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chore: callback format

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skidoodle
2024-07-05 08:19:12 +02:00
parent a579c69595
commit afb88ffeaf
1 changed files with 10 additions and 37 deletions
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39
main.go
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@@ -161,29 +161,11 @@ type dataStruct struct {
Loc string `json:"loc"`
}
var nameToField = map[string]func(dataStruct) string{
"ip": func(d dataStruct) string { return d.IP },
"hostname": func(d dataStruct) string { return d.Hostname },
"asn": func(d dataStruct) string { return d.ASN },
"organization": func(d dataStruct) string { return d.Organization },
"city": func(d dataStruct) string { return d.City },
"region": func(d dataStruct) string { return d.Region },
"country": func(d dataStruct) string { return d.Country },
"country_full": func(d dataStruct) string { return d.CountryFull },
"continent": func(d dataStruct) string { return d.Continent },
"continent_full": func(d dataStruct) string { return d.ContinentFull },
"loc": func(d dataStruct) string { return d.Loc },
}
func handler(w http.ResponseWriter, r *http.Request) {
requestedThings := strings.Split(r.URL.Path, "/")
var IPAddress, Which string
switch len(requestedThings) {
case 3:
Which = requestedThings[2]
fallthrough
case 2:
var IPAddress string
if len(requestedThings) > 1 {
IPAddress = requestedThings[1]
}
@@ -265,29 +247,20 @@ func handler(w http.ResponseWriter, r *http.Request) {
Loc: fmt.Sprintf("%.4f,%.4f", cityRecord.Location.Latitude, cityRecord.Location.Longitude),
}
if Which == "" {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
callback := r.URL.Query().Get("callback")
enableJSONP := callback != "" && len(callback) < 2000 && callbackJSONP.MatchString(callback)
if enableJSONP {
w.Write([]byte(fmt.Sprintf("/**/ typeof %s === 'function' && %s(", callback, callback)))
}
jsonData, _ := json.MarshalIndent(d, "", " ")
response := fmt.Sprintf("/**/ typeof %s === 'function' && %s(%s);", callback, callback, jsonData)
w.Write([]byte(response))
} else {
enc := json.NewEncoder(w)
enc.SetIndent("", " ")
if r.URL.Query().Get("compact") == "true" {
enc.SetIndent("", "")
}
enc.Encode(d)
if enableJSONP {
w.Write([]byte(");"))
}
} else {
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
if val := nameToField[Which]; val != nil {
w.Write([]byte(val(d)))
} else {
w.Write([]byte("undefined"))
}
}
}