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Signed requests can now be generated and transmitted by the client. 

Example code:
    require 'google/api_client'
    client = Google::APIClient.new(:service => 'buzz')
    client.authorization.fetch_temporary_credential!(
      :additional_parameters => {
        'scope' => 'https://www.googleapis.com/auth/buzz'
      }
    )
    client.authorization.authorization_uri
    # Redirect user here
    client.authorization.fetch_token_credential!(:verifier => '12345')
    response = client.execute(
      'buzz.activities.list',
      'scope' => '@self', 'userId' => '@me', 'alt' => 'json'
    )
    status, headers, body = response

git-svn-id: https://google-api-ruby-client.googlecode.com/svn/trunk@34 c1d61fac-ed7f-fcc1-18f7-ff78120a04ef
This commit is contained in:
Bob Aman 2010-09-16 23:40:08 +00:00
parent f462322be5
commit 3a9d58108a
2 changed files with 123 additions and 42 deletions
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51
lib/google/api_client.rb
View File

@ -132,29 +132,44 @@ module Google #:nodoc:
return nil
end
def build_request(*args, &block)
if !args.empty? || block
if args.size != 2
raise ArgumentError, "wrong number of arguments (#{args.size} for 2)"
def discovered_method(rpc_name, service_version='1.0')
for service in self.discovered_services
# This looks kinda weird, but is not a real problem because there's
# almost always only one service, and this is memoized anyhow.
if service.version.to_s == service_version.to_s
return service.to_h[rpc_name] if service.to_h[rpc_name]
end
rpc_name = args[0]
if !rpc_name.kind_of?(String)
raise TypeError, "Expected String, got #{rpc_name.class}."
end
parameters = args[1]
if !parameters.kind_of?(Hash)
raise TypeError, "Expected Hash, got #{parameters.class}."
return nil
end
signature_needed = false
if signature_needed
def generate_request(
api_method, parameters={}, body='', headers=[], options={})
options={
:signed => true,
:service_version => '1.0'
}.merge(options)
if api_method.kind_of?(String)
api_method = self.discovered_method(
api_method, options[:service_version]
)
elsif !api_method.kind_of?(::Google::APIClient::Service)
raise TypeError,
"Expected String or Google::APIClient::Service, " +
"got #{api_method.class}."
end
request = api_method.generate_request(parameters, body, headers)
if options[:signed]
request = self.sign_request(request)
end
return args
else
require 'google/api_client/discovery/method_builder'
return ::Google::APIClient::MethodBuilder.new(self, :build_request)
return request
end
def execute(api_method, parameters={}, body='', headers=[], options={})
request = self.generate_request(
api_method, parameters, body, headers, options
)
return self.transmit_request(request)
end
def transmit_request(request)
@ -172,10 +187,6 @@ module Google #:nodoc:
'#generate_authenticated_request.'
end
end
def execute_signed_request(*args, &block)
return self.transmit_request(self.build_request(*args, &block))
end
end
end

88
lib/google/api_client/discovery/service.rb
View File

@ -66,6 +66,19 @@ module Google #:nodoc:
)
end
def to_h
return @hash ||= (begin
methods_hash = {}
self.methods.each do |method|
methods_hash[method.rpc_name] = method
end
self.resources.each do |resource|
methods_hash.merge!(resource.to_h)
end
methods_hash
end)
end
##
# Returns a <code>String</code> representation of the service's state.
#
@ -117,6 +130,19 @@ module Google #:nodoc:
)
end
def to_h
return @hash ||= (begin
methods_hash = {}
self.methods.each do |method|
methods_hash[method.rpc_name] = method
end
self.resources.each do |resource|
methods_hash.merge!(resource.to_h)
end
methods_hash
end)
end
##
# Returns a <code>String</code> representation of the resource's state.
#
@ -137,12 +163,18 @@ module Google #:nodoc:
attr_reader :name, :description, :base
def uri_template
return Addressable::Template.new(base + self.description['pathUrl'])
def rpc_name
return self.description['rpcName']
end
def generate_uri(parameters={})
def uri_template
return @uri_template ||=
Addressable::Template.new(base + self.description['pathUrl'])
end
def normalize_parameters(parameters={})
# Convert keys to Strings when appropriate
if parameters.kind_of?(Hash) || parameters.kind_of?(Array)
parameters = parameters.inject({}) do |accu, (k, v)|
k = k.to_s if k.kind_of?(Symbol)
k = k.to_str if k.respond_to?(:to_str)
@ -152,12 +184,17 @@ module Google #:nodoc:
accu[k] = v
accu
end
template_variables = self.uri_template.variables
missing_variables = template_variables - parameters.keys
if missing_variables.size > 0
raise ArgumentError,
"Missing required parameters: #{missing_variables.join(', ')}."
else
raise TypeError,
"Expected Hash or Array, got #{parameters.class}."
end
return parameters
end
def generate_uri(parameters={})
parameters = self.normalize_parameters(parameters)
self.validate_parameters(parameters)
template_variables = self.uri_template.variables
uri = self.uri_template.expand(parameters)
query_parameters = parameters.reject do |k, v|
template_variables.include?(k)
@ -170,13 +207,46 @@ module Google #:nodoc:
return uri.normalize
end
def generate_request(parameters={}, body='', headers=[])
method = self.description['httpMethod'] || 'GET'
uri = self.generate_uri(parameters)
return [method, uri.to_str, headers, [body]]
end
def validate_parameters(parameters={})
parameters = self.normalize_parameters(parameters)
parameter_description = self.description['parameters'] || {}
required_variables = Hash[parameter_description.select do |k, v|
v['required']
end].keys
missing_variables = required_variables - parameters.keys
if missing_variables.size > 0
raise ArgumentError,
"Missing required parameters: #{missing_variables.join(', ')}."
end
parameters.each do |k, v|
if parameter_description[k]
pattern = parameter_description[k]['pattern']
if pattern
regexp = Regexp.new("^#{pattern}$")
if v !~ regexp
raise ArgumentError,
"Parameter '#{k}' has an invalid value: #{v}. " +
"Must match: /^#{pattern}$/."
end
end
end
end
return nil
end
##
# Returns a <code>String</code> representation of the method's state.
#
# @return [String] The method's state, as a <code>String</code>.
def inspect
sprintf(
"#<%s:%#0x NAME:%s>", self.class.to_s, self.object_id, self.name
"#<%s:%#0x NAME:%s>", self.class.to_s, self.object_id, self.rpc_name
)
end
end