diff options
author | Matt Holt <mholt@users.noreply.github.com> | 2019-08-21 11:28:03 -0600 |
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committer | GitHub <noreply@github.com> | 2019-08-21 11:28:03 -0600 |
commit | 0544f0266a11874efb305a46db762248e64bc62d (patch) | |
tree | 3e75e6f59047bb967c52915e1e75aee6ad67c0ea /modules/caddyhttp/encode/caddyfile.go | |
parent | 42f75a4ca94ef3fb5e15a74e5dc9ef8b4f1f0b39 (diff) | |
parent | b2aa679c33f63ebec5bc1a21bca01f345dffebdd (diff) |
Merge pull request #2699 from caddyserver/cfadapter
v2: Implement config adapters and WIP Caddyfile adapter
Diffstat (limited to 'modules/caddyhttp/encode/caddyfile.go')
-rw-r--r-- | modules/caddyhttp/encode/caddyfile.go | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/modules/caddyhttp/encode/caddyfile.go b/modules/caddyhttp/encode/caddyfile.go new file mode 100644 index 0000000..5762bd3 --- /dev/null +++ b/modules/caddyhttp/encode/caddyfile.go @@ -0,0 +1,99 @@ +// Copyright 2015 Matthew Holt and The Caddy Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package encode + +import ( + "encoding/json" + "fmt" + + "github.com/caddyserver/caddy/v2" + "github.com/caddyserver/caddy/v2/caddyconfig" + "github.com/caddyserver/caddy/v2/caddyconfig/caddyfile" + "github.com/caddyserver/caddy/v2/caddyconfig/httpcaddyfile" + "github.com/caddyserver/caddy/v2/modules/caddyhttp" +) + +func init() { + httpcaddyfile.RegisterHandlerDirective("encode", parseCaddyfile) +} + +// TODO: This is a good example of why UnmarshalCaddyfile is still a good idea... hmm. +func parseCaddyfile(h httpcaddyfile.Helper) (caddyhttp.MiddlewareHandler, error) { + enc := new(Encode) + err := enc.UnmarshalCaddyfile(h.Dispenser) + if err != nil { + return nil, err + } + return enc, nil +} + +// TODO: Keep UnmarshalCaddyfile pattern? + +// UnmarshalCaddyfile sets up the handler from Caddyfile tokens. Syntax: +// +// encode [<matcher>] <formats...> { +// gzip [<level>] +// zstd +// brotli [<quality>] +// } +// +// Specifying the formats on the first line will use those formats' defaults. +func (enc *Encode) UnmarshalCaddyfile(d *caddyfile.Dispenser) error { + for d.Next() { + for _, arg := range d.RemainingArgs() { + mod, err := caddy.GetModule("http.encoders." + arg) + if err != nil { + return fmt.Errorf("finding encoder module '%s': %v", mod.Name, err) + } + encoding, ok := mod.New().(Encoding) + if !ok { + return fmt.Errorf("module %s is not an HTTP encoding", mod.Name) + } + if enc.EncodingsRaw == nil { + enc.EncodingsRaw = make(map[string]json.RawMessage) + } + enc.EncodingsRaw[arg] = caddyconfig.JSON(encoding, nil) + } + + for d.NextBlock() { + name := d.Val() + mod, err := caddy.GetModule("http.encoders." + name) + if err != nil { + return fmt.Errorf("getting encoder module '%s': %v", mod.Name, err) + } + unm, ok := mod.New().(caddyfile.Unmarshaler) + if !ok { + return fmt.Errorf("encoder module '%s' is not a Caddyfile unmarshaler", mod.Name) + } + err = unm.UnmarshalCaddyfile(d.NewFromNextTokens()) + if err != nil { + return err + } + encoding, ok := unm.(Encoding) + if !ok { + return fmt.Errorf("module %s is not an HTTP encoding", mod.Name) + } + if enc.EncodingsRaw == nil { + enc.EncodingsRaw = make(map[string]json.RawMessage) + } + enc.EncodingsRaw[name] = caddyconfig.JSON(encoding, nil) + } + } + + return nil +} + +// Interface guard +var _ caddyfile.Unmarshaler = (*Encode)(nil) |