2019-05-29 08:29:01 +00:00
|
|
|
package main
|
|
|
|
|
|
|
|
import (
|
2019-05-29 08:52:28 +00:00
|
|
|
"context"
|
|
|
|
"flag"
|
|
|
|
"fmt"
|
|
|
|
"log"
|
|
|
|
"net/http"
|
|
|
|
"strconv"
|
|
|
|
"strings"
|
|
|
|
"time"
|
2019-05-30 01:02:29 +00:00
|
|
|
"bytes"
|
|
|
|
_ "image"
|
|
|
|
"image/png"
|
|
|
|
"image/gif"
|
2019-05-29 08:29:01 +00:00
|
|
|
|
2019-05-29 09:39:06 +00:00
|
|
|
"github.com/chromedp/cdproto/emulation"
|
|
|
|
|
2019-05-29 08:52:28 +00:00
|
|
|
"github.com/chromedp/cdproto/cdp"
|
|
|
|
"github.com/chromedp/cdproto/dom"
|
|
|
|
"github.com/chromedp/chromedp"
|
2019-05-29 08:29:01 +00:00
|
|
|
)
|
|
|
|
|
|
|
|
var (
|
2019-05-29 08:52:28 +00:00
|
|
|
ctx context.Context
|
|
|
|
cancel context.CancelFunc
|
2019-05-30 01:02:29 +00:00
|
|
|
gifbuf bytes.Buffer
|
2019-05-29 08:29:01 +00:00
|
|
|
)
|
|
|
|
|
|
|
|
func pageServer(out http.ResponseWriter, req *http.Request) {
|
2019-05-29 08:52:28 +00:00
|
|
|
req.ParseForm()
|
|
|
|
furl := req.Form["url"]
|
|
|
|
var url string
|
|
|
|
if len(furl) >= 1 && len(furl[0]) > 4 {
|
|
|
|
url = furl[0]
|
|
|
|
} else {
|
2019-05-30 01:02:29 +00:00
|
|
|
url = "https://en.wikipedia.org/wiki/"
|
2019-05-29 08:52:28 +00:00
|
|
|
}
|
|
|
|
log.Printf("%s Page Reqest for %s URL=%s\n", req.RemoteAddr, req.URL.Path, url)
|
|
|
|
out.Header().Set("Content-Type", "text/html")
|
|
|
|
fmt.Fprintf(out, "<HTML>\n<HEAD><TITLE>WRP %s</TITLE>\n<BODY BGCOLOR=\"#F0F0F0\">", url)
|
|
|
|
fmt.Fprintf(out, "<FORM ACTION=\"/\">URL: <INPUT TYPE=\"TEXT\" NAME=\"url\" VALUE=\"%s\">", url)
|
|
|
|
fmt.Fprintf(out, "<INPUT TYPE=\"SUBMIT\" VALUE=\"Go\"></FORM><P>\n")
|
|
|
|
if len(url) > 4 {
|
|
|
|
capture(url, out)
|
|
|
|
}
|
|
|
|
fmt.Fprintf(out, "</BODY>\n</HTML>\n")
|
2019-05-29 08:29:01 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
func imgServer(out http.ResponseWriter, req *http.Request) {
|
2019-05-29 08:52:28 +00:00
|
|
|
log.Printf("%s Img Reqest for %s\n", req.RemoteAddr, req.URL.Path)
|
2019-05-30 01:02:29 +00:00
|
|
|
out.Header().Set("Content-Type", "image/gif")
|
|
|
|
out.Header().Set("Content-Length", strconv.Itoa(len(gifbuf.Bytes())))
|
|
|
|
out.Write(gifbuf.Bytes())
|
2019-05-29 08:29:01 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
func capture(url string, out http.ResponseWriter) {
|
2019-05-29 08:52:28 +00:00
|
|
|
var nodes []*cdp.Node
|
|
|
|
ctxx := chromedp.FromContext(ctx)
|
|
|
|
var target string
|
2019-05-30 01:02:29 +00:00
|
|
|
var scrcap []byte
|
2019-05-29 08:29:01 +00:00
|
|
|
|
2019-05-29 08:52:28 +00:00
|
|
|
log.Printf("Caputure Request for %s\n", url)
|
2019-05-29 09:39:06 +00:00
|
|
|
|
2019-05-29 08:52:28 +00:00
|
|
|
chromedp.Run(ctx,
|
2019-05-29 09:39:06 +00:00
|
|
|
emulation.SetDeviceMetricsOverride(1024, 768, 1.0, false),
|
2019-05-29 08:52:28 +00:00
|
|
|
chromedp.Navigate(url),
|
|
|
|
chromedp.Sleep(time.Second*2),
|
|
|
|
chromedp.CaptureScreenshot(&scrcap),
|
|
|
|
chromedp.Nodes("a", &nodes, chromedp.ByQueryAll))
|
2019-05-29 08:29:01 +00:00
|
|
|
|
2019-05-30 01:02:29 +00:00
|
|
|
img, err:= png.Decode(bytes.NewReader(scrcap) )
|
|
|
|
if err != nil {
|
|
|
|
log.Fatal(err)
|
|
|
|
}
|
|
|
|
gifbuf.Reset()
|
|
|
|
gif.Encode(&gifbuf, img, nil)
|
|
|
|
|
|
|
|
fmt.Fprintf(out, "<IMG SRC=\"/wrp.gif\" ALT=\"wrp\" USEMAP=\"#map\">\n<MAP NAME=\"map\">\n")
|
2019-05-29 08:29:01 +00:00
|
|
|
|
2019-05-29 08:52:28 +00:00
|
|
|
for _, n := range nodes {
|
|
|
|
b, err := dom.GetBoxModel().WithNodeID(n.NodeID).Do(cdp.WithExecutor(ctx, ctxx.Target))
|
|
|
|
if strings.HasPrefix(n.AttributeValue("href"), "/") {
|
|
|
|
target = fmt.Sprintf("/?url=%s%s", url, n.AttributeValue("href"))
|
|
|
|
} else {
|
|
|
|
target = fmt.Sprintf("/?url=%s", n.AttributeValue("href"))
|
|
|
|
}
|
2019-05-29 08:29:01 +00:00
|
|
|
|
2019-05-29 08:52:28 +00:00
|
|
|
if err == nil && len(b.Content) > 6 {
|
|
|
|
fmt.Fprintf(out, "<AREA SHAPE=\"RECT\" COORDS=\"%.f,%.f,%.f,%.f\" ALT=\"%s\" TITLE=\"%s\" HREF=\"%s\">\n",
|
|
|
|
b.Content[0], b.Content[1], b.Content[4], b.Content[5], n.AttributeValue("href"), n.AttributeValue("href"), target)
|
|
|
|
}
|
|
|
|
}
|
2019-05-29 08:29:01 +00:00
|
|
|
|
2019-05-29 08:52:28 +00:00
|
|
|
fmt.Fprintf(out, "</MAP>\n")
|
|
|
|
log.Printf("Done with caputure for %s\n", url)
|
2019-05-29 08:29:01 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
func main() {
|
2019-05-29 08:52:28 +00:00
|
|
|
ctx, cancel = chromedp.NewContext(context.Background())
|
|
|
|
defer cancel()
|
|
|
|
var addr string
|
|
|
|
flag.StringVar(&addr, "l", ":8080", "Listen address:port, default :8080")
|
|
|
|
flag.Parse()
|
2019-05-29 08:29:01 +00:00
|
|
|
|
2019-05-29 08:52:28 +00:00
|
|
|
http.HandleFunc("/", pageServer)
|
2019-05-30 01:02:29 +00:00
|
|
|
http.HandleFunc("/wrp.gif", imgServer)
|
2019-05-30 01:47:03 +00:00
|
|
|
http.HandleFunc("/favicon.ico", http.NotFound)
|
2019-05-29 08:52:28 +00:00
|
|
|
log.Printf("Starting http server on %s\n", addr)
|
|
|
|
http.ListenAndServe(addr, nil)
|
2019-05-29 08:29:01 +00:00
|
|
|
}
|