119 lines
3.3 KiB
Go
119 lines
3.3 KiB
Go
package router
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import (
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"net"
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"net/http"
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"path/filepath"
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"github.com/dcarrillo/whatismyip/internal/httputils"
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"github.com/dcarrillo/whatismyip/internal/setting"
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"github.com/dcarrillo/whatismyip/service"
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"github.com/gin-gonic/gin"
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)
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// JSONResponse maps data as json
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type JSONResponse struct {
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IP string `json:"ip"`
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IPVersion byte `json:"ip_version"`
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ClientPort string `json:"client_port"`
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Country string `json:"country"`
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CountryCode string `json:"country_code"`
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City string `json:"city"`
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Latitude float64 `json:"latitude"`
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Longitude float64 `json:"longitude"`
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PostalCode string `json:"postal_code"`
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TimeZone string `json:"time_zone"`
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ASN uint `json:"asn"`
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ASNOrganization string `json:"asn_organization"`
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Host string `json:"host"`
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Headers http.Header `json:"headers"`
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}
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func getRoot(ctx *gin.Context) {
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switch ctx.NegotiateFormat(gin.MIMEPlain, gin.MIMEHTML, gin.MIMEJSON) {
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case gin.MIMEHTML:
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name := "home"
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if setting.App.TemplatePath != "" {
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name = filepath.Base(setting.App.TemplatePath)
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}
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ctx.HTML(http.StatusOK, name, jsonOutput(ctx))
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case gin.MIMEJSON:
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getJSON(ctx)
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default:
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ctx.String(http.StatusOK, ctx.ClientIP()+"\n")
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}
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}
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func getClientPort(ctx *gin.Context) string {
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var port string
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if setting.App.TrustedPortHeader == "" {
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if setting.App.TrustedHeader != "" {
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port = "unknown"
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} else {
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_, port, _ = net.SplitHostPort(ctx.Request.RemoteAddr)
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}
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} else {
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port = ctx.GetHeader(setting.App.TrustedPortHeader)
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if port == "" {
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port = "unknown"
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}
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}
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return port
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}
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func getClientPortAsString(ctx *gin.Context) {
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ctx.String(http.StatusOK, getClientPort(ctx)+"\n")
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}
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func getAllAsString(ctx *gin.Context) {
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output := "IP: " + ctx.ClientIP() + "\n"
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output += "Client Port: " + getClientPort(ctx) + "\n"
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r := service.Geo{IP: net.ParseIP(ctx.ClientIP())}
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if record := r.LookUpCity(); record != nil {
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output += geoCityRecordToString(record) + "\n"
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}
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if record := r.LookUpASN(); record != nil {
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output += geoASNRecordToString(record) + "\n"
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}
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h := httputils.GetHeadersWithoutTrustedHeaders(ctx)
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h.Set("Host", ctx.Request.Host)
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output += httputils.HeadersToSortedString(h)
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ctx.String(http.StatusOK, output)
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}
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func getJSON(ctx *gin.Context) {
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ctx.JSON(http.StatusOK, jsonOutput(ctx))
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}
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func jsonOutput(ctx *gin.Context) JSONResponse {
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ip := service.Geo{IP: net.ParseIP(ctx.ClientIP())}
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asnRecord := ip.LookUpASN()
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cityRecord := ip.LookUpCity()
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var version byte = 4
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if p := net.ParseIP(ctx.ClientIP()).To4(); p == nil {
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version = 6
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}
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return JSONResponse{
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IP: ctx.ClientIP(),
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IPVersion: version,
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ClientPort: getClientPort(ctx),
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Country: cityRecord.Country.Names["en"],
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CountryCode: cityRecord.Country.ISOCode,
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City: cityRecord.City.Names["en"],
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Latitude: cityRecord.Location.Latitude,
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Longitude: cityRecord.Location.Longitude,
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PostalCode: cityRecord.Postal.Code,
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TimeZone: cityRecord.Location.TimeZone,
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ASN: asnRecord.AutonomousSystemNumber,
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ASNOrganization: asnRecord.AutonomousSystemOrganization,
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Host: ctx.Request.Host,
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Headers: httputils.GetHeadersWithoutTrustedHeaders(ctx),
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}
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}
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