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add flags

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This commit is contained in:
Antoni Sawicki 2019-05-29 01:52:28 -07:00
parent e869291f8e
commit 0680b4a72e
1 changed files with 68 additions and 64 deletions
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132
wrp.go
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@ -1,90 +1,94 @@
package main package main
import ( import (
"context" "context"
"fmt" "flag"
"log" "fmt"
"net/http" "log"
"strconv" "net/http"
"strings" "strconv"
"time" "strings"
"time"
"github.com/chromedp/cdproto/cdp" "github.com/chromedp/cdproto/cdp"
"github.com/chromedp/cdproto/dom" "github.com/chromedp/cdproto/dom"
"github.com/chromedp/chromedp" "github.com/chromedp/chromedp"
) )
var ( var (
ctx context.Context ctx context.Context
cancel context.CancelFunc cancel context.CancelFunc
scrcap []byte scrcap []byte
) )
func pageServer(out http.ResponseWriter, req *http.Request) { func pageServer(out http.ResponseWriter, req *http.Request) {
req.ParseForm() req.ParseForm()
furl := req.Form["url"] furl := req.Form["url"]
var url string var url string
if len(furl) >= 1 && len(furl[0]) > 4 { if len(furl) >= 1 && len(furl[0]) > 4 {
url = furl[0] url = furl[0]
} else { } else {
url = "https://www.google.com/" url = "https://www.google.com/"
} }
log.Printf("%s Page Reqest for %s URL=%s\n", req.RemoteAddr, req.URL.Path, url) log.Printf("%s Page Reqest for %s URL=%s\n", req.RemoteAddr, req.URL.Path, url)
out.Header().Set("Content-Type", "text/html") 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, "<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, "<FORM ACTION=\"/\">URL: <INPUT TYPE=\"TEXT\" NAME=\"url\" VALUE=\"%s\">", url)
fmt.Fprintf(out, "<INPUT TYPE=\"SUBMIT\" VALUE=\"Go\"></FORM><P>\n") fmt.Fprintf(out, "<INPUT TYPE=\"SUBMIT\" VALUE=\"Go\"></FORM><P>\n")
if len(url) > 4 { if len(url) > 4 {
capture(url, out) capture(url, out)
} }
fmt.Fprintf(out, "</BODY>\n</HTML>\n") fmt.Fprintf(out, "</BODY>\n</HTML>\n")
} }
func imgServer(out http.ResponseWriter, req *http.Request) { func imgServer(out http.ResponseWriter, req *http.Request) {
log.Printf("%s Img Reqest for %s\n", req.RemoteAddr, req.URL.Path) log.Printf("%s Img Reqest for %s\n", req.RemoteAddr, req.URL.Path)
out.Header().Set("Content-Type", "image/png") out.Header().Set("Content-Type", "image/png")
out.Header().Set("Content-Length", strconv.Itoa(len(scrcap))) out.Header().Set("Content-Length", strconv.Itoa(len(scrcap)))
out.Write(scrcap) out.Write(scrcap)
} }
func capture(url string, out http.ResponseWriter) { func capture(url string, out http.ResponseWriter) {
var nodes []*cdp.Node var nodes []*cdp.Node
ctxx := chromedp.FromContext(ctx) ctxx := chromedp.FromContext(ctx)
var target string var target string
log.Printf("Caputure Request for %s\n", url) log.Printf("Caputure Request for %s\n", url)
chromedp.Run(ctx, chromedp.Run(ctx,
chromedp.Navigate(url), chromedp.Navigate(url),
chromedp.Sleep(time.Second*2), chromedp.Sleep(time.Second*2),
chromedp.CaptureScreenshot(&scrcap), chromedp.CaptureScreenshot(&scrcap),
chromedp.Nodes("a", &nodes, chromedp.ByQueryAll)) chromedp.Nodes("a", &nodes, chromedp.ByQueryAll))
fmt.Fprintf(out, "<IMG SRC=\"/wrp.png\" ALT=\"wrp\" USEMAP=\"#map\">\n<MAP NAME=\"map\">\n") fmt.Fprintf(out, "<IMG SRC=\"/wrp.png\" ALT=\"wrp\" USEMAP=\"#map\">\n<MAP NAME=\"map\">\n")
for _, n := range nodes { for _, n := range nodes {
b, err := dom.GetBoxModel().WithNodeID(n.NodeID).Do(cdp.WithExecutor(ctx, ctxx.Target)) b, err := dom.GetBoxModel().WithNodeID(n.NodeID).Do(cdp.WithExecutor(ctx, ctxx.Target))
if strings.HasPrefix(n.AttributeValue("href"), "/") { if strings.HasPrefix(n.AttributeValue("href"), "/") {
target = fmt.Sprintf("/?url=%s%s", url, n.AttributeValue("href")) target = fmt.Sprintf("/?url=%s%s", url, n.AttributeValue("href"))
} else { } else {
target = fmt.Sprintf("/?url=%s", n.AttributeValue("href")) target = fmt.Sprintf("/?url=%s", n.AttributeValue("href"))
} }
if err == nil && len(b.Content) > 6 { 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", 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) b.Content[0], b.Content[1], b.Content[4], b.Content[5], n.AttributeValue("href"), n.AttributeValue("href"), target)
} }
} }
fmt.Fprintf(out, "</MAP>\n") fmt.Fprintf(out, "</MAP>\n")
log.Printf("Done with caputure for %s\n", url) log.Printf("Done with caputure for %s\n", url)
} }
func main() { func main() {
ctx, cancel = chromedp.NewContext(context.Background()) ctx, cancel = chromedp.NewContext(context.Background())
defer cancel() defer cancel()
var addr string
flag.StringVar(&addr, "l", ":8080", "Listen address:port, default :8080")
flag.Parse()
http.HandleFunc("/", pageServer) http.HandleFunc("/", pageServer)
http.HandleFunc("/wrp.png", imgServer) http.HandleFunc("/wrp.png", imgServer)
log.Printf("Starting http server on :8080\n") log.Printf("Starting http server on %s\n", addr)
http.ListenAndServe(":8080", nil) http.ListenAndServe(addr, nil)
} }