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When AutomationPolicy was turned into a pointer, we continued passing
a double pointer to LoadModule, oops.
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This should greatly reduce memory usage at scale. Part of an overall
effort between Caddy 2 and CertMagic to optimize for large numbers of
names.
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We don't load the provider directly, because the lego provider types
aren't designed for JSON configuration and they are not implemented
as Caddy modules (there are some setup steps which a Provision call
would need to do, but they do not have Provision methods, they have
their own constructor functions that we have to wrap).
Instead of loading the challenge providers directly, the modules are
simple wrappers over the challenge providers, to facilitate the JSON
config structure and to provide a consistent experience. This also lets
us swap out the underlying challenge providers transparently if needed;
it acts as a layer of abstraction.
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This ensure that if there are multiple certs that match a particular
ServerName or other parameter, then specifically the one the user
provided in the Caddyfile will be used.
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* v2: housekeeping: update tools
* v2: housekeeping: adhere to US locale in spelling
* v2: housekeeping: simplify code
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It seems silly to have to add a single, empty TLS connection policy to
a server to enable TLS when it's only listening on the HTTPS port. We
now do this for the user as part of automatic HTTPS (thus, it can be
disabled / overridden).
See https://caddy.community/t/v2-catch-all-server-with-automatic-tls/6692/2?u=matt
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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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* logging: Initial implementation
* logging: More encoder formats, better defaults
* logging: Fix repetition bug with FilterEncoder; add more presets
* logging: DiscardWriter; delete or no-op logs that discard their output
* logging: Add http.handlers.log module; enhance Replacer methods
The Replacer interface has new methods to customize how to handle empty
or unrecognized placeholders. Closes #2815.
* logging: Overhaul HTTP logging, fix bugs, improve filtering, etc.
* logging: General cleanup, begin transitioning to using new loggers
* Fixes after merge conflict
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This required a custom rate limiter implementation in CertMagic
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This migrates a feature that was previously reserved for enterprise
users, according to https://github.com/caddyserver/caddy/issues/2786.
Custom certificate selection policies allow advanced control over which
cert is selected when multiple qualify to satisfy a TLS handshake.
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This migrates a feature that was previously reserved for enterprise
users, according to https://github.com/caddyserver/caddy/issues/2786.
TLS session ticket keys are sensitive, so they should be rotated on a
regular basis. Only Caddy does this by default. However, a cluster of
servers that rotate keys without synchronization will lose the benefits
of having sessions in the first place if the client is routed to a
different backend. This module coordinates STEK rotation in a fleet so
the same keys are used, and rotated, across the whole cluster. No other
server does this, but Twitter wrote about how they hacked together a
solution a few years ago:
https://blog.twitter.com/engineering/en_us/a/2013/forward-secrecy-at-twitter.html
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This migrates a feature that was previously reserved for enterprise
users, according to https://github.com/caddyserver/caddy/issues/2786.
The PEM loader allows you to embed PEM files (certificates and keys)
directly into your config, rather than requiring them to be stored on
potentially insecure storage, which adds attack vectors. This is useful
in automated settings where sensitive key material is stored only in
memory.
Note that if the config is persisted to disk, that added benefit may go
away, but there will still be the benefit of having lesser dependence on
external files.
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Making them pointers makes for cleaner JSON when adapting configs, if
the struct is empty now it will be omitted entirely.
The x/time/rate package was updated to support changing the burst, so
we've incorporated that here and removed a TODO.
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This enables use of ACME CAs that issue shorter-lived certs
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Closes #2702
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CertMagic uses the same defaults for us
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We're done testing this in staging
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* Add support for client TLS authentication
Signed-off-by: Alexandre Stein <alexandre_stein@interlab-net.com>
* make and use client authentication struct
* force StrictSNIHost if TLSConnPolicies is not empty
* Implement leafs verification
* Fixes issue when using multiple verification
* applies the comments from maintainers
* Apply comment
* Refactor/cleanup initial TLS client auth implementation
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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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We should look into a way to enable this by default when TLS client auth
is configured for a server
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Removes the version from the package name
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This is a temporary holdover for development purposes
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