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added more ismap cruft

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This commit is contained in:
Antoni Sawicki 2019-06-02 02:25:18 -07:00
parent a6df4cbec4
commit 6dfe7ddafc
1 changed files with 26 additions and 8 deletions
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34
wrp.go
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@ -32,10 +32,20 @@ import (
"github.com/chromedp/chromedp"
)
// Ismap for server side processing
type Ismap struct {
xmin int64
ymin int64
xmax int64
ymax int64
url string
}
var (
ctx context.Context
cancel context.CancelFunc
gifmap = make(map[string]bytes.Buffer)
ismap = make(map[string][]Ismap)
)
func pageServer(out http.ResponseWriter, r *http.Request) {
@ -106,7 +116,7 @@ func imgServer(out http.ResponseWriter, req *http.Request) {
}
func mapServer(out http.ResponseWriter, req *http.Request) {
log.Printf("%s MAP Request for %s [%v]\n", req.RemoteAddr, req.URL.Path, req.URL.Query())
log.Printf("%s MAP Request for %s [%+v]\n", req.RemoteAddr, req.URL.Path, req.URL.RawQuery)
}
func haltServer(out http.ResponseWriter, req *http.Request) {
@ -118,13 +128,14 @@ func haltServer(out http.ResponseWriter, req *http.Request) {
os.Exit(0)
}
func capture(gourl string, w int64, h int64, s float64, p int64, ismap bool, out http.ResponseWriter) {
func capture(gourl string, w int64, h int64, s float64, p int64, i bool, out http.ResponseWriter) {
var nodes []*cdp.Node
ctxx := chromedp.FromContext(ctx)
var pngbuf []byte
var gifbuf bytes.Buffer
var loc string
var res *runtime.RemoteObject
is := make([]Ismap, 0)
log.Printf("Processing Caputure Request for %s\n", gourl)
@ -161,14 +172,17 @@ func capture(gourl string, w int64, h int64, s float64, p int64, ismap bool, out
fmt.Fprintf(out, "<BR>Unable to encode GIF:<BR>%s<BR>\n", err)
return
}
imgpath := fmt.Sprintf("/img/%04d.gif", rand.Intn(9999))
seq := rand.Intn(9999)
imgpath := fmt.Sprintf("/img/%04d.gif", seq)
mappath := fmt.Sprintf("/map/%04d.map", seq)
log.Printf("Encoded GIF image: %s, Size: %dKB\n", imgpath, len(gifbuf.Bytes())/1024)
gifmap[imgpath] = gifbuf
// Process Nodes
base, _ := url.Parse(loc)
if ismap {
fmt.Fprintf(out, "<A HREF=\"/map/123.map\"><IMG SRC=\"%s\" ALT=\"wrp\" ISMAP></A>", imgpath)
if i {
fmt.Fprintf(out, "<A HREF=\"%s\"><IMG SRC=\"%s\" ALT=\"wrp\" ISMAP></A>", mappath, imgpath)
is = append(is, Ismap{xmin: -1, xmax: -1, ymin: -1, ymax: -1, url: "default"})
} else {
fmt.Fprintf(out, "<IMG SRC=\"%s\" ALT=\"wrp\" USEMAP=\"#map\">\n<MAP NAME=\"map\">\n", imgpath)
}
@ -185,8 +199,11 @@ func capture(gourl string, w int64, h int64, s float64, p int64, ismap bool, out
target := fmt.Sprintf("/?url=%s&w=%d&h=%d&s=%1.2f&", tgt, w, h, s) // no page# here
if len(b.Content) > 6 && len(target) > 7 {
if ismap {
if i {
is = append(is, Ismap{
xmin: int64(b.Content[0] * s), ymin: int64(b.Content[1] * s),
xmax: int64(b.Content[4] * s), ymax: int64(b.Content[5] * s),
url: target})
} else {
fmt.Fprintf(out, "<AREA SHAPE=\"RECT\" COORDS=\"%.f,%.f,%.f,%.f\" ALT=\"%s\" TITLE=\"%s\" HREF=\"%s\">\n",
b.Content[0]*s, b.Content[1]*s, b.Content[4]*s, b.Content[5]*s, n.AttributeValue("href"), n.AttributeValue("href"), target)
@ -194,11 +211,12 @@ func capture(gourl string, w int64, h int64, s float64, p int64, ismap bool, out
}
}
if !ismap {
if !i {
fmt.Fprintf(out, "</MAP>\n")
}
out.(http.Flusher).Flush()
log.Printf("Done with caputure for %s\n", gourl)
ismap[mappath] = is
}
func main() {