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Pull up some other changes from rails/rails/master

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2 parents bdba0b9 + 45dee38 commit 19208e7422e191098bdbe3d12b75296777e2c75d @michaelklishin michaelklishin committed
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191 actionpack/lib/action_controller/http_authentication.rb
@@ -55,7 +55,31 @@ module HttpAuthentication
# end
# end
#
- #
+ # Simple Digest example. Note the block must return the user's password so the framework
+ # can appropriately hash it to check the user's credentials. Returning nil will cause authentication to fail.
+ #
+ # class PostsController < ApplicationController
+ # Users = {"dhh" => "secret"}
+ #
+ # before_filter :authenticate, :except => [ :index ]
+ #
+ # def index
+ # render :text => "Everyone can see me!"
+ # end
+ #
+ # def edit
+ # render :text => "I'm only accessible if you know the password"
+ # end
+ #
+ # private
+ # def authenticate
+ # authenticate_or_request_with_http_digest(realm) do |user_name|
+ # Users[user_name]
+ # end
+ # end
+ # end
+ #
+ #
# In your integration tests, you can do something like this:
#
# def test_access_granted_from_xml
@@ -108,7 +132,10 @@ def authorization(request)
end
def decode_credentials(request)
- ActiveSupport::Base64.decode64(authorization(request).split.last || '')
+ # Properly decode credentials spanning a new-line
+ auth = authorization(request)
+ auth.slice!('Basic ')
+ ActiveSupport::Base64.decode64(auth || '')
end
def encode_credentials(user_name, password)
@@ -120,5 +147,165 @@ def authentication_request(controller, realm)
controller.__send__ :render, :text => "HTTP Basic: Access denied.\n", :status => :unauthorized
end
end
+
+ module Digest
+ extend self
+
+ module ControllerMethods
+ def authenticate_or_request_with_http_digest(realm = "Application", &password_procedure)
+ begin
+ authenticate_with_http_digest!(realm, &password_procedure)
+ rescue ActionController::HttpAuthentication::Error => e
+ msg = e.message
+ msg = "#{msg} expected '#{e.expected}' was '#{e.was}'" unless e.expected.nil?
+ raise msg if e.fatal?
+ request_http_digest_authentication(realm, msg)
+ end
+ end
+
+ # Authenticate using HTTP Digest, throwing ActionController::HttpAuthentication::Error on failure.
+ # This allows more detailed analysis of authentication failures
+ # to be relayed to the client.
+ def authenticate_with_http_digest!(realm = "Application", &login_procedure)
+ HttpAuthentication::Digest.authenticate(self, realm, &login_procedure)
+ end
+
+ # Authenticate with HTTP Digest, returns true or false
+ def authenticate_with_http_digest(realm = "Application", &login_procedure)
+ HttpAuthentication::Digest.authenticate(self, realm, &login_procedure) rescue false
+ end
+
+ # Render output including the HTTP Digest authentication header
+ def request_http_digest_authentication(realm = "Application", message = nil)
+ HttpAuthentication::Digest.authentication_request(self, realm, message)
+ end
+
+ # Add HTTP Digest authentication header to result headers
+ def http_digest_authentication_header(realm = "Application")
+ HttpAuthentication::Digest.authentication_header(self, realm)
+ end
+ end
+
+ # Raises error unless authentictaion succeeds, returns true otherwise
+ def authenticate(controller, realm, &password_procedure)
+ raise Error.new(false), "No authorization header found" unless authorization(controller.request)
+ validate_digest_response(controller, realm, &password_procedure)
+ true
+ end
+
+ def authorization(request)
+ request.env['HTTP_AUTHORIZATION'] ||
+ request.env['X-HTTP_AUTHORIZATION'] ||
+ request.env['X_HTTP_AUTHORIZATION'] ||
+ request.env['REDIRECT_X_HTTP_AUTHORIZATION']
+ end
+
+ # Raises error unless the request credentials response value matches the expected value.
+ def validate_digest_response(controller, realm, &password_procedure)
+ credentials = decode_credentials(controller.request)
+
+ # Check the nonce, opaque and realm.
+ # Ignore nc, as we have no way to validate the number of times this nonce has been used
+ validate_nonce(controller.request, credentials[:nonce])
+ raise Error.new(false, realm, credentials[:realm]), "Realm doesn't match" unless realm == credentials[:realm]
+ raise Error.new(true, opaque(controller.request), credentials[:opaque]),"Opaque doesn't match" unless opaque(controller.request) == credentials[:opaque]
+
+ password = password_procedure.call(credentials[:username])
+ raise Error.new(false), "No password" if password.nil?
+ expected = expected_response(controller.request.env['REQUEST_METHOD'], controller.request.url, credentials, password)
+ raise Error.new(false, expected, credentials[:response]), "Invalid response" unless expected == credentials[:response]
+ end
+
+ # Returns the expected response for a request of +http_method+ to +uri+ with the decoded +credentials+ and the expected +password+
+ def expected_response(http_method, uri, credentials, password)
+ ha1 = ::Digest::MD5.hexdigest([credentials[:username], credentials[:realm], password].join(':'))
+ ha2 = ::Digest::MD5.hexdigest([http_method.to_s.upcase,uri].join(':'))
+ ::Digest::MD5.hexdigest([ha1,credentials[:nonce], credentials[:nc], credentials[:cnonce],credentials[:qop],ha2].join(':'))
+ end
+
+ def encode_credentials(http_method, credentials, password)
+ credentials[:response] = expected_response(http_method, credentials[:uri], credentials, password)
+ "Digest " + credentials.sort_by {|x| x[0].to_s }.inject([]) {|a, v| a << "#{v[0]}='#{v[1]}'" }.join(', ')
+ end
+
+ def decode_credentials(request)
+ authorization(request).to_s.gsub(/^Digest\s+/,'').split(',').inject({}) do |hash, pair|
+ key, value = pair.split('=', 2)
+ hash[key.strip.to_sym] = value.to_s.gsub(/^"|"$/,'').gsub(/'/, '')
+ hash
+ end
+ end
+
+ def authentication_header(controller, realm)
+ controller.headers["WWW-Authenticate"] = %(Digest realm="#{realm}", qop="auth", algorithm=MD5, nonce="#{nonce(controller.request)}", opaque="#{opaque(controller.request)}")
+ end
+
+ def authentication_request(controller, realm, message = "HTTP Digest: Access denied")
+ authentication_header(controller, realm)
+ controller.send! :render, :text => message, :status => :unauthorized
+ end
+
+ # Uses an MD5 digest based on time to generate a value to be used only once.
+ #
+ # A server-specified data string which should be uniquely generated each time a 401 response is made.
+ # It is recommended that this string be base64 or hexadecimal data.
+ # Specifically, since the string is passed in the header lines as a quoted string, the double-quote character is not allowed.
+ #
+ # The contents of the nonce are implementation dependent.
+ # The quality of the implementation depends on a good choice.
+ # A nonce might, for example, be constructed as the base 64 encoding of
+ #
+ # => time-stamp H(time-stamp ":" ETag ":" private-key)
+ #
+ # where time-stamp is a server-generated time or other non-repeating value,
+ # ETag is the value of the HTTP ETag header associated with the requested entity,
+ # and private-key is data known only to the server.
+ # With a nonce of this form a server would recalculate the hash portion after receiving the client authentication header and
+ # reject the request if it did not match the nonce from that header or
+ # if the time-stamp value is not recent enough. In this way the server can limit the time of the nonce's validity.
+ # The inclusion of the ETag prevents a replay request for an updated version of the resource.
+ # (Note: including the IP address of the client in the nonce would appear to offer the server the ability
+ # to limit the reuse of the nonce to the same client that originally got it.
+ # However, that would break proxy farms, where requests from a single user often go through different proxies in the farm.
+ # Also, IP address spoofing is not that hard.)
+ #
+ # An implementation might choose not to accept a previously used nonce or a previously used digest, in order to
+ # protect against a replay attack. Or, an implementation might choose to use one-time nonces or digests for
+ # POST or PUT requests and a time-stamp for GET requests. For more details on the issues involved see Section 4
+ # of this document.
+ #
+ # The nonce is opaque to the client.
+ def nonce(request, time = Time.now)
+ session_id = request.is_a?(String) ? request : request.session.session_id
+ t = time.to_i
+ hashed = [t, session_id]
+ digest = ::Digest::MD5.hexdigest(hashed.join(":"))
+ Base64.encode64("#{t}:#{digest}").gsub("\n", '')
+ end
+
+ def validate_nonce(request, value)
+ t = Base64.decode64(value).split(":").first.to_i
+ raise Error.new(true), "Stale Nonce" if (t - Time.now.to_i).abs > 10 * 60
+ n = nonce(request, t)
+ raise Error.new(true, value, n), "Bad Nonce" unless n == value
+ end
+
+ # Opaque based on digest of session_id
+ def opaque(request)
+ session_id = request.is_a?(String) ? request : request.session.session_id
+ @opaque ||= Base64.encode64(::Digest::MD5::hexdigest(session_id)).gsub("\n", '')
+ end
+ end
+
+ class Error < RuntimeError
+ attr_accessor :expected, :was
+ def initialize(fatal = false, expected = nil, was = nil)
+ @fatal = fatal
+ @expected = expected
+ @was = was
+ end
+
+ def fatal?; @fatal; end
+ end
end
end
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82 actionpack/lib/action_controller/integration.rb
@@ -68,6 +68,15 @@ class Session
# A running counter of the number of requests processed.
attr_accessor :request_count
+ # Nonce value for Digest Authentication, implicitly set on response with WWW-Authentication
+ attr_accessor :nonce
+
+ # Opaque value for Digest Authentication, implicitly set on response with WWW-Authentication
+ attr_accessor :opaque
+
+ # Opaque value for Authentication, implicitly set on response with WWW-Authentication
+ attr_accessor :realm
+
class MultiPartNeededException < Exception
end
@@ -243,6 +252,53 @@ def xml_http_request(request_method, path, parameters = nil, headers = nil)
end
alias xhr :xml_http_request
+ def request_with_noauth(http_method, uri, parameters, headers)
+ process_with_auth http_method, uri, parameters, headers
+ end
+
+ # Performs a request with the given http_method and parameters, including HTTP Basic authorization headers.
+ # See get() for more details on paramters and headers.
+ #
+ # You can perform GET, POST, PUT, DELETE, and HEAD requests with #get_with_basic, #post_with_basic,
+ # #put_with_basic, #delete_with_basic, and #head_with_basic.
+ def request_with_basic(http_method, uri, parameters, headers, user_name, password)
+ process_with_auth http_method, uri, parameters, headers.merge(:authorization => ActionController::HttpAuthentication::Basic.encode_credentials(user_name, password))
+ end
+
+ # Performs a request with the given http_method and parameters, including HTTP Digest authorization headers.
+ # See get() for more details on paramters and headers.
+ #
+ # You can perform GET, POST, PUT, DELETE, and HEAD requests with #get_with_digest, #post_with_digest,
+ # #put_with_digest, #delete_with_digest, and #head_with_digest.
+ def request_with_digest(http_method, uri, parameters, headers, user_name, password)
+ # Realm, Nonce, and Opaque taken from previoius 401 response
+
+ credentials = {
+ :username => user_name,
+ :realm => @realm,
+ :nonce => @nonce,
+ :qop => "auth",
+ :nc => "00000001",
+ :cnonce => "0a4f113b",
+ :opaque => @opaque,
+ :uri => uri
+ }
+
+ raise "Digest request without previous 401 response" if @opaque.nil?
+
+ process_with_auth http_method, uri, parameters, headers.merge(:authorization => ActionController::HttpAuthentication::Digest.encode_credentials(http_method, credentials, password))
+ end
+
+ # def get_with_basic, def post_with_basic, def put_with_basic, def delete_with_basic, def head_with_basic
+ # def get_with_digest, def post_with_digest, def put_with_digest, def delete_with_digest, def head_with_digest
+ [:get, :post, :put, :delete, :head].each do |method|
+ [:noauth, :basic, :digest].each do |auth_type|
+ define_method("#{method}_with_#{auth_type}") do |uri, parameters, headers, *auth|
+ send("request_with_#{auth_type}", method, uri, parameters, headers, *auth)
+ end
+ end
+ end
+
# Returns the URL for the given options, according to the rules specified
# in the application's routes.
def url_for(options)
@@ -364,6 +420,32 @@ def process(method, path, parameters = nil, headers = nil)
return status
end
+ # Same as process, but handles authentication returns to perform
+ # Basic or Digest authentication
+ def process_with_auth(method, path, parameters = nil, headers = nil)
+ status = process(method, path, parameters, headers)
+
+ if status == 401
+ # Extract authentication information from response
+ auth_data = @response.headers['WWW-Authenticate']
+ if /^Basic /.match(auth_data)
+ # extract realm, to be used in subsequent request
+ @realm = auth_header.split(' ')[1]
+ elsif /^Digest/.match(auth_data)
+ creds = auth_data.to_s.gsub(/^Digest\s+/,'').split(',').inject({}) do |hash, pair|
+ key, value = pair.split('=', 2)
+ hash[key.strip.to_sym] = value.to_s.gsub(/^"|"$/,'').gsub(/'/, '')
+ hash
+ end
+ @realm = creds[:realm]
+ @nonce = creds[:nonce]
+ @opaque = creds[:opaque]
+ end
+ end
+
+ return status
+ end
+
# Encode the cookies hash in a format suitable for passing to a
# request.
def encode_cookies
View
73 actionpack/test/controller/http_digest_authentication_test.rb
@@ -0,0 +1,73 @@
+require 'abstract_unit'
+
+class HttpDigestAuthenticationTest < Test::Unit::TestCase
+ include ActionController::HttpAuthentication::Digest
+
+ class DummyController
+ attr_accessor :headers, :renders, :request, :response
+
+ def initialize
+ @headers, @renders = {}, []
+ @request = ActionController::TestRequest.new
+ @response = ActionController::TestResponse.new
+ request.session.session_id = "test_session"
+ end
+
+ def render(options)
+ self.renderers << options
+ end
+ end
+
+ def setup
+ @controller = DummyController.new
+ @credentials = {
+ :username => "dhh",
+ :realm => "testrealm@host.com",
+ :nonce => ActionController::HttpAuthentication::Digest.nonce(@controller.request),
+ :qop => "auth",
+ :nc => "00000001",
+ :cnonce => "0a4f113b",
+ :opaque => ActionController::HttpAuthentication::Digest.opaque(@controller.request),
+ :uri => "http://test.host/"
+ }
+ @encoded_credentials = ActionController::HttpAuthentication::Digest.encode_credentials("GET", @credentials, "secret")
+ end
+
+ def test_decode_credentials
+ set_headers
+ assert_equal @credentials, decode_credentials(@controller.request)
+ end
+
+ def test_nonce_format
+ assert_nothing_thrown do
+ validate_nonce(@controller.request, nonce(@controller.request))
+ end
+ end
+
+ def test_authenticate_should_raise_for_nil_password
+ set_headers ActionController::HttpAuthentication::Digest.encode_credentials(:get, @credentials, nil)
+ assert_raise ActionController::HttpAuthentication::Error do
+ authenticate(@controller, @credentials[:realm]) { |user| user == "dhh" && "secret" }
+ end
+ end
+
+ def test_authenticate_should_raise_for_incorrect_password
+ set_headers
+ assert_raise ActionController::HttpAuthentication::Error do
+ authenticate(@controller, @credentials[:realm]) { |user| user == "dhh" && "bad password" }
+ end
+ end
+
+ def test_authenticate_should_not_raise_for_correct_password
+ set_headers
+ assert_nothing_thrown do
+ authenticate(@controller, @credentials[:realm]) { |user| user == "dhh" && "secret" }
+ end
+ end
+
+ private
+ def set_headers(value = @encoded_credentials, name = 'HTTP_AUTHORIZATION', method = "GET")
+ @controller.request.env[name] = value
+ @controller.request.env["REQUEST_METHOD"] = method
+ end
+end
View
88 actionpack/test/controller/integration_test.rb
@@ -8,7 +8,25 @@ class SessionTest < Test::Unit::TestCase
}
def setup
+ @credentials = {
+ :username => "username",
+ :realm => "MyApp",
+ :nonce => ActionController::HttpAuthentication::Digest.nonce("session_id"),
+ :qop => "auth",
+ :nc => "00000001",
+ :cnonce => "0a4f113b",
+ :opaque => ActionController::HttpAuthentication::Digest.opaque("session_id"),
+ :uri => "/index"
+ }
+
@session = ActionController::Integration::Session.new(StubApp)
+ @session.nonce = @credentials[:nonce]
+ @session.opaque = @credentials[:opaque]
+ @session.realm = @credentials[:realm]
+ end
+
+ def encoded_credentials(method)
+ ActionController::HttpAuthentication::Digest.encode_credentials(method, @credentials, "password")
end
def test_https_bang_works_and_sets_truth_by_default
@@ -132,6 +150,76 @@ def test_head
@session.head(path,params,headers)
end
+ def test_get_with_basic
+ path = "/index"; params = "blah"; headers = {:location => 'blah'}
+ expected_headers = headers.merge(:authorization => "Basic dXNlcm5hbWU6cGFzc3dvcmQ=\n")
+ @session.expects(:process).with(:get,path,params,expected_headers)
+ @session.get_with_basic(path,params,headers,'username','password')
+ end
+
+ def test_post_with_basic
+ path = "/index"; params = "blah"; headers = {:location => 'blah'}
+ expected_headers = headers.merge(:authorization => "Basic dXNlcm5hbWU6cGFzc3dvcmQ=\n")
+ @session.expects(:process).with(:post,path,params,expected_headers)
+ @session.post_with_basic(path,params,headers,'username','password')
+ end
+
+ def test_put_with_basic
+ path = "/index"; params = "blah"; headers = {:location => 'blah'}
+ expected_headers = headers.merge(:authorization => "Basic dXNlcm5hbWU6cGFzc3dvcmQ=\n")
+ @session.expects(:process).with(:put,path,params,expected_headers)
+ @session.put_with_basic(path,params,headers,'username','password')
+ end
+
+ def test_delete_with_basic
+ path = "/index"; params = "blah"; headers = {:location => 'blah'}
+ expected_headers = headers.merge(:authorization => "Basic dXNlcm5hbWU6cGFzc3dvcmQ=\n")
+ @session.expects(:process).with(:delete,path,params,expected_headers)
+ @session.delete_with_basic(path,params,headers,'username','password')
+ end
+
+ def test_head_with_basic
+ path = "/index"; params = "blah"; headers = {:location => 'blah'}
+ expected_headers = headers.merge(:authorization => "Basic dXNlcm5hbWU6cGFzc3dvcmQ=\n")
+ @session.expects(:process).with(:head,path,params,expected_headers)
+ @session.head_with_basic(path,params,headers,'username','password')
+ end
+
+ def test_get_with_digest
+ path = "/index"; params = "blah"; headers = {:location => 'blah'}
+ expected_headers = headers.merge(:authorization => encoded_credentials(:get))
+ @session.expects(:process).with(:get,path,params,expected_headers)
+ @session.get_with_digest(path,params,headers,'username','password')
+ end
+
+ def test_post_with_digest
+ path = "/index"; params = "blah"; headers = {:location => 'blah'}
+ expected_headers = headers.merge(:authorization => encoded_credentials(:post))
+ @session.expects(:process).with(:post,path,params,expected_headers)
+ @session.post_with_digest(path,params,headers,'username','password')
+ end
+
+ def test_put_with_digest
+ path = "/index"; params = "blah"; headers = {:location => 'blah'}
+ expected_headers = headers.merge(:authorization => encoded_credentials(:put))
+ @session.expects(:process).with(:put,path,params,expected_headers)
+ @session.put_with_digest(path,params,headers,'username','password')
+ end
+
+ def test_delete_with_digest
+ path = "/index"; params = "blah"; headers = {:location => 'blah'}
+ expected_headers = headers.merge(:authorization => encoded_credentials(:delete))
+ @session.expects(:process).with(:delete,path,params,expected_headers)
+ @session.delete_with_digest(path,params,headers,'username','password')
+ end
+
+ def test_head_with_digest
+ path = "/index"; params = "blah"; headers = {:location => 'blah'}
+ expected_headers = headers.merge(:authorization => encoded_credentials(:head))
+ @session.expects(:process).with(:head,path,params,expected_headers)
+ @session.head_with_digest(path,params,headers,'username','password')
+ end
+
def test_xml_http_request_get
path = "/index"; params = "blah"; headers = {:location => 'blah'}
headers_after_xhr = headers.merge(
View
9 activesupport/lib/active_support/callbacks.rb
@@ -192,13 +192,8 @@ def evaluate_method(method, *args, &block)
end
def should_run_callback?(*args)
- if options[:if]
- evaluate_method(options[:if], *args)
- elsif options[:unless]
- !evaluate_method(options[:unless], *args)
- else
- true
- end
+ [options[:if]].flatten.compact.all? { |a| evaluate_method(a, *args) } &&
+ ![options[:unless]].flatten.compact.any? { |a| evaluate_method(a, *args) }
end
end
View
42 activesupport/test/callbacks_test.rb
@@ -53,10 +53,41 @@ def save
end
class ConditionalPerson < Record
+ # proc
before_save Proc.new { |r| r.history << [:before_save, :proc] }, :if => Proc.new { |r| true }
before_save Proc.new { |r| r.history << "b00m" }, :if => Proc.new { |r| false }
before_save Proc.new { |r| r.history << [:before_save, :proc] }, :unless => Proc.new { |r| false }
before_save Proc.new { |r| r.history << "b00m" }, :unless => Proc.new { |r| true }
+ # symbol
+ before_save Proc.new { |r| r.history << [:before_save, :symbol] }, :if => :yes
+ before_save Proc.new { |r| r.history << "b00m" }, :if => :no
+ before_save Proc.new { |r| r.history << [:before_save, :symbol] }, :unless => :no
+ before_save Proc.new { |r| r.history << "b00m" }, :unless => :yes
+ # string
+ before_save Proc.new { |r| r.history << [:before_save, :string] }, :if => 'yes'
+ before_save Proc.new { |r| r.history << "b00m" }, :if => 'no'
+ before_save Proc.new { |r| r.history << [:before_save, :string] }, :unless => 'no'
+ before_save Proc.new { |r| r.history << "b00m" }, :unless => 'yes'
+ # Array with conditions
+ before_save Proc.new { |r| r.history << [:before_save, :symbol_array] }, :if => [:yes, :other_yes]
+ before_save Proc.new { |r| r.history << "b00m" }, :if => [:yes, :no]
+ before_save Proc.new { |r| r.history << [:before_save, :symbol_array] }, :unless => [:no, :other_no]
+ before_save Proc.new { |r| r.history << "b00m" }, :unless => [:yes, :no]
+ # Combined if and unless
+ before_save Proc.new { |r| r.history << [:before_save, :combined_symbol] }, :if => :yes, :unless => :no
+ before_save Proc.new { |r| r.history << "b00m" }, :if => :yes, :unless => :yes
+ # Array with different types of conditions
+ before_save Proc.new { |r| r.history << [:before_save, :symbol_proc_string_array] }, :if => [:yes, Proc.new { |r| true }, 'yes']
+ before_save Proc.new { |r| r.history << "b00m" }, :if => [:yes, Proc.new { |r| true }, 'no']
+ # Array with different types of conditions comibned if and unless
+ before_save Proc.new { |r| r.history << [:before_save, :combined_symbol_proc_string_array] },
+ :if => [:yes, Proc.new { |r| true }, 'yes'], :unless => [:no, 'no']
+ before_save Proc.new { |r| r.history << "b00m" }, :if => [:yes, Proc.new { |r| true }, 'no'], :unless => [:no, 'no']
+
+ def yes; true; end
+ def other_yes; true; end
+ def no; false; end
+ def other_no; false; end
def save
run_callbacks(:before_save)
@@ -90,7 +121,16 @@ def test_save_conditional_person
person.save
assert_equal [
[:before_save, :proc],
- [:before_save, :proc]
+ [:before_save, :proc],
+ [:before_save, :symbol],
+ [:before_save, :symbol],
+ [:before_save, :string],
+ [:before_save, :string],
+ [:before_save, :symbol_array],
+ [:before_save, :symbol_array],
+ [:before_save, :combined_symbol],
+ [:before_save, :symbol_proc_string_array],
+ [:before_save, :combined_symbol_proc_string_array]
], person.history
end
end
View
2 railties/lib/rails_generator/commands.rb
@@ -294,7 +294,7 @@ def template(relative_source, relative_destination, template_options = {})
file(relative_source, relative_destination, template_options) do |file|
# Evaluate any assignments in a temporary, throwaway binding.
vars = template_options[:assigns] || {}
- b = binding
+ b = template_options[:binding] || binding
vars.each { |k,v| eval "#{k} = vars[:#{k}] || vars['#{k}']", b }
# Render the source file with the temporary binding.

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