Moving to glide

vendor/github.com/mattermost/rsc/google/acme/Chat/main.go

@@ -0,0 +1,575 @@
+// Copyright 2011 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+/*
+TODO:
+ - Del of main window should move to other window.
+ - Editing main window should update status on \n or something like that.
+ - Make use of full names from roster
+*/
+
+import (
+	"bytes"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"regexp"
+	"strings"
+	"time"
+
+	"code.google.com/p/goplan9/plan9/acme"
+	"github.com/mattermost/rsc/google"
+	"github.com/mattermost/rsc/xmpp"
+)
+
+var acmeDebug = flag.Bool("acmedebug", false, "print acme debugging")
+
+type Window struct {
+	*acme.Win          // acme window
+	*acme.Event        // most recent event received
+	err         error  // error reading event
+	typ         string // kind of window "main", "chat"
+	name        string // acme window title
+	remote      string // for typ=="chat", remote address
+	dirty       bool   // window is dirty
+	blinky      bool   // window's dirty box is blinking
+
+	lastTime time.Time
+}
+
+type Msg struct {
+	w          *Window // window where message belongs
+	*xmpp.Chat         // recently received chat
+	err        error   // error reading chat message
+}
+
+var (
+	client       *xmpp.Client   // current xmpp client (can reconnect)
+	acct         google.Account // google acct info
+	statusCache  = make(map[string][]*xmpp.Presence)
+	active       = make(map[string]*Window) // active windows
+	acmeChan     = make(chan *Window)       // acme events
+	msgChan      = make(chan *Msg)          // chat events
+	mainWin      *Window
+	status       = xmpp.Available
+	statusMsg    = ""
+	lastActivity time.Time
+)
+
+const (
+	awayTime         = 10 * time.Minute
+	extendedAwayTime = 30 * time.Minute
+)
+
+func usage() {
+	fmt.Fprintf(os.Stderr, "usage: Chat [-a acct] name...\n")
+	flag.PrintDefaults()
+	os.Exit(2)
+}
+
+var acctName = flag.String("a", "", "account to use")
+
+func main() {
+	flag.Usage = usage
+	flag.Parse()
+
+	acct = google.Acct(*acctName)
+
+	aw, err := acme.New()
+	if err != nil {
+		log.Fatal(err)
+	}
+	aw.Name("Chat/" + acct.Nick + "/")
+
+	client, err = xmpp.NewClient("talk.google.com:443", acct.Email, acct.Password)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	w := &Window{Win: aw, typ: "main", name: "Chat/" + acct.Nick + "/"}
+	data, err := ioutil.ReadFile(google.Dir() + "/chat." + acct.Nick)
+	if err != nil {
+		log.Fatal(err)
+	}
+	if err == nil {
+		w.Write("body", data)
+	}
+	mainWin = w
+	active[w.name] = w
+	go w.readAcme()
+	client.Roster()
+	setStatus(status)
+	go w.readChat()
+	lastActivity = time.Now()
+
+	tick := time.Tick(0.5e9)
+Loop:
+	for len(active) > 0 {
+		select {
+		case w := <-acmeChan:
+			if w == nil {
+				// Sync with reader.
+				continue
+			}
+			if w.err != nil {
+				if active[w.name] == nil {
+					continue
+				}
+				log.Fatal(w.err)
+			}
+			if *acmeDebug {
+				fmt.Fprintf(os.Stderr, "%s %c%c %d,%d %q\n", w.name, w.C1, w.C2, w.Q0, w.Q1, w.Text)
+			}
+			if w.C1 == 'M' || w.C1 == 'K' {
+				lastActivity = time.Now()
+				if status != xmpp.Available {
+					setStatus(xmpp.Available)
+				}
+			}
+			if (w.C2 == 'x' || w.C2 == 'X') && string(w.Text) == "Del" {
+				// TODO: Hangup connection for w.typ == "acct"?
+				delete(active, w.name)
+				w.Del(true)
+				continue Loop
+			}
+
+			switch w.typ {
+			case "main":
+				switch w.C2 {
+				case 'L': // Button 3 in body: load chat window for contact.
+					w.expand()
+					fallthrough
+				case 'l': // Button 3 in tag
+					arg := string(w.Text)
+					showContact(arg)
+					continue Loop
+				}
+			case "chat":
+				if w.C1 == 'F' && w.C2 == 'I' {
+					continue Loop
+				}
+				if w.C1 != 'M' && w.C1 != 'K' {
+					break
+				}
+				if w.blinky {
+					w.blinky = false
+					w.Fprintf("ctl", "dirty\n")
+				}
+				switch w.C2 {
+				case 'X', 'x':
+					if string(w.Text) == "Ack" {
+						w.Fprintf("ctl", "clean\n")
+					}
+				case 'I':
+					w.sendMsg()
+					continue Loop
+				}
+			}
+			w.WriteEvent(w.Event)
+
+		case msg := <-msgChan:
+			w := msg.w
+			if msg.err != nil {
+				w.Fprintf("body", "ERROR: %s\n", msg.err)
+				continue Loop
+			}
+			you := msg.Remote
+			if i := strings.Index(you, "/"); i >= 0 {
+				you = you[:i]
+			}
+			switch msg.Type {
+			case "chat":
+				w := showContact(you)
+				text := strings.TrimSpace(msg.Text)
+				if text == "" {
+					// Probably a composing notification.
+					continue
+				}
+				w.message("> %s\n", text)
+				w.blinky = true
+				w.dirty = true
+
+			case "presence":
+				pr := msg.Presence
+				pr, new := savePresence(pr, you)
+				if !new {
+					continue
+				}
+				w := lookContact(you)
+				if w != nil {
+					w.status(pr)
+				}
+				mainStatus(pr, you)
+			}
+
+		case t := <-tick:
+			switch status {
+			case xmpp.Available:
+				if t.Sub(lastActivity) > awayTime {
+					setStatus(xmpp.Away)
+				}
+			case xmpp.Away:
+				if t.Sub(lastActivity) > extendedAwayTime {
+					setStatus(xmpp.ExtendedAway)
+				}
+			}
+			for _, w := range active {
+				if w.blinky {
+					w.dirty = !w.dirty
+					if w.dirty {
+						w.Fprintf("ctl", "dirty\n")
+					} else {
+						w.Fprintf("ctl", "clean\n")
+					}
+				}
+			}
+		}
+	}
+}
+
+func setStatus(st xmpp.Status) {
+	status = st
+	client.Status(status, statusMsg)
+	mainWin.statusTag(status, statusMsg)
+}
+
+func savePresence(pr *xmpp.Presence, you string) (pr1 *xmpp.Presence, new bool) {
+	old := cachedPresence(you)
+
+	pr.StatusMsg = strings.TrimSpace(pr.StatusMsg)
+	c := statusCache[you]
+	for i, p := range c {
+		if p.Remote == pr.Remote {
+			c[i] = pr
+			c[0], c[i] = c[i], c[0]
+			goto Best
+		}
+	}
+	c = append(c, pr)
+	c[0], c[len(c)-1] = c[len(c)-1], c[0]
+	statusCache[you] = c
+
+Best:
+	best := cachedPresence(you)
+	return best, old == nil || old.Status != best.Status || old.StatusMsg != best.StatusMsg
+}
+
+func cachedPresence(you string) *xmpp.Presence {
+	c := statusCache[you]
+	if len(c) == 0 {
+		return nil
+	}
+	best := c[0]
+	for _, p := range c {
+		if p.Status > best.Status {
+			best = p
+		}
+	}
+	return best
+}
+
+func short(st xmpp.Status) string {
+	switch st {
+	case xmpp.Unavailable:
+		return "?"
+	case xmpp.ExtendedAway:
+		return "x"
+	case xmpp.Away:
+		return "-"
+	case xmpp.Available:
+		return "+"
+	case xmpp.DoNotDisturb:
+		return "!"
+	}
+	return st.String()
+}
+
+func long(st xmpp.Status) string {
+	switch st {
+	case xmpp.Unavailable:
+		return "unavailable"
+	case xmpp.ExtendedAway:
+		return "offline"
+	case xmpp.Away:
+		return "away"
+	case xmpp.Available:
+		return "available"
+	case xmpp.DoNotDisturb:
+		return "busy"
+	}
+	return st.String()
+}
+
+func (w *Window) time() string {
+	/*
+		Auto-date chat windows:
+
+		 	Show date and time on first message.
+		 	Show time if minute is different from last message.
+		 	Show date if day is different from last message.
+
+		 	Oct 10 12:01 > hi
+		 	12:03 hello there
+		 	12:05 > what's up?
+
+			12:10 [Away]
+	*/
+	now := time.Now()
+	m1, d1, y1 := w.lastTime.Date()
+	m2, d2, y2 := now.Date()
+	w.lastTime = now
+
+	if m1 != m2 || d1 != d2 || y1 != y2 {
+		return now.Format("Jan 2 15:04 ")
+	}
+	return now.Format("15:04 ")
+}
+
+func (w *Window) status(pr *xmpp.Presence) {
+	msg := ""
+	if pr.StatusMsg != "" {
+		msg = ": " + pr.StatusMsg
+	}
+	w.message("[%s%s]\n", long(pr.Status), msg)
+
+	w.statusTag(pr.Status, pr.StatusMsg)
+}
+
+func (w *Window) statusTag(status xmpp.Status, statusMsg string) {
+	data, err := w.ReadAll("tag")
+	if err != nil {
+		log.Printf("read tag: %v", err)
+		return
+	}
+	//log.Printf("tag1: %s\n", data)
+	i := bytes.IndexByte(data, '|')
+	if i >= 0 {
+		data = data[i+1:]
+	} else {
+		data = nil
+	}
+	//log.Printf("tag2: %s\n", data)
+	j := bytes.IndexByte(data, '|')
+	if j >= 0 {
+		data = data[j+1:]
+	}
+	//log.Printf("tag3: %s\n", data)
+
+	msg := ""
+	if statusMsg != "" {
+		msg = " " + statusMsg
+	}
+	w.Ctl("cleartag\n")
+	w.Write("tag", []byte(" "+short(status)+msg+" |"+string(data)))
+}
+
+func mainStatus(pr *xmpp.Presence, you string) {
+	w := mainWin
+	if err := w.Addr("#0/^(.[ \t]+)?" + regexp.QuoteMeta(you) + "([ \t]*|$)/"); err != nil {
+		return
+	}
+	q0, q1, err := w.ReadAddr()
+	if err != nil {
+		log.Printf("ReadAddr: %s\n", err)
+		return
+	}
+	if err := w.Addr("#%d/"+regexp.QuoteMeta(you)+"/", q0); err != nil {
+		log.Printf("Addr2: %s\n", err)
+	}
+	q2, q3, err := w.ReadAddr()
+	if err != nil {
+		log.Printf("ReadAddr2: %s\n", err)
+		return
+	}
+
+	space := " "
+	if q1 > q3 || pr.StatusMsg == "" { // already have or don't need space
+		space = ""
+	}
+	if err := w.Addr("#%d/.*/", q1); err != nil {
+		log.Printf("Addr3: %s\n", err)
+	}
+	w.Fprintf("data", "%s%s", space, pr.StatusMsg)
+
+	space = ""
+	if q0 == q2 {
+		w.Addr("#%d,#%d", q0, q0)
+		space = " "
+	} else {
+		w.Addr("#%d,#%d", q0, q0+1)
+	}
+	w.Fprintf("data", "%s%s", short(pr.Status), space)
+}
+
+func (w *Window) expand() {
+	// Use selection if any.
+	w.Fprintf("ctl", "addr=dot\n")
+	q0, q1, err := w.ReadAddr()
+	if err == nil && q0 <= w.Q0 && w.Q0 <= q1 {
+		goto Read
+	}
+	if err = w.Addr("#%d-/[a-zA-Z0-9_@.\\-]*/,#%d+/[a-zA-Z0-9_@.\\-]*/", w.Q0, w.Q1); err != nil {
+		log.Printf("expand: %v", err)
+		return
+	}
+	q0, q1, err = w.ReadAddr()
+	if err != nil {
+		log.Printf("expand: %v", err)
+		return
+	}
+
+Read:
+	data, err := w.ReadAll("xdata")
+	if err != nil {
+		log.Printf("read: %v", err)
+		return
+	}
+	w.Text = data
+	w.Q0 = q0
+	w.Q1 = q1
+	return
+}
+
+// Invariant: in chat windows, the acme addr corresponds to the
+// empty string just before the input being typed.  Text before addr
+// is the chat history (usually ending in a blank line).
+
+func (w *Window) message(format string, args ...interface{}) {
+	if *acmeDebug {
+		q0, q1, _ := w.ReadAddr()
+		log.Printf("message; addr=%d,%d", q0, q1)
+	}
+	if err := w.Addr(".-/\\n?\\n?/"); err != nil && *acmeDebug {
+		log.Printf("set addr: %s", err)
+	}
+	q0, _, _ := w.ReadAddr()
+	nl := ""
+	if q0 > 0 {
+		nl = "\n"
+	}
+	if *acmeDebug {
+		q0, q1, _ := w.ReadAddr()
+		log.Printf("inserting; addr=%d,%d", q0, q1)
+	}
+	w.Fprintf("data", nl+w.time()+format+"\n", args...)
+	if *acmeDebug {
+		q0, q1, _ := w.ReadAddr()
+		log.Printf("wrote; addr=%d,%d", q0, q1)
+	}
+}
+
+func (w *Window) sendMsg() {
+	if *acmeDebug {
+		q0, q1, _ := w.ReadAddr()
+		log.Printf("sendMsg; addr=%d,%d", q0, q1)
+	}
+	if err := w.Addr(`.,./(.|\n)*\n/`); err != nil {
+		if *acmeDebug {
+			q0, q1, _ := w.ReadAddr()
+			log.Printf("no text (%s); addr=%d,%d", err, q0, q1)
+		}
+		return
+	}
+	q0, q1, _ := w.ReadAddr()
+	if *acmeDebug {
+		log.Printf("found msg; addr=%d,%d", q0, q1)
+	}
+	line, _ := w.ReadAll("xdata")
+	trim := string(bytes.TrimSpace(line))
+	if len(trim) > 0 {
+		err := client.Send(xmpp.Chat{Remote: w.remote, Type: "chat", Text: trim})
+
+		// Select blank line before input (if any) and input.
+		w.Addr("#%d-/\\n?\\n?/,#%d", q0, q1)
+		if *acmeDebug {
+			q0, q1, _ := w.ReadAddr()
+			log.Printf("selected text; addr=%d,%d", q0, q1)
+		}
+		q0, _, _ := w.ReadAddr()
+
+		// Overwrite with \nmsg\n\n.
+		// Leaves addr after final \n, which is where we want it.
+		nl := ""
+		if q0 > 0 {
+			nl = "\n"
+		}
+		errstr := ""
+		if err != nil {
+			errstr = fmt.Sprintf("\n%s", errstr)
+		}
+		w.Fprintf("data", "%s%s%s%s\n\n", nl, w.time(), trim, errstr)
+		if *acmeDebug {
+			q0, q1, _ := w.ReadAddr()
+			log.Printf("wrote; addr=%d,%d", q0, q1)
+		}
+		w.Fprintf("ctl", "clean\n")
+	}
+}
+
+func (w *Window) readAcme() {
+	for {
+		e, err := w.ReadEvent()
+		if err != nil {
+			w.err = err
+			acmeChan <- w
+			break
+		}
+		//fmt.Printf("%c%c %d,%d %d,%d %#x %#q %#q %#q\n", e.C1, e.C2, e.Q0, e.Q1, e.OrigQ0, e.OrigQ1, e.Flag, e.Text, e.Arg, e.Loc)
+		w.Event = e
+		acmeChan <- w
+		acmeChan <- nil
+	}
+}
+
+func (w *Window) readChat() {
+	for {
+		msg, err := client.Recv()
+		if err != nil {
+			msgChan <- &Msg{w: w, err: err}
+			break
+		}
+		//fmt.Printf("%s\n", *msg)
+		msgChan <- &Msg{w: w, Chat: &msg}
+	}
+}
+
+func lookContact(you string) *Window {
+	return active["Chat/"+acct.Nick+"/"+you]
+}
+
+func showContact(you string) *Window {
+	w := lookContact(you)
+	if w != nil {
+		w.Ctl("show\n")
+		return w
+	}
+
+	ww, err := acme.New()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	name := "Chat/" + acct.Nick + "/" + you
+	ww.Name(name)
+	w = &Window{Win: ww, typ: "chat", name: name, remote: you}
+	w.Fprintf("body", "\n")
+	w.Addr("#1")
+	w.OpenEvent()
+	w.Fprintf("ctl", "cleartag\n")
+	w.Fprintf("tag", " Ack")
+	if p := cachedPresence(you); p != nil {
+		w.status(p)
+	}
+	active[name] = w
+	go w.readAcme()
+	return w
+}
+
+func randid() string {
+	return fmt.Sprint(time.Now())
+}

vendor/github.com/mattermost/rsc/google/chat.go

@@ -0,0 +1,39 @@
+// Copyright 2011 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package google
+
+import "github.com/mattermost/rsc/xmpp"
+
+type ChatID struct {
+	ID        string
+	Email     string
+	Status    xmpp.Status
+	StatusMsg string
+}
+
+type ChatSend struct {
+	ID  *ChatID
+	Msg xmpp.Chat
+}
+
+func (g *Client) ChatRecv(cid *ChatID) (*xmpp.Chat, error) {
+	var msg xmpp.Chat
+	if err := g.client.Call("goog.ChatRecv", cid, &msg); err != nil {
+		return nil, err
+	}
+	return &msg, nil
+}
+
+func (g *Client) ChatStatus(cid *ChatID) error {
+	return g.client.Call("goog.ChatRecv", cid, &Empty{})
+}
+
+func (g *Client) ChatSend(cid *ChatID, msg *xmpp.Chat) error {
+	return g.client.Call("goog.ChatSend", &ChatSend{cid, *msg}, &Empty{})
+}
+
+func (g *Client) ChatRoster(cid *ChatID) error {
+	return g.client.Call("goog.ChatRoster", cid, &Empty{})
+}

vendor/github.com/mattermost/rsc/google/gmailsend/send.go

@@ -0,0 +1,370 @@
+package main
+
+import (
+	"bufio"
+	"bytes"
+	"encoding/base64"
+	"flag"
+	"fmt"
+	"io"
+	"net/smtp"
+	"os"
+	"regexp"
+	"strings"
+
+	"github.com/mattermost/rsc/google"
+)
+
+func enc(s string) string {
+	// TODO =? .. ?=
+	return s
+}
+
+type Addr struct {
+	Name  string
+	Email string
+}
+
+func (a Addr) enc() string {
+	if a.Name == "" {
+		return "<" + a.Email + ">"
+	}
+	if a.Email == "" {
+		return enc(a.Name) + ":;"
+	}
+	return enc(a.Name) + " <" + a.Email + ">"
+}
+
+type Addrs []Addr
+
+func (a *Addrs) String() string {
+	return "[addrlist]"
+}
+
+func (a Addrs) has(s string) bool {
+	for _, aa := range a {
+		if aa.Email == s {
+			return true
+		}
+	}
+	return false
+}
+
+func (a *Addrs) Set(s string) bool {
+	s = strings.TrimSpace(s)
+	if strings.HasSuffix(s, ">") {
+		j := strings.LastIndex(s, "<")
+		if j >= 0 {
+			*a = append(*a, Addr{strings.TrimSpace(s[:j]), s[j+1 : len(s)-1]})
+			return true
+		}
+	}
+
+	if strings.Contains(s, " ") {
+		fmt.Fprintf(os.Stderr, "invalid address: %s", s)
+		os.Exit(2)
+	}
+	*a = append(*a, Addr{"", s})
+	return true
+}
+
+func (a *Addrs) parseLine(s string) {
+	for _, f := range strings.Split(s, ",") {
+		f = strings.TrimSpace(f)
+		if f != "" {
+			a.Set(f)
+		}
+	}
+}
+
+func (a Addrs) fixDomain() {
+	i := strings.Index(acct.Email, "@")
+	if i < 0 {
+		return
+	}
+	dom := acct.Email[i:]
+	for i := range a {
+		if a[i].Email != "" && !strings.Contains(a[i].Email, "@") {
+			a[i].Email += dom
+		}
+	}
+}
+
+var from, to, cc, bcc, replyTo Addrs
+var inReplyTo, subject string
+var appendFile = flag.String("append", "", "file to append to end of body")
+
+var acct google.Account
+var acctName = flag.String("a", "", "account to use")
+var inputHeader = flag.Bool("i", false, "read additional header lines from stdin")
+
+func holdmode() {
+	if os.Getenv("TERM") == "9term" {
+		// forgive me
+		os.Stdout.WriteString("\x1B];*9term-hold+\x07")
+	}
+}
+
+func match(line, prefix string, arg *string) bool {
+	if len(line) < len(prefix) || !strings.EqualFold(line[:len(prefix)], prefix) {
+		return false
+	}
+	*arg = strings.TrimSpace(line[len(prefix):])
+	return true
+}
+
+func main() {
+	flag.StringVar(&inReplyTo, "in-reply-to", "", "In-Reply-To")
+	flag.StringVar(&subject, "s", "", "Subject")
+	flag.Var(&from, "from", "From (can repeat)")
+	flag.Var(&to, "to", "To (can repeat)")
+	flag.Var(&cc, "cc", "CC (can repeat)")
+	flag.Var(&bcc, "bcc", "BCC (can repeat)")
+	flag.Var(&replyTo, "replyTo", "Reply-To (can repeat)")
+
+	flag.Parse()
+	if flag.NArg() != 0 && !*inputHeader {
+		flag.Usage()
+	}
+
+	var body bytes.Buffer
+	input := bufio.NewReader(os.Stdin)
+	if *inputHeader {
+		holdmode()
+	Loop:
+		for {
+			s, err := input.ReadString('\n')
+			if err != nil {
+				if err == io.EOF {
+					break Loop
+				}
+				fmt.Fprintf(os.Stderr, "reading stdin: %s\n", err)
+				os.Exit(2)
+			}
+			var arg string
+			switch {
+			default:
+				if ok, _ := regexp.MatchString(`^\S+:`, s); ok {
+					fmt.Fprintf(os.Stderr, "unknown header line: %s", s)
+					os.Exit(2)
+				}
+				body.WriteString(s)
+				break Loop
+			case match(s, "from:", &arg):
+				from.parseLine(arg)
+			case match(s, "to:", &arg):
+				to.parseLine(arg)
+			case match(s, "cc:", &arg):
+				cc.parseLine(arg)
+			case match(s, "bcc:", &arg):
+				bcc.parseLine(arg)
+			case match(s, "reply-to:", &arg):
+				replyTo.parseLine(arg)
+			case match(s, "subject:", &arg):
+				subject = arg
+			case match(s, "in-reply-to:", &arg):
+				inReplyTo = arg
+			}
+		}
+	}
+
+	acct = google.Acct(*acctName)
+	from.fixDomain()
+	to.fixDomain()
+	cc.fixDomain()
+	bcc.fixDomain()
+	replyTo.fixDomain()
+
+	smtpTo := append(append(to, cc...), bcc...)
+
+	if len(from) == 0 {
+		// TODO: Much better
+		name := ""
+		email := acct.Email
+		if email == "rsc@swtch.com" || email == "rsc@google.com" {
+			name = "Russ Cox"
+		}
+		if email == "rsc@google.com" && (smtpTo.has("go@googlecode.com") || smtpTo.has("golang-dev@googlegroups.com") || smtpTo.has("golang-nuts@googlegroups.com")) {
+			from = append(from, Addr{name, "rsc@golang.org"})
+		} else {
+			from = append(from, Addr{name, email})
+		}
+	}
+
+	if len(from) > 1 {
+		fmt.Fprintf(os.Stderr, "missing -from\n")
+		os.Exit(2)
+	}
+
+	if len(to)+len(cc)+len(bcc) == 0 {
+		fmt.Fprintf(os.Stderr, "missing destinations\n")
+		os.Exit(2)
+	}
+
+	if !*inputHeader {
+		holdmode()
+	}
+	_, err := io.Copy(&body, input)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "reading stdin: %s\n", err)
+		os.Exit(2)
+	}
+
+	if *appendFile != "" {
+		f, err := os.Open(*appendFile)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "append: %s\n", err)
+			os.Exit(2)
+		}
+		_, err = io.Copy(&body, f)
+		f.Close()
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "append: %s\n", err)
+			os.Exit(2)
+		}
+	}
+
+	var msg bytes.Buffer
+	fmt.Fprintf(&msg, "MIME-Version: 1.0\n")
+	if len(from) > 0 {
+		fmt.Fprintf(&msg, "From: ")
+		for i, a := range from {
+			if i > 0 {
+				fmt.Fprintf(&msg, ", ")
+			}
+			fmt.Fprintf(&msg, "%s", a.enc())
+		}
+		fmt.Fprintf(&msg, "\n")
+	}
+	if len(to) > 0 {
+		fmt.Fprintf(&msg, "To: ")
+		for i, a := range to {
+			if i > 0 {
+				fmt.Fprintf(&msg, ", ")
+			}
+			fmt.Fprintf(&msg, "%s", a.enc())
+		}
+		fmt.Fprintf(&msg, "\n")
+	}
+	if len(cc) > 0 {
+		fmt.Fprintf(&msg, "CC: ")
+		for i, a := range cc {
+			if i > 0 {
+				fmt.Fprintf(&msg, ", ")
+			}
+			fmt.Fprintf(&msg, "%s", a.enc())
+		}
+		fmt.Fprintf(&msg, "\n")
+	}
+	if len(replyTo) > 0 {
+		fmt.Fprintf(&msg, "Reply-To: ")
+		for i, a := range replyTo {
+			if i > 0 {
+				fmt.Fprintf(&msg, ", ")
+			}
+			fmt.Fprintf(&msg, "%s", a.enc())
+		}
+		fmt.Fprintf(&msg, "\n")
+	}
+	if inReplyTo != "" {
+		fmt.Fprintf(&msg, "In-Reply-To: %s\n", inReplyTo)
+	}
+	if subject != "" {
+		fmt.Fprintf(&msg, "Subject: %s\n", enc(subject))
+	}
+	fmt.Fprintf(&msg, "Date: xxx\n")
+	fmt.Fprintf(&msg, "Content-Type: text/plain; charset=\"utf-8\"\n")
+	fmt.Fprintf(&msg, "Content-Transfer-Encoding: base64\n")
+	fmt.Fprintf(&msg, "\n")
+	enc64 := base64.StdEncoding.EncodeToString(body.Bytes())
+	for len(enc64) > 72 {
+		fmt.Fprintf(&msg, "%s\n", enc64[:72])
+		enc64 = enc64[72:]
+	}
+	fmt.Fprintf(&msg, "%s\n\n", enc64)
+
+	auth := smtp.PlainAuth(
+		"",
+		acct.Email,
+		acct.Password,
+		"smtp.gmail.com",
+	)
+	var smtpToEmail []string
+	for _, a := range smtpTo {
+		if a.Email != "" {
+			smtpToEmail = append(smtpToEmail, a.Email)
+		}
+	}
+
+	if err := sendMail("smtp.gmail.com:587", auth, from[0].Email, smtpToEmail, msg.Bytes()); err != nil {
+		fmt.Fprintf(os.Stderr, "sending mail: %s\n", err)
+		os.Exit(2)
+	}
+}
+
+/*
+                                                                                                                                                                                                                                                    MIME-Version: 1.0
+Subject: commit/plan9port: rsc: 9term: hold mode back door
+From: Bitbucket <commits-noreply@bitbucket.org>
+To: plan9port-dev@googlegroups.com
+Date: Tue, 11 Oct 2011 13:34:30 -0000
+Message-ID: <20111011133430.31146.55070@bitbucket13.managed.contegix.com>
+Reply-To: commits-noreply@bitbucket.org
+Content-Type: text/plain; charset="utf-8"
+Content-Transfer-Encoding: quoted-printable
+
+1 new changeset in plan9port:
+
+http://bitbucket.org/rsc/plan9port/changeset/8735d7708a1b/
+changeset:   8735d7708a1b
+user:        rsc
+date:        2011-10-11 15:34:25
+summary:     9term: hold mode back door
+
+R=3Drsc
+http://codereview.appspot.com/5248056
+affected #:  2 files (-1 bytes)
+
+Repository URL: https://bitbucket.org/rsc/plan9port/
+
+--
+
+This is a commit notification from bitbucket.org. You are receiving
+this because you have the service enabled, addressing the recipient of
+this email.
+
+*/
+
+func sendMail(addr string, a smtp.Auth, from string, to []string, msg []byte) error {
+	c, err := smtp.Dial(addr)
+	if err != nil {
+		return err
+	}
+	if err = c.StartTLS(nil); err != nil {
+		return err
+	}
+	if err = c.Auth(a); err != nil {
+		return err
+	}
+	if err = c.Mail(from); err != nil {
+		return err
+	}
+	for _, addr := range to {
+		if err = c.Rcpt(addr); err != nil {
+			return err
+		}
+	}
+	w, err := c.Data()
+	if err != nil {
+		return err
+	}
+	_, err = w.Write(msg)
+	if err != nil {
+		return err
+	}
+	err = w.Close()
+	if err != nil {
+		return err
+	}
+	return c.Quit()
+}

vendor/github.com/mattermost/rsc/google/googleserver/chat.go

@@ -0,0 +1,80 @@
+// Copyright 2011 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// TODO: Add ChatHangup.
+// TODO: Auto-hangup chats that are gone.
+
+package main
+
+import (
+	"fmt"
+
+	"github.com/mattermost/rsc/google"
+	"github.com/mattermost/rsc/xmpp"
+)
+
+type chatClient struct {
+	email string
+	id    string
+	xmpp  *xmpp.Client
+}
+
+var chatClients = map[string]*chatClient{}
+
+func (*Server) chatClient(cid *google.ChatID) (*chatClient, error) {
+	id := cid.ID
+	cc := chatClients[cid.ID]
+	if cc == nil {
+		a := google.Cfg.AccountByEmail(cid.Email)
+		if a == nil {
+			return nil, fmt.Errorf("unknown account %s", cid.Email)
+		}
+		// New client.
+		cli, err := xmpp.NewClient("talk.google.com:443", a.Email, a.Password)
+		if err != nil {
+			return nil, err
+		}
+		cc = &chatClient{email: a.Email, id: id, xmpp: cli}
+		cc.xmpp.Status(cid.Status, cid.StatusMsg)
+		chatClients[id] = cc
+	}
+	return cc, nil
+}
+
+func (srv *Server) ChatRecv(cid *google.ChatID, msg *xmpp.Chat) error {
+	cc, err := srv.chatClient(cid)
+	if err != nil {
+		return err
+	}
+	chat, err := cc.xmpp.Recv()
+	if err != nil {
+		return err
+	}
+	*msg = chat
+	return nil
+}
+
+func (srv *Server) ChatStatus(cid *google.ChatID, _ *Empty) error {
+	cc, err := srv.chatClient(cid)
+	if err != nil {
+		return err
+	}
+	return cc.xmpp.Status(cid.Status, cid.StatusMsg)
+}
+
+func (srv *Server) ChatSend(arg *google.ChatSend, _ *Empty) error {
+	cc, err := srv.chatClient(arg.ID)
+	if err != nil {
+		return err
+	}
+	return cc.xmpp.Send(arg.Msg)
+}
+
+func (srv *Server) ChatRoster(cid *google.ChatID, _ *Empty) error {
+	cc, err := srv.chatClient(cid)
+	if err != nil {
+		return err
+	}
+	return cc.xmpp.Roster()
+}

vendor/github.com/mattermost/rsc/google/googleserver/main.go

@@ -0,0 +1,139 @@
+// Copyright 2011 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	//	"flag"
+	"bufio"
+	"fmt"
+	"log"
+	"net"
+	"net/rpc"
+	"os"
+	"strings"
+	"syscall"
+
+	"github.com/mattermost/rsc/google"
+	"github.com/mattermost/rsc/xmpp"
+)
+
+func main() {
+	google.ReadConfig()
+	switch os.Args[1] {
+	case "add":
+		google.Cfg.Account = append(google.Cfg.Account, &google.Account{Email: os.Args[2], Password: os.Args[3]})
+		google.WriteConfig()
+	case "serve":
+		serve()
+	case "accounts":
+		c, err := google.Dial()
+		if err != nil {
+			log.Fatal(err)
+		}
+		out, err := c.Accounts()
+		if err != nil {
+			log.Fatal(err)
+		}
+		for _, email := range out {
+			fmt.Printf("%s\n", email)
+		}
+	case "ping":
+		c, err := google.Dial()
+		if err != nil {
+			log.Fatal(err)
+		}
+		if err := c.Ping(); err != nil {
+			log.Fatal(err)
+		}
+	case "chat":
+		c, err := google.Dial()
+		if err != nil {
+			log.Fatal(err)
+		}
+		cid := &google.ChatID{ID: "1", Email: os.Args[2], Status: xmpp.Available, StatusMsg: ""}
+		go chatRecv(c, cid)
+		c.ChatRoster(cid)
+		b := bufio.NewReader(os.Stdin)
+		for {
+			line, err := b.ReadString('\n')
+			if err != nil {
+				log.Fatal(err)
+			}
+			line = line[:len(line)-1]
+			i := strings.Index(line, ": ")
+			if i < 0 {
+				log.Printf("<who>: <msg>, please")
+				continue
+			}
+			who, msg := line[:i], line[i+2:]
+			if err := c.ChatSend(cid, &xmpp.Chat{Remote: who, Type: "chat", Text: msg}); err != nil {
+				log.Fatal(err)
+			}
+		}
+	}
+}
+
+func chatRecv(c *google.Client, cid *google.ChatID) {
+	for {
+		msg, err := c.ChatRecv(cid)
+		if err != nil {
+			log.Fatal(err)
+		}
+		switch msg.Type {
+		case "roster":
+			for _, contact := range msg.Roster {
+				fmt.Printf("%v\n", contact)
+			}
+		case "presence":
+			fmt.Printf("%v\n", msg.Presence)
+		case "chat":
+			fmt.Printf("%s: %s\n", msg.Remote, msg.Text)
+		default:
+			fmt.Printf("<%s>\n", msg.Type)
+		}
+	}
+}
+
+func listen() net.Listener {
+	socket := google.Dir() + "/socket"
+	os.Remove(socket)
+	l, err := net.Listen("unix", socket)
+	if err != nil {
+		log.Fatal(err)
+	}
+	return l
+}
+
+func serve() {
+	f, err := os.OpenFile(google.Dir()+"/log", os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0600)
+	if err != nil {
+		log.Fatal(err)
+	}
+	log.SetOutput(f)
+	syscall.Dup2(f.Fd(), 2)
+	os.Stdout = f
+	os.Stderr = f
+	l := listen()
+	rpc.RegisterName("goog", &Server{})
+	rpc.Accept(l)
+	log.Fatal("rpc.Accept finished: server exiting")
+}
+
+type Server struct{}
+
+type Empty google.Empty
+
+func (*Server) Ping(*Empty, *Empty) error {
+	return nil
+}
+
+func (*Server) Accounts(_ *Empty, out *[]string) error {
+	var email []string
+	for _, a := range google.Cfg.Account {
+		email = append(email, a.Email)
+	}
+	*out = email
+	return nil
+}

vendor/github.com/mattermost/rsc/google/main.go

@@ -0,0 +1,181 @@
+// Copyright 2011 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// TODO: Something about redialing.
+
+package google
+
+import (
+	//	"flag"
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net"
+	"net/rpc"
+	"os"
+	"os/exec"
+	"syscall"
+	"time"
+)
+
+func Dir() string {
+	dir := os.Getenv("HOME") + "/.goog"
+	st, err := os.Stat(dir)
+	if err != nil {
+		if err := os.Mkdir(dir, 0700); err != nil {
+			log.Fatal(err)
+		}
+		st, err = os.Stat(dir)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+	if !st.IsDir() {
+		log.Fatalf("%s exists but is not a directory", dir)
+	}
+	if st.Mode()&0077 != 0 {
+		log.Fatalf("%s exists but allows group or other permissions: %#o", dir, st.Mode()&0777)
+	}
+	return dir
+}
+
+func Dial() (*Client, error) {
+	socket := Dir() + "/socket"
+	c, err := net.Dial("unix", socket)
+	if err == nil {
+		return &Client{rpc.NewClient(c)}, nil
+	}
+	log.Print("starting server")
+	os.Remove(socket)
+	runServer()
+	for i := 0; i < 50; i++ {
+		c, err = net.Dial("unix", socket)
+		if err == nil {
+			return &Client{rpc.NewClient(c)}, nil
+		}
+		time.Sleep(200e6)
+		if i == 0 {
+			log.Print("waiting for server...")
+		}
+	}
+	return nil, err
+}
+
+type Client struct {
+	client *rpc.Client
+}
+
+type Empty struct{}
+
+func (g *Client) Ping() error {
+	return g.client.Call("goog.Ping", &Empty{}, &Empty{})
+}
+
+func (g *Client) Accounts() ([]string, error) {
+	var out []string
+	if err := g.client.Call("goog.Accounts", &Empty{}, &out); err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func runServer() {
+	cmd := exec.Command("googleserver", "serve")
+	cmd.SysProcAttr = &syscall.SysProcAttr{}
+	if err := cmd.Start(); err != nil {
+		log.Fatal(err)
+	}
+}
+
+type Config struct {
+	Account []*Account
+}
+
+type Account struct {
+	Email    string
+	Password string
+	Nick     string
+}
+
+func (cfg *Config) AccountByEmail(email string) *Account {
+	for _, a := range cfg.Account {
+		if a.Email == email {
+			return a
+		}
+	}
+	return nil
+}
+
+var Cfg Config
+
+func ReadConfig() {
+	file := Dir() + "/config"
+	st, err := os.Stat(file)
+	if err != nil {
+		return
+	}
+	if st.Mode()&0077 != 0 {
+		log.Fatalf("%s exists but allows group or other permissions: %#o", file, st.Mode()&0777)
+	}
+	data, err := ioutil.ReadFile(file)
+	if err != nil {
+		log.Fatal(err)
+	}
+	Cfg = Config{}
+	if err := json.Unmarshal(data, &Cfg); err != nil {
+		log.Fatal(err)
+	}
+}
+
+func WriteConfig() {
+	file := Dir() + "/config"
+	st, err := os.Stat(file)
+	if err != nil {
+		if err := ioutil.WriteFile(file, nil, 0600); err != nil {
+			log.Fatal(err)
+		}
+		st, err = os.Stat(file)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+	if st.Mode()&0077 != 0 {
+		log.Fatalf("%s exists but allows group or other permissions: %#o", file, st.Mode()&0777)
+	}
+	data, err := json.MarshalIndent(&Cfg, "", "\t")
+	if err != nil {
+		log.Fatal(err)
+	}
+	if err := ioutil.WriteFile(file, data, 0600); err != nil {
+		log.Fatal(err)
+	}
+	st, err = os.Stat(file)
+	if err != nil {
+		log.Fatal(err)
+	}
+	if st.Mode()&0077 != 0 {
+		log.Fatalf("%s allows group or other permissions after writing: %#o", file, st.Mode()&0777)
+	}
+}
+
+func Acct(name string) Account {
+	ReadConfig()
+	if name == "" {
+		if len(Cfg.Account) == 0 {
+			fmt.Fprintf(os.Stderr, "no accounts configured\n")
+			os.Exit(2)
+		}
+		return *Cfg.Account[0]
+	}
+
+	for _, a := range Cfg.Account {
+		if a.Email == name || a.Nick == name {
+			return *a
+		}
+	}
+	fmt.Fprintf(os.Stderr, "cannot find account %#q", name)
+	os.Exit(2)
+	panic("not reached")
+}