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-rw-r--r--actionpack/CHANGELOG.md10
-rw-r--r--actionpack/lib/action_dispatch/http/mime_negotiation.rb9
-rw-r--r--actionpack/lib/action_dispatch/middleware/debug_exceptions.rb105
-rw-r--r--actionpack/test/controller/mime/respond_to_test.rb10
-rw-r--r--actionpack/test/dispatch/debug_exceptions_test.rb69
-rw-r--r--actionpack/test/dispatch/show_exceptions_test.rb16
-rw-r--r--guides/source/api_app.md8
-rw-r--r--railties/CHANGELOG.md9
-rw-r--r--railties/lib/rails/application/configuration.rb69
-rw-r--r--railties/lib/rails/application/default_middleware_stack.rb2
-rw-r--r--railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt1
-rw-r--r--railties/test/application/configuration_test.rb40
12 files changed, 279 insertions, 69 deletions
diff --git a/actionpack/CHANGELOG.md b/actionpack/CHANGELOG.md
index b8563d5076..271a57a7ad 100644
--- a/actionpack/CHANGELOG.md
+++ b/actionpack/CHANGELOG.md
@@ -1,3 +1,13 @@
+* Add a `response_format` option to `ActionDispatch::DebugExceptions`
+ to configure the format of the response when errors occur in
+ development mode.
+
+ If `response_format` is `:default` the debug info will be rendered
+ in an HTML page. In the other hand, if the provided value is `:api`
+ the debug info will be rendered in the original response format.
+
+ *Jorge Bejar*
+
* Change the `protect_from_forgery` prepend default to `false`
Per this comment
diff --git a/actionpack/lib/action_dispatch/http/mime_negotiation.rb b/actionpack/lib/action_dispatch/http/mime_negotiation.rb
index 7acf91902d..0152c17ed4 100644
--- a/actionpack/lib/action_dispatch/http/mime_negotiation.rb
+++ b/actionpack/lib/action_dispatch/http/mime_negotiation.rb
@@ -67,6 +67,8 @@ module ActionDispatch
v = if params_readable
Array(Mime[parameters[:format]])
+ elsif format = format_from_path_extension
+ Array(Mime[format])
elsif use_accept_header && valid_accept_header
accepts
elsif xhr?
@@ -160,6 +162,13 @@ module ActionDispatch
def use_accept_header
!self.class.ignore_accept_header
end
+
+ def format_from_path_extension
+ path = @env['action_dispatch.original_path'] || @env['PATH_INFO']
+ if match = path && path.match(/\.(\w+)\z/)
+ match.captures.first
+ end
+ end
end
end
end
diff --git a/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb b/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb
index 66bb74b9c5..b55c937e0c 100644
--- a/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb
+++ b/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb
@@ -38,9 +38,10 @@ module ActionDispatch
end
end
- def initialize(app, routes_app = nil)
- @app = app
- @routes_app = routes_app
+ def initialize(app, routes_app = nil, response_format = :default)
+ @app = app
+ @routes_app = routes_app
+ @response_format = response_format
end
def call(env)
@@ -66,41 +67,79 @@ module ActionDispatch
log_error(request, wrapper)
if request.get_header('action_dispatch.show_detailed_exceptions')
- traces = wrapper.traces
-
- trace_to_show = 'Application Trace'
- if traces[trace_to_show].empty? && wrapper.rescue_template != 'routing_error'
- trace_to_show = 'Full Trace'
+ case @response_format
+ when :api
+ render_for_api_application(request, wrapper)
+ when :default
+ render_for_default_application(request, wrapper)
end
+ else
+ raise exception
+ end
+ end
- if source_to_show = traces[trace_to_show].first
- source_to_show_id = source_to_show[:id]
- end
+ def render_for_default_application(request, wrapper)
+ template = create_template(request, wrapper)
+ file = "rescues/#{wrapper.rescue_template}"
- template = DebugView.new([RESCUES_TEMPLATE_PATH],
- request: request,
- exception: wrapper.exception,
- traces: traces,
- show_source_idx: source_to_show_id,
- trace_to_show: trace_to_show,
- routes_inspector: routes_inspector(exception),
- source_extracts: wrapper.source_extracts,
- line_number: wrapper.line_number,
- file: wrapper.file
- )
- file = "rescues/#{wrapper.rescue_template}"
-
- if request.xhr?
- body = template.render(template: file, layout: false, formats: [:text])
- format = "text/plain"
- else
- body = template.render(template: file, layout: 'rescues/layout')
- format = "text/html"
- end
- render(wrapper.status_code, body, format)
+ if request.xhr?
+ body = template.render(template: file, layout: false, formats: [:text])
+ format = "text/plain"
else
- raise exception
+ body = template.render(template: file, layout: 'rescues/layout')
+ format = "text/html"
end
+ render(wrapper.status_code, body, format)
+ end
+
+ def render_for_api_application(request, wrapper)
+ body = {
+ status: wrapper.status_code,
+ error: Rack::Utils::HTTP_STATUS_CODES.fetch(
+ wrapper.status_code,
+ Rack::Utils::HTTP_STATUS_CODES[500]
+ ),
+ exception: wrapper.exception.inspect,
+ traces: wrapper.traces
+ }
+
+ content_type = request.formats.first
+ to_format = "to_#{content_type.to_sym}"
+
+ if content_type && body.respond_to?(to_format)
+ formatted_body = body.public_send(to_format)
+ format = content_type
+ else
+ formatted_body = body.to_json
+ format = Mime[:json]
+ end
+
+ render(wrapper.status_code, formatted_body, format)
+ end
+
+ def create_template(request, wrapper)
+ traces = wrapper.traces
+
+ trace_to_show = 'Application Trace'
+ if traces[trace_to_show].empty? && wrapper.rescue_template != 'routing_error'
+ trace_to_show = 'Full Trace'
+ end
+
+ if source_to_show = traces[trace_to_show].first
+ source_to_show_id = source_to_show[:id]
+ end
+
+ DebugView.new([RESCUES_TEMPLATE_PATH],
+ request: request,
+ exception: wrapper.exception,
+ traces: traces,
+ show_source_idx: source_to_show_id,
+ trace_to_show: trace_to_show,
+ routes_inspector: routes_inspector(wrapper.exception),
+ source_extracts: wrapper.source_extracts,
+ line_number: wrapper.line_number,
+ file: wrapper.file
+ )
end
def render(status, body, format)
diff --git a/actionpack/test/controller/mime/respond_to_test.rb b/actionpack/test/controller/mime/respond_to_test.rb
index c025c7fa00..76e2d3ff43 100644
--- a/actionpack/test/controller/mime/respond_to_test.rb
+++ b/actionpack/test/controller/mime/respond_to_test.rb
@@ -661,10 +661,6 @@ class RespondToControllerTest < ActionController::TestCase
end
def test_variant_inline_syntax
- get :variant_inline_syntax, format: :js
- assert_equal "text/javascript", @response.content_type
- assert_equal "js", @response.body
-
get :variant_inline_syntax
assert_equal "text/html", @response.content_type
assert_equal "none", @response.body
@@ -674,6 +670,12 @@ class RespondToControllerTest < ActionController::TestCase
assert_equal "phone", @response.body
end
+ def test_variant_inline_syntax_with_format
+ get :variant_inline_syntax, format: :js
+ assert_equal "text/javascript", @response.content_type
+ assert_equal "js", @response.body
+ end
+
def test_variant_inline_syntax_without_block
get :variant_inline_syntax_without_block, params: { v: :phone }
assert_equal "text/html", @response.content_type
diff --git a/actionpack/test/dispatch/debug_exceptions_test.rb b/actionpack/test/dispatch/debug_exceptions_test.rb
index 30772bd9ed..159bf10545 100644
--- a/actionpack/test/dispatch/debug_exceptions_test.rb
+++ b/actionpack/test/dispatch/debug_exceptions_test.rb
@@ -75,6 +75,13 @@ class DebugExceptionsTest < ActionDispatch::IntegrationTest
end
end
+ class BoomerAPI < Boomer
+ def call(env)
+ env['action_dispatch.show_detailed_exceptions'] = @detailed
+ raise "puke!"
+ end
+ end
+
RoutesApp = Struct.new(:routes).new(SharedTestRoutes)
ProductionApp = ActionDispatch::DebugExceptions.new(Boomer.new(false), RoutesApp)
DevelopmentApp = ActionDispatch::DebugExceptions.new(Boomer.new(true), RoutesApp)
@@ -205,6 +212,68 @@ class DebugExceptionsTest < ActionDispatch::IntegrationTest
assert_match(/ActionController::ParameterMissing/, body)
end
+ test "rescue with json error for API request" do
+ @app = ActionDispatch::DebugExceptions.new(Boomer.new(true), RoutesApp, :api)
+
+ get "/", headers: { 'action_dispatch.show_exceptions' => true }
+ assert_response 500
+ assert_no_match(/<header>/, body)
+ assert_no_match(/<body>/, body)
+ assert_equal "application/json", response.content_type
+ assert_match(/RuntimeError: puke/, body)
+
+ get "/not_found", headers: { 'action_dispatch.show_exceptions' => true }
+ assert_response 404
+ assert_no_match(/<body>/, body)
+ assert_equal "application/json", response.content_type
+ assert_match(/#{AbstractController::ActionNotFound.name}/, body)
+
+ get "/method_not_allowed", headers: { 'action_dispatch.show_exceptions' => true }
+ assert_response 405
+ assert_no_match(/<body>/, body)
+ assert_equal "application/json", response.content_type
+ assert_match(/ActionController::MethodNotAllowed/, body)
+
+ get "/unknown_http_method", headers: { 'action_dispatch.show_exceptions' => true }
+ assert_response 405
+ assert_no_match(/<body>/, body)
+ assert_equal "application/json", response.content_type
+ assert_match(/ActionController::UnknownHttpMethod/, body)
+
+ get "/bad_request", headers: { 'action_dispatch.show_exceptions' => true }
+ assert_response 400
+ assert_no_match(/<body>/, body)
+ assert_equal "application/json", response.content_type
+ assert_match(/ActionController::BadRequest/, body)
+
+ get "/parameter_missing", headers: { 'action_dispatch.show_exceptions' => true }
+ assert_response 400
+ assert_no_match(/<body>/, body)
+ assert_equal "application/json", response.content_type
+ assert_match(/ActionController::ParameterMissing/, body)
+ end
+
+ test "rescue with json on API request returns only allowed formats or json as a fallback" do
+ @app = ActionDispatch::DebugExceptions.new(Boomer.new(true), RoutesApp, :api)
+
+ get "/index.json", headers: { 'action_dispatch.show_exceptions' => true }
+ assert_response 500
+ assert_equal "application/json", response.content_type
+ assert_match(/RuntimeError: puke/, body)
+
+ get "/index.html", headers: { 'action_dispatch.show_exceptions' => true }
+ assert_response 500
+ assert_no_match(/<header>/, body)
+ assert_no_match(/<body>/, body)
+ assert_equal "application/json", response.content_type
+ assert_match(/RuntimeError: puke/, body)
+
+ get "/index.xml", headers: { 'action_dispatch.show_exceptions' => true }
+ assert_response 500
+ assert_equal "application/xml", response.content_type
+ assert_match(/RuntimeError: puke/, body)
+ end
+
test "does not show filtered parameters" do
@app = DevelopmentApp
diff --git a/actionpack/test/dispatch/show_exceptions_test.rb b/actionpack/test/dispatch/show_exceptions_test.rb
index ffdf775836..14894d4b82 100644
--- a/actionpack/test/dispatch/show_exceptions_test.rb
+++ b/actionpack/test/dispatch/show_exceptions_test.rb
@@ -8,7 +8,7 @@ class ShowExceptionsTest < ActionDispatch::IntegrationTest
case req.path
when "/not_found"
raise AbstractController::ActionNotFound
- when "/bad_params"
+ when "/bad_params", "/bad_params.json"
begin
raise StandardError.new
rescue
@@ -120,4 +120,18 @@ class ShowExceptionsTest < ActionDispatch::IntegrationTest
assert_response 405
assert_equal "", body
end
+
+ test "bad params exception is returned in the correct format" do
+ @app = ProductionApp
+
+ get "/bad_params", headers: { 'action_dispatch.show_exceptions' => true }
+ assert_equal "text/html; charset=utf-8", response.headers["Content-Type"]
+ assert_response 400
+ assert_match(/400 error/, body)
+
+ get "/bad_params.json", headers: { 'action_dispatch.show_exceptions' => true }
+ assert_equal "application/json; charset=utf-8", response.headers["Content-Type"]
+ assert_response 400
+ assert_equal("{\"status\":400,\"error\":\"Bad Request\"}", body)
+ end
end
diff --git a/guides/source/api_app.md b/guides/source/api_app.md
index fb3127555e..17695c5db0 100644
--- a/guides/source/api_app.md
+++ b/guides/source/api_app.md
@@ -163,6 +163,14 @@ class definition:
config.api_only = true
```
+Optionally, in `config/environments/development.rb` add the following line
+to render error responses using the API format (JSON by default) when it
+is a local request:
+
+```ruby
+config.debug_exception_response_format = :api
+```
+
Finally, inside `app/controllers/application_controller.rb`, instead of:
```ruby
diff --git a/railties/CHANGELOG.md b/railties/CHANGELOG.md
index e6bee302a3..e5ab31005e 100644
--- a/railties/CHANGELOG.md
+++ b/railties/CHANGELOG.md
@@ -1,3 +1,12 @@
+* `config.debug_exception_response_format` configures the format used
+ in responses when errors occur in development mode.
+
+ Set `config.debug_exception_response_format` to render an HTML page with
+ debug info (using the value `:default`) or render debug info preserving
+ the response format (using the value `:api`).
+
+ *Jorge Bejar*
+
* Fix setting exit status code for rake test tasks. The exit status code
was not set when tests were fired with `rake`. Now, it is being set and it matches
behavior of running tests via `rails` command (`rails test`), so no matter if
diff --git a/railties/lib/rails/application/configuration.rb b/railties/lib/rails/application/configuration.rb
index 91ed835bd6..a5550df0de 100644
--- a/railties/lib/rails/application/configuration.rb
+++ b/railties/lib/rails/application/configuration.rb
@@ -24,35 +24,36 @@ module Rails
def initialize(*)
super
self.encoding = "utf-8"
- @allow_concurrency = nil
- @consider_all_requests_local = false
- @filter_parameters = []
- @filter_redirect = []
- @helpers_paths = []
- @public_file_server = ActiveSupport::OrderedOptions.new
- @public_file_server.enabled = true
- @public_file_server.index_name = "index"
- @force_ssl = false
- @ssl_options = {}
- @session_store = :cookie_store
- @session_options = {}
- @time_zone = "UTC"
- @beginning_of_week = :monday
- @log_level = nil
- @generators = app_generators
- @cache_store = [ :file_store, "#{root}/tmp/cache/" ]
- @railties_order = [:all]
- @relative_url_root = ENV["RAILS_RELATIVE_URL_ROOT"]
- @reload_classes_only_on_change = true
- @file_watcher = file_update_checker
- @exceptions_app = nil
- @autoflush_log = true
- @log_formatter = ActiveSupport::Logger::SimpleFormatter.new
- @eager_load = nil
- @secret_token = nil
- @secret_key_base = nil
- @api_only = false
- @x = Custom.new
+ @allow_concurrency = nil
+ @consider_all_requests_local = false
+ @filter_parameters = []
+ @filter_redirect = []
+ @helpers_paths = []
+ @public_file_server = ActiveSupport::OrderedOptions.new
+ @public_file_server.enabled = true
+ @public_file_server.index_name = "index"
+ @force_ssl = false
+ @ssl_options = {}
+ @session_store = :cookie_store
+ @session_options = {}
+ @time_zone = "UTC"
+ @beginning_of_week = :monday
+ @log_level = nil
+ @generators = app_generators
+ @cache_store = [ :file_store, "#{root}/tmp/cache/" ]
+ @railties_order = [:all]
+ @relative_url_root = ENV["RAILS_RELATIVE_URL_ROOT"]
+ @reload_classes_only_on_change = true
+ @file_watcher = file_update_checker
+ @exceptions_app = nil
+ @autoflush_log = true
+ @log_formatter = ActiveSupport::Logger::SimpleFormatter.new
+ @eager_load = nil
+ @secret_token = nil
+ @secret_key_base = nil
+ @api_only = false
+ @debug_exception_response_format = nil
+ @x = Custom.new
end
def static_cache_control=(value)
@@ -95,6 +96,16 @@ module Rails
def api_only=(value)
@api_only = value
generators.api_only = value
+
+ @debug_exception_response_format ||= :api
+ end
+
+ def debug_exception_response_format
+ @debug_exception_response_format || :default
+ end
+
+ def debug_exception_response_format=(value)
+ @debug_exception_response_format = value
end
def paths
diff --git a/railties/lib/rails/application/default_middleware_stack.rb b/railties/lib/rails/application/default_middleware_stack.rb
index 5cb5bfb8b7..ed6a1f82d3 100644
--- a/railties/lib/rails/application/default_middleware_stack.rb
+++ b/railties/lib/rails/application/default_middleware_stack.rb
@@ -57,7 +57,7 @@ module Rails
# Must come after Rack::MethodOverride to properly log overridden methods
middleware.use ::Rails::Rack::Logger, config.log_tags
middleware.use ::ActionDispatch::ShowExceptions, show_exceptions_app
- middleware.use ::ActionDispatch::DebugExceptions, app
+ middleware.use ::ActionDispatch::DebugExceptions, app, config.debug_exception_response_format
middleware.use ::ActionDispatch::RemoteIp, config.action_dispatch.ip_spoofing_check, config.action_dispatch.trusted_proxies
unless config.cache_classes
diff --git a/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt b/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt
index 4dd20a9d2e..2778dd8247 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt
+++ b/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt
@@ -23,7 +23,6 @@ Rails.application.configure do
config.action_controller.perform_caching = false
config.cache_store = :null_store
end
-
<%- unless options.skip_action_mailer? -%>
# Don't care if the mailer can't send.
diff --git a/railties/test/application/configuration_test.rb b/railties/test/application/configuration_test.rb
index 5f3d1879eb..49f63d5d31 100644
--- a/railties/test/application/configuration_test.rb
+++ b/railties/test/application/configuration_test.rb
@@ -1393,5 +1393,45 @@ module ApplicationTests
assert_equal 'unicorn', Rails.application.config.my_custom_config['key']
end
+
+ test "api_only is false by default" do
+ app 'development'
+ refute Rails.application.config.api_only
+ end
+
+ test "api_only generator config is set when api_only is set" do
+ add_to_config <<-RUBY
+ config.api_only = true
+ RUBY
+ app 'development'
+
+ Rails.application.load_generators
+ assert Rails.configuration.api_only
+ end
+
+ test "debug_exception_response_format is :api by default if only_api is enabled" do
+ add_to_config <<-RUBY
+ config.api_only = true
+ RUBY
+ app 'development'
+
+ assert_equal :api, Rails.configuration.debug_exception_response_format
+ end
+
+ test "debug_exception_response_format can be override" do
+ add_to_config <<-RUBY
+ config.api_only = true
+ RUBY
+
+ app_file 'config/environments/development.rb', <<-RUBY
+ Rails.application.configure do
+ config.debug_exception_response_format = :default
+ end
+ RUBY
+
+ app 'development'
+
+ assert_equal :default, Rails.configuration.debug_exception_response_format
+ end
end
end