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Antoni Sawicki
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README.md
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README.md
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# WRP - Web Rendering Proxy
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A HTTP proxy server that allows to use historical and obsolete web browsers on the modern web. It works by rendering the web page in to a GIF/PNG/JPEG image associated with clickable imagemap of original web links.
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A HTTP proxy server that allows to use historical and obsolete web browsers on the modern web. It works by rendering the web page in to a GIF image associated with clickable imagemap of original web links.
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New: Version 2.1 brings support for sslstrip to allow browsing https/SSL/TSL websites.
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You are looking at a GoLang / CDP branch of WRP.
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This code is under active development and not fully usable yet.
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# Current Status
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Check master branch for "stable" Python-Webkit version.
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* This is a WebKit / Python version of WRP.
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* It mostly works for casual browsing but the app is not very stable and your mileage may vary.
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* Secure aka https/SSL/TLS websites might work with use of [sslstrip](https://moxie.org/software/sslstrip/) cheat (enabled by default).
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* Web form submission is not yet implemented.
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* New version using Chrome and GoLang is actively being developed. Stay tuned for updates.
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## OS Support
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WRP works on macOS (Mac OS X), Linux and FreeBSD. On macOS it uses Cocoa Webkit, on Linux/FreeBSD QT Webkit, for which needs PyQT4 or PyQT5.
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## Installation
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* macOS - should just work
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* Linux/FreeBSD install `python-pyqt5.qtwebkit` and `sslstrip`
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* For PythonMagick (Imagemagick library) install `python-pythonmagick`
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## Configuration
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Edit wrp.py, scroll past Copyright section to find config parameters
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## Usage
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Configure your web browser to use HTTP proxy at IP address and port where WRP is running. If using browsers prior to HTML 3.2, ISMAP option may need to be enabled. Check configuration.
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## More info and screenshots
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* http://virtuallyfun.superglobalmegacorp.com/2014/03/11/web-rendering-proxy-update/
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package main
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import (
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"context"
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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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"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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)
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var (
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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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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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}
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func imgServer(out http.ResponseWriter, req *http.Request) {
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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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}
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func capture(url string, out http.ResponseWriter) {
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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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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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fmt.Fprintf(out, "<IMG SRC=\"/wrp.png\" ALT=\"wrp\" USEMAP=\"#map\">\n<MAP NAME=\"map\">\n")
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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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fmt.Fprintf(out, "</MAP>\n")
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log.Printf("Done with caputure for %s\n", url)
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}
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func main() {
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ctx, cancel = chromedp.NewContext(context.Background())
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defer cancel()
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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 :8080\n")
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http.ListenAndServe(":8080", nil)
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}
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