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* reverseproxy: Add `handle_response` blocks to `reverse_proxy` (#3710)
* reverseproxy: complete handle_response test
* reverseproxy: Change handle_response matchers to use named matchers
reverseproxy: Add support for changing status code
* fastcgi: Remove obsolete TODO
We already have d.Err("transport already specified") in the reverse_proxy parsing code which covers this case
* reverseproxy: Fix support for "4xx" type status codes
* Apply suggestions from code review
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
* caddyhttp: Reorganize response matchers
* reverseproxy: Reintroduce caddyfile.Unmarshaler
* reverseproxy: Add comment mentioning Finalize should be called
Co-authored-by: Maxime Soulé <btik-git@scoubidou.com>
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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Below is the report using `benchstat` and cmd:
`go test -run=BenchmarkHeaderREMatcher -bench=BenchmarkHeaderREMatcher -benchmem -count=10`
```
name old time/op new time/op delta
HeaderREMatcher-16 869ns ± 1% 658ns ± 0% -24.29% (p=0.000 n=10+10)
name old alloc/op new alloc/op delta
HeaderREMatcher-16 144B ± 0% 112B ± 0% -22.22% (p=0.000 n=10+10)
name old allocs/op new allocs/op delta
HeaderREMatcher-16 7.00 ± 0% 5.00 ± 0% -28.57% (p=0.000 n=10+10)
```
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The remote_ip matcher was reading the X-Forwarded-For header by default, but this behavior was not documented in anything that was released. This is also a less secure default, as it is trivially easy to spoof request headers. Reading IPs from that header should be optional, and it should not be the default.
This is technically a breaking change, but anyone relying on the undocumented behavior was just doing so by coincidence/luck up to this point since it was never in any released documentation. We'll still add a mention in the release notes about this.
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https://caddy.community/t/remote-ip-behaviour/10762?u=matt
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* add integration test for null header matcher
* implement null header matcher syntax
* avoid repeating magic !
* check for field following ! character
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Uncovered in #3807
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Also, turns out that `Add` on headers will work even if there's nothing there yet, so we can remove the condition I introduced in #3832
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* caddyfile: support vars and vars_regexp matchers in the caddyfile
* caddyfile: matchers: Brian Kernighan said printf is good debugging tool but didn't say keep them around
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Caddyfile syntax: query ""
Or a nil matcher in the JSON should also match an empty query string.
See https://caddy.community/t/v2-match-empty-query/8708?u=matt
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This allows response matchers to benefit from the same matching logic
as the request header matchers (mainly prefix/suffix wildcards).
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* caddyhttp: Support single-line not matcher shortcut
* caddyhttp: Some tests, I guess
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See https://caddy.community/t/v2-matcher-or-in-not/7355/
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This is more congruent with its module name. A change that affects only
code, not configurations.
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* reverse_proxy: Begin SRV lookup support (WIP)
* reverse_proxy: Finish adding support for SRV-based backends (#3179)
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* caddyhttp: Implement CEL matcher (see #3051)
CEL (Common Expression Language) is a very fast, flexible way to express
complex logic, useful for matching requests when the conditions are not
easy to express with JSON.
This matcher may be considered experimental even after the 2.0 release.
* Improve CEL module docs
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Simply allows the matcher to be specified multiple times in a set
which may be more convenient than one long line.
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* Fix typo
* Fix typo, thanks for Spell Checker under VS Code
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* Fix crash when specifying "*" to header directive.
Fixes #3060
* Look Host header in header and header_regexp.
Also, if more than one header is provided, header_regexp now looks for
extra headers values to reflect the behavior from header.
Fixes #3059
* Fix parsing of named header_regexp in Caddyfile.
See #3059
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Now multiple instances of the same matcher can be used within a named
matcher without overwriting previous ones.
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This is temporary as we prepare for a stable v2 release. We don't want
to make promises we don't know we can keep, and the Starlark integration
deserves much more focused attention which resources and funding do not
currently permit. When the project is financially stable, I will be able
to revisit this properly and add flexible, robust Starlark scripting
support to Caddy 2.
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* http: path matcher: exact match by default; substring matches (#2959)
This is a breaking change.
* caddyfile: Change "matcher" directive to "@matcher" syntax (#2959)
* cmd: Assume caddyfile adapter for config files named Caddyfile
* Sub-sort handlers by path matcher length (#2959)
Caddyfile-generated subroutes have handlers, which are sorted first by
directive order (this is unchanged), but within directives we now sort
by specificity of path matcher in descending order (longest path first,
assuming that longest path is most specific).
This only applies if there is only one matcher set, and the path
matcher in that set has only one path in it. Path matchers with two or
more paths are not sorted like this; and routes with more than one
matcher set are not sorted like this either, since specificity is
difficult or impossible to infer correctly.
This is a special case, but definitely a very common one, as a lot of
routing decisions are based on paths.
* caddyfile: New 'route' directive for appearance-order handling (#2959)
* caddyfile: Make rewrite directives mutually exclusive (#2959)
This applies only to rewrites in the top-level subroute created by the
HTTP caddyfile.
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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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(Try saying "patch path match" ten times fast)
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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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* fixes query matcher parsing
* return correct argument error when parsing query matcher
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Adds tests for both the path matcher and host matcher for case
insensitivity.
If case sensitivity is required for the path, a regexp matcher can
be used instead.
This is the v2 equivalent fix of PR #2882.
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* Replace global placeholders in host matcher
* caddyhttp: Fix panic on MatchHost tests
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* fastcgi: Implement / redirect for index.php with php_fastcgi directive
See #2752 and https://caddy.community/t/v2-redirect-path-to-path-index-php-with-assets/6196?u=matt
* caddyhttp: MatchNegate implements json.Marshaler
* fastcgi: Add /index.php element to try_files matcher
* fastcgi: Make /index.php redirect permanent
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