2019-05-29 08:29:01 +00:00
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package main
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import (
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2019-05-29 08:52:28 +00:00
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"context"
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"flag"
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"fmt"
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"log"
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"net/http"
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"strconv"
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"strings"
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"time"
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2019-05-29 08:29:01 +00:00
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2019-05-29 08:52:28 +00:00
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"github.com/chromedp/cdproto/cdp"
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"github.com/chromedp/cdproto/dom"
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"github.com/chromedp/chromedp"
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2019-05-29 08:29:01 +00:00
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)
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var (
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2019-05-29 08:52:28 +00:00
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ctx context.Context
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cancel context.CancelFunc
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scrcap []byte
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)
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func pageServer(out http.ResponseWriter, req *http.Request) {
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2019-05-29 08:52:28 +00:00
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req.ParseForm()
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furl := req.Form["url"]
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var url string
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if len(furl) >= 1 && len(furl[0]) > 4 {
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url = furl[0]
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} else {
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url = "https://www.google.com/"
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}
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log.Printf("%s Page Reqest for %s URL=%s\n", req.RemoteAddr, req.URL.Path, url)
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out.Header().Set("Content-Type", "text/html")
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fmt.Fprintf(out, "<HTML>\n<HEAD><TITLE>WRP %s</TITLE>\n<BODY BGCOLOR=\"#F0F0F0\">", url)
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fmt.Fprintf(out, "<FORM ACTION=\"/\">URL: <INPUT TYPE=\"TEXT\" NAME=\"url\" VALUE=\"%s\">", url)
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fmt.Fprintf(out, "<INPUT TYPE=\"SUBMIT\" VALUE=\"Go\"></FORM><P>\n")
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if len(url) > 4 {
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capture(url, out)
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}
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fmt.Fprintf(out, "</BODY>\n</HTML>\n")
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2019-05-29 08:29:01 +00:00
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}
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func imgServer(out http.ResponseWriter, req *http.Request) {
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2019-05-29 08:52:28 +00:00
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log.Printf("%s Img Reqest for %s\n", req.RemoteAddr, req.URL.Path)
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out.Header().Set("Content-Type", "image/png")
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out.Header().Set("Content-Length", strconv.Itoa(len(scrcap)))
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out.Write(scrcap)
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2019-05-29 08:29:01 +00:00
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}
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func capture(url string, out http.ResponseWriter) {
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2019-05-29 08:52:28 +00:00
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var nodes []*cdp.Node
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ctxx := chromedp.FromContext(ctx)
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var target string
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2019-05-29 08:29:01 +00:00
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2019-05-29 08:52:28 +00:00
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log.Printf("Caputure Request for %s\n", url)
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chromedp.Run(ctx,
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chromedp.Navigate(url),
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chromedp.Sleep(time.Second*2),
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chromedp.CaptureScreenshot(&scrcap),
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chromedp.Nodes("a", &nodes, chromedp.ByQueryAll))
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2019-05-29 08:29:01 +00:00
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2019-05-29 08:52:28 +00:00
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fmt.Fprintf(out, "<IMG SRC=\"/wrp.png\" ALT=\"wrp\" USEMAP=\"#map\">\n<MAP NAME=\"map\">\n")
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2019-05-29 08:29:01 +00:00
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2019-05-29 08:52:28 +00:00
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for _, n := range nodes {
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b, err := dom.GetBoxModel().WithNodeID(n.NodeID).Do(cdp.WithExecutor(ctx, ctxx.Target))
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if strings.HasPrefix(n.AttributeValue("href"), "/") {
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target = fmt.Sprintf("/?url=%s%s", url, n.AttributeValue("href"))
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} else {
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target = fmt.Sprintf("/?url=%s", n.AttributeValue("href"))
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}
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if err == nil && len(b.Content) > 6 {
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fmt.Fprintf(out, "<AREA SHAPE=\"RECT\" COORDS=\"%.f,%.f,%.f,%.f\" ALT=\"%s\" TITLE=\"%s\" HREF=\"%s\">\n",
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b.Content[0], b.Content[1], b.Content[4], b.Content[5], n.AttributeValue("href"), n.AttributeValue("href"), target)
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}
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}
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2019-05-29 08:29:01 +00:00
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2019-05-29 08:52:28 +00:00
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fmt.Fprintf(out, "</MAP>\n")
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log.Printf("Done with caputure for %s\n", url)
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2019-05-29 08:29:01 +00:00
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}
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func main() {
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2019-05-29 08:52:28 +00:00
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ctx, cancel = chromedp.NewContext(context.Background())
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defer cancel()
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var addr string
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flag.StringVar(&addr, "l", ":8080", "Listen address:port, default :8080")
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flag.Parse()
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2019-05-29 08:29:01 +00:00
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2019-05-29 08:52:28 +00:00
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http.HandleFunc("/", pageServer)
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http.HandleFunc("/wrp.png", imgServer)
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log.Printf("Starting http server on %s\n", addr)
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http.ListenAndServe(addr, nil)
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2019-05-29 08:29:01 +00:00
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}
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