ruby-core

Issue #8352 has been updated by duerst (Martin D端rst).


knu (Akinori MUSHA) wrote:

> I presume there are few programmers who would rely on the current behavior.

I agree that there should be few programmers who would rely on subsequent slashes to be collapsed to a single slash. However, I also think it's a bad idea for programmers or users to rely on multiple consecutive slashes to be preserved. Using multiple consecutive slashes in an URI is a bad idea.

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Bug #8352: URI squeezes a sequence of slashes in merging paths when it shouldn't
https://bugs.ruby-lang.org/issues/8352#change-67889

* Author: knu (Akinori MUSHA)
* Status: Open
* Priority: Normal
* Assignee: akira (akira yamada)
* Target version: 
* ruby -v: ruby 2.1.0dev (2013-05-01 trunk 40540) [x86_64-freebsd9]
* Backport: 
----------------------------------------
RFC 2396 (on which the library currently is based) or RFC 3986 says nothing about a sequence of slashes in the path part except for parsing rules when a URI (path) starts with two slashes.

It should be perfectly valid to have a slash right after another, and there is no reason to "normalize" a sequence of slashes into a single slash, which uri actually does in merging paths:

~~~
URI.parse('http://example.com/foo//bar/')+'.'
=> #<URI::HTTP:0x0000080303d2b0 URL:http://example.com/foo/bar/>
~~~

Fixing this may be as easy as changing the regexp in URI::Generic#split_path from %r{/+} to %r{/}, but I wonder how the impact of incompatibility it may introduce would be.



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