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Conflict resolution 

Signed-off-by: Rahul Rudragoudar <rr83019@gmail.com>
This commit is contained in:
Rahul Rudragoudar 2019-06-09 14:04:25 +05:30
parent b9ef0c6d2e
commit 7c7285b9f7
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GPG Key ID: EC2AAF721D545305
4 changed files with 81 additions and 1 deletions
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23
client/index.html Normal file
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@ -0,0 +1,23 @@
<!DOCTYPE html>
<html>
<head>
<title>Libre Captcha</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="header">
<h1>Libre Captcha</h1><hr>
<h2>Open Source solution to Captchas</h2>
<h3>v0.2 (Beta)</h3>
</div>
<div class="form">
<input type="text" id="email" placeholder="email">
<input type="button" id="reg-btn" value="Register">
<!-- <p id="token"></p> -->
</div>
<div class="secret">
<h4 id="token"></h4>
</div>
<script src="script.js"></script>
</body>
</html>

9
client/script.js Normal file
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@ -0,0 +1,9 @@
document.getElementById("reg-btn").addEventListener("click", function(){
var email = document.getElementById("email").value;
var url = window.location.origin+"/v1/token?email="+email
fetch(url)
.then(res => res.json())
.then((data) => {
document.getElementById("token").innerHTML = "SECRET "+data.token;
})
})

24
client/style.css Normal file
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@ -0,0 +1,24 @@
body {
font-family: sans-serif;
}
.header {
text-align: center;
}
.form {
width: 200px;
margin: 0 auto;
}
.form input {
width: 100%;
margin: 2px;
padding: 2px;
}
#token {
margin: 10px;
padding: 3px;
text-align: center;
}

26
src/main/scala/lc/Main.scala
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@ -24,11 +24,13 @@ class Captcha(throttle: Int) {
val stmt: Statement = con.createStatement()
stmt.execute("CREATE TABLE IF NOT EXISTS challenge(token varchar, id varchar, secret varchar, provider varchar, contentType varchar, image blob, solved boolean default False, PRIMARY KEY(token))")
stmt.execute("CREATE TABLE IF NOT EXISTS mapId(uuid varchar, token varchar, PRIMARY KEY(uuid), FOREIGN KEY(token) REFERENCES challenge(token))")
stmt.execute("CREATE TABLE IF NOT EXISTS users(email varchar, hash int)")
val insertPstmt: PreparedStatement = con.prepareStatement("INSERT INTO challenge(token, id, secret, provider, contentType, image) VALUES (?, ?, ?, ?, ?, ?)")
val mapPstmt: PreparedStatement = con.prepareStatement("INSERT INTO mapId(uuid, token) VALUES (?, ?)")
val selectPstmt: PreparedStatement = con.prepareStatement("SELECT secret, provider FROM challenge WHERE token = ?")
val imagePstmt: PreparedStatement = con.prepareStatement("SELECT image FROM challenge c, mapId m WHERE c.token=m.token AND m.uuid = ?")
val updatePstmt: PreparedStatement = con.prepareStatement("UPDATE challenge SET solved = True WHERE token = ?")
val updatePstmt: PreparedStatement = con.prepareStatement("UPDATE challenge c, mapId m SET c.solved = True WHERE c.token = m.token AND m.uuid = ?")
val userPstmt: PreparedStatement = con.prepareStatement("INSERT INTO users(email, hash) VALUES (?,?)")
val providers = Map("FilterChallenge" -> new FilterChallenge,
"FontFunCaptcha" -> new FontFunCaptcha,
@ -128,6 +130,16 @@ class Captcha(throttle: Int) {
providers(provider).checkAnswer(secret, answer.answer)
}
def getHash(email: String): Int = {
val secret = ""
val str = email+secret
val hash = str.hashCode()
userPstmt.setString(1, email)
userPstmt.setInt(2, hash)
userPstmt.executeUpdate()
hash
}
def display(): Unit = {
val rs: ResultSet = stmt.executeQuery("SELECT * FROM challenge")
println("token\t\tid\t\tsecret\t\tsolved")
@ -149,6 +161,7 @@ case class Size(height: Int, width: Int)
case class Parameters(level: String, media: String, input_type: String, size: Option[Size])
case class Id(id: String)
case class Answer(answer: String, id: String)
case class Secret(token: Int)
class Server(port: Int){
val captcha = new Captcha(0)
@ -194,6 +207,17 @@ class Server(port: Int){
0
},"POST")
host.addContext("/v1/register", new FileContextHandler(new File("client/")))
host.addContext("/v1/token", (req,resp) => {
val params = req.getParams()
val hash = captcha.getHash(params.get("email"))
val token = Secret(hash)
resp.getHeaders().add("Content-Type", "application/json")
resp.send(200, write(token))
0
})
def start(): Unit = {
server.start()
}