 "pubsub.topics.attachSubscription" 
 , 
  
 "pubsub.topics.publish" 
 , 
  
 "pubsub.topics.update" 
 puts 
  
 "Permission to attach subscription" 
  
 if 
  
 permissions 
 . 
 include? 
  
 "pubsub.topics.attachSubscription" 
 puts 
  
 "Permission to publish" 
  
 if 
  
 permissions 
 . 
 include? 
  
 "pubsub.topics.publish" 
 puts 
  
 "Permission to update" 
  
 if 
  
 permissions 
 . 
 include? 
  
 "pubsub.topics.update"

What's next

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Code sample

Go

Ruby

What's next

v1 Test permissions for topic (DEPRECATED)