func FetchAndDecodeJSON(r *http.Request, surl, knownProtocol string, lg loghttp.FuncBufUniv, fs fsi.FileSystem) []repo.FullArticle {
fullURL := fmt.Sprintf("%s%s?%s=%s&cnt=%v&prot=%v", routes.AppHost(), routes.FetchSimilarURI,
routes.URLParamKey, surl, numTotal-1, knownProtocol)
// fullURL = fmt.Sprintf("%s%s?%s=%s&cnt=%v", r.URL.Host, repo.routes.FetchSimilarURI,
// routes.URLParamKey, surl, numTotal-1)
lg("lo fetching %v", fullURL)
start := time.Now()
fo := fetch.Options{}
fo.URL = fullURL
bJSON, inf, err := fetch.UrlGetter(r, fo)
_ = inf
lg(err)
if err != nil {
lg("msg %v", inf.Msg)
return nil
}
if len(bJSON) == 0 {
lg("empty bJSON")
return nil
}
lg("\t\tfetch resp complete after %4.2v secs; %vkB", time.Now().Sub(start).Seconds(), len(bJSON)/1024)
var mp map[string][]byte
err = json.Unmarshal(bJSON, &mp)
lg(err)
if err != nil {
if _, ok := mp["msg"]; ok {
lg("%s", mp["msg"])
} else {
lg("%s", bJSON)
}
return nil
}
smaxFound := string(mp["lensimilar"])
maxFound := util.Stoi(smaxFound)
if maxFound < numTotal-1 {
lg("not enough files returned by FetchSimilar 1 - mp[lensimilar] too small: %s", mp["lensimilar"])
return nil
}
least3Files := make([]repo.FullArticle, maxFound+1)
_, ok1 := mp["url_self"]
_, ok2 := mp["mod_self"]
_, ok3 := mp["bod_self"]
if ok1 && ok2 && ok3 {
least3Files[0].Url = string(mp["url_self"])
least3Files[0].Mod, err = time.Parse(http.TimeFormat, string(mp["mod_self"]))
lg(err)
least3Files[0].Body = mp["bod_self"]
if len(least3Files[0].Body) < 200 {
if !bytes.Contains(least3Files[0].Body, []byte(fetch.MsgNoRdirects)) {
lg("found base but its a redirect")
return nil
}
}
}
lg("found base")
for k, v := range mp {
if k == "msg" {
continue
}
if strings.HasSuffix(k, "self") {
continue
}
if strings.HasPrefix(k, "url__") {
sval := strings.TrimPrefix(k, "url__")
val := util.Stoi(sval)
// lg("%v %v %s", sval, val, v)
least3Files[val+1].Url = string(v)
}
if strings.HasPrefix(k, "mod__") {
sval := strings.TrimPrefix(k, "mod__")
val := util.Stoi(sval)
// lg("%v %v %s", sval, val, v)
least3Files[val+1].Mod, err = time.Parse(http.TimeFormat, string(v))
lg(err)
}
if strings.HasPrefix(k, "bod__") {
sval := strings.TrimPrefix(k, "bod__")
val := util.Stoi(sval)
least3Files[val+1].Body = v //html.EscapeString(string(v)
}
}
lg("found %v similar; decoding complete after %4.2v secs", maxFound, time.Now().Sub(start).Seconds())
for _, v := range least3Files {
lg("%v %v", v.Url, len(v.Body))
}
return least3Files
}
func fetchSimForm(w http.ResponseWriter, r *http.Request, m map[string]interface{}) {
lg, b := loghttp.BuffLoggerUniversal(w, r)
closureOverBuf := func(bUnused *bytes.Buffer) {
loghttp.Pf(w, r, b.String())
}
defer closureOverBuf(b) // the argument is ignored,
r.Header.Set("X-Custom-Header-Counter", "nocounter")
// on live server => always use https
if r.URL.Scheme != "https" && !util_appengine.IsLocalEnviron() {
r.URL.Scheme = "https"
r.URL.Host = r.Host
lg("lo - redirect %v", r.URL.String())
http.Redirect(w, r, r.URL.String(), http.StatusFound)
}
err := r.ParseForm()
lg(err)
rURL := ""
if r.FormValue(routes.URLParamKey) != "" {
rURL = r.FormValue(routes.URLParamKey)
}
if len(rURL) == 0 {
wpf(b, tplx.ExecTplHelper(tplx.Head, map[string]interface{}{"HtmlTitle": "Find similar HTML URLs"}))
defer wpf(b, tplx.Foot)
tm := map[string]string{
"val": "www.welt.de/politik/ausland/article146154432/Tuerkische-Bodentruppen-marschieren-im-Nordirak-ein.html",
"fieldname": routes.URLParamKey,
}
tplForm := tt.Must(tt.New("tplName01").Parse(htmlForm))
tplForm.Execute(b, tm)
} else {
fullURL := fmt.Sprintf("https://%s%s?%s=%s&cnt=%s&prot=%s", r.Host, routes.FetchSimilarURI,
routes.URLParamKey, rURL, r.FormValue("cnt"), r.FormValue("prot"))
lg("lo - sending to URL 1: %v", fullURL)
fo := fetch.Options{}
fo.URL = fullURL
bts, inf, err := fetch.UrlGetter(r, fo)
_ = inf
lg(err)
if err != nil {
return
}
if len(bts) == 0 {
lg("empty bts")
return
}
var mp map[string][]byte
err = json.Unmarshal(bts, &mp)
lg(err)
if err != nil {
lg("%s", bts)
return
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
if _, ok := mp["msg"]; ok {
w.Write(mp["msg"])
}
for k, v := range mp {
if k != "msg" {
wpf(w, "<br><br>%s:\n", k)
if true {
wpf(w, "len %v", len(v))
} else {
wpf(w, "%s", html.EscapeString(string(v)))
}
}
}
}
}
