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Size: 1.54 KB
Versions: 8
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Stored size: 1.54 KB
Contents
require 'cgi'
module Azure
module ServiceBus
module Auth
class SharedAccessSigner < Azure::Core::Auth::Signer
# The number of seconds from the time of signature that the SAS token will expire
attr_accessor :expiry_offset, :key_name
# Public: Initialize the Signer.
#
# @param key_name [String] The service bus SAS key name. Defaults to the one in the global configuration.
# @param key [String] The service bus SAS key encoded in Base64. Defaults to the one in the global configuration.
# @param expiry_offset [Integer] The number of seconds from the time of signature that the SAS token will expire. Defaults to 30 minutes.
def initialize(key_name=Azure.sb_sas_key_name, key=Azure.sb_sas_key, expiry_offset = 60*5)
super(key)
@key_name, @expiry_offset = key_name, expiry_offset
end
def name
'SharedAccessSignature'
end
def token(uri)
url_encoded_resource = CGI.escape(uri.to_s.downcase).gsub('+', '%20').downcase
expiry = Time.now.to_i + expiry_offset
sig = CGI.escape(signature(url_encoded_resource, expiry)).gsub('+', '%20')
"#{name} sig=#{sig}&se=#{expiry}&skn=#{key_name}&sr=#{url_encoded_resource}"
end
def sign_request(req)
req.headers['Authorization'] = token(req.uri)
end
private
def signature(url_encoded_resource, expiry)
sign([url_encoded_resource, expiry].join("\n"))
end
end
end
end
end
Version data entries
8 entries across 8 versions & 2 rubygems