Esempio n. 1
0
// setup sets up the logging middleware.
func setup(c *caddy.Controller) error {
	rules, err := logParse(c)
	if err != nil {
		return err
	}

	// Open the log files for writing when the server starts
	c.OnStartup(func() error {
		for i := 0; i < len(rules); i++ {
			var err error
			var writer io.Writer

			if rules[i].OutputFile == "stdout" {
				writer = os.Stdout
			} else if rules[i].OutputFile == "stderr" {
				writer = os.Stderr
			} else if rules[i].OutputFile == "syslog" {
				writer, err = gsyslog.NewLogger(gsyslog.LOG_INFO, "LOCAL0", "caddy")
				if err != nil {
					return err
				}
			} else {
				var file *os.File
				file, err = os.OpenFile(rules[i].OutputFile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
				if err != nil {
					return err
				}
				if rules[i].Roller != nil {
					file.Close()
					rules[i].Roller.Filename = rules[i].OutputFile
					writer = rules[i].Roller.GetLogWriter()
				} else {
					rules[i].file = file
					writer = file
				}
			}

			rules[i].Log = log.New(writer, "", 0)
		}

		return nil
	})

	// When server stops, close any open log files
	c.OnShutdown(func() error {
		for _, rule := range rules {
			if rule.file != nil {
				rule.file.Close()
			}
		}
		return nil
	})

	httpserver.GetConfig(c).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
		return Logger{Next: next, Rules: rules, ErrorFunc: httpserver.DefaultErrorFunc}
	})

	return nil
}
Esempio n. 2
0
// setup used internally by Caddy to set up this middleware
func setup(c *caddy.Controller) error {
	mc, err := parse(c)
	if err != nil {
		return err
	}

	if c.ServerBlockKeyIndex == 0 {
		// only run when the first hostname has been loaded.
		if mc.maillog, err = mc.maillog.Init(c.ServerBlockKeys...); err != nil {
			return err
		}
		if err = mc.loadFromEnv(); err != nil {
			return err
		}
		if err = mc.loadPGPKeys(); err != nil {
			return err
		}
		if err = mc.loadTemplate(); err != nil {
			return err
		}
		if err = mc.pingSMTP(); err != nil {
			return err
		}

		c.ServerBlockStorage = newHandler(mc, startMailDaemon(mc))
	}

	c.OnShutdown(func() error {
		if moh, ok := c.ServerBlockStorage.(*handler); ok {
			if moh.reqPipe != nil {
				close(moh.reqPipe)
				moh.reqPipe = nil
			}
		}
		return nil
	})

	fmt.Printf("%#v\n\n", c)

	if moh, ok := c.ServerBlockStorage.(*handler); ok { // moh = mailOutHandler ;-)
		httpserver.GetConfig(c).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
			moh.Next = next
			return moh
		})
		return nil
	}
	return errors.New("[mailout] Could not create the middleware handler")
}
Esempio n. 3
0
// setup configures a new errors middleware instance.
func setup(c *caddy.Controller) error {
	handler, err := errorsParse(c)
	if err != nil {
		return err
	}

	// Open the log file for writing when the server starts
	c.OnStartup(func() error {
		var err error
		var writer io.Writer

		switch handler.LogFile {
		case "visible":
			handler.Debug = true
		case "stdout":
			writer = os.Stdout
		case "stderr":
			writer = os.Stderr
		case "syslog":
			writer, err = gsyslog.NewLogger(gsyslog.LOG_ERR, "LOCAL0", "caddy")
			if err != nil {
				return err
			}
		default:
			if handler.LogFile == "" {
				writer = os.Stderr // default
				break
			}

			var file *os.File
			file, err = os.OpenFile(handler.LogFile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
			if err != nil {
				return err
			}
			if handler.LogRoller != nil {
				file.Close()
				handler.LogRoller.Filename = handler.LogFile
				writer = handler.LogRoller.GetLogWriter()
			} else {
				handler.file = file
				writer = file
			}
		}

		handler.Log = log.New(writer, "", 0)
		return nil
	})

	// When server stops, close any open log file
	c.OnShutdown(func() error {
		if handler.file != nil {
			handler.file.Close()
		}
		return nil
	})

	httpserver.GetConfig(c).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
		handler.Next = next
		return handler
	})

	return nil
}