respect size and level parameters

* Add size and level parameters to ChallengeProvider.returnChallenge()
* Add size column to challenge table
* Pass size and level parameters to all relevant calls
* Add size field to demo app

src/main/java/lc/captchas/FontFunCaptcha.java

@@ -81,7 +81,7 @@ public class FontFunCaptcha implements ChallengeProvider {
     return baos.toByteArray();
   }
 
-  public Challenge returnChallenge() {
+  public Challenge returnChallenge(String level, String size) {
     String secret = HelperFunctions.randomString(7);
     String path = "./lib/fonts/";
     return new Challenge(fontFun(secret, "medium", path), "image/png", secret.toLowerCase());

src/main/java/lc/captchas/PoppingCharactersCaptcha.java

@@ -100,7 +100,7 @@ public class PoppingCharactersCaptcha implements ChallengeProvider {
         "supportedInputType", List.of("text"));
   }
 
-  public Challenge returnChallenge() {
+  public Challenge returnChallenge(String level, String size) {
     final var secret = HelperFunctions.randomString(6);
     return new Challenge(gifCaptcha(secret), "image/gif", secret.toLowerCase());
   }

src/main/java/lc/captchas/ShadowTextCaptcha.java

@@ -74,7 +74,7 @@ public class ShadowTextCaptcha implements ChallengeProvider {
     return baos.toByteArray();
   }
 
-  public Challenge returnChallenge() {
+  public Challenge returnChallenge(String level, String size) {
     String secret = HelperFunctions.randomString(6);
     return new Challenge(shadowText(secret), "image/png", secret.toLowerCase());
   }

src/main/java/lc/captchas/interfaces/ChallengeProvider.java

@@ -6,7 +6,7 @@ import java.util.List;
 public interface ChallengeProvider {
   public String getId();
 
-  public Challenge returnChallenge();
+  public Challenge returnChallenge(String level, String size);
 
   public boolean checkAnswer(String secret, String answer);
 

src/main/resources/index.html

@@ -20,9 +20,10 @@
     const levelInput = document.getElementById("levelInput").value
     const mediaInput = document.getElementById("mediaInput").value
     const typeInput = document.getElementById("typeInput").value
-    fetch("/v1/captcha", {
+    const sizeInput = document.getElementById("sizeInput").value
+    fetch("/v2/captcha", {
        method: 'POST',
-       body: JSON.stringify({level: levelInput, media: mediaInput, "input_type" : typeInput})
+       body: JSON.stringify({level: levelInput, media: mediaInput, "input_type" : typeInput, "size": sizeInput})
     }).then(async function(resp) {
       const respJson = await resp.json()
       if (resp.ok) {
@@ -30,7 +31,7 @@
         const resultDiv = document.getElementById("result")
         const result = `
           <p>Id: ${id}</p>
-          <p><img src="/v1/media?id=${id}" /> </p>
+          <p><img src="/v2/media?id=${id}" /> </p>
           <input type="text" id="answerInput" />
           <button onClick="submitAnswer('${id}')">Submit</button>
           <div id="answerResult" />
@@ -43,7 +44,7 @@
   }
   async function submitAnswer(id) {
     const ans = document.getElementById("answerInput").value;
-    const resp = await fetch("/v1/answer", {
+    const resp = await fetch("/v2/answer", {
        method: 'POST',
        body: JSON.stringify({id: id, answer: ans})
     })
@@ -70,6 +71,10 @@
       <span>Input Type</span>
       <input type="text" id="typeInput" value="text" />
     </div>
+    <div class="inputGroup">
+      <span>Input Size</span>
+      <input type="text" id="sizeInput" value="150x100" />
+    </div>
     <div class="inputGroup">
       <button onClick="loadCaptcha()">Get New CAPTCHA</button>
     </div>

src/main/scala/lc/background/taskThread.scala

@@ -45,8 +45,10 @@ class BackgroundTask(config: Config, captchaManager: CaptchaManager) {
     (config.captchaConfig).flatMap {captcha =>
       (captcha.allowedLevels).flatMap {level =>
         (captcha.allowedMedia).flatMap {media =>
-          (captcha.allowedInputType).map {inputType =>
+          (captcha.allowedInputType).flatMap {inputType =>
-            Parameters(level, media, inputType, Some(Size(0, 0)))
+            (captcha.allowedSizes).map {size =>
+              Parameters(level, media, inputType, size)
+            }
           }
         }
       }
@@ -58,8 +60,9 @@ class BackgroundTask(config: Config, captchaManager: CaptchaManager) {
     val level = pickRandom(captcha.allowedLevels)
     val media = pickRandom(captcha.allowedMedia)
     val inputType = pickRandom(captcha.allowedInputType)
+    val size = pickRandom(captcha.allowedSizes)
 
-    Parameters(level, media, inputType, Some(Size(0, 0)))
+    Parameters(level, media, inputType, size)
   }
 
   private def pickRandom[T](list: List[T]): T = {

src/main/scala/lc/captchas/DebugCaptcha.scala

@@ -66,7 +66,7 @@ class DebugCaptcha extends ChallengeProvider {
     baos.toByteArray()
   }
 
-  def returnChallenge(): Challenge = {
+  def returnChallenge(level: String, size: String): Challenge = {
     val secret = HelperFunctions.randomString(6, HelperFunctions.safeAlphabets)
     new Challenge(simpleText(secret), "image/png", secret.toLowerCase())
   }

src/main/scala/lc/captchas/FilterChallenge.scala

@@ -29,7 +29,7 @@ class FilterChallenge extends ChallengeProvider {
     )
   }
 
-  def returnChallenge(): Challenge = {
+  def returnChallenge(level: String, size: String): Challenge = {
     val filterTypes = List(new FilterType1, new FilterType2)
     val r = new scala.util.Random
     val alphabet = "abcdefghijklmnopqrstuvwxyz"

src/main/scala/lc/captchas/LabelCaptcha.scala

@@ -40,7 +40,7 @@ class LabelCaptcha extends ChallengeProvider {
     )
   }
 
-  def returnChallenge(): Challenge =
+  def returnChallenge(level: String, size: String): Challenge =
     synchronized {
       val r = scala.util.Random.nextInt(knownFiles.length)
       val s = scala.util.Random.nextInt(unknownFiles.length)

src/main/scala/lc/captchas/RainDropsCaptcha.scala

@@ -56,7 +56,7 @@ class RainDropsCP extends ChallengeProvider {
     })
   }
 
-  def returnChallenge(): Challenge = {
+  def returnChallenge(level: String, size: String): Challenge = {
     val r = new scala.util.Random
     val secret = LazyList.continually(r.nextInt(alphabet.size)).map(alphabet).take(n).mkString
     val width = 450

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

@@ -10,7 +10,7 @@ object ParametersEnum extends Enumeration {
   val ALLOWEDLEVELS: Value = Value("allowedLevels")
   val ALLOWEDMEDIA: Value = Value("allowedMedia")
   val ALLOWEDINPUTTYPE: Value = Value("allowedInputType")
-
+  val ALLOWEDSIZES: Value = Value("allowedSizes")
 }
 
 object AttributesEnum extends Enumeration {

src/main/scala/lc/core/captchaManager.scala

@@ -36,7 +36,7 @@ class CaptchaManager(config: Config, captchaProviders: CaptchaProviders) {
   def generateChallenge(param: Parameters): Option[Int] = {
     captchaProviders.getProvider(param).flatMap { provider =>
       val providerId = provider.getId()
-      val challenge = provider.returnChallenge()
+      val challenge = provider.returnChallenge(param.level, param.size)
       val blob = new ByteArrayInputStream(challenge.content)
       val token = insertCaptcha(provider, challenge, providerId, param, blob)
       // println("Added new challenge: " + token.toString)
@@ -58,7 +58,8 @@ class CaptchaManager(config: Config, captchaProviders: CaptchaProviders) {
     insertPstmt.setString(4, challenge.contentType)
     insertPstmt.setString(5, param.level)
     insertPstmt.setString(6, param.input_type)
-    insertPstmt.setBlob(7, blob)
+    insertPstmt.setString(7, param.size)
+    insertPstmt.setBlob(8, blob)
     insertPstmt.executeUpdate()
     val rs: ResultSet = insertPstmt.getGeneratedKeys()
     if (rs.next()) {
@@ -106,6 +107,7 @@ class CaptchaManager(config: Config, captchaProviders: CaptchaProviders) {
     countPstmt.setString(1, param.level)
     countPstmt.setString(2, param.media)
     countPstmt.setString(3, param.input_type)
+    countPstmt.setString(4, param.size.toString())
     val rs = countPstmt.executeQuery()
     if (rs.next()) {
       Some(rs.getInt("count"))
@@ -123,7 +125,8 @@ class CaptchaManager(config: Config, captchaProviders: CaptchaProviders) {
       tokenPstmt.setString(1, param.level)
       tokenPstmt.setString(2, param.media)
       tokenPstmt.setString(3, param.input_type)
-      tokenPstmt.setInt(4, count)
+      tokenPstmt.setString(4, param.size)
+      tokenPstmt.setInt(5, count)
       val rs = tokenPstmt.executeQuery()
       if (rs.next()) {
         Some(rs.getInt("token"))

src/main/scala/lc/core/captchaProviders.scala

@@ -19,7 +19,7 @@ class CaptchaProviders(config: Config) {
 
   def generateChallengeSamples(): Map[String, Challenge] = {
     providers.map { case (key, provider) =>
-      (key, provider.returnChallenge())
+      (key, provider.returnChallenge("easy", "350x100"))
     }
   }
 
@@ -35,6 +35,7 @@ class CaptchaProviders(config: Config) {
       if configValue.allowedLevels.contains(param.level)
       if configValue.allowedMedia.contains(param.media)
       if configValue.allowedInputType.contains(param.input_type)
+      if configValue.allowedSizes.contains(param.size)
     } yield (configValue.name, configValue.config)
 
     val providerFilter = for {

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

@@ -81,6 +81,7 @@ class Config(configFilePath: String) {
               (ParametersEnum.ALLOWEDLEVELS.toString -> List("medium", "hard")) ~
               (ParametersEnum.ALLOWEDMEDIA.toString -> List("image/png")) ~
               (ParametersEnum.ALLOWEDINPUTTYPE.toString -> List("text")) ~
+              (ParametersEnum.ALLOWEDSIZES.toString -> List("350x100")) ~
               (AttributesEnum.CONFIG.toString -> JObject())
           ),
           (
@@ -88,6 +89,7 @@ class Config(configFilePath: String) {
               (ParametersEnum.ALLOWEDLEVELS.toString -> List("hard")) ~
               (ParametersEnum.ALLOWEDMEDIA.toString -> List("image/gif")) ~
               (ParametersEnum.ALLOWEDINPUTTYPE.toString -> List("text")) ~
+              (ParametersEnum.ALLOWEDSIZES.toString -> List("350x100")) ~
               (AttributesEnum.CONFIG.toString -> JObject())
           ),
           (
@@ -95,6 +97,7 @@ class Config(configFilePath: String) {
               (ParametersEnum.ALLOWEDLEVELS.toString -> List("easy")) ~
               (ParametersEnum.ALLOWEDMEDIA.toString -> List("image/png")) ~
               (ParametersEnum.ALLOWEDINPUTTYPE.toString -> List("text")) ~
+              (ParametersEnum.ALLOWEDSIZES.toString -> List("350x100")) ~
               (AttributesEnum.CONFIG.toString -> JObject())
           ),
           (
@@ -102,6 +105,7 @@ class Config(configFilePath: String) {
               (ParametersEnum.ALLOWEDLEVELS.toString -> List("easy", "medium")) ~
               (ParametersEnum.ALLOWEDMEDIA.toString -> List("image/gif")) ~
               (ParametersEnum.ALLOWEDINPUTTYPE.toString -> List("text")) ~
+              (ParametersEnum.ALLOWEDSIZES.toString -> List("350x100")) ~
               (AttributesEnum.CONFIG.toString -> JObject())
           )
         ))

src/main/scala/lc/core/models.scala

@@ -4,8 +4,9 @@ import org.json4s.jackson.Serialization.write
 import lc.core.Config.formats
 
 trait ByteConvert { def toBytes(): Array[Byte] }
+// case class Size(height: Int, width: Int)
 case class Size(height: Int, width: Int)
-case class Parameters(level: String, media: String, input_type: String, size: Option[Size])
+case class Parameters(level: String, media: String, input_type: String, size: String)
 case class Id(id: String) extends ByteConvert { def toBytes(): Array[Byte] = { write(this).getBytes } }
 case class Image(image: Array[Byte]) extends ByteConvert { def toBytes(): Array[Byte] = { image } }
 case class Answer(answer: String, id: String)
@@ -16,6 +17,7 @@ case class CaptchaConfig(
     allowedLevels: List[String],
     allowedMedia: List[String],
     allowedInputType: List[String],
+    allowedSizes: List[String],
     config: String
 )
 case class ConfigField(

src/main/scala/lc/database/DB.scala

@@ -3,7 +3,7 @@ package lc.database
 import java.sql.{Connection, DriverManager, Statement}
 
 class DBConn() {
-  val con: Connection = DriverManager.getConnection("jdbc:h2:./data/H2/captcha2;MAX_COMPACT_TIME=8000;DB_CLOSE_ON_EXIT=FALSE", "sa", "")
+  val con: Connection = DriverManager.getConnection("jdbc:h2:./data/H2/captcha3;MAX_COMPACT_TIME=8000;DB_CLOSE_ON_EXIT=FALSE", "sa", "")
 
   def getStatement(): Statement = {
     con.createStatement()

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

@@ -17,6 +17,7 @@ class Statements(dbConn: DBConn, maxAttempts: Int) {
       "contentType varchar, " +
       "contentLevel varchar, " +
       "contentInput varchar, " +
+      "size varchar, " +
       "image blob, " +
       "attempted int default 0, " +
       "PRIMARY KEY(token));" +
@@ -37,8 +38,8 @@ class Statements(dbConn: DBConn, maxAttempts: Int) {
 
   val insertPstmt: PreparedStatement = dbConn.con.prepareStatement(
     "INSERT INTO " +
-      "challenge(id, secret, provider, contentType, contentLevel, contentInput, image) " +
+      "challenge(id, secret, provider, contentType, contentLevel, contentInput, size, image) " +
-      "VALUES (?, ?, ?, ?, ?, ?, ?)",
+      "VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
     Statement.RETURN_GENERATED_KEYS
   )
 
@@ -77,7 +78,8 @@ class Statements(dbConn: DBConn, maxAttempts: Int) {
         WHERE attempted < $maxAttempts AND
         contentLevel = ? AND
         contentType = ? AND
-        contentInput = ?
+        contentInput = ? AND
+        size = ?
         """
   )
 
@@ -88,7 +90,8 @@ class Statements(dbConn: DBConn, maxAttempts: Int) {
         WHERE attempted < $maxAttempts AND
         contentLevel = ? AND
         contentType = ? AND
-        contentInput = ?
+        contentInput = ? AND
+        size = ?
         LIMIT 1
         OFFSET FLOOR(RAND()*?)
          """

src/main/scala/lc/server/Server.scala

@@ -23,7 +23,7 @@ class Server(address: String, port: Int, captchaManager: CaptchaManager, playgro
     .address(new InetSocketAddress(address, port))
     .backlog(32)
     .POST(
-      "/v1/captcha",
+      "/v2/captcha",
       (request) => {
         val json = parse(request.getBodyString())
         val param = json.extract[Parameters]
@@ -32,7 +32,7 @@ class Server(address: String, port: Int, captchaManager: CaptchaManager, playgro
       }
     )
     .GET(
-      "/v1/media",
+      "/v2/media",
       (request) => {
         val params = request.getQueryParams()
         val result = if (params.containsKey("id")) {
@@ -46,7 +46,7 @@ class Server(address: String, port: Int, captchaManager: CaptchaManager, playgro
       }
     )
     .POST(
-      "/v1/answer",
+      "/v2/answer",
       (request) => {
         val json = parse(request.getBodyString())
         val answer = json.extract[Answer]
@@ -70,7 +70,7 @@ class Server(address: String, port: Int, captchaManager: CaptchaManager, playgro
         <html>
           <h2>Welcome to LibreCaptcha server</h2>
           <h3><a href="/demo/index.html">Link to Demo</a></h3>
-          <h3>API is served at <b>/v1/</b></h3>
+          <h3>API is served at <b>/v2/</b></h3>
         </html>
         """
         new StringResponse(200, str)