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From reading through the code, I think this code path is now obsoleted by the changes made in https://github.com/caddyserver/caddy/pull/4266.
Basically, `h.flushInterval()` will set the flush interval to `-1` if we're in a bi-directional stream, and the recent PR ensured that `h.copyResponse()` properly flushes headers immediately when the flush interval is non-zero. So now there should be no need to call Flush before calling `h.copyResponse()`.
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Some new users mistakenly try to define two sites without braces around each. Doing this can yield a confusing error message saying that their site address is an "unknown directive".
We can do better by keeping track of whether the current site block was parsed with or without a brace, then changing the error message later based on that.
For example, now this invalid config:
```
foo.example.com
respond "foo"
bar.example.com
respond "bar"
```
Will yield this error message:
```
$ caddy adapt
2021/08/22 19:21:31.028 INFO using adjacent Caddyfile
adapt: Caddyfile:4: unrecognized directive: bar.example.com
Did you mean to define a second site? If so, you must use curly braces around each site to separate their configurations.
```
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Some users forget to use a comma between their site addresses. This is invalid (commas aren't a valid character in domains) and later parts of the code like certificate automation will try to use this otherwise, which doesn't make sense. Best to error as early as possible.
Example thread on the forums where this happened: https://caddy.community/t/simplify-caddyfile/13281/9
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* core: Fix paths when using an env file
* refactor: move path logic to loadFromEnv
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* Update quic-go for go 1.17 support
* Complete quic-go update (go mod tidy)
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See https://github.com/smallstep/nosql/issues/12 for context.
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Implements #3805
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* Synchronize server assignment/references to avoid data race
* only hold lock during var reassignment
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* httpcaddyfile: Add shortcut for proxy hostport placeholder
I've noticed that it's a pretty common pattern to write a proxy like this, when needing to proxy over HTTPS:
```
reverse_proxy https://example.com {
header_up Host {http.reverse_proxy.upstream.hostport}
}
```
I find it pretty hard to remember the exact placeholder to use for this, and I continually need to refer to the docs when I need it. I think a simple fix for this is to add another Caddyfile placeholder for this one to shorten it:
```
reverse_proxy https://example.com {
header_up Host {proxy_hostport}
}
```
* Switch the shortcut name
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I went through the commits that touched stdlib's `reverseproxy.go` file, and copied over all the changes that are to code that was copied into Caddy.
The commits I pulled changes from:
- https://github.com/golang/go/commit/2cc347382f4df3fb40d8d81ec9331f0748b1c394
- https://github.com/golang/go/commit/a5cea062b305c8502bdc959c0eec279dbcd4391f
- https://github.com/golang/go/commit/ecdbffd4ec68b509998792f120868fec319de59b
- https://github.com/golang/go/commit/21898524f66c075d7cfb64a38f17684140e57675
-https://github.com/golang/go/commit/ca3c0df1f8e07337ba4048b191bf905118ebe251
- https://github.com/golang/go/commit/9c017ff30dd21bbdcdb11f39458d3944db530d7e
This may also fix https://github.com/caddyserver/caddy/issues/4247 because of the change to `copyResponse` to set `mlw.flushPending = true` right away.
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* adding package command
* add-package command name
* refactoring duplicate code
* fixed by review
* fixed by review
* remove-package command
* commands in different files, common utils
* fix add, remove, upgrade packages in 1 file
* copyright and downloadPath moved
* refactor
* downloadPath do no export
* adding/removing multiple packages
* addPackages/removePackages, comments, command-desc
* add-package, process case len(args) == 0
Co-authored-by: Francis Lavoie <lavofr@gmail.com>
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* httpcaddyfile: ensure hosts to skip can always be collected
Previously, some hosts that should be skipped in logging would
be missed as the current logic would only collect them after
encountering the first server that would log. This change makes sure
the ServerLogConfig is initialized before iterating over the server
blocks.
* httpcaddyfile: add test case for skip hosts behavior
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* feat: implement a simple timer to pull config
mostly referenced to the issue
re #4106
* Update admin.go
use `caddy.Duration`
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
* Update caddy.go
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
* Update admin.go
Co-authored-by: Francis Lavoie <lavofr@gmail.com>
* fix: sync load config when no pull interval provided
try not to make break change
* fix: change PullInterval to LoadInterval
* fix: change pull_interval to load_interval
* Update caddy.go
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
Co-authored-by: Francis Lavoie <lavofr@gmail.com>
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* caddyfile: Errf enable error chain unwrapping
* refactor: remove parseError
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See https://github.com/caddyserver/caddy/issues/4148#issuecomment-833207811
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Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
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This commit fixes the `sortByNameDirFirst` variable inside fileserver to
match what browse's default template has.
Co-authored-by: Francis Lavoie <lavofr@gmail.com>
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* feat(fileserver): add 'canonical_uris' parameter to caddyfile
add 'canonical_uris' parameter to caddyfile
reference #2741
Signed-off-by: mritd <mritd@linux.com>
* feat(file_server): rename subdirective canonical_uris to disable_canonical_uris
rename subdirective canonical_uris to disable_canonical_uris
Signed-off-by: mritd <mritd@linux.com>
* test(caddyfile_adapt): add disable_canonical_uris subdirective test file
add disable_canonical_uris subdirective test file
Signed-off-by: mritd <mritd@linux.com>
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This makes the server more easily proxied.
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Related to https://github.com/caddyserver/caddy/issues/4205.
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Has been deprecated and printing warnings for about 8 months now.
Replaced by "IssuersRaw" field in v2.3.0.
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If an email is specified in global options, a site called 'localhost' shouldn't be bunched together with public DNS names in the automation policies, which get the default, public-CA issuers. Fix old test that did this.
I also noticed that these two:
localhost {
}
example.com {
}
and
localhost, example.com {
}
produce slightly different TLS automation policies. The former is what the new test case covers, and we have logic that removes the empty automation policy for localhost so that auto-HTTPS can implicitly create one. (We prefer that whenever possible.) But the latter case produces two automation policies, with the second one being for localhost, with an explicit internal issuer. It's not wrong, just more explicit than it needs to be.
I'd really like to completely rewrite the code from scratch that generates automation policies, hopefully there is a simpler, more correct algorithm.
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See https://caddy.community/t/mtls-tls-internal-error/12807
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* Tweak compression settings
zstd: Limit window sizes to 128K to keep memory in control both server and client size.
zstd: Write 0 length frames. This may be needed for compatibility.
zstd: Create fewer encoders. Small memory improvement.
gzip: Allow -2 (Huffman only) and -3 (stateless) compression modes.
* Update modules/caddyhttp/encode/zstd/zstd.go
Update docs.
Co-authored-by: Francis Lavoie <lavofr@gmail.com>
Co-authored-by: Francis Lavoie <lavofr@gmail.com>
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This is the more correct implementation of 23dadc0d86dd75dad7559c25f20c9641bc7bc30f (#4179)... I think. This commit effectively undoes the revert in 8848df9c5d372a559d01512b7a4ef00e38867b55, but with corrections to the logic.
We *do* need to use the original request path (the path the browser knows) for redirects, since they are external, and rewrites are only internal.
However, if the path was rewritten to a non-canonical path, we should not redirect to canonicalize that, since rewrites are intentional by the site owner. Canonicalizing the path involves modifying only the suffix (base element, or filename) of the path. Thus, if a rewrite involves only the prefix (like how handle_path strips a path prefix), then we can (hopefully!) safely redirect using the original URI since the filename was not rewritten.
So basically, if rewrites modify the filename, we should not canonicalize those requests. If rewrites only modify another part of the path (commonly a prefix), we should be OK to redirect.
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The fastcgi changes came from v1 which don't make sense in v2.
Fix comment about default value in reverse proxy keep alive.
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Templates are parsed at request-time (like they are in the templates middleware) to allow live changes to the template while the server is running. Fixes race condition.
Also refactored use of a buffer so a buffer put back in the pool will not continue to be used (written to client) in the meantime.
A couple of benchmarks removed due to refactor, which is fine, since we know pooling helps here.
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Commit 7c68809f4e13a7ac7c9e216a69410e7c1966c1df
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Also split the Caddyfile subdirective keepalive_idle_conns into two properties so the conns and conns_per_host can be set separately.
This is technically a breaking change, but probably anyone who this breaks already had a broken config anyway, and silently fixing it won't help them fix their configs.
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While the Caddy project has had very few valid security bug reports over the years, we have a low signal-to-noise ratio with them (lots of invalid reports). Most are out of scope, and it can take too much valuable time for us to determine that. We would prefer researchers do this first. Hopefully these paragraphs spell out much more clearly what we do and don't accept.
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This reverts commit f9b54454a19e2b070159ce8d2af76d819658244e.
/cc @diamondburned (see #4205)
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* Force auto-renew for OCSP revoked status (maybe) (fix #4191)
* Use latest commit
* go.mod: Use CertMagic v0.14.0 (fix #4191)
Correctly replaces revoked certificates
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In the Caddyfile, hosts specified for HTTP sockets (either scheme is "http" or it is on the HTTP port) should not be used as subjects in TLS automation policies (APs).
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(#4192)
* Added preferred_chains option to Caddyfile
* Caddyfile adapt tests for preferred_chains
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This commit is a follow up to PR #4179 that introduced a bug where
browse redirections to the right URL would not preserve query
parameters.
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* add propagation_timeout to UnmarshalCaddyfile
- Closes #4177
* added caddyfile_adapt test
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This commit changes the file_server directive to redirect using the
original request's URL instead of the possibly trimmed URL. This should
make file_server work with handle_path.
This fix is taken from mholt's comment in
https://caddy.community/t/file-servers-on-different-paths-not-working/11698/11.
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Fixes https://github.com/caddyserver/caddy/issues/4002
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See golang/go#46313
Based on https://github.com/golang/go/commit/950fa11c4cb01a145bb07eeb167d90a1846061b3
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