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refactors get_object_https_url request, adds temp_signed_url method to file class

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Julian Weber 2013-10-01 16:31:53 +02:00
parent 005293e69f
commit 997cec9271
2 changed files with 49 additions and 14 deletions
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5
lib/fog/openstack/models/storage/file.rb
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@ -69,6 +69,11 @@ module Fog
requires :key
self.collection.get_url(self.key)
end
def temp_signed_url(expires_secs, method)
requires :directory, :key
service.generate_object_temp_url(directory.key, key, expires_secs, method)
end
def save(options = {})
requires :body, :directory, :key

58
lib/fog/openstack/requests/storage/get_object_https_url.rb
View file

@ -18,20 +18,27 @@ module Fog
# ==== See Also
# http://docs.rackspace.com/files/api/v1/cf-devguide/content/Create_TempURL-d1a444.html
def get_object_https_url(container, object, expires, options = {})
if @openstack_temp_url_key.nil?
raise ArgumentError, "Storage must my instantiated with the :openstack_temp_url_key option"
end
method = 'GET'
expires = expires.to_i
object_path_escaped = "#{@path}/#{Fog::OpenStack.escape(container)}/#{Fog::OpenStack.escape(object,"/")}"
object_path_unescaped = "#{@path}/#{Fog::OpenStack.escape(container)}/#{object}"
string_to_sign = "#{method}\n#{expires}\n#{object_path_unescaped}"
hmac = Fog::HMAC.new('sha1', @openstack_temp_url_key)
sig = sig_to_hex(hmac.sign(string_to_sign))
"https://#{@host}#{object_path_escaped}?temp_url_sig=#{sig}&temp_url_expires=#{expires}"
create_temp_url(container, object, expires, "GET", "https", options)
end
# Get an expiring object url from Cloud Files
# The function uses the scheme used by the storage object (http or https)
#
# ==== Parameters
# * container<~String> - Name of container containing object
# * object<~String> - Name of object to get expiring url for
# * expires_secs<~Time> - The duration in seconds of the validity for the generated url
# * method<~String> - The name of the method to be accessible via the url ("GET", "PUT" or "HEAD")
#
# ==== Returns
# * response<~Excon::Response>:
# * body<~String> - url for object
#
# ==== See Also
# http://docs.rackspace.com/files/api/v1/cf-devguide/content/Create_TempURL-d1a444.html
def generate_object_temp_url(container, object, expires_secs, method, options = {})
expires = (Time.now + expires_secs.to_i).to_i
create_temp_url(container, object, expires, method, @scheme, options)
end
private
@ -43,6 +50,29 @@ module Fog
h.size == 1 ? "0#{h}" : h
}.join
end
def create_temp_url(container, object, expires, method, scheme, options = {})
raise ArgumentError, "Insufficient parameters specified." unless (container && object && expires && method)
raise ArgumentError, "Storage must my instantiated with the :openstack_temp_url_key option" if @openstack_temp_url_key.nil?
# POST not allowed
allowed_methods = %w{GET PUT HEAD}
unless allowed_methods.include?(method)
raise ArgumentError.new("Invalid method '#{method}' specified. Valid methods are: #{allowed_methods.join(', ')}")
end
expires = expires.to_i
object_path_escaped = "#{@path}/#{Fog::OpenStack.escape(container)}/#{Fog::OpenStack.escape(object,"/")}"
object_path_unescaped = "#{@path}/#{Fog::OpenStack.escape(container)}/#{object}"
string_to_sign = "#{method}\n#{expires}\n#{object_path_unescaped}"
hmac = Fog::HMAC.new('sha1', @openstack_temp_url_key)
sig = sig_to_hex(hmac.sign(string_to_sign))
"#{scheme}://#{@host}#{object_path_escaped}?temp_url_sig=#{sig}&temp_url_expires=#{expires}"
end
end