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burgernotes
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made stamps be able to be spent and add an expiration mechanism

This commit is contained in:
Tracker-Friendly 2024-07-21 09:45:47 +01:00
parent 9725de7fb3
commit ef54b67803
1 changed files with 51 additions and 3 deletions
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54
main.go
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@ -308,6 +308,16 @@ func main() {
}
}
_, err = mem.Exec("CREATE TABLE spent (hashcash TEXT NOT NULL, expires INTEGER NOT NULL)")
if err != nil {
if err.Error() == "table spent already exists" {
log.Println("[INFO] Spent table already exists")
} else {
log.Fatalln("[FATAL] Cannot create spent table:", err)
}
}
if len(os.Args) > 1 {
if os.Args[1] == "init_db" {
initDb()
@ -368,6 +378,31 @@ func main() {
return
}
var spentStamp string
err = mem.QueryRow("SELECT hashcash FROM spent WHERE hashcash = ?", stamp).Scan(&spentStamp)
if err != nil {
if errors.Is(err, sql.ErrNoRows) {
_, err = mem.Exec("INSERT INTO spent (hashcash, expires) VALUES (?, ?)", stamp, time.Now().Unix()+86400)
if err != nil {
log.Println("[ERROR] Unknown in /api/signup spent Exec():", err)
c.JSON(500, gin.H{"error": "Something went wrong on our end. Please report this bug at https://centrifuge.hectabit.org/hectabit/burgernotes and refer to the documentation for more info. Your error code is: UNKNOWN-API-SIGNUP-SPENTINSERT"})
return
}
} else {
log.Println("[ERROR] Unknown in /api/signup spent QueryRow():", err)
c.JSON(500, gin.H{"error": "Something went wrong on our end. Please report this bug at https://centrifuge.hectabit.org/hectabit/burgernotes and refer to the documentation for more info. Your error code is: UNKNOWN-API-SIGNUP-SPENTSELECT"})
return
}
} else {
c.JSON(409, gin.H{"error": "Stamp already spent"})
return
}
if strings.Split(stamp, ":")[3] != "signup" || strings.Split(stamp, ":")[4] != "I love burgernotes!" {
c.JSON(400, gin.H{"error": "Invalid hashcash stamp"})
return
}
pow := hashcash.New(20, 16, "I love burgernotes!")
ok = pow.Check(stamp)
if !ok {
@ -495,8 +530,7 @@ func main() {
c.JSON(500, gin.H{"error": "Something went wrong on our end. Please report this bug at https://centrifuge.hectabit.org/hectabit/burgernotes and refer to the documentation for more info. Your error code is: UNKNOWN-API-LOGIN-VERIFYHASH"})
return
}
}
if !correctPassword {
} else if !correctPassword {
if migrated == 0 {
c.JSON(401, gin.H{"error": "User has not migrated", "migrated": false})
return
@ -529,7 +563,11 @@ func main() {
return
}
c.JSON(200, gin.H{"key": token})
if migrated != 1 {
c.JSON(200, gin.H{"key": token, "migrated": false})
} else {
c.JSON(200, gin.H{"key": token, "migrated": true})
}
})
router.POST("/api/oauth/get", func(c *gin.Context) {
@ -1399,6 +1437,16 @@ func main() {
}
})
go func() {
for {
time.Sleep(time.Minute)
_, err := conn.Exec("DELETE FROM spent WHERE expires < ?", time.Now().Unix())
if err != nil {
log.Println("[ERROR] Unknown in spent cleanup Exec():", err)
}
}
}()
log.Println("[INFO] Server started at", time.Now().Unix())
log.Println("[INFO] Welcome to Burgernotes! Today we are running on IP " + host + " on port " + strconv.Itoa(port) + ".")
err = router.Run(host + ":" + strconv.Itoa(port))