caddyhttp: Fix MatchPath
sanitizing
#4499
Merged
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This is a followup to #4407, in response to a report on the forums: https://caddy.community/t/php-fastcgi-phishing-redirection/14542
Turns out that doing
TrimRight
to remove trailing dots, before cleaning the path, will cause double-dots at the end of the path to not be cleaned away as they should. We should instead remove the dots after cleaning.