110 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			110 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
| // Copyright 2021 The Gitea Authors. All rights reserved.
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| // SPDX-License-Identifier: MIT
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| 
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| package routing
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| 
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| import (
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| 	"net/http"
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| 	"strings"
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| 	"time"
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| 
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| 	"code.gitea.io/gitea/modules/log"
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| 	"code.gitea.io/gitea/modules/web/types"
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| )
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| 
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| // NewLoggerHandler is a handler that will log routing to the router log taking account of
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| // routing information
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| func NewLoggerHandler() func(next http.Handler) http.Handler {
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| 	manager := requestRecordsManager{
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| 		requestRecords: map[uint64]*requestRecord{},
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| 	}
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| 	manager.startSlowQueryDetector(3 * time.Second)
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| 
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| 	logger := log.GetLogger("router")
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| 	manager.print = logPrinter(logger)
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| 	return manager.handler
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| }
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| 
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| var (
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| 	startMessage          = log.NewColoredValue("started  ", log.DEBUG.ColorAttributes()...)
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| 	slowMessage           = log.NewColoredValue("slow     ", log.WARN.ColorAttributes()...)
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| 	pollingMessage        = log.NewColoredValue("polling  ", log.INFO.ColorAttributes()...)
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| 	failedMessage         = log.NewColoredValue("failed   ", log.WARN.ColorAttributes()...)
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| 	completedMessage      = log.NewColoredValue("completed", log.INFO.ColorAttributes()...)
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| 	unknownHandlerMessage = log.NewColoredValue("completed", log.ERROR.ColorAttributes()...)
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| )
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| 
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| func logPrinter(logger log.Logger) func(trigger Event, record *requestRecord) {
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| 	return func(trigger Event, record *requestRecord) {
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| 		if trigger == StartEvent {
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| 			if !logger.LevelEnabled(log.TRACE) {
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| 				// for performance, if the "started" message shouldn't be logged, we just return as early as possible
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| 				// developers can set the router log level to TRACE to get the "started" request messages.
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| 				return
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| 			}
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| 			// when a request starts, we have no information about the handler function information, we only have the request path
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| 			req := record.request
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| 			logger.Trace("router: %s %v %s for %s", startMessage, log.ColoredMethod(req.Method), req.RequestURI, req.RemoteAddr)
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| 			return
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| 		}
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| 
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| 		req := record.request
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| 
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| 		// Get data from the record
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| 		record.lock.Lock()
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| 		handlerFuncInfo := record.funcInfo.String()
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| 		isLongPolling := record.isLongPolling
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| 		isUnknownHandler := record.funcInfo == nil
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| 		panicErr := record.panicError
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| 		record.lock.Unlock()
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| 
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| 		if trigger == StillExecutingEvent {
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| 			message := slowMessage
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| 			logf := logger.Warn
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| 			if isLongPolling {
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| 				logf = logger.Info
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| 				message = pollingMessage
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| 			}
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| 			logf("router: %s %v %s for %s, elapsed %v @ %s",
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| 				message,
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| 				log.ColoredMethod(req.Method), req.RequestURI, req.RemoteAddr,
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| 				log.ColoredTime(time.Since(record.startTime)),
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| 				handlerFuncInfo,
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| 			)
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| 			return
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| 		}
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| 
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| 		if panicErr != nil {
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| 			logger.Warn("router: %s %v %s for %s, panic in %v @ %s, err=%v",
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| 				failedMessage,
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| 				log.ColoredMethod(req.Method), req.RequestURI, req.RemoteAddr,
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| 				log.ColoredTime(time.Since(record.startTime)),
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| 				handlerFuncInfo,
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| 				panicErr,
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| 			)
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| 			return
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| 		}
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| 
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| 		var status int
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| 		if v, ok := record.responseWriter.(types.ResponseStatusProvider); ok {
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| 			status = v.WrittenStatus()
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| 		}
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| 		logf := logger.Info
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| 		if strings.HasPrefix(req.RequestURI, "/assets/") {
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| 			logf = logger.Trace
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| 		}
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| 		message := completedMessage
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| 		if isUnknownHandler {
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| 			logf = logger.Error
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| 			message = unknownHandlerMessage
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| 		}
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| 
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| 		logf("router: %s %v %s for %s, %v %v in %v @ %s",
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| 			message,
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| 			log.ColoredMethod(req.Method), req.RequestURI, req.RemoteAddr,
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| 			log.ColoredStatus(status), log.ColoredStatus(status, http.StatusText(status)), log.ColoredTime(time.Since(record.startTime)),
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| 			handlerFuncInfo,
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| 		)
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| 	}
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| }
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