peer-at-code-backend/src/dev/peerat/backend/routes/users/ForgotPassword.java

118 lines
3.3 KiB
Java

package dev.peerat.backend.routes.users;
import static dev.peerat.framework.RequestType.POST;
import java.lang.reflect.Constructor;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.UUID;
import java.util.regex.Matcher;
import dev.peerat.backend.model.PeerAtUser;
import dev.peerat.backend.repository.DatabaseRepository;
import dev.peerat.backend.utils.FormResponse;
import dev.peerat.backend.utils.Mail;
import dev.peerat.framework.Context;
import dev.peerat.framework.HttpReader;
import dev.peerat.framework.HttpWriter;
import dev.peerat.framework.Route;
import dev.peerat.framework.Router;
import dev.peerat.framework.utils.json.JsonMap;
public class ForgotPassword extends FormResponse{
private Router<PeerAtUser> router;
private DatabaseRepository repo;
private Mail mail;
private Map<String, String> codes;
private List<Random> randoms;
public ForgotPassword(Router<PeerAtUser> router, DatabaseRepository repo, Mail mail){
this.router = router;
this.repo = repo;
this.mail = mail;
this.codes = new HashMap<>();
this.randoms = new ArrayList<>();
Random random = new Random();
int randoms = random.nextInt(10)+3;
for(int i = 0; i < randoms; i++) this.randoms.add(new SecureRandom());
try {
Constructor<?> constructor = UUID.class.getDeclaredConstructor(byte[].class);
constructor.setAccessible(true);
this.uuidBuilder = constructor;
} catch (Exception e){
e.printStackTrace();
}
}
@Route(path = "^/user/fpw$", type = POST)
public void exec(Matcher matcher, Context context, HttpReader reader, HttpWriter writer) throws Exception {
if(context.isLogged()){
context.response(403);
return;
}
JsonMap json = json(reader);
if(!areValids("email")){
context.response(400);
return;
}
String email = json.get("email");
int player = repo.getPlayerId(email);
if(player < 0){
context.response(400);
return;
}
if(hasFields("code") && areValids("password")){
String checkCode = codes.get(email);
if(checkCode == null){
context.response(400);
return;
}
String code = json.<String>get("code");
String password = json.get("password");
if(checkCode.equals(code)){
codes.remove(email);
repo.updatePassword(player, password);
context.response(200,
"Access-Control-Expose-Headers: Authorization",
"Authorization: Bearer " + this.router.createAuthUser(new PeerAtUser(player)));
}else{
context.response(400);
}
}else{
String code = codeGenerator();
codes.put(email, code);
mail.send(email, "Forgot your Peer @ Code password ?", "Your check code is "+code+" !");
context.response(200);
}
}
private Constructor<?> uuidBuilder;
private String codeGenerator() throws Exception{
Random random = new Random();
Random target = this.randoms.get(random.nextInt(this.randoms.size()));
byte[] arrayOfByte = new byte[16];
target.nextBytes(arrayOfByte);
arrayOfByte[6] = (byte)(arrayOfByte[6] & 0xF);
arrayOfByte[6] = (byte)(arrayOfByte[6] | 0x40);
arrayOfByte[8] = (byte)(arrayOfByte[8] & 0x3F);
arrayOfByte[8] = (byte)(arrayOfByte[8] | 0x80);
return uuidBuilder.newInstance(arrayOfByte).toString();
}
}