Add config option for maxAttempts field

Signed-off-by: Rahul Rudragoudar <rr83019@gmail.com>

src/main/scala/lc/Main.scala

@@ -3,6 +3,7 @@ package lc
 import lc.core.{CaptchaProviders, Captcha, Config}
 import lc.server.Server
 import lc.background.BackgroundTask
+import lc.database.Statements
 
 object LCFramework {
   def main(args: scala.Array[String]): Unit = {
@@ -12,6 +13,7 @@ object LCFramework {
       "data/config.json"
     }
     val config = new Config(configFilePath)
+    Statements.maxAttempts = config.maxAttempts
     val captchaProviders = new CaptchaProviders(config = config)
     val captcha = new Captcha(config = config, captchaProviders = captchaProviders)
     val backgroundTask = new BackgroundTask(config = config, captcha = captcha)

src/main/scala/lc/core/captchaFields.scala

@@ -26,6 +26,7 @@ object AttributesEnum extends Enumeration {
   val PLAYGROUND_ENABLED: Value = Value("playgroundEnabled")
   val CORS_HEADER: Value = Value("corsHeader")
   val CONFIG: Value = Value("config")
+  val MAX_ATTEMPTS: Value = Value("maxAttempts")
 }
 
 object ResultEnum extends Enumeration {

src/main/scala/lc/core/config.scala

@@ -47,6 +47,7 @@ class Config(configFilePath: String) {
   val threadDelay: Int = (configJson \ AttributesEnum.THREAD_DELAY.toString).extract[Int]
   val playgroundEnabled: Boolean = (configJson \ AttributesEnum.PLAYGROUND_ENABLED.toString).extract[Boolean]
   val corsHeader: String = (configJson \ AttributesEnum.CORS_HEADER.toString).extract[String]
+  val maxAttempts: Int = (configJson \ AttributesEnum.MAX_ATTEMPTS.toString).extract[Int]
 
   private val captchaConfigJson = (configJson \ "captchas")
   val captchaConfigTransform: JValue = captchaConfigJson transformField { case JField("config", JObject(config)) =>
@@ -69,6 +70,7 @@ class Config(configFilePath: String) {
         (AttributesEnum.THREAD_DELAY.toString -> 2) ~
         (AttributesEnum.PLAYGROUND_ENABLED.toString -> true) ~
         (AttributesEnum.CORS_HEADER.toString -> "") ~
+        (AttributesEnum.MAX_ATTEMPTS.toString -> 10) ~
         ("captchas" -> List(
           (
             (AttributesEnum.NAME.toString -> "FilterChallenge") ~

src/main/scala/lc/database/statements.scala

@@ -118,6 +118,6 @@ object Statements {
      ```
    */
   private val dbConn: DBConn = new DBConn()
-  private val maxAttempts = 10
+  var maxAttempts: Int = 10
   val tlStmts: ThreadLocal[Statements] = ThreadLocal.withInitial(() => new Statements(dbConn, maxAttempts))
 }