93 lines
2.4 KiB
Go
93 lines
2.4 KiB
Go
// Copyright (C) 2019 Nicola Murino
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published
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// by the Free Software Foundation, version 3.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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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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"github.com/go-chi/render"
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"github.com/drakkan/sftpgo/v2/internal/common"
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"github.com/drakkan/sftpgo/v2/internal/dataprovider"
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"github.com/drakkan/sftpgo/v2/internal/util"
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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, err := common.GetDefenderHosts()
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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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if hosts == nil {
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render.JSON(w, r, make([]dataprovider.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 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 := util.BytesToString(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 net.ParseIP(ip) == nil {
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return fmt.Errorf("ip address %q is not valid", ip)
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}
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return nil
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}
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