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author | Joshua Peek <josh@joshpeek.com> | 2009-01-27 18:54:01 -0600 |
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committer | Joshua Peek <josh@joshpeek.com> | 2009-01-27 18:54:01 -0600 |
commit | 319ae4628f4e0058de3e40e4ca7791b17e45e70c (patch) | |
tree | e5da1bfe6dd69a9cf483c9ff9fd18c5bfdd2f463 /actionpack/lib/action_dispatch/middleware/params_parser.rb | |
parent | a0f2b1d95d3785de92ae271fd7ea23e91c0cadc6 (diff) | |
download | rails-319ae4628f4e0058de3e40e4ca7791b17e45e70c.tar.gz rails-319ae4628f4e0058de3e40e4ca7791b17e45e70c.tar.bz2 rails-319ae4628f4e0058de3e40e4ca7791b17e45e70c.zip |
Move HTTP libs and middleware into ActionDispatch component
Diffstat (limited to 'actionpack/lib/action_dispatch/middleware/params_parser.rb')
-rw-r--r-- | actionpack/lib/action_dispatch/middleware/params_parser.rb | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/params_parser.rb b/actionpack/lib/action_dispatch/middleware/params_parser.rb new file mode 100644 index 0000000000..6df572268c --- /dev/null +++ b/actionpack/lib/action_dispatch/middleware/params_parser.rb @@ -0,0 +1,71 @@ +module ActionDispatch + class ParamsParser + ActionController::Base.param_parsers[Mime::XML] = :xml_simple + ActionController::Base.param_parsers[Mime::JSON] = :json + + def initialize(app) + @app = app + end + + def call(env) + if params = parse_formatted_parameters(env) + env["action_controller.request.request_parameters"] = params + end + + @app.call(env) + end + + private + def parse_formatted_parameters(env) + request = Request.new(env) + + return false if request.content_length.zero? + + mime_type = content_type_from_legacy_post_data_format_header(env) || request.content_type + strategy = ActionController::Base.param_parsers[mime_type] + + return false unless strategy + + case strategy + when Proc + strategy.call(request.raw_post) + when :xml_simple, :xml_node + body = request.raw_post + body.blank? ? {} : Hash.from_xml(body).with_indifferent_access + when :yaml + YAML.load(request.raw_post) + when :json + body = request.raw_post + if body.blank? + {} + else + data = ActiveSupport::JSON.decode(body) + data = {:_json => data} unless data.is_a?(Hash) + data.with_indifferent_access + end + else + false + end + rescue Exception => e # YAML, XML or Ruby code block errors + raise + { "body" => request.raw_post, + "content_type" => request.content_type, + "content_length" => request.content_length, + "exception" => "#{e.message} (#{e.class})", + "backtrace" => e.backtrace } + end + + def content_type_from_legacy_post_data_format_header(env) + if x_post_format = env['HTTP_X_POST_DATA_FORMAT'] + case x_post_format.to_s.downcase + when 'yaml' + return Mime::YAML + when 'xml' + return Mime::XML + end + end + + nil + end + end +end |