Michael Kuredjian created HTTPCLIENT-2012:
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Summary: URIBuilder#setPathSegments Doesn't URL-encode Reserved
Characters
Key: HTTPCLIENT-2012
URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2012
Project: HttpComponents HttpClient
Issue Type: Bug
Components: HttpClient (classic)
Affects Versions: 4.5.9
Reporter: Michael Kuredjian
I found this bug while debugging a failing WireMock test, but the gist is as
follows:
Generate a request which has reserved, but encoded, characters in the path, for
example:
`http://localhost:8080/api/1234%3A1a2b3c/action`
This request will be properly encoded when being sent to HTTPClient via
Spring's resttemplate. Since request normalization is enabled by default, the
request URI is torn down and re-constructed; however, when expanding the path
segments, the `%3A` is decoded to a colon `:`, and when the path segments are
reconstituted via #setPathSegments, the reserved character isn't re-encoded,
resulting in an improperly formatted outbound request.
I believe this can be mitigated via disabling normalization in the request
context; however, it's a nasty surprise.
The offending lines appear to be 219-228 in URIUtils.java for version 4.5.9
(version I tested with).
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