logging: Add userinput and output, fix up lots

CHANGELOG.md

 * Added `USERHOST` command (thanks @vegax87).
  
 ### Changed
+* Logging is now much better and useful.
  
 ### Removed
  

irc/channel.go

 		return
 	}
 
+	client.server.logger.Log(LogDebug, "join", fmt.Sprintf("%s joined channel %s", client.nick, channel.name))
+
 	for member := range channel.members {
 		if member.capabilities[ExtendedJoin] {
 			member.Send(nil, client.nickMaskString, "JOIN", channel.name, client.account.Name, client.realname)
 		member.Send(nil, client.nickMaskString, "PART", channel.name, message)
 	}
 	channel.Quit(client)
+
+	client.server.logger.Log(LogDebug, "part", fmt.Sprintf("%s left channel %s", client.nick, channel.name))
 }
 
 func (channel *Channel) GetTopic(client *Client) {

irc/client.go

 
 		maxlenTags, maxlenRest := client.maxlens()
 
+		client.server.logger.Log(LogDebug, "userinput ", client.nick, " ->", line)
+
 		msg, err = ircmsg.ParseLineMaxLen(line, maxlenTags, maxlenRest)
 		if err == ircmsg.ErrorLineIsEmpty {
 			continue
 // SetNickname sets the very first nickname for the client.
 func (client *Client) SetNickname(nickname string) error {
 	if client.HasNick() {
-		client.server.logger.Log(LogError, "nick", client.nick, fmt.Sprintf("%s nickname already set, something is wrong with server consistency", client.nickMaskString))
+		client.server.logger.Log(LogError, "nick", fmt.Sprintf("%s nickname already set, something is wrong with server consistency", client.nickMaskString))
 		return ErrNickAlreadySet
 	}
 
 	origNickMask := client.nickMaskString
 	err := client.server.clients.Replace(client.nick, nickname, client)
 	if err == nil {
+		client.server.logger.Log(LogDebug, "nick", fmt.Sprintf("%s changed nickname to %s", client.nick, nickname))
 		client.server.whoWas.Append(client)
 		client.nick = nickname
 		client.updateNickMask()
 		return
 	}
 
+	client.server.logger.Log(LogDebug, "quit", fmt.Sprintf("%s is no longer on the server", client.nick))
+
 	// send quit/error message to client if they haven't been sent already
 	client.Quit("Connection closed")
 
 		line = line[:len(line)-3] + "\r\n"
 	}
 
+	client.server.logger.Log(LogDebug, "useroutput", client.nick, "<- ", strings.TrimRight(line, "\r\n"))
+
 	client.socket.Write(line)
 	return nil
 }

irc/logger.go

 	"os"
 	"time"
 
+	"strings"
+
 	"github.com/mgutz/ansi"
 )
 
 	}
 
 	// ensure we're capturing this logType
-	capturing := (logger.Types["*"] || logger.Types[logType]) && !logger.ExcludedTypes["*"] && !logger.ExcludedTypes[logType]
+	logTypeCleaned := strings.ToLower(strings.TrimSpace(logType))
+	capturing := (logger.Types["*"] || logger.Types[logTypeCleaned]) && !logger.ExcludedTypes["*"] && !logger.ExcludedTypes[logTypeCleaned]
 	if !capturing {
 		return
 	}

irc/server.go

 	}
 
 	// continue registration
+	server.logger.Log(LogDebug, "localconnect", fmt.Sprintf("Client registered [%s]", c.nick))
 	c.Register()
 
 	// send welcome text
 	c.RplISupport()
 	server.MOTD(c)
 	c.Send(nil, c.nickMaskString, RPL_UMODEIS, c.nick, c.ModeString())
-
-	server.logger.Log(LogDebug, "localconnect", fmt.Sprintf("Client registered [%s]", c.nick))
 }
 
 // MOTD serves the Message of the Day.

oragono.yaml

         #   password        password hashing and comparing
         #   userinput       raw lines sent by users
         #   useroutput      raw lines sent to users
-        type: "* -userinput -useroutput"
+        type: "* -userinput -useroutput -localconnect -localconnect-ip"
 
         # one of: debug info warn error
-        level: warn
+        level: info
+    -
+        # avoid logging IP addresses to file
+        method: stderr
+        type: localconnect localconnect-ip
+        level: debug
 
 # datastore configuration
 datastore: