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feat(rewriter): implement plugin-based Rewriter module with gRPC and HTTP backends

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Add the first implementation of core/rewriter.Rewriter as a plugin-only
component following the bypass/admission pattern (single-value, no
RewriterObject). Includes:

- plugin/rewriter/proto/: protobuf definition with Rewrite RPC returning
  transformed data in the reply
- x/rewriter/plugin/: gRPC and HTTP plugin clients
- x/registry/rewriter.go: hot-reload-safe RewriterRegistry with wrapper
- x/config/config.go: RewriterConfig, Config.Rewriters, ServiceConfig.Rewriter
- x/config/parsing/rewriter/parse.go: config parser (plugin backends only)
- core/handler/option.go: Rewriter field + RewriterOption on handler.Options
- x/config/loader/loader.go: rewriter registration during startup
- x/config/parsing/service/parse.go: inject rewriter into handler options
This commit is contained in:
ginuerzh
2026-06-27 21:44:13 +08:00
parent fb0cf72446
commit 3b25e0317f
10 changed files with 324 additions and 8 deletions
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config/loader/loader.go
+12
View File
@@ -22,6 +22,7 @@ import (
reg "github.com/go-gost/core/registry"
"github.com/go-gost/core/resolver"
"github.com/go-gost/core/router"
"github.com/go-gost/core/rewriter"
"github.com/go-gost/core/sd"
"github.com/go-gost/x/config"
"github.com/go-gost/x/config/parsing"
@@ -38,6 +39,7 @@ import (
quota_parser "github.com/go-gost/x/config/parsing/quota"
recorder_parser "github.com/go-gost/x/config/parsing/recorder"
resolver_parser "github.com/go-gost/x/config/parsing/resolver"
rewriter_parser "github.com/go-gost/x/config/parsing/rewriter"
router_parser "github.com/go-gost/x/config/parsing/router"
sd_parser "github.com/go-gost/x/config/parsing/sd"
service_parser "github.com/go-gost/x/config/parsing/service"
@@ -244,6 +246,16 @@ func register(cfg *config.Config) error {
}
}
{
var entries []named[rewriter.Rewriter]
for _, c := range cfg.Rewriters {
entries = append(entries, named[rewriter.Rewriter]{c.Name, rewriter_parser.ParseRewriter(c)})
}
if err := registerGroup(entries, registry.RewriterRegistry()); err != nil {
return err
}
}
{
var entries []named[traffic.TrafficLimiter]
for _, c := range cfg.Limiters {