25 lines
645 B
Go
25 lines
645 B
Go
// +build go1.11
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package middleware
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import (
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"fmt"
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"net/http"
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"net/http/httputil"
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"github.com/labstack/echo/v4"
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)
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func proxyHTTP(tgt *ProxyTarget, c echo.Context, config ProxyConfig) http.Handler {
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proxy := httputil.NewSingleHostReverseProxy(tgt.URL)
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proxy.ErrorHandler = func(resp http.ResponseWriter, req *http.Request, err error) {
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desc := tgt.URL.String()
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if tgt.Name != "" {
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desc = fmt.Sprintf("%s(%s)", tgt.Name, tgt.URL.String())
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}
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c.Set("_error", echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("remote %s unreachable, could not forward: %v", desc, err)))
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}
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proxy.Transport = config.Transport
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return proxy
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}
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