Split utils out to a separate subpackage

irc/client.go

@@ -21,6 +21,7 @@ import (
 	ident "github.com/oragono/go-ident"
 	"github.com/oragono/oragono/irc/caps"
 	"github.com/oragono/oragono/irc/sno"
+	"github.com/oragono/oragono/irc/utils"
 )
 
 const (
@@ -153,7 +154,7 @@ func (client *Client) IP() net.IP {
 		return net.ParseIP(client.proxiedIP)
 	}
 
-	return net.ParseIP(IPString(client.socket.conn.RemoteAddr()))
+	return net.ParseIP(utils.IPString(client.socket.conn.RemoteAddr()))
 }
 
 // IPString returns the IP address of this client as a string.
@@ -197,7 +198,7 @@ func (client *Client) run() {
 
 	// Set the hostname for this client
 	// (may be overridden by a later PROXY command from stunnel)
-	client.rawHostname = AddrLookupHostname(client.socket.conn.RemoteAddr())
+	client.rawHostname = utils.AddrLookupHostname(client.socket.conn.RemoteAddr())
 
 	for {
 		line, err = client.socket.Read()
@@ -451,7 +452,7 @@ func (client *Client) AllNickmasks() []string {
 		masks = append(masks, mask)
 	}
 
-	mask2, err := Casefold(fmt.Sprintf("%s!%s@%s", client.nick, client.username, IPString(client.socket.conn.RemoteAddr())))
+	mask2, err := Casefold(fmt.Sprintf("%s!%s@%s", client.nick, client.username, utils.IPString(client.socket.conn.RemoteAddr())))
 	if err == nil && mask2 != mask {
 		masks = append(masks, mask2)
 	}

irc/config.go

@@ -16,6 +16,7 @@ import (
 
 	"github.com/oragono/oragono/irc/custime"
 	"github.com/oragono/oragono/irc/logger"
+	"github.com/oragono/oragono/irc/utils"
 
 	"code.cloudfoundry.org/bytefmt"
 
@@ -383,7 +384,7 @@ func LoadConfig(filename string) (config *Config, err error) {
 	if config.Server.Name == "" {
 		return nil, errors.New("Server name missing")
 	}
-	if !IsHostname(config.Server.Name) {
+	if !utils.IsHostname(config.Server.Name) {
 		return nil, errors.New("Server name must match the format of a hostname")
 	}
 	if config.Datastore.Path == "" {

irc/monitor.go

@@ -10,6 +10,7 @@ import (
 	"sync"
 
 	"github.com/goshuirc/irc-go/ircmsg"
+	"github.com/oragono/oragono/irc/utils"
 )
 
 // MonitorManager keeps track of who's monitoring which nicks.
@@ -218,7 +219,7 @@ func monitorListHandler(server *Server, client *Client, msg ircmsg.IrcMessage) b
 		nickList = append(nickList, replynick)
 	}
 
-	for _, line := range argsToStrings(maxLastArgLength, nickList, ",") {
+	for _, line := range utils.ArgsToStrings(maxLastArgLength, nickList, ",") {
 		client.Send(nil, server.name, RPL_MONLIST, client.getNick(), line)
 	}
 
@@ -243,12 +244,12 @@ func monitorStatusHandler(server *Server, client *Client, msg ircmsg.IrcMessage)
 	}
 
 	if len(online) > 0 {
-		for _, line := range argsToStrings(maxLastArgLength, online, ",") {
+		for _, line := range utils.ArgsToStrings(maxLastArgLength, online, ",") {
 			client.Send(nil, server.name, RPL_MONONLINE, client.getNick(), line)
 		}
 	}
 	if len(offline) > 0 {
-		for _, line := range argsToStrings(maxLastArgLength, offline, ",") {
+		for _, line := range utils.ArgsToStrings(maxLastArgLength, offline, ",") {
 			client.Send(nil, server.name, RPL_MONOFFLINE, client.getNick(), line)
 		}
 	}

irc/server.go

@@ -27,6 +27,7 @@ import (
 	"github.com/oragono/oragono/irc/isupport"
 	"github.com/oragono/oragono/irc/logger"
 	"github.com/oragono/oragono/irc/sno"
+	"github.com/oragono/oragono/irc/utils"
 	"github.com/tidwall/buntdb"
 )
 
@@ -267,7 +268,7 @@ func (server *Server) Run() {
 
 		case conn := <-server.newConns:
 			// check IP address
-			ipaddr := net.ParseIP(IPString(conn.Conn.RemoteAddr()))
+			ipaddr := net.ParseIP(utils.IPString(conn.Conn.RemoteAddr()))
 			if ipaddr == nil {
 				conn.Conn.Write([]byte(couldNotParseIPMsg))
 				conn.Conn.Close()
@@ -1034,7 +1035,7 @@ func (client *Client) getWhoisOf(target *Client) {
 		client.Send(nil, client.server.name, RPL_WHOISOPERATOR, client.nick, target.nick, target.whoisLine)
 	}
 	if client.flags[Operator] || client == target {
-		client.Send(nil, client.server.name, RPL_WHOISACTUALLY, client.nick, target.nick, fmt.Sprintf("%s@%s", target.username, LookupHostname(target.IPString())), target.IPString(), "Actual user@host, Actual IP")
+		client.Send(nil, client.server.name, RPL_WHOISACTUALLY, client.nick, target.nick, fmt.Sprintf("%s@%s", target.username, utils.LookupHostname(target.IPString())), target.IPString(), "Actual user@host, Actual IP")
 	}
 	if target.flags[TLS] {
 		client.Send(nil, client.server.name, RPL_WHOISSECURE, client.nick, target.nick, "is using a secure connection")
@@ -2177,7 +2178,7 @@ func proxyHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
 		return false
 	}
 
-	clientAddress := IPString(client.socket.conn.RemoteAddr())
+	clientAddress := utils.IPString(client.socket.conn.RemoteAddr())
 	clientHostname := client.hostname
 	for _, address := range server.proxyAllowedFrom {
 		if clientHostname == address || clientAddress == address {
@@ -2198,7 +2199,7 @@ func proxyHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
 
 			// override the client's regular IP
 			client.proxiedIP = msg.Params[1]
-			client.rawHostname = LookupHostname(msg.Params[1])
+			client.rawHostname = utils.LookupHostname(msg.Params[1])
 			client.hostname = client.rawHostname
 			return false
 		}

irc/utils/args.go

@@ -1,11 +1,11 @@
 // Copyright (c) 2016-2017 Daniel Oaks <daniel@danieloaks.net>
 // released under the MIT license
 
-package irc
+package utils
 
-// argsToStrings takes the arguments and splits them into a series of strings,
+// ArgsToStrings takes the arguments and splits them into a series of strings,
 // each argument separated by delim and each string bounded by maxLength.
-func argsToStrings(maxLength int, arguments []string, delim string) []string {
+func ArgsToStrings(maxLength int, arguments []string, delim string) []string {
 	var messages []string
 
 	var buffer string

irc/utils/net.go

@@ -2,7 +2,7 @@
 // Copyright (c) 2016 Daniel Oaks <daniel@danieloaks.net>
 // released under the MIT license
 
-package irc
+package utils
 
 import (
 	"net"

irc/utils/net_test.go

@@ -2,7 +2,7 @@
 // Copyright (c) 2016 Daniel Oaks <daniel@danieloaks.net>
 // released under the MIT license
 
-package irc
+package utils
 
 import "testing"