made clicky work somehow

This commit is contained in:
Antoni Sawicki 2019-07-10 01:01:40 -07:00
parent eb1476e579
commit 579d67f7fb

63
wrp.go
View File

@ -36,20 +36,22 @@ var (
ctx context.Context
cancel context.CancelFunc
gifmap = make(map[string]bytes.Buffer)
ismap = make(map[string]Params)
ismap = make(map[string]WrpReq)
)
// Params - Page Configuration Parameters
type Params struct {
// WrpReq - WRP Page Request
type WrpReq struct {
U string // url
P int64 // page
W int64 // width
H int64 // height
S float64 // scale
C int64 // #colors
X int64 // mouseX
Y int64 // mouseY
}
func (p *Params) parseForm(req *http.Request) {
func (p *WrpReq) parseForm(req *http.Request) {
req.ParseForm()
p.U = req.FormValue("url")
if len(p.U) > 1 && !strings.HasPrefix(p.U, "http") {
@ -79,10 +81,10 @@ func (p *Params) parseForm(req *http.Request) {
if p.C < 2 || p.C > 256 {
p.C = 256
}
log.Printf("Params from Form: %+v\n", p)
log.Printf("WrpReq from Form: %+v\n", p)
}
func (p Params) printPage(out http.ResponseWriter) {
func (p WrpReq) printPage(out http.ResponseWriter) {
out.Header().Set("Content-Type", "text/html")
fmt.Fprintf(out, "<!-- Web Rendering Proxy Version %s -->\n", version)
fmt.Fprintf(out, "<HTML>\n<HEAD><TITLE>WRP %s</TITLE></HEAD>\n<BODY BGCOLOR=\"#F0F0F0\">\n", p.U)
@ -98,14 +100,14 @@ func (p Params) printPage(out http.ResponseWriter) {
fmt.Fprintf(out, "</FORM><BR>\n")
}
func (p Params) printFooter(out http.ResponseWriter) {
func (p WrpReq) printFooter(out http.ResponseWriter) {
fmt.Fprintf(out, "\n<P><A HREF=\"/?url=https://github.com/tenox7/wrp/&w=%d&h=%d&s=%1.2f&c=%d\">"+
"Web Rendering Proxy Version %s</A> | <A HREF=\"/shutdown/\">Shutdown WRP</A></BODY>\n</HTML>\n", p.W, p.H, p.S, p.C, version)
}
func pageServer(out http.ResponseWriter, req *http.Request) {
log.Printf("%s Page Request for %s [%+v]\n", req.RemoteAddr, req.URL.Path, req.URL.RawQuery)
var p Params
var p WrpReq
p.parseForm(req)
p.printPage(out)
if len(p.U) > 4 {
@ -116,13 +118,6 @@ func pageServer(out http.ResponseWriter, req *http.Request) {
func mapServer(out http.ResponseWriter, req *http.Request) {
log.Printf("%s ISMAP Request for %s [%+v]\n", req.RemoteAddr, req.URL.Path, req.URL.RawQuery)
var x, y int64
n, err := fmt.Sscanf(req.URL.RawQuery, "%d,%d", &x, &y)
if err != nil || n != 2 {
fmt.Fprintf(out, "n=%d, err=%s\n", n, err)
log.Printf("%s ISMAP n=%d, err=%s\n", req.RemoteAddr, n, err)
return
}
p, ok := ismap[req.URL.Path]
if !ok {
fmt.Fprintf(out, "Unable to find map %s\n", req.URL.Path)
@ -130,7 +125,13 @@ func mapServer(out http.ResponseWriter, req *http.Request) {
return
}
defer delete(ismap, req.URL.Path)
log.Printf("%s Params from ISMAP: %+v\n", req.RemoteAddr, p)
n, err := fmt.Sscanf(req.URL.RawQuery, "%d,%d", &p.X, &p.Y)
if err != nil || n != 2 {
fmt.Fprintf(out, "n=%d, err=%s\n", n, err)
log.Printf("%s ISMAP n=%d, err=%s\n", req.RemoteAddr, n, err)
return
}
log.Printf("%s WrpReq from ISMAP: %+v\n", req.RemoteAddr, p)
p.printPage(out)
if len(p.U) > 4 {
p.capture(req.RemoteAddr, out)
@ -153,21 +154,29 @@ func imgServer(out http.ResponseWriter, req *http.Request) {
out.(http.Flusher).Flush()
}
func (p Params) capture(c string, out http.ResponseWriter) {
func (p WrpReq) capture(c string, out http.ResponseWriter) {
var pngbuf []byte
var gifbuf bytes.Buffer
var loc string
var res *runtime.RemoteObject
var err error
log.Printf("%s Processing Capture Request for %s\n", c, p.U)
// Run ChromeDP Magic
err := chromedp.Run(ctx,
emulation.SetDeviceMetricsOverride(int64(float64(p.W)/p.S), int64(float64(p.H)/p.S), p.S, false),
chromedp.Navigate(p.U),
chromedp.Evaluate(fmt.Sprintf("window.scrollTo(0, %d);", p.P*int64(float64(p.H)*float64(0.9))), &res),
chromedp.Sleep(time.Second*1),
chromedp.Location(&loc))
// Navigate to page
if p.X > 0 && p.Y > 0 {
log.Printf("%s Mouse Click %d,%d\n", c, p.X, p.Y)
chromedp.Run(ctx,
chromedp.MouseClickXY(p.X, p.Y),
chromedp.Sleep(time.Second*3),
chromedp.Location(&loc))
} else {
log.Printf("%s Processing Capture Request for %s\n", c, p.U)
err = chromedp.Run(ctx,
emulation.SetDeviceMetricsOverride(int64(float64(p.W)/p.S), int64(float64(p.H)/p.S), p.S, false),
chromedp.Navigate(p.U),
chromedp.Evaluate(fmt.Sprintf("window.scrollTo(0, %d);", p.P*int64(float64(p.H)*float64(0.9))), &res),
chromedp.Sleep(time.Second*1),
chromedp.Location(&loc))
}
if err != nil {
if err.Error() == "context canceled" {
@ -180,6 +189,8 @@ func (p Params) capture(c string, out http.ResponseWriter) {
}
return
}
// Mouse Click
log.Printf("%s Landed on: %s\n", c, loc)
p.U = loc