func (h handler) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
reqId := uuid.New()
w.Header().Set("X-Request-Id", reqId)
r.Header.Set("X-Request-Id", reqId)
return h.Next.ServeHTTP(w, r)
}
// Connect just connects you to nats, no fuss.
func Connect() (*Uplink, error) {
nc, err := nats.Connect(*natsServer)
if err != nil {
return nil, err
}
c, err := nats.NewEncodedConn(nc, nats.JSON_ENCODER)
if err != nil {
return nil, err
}
id := uuid.New()
u := &Uplink{
EncodedConn: c,
Logger: log.New(os.Stdout, id+" ", log.LstdFlags),
ID: id,
Nats: nc,
}
_, err = c.Subscribe(u.ID+":ping", func(subj, reply string, msg string) {
c.Publish(reply, "pong")
})
if err != nil {
return nil, err
}
return u, nil
}
func NewTag(name string) (*Tag, error) {
tag := &Tag{}
var err error
name = strings.ToLower(name)
q := Db.Where(&Tag{
Name: strings.ToLower(name),
}).First(tag)
if q.Error != nil {
if q.Error.Error() != "record not found" {
return nil, q.Error
}
}
if tag.UUID == "" {
log.Printf("Need to make a new tag for %s", name)
tag = &Tag{
UUID: uuid.New(),
Name: name,
}
q := Db.Create(tag)
if q.Error != nil {
return nil, q.Error
}
}
return tag, err
}
func eventToMessage(e *irc.Event) *common.Message {
kind, ok := verbKind[e.Code]
if !ok {
kind = "irc:" + e.Code
}
if len(e.Arguments) == 0 {
e.Arguments = []string{""}
}
return &common.Message{
ID: uuid.New(),
Protocol: "irc",
ReplyTo: e.Arguments[0],
Via: uplink.ID,
Body: e.Arguments[len(e.Arguments)-1],
Sender: e.Nick,
SenderParams: map[string]interface{}{
"user": e.User,
"host": e.Host,
},
Destination: e.Arguments[0],
Kind: kind,
Metadata: map[string]interface{}{
"ircserver": *ircServer,
"raw_line": e.Raw,
"source": e.Source,
},
}
}
// SetToken sets a random CSRF token for a given HTTP request.
func SetToken(r *http.Request) string {
sess := sessions.GetSession(r)
token := uuid.New()
sess.Set("CSRF", token)
return token
}
// NewUser makes a new user in the database given the values from a HTTP POST request.
func NewUser(values url.Values) (u *User, err error) {
username := values.Get("username")
if username == "" {
return nil, ErrUserCreateMissingValues
}
email := values.Get("email")
if email == "" {
return nil, ErrUserCreateMissingValues
}
// TODO: check for duplicate email addresses
if !strings.Contains(email, "@") {
return nil, ErrInvalidEmail
}
password := values.Get("password")
if password == "" {
return nil, ErrUserCreateMissingValues
}
confirm := values.Get("password_confirm")
if confirm == "" {
return nil, ErrUserCreateMissingValues
}
if password != confirm {
return nil, ErrDifferentPasswords
}
salt := uuid.New()[0:14]
result := hashPassword(password, salt)
myUuid := uuid.NewUUID().String()
u = &User{
Email: email,
DisplayName: username,
ActualName: url.QueryEscape(strings.ToLower(username)),
Activated: false,
UUID: myUuid,
Salt: salt,
PasswordHash: result,
AvatarURL: "/img/avatar_default.jpg",
}
query := Db.Create(u)
if query.Error != nil {
return nil, query.Error
}
if Db.NewRecord(u) {
return nil, errors.New("could not create user")
}
return
}
// Log sends arbitrary data to Elasticsearch.
//
// If you send this a string or a fmt.Stringer, it will be wrapped as an UnformattedMessage.
func (l *Logger) Log(data interface{}) (err error) {
m := &Message{
Date: time.Now().Format(time.RFC3339),
Program: path.Base(os.Args[0]),
Type: reflect.TypeOf(data).String(),
}
hostname, err := os.Hostname()
if err != nil {
return err
}
m.Hostname = hostname
switch data.(type) {
case string:
myData := data.(string)
um := &unformattedMessage{
Kind: "unformatted",
Text: myData,
}
m.Data = um
case fmt.Stringer:
myData := data.(fmt.Stringer)
um := &unformattedMessage{
Kind: "unformatted",
Text: myData.String(),
}
m.Data = um
default:
m.Data = data
}
rep, err := l.conn.Index().
Index(l.index).
Type("gurren").
Id(uuid.New()).
BodyJson(m).Do()
if err != nil {
return err
}
if !rep.Created {
return ErrCantInsertLog
}
return nil
}
func (f *FactCTR) MarshalJSON() ([]byte, error) {
b, e := json.Marshal(Result{
uuid.New(),
"article",
f.Facts[0],
f.Facts[0],
10,
})
return b, e
}
func messageCreate(s *discordgo.Session, m *discordgo.MessageCreate) {
uplink.Printf("%20s %20s > %s\n", m.ChannelID, m.Author.Username, m.Content)
msg := &common.Message{
ID: uuid.New(),
Protocol: "discord",
Kind: "TextMessage",
Via: uplink.ID,
Body: m.Content,
Sender: m.Author.Username,
ReplyTo: m.ChannelID,
}
uplink.Publish("betterbot.input", msg)
}
func main() {
conn, err := common.Connect()
if err != nil {
panic(err)
}
uplink = conn
session := goMatrix.Init(*matrixHomeserver)
err = session.Login(*matrixUser, *matrixPass)
if err != nil {
panic(err)
}
session.Start()
uplink.Println("Connected to matrix")
conn.Subscribe(uplink.ID+":input", func(subj, reply string, msg *common.Message) {
switch msg.Kind {
case "TextMessage":
if msg.Body == "" {
return
}
session.SendToRoom(msg.Destination, msg.Body)
}
})
for {
msg := <-session.OnNewMsg
msgToq := &common.Message{
ID: uuid.New(),
Protocol: "matrix",
Kind: "TextMessage",
Via: uplink.ID,
Body: msg.Text,
Sender: msg.Sender,
ReplyTo: msg.RoomID,
Destination: msg.RoomName,
}
uplink.Publish("betterbot.input", msgToq)
}
}
func main() {
conn, err := common.Connect()
if err != nil {
panic(err)
}
uplink = conn
bot, err := tgbotapi.NewBotAPI(*apiToken)
if err != nil {
panic(err)
}
uplink.Println("Connected to telegram")
uplink.Printf("Authorized on account %s", bot.Self.UserName)
u := tgbotapi.NewUpdate(0)
u.Timeout = 60
updates, err := bot.GetUpdatesChan(u)
conn.Subscribe(uplink.ID+":input", func(subj, reply string, msg *common.Message) {
switch msg.Kind {
case "TextMessage":
if msg.Body == "" {
return
}
s, err := strconv.ParseInt(msg.Destination, 10, 64)
if err != nil {
uplink.Printf("Could not send message: %v", err)
return
}
msg := tgbotapi.NewMessage(s, msg.Body)
_, err = bot.Send(msg)
if err != nil {
uplink.Printf("Error in sending: %#v", err)
}
}
})
for update := range updates {
if update.Message == nil {
continue
}
log.Printf("[%s] %s", update.Message.From.UserName, update.Message.Text)
msg := update.Message.Text
cid := fmt.Sprintf("%v", update.Message.Chat.ID)
msgToq := &common.Message{
ID: uuid.New(),
Protocol: "telegram",
Kind: "TextMessage",
Via: uplink.ID,
Body: msg,
Sender: update.Message.From.UserName,
ReplyTo: cid,
}
uplink.Publish("betterbot.input", msgToq)
}
}
func NewImage(r *http.Request, user *User) (i *Image, err error) {
userUpload, header, err := r.FormFile("file")
if err != nil {
return nil, err
}
data, err := ioutil.ReadAll(userUpload)
if err != nil {
return nil, err
}
c := &blake2b.Config{
Salt: []byte("lol as if"),
Size: blake2b.Size,
}
b2b, err := blake2b.New(c)
if err != nil {
panic(err)
}
b2b.Reset()
io.Copy(b2b, bytes.NewBuffer(data))
hash := fmt.Sprintf("%x", b2b.Sum(nil))
tagsRaw := r.FormValue("tags")
tags := strings.Split(tagsRaw, ",")
for _, tag := range tags {
if strings.HasPrefix(tag, "rating:") {
goto ok
}
}
return nil, ErrNeedRatingTag
ok:
mime := header.Header.Get("Content-Type")
if mime == "image/svg+xml" {
return nil, errors.New("Unsupported image format")
}
if !strings.HasPrefix(mime, "image/") {
return nil, errors.New("Unsupported image format")
}
i = &Image{
UUID: uuid.New(),
Poster: user,
PosterID: user.ID,
Mime: mime,
Filename: header.Filename,
Hash: hash,
Description: r.Form.Get("description"),
}
for _, tag := range tags {
t, err := NewTag(tag)
if err != nil {
return nil, err
}
i.Tags = append(i.Tags, t)
}
err = os.Mkdir(Config.Storage.Path+"/"+i.UUID, os.ModePerm)
if err != nil {
return nil, err
}
fout, err := os.Create(Config.Storage.Path + "/" + i.UUID + "/" + i.Filename)
if err != nil {
return nil, err
}
io.Copy(fout, bytes.NewBuffer(data))
conn := Redis.Get()
defer conn.Close()
query := Db.Create(i)
if query.Error != nil {
return nil, query.Error
}
_, err = conn.Do("RPUSH", "uploads", i.UUID)
if err != nil {
return nil, err
}
return
}