1b07475bf3
Each rewriteBody/rewriteResponseBody/rewriteRequestBody rule can now optionally reference a named rewriter plugin (HTTP/gRPC backend) via the rewriter field. When set, body rewriting delegates to the plugin rather than applying pattern/replacement, while content-type filtering still applies. Coincident fixes: - rewriter/plugin/grpc: return nil when conn is nil (avoid nil-ptr panic) - rewriter/plugin/http: drain response body in defer to prevent leaks - config/parsing/rewriter: pass TimeoutOption to gRPC plugin - config/parsing/service: warn when referenced rewriter is not registered
49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
package rewriter
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import (
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"crypto/tls"
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"strings"
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"github.com/go-gost/core/rewriter"
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"github.com/go-gost/x/config"
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"github.com/go-gost/x/internal/plugin"
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rewriter_plugin "github.com/go-gost/x/rewriter/plugin"
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)
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// ParseRewriter converts a RewriterConfig into a rewriter.Rewriter.
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// It currently supports plugin backends only (HTTP or gRPC).
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// Returns nil when cfg is nil or no backend is configured.
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func ParseRewriter(cfg *config.RewriterConfig) rewriter.Rewriter {
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if cfg == nil {
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return nil
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}
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if cfg.Plugin != nil {
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var tlsCfg *tls.Config
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if cfg.Plugin.TLS != nil {
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tlsCfg = &tls.Config{
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ServerName: cfg.Plugin.TLS.ServerName,
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InsecureSkipVerify: !cfg.Plugin.TLS.Secure,
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}
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}
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switch strings.ToLower(cfg.Plugin.Type) {
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case "http":
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return rewriter_plugin.NewHTTPPlugin(
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cfg.Name, cfg.Plugin.Addr,
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plugin.TokenOption(cfg.Plugin.Token),
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plugin.TLSConfigOption(tlsCfg),
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plugin.TimeoutOption(cfg.Plugin.Timeout),
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)
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default:
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return rewriter_plugin.NewGRPCPlugin(
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cfg.Name, cfg.Plugin.Addr,
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plugin.TokenOption(cfg.Plugin.Token),
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plugin.TLSConfigOption(tlsCfg),
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plugin.TimeoutOption(cfg.Plugin.Timeout),
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)
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}
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}
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return nil
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}
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