88 lines
1.9 KiB
Go
88 lines
1.9 KiB
Go
package proxy
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import (
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"context"
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"errors"
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"fmt"
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"net/http"
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imHttp "gitlab.com/inetmock/inetmock/internal/endpoint/handler/http"
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"gitlab.com/inetmock/inetmock/pkg/api"
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"gitlab.com/inetmock/inetmock/pkg/config"
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"gitlab.com/inetmock/inetmock/pkg/logging"
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"go.uber.org/zap"
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"gopkg.in/elazarl/goproxy.v1"
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)
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const (
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name = "http_proxy"
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)
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type httpProxy struct {
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logger logging.Logger
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proxy *goproxy.ProxyHttpServer
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server *http.Server
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}
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func (h *httpProxy) Start(ctx api.PluginContext, cfg config.HandlerConfig) (err error) {
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var opts httpProxyOptions
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if err = cfg.Options.Unmarshal(&opts); err != nil {
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return
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}
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listenAddr := cfg.ListenAddr()
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h.server = &http.Server{
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Addr: listenAddr,
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Handler: h.proxy,
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ConnContext: imHttp.StoreConnPropertiesInContext,
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}
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h.logger = h.logger.With(
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zap.String("handler_name", cfg.HandlerName),
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zap.String("address", listenAddr),
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)
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tlsConfig := ctx.CertStore().TLSConfig()
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proxyHandler := &proxyHttpHandler{
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handlerName: cfg.HandlerName,
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options: opts,
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logger: h.logger,
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emitter: ctx.Audit(),
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}
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proxyHTTPSHandler := &proxyHttpsHandler{
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handlerName: cfg.HandlerName,
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tlsConfig: tlsConfig,
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logger: h.logger,
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emitter: ctx.Audit(),
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}
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h.proxy.OnRequest().Do(proxyHandler)
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h.proxy.OnRequest().HandleConnect(proxyHTTPSHandler)
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go h.startProxy()
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return
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}
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func (h *httpProxy) startProxy() {
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if err := h.server.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
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h.logger.Error(
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"failed to start proxy server",
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zap.Error(err),
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)
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}
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}
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func (h *httpProxy) Shutdown(ctx context.Context) (err error) {
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h.logger.Info("Shutting down HTTP proxy")
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if err = h.server.Shutdown(ctx); err != nil {
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h.logger.Error(
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"failed to shutdown proxy endpoint",
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zap.Error(err),
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)
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err = fmt.Errorf(
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"failed to shutdown proxy endpoint: %w",
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err,
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)
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}
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return
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}
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