peer-at-code-backend/src/be/jeffcheasey88/peeratcode/webserver/Router.java
2023-02-24 00:08:17 +01:00

76 lines
No EOL
2.4 KiB
Java

package be.jeffcheasey88.peeratcode.webserver;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import org.jose4j.jwk.RsaJsonWebKey;
import org.jose4j.jwk.RsaJwkGenerator;
import org.jose4j.jws.AlgorithmIdentifiers;
import org.jose4j.jws.JsonWebSignature;
import org.jose4j.jwt.JwtClaims;
import org.jose4j.lang.JoseException;
import be.jeffcheasey88.peeratcode.repository.DatabaseRepository;
public class Router{
private List<Response> responses;
private Response noFileFound;
private RsaJsonWebKey rsaJsonWebKey;
private DatabaseRepository repo;
public Router(DatabaseRepository repo) throws Exception{
this.repo = repo;
this.responses = new ArrayList<>();
this.rsaJsonWebKey = RsaJwkGenerator.generateJwk(2048);
}
public DatabaseRepository getDataBase(){
return this.repo;
}
public void register(Response response){
this.responses.add(response);
}
public void setDefault(Response response){
this.noFileFound = response;
}
public void exec(String type, String path, User user, HttpReader reader, HttpWriter writer) throws Exception {
for(Response response : this.responses){
if(type.equals(response.getType())){
Matcher matcher = response.getPattern().matcher(path);
if(matcher.matches()){
response.exec(matcher, user, reader, writer);
return;
}
}
}
if(noFileFound != null) noFileFound.exec(null, user, reader, writer);
}
public RsaJsonWebKey getWebKey(){
return this.rsaJsonWebKey;
}
public String createAuthUser(int id) throws JoseException{
JwtClaims claims = new JwtClaims();
claims.setIssuer("Issuer"); // who creates the token and signs it
claims.setAudience("Audience"); // to whom the token is intended to be sent
claims.setExpirationTimeMinutesInTheFuture(10); // time when the token will expire (10 minutes from now)
claims.setGeneratedJwtId(); // a unique identifier for the token
claims.setIssuedAtToNow(); // when the token was issued/created (now)
claims.setNotBeforeMinutesInThePast(2); // time before which the token is not yet valid (2 minutes ago)
claims.setClaim("id", id);
JsonWebSignature jws = new JsonWebSignature();
jws.setPayload(claims.toJson());
jws.setKey(rsaJsonWebKey.getPrivateKey());
jws.setKeyIdHeaderValue(rsaJsonWebKey.getKeyId());
jws.setAlgorithmHeaderValue(AlgorithmIdentifiers.RSA_USING_SHA256);
return jws.getCompactSerialization();
}
}