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Code Issues Projects Releases Wiki Activity

better logging

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This commit is contained in:
Antoni Sawicki 2019-06-02 16:05:36 -07:00
parent 3270bbcdd3
commit 719a7fc560
1 changed files with 26 additions and 24 deletions
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50
wrp.go
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@ -48,39 +48,39 @@ var (
ismap = make(map[string][]Ismap) ismap = make(map[string][]Ismap)
) )
func pageServer(out http.ResponseWriter, r *http.Request) { func pageServer(out http.ResponseWriter, req *http.Request) {
r.ParseForm() req.ParseForm()
u := r.FormValue("url") u := req.FormValue("url")
var istr string var istr string
var i bool var i bool
if r.FormValue("i") == "on" { if req.FormValue("i") == "on" {
istr = "CHECKED" istr = "CHECKED"
i = true i = true
} else { } else {
istr = "" istr = ""
i = false i = false
} }
p, _ := strconv.ParseInt(r.FormValue("p"), 10, 64) p, _ := strconv.ParseInt(req.FormValue("p"), 10, 64)
if r.FormValue("pg") == "Next" { if req.FormValue("pg") == "Next" {
p++ p++
} else if r.FormValue("pg") == "Prev" { } else if req.FormValue("pg") == "Prev" {
p-- p--
} else { } else {
p = 0 p = 0
} }
w, _ := strconv.ParseInt(r.FormValue("w"), 10, 64) w, _ := strconv.ParseInt(req.FormValue("w"), 10, 64)
if w < 10 { if w < 10 {
w = 1024 w = 1024
} }
h, _ := strconv.ParseInt(r.FormValue("h"), 10, 64) h, _ := strconv.ParseInt(req.FormValue("h"), 10, 64)
if h < 10 { if h < 10 {
h = 768 h = 768
} }
s, _ := strconv.ParseFloat(r.FormValue("s"), 64) s, _ := strconv.ParseFloat(req.FormValue("s"), 64)
if s < 0.1 { if s < 0.1 {
s = 1.0 s = 1.0
} }
log.Printf("%s Page Reqest for url=\"%s\" [%s]\n", r.RemoteAddr, u, r.URL.Path) log.Printf("%s Page Reqest for url=\"%s\" [%s]\n", req.RemoteAddr, u, req.URL.Path)
out.Header().Set("Content-Type", "text/html") out.Header().Set("Content-Type", "text/html")
fmt.Fprintf(out, "<HTML>\n<HEAD><TITLE>WRP %s</TITLE></HEAD>\n<BODY BGCOLOR=\"#F0F0F0\">", u) fmt.Fprintf(out, "<HTML>\n<HEAD><TITLE>WRP %s</TITLE></HEAD>\n<BODY BGCOLOR=\"#F0F0F0\">", u)
fmt.Fprintf(out, "<FORM ACTION=\"/\">URL/Search: <INPUT TYPE=\"TEXT\" NAME=\"url\" VALUE=\"%s\" SIZE=\"40\">", u) fmt.Fprintf(out, "<FORM ACTION=\"/\">URL/Search: <INPUT TYPE=\"TEXT\" NAME=\"url\" VALUE=\"%s\" SIZE=\"40\">", u)
@ -95,9 +95,9 @@ func pageServer(out http.ResponseWriter, r *http.Request) {
fmt.Fprintf(out, "</FORM><P>\n") fmt.Fprintf(out, "</FORM><P>\n")
if len(u) > 4 { if len(u) > 4 {
if strings.HasPrefix(u, "http") { if strings.HasPrefix(u, "http") {
capture(u, w, h, s, p, i, out) capture(u, w, h, s, p, i, req.RemoteAddr, out)
} else { } else {
capture(fmt.Sprintf("http://www.google.com/search?q=%s", url.QueryEscape(u)), w, h, s, p, i, out) capture(fmt.Sprintf("http://www.google.com/search?q=%s", url.QueryEscape(u)), w, h, s, p, i, req.RemoteAddr, out)
} }
} else { } else {
fmt.Fprintf(out, "No URL or search query specified") fmt.Fprintf(out, "No URL or search query specified")
@ -122,7 +122,7 @@ func mapServer(out http.ResponseWriter, req *http.Request) {
n, err := fmt.Sscanf(req.URL.RawQuery, "%d,%d", &x, &y) n, err := fmt.Sscanf(req.URL.RawQuery, "%d,%d", &x, &y)
if err != nil || n != 2 { if err != nil || n != 2 {
fmt.Fprintf(out, "n=%d, err=%s\n", n, err) fmt.Fprintf(out, "n=%d, err=%s\n", n, err)
log.Printf("n=%d, err=%s\n", n, err) log.Printf("%s ISMAP n=%d, err=%s\n", req.RemoteAddr, n, err)
return return
} }
is := ismap[req.URL.Path] is := ismap[req.URL.Path]
@ -135,7 +135,7 @@ func mapServer(out http.ResponseWriter, req *http.Request) {
if len(loc) < 1 { if len(loc) < 1 {
loc = is[0].url loc = is[0].url
} }
log.Printf("ISMAP Redirect to: %s\n", loc) log.Printf("%s ISMAP Redirect to: %s\n", req.RemoteAddr, loc)
http.Redirect(out, req, loc, 301) http.Redirect(out, req, loc, 301)
} }
@ -148,7 +148,7 @@ func haltServer(out http.ResponseWriter, req *http.Request) {
os.Exit(0) os.Exit(0)
} }
func capture(gourl string, w int64, h int64, s float64, p int64, i bool, out http.ResponseWriter) { func capture(gourl string, w int64, h int64, s float64, p int64, i bool, c string, out http.ResponseWriter) {
var nodes []*cdp.Node var nodes []*cdp.Node
ctxx := chromedp.FromContext(ctx) ctxx := chromedp.FromContext(ctx)
var pngbuf []byte var pngbuf []byte
@ -158,7 +158,7 @@ func capture(gourl string, w int64, h int64, s float64, p int64, i bool, out htt
is := make([]Ismap, 0) is := make([]Ismap, 0)
var istr string var istr string
log.Printf("Processing Caputure Request for %s\n", gourl) log.Printf("%s Processing Caputure Request for %s\n", c, gourl)
// Run ChromeDP Magic // Run ChromeDP Magic
err := chromedp.Run(ctx, err := chromedp.Run(ctx,
@ -171,32 +171,32 @@ func capture(gourl string, w int64, h int64, s float64, p int64, i bool, out htt
chromedp.Nodes("a", &nodes, chromedp.ByQueryAll)) chromedp.Nodes("a", &nodes, chromedp.ByQueryAll))
if err != nil { if err != nil {
log.Printf("%s", err) log.Printf("%s %s", c, err)
fmt.Fprintf(out, "<BR>%s<BR>", err) fmt.Fprintf(out, "<BR>%s<BR>", err)
return return
} }
log.Printf("Landed on: %s, Nodes: %d\n", loc, len(nodes)) log.Printf("%s Landed on: %s, Nodes: %d\n", c, loc, len(nodes))
// Process Screenshot Image // Process Screenshot Image
bytes.NewReader(pngbuf).Seek(0, 0) bytes.NewReader(pngbuf).Seek(0, 0)
img, err := png.Decode(bytes.NewReader(pngbuf)) img, err := png.Decode(bytes.NewReader(pngbuf))
if err != nil { if err != nil {
log.Printf("Failed to decode screenshot: %s\n", err) log.Printf("%s Failed to decode screenshot: %s\n", c, err)
fmt.Fprintf(out, "<BR>Unable to decode page screenshot:<BR>%s<BR>\n", err) fmt.Fprintf(out, "<BR>Unable to decode page screenshot:<BR>%s<BR>\n", err)
return return
} }
gifbuf.Reset() gifbuf.Reset()
err = gif.Encode(&gifbuf, img, nil) err = gif.Encode(&gifbuf, img, nil)
if err != nil { if err != nil {
log.Printf("Failed to encode GIF: %s\n", err) log.Printf("%s Failed to encode GIF: %s\n", c, err)
fmt.Fprintf(out, "<BR>Unable to encode GIF:<BR>%s<BR>\n", err) fmt.Fprintf(out, "<BR>Unable to encode GIF:<BR>%s<BR>\n", err)
return return
} }
seq := rand.Intn(9999) seq := rand.Intn(9999)
imgpath := fmt.Sprintf("/img/%04d.gif", seq) imgpath := fmt.Sprintf("/img/%04d.gif", seq)
mappath := fmt.Sprintf("/map/%04d.map", seq) mappath := fmt.Sprintf("/map/%04d.map", seq)
log.Printf("Encoded GIF image: %s, Size: %dKB\n", imgpath, len(gifbuf.Bytes())/1024) log.Printf("%s Encoded GIF image: %s, Size: %dKB\n", c, imgpath, len(gifbuf.Bytes())/1024)
gifmap[imgpath] = gifbuf gifmap[imgpath] = gifbuf
// Process Nodes // Process Nodes
@ -233,11 +233,13 @@ func capture(gourl string, w int64, h int64, s float64, p int64, i bool, out htt
} }
} }
if !i { if i {
log.Printf("%s Encoded ISMAP %s\n", c, mappath)
} else {
fmt.Fprintf(out, "</MAP>\n") fmt.Fprintf(out, "</MAP>\n")
} }
out.(http.Flusher).Flush() out.(http.Flusher).Flush()
log.Printf("Done with caputure for %s\n", gourl) log.Printf("%s Done with caputure for %s\n", c, gourl)
ismap[mappath] = is ismap[mappath] = is
} }