2018-11-26 21:17:33 +01:00
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// Vikunja is a todo-list application to facilitate your life.
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// Copyright 2018 Vikunja and contributors. All rights reserved.
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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 General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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2018-10-31 13:42:38 +01:00
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package log
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2018-09-19 08:35:53 +02:00
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import (
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2019-07-06 22:12:26 +02:00
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"code.vikunja.io/api/pkg/config"
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2018-09-19 08:35:53 +02:00
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"github.com/op/go-logging"
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2019-01-25 12:40:54 +01:00
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"github.com/spf13/viper"
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"io"
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"log"
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2018-09-19 08:35:53 +02:00
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"os"
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2019-01-25 12:40:54 +01:00
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"time"
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2018-09-19 08:35:53 +02:00
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)
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2019-01-25 12:40:54 +01:00
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// ErrFmt holds the format for all the console logging
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const ErrFmt = `${time_rfc3339_nano}: ${level} ` + "\t" + `▶ ${prefix} ${short_file}:${line}`
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// WebFmt holds the format for all logging related to web requests
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const WebFmt = `${time_rfc3339_nano}: WEB ` + "\t" + `▶ ${remote_ip} ${id} ${method} ${status} ${uri} ${latency_human} - ${user_agent}`
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// Fmt is the general log format
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const Fmt = `%{color}%{time:` + time.RFC3339Nano + `}: %{level}` + "\t" + `▶ %{shortpkg}/%{shortfunc} %{id:03x}%{color:reset} %{message}`
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2018-09-20 07:31:36 +02:00
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// Log is the handler for the logger
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2018-09-19 08:35:53 +02:00
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var Log = logging.MustGetLogger("vikunja")
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2018-09-20 07:31:36 +02:00
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// InitLogger initializes the global log handler
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2018-09-19 08:35:53 +02:00
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func InitLogger() {
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if !config.LogEnabled.GetBool() {
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// Disable all logging when loggin in general is disabled, overwriting everything a user might have set.
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config.LogErrors.Set("off")
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config.LogStandard.Set("off")
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config.LogDatabase.Set("off")
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config.LogHTTP.Set("off")
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config.LogEcho.Set("off")
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return
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}
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2019-07-06 22:12:26 +02:00
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if config.LogErrors.GetString() == "file" || config.LogStandard.GetString() == "file" {
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err := os.Mkdir(config.LogPath.GetString(), 0744)
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2019-01-25 12:40:54 +01:00
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if err != nil && !os.IsExist(err) {
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log.Fatal("Could not create log folder: ", err.Error())
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}
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}
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var logBackends []logging.Backend
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// We define our two backends
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if config.LogStandard.GetString() != "off" {
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stdWriter := GetLogWriter("standard")
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stdBackend := logging.NewLogBackend(stdWriter, "", 0)
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// Set the standard backend
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logBackends = append(logBackends, logging.NewBackendFormatter(stdBackend, logging.MustStringFormatter(Fmt+"\n")))
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}
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2019-07-06 22:12:26 +02:00
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if config.LogErrors.GetString() != "off" {
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2019-01-25 12:40:54 +01:00
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errWriter := GetLogWriter("error")
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errBackend := logging.NewLogBackend(errWriter, "", 0)
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// Only warnings and more severe messages should go to the error backend
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errBackendLeveled := logging.AddModuleLevel(errBackend)
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errBackendLeveled.SetLevel(logging.WARNING, "")
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logBackends = append(logBackends, errBackendLeveled)
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}
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// Set our backends
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logging.SetBackend(logBackends...)
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}
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// GetLogWriter returns the writer to where the normal log goes, depending on the config
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func GetLogWriter(logfile string) (writer io.Writer) {
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2019-01-25 21:09:24 +01:00
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writer = os.Stderr // Set the default case to prevent nil pointer panics
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2019-01-25 12:40:54 +01:00
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switch viper.GetString("log." + logfile) {
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case "file":
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2019-07-06 22:12:26 +02:00
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f, err := os.OpenFile(config.LogPath.GetString()+"/"+logfile+".log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
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2019-01-25 12:40:54 +01:00
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if err != nil {
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log.Fatal(err)
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}
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writer = f
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2019-01-25 21:09:24 +01:00
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case "stderr":
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writer = os.Stderr
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2019-01-25 12:40:54 +01:00
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case "stdout":
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default:
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writer = os.Stdout
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}
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return
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2018-09-19 08:35:53 +02:00
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}
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