mirror of
https://github.com/fog/fog.git
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271 lines
8.8 KiB
Ruby
271 lines
8.8 KiB
Ruby
require File.expand_path(File.join(File.dirname(__FILE__), '..', 'google'))
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require 'fog/storage'
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module Fog
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module Storage
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class Google < Fog::Service
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requires :google_storage_access_key_id, :google_storage_secret_access_key
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recognizes :host, :port, :scheme, :persistent
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model_path 'fog/google/models/storage'
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collection :directories
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model :directory
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collection :files
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model :file
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request_path 'fog/google/requests/storage'
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request :copy_object
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request :delete_bucket
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request :delete_object
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request :get_bucket
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request :get_bucket_acl
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request :get_object
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request :get_object_acl
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request :get_object_torrent
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request :get_object_http_url
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request :get_object_https_url
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request :get_object_url
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request :get_service
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request :head_object
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request :put_bucket
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request :put_bucket_acl
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request :put_object
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request :put_object_url
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module Utils
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def http_url(params, expires)
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"http://" << host_path_query(params, expires)
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end
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def https_url(params, expires)
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"https://" << host_path_query(params, expires)
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end
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def url(params, expires)
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Fog::Logger.deprecation("Fog::Storage::Google => #url is deprecated, use #https_url instead [light_black](#{caller.first})[/]")
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https_url(params, expires)
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end
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private
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def host_path_query(params, expires)
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params[:headers]['Date'] = expires.to_i
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params[:path] = CGI.escape(params[:path]).gsub('%2F', '/')
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query = [params[:query]].compact
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query << "GoogleAccessKeyId=#{@google_storage_access_key_id}"
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query << "Signature=#{CGI.escape(signature(params))}"
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query << "Expires=#{params[:headers]['Date']}"
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"#{params[:host]}/#{params[:path]}?#{query.join('&')}"
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end
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end
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class Mock
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include Utils
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def self.acls(type)
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case type
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when 'private'
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{
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"AccessControlList"=> [
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{
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"Permission" => "FULL_CONTROL",
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"Scope" => {"ID" => "2744ccd10c7533bd736ad890f9dd5cab2adb27b07d500b9493f29cdc420cb2e0", "type" => "UserById"}
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}
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],
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"Owner" => {"ID" => "2744ccd10c7533bd736ad890f9dd5cab2adb27b07d500b9493f29cdc420cb2e0"}
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}
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when 'public-read'
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{
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"AccessControlList"=> [
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{
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"Permission" => "FULL_CONTROL",
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"Scope" => {"ID" => "2744ccd10c7533bd736ad890f9dd5cab2adb27b07d500b9493f29cdc420cb2e0", "type" => "UserById"}
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},
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{
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"Permission" => "READ",
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"Scope" => {"type" => "AllUsers"}
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}
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],
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"Owner" => {"ID" => "2744ccd10c7533bd736ad890f9dd5cab2adb27b07d500b9493f29cdc420cb2e0"}
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}
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when 'public-read-write'
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{
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"AccessControlList"=> [
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{
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"Permission" => "FULL_CONTROL",
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"Scope" => {"ID" => "2744ccd10c7533bd736ad890f9dd5cab2adb27b07d500b9493f29cdc420cb2e0", "type" => "UserById"}
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},
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{
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"Permission" => "READ",
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"Scope" => {"type" => "AllUsers"}
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},
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{
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"Permission" => "WRITE",
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"Scope" => {"type" => "AllUsers"}
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}
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],
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"Owner" => {"ID" => "2744ccd10c7533bd736ad890f9dd5cab2adb27b07d500b9493f29cdc420cb2e0"}
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}
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when 'authenticated-read'
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{
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"AccessControlList"=> [
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{
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"Permission" => "FULL_CONTROL",
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"Scope" => {"ID" => "2744ccd10c7533bd736ad890f9dd5cab2adb27b07d500b9493f29cdc420cb2e0", "type" => "UserById"}
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},
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{
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"Permission" => "READ",
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"Scope" => {"type" => "AllAuthenticatedUsers"}
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}
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],
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"Owner" => {"ID" => "2744ccd10c7533bd736ad890f9dd5cab2adb27b07d500b9493f29cdc420cb2e0"}
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}
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end
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end
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def self.data
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@data ||= Hash.new do |hash, key|
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hash[key] = {
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:acls => {
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:bucket => {},
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:object => {}
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},
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:buckets => {}
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}
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end
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end
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def self.reset
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@data = nil
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end
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def initialize(options={})
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require 'mime/types'
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@google_storage_access_key_id = options[:google_storage_access_key_id]
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end
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def data
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self.class.data[@google_storage_access_key_id]
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end
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def reset_data
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self.class.data.delete(@google_storage_access_key_id)
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end
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def signature(params)
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"foo"
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end
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end
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class Real
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include Utils
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# Initialize connection to Google Storage
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#
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# ==== Notes
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# options parameter must include values for :google_storage_access_key_id and
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# :google_storage_secret_access_key in order to create a connection
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#
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# ==== Examples
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# google_storage = Storage.new(
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# :google_storage_access_key_id => your_google_storage_access_key_id,
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# :google_storage_secret_access_key => your_google_storage_secret_access_key
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# )
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#
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# ==== Parameters
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# * options<~Hash> - config arguments for connection. Defaults to {}.
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#
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# ==== Returns
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# * Storage object with connection to google.
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def initialize(options={})
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require 'fog/core/parser'
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require 'mime/types'
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@google_storage_access_key_id = options[:google_storage_access_key_id]
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@google_storage_secret_access_key = options[:google_storage_secret_access_key]
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@connection_options = options[:connection_options] || {}
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@hmac = Fog::HMAC.new('sha1', @google_storage_secret_access_key)
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@host = options[:host] || 'commondatastorage.googleapis.com'
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@persistent = options[:persistent] || true
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@port = options[:port] || 443
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@scheme = options[:scheme] || 'https'
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@connection = Fog::Connection.new("#{@scheme}://#{@host}:#{@port}", @persistent, @connection_options)
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end
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def reload
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@connection.reset
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end
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def signature(params)
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string_to_sign =
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<<-DATA
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#{params[:method]}
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#{params[:headers]['Content-MD5']}
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#{params[:headers]['Content-Type']}
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#{params[:headers]['Date']}
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DATA
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google_headers, canonical_google_headers = {}, ''
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for key, value in params[:headers]
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if key[0..6] == 'x-goog-'
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google_headers[key] = value
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end
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end
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google_headers = google_headers.sort {|x, y| x[0] <=> y[0]}
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for key, value in google_headers
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canonical_google_headers << "#{key}:#{value}\n"
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end
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string_to_sign << "#{canonical_google_headers}"
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subdomain = params[:host].split(".#{@host}").first
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unless subdomain =~ /^(?:[a-z]|\d(?!\d{0,2}(?:\.\d{1,3}){3}$))(?:[a-z0-9]|\.(?![\.\-])|\-(?![\.])){1,61}[a-z0-9]$/
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Fog::Logger.warning("fog: the specified google storage bucket name(#{subdomain}) is not a valid dns name. See: http://code.google.com/apis/storage/docs/developer-guide.html#naming")
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params[:host] = params[:host].split("#{subdomain}.")[-1]
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if params[:path]
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params[:path] = "#{subdomain}/#{params[:path]}"
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else
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params[:path] = "#{subdomain}"
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end
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subdomain = nil
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end
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canonical_resource = "/"
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unless subdomain.nil? || subdomain == @host
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canonical_resource << "#{CGI.escape(subdomain).downcase}/"
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end
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canonical_resource << "#{params[:path]}"
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canonical_resource << '?'
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for key in (params[:query] || {}).keys
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if ['acl', 'location', 'logging', 'requestPayment', 'torrent', 'versions', 'versioning'].include?(key)
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canonical_resource << "#{key}&"
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end
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end
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canonical_resource.chop!
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string_to_sign << "#{canonical_resource}"
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signed_string = @hmac.sign(string_to_sign)
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Base64.encode64(signed_string).chomp!
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end
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private
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def request(params, &block)
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params[:headers]['Date'] = Fog::Time.now.to_date_header
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params[:headers]['Authorization'] = "GOOG1 #{@google_storage_access_key_id}:#{signature(params)}"
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response = @connection.request(params, &block)
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response
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end
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end
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end
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end
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end
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