ruby-on-rails-3 – Rails / Rack:“ArgumentError:invalid%-encoding”for POST data

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我们在rails站点上的 ruby有一个URI,我们的合作伙伴之一将 XML数据发送到.

由于我们不想处理XML,所以我们只是将原始数据填充到数据库列中,而不用进行处理.

然而,我们收到的其中一个帖子给我们这个错误在airbrake:

ArgumentError: invalid %-encoding ("http://ns.hr-xml.org/2004-08-02" 
userId="" password=""><BackgroundReportPackage type="report">
<ProviderReferenceId>....

与追溯:

vendor/ruby-1.9.3/lib/ruby/1.9.1/uri/common.rb:898:in `decode_www_form_component'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/utils.rb:41:in `unescape'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/utils.rb:94:in `block (2 levels) in parse_nested_query'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/utils.rb:94:in `map'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/utils.rb:94:in `block in parse_nested_query'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/utils.rb:93:in `each'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/utils.rb:93:in `parse_nested_query'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/request.rb:332:in `parse_query'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/request.rb:209:in `POST'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/methodoverride.rb:26:in `method_override'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/methodoverride.rb:14:in `call'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/runtime.rb:17:in `call'
vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.13/lib/active_support/cache/strategy/local_cache.rb:72:in `call'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/lock.rb:15:in `call'
vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.13/lib/action_dispatch/middleware/static.rb:63:in `call'
vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:136:in `forward'
vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:143:in `pass'
vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:155:in `invalidate'
vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:71:in `call!'
vendor/bundle/ruby/1.9.1/gems/rack-cache-1.2/lib/rack/cache/context.rb:51:in `call'
vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/engine.rb:479:in `call'
vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/application.rb:223:in `call'
vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/railtie/configurable.rb:30:in `method_missing'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/deflater.rb:13:in `call'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/content_length.rb:14:in `call'
vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/rack/log_tailer.rb:17:in `call'
vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/connection.rb:80:in `block in pre_process'
vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/connection.rb:78:in `catch'
vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/connection.rb:78:in `pre_process'
vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/connection.rb:53:in `process'
vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/connection.rb:38:in `receive_data'
vendor/bundle/ruby/1.9.1/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run_machine'
vendor/bundle/ruby/1.9.1/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run'
vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/backends/base.rb:63:in `start'
vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/server.rb:159:in `start'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/handler/thin.rb:13:in `run'
vendor/bundle/ruby/1.9.1/gems/rack-1.4.5/lib/rack/server.rb:268:in `start'
vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/commands/server.rb:70:in `start'
vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/commands.rb:55:in `block in <top (required)>'
vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/commands.rb:50:in `tap'
vendor/bundle/ruby/1.9.1/gems/railties-3.2.13/lib/rails/commands.rb:50:in `<top (required)>'
script/rails:6:in `require'
script/rails:6:in `<main>'

问题是POST包含数据:

<ChargeOrComplaint>DRIVE WHILE BLOOD ALCOHOL LEVEL IS 0.08% OR MORE</ChargeOrComplaint>

大概这是有效的XML,但是在0.08%的结束时,赤裸裸的%会导致错误,因为它是通过HTTP来的,我猜架子希望它是URL编码的.

回溯表示这是发生在它甚至得到我们的代码之前,所以我不认为它与处理它有什么关系.

我的问题,然后:

1)问题在哪里? Ruby 1.9.3的执行decode_www_form_component(在堆栈跟踪的顶部)?架?我们的合作伙伴的POST数据或标题?我们处理POST?

2)通过HTTP发布的XML数据是否需要进行URL编码?

3)有没有一个标题,这个POST需要有机架解释它正确? (即:它是XML二进制数据,而不是URL编码).

4)如果我不能让我们的合作伙伴改变他们发布的内容,我们该如何解决呢?一些Rack中间件?

解决方法

我猜你的合作伙伴可能是把你的数据发给你的“x-www-form-urlencoded”,使得Rack尝试以这种方式解析.如果他们可以改变他们发送的内容,我怀疑他们的内容类型“text / xml”会解决这个问题.

如果你不能让他们改变他们发送的内容,那么是的,我想你必须使用Rack中间件(或monkeypatching).虽然你可以嘲笑机架来源,也许有一个设置,以避免做任何解析.

原文链接:https://www.f2er.com/ruby/266321.html

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