forked from fbl/keyserver
Compare commits
14 Commits
Author | SHA1 | Date |
---|---|---|
Robert Langhammer | 20e4f2f881 | |
Robert Langhammer | f8eb4f00c6 | |
Robert Langhammer | e7b8fbecbf | |
Robert Langhammer | 5bca3404db | |
Robert Langhammer | c55a288520 | |
Fabian Bläse | 957a08a57b | |
Robert Langhammer | 1f52b6d24d | |
Fabian Bläse | 69ad3a3efc | |
Fabian Bläse | eefd07635d | |
Johannes Kimmel | 01bd2e7e7e | |
Johannes Kimmel | dd90c74008 | |
Johannes Kimmel | 41179fbcf5 | |
Johannes Kimmel | 47cb18592a | |
Johannes Kimmel | 3e873d7232 |
|
@ -3,79 +3,68 @@ package main
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import (
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net/http"
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"os"
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)
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func main() {
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const UPSTREAM_URL = "https://keyserver.freifunk-franken.de/v2/"
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func run() error {
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var root []root
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err := os.Mkdir("hoods", 0777)
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err := os.MkdirAll("hoods", 0777)
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if err != nil {
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log.Panic(err)
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return err
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}
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req, err := http.NewRequest(http.MethodGet, "https://keyserver.freifunk-franken.de/v2/hoods.php", nil)
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res, err := http.Get(UPSTREAM_URL + "hoods.php")
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if err != nil {
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log.Panic(err)
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return err
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}
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defer res.Body.Close()
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res, err := http.DefaultClient.Do(req)
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err = json.NewDecoder(res.Body).Decode(&root)
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if err != nil {
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log.Panic(err)
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}
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body, err := io.ReadAll(res.Body)
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if err != nil {
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log.Panic(err)
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}
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err = json.Unmarshal(body, &root)
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if err != nil {
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log.Panic(err)
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return err
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}
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for _, h := range root {
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res, err := http.Get(fmt.Sprintf("%s/?hoodid=%d", UPSTREAM_URL, h.Id))
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if err != nil {
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return err
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}
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defer res.Body.Close()
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var hood Hood
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req, err := http.NewRequest(http.MethodGet, fmt.Sprintf("https://keyserver.freifunk-franken.de/v2/?hoodid=%d", h.Id), nil)
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err = json.NewDecoder(res.Body).Decode(&hood)
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if err != nil {
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log.Panic(err)
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}
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res, err := http.DefaultClient.Do(req)
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if err != nil {
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log.Panic(err)
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}
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body, err := io.ReadAll(res.Body)
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if err != nil {
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log.Panic(err)
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}
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err = json.Unmarshal(body, &hood)
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if err != nil {
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log.Panic(err)
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return err
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}
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if len(h.Polygons) == 0 {
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hood.Location = []HoodCoordinate{{Lat: h.Lat, Long: h.Long}}
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hood.Location = []GeoCoordinate{{Lat: h.Lat, Long: h.Long}}
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} else {
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hood.Location = []HoodCoordinate{}
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for _, p := range h.Polygons[0] {
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hood.Location = append(hood.Location, HoodCoordinate{Lat: p.Lat, Long: p.Long})
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}
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hood.Location = h.Polygons[0]
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}
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b, err := json.MarshalIndent(hood, "", " ")
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if err != nil {
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log.Panic(err)
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return err
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}
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err = os.WriteFile("hoods/"+hood.HoodInfo.Name+".json", b, 0666)
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if err != nil {
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log.Panic(err)
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return err
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}
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log.Printf("%s\n", hood.HoodInfo.Name)
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}
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return nil
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}
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func main() {
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if err := run(); err != nil {
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log.Fatal(err)
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}
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}
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@ -1,16 +1,16 @@
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package main
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type root struct {
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Id uint `json:"id"`
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Active uint `json:"active"`
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Name string `json:"name"`
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Lat float64 `json:"lat"`
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Long float64 `json:"lon"`
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Polygons [][]InputCoordinate `json:"polygons"`
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Id uint `json:"id"`
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Active uint `json:"active"`
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Name string `json:"name"`
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Lat float64 `json:"lat"`
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Long float64 `json:"lon"`
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Polygons [][]GeoCoordinate `json:"polygons"`
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Hood Hood
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}
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type InputCoordinate struct {
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type GeoCoordinate struct {
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Lat float64 `json:"lat"`
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Long float64 `json:"lon"`
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}
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@ -24,7 +24,7 @@ type Hood struct {
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// one coordinate: voronoi
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// two coordinates: invalid
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// three or more coordinates: polygon
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Location []HoodCoordinate `json:"location,omitempty"`
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Location []GeoCoordinate `json:"location,omitempty"`
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}
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type HoodNetwork struct {
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@ -58,8 +58,3 @@ type HoodInfo struct {
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NtpIp string `json:"ntp_ip"`
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Timestamp uint64 `json:"timestamp"`
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}
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type HoodCoordinate struct {
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Lat float64 `json:"lat"`
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Long float64 `json:"lon"`
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}
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@ -1,11 +1,15 @@
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package main
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import (
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"cmp"
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"encoding/json"
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"flag"
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"fmt"
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"log"
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"math"
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"net/http"
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"os"
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"slices"
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"strconv"
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"strings"
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"time"
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@ -13,10 +17,29 @@ import (
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geo "github.com/kellydunn/golang-geo"
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)
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var hoodDir string = "/home/fbl/Desktop/keyserver/hoods"
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var hoods []Hood
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const EARTH_RADIUS = 6371
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func hoodVoronoi(lat, long float64) *Hood {
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func deg2rad(deg float64) float64 {
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return deg / 180 * math.Pi
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}
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func distanceHaversine(lat1, lon1, lat2, lon2 float64) float64 {
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lat1 = deg2rad(lat1)
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lat2 = deg2rad(lat2)
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lon1 = deg2rad(lon1)
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lon2 = deg2rad(lon2)
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alpha := (lat1 - lat2) * 0.5
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beta := (lon1 - lon2) * 0.5
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a := math.Sin(alpha)*math.Sin(alpha) + math.Cos(lat1)*math.Cos(lat2)*math.Sin(beta)*math.Sin(beta)
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c := math.Asin(math.Min(1, math.Sqrt(a)))
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distance := 2 * EARTH_RADIUS * c
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return distance
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}
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func hoodVoronoi(hoods []Hood, lat, long float64) *Hood {
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var best *Hood
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var bestDist float64 = math.MaxFloat64
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@ -25,8 +48,7 @@ func hoodVoronoi(lat, long float64) *Hood {
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continue
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}
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dist := math.Pow(lat-hood.Location[0].Lat, 2) + math.Pow(long-hood.Location[0].Long, 2)
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dist = math.Sqrt(dist)
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dist := distanceHaversine(lat, long, hood.Location[0].Lat, hood.Location[0].Long)
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if dist < bestDist {
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best = &hoods[i]
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@ -37,7 +59,7 @@ func hoodVoronoi(lat, long float64) *Hood {
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return best
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}
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func hoodPoly(lat, long float64) *Hood {
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func hoodPoly(hoods []Hood, lat, long float64) *Hood {
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var matches []*Hood
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var best *Hood
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@ -77,7 +99,7 @@ func hoodPoly(lat, long float64) *Hood {
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return best
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}
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func hoodId(id uint64) *Hood {
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func hoodId(hoods []Hood, id uint64) *Hood {
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for _, hood := range hoods {
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if hood.HoodInfo.Id == id {
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return &hood
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@ -87,13 +109,17 @@ func hoodId(id uint64) *Hood {
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return nil
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}
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func keyserverV2Time(w http.ResponseWriter, r *http.Request) {
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start := time.Now()
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func logRequestDuration(h http.Handler) http.Handler {
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return http.HandlerFunc(
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func(w http.ResponseWriter, r *http.Request) {
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start := time.Now()
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keyserverV2(w, r)
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h.ServeHTTP(w, r)
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duration := time.Since(start)
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log.Printf("Processed request in %s", duration)
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duration := time.Since(start)
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log.Printf("Processed request in %s", duration)
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},
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)
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}
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func httpHeader(w http.ResponseWriter, r *http.Request, statusCode int) {
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@ -101,91 +127,134 @@ func httpHeader(w http.ResponseWriter, r *http.Request, statusCode int) {
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w.WriteHeader(statusCode)
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}
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func keyserverV2(w http.ResponseWriter, r *http.Request) {
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hoodid := r.URL.Query().Get("hoodid")
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lat := r.URL.Query().Get("lat")
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long := r.URL.Query().Get("long")
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lon := r.URL.Query().Get("lon")
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var hood *Hood = hoodId(0)
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func keyserverV2Handler(hoods []Hood) http.Handler {
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return http.HandlerFunc(
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func(w http.ResponseWriter, r *http.Request) {
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hoodid := r.URL.Query().Get("hoodid")
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lat := r.URL.Query().Get("lat")
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long := r.URL.Query().Get("long")
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lon := r.URL.Query().Get("lon")
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var hood *Hood = hoodId(hoods, 0)
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if lon != "" && long != "" {
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httpHeader(w, r, http.StatusBadRequest)
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return
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}
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if lon != "" && long != "" {
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httpHeader(w, r, http.StatusBadRequest)
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return
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}
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if lon != "" {
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long = lon
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}
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if lon != "" {
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long = lon
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}
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if hoodid != "" {
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id, err := strconv.ParseUint(hoodid, 10, 64)
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if err != nil {
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httpHeader(w, r, http.StatusBadRequest)
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return
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}
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hood = hoodId(id)
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}
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if hoodid != "" {
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id, err := strconv.ParseUint(hoodid, 10, 64)
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if err != nil {
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httpHeader(w, r, http.StatusBadRequest)
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return
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}
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hood = hoodId(hoods, id)
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}
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if lat != "" {
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if long == "" {
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httpHeader(w, r, http.StatusBadRequest)
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return
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}
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if lat != "" {
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if long == "" {
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httpHeader(w, r, http.StatusBadRequest)
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return
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}
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// parse numbers
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lat := strings.Replace(lat, ",", ".", -1)
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long := strings.Replace(long, ",", ".", -1)
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// parse numbers
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lat := strings.Replace(lat, ",", ".", -1)
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long := strings.Replace(long, ",", ".", -1)
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latF, err := strconv.ParseFloat(lat, 64)
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if err != nil {
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httpHeader(w, r, http.StatusBadRequest)
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return
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}
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longF, err := strconv.ParseFloat(long, 64)
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if err != nil {
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httpHeader(w, r, http.StatusBadRequest)
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return
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}
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latF, err := strconv.ParseFloat(lat, 64)
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if err != nil {
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httpHeader(w, r, http.StatusBadRequest)
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return
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}
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longF, err := strconv.ParseFloat(long, 64)
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if err != nil {
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httpHeader(w, r, http.StatusBadRequest)
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return
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}
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hoodP := hoodPoly(latF, longF)
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hood = hoodVoronoi(latF, longF)
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hoodP := hoodPoly(hoods, latF, longF)
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hood = hoodVoronoi(hoods, latF, longF)
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if hoodP != nil {
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hood = hoodP
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}
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if hoodP != nil {
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hood = hoodP
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}
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if hood == nil {
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httpHeader(w, r, http.StatusInternalServerError)
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return
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}
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} else if long != "" {
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httpHeader(w, r, http.StatusBadRequest)
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return
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}
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if hood == nil {
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httpHeader(w, r, http.StatusInternalServerError)
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return
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}
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} else if long != "" {
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httpHeader(w, r, http.StatusBadRequest)
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return
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}
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if hood == nil {
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log.Print("No hood found")
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httpHeader(w, r, http.StatusNotFound)
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return
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}
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if hood == nil {
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log.Print("No hood found")
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httpHeader(w, r, http.StatusNotFound)
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return
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}
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b, err := json.MarshalIndent(hood, "", " ")
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if err != nil {
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log.Printf("Marshaling error: %s", err)
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httpHeader(w, r, http.StatusInternalServerError)
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return
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}
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w.Header().Add("Content-Type", "application/json; charset=utf-8")
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w.Write(b)
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b, err := json.MarshalIndent(hood, "", " ")
|
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if err != nil {
|
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log.Printf("Marshaling error: %s", err)
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httpHeader(w, r, http.StatusInternalServerError)
|
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return
|
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}
|
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w.Header().Add("Content-Type", "application/json; charset=utf-8")
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w.Write(b)
|
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},
|
||||
)
|
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}
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func parseHoods() {
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func keyserverV2Hoods(hoods []Hood) http.Handler {
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var resp []HoodsResponseHood
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|
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for _, h := range hoods {
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hi := HoodsResponseHood{
|
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Id: h.HoodInfo.Id,
|
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Active: 1,
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Name: h.HoodInfo.Name,
|
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Essid: h.HoodInfo.Essid,
|
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}
|
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|
||||
if len(h.Location) == 1 {
|
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hi.Lat = h.Location[0].Lat
|
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hi.Lon = h.Location[0].Long
|
||||
}
|
||||
|
||||
if len(h.Location) > 1 {
|
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hi.Polygons = append(hi.Polygons, h.Location)
|
||||
}
|
||||
|
||||
resp = append(resp, hi)
|
||||
}
|
||||
|
||||
slices.SortFunc(resp, func(a, b HoodsResponseHood) int { return cmp.Compare(a.Id, b.Id) })
|
||||
|
||||
return http.HandlerFunc(
|
||||
func(w http.ResponseWriter, r *http.Request) {
|
||||
b, err := json.MarshalIndent(resp, "", " ")
|
||||
if err != nil {
|
||||
log.Printf("Marshaling error: %s", err)
|
||||
httpHeader(w, r, http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
w.Header().Add("Content-Type", "application/json; charset=utf-8")
|
||||
w.Write(b)
|
||||
},
|
||||
)
|
||||
}
|
||||
|
||||
func parseHoods(hoodDir string) ([]Hood, error) {
|
||||
var newHoods []Hood
|
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var err error
|
||||
|
||||
items, err := os.ReadDir(hoodDir)
|
||||
if err != nil {
|
||||
log.Fatalf(`Error opening dir ("%s"): %s`, hoodDir, err)
|
||||
return nil, fmt.Errorf(`Error opening dir ("%s"): %w`, hoodDir, err)
|
||||
}
|
||||
for _, item := range items {
|
||||
var tmp Hood
|
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|
@ -211,17 +280,31 @@ func parseHoods() {
|
|||
newHoods = append(newHoods, tmp)
|
||||
}
|
||||
|
||||
hoods = newHoods
|
||||
return newHoods, nil
|
||||
}
|
||||
|
||||
func blank(w http.ResponseWriter, r *http.Request) {
|
||||
|
||||
}
|
||||
|
||||
func main() {
|
||||
parseHoods()
|
||||
func run() error {
|
||||
hoodDir := flag.String("hoods", "./hoods", "Directory of hood json files")
|
||||
addr := flag.String("addr", ":8080", "HTTP listen addr")
|
||||
flag.Parse()
|
||||
|
||||
http.HandleFunc("/v2/", keyserverV2Time)
|
||||
http.HandleFunc("/v2/hoods.php", blank)
|
||||
log.Fatal(http.ListenAndServe(":8080", nil))
|
||||
hoods, err := parseHoods(*hoodDir)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
http.Handle("/v2/", logRequestDuration(keyserverV2Handler(hoods)))
|
||||
http.Handle("/v2/hoods.php", logRequestDuration(keyserverV2Hoods(hoods)))
|
||||
log.Printf("Starting HTTP Server on http://%s", *addr)
|
||||
return http.ListenAndServe(*addr, nil)
|
||||
}
|
||||
|
||||
func main() {
|
||||
if err := run(); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
}
|
||||
|
|
|
@ -20,9 +20,9 @@ type HoodVpnEndpoint struct {
|
|||
Name string `json:"name"`
|
||||
Protocol string `json:"protocol"`
|
||||
Address string `json:"address"`
|
||||
Port uint16 `json:"port"`
|
||||
Key string `json:"key"`
|
||||
Contact string `json:"contact"`
|
||||
Port uint16 `json:"port,omitempty"`
|
||||
Key string `json:"key,omitempty"`
|
||||
Contact string `json:"contact,omitempty"`
|
||||
}
|
||||
|
||||
type HoodInfo struct {
|
||||
|
@ -48,3 +48,13 @@ type HoodCoordinate struct {
|
|||
Lat float64 `json:"lat"`
|
||||
Long float64 `json:"lon"`
|
||||
}
|
||||
|
||||
type HoodsResponseHood struct {
|
||||
Id uint64 `json:"id"`
|
||||
Active uint `json:"active"`
|
||||
Name string `json:"name"`
|
||||
Essid string `json:"essid_ap"`
|
||||
Lat float64 `json:"lat,omitempty"`
|
||||
Lon float64 `json:"lon,omitempty"`
|
||||
Polygons [][]HoodCoordinate `json:"polygons,omitempty"`
|
||||
}
|
||||
|
|
|
@ -19,6 +19,12 @@
|
|||
"port": 10022,
|
||||
"key": "c43a060aa9eca8f798fe3f9003bac0b2b53ca263e44bb0aa933807063429f98e",
|
||||
"contact": "freifunk@beibecks.de"
|
||||
},
|
||||
{
|
||||
"name": "rl-fff1",
|
||||
"protocol": "vxlan",
|
||||
"address": "rl-fff1.fff.community",
|
||||
"contact": "rlanghammer@web.de"
|
||||
}
|
||||
],
|
||||
"hood": {
|
||||
|
@ -45,4 +51,4 @@
|
|||
"lon": 10.9608003
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
|
|
|
@ -19,6 +19,12 @@
|
|||
"port": 10023,
|
||||
"key": "eb0bb080203559fb8aa569ff6ab3013a3879fa381af8134c9d2d27f423478d8a",
|
||||
"contact": "freifunk@beibecks.de"
|
||||
},
|
||||
{
|
||||
"name": "rl-fff1",
|
||||
"protocol": "vxlan",
|
||||
"address": "rl-fff1.fff.community",
|
||||
"contact": "rlanghammer@web.de"
|
||||
}
|
||||
],
|
||||
"hood": {
|
||||
|
@ -45,4 +51,4 @@
|
|||
"lon": 10.80041885
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
|
|
|
@ -19,6 +19,12 @@
|
|||
"port": 10005,
|
||||
"key": "9aa3592b23b3056d41dcca2d14c0b9781344cd3eed4a7e7a01e192eddb46933a",
|
||||
"contact": "rlanghammer@web.de"
|
||||
},
|
||||
{
|
||||
"name": "rl-fff1",
|
||||
"protocol": "vxlan",
|
||||
"address": "rl-fff1.fff.community",
|
||||
"contact": "rlanghammer@web.de"
|
||||
}
|
||||
],
|
||||
"hood": {
|
||||
|
@ -45,4 +51,4 @@
|
|||
"lon": 10.347808
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
|
|
|
@ -19,6 +19,12 @@
|
|||
"port": 10002,
|
||||
"key": "a58ff2aae73eaff03c74d7360630aff60d1ae997941e0fc7545d15127134f925",
|
||||
"contact": "rlanghammer@web.de"
|
||||
},
|
||||
{
|
||||
"name": "rl-fff1",
|
||||
"protocol": "vxlan",
|
||||
"address": "rl-fff1.fff.community",
|
||||
"contact": "rlanghammer@web.de"
|
||||
}
|
||||
],
|
||||
"hood": {
|
||||
|
@ -45,4 +51,4 @@
|
|||
"lon": 10.506658
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
|
|
|
@ -19,6 +19,12 @@
|
|||
"port": 10024,
|
||||
"key": "d9c9718e169a39e5e01b6930506075e396dae4532c61854b26fa88f79720a218",
|
||||
"contact": "freifunk@beibecks.de"
|
||||
},
|
||||
{
|
||||
"name": "rl-fff1",
|
||||
"protocol": "vxlan",
|
||||
"address": "rl-fff1.fff.community",
|
||||
"contact": "rlanghammer@web.de"
|
||||
}
|
||||
],
|
||||
"hood": {
|
||||
|
@ -45,4 +51,4 @@
|
|||
"lon": 10.23419
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue