Class: Gcloud::Storage::Bucket::Cors

Inherits:
Array
  • Object
show all
Defined in:
lib/gcloud/storage/bucket/cors.rb

Overview

# Bucket Cors

A special-case Array for managing the website CORS rules for a bucket. Accessed via a block argument to Project#create_bucket, #cors, or #update.

Examples:

require "gcloud"

gcloud = Gcloud.new
storage = gcloud.storage
bucket = storage.bucket "my-todo-app"

bucket.cors do |c|
  # Remove the last CORS rule from the array
  c.pop
  # Remove all existing rules with the https protocol
  c.delete_if { |r| r["origin"].include? "http://example.com" }
  c.add_rule ["http://example.org", "https://example.org"],
             ["GET", "POST", "DELETE"],
             response_headers: ["X-My-Custom-Header"],
             max_age: 3600
end

See Also:

Instance Method Summary collapse

Constructor Details

#initialize(cors = []) ⇒ Cors

Initialize a new CORS rules builder with existing CORS rules, if any.



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# File 'lib/gcloud/storage/bucket/cors.rb', line 53

def initialize cors = []
  super cors.dup
  @original = cors.dup
end

Instance Method Details

#add_rule(origin, methods, headers: nil, max_age: nil) ⇒ Object

Add a CORS rule to the CORS rules for a bucket. Accepts options for setting preflight response headers. Preflight requests and responses are required if the request method and headers are not both [simple methods](www.w3.org/TR/cors/#simple-method) and [simple headers](www.w3.org/TR/cors/#simple-header).

Examples:

require "gcloud"

gcloud = Gcloud.new
storage = gcloud.storage

bucket = storage.create_bucket "my-bucket" do |c|
  c.add_rule ["http://example.org", "https://example.org"],
             "*",
             response_headers: ["X-My-Custom-Header"],
             max_age: 300
end

Parameters:

  • origin (String, Array<String>) —

    The [origin](tools.ietf.org/html/rfc6454) or origins permitted for cross origin resource sharing with the bucket. Note: “*” is permitted in the list of origins, and means “any Origin”.

  • methods (String, Array<String>) —

    The list of HTTP methods permitted in cross origin resource sharing with the bucket. (GET, OPTIONS, POST, etc) Note: “*” is permitted in the list of methods, and means “any method”.

  • headers (String, Array<String>) (defaults to: nil) —

    The list of header field names to send in the Access-Control-Allow-Headers header in the preflight response. Indicates the custom request headers that may be used in the actual request.

  • max_age (Integer) (defaults to: nil) —

    The value to send in the Access-Control-Max-Age header in the preflight response. Indicates how many seconds the results of a preflight request can be cached in a preflight result cache. The default value is ‘1800` (30 minutes.)



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# File 'lib/gcloud/storage/bucket/cors.rb', line 100

def add_rule origin, methods, headers: nil, max_age: nil
  rule = { "origin" => Array(origin), "method" => Array(methods) }
  rule["responseHeader"] = Array(headers) || []
  rule["maxAgeSeconds"]  = max_age || 1800
  push rule
end

#changed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gcloud/storage/bucket/cors.rb', line 59

def changed?
  @original != self
end