mirror of https://github.com/grafana/grafana.git
89 lines
2.3 KiB
Go
89 lines
2.3 KiB
Go
// Copyright 2013 Martini Authors
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// Copyright 2014 Unknwon
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//
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// Licensed under the Apache License, Version 2.0 (the "License"): you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations
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// under the License.
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package middleware
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import (
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"net/http"
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"net/url"
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"time"
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"github.com/grafana/grafana/pkg/infra/tracing"
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"github.com/grafana/grafana/pkg/models"
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"github.com/grafana/grafana/pkg/services/contexthandler"
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"github.com/grafana/grafana/pkg/setting"
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"github.com/grafana/grafana/pkg/web"
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)
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func Logger(cfg *setting.Cfg) web.Handler {
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return func(res http.ResponseWriter, req *http.Request, c *web.Context) {
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start := time.Now()
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rw := res.(web.ResponseWriter)
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c.Next()
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timeTaken := time.Since(start) / time.Millisecond
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duration := time.Since(start).String()
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ctx := contexthandler.FromContext(c.Req.Context())
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if ctx != nil && ctx.PerfmonTimer != nil {
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ctx.PerfmonTimer.Observe(float64(timeTaken))
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}
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status := rw.Status()
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if status == 200 || status == 304 {
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if !cfg.RouterLogging {
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return
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}
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}
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if ctx != nil {
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logParams := []interface{}{
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"method", req.Method,
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"path", req.URL.Path,
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"status", status,
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"remote_addr", c.RemoteAddr(),
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"time_ms", int64(timeTaken),
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"duration", duration,
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"size", rw.Size(),
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"referer", sanitizeURL(ctx, req.Referer()),
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}
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traceID := tracing.TraceIDFromContext(ctx.Req.Context(), false)
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if traceID != "" {
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logParams = append(logParams, "traceID", traceID)
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}
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if status >= 500 {
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ctx.Logger.Error("Request Completed", logParams...)
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} else {
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ctx.Logger.Info("Request Completed", logParams...)
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}
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}
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}
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}
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func sanitizeURL(ctx *models.ReqContext, s string) string {
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if s == "" {
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return s
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}
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u, err := url.ParseRequestURI(s)
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if err != nil {
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ctx.Logger.Warn("Received invalid referer in request headers, removed for log forgery prevention")
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return ""
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}
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return u.String()
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}
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