Class: GStore::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/gstore/bucket.rb,
lib/gstore/client.rb,
lib/gstore/object.rb,
lib/gstore/request.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Client

Returns a new instance of Client.



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# File 'lib/gstore/client.rb', line 8

def initialize(options = {})
  @access_key = options[:access_key]
  @secret_key = options[:secret_key]
  @debug = options[:debug] and options[:debug] == true
  @host = options[:host] || 'commondatastorage.googleapis.com'
end

Instance Method Details

#create_bucket(bucket, options = {}) ⇒ Object 



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# File 'lib/gstore/bucket.rb', line 8

def create_bucket(bucket, options={})
  put(bucket, '/', options)
end

#delete_bucket(bucket, options = {}) ⇒ Object 



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# File 'lib/gstore/bucket.rb', line 16

def delete_bucket(bucket, options={})
  delete(bucket, '/', options)
end

#delete_object(bucket, filename, options = {}) ⇒ Object 



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# File 'lib/gstore/object.rb', line 17

def delete_object(bucket, filename, options={})
  delete(bucket, "/#{filename}", options)
end

#get_bucket(bucket, options = {}) ⇒ Object 



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# File 'lib/gstore/bucket.rb', line 12

def get_bucket(bucket, options={})
  get(bucket, '/', options)
end

#get_object(bucket, filename, options = {}) ⇒ Object 



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# File 'lib/gstore/object.rb', line 7

def get_object(bucket, filename, options={})
  outfile = options.delete(:outfile)
  res = get(bucket, "/#{filename}", options)
  if outfile
    File.open(outfile, 'w') {|f| f.write(res) }
  else
    res
  end
end

#get_object_metadata(bucket, filename, options = {}) ⇒ Object 



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# File 'lib/gstore/object.rb', line 21

def get_object_metadata(bucket, filename, options={})
  head(bucket, "/#{filename}", options)
end

#list_buckets(options = {}) ⇒ Object 



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# File 'lib/gstore/bucket.rb', line 4

def list_buckets(options={})
  get(nil, '/', options)
end

#put_object(bucket, filename, options = {}) ⇒ Object 



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# File 'lib/gstore/object.rb', line 3

def put_object(bucket, filename, options={})
  put(bucket, "/#{filename}", options)
end

#signed_request(method, host, path, params = {}, headers = {}, options = {}) ⇒ Object 



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# File 'lib/gstore/request.rb', line 12

def signed_request(method, host, path, params={}, headers={}, options={})
  
  if @debug
    puts
    puts "***** METHOD: #{method}"
    puts "***** HOST: #{host}"
    puts "***** PATH: #{path}"
    puts "***** PARAMS: #{params.inspect}"
    puts "***** HEADERS: #{headers.inspect}"
    puts "***** OPTIONS: #{options.inspect}"
    puts
  end
  
  headers.merge!({
    :Host => host,
    :Date => Time.now.utc.strftime('%a, %d %b %Y %H:%M:%S -0000')
    #:"Content-MD5" => ''
  })
  
  if options[:data]
    headers = headers.merge(:"Content-Length" => options[:data].size)
  else
    headers = headers.merge(:"Content-Length" => 0) 
  end
  headers[:"Content-Type"] ||= 'text/plain'
  
  
  bucket = nil
  if host =~ /(\S+).#{@host}/
    bucket = $1
  end
  
  canonical_headers = method.name.gsub('Net::HTTP::', '').upcase + "\n" +
    '' + "\n" + # Content-MD5
    headers[:"Content-Type"] + "\n" + # Content-Type
    headers[:Date] + "\n" # Date
  headers.each do |key,value|
    if key.to_s =~ /^x-goog/
      canonical_headers += "#{key}:#{value}\n"
    end
  end
  
  canonical_resource = ""
  canonical_resource += "/#{bucket}" if bucket
  canonical_resource += path
  canonical_resource += '?acl' if params[:acl]
  
  authorization = 'GOOG1 ' + @access_key + ':' + sign((canonical_headers + canonical_resource).toutf8)
  
  if @debug
    puts
    puts "+++++ BUCKET: #{bucket}"
    puts "+++++ HEADERS: #{headers.inspect}"
    puts "+++++ CANONICAL_HEADERS: #{canonical_headers}"
    puts "+++++ CANONICAL_RESOURCE: #{canonical_resource}"
    puts "+++++ AUTHORIZATION: #{authorization}"
    puts
  end
  
  _http_do(method, host, path, params_to_request_string(params), headers.merge(:Authorization => authorization), options[:data])
end