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* fileserver: Fix `file` matcher with empty `try_files`
Fixes https://github.com/caddyserver/caddy/issues/4146
If `TryFiles` is empty, we fill it with `r.URL.Path`. In this case, this is `/`. Then later, in `prepareFilePath()`, we run the replacer (which turns `{path}` into `/` at that point) but `file` remains the original value (and the placeholder is still the placeholder there).
So then `strings.HasSuffix(file, "/")` will be `false` for the placeholder, but `true` for the empty `TryFiles` codepath, because `file` was `/` due to being set to the actual request value beforehand.
This means that `suffix` becomes `//` in that case, so after `sanitizedPathJoin`, it becomes `./`, so `strictFileExists`'s `strings.HasSuffix(file, separator)` codepath will return true.
I think we should change the `m.TryFiles == nil` codepath to `m.TryFiles = []string{"{http.request.uri.path}"}` for consistency. (And maybe consider hoisting this to `Provision` cause there's no point doing this on every request). I don't think this "optimization" of directly using `r.URL.Path` is so valuable, cause it causes this edgecase with directories.
* Update modules/caddyhttp/fileserver/matcher.go
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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* fastcgi: Set PATH_INFO to file matcher remainder as fallback
* fastcgi: Avoid changing scriptName when not necessary
* Stylistic tweaks
Co-authored-by: Matthew Holt <mholt@users.noreply.github.com>
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* fileserver: Improve and clarify file hiding logic
* Oops, forgot to run integration tests
* Make this one integration test OS-agnostic
* See if this appeases the Windows gods
* D'oh
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* fileserver: Fix try_files for directories, windows fix
* fileserver: Add new file type placeholder, refactoring, tests
* fileserver: Review cleanup
* fileserver: Flip the return args order
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We can't use a positional index on an original string that we got from
its lower-cased equivalent. Implement our own IndexFold() function b/c
the std lib does not have one.
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Previously, matching by trying files other than the actual path of the
URI was:
file {
try_files <files...>
}
Now, the same can be done in one line:
file <files...>
As before, an empty file matcher:
file
still matches if the request URI exists as a file in the site root.
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* matcher: Add `split_path` option to file matcher; used in php_fastcgi
* matcher: Skip try_files split if not the final part of the filename
* matcher: Add MatchFile tests
* matcher: Clarify SplitPath godoc
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* Fix typo
* Fix typo, thanks for Spell Checker under VS Code
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The interface was only making things difficult; a concrete pointer is
probably best.
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These will be used in the new automated documentation system
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This commit goes a long way toward making automated documentation of
Caddy config and Caddy modules possible. It's a broad, sweeping change,
but mostly internal. It allows us to automatically generate docs for all
Caddy modules (including future third-party ones) and make them viewable
on a web page; it also doubles as godoc comments.
As such, this commit makes significant progress in migrating the docs
from our temporary wiki page toward our new website which is still under
construction.
With this change, all host modules will use ctx.LoadModule() and pass in
both the struct pointer and the field name as a string. This allows the
reflect package to read the struct tag from that field so that it can
get the necessary information like the module namespace and the inline
key.
This has the nice side-effect of unifying the code and documentation. It
also simplifies module loading, and handles several variations on field
types for raw module fields (i.e. variations on json.RawMessage, such as
arrays and maps).
I also renamed ModuleInfo.Name -> ModuleInfo.ID, to make it clear that
the ID is the "full name" which includes both the module namespace and
the name. This clarity is helpful when describing module hierarchy.
As of this change, Caddy modules are no longer an experimental design.
I think the architecture is good enough to go forward.
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See: https://stackoverflow.com/a/12518877/1048862
For example, trying to check the existence of "/www/index.php/index.php"
fails but not with an os.IsNotExist()-type error. So we have to assume
that a file that cannot be successfully stat'ed at all does not exist.
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- Rename http.var.* -> http.vars.* to be more consistent
- Prefixing a path matcher with * now invokes simple suffix matching
- Handlers and matchers that need a root path default to {http.vars.root}
- Clean replacer output on the file matcher's file selection suffix
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Use piles from which to draw config values.
Module values can return their name, so now we can do two-way mapping
from value to name and name to value; whereas before we could only map
name to value. This was problematic with the Caddyfile adapter since
it receives values and needs to know the name to put in the config.
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Along with several other changes, such as renaming caddyhttp.ServerRoute
to caddyhttp.Route, exporting some types that were not exported before,
and tweaking the caddytls TLS values to be more consistent.
Notably, we also now disable automatic cert management for names which
already have a cert (manually) loaded into the cache. These names no
longer need to be specified in the "skip_certificates" field of the
automatic HTTPS config, because they will be skipped automatically.
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See https://github.com/golang/go/wiki/Modules#semantic-import-versioning
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Removes the version from the package name
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