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api.go
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api.go
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/**
* OpenBmclAPI (Golang Edition)
* Copyright (C) 2023 Kevin Z <zyxkad@gmail.com>
* All rights reserved
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package main
import (
"context"
"encoding/json"
"net/http"
"strconv"
"strings"
"time"
)
func (cr *Cluster) verifyDashBoardToken(token string) bool {
return false
}
func (cr *Cluster) initAPIv0() (mux *http.ServeMux) {
mux = http.NewServeMux()
mux.HandleFunc("/", func(rw http.ResponseWriter, req *http.Request) {
writeJson(rw, http.StatusNotFound, Map{
"error": "404 not found",
"path": req.URL.Path,
})
})
mux.HandleFunc("/ping", func(rw http.ResponseWriter, req *http.Request) {
writeJson(rw, http.StatusOK, Map{
"version": BuildVersion,
"time": time.Now(),
})
})
mux.HandleFunc("/status", func(rw http.ResponseWriter, req *http.Request) {
writeJson(rw, http.StatusOK, Map{
"startAt": startTime,
"stats": &cr.stats,
"enabled": cr.enabled.Load(),
})
})
mux.HandleFunc("/log", func(rw http.ResponseWriter, req *http.Request) {
auth := req.Header.Get("Authorization")
tk, ok := strings.CutPrefix(auth, "Bearer ")
if !ok || cr.verifyDashBoardToken(tk) {
writeJson(rw, http.StatusUnauthorized, Map{
"error": "invalid authorization token",
})
return
}
rw.WriteHeader(http.StatusOK)
e := json.NewEncoder(rw)
ctx, cancel := context.WithCancel(req.Context())
defer cancel()
level := LogLevelInfo
if strings.ToLower(req.URL.Query().Get("level")) == "debug" {
level = LogLevelDebug
}
unregister := RegisterLogMonitor(level, func(ts int64, level LogLevel, log string) {
type logObj struct {
Time int64 `json:"time"`
Level string `json:"lvl"`
Log string `json:"log"`
}
var v = logObj{
Time: ts,
Level: level.String(),
Log: log,
}
if err := e.Encode(v); err != nil {
e.Encode(err.Error())
cancel()
return
}
})
defer unregister()
select {
case <-ctx.Done():
}
})
return
}
type Map = map[string]any
func writeJson(rw http.ResponseWriter, code int, data any) (err error) {
buf, err := json.Marshal(data)
if err != nil {
http.Error(rw, "Error when encoding response: "+err.Error(), http.StatusInternalServerError)
return
}
rw.Header().Set("Content-Type", "application/json")
rw.Header().Set("Content-Length", strconv.Itoa(len(buf)))
rw.WriteHeader(code)
_, err = rw.Write(buf)
return
}