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audit.go
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audit.go
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// Copyright (c) 2022-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package main
import (
"encoding/json"
"fmt"
"net/http"
)
// httpResponse holds data returned to API clients.
// JSON fields are overridden to be compliant with what MM server would return.
type httpResponse struct {
Msg string `json:"message,omitempty"`
Err string `json:"detailed_error,omitempty"`
Code int `json:"status_code"`
}
func (r httpResponse) isEmpty() bool {
return r == httpResponse{}
}
func (p *Plugin) httpResponseHandler(res *httpResponse, w http.ResponseWriter) {
if res.Err != "" && res.Msg == "" {
res.Msg = res.Err
res.Err = ""
}
if !res.isEmpty() {
if res.Code != 0 {
w.WriteHeader(res.Code)
}
if res.Code != http.StatusNoContent {
w.Header().Add("Content-Type", "application/json")
if err := json.NewEncoder(w).Encode(res); err != nil {
p.LogError(fmt.Sprintf("failed to encode data: %s", err))
}
}
}
}
func (p *Plugin) httpAudit(handler string, res *httpResponse, w http.ResponseWriter, r *http.Request) {
logFields := reqAuditFields(r)
if res.Err != "" {
logFields = append(logFields, "error", res.Err, "code", res.Code, "status", "fail")
} else {
logFields = append(logFields, "code", res.Code, "status", "success")
}
p.httpResponseHandler(res, w)
p.LogDebug(handler, logFields...)
}
func reqAuditFields(req *http.Request) []interface{} {
fields := []interface{}{
"remoteAddr", req.RemoteAddr,
"method", req.Method,
"url", req.URL.String(),
"header", fmt.Sprintf("%+v", req.Header),
"host", req.Host,
}
return fields
}