Esempio n. 1
0
func dbFunc(c *gin.Context) {
	if _, err := db.Exec("CREATE TABLE IF NOT EXISTS ticks (tick timestamp)"); err != nil {
		c.String(http.StatusInternalServerError,
			fmt.Sprintf("Error creating database table: %q", err))
		return
	}

	if _, err := db.Exec("INSERT INTO ticks VALUES (now())"); err != nil {
		c.String(http.StatusInternalServerError,
			fmt.Sprintf("Error incrementing tick: %q", err))
		return
	}

	rows, err := db.Query("SELECT tick FROM ticks")
	if err != nil {
		c.String(http.StatusInternalServerError,
			fmt.Sprintf("Error reading ticks: %q", err))
		return
	}

	defer rows.Close()
	for rows.Next() {
		var tick time.Time
		if err := rows.Scan(&tick); err != nil {
			c.String(http.StatusInternalServerError,
				fmt.Sprintf("Error scanning ticks: %q", err))
			return
		}
		c.String(http.StatusOK, fmt.Sprintf("Read from DB: %s\n", tick.String()))
	}
}
Esempio n. 2
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func repeatHandler(c *gin.Context) {
	var buffer bytes.Buffer
	for i := 0; i < repeat; i++ {
		buffer.WriteString("Hello from Go!\n")
	}
	c.String(http.StatusOK, buffer.String())
}
Esempio n. 3
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func roomGET(c *gin.Context) {
	roomid := c.Param("roomid")
	userid := fmt.Sprint(rand.Int31())
	c.HTML(200, "chat_room", gin.H{
		"roomid": roomid,
		"userid": userid,
	})
}
Esempio n. 4
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func roomPOST(c *gin.Context) {
	roomid := c.Param("roomid")
	userid := c.PostForm("user")
	message := c.PostForm("message")
	room(roomid).Submit(userid + ": " + message)

	c.JSON(200, gin.H{
		"status":  "success",
		"message": message,
	})
}
Esempio n. 5
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func roomPOST(c *gin.Context) {
	roomid := c.Param("roomid")
	nick := c.Query("nick")
	message := c.PostForm("message")
	message = strings.TrimSpace(message)

	validMessage := len(message) > 1 && len(message) < 200
	validNick := len(nick) > 1 && len(nick) < 14
	if !validMessage || !validNick {
		c.JSON(400, gin.H{
			"status": "failed",
			"error":  "the message or nickname is too long",
		})
		return
	}

	post := gin.H{
		"nick":    html.EscapeString(nick),
		"message": html.EscapeString(message),
	}
	messages.Add("inbound", 1)
	room(roomid).Submit(post)
	c.JSON(200, post)
}
Esempio n. 6
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func stream(c *gin.Context) {
	roomid := c.Param("roomid")
	listener := openListener(roomid)
	defer closeListener(roomid, listener)

	c.Stream(func(w io.Writer) bool {
		c.SSEvent("message", <-listener)
		return true
	})
}
Esempio n. 7
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func streamRoom(c *gin.Context) {
	roomid := c.Param("roomid")
	listener := openListener(roomid)
	ticker := time.NewTicker(1 * time.Second)
	users.Add("connected", 1)
	defer func() {
		closeListener(roomid, listener)
		ticker.Stop()
		users.Add("disconnected", 1)
	}()

	c.Stream(func(w io.Writer) bool {
		select {
		case msg := <-listener:
			messages.Add("outbound", 1)
			c.SSEvent("message", msg)
		case <-ticker.C:
			c.SSEvent("stats", Stats())
		}
		return true
	})
}
Esempio n. 8
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func rateLimit(c *gin.Context) {

	ip := c.ClientIP()
	value := int(ips.Add(ip, 1))
	if value%50 == 0 {
		fmt.Printf("ip: %s, count: %d\n", ip, value)
	}
	if value >= 200 {
		if value%200 == 0 {
			fmt.Println("ip blocked")
		}
		c.Abort()
		c.String(503, "you were automatically banned :)")
	}
}
Esempio n. 9
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func roomGET(c *gin.Context) {
	roomid := c.Param("roomid")
	nick := c.Query("nick")
	if len(nick) < 2 {
		nick = ""
	}
	if len(nick) > 13 {
		nick = nick[0:12] + "..."
	}
	c.HTML(200, "room_login.templ.html", gin.H{
		"roomid":    roomid,
		"nick":      nick,
		"timestamp": time.Now().Unix(),
	})

}
Esempio n. 10
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func roomDELETE(c *gin.Context) {
	roomid := c.Param("roomid")
	deleteBroadcast(roomid)
}
Esempio n. 11
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func index(c *gin.Context) {
	c.Redirect(301, "/room/hn")
}