138 lines
3.1 KiB
Go
138 lines
3.1 KiB
Go
package httpd
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import (
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"encoding/hex"
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"errors"
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"fmt"
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"net"
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"net/http"
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"time"
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"github.com/go-chi/render"
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"github.com/drakkan/sftpgo/v2/common"
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)
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func getDefenderHosts(w http.ResponseWriter, r *http.Request) {
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r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
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hosts := common.GetDefenderHosts()
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if hosts == nil {
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render.JSON(w, r, make([]common.DefenderEntry, 0))
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return
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}
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render.JSON(w, r, hosts)
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}
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func getDefenderHostByID(w http.ResponseWriter, r *http.Request) {
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r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
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ip, err := getIPFromID(r)
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if err != nil {
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sendAPIResponse(w, r, err, "", http.StatusBadRequest)
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return
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}
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host, err := common.GetDefenderHost(ip)
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if err != nil {
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sendAPIResponse(w, r, err, "", getRespStatus(err))
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return
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}
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render.JSON(w, r, host)
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}
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func deleteDefenderHostByID(w http.ResponseWriter, r *http.Request) {
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r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
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ip, err := getIPFromID(r)
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if err != nil {
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sendAPIResponse(w, r, err, "", http.StatusBadRequest)
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return
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}
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if !common.DeleteDefenderHost(ip) {
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sendAPIResponse(w, r, nil, "Not found", http.StatusNotFound)
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return
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}
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sendAPIResponse(w, r, nil, "OK", http.StatusOK)
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}
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func getBanTime(w http.ResponseWriter, r *http.Request) {
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r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
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ip := r.URL.Query().Get("ip")
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err := validateIPAddress(ip)
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if err != nil {
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sendAPIResponse(w, r, err, "", http.StatusBadRequest)
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return
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}
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banStatus := make(map[string]*string)
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banTime := common.GetDefenderBanTime(ip)
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var banTimeString *string
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if banTime != nil {
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rfc3339String := banTime.UTC().Format(time.RFC3339)
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banTimeString = &rfc3339String
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}
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banStatus["date_time"] = banTimeString
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render.JSON(w, r, banStatus)
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}
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func getScore(w http.ResponseWriter, r *http.Request) {
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r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
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ip := r.URL.Query().Get("ip")
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err := validateIPAddress(ip)
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if err != nil {
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sendAPIResponse(w, r, err, "", http.StatusBadRequest)
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return
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}
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scoreStatus := make(map[string]int)
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scoreStatus["score"] = common.GetDefenderScore(ip)
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render.JSON(w, r, scoreStatus)
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}
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func unban(w http.ResponseWriter, r *http.Request) {
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r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
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var postBody map[string]string
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err := render.DecodeJSON(r.Body, &postBody)
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if err != nil {
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sendAPIResponse(w, r, err, "", http.StatusBadRequest)
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return
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}
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ip := postBody["ip"]
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err = validateIPAddress(ip)
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if err != nil {
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sendAPIResponse(w, r, err, "", http.StatusBadRequest)
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return
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}
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if common.DeleteDefenderHost(ip) {
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sendAPIResponse(w, r, nil, "OK", http.StatusOK)
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} else {
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sendAPIResponse(w, r, nil, "Not found", http.StatusNotFound)
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}
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}
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func getIPFromID(r *http.Request) (string, error) {
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decoded, err := hex.DecodeString(getURLParam(r, "id"))
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if err != nil {
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return "", errors.New("invalid host id")
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}
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ip := string(decoded)
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err = validateIPAddress(ip)
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if err != nil {
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return "", err
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}
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return ip, nil
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}
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func validateIPAddress(ip string) error {
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if ip == "" {
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return errors.New("ip address is required")
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}
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if net.ParseIP(ip) == nil {
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return fmt.Errorf("ip address %#v is not valid", ip)
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}
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return nil
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}
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