Class: Boar::Handlers::Downloads::S3

Inherits:
Base show all
Defined in:
app/models/boar/handlers/downloads/s3.rb

Overview

noinspection RubyClassModuleNamingConvention

Constant Summary collapse

URL_AGE = 
604800

Instance Attribute Summary

Attributes inherited from Base

#options, #provider_options

Attributes inherited from Generic

#configuration, #service

Instance Method Summary collapse

Methods inherited from Base

#class_key, #credentials_params, #finalize_path, #load_credentials, #update_credentials

Methods included from Utils::Basic

#ensure_hash, #get_option, #interpolate

Constructor Details

#initialize(service, options) ⇒ S3

Returns a new instance of S3.



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# File 'app/models/boar/handlers/downloads/s3.rb', line 14

def initialize(service, options)
  super(service, options)

  configuration = self.load_credentials
  @s3_configuration = {access_key_id: configuration[:access_key], secret_access_key: configuration[:access_secret], region: configuration[:region]}
end

Instance Method Details

#call(path, entry, skip_cache, _, _) ⇒ Object 



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# File 'app/models/boar/handlers/downloads/s3.rb', line 21

def call(path, entry, skip_cache, _, _)
  # Read the URL from Redis
  key = @configuration.backend_key("downloads:s3[#{path}]", self, @service.controller.request)
  url = @configuration.backend.get(key)

  if skip_cache || url.blank? then
    begin
      # Update the region
      @s3_configuration[:region] = entry[:region] if entry[:region].present?

      # Get the object
      object = AWS::S3.new(@s3_configuration).buckets[entry[:bucket]].objects[entry[:key]]
      raise ArgumentError if !object.exists?

      # Get the public URL
      url = object.url_for(:read, response_content_disposition: entry[:disposition], expire: Boar::Handlers::Downloads::S3::URL_AGE).to_s

      # Save the URL
      if url.present? then
        @configuration.backend.set(key, url)
        @configuration.backend.expire(key, Boar::Handlers::Downloads::S3::URL_AGE)
      end
    rescue => e
      raise Boar::Exceptions::ServerError.new("[#{e.class}] #{e.message}")
    end
  end

  # Redirect to the final URL
  @service.controller.redirect_to(url)
end