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JsonHelper + PostgresHelper + acquire package (/transactions/packages)

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This commit is contained in:
Georg Reisinger
2020-12-29 16:59:37 +01:00
parent cd9e0a45e0
commit e9fcbb36dc
4 changed files with 369 additions and 232 deletions
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338
src/main/java/at/reisinger/DBConnection.java
View File

@@ -1,5 +1,7 @@
package at.reisinger;
import at.reisinger.server.helper.PostgresHelper;
import java.sql.*;
import java.util.ArrayList;
@@ -13,97 +15,158 @@ public class DBConnection {
private Connection c;
private Statement stmt;
private Connection con() {
this.c = null;
try {
Class.forName("org.postgresql.Driver");
this.c = DriverManager
.getConnection("jdbc:postgresql://postgres.dergeorg.at:5432/mtcg",
"user", "user");
} catch (Exception e) {
e.printStackTrace();
System.err.println(e.getClass().getName() + ": " + e.getMessage());
System.exit(0);
}
return c;
}
/**
* Erstellt alle Beispieldaten und simuliert somit den
* Verbindungsaufbau zu einer DB
*/
public DBConnection() {
this.c = con();
this.c = PostgresHelper.con();
}
/**
* Erstellt alle Tabellen die für den Betrieb der Software bennötigt werden
*
* @throws SQLException
*/
public void init() {
this.c = con();
try {
stmt = this.c.createStatement();
String sql = "CREATE TABLE IF NOT EXISTS USERS " +
"(username TEXT PRIMARY KEY NOT NULL," +
" nachname TEXT NOT NULL, " +
" email TEXT NOT NULL, " +
" password TEXT NOT NULL)";
stmt.executeUpdate(sql);
stmt.close();
this.c.close();
} catch (Exception e) {
System.err.println(e.getClass().getName() + ": " + e.getMessage());
System.exit(0);
}
System.out.println("User Table created");
PostgresHelper.executeUpdateMessage("CREATE TABLE IF NOT EXISTS USERS (username TEXT PRIMARY KEY NOT NULL, nachname TEXT NOT NULL, email TEXT NOT NULL, password TEXT NOT NULL)", "User Table created");
PostgresHelper.executeUpdate("CREATE TABLE IF NOT EXISTS CARD(NAME TEXT not null,DAMAGE FLOAT not null,ELEMENTTYP TEXT not null,CARDTYPE TEXT not null, PRIMARY KEY (\"name\"));");
PostgresHelper.executeUpdateMessage("create unique index IF NOT EXISTS card_name_uindex on CARD (NAME);", "Card Table created");
PostgresHelper.executeUpdateMessage("create table IF NOT EXISTS package(\"ID\" varchar(255) not null,name varchar(255) not null constraint name references card, i serial not null constraint package_i primary key );", "Package Table created");
PostgresHelper.executeUpdateMessage("create table IF NOT EXISTS user_cards(username TEXT not null constraint user_cards_users_username_fk references users,name text not null, gesperrt boolean not null);", "UserCards Table created");
}
this.c = con();
try {
stmt = this.c.createStatement();
String sql = "CREATE TABLE IF NOT EXISTS CARD(NAME TEXT not null,DAMAGE FLOAT not null,ELEMENTTYP TEXT not null,CARDTYPE TEXT not null, PRIMARY KEY (\"name\"));";
stmt.executeUpdate(sql);
stmt.close();
this.c.close();
} catch (Exception e) {
System.err.println(e.getClass().getName() + ": " + e.getMessage());
System.exit(0);
/**
* Holt ein Random package aus dem Shop
*
* @param username User der das Package haben möchte
* @return Das Package aus dem Shop, null falls ein Fehler auftritt
*/
public Package userAcquirePackage(String username) {
System.out.println("Vor den coins");
int coins = checkCoins(username);
if (!(coins - 5 >= 0)) {
return null;
}
this.c = con();
try {
stmt = this.c.createStatement();
String sql = "create unique index IF NOT EXISTS card_name_uindex on CARD (NAME);";
stmt.executeUpdate(sql);
stmt.close();
this.c.close();
} catch (Exception e) {
System.err.println(e.getClass().getName() + ": " + e.getMessage());
System.exit(0);
}
System.out.println("Card Table created");
updateCoins(coins - 5, username);
System.out.println("nach den soins");
this.c = con();
this.c = PostgresHelper.con();
String id = "";
try {
stmt = this.c.createStatement();
String sql = "create table IF NOT EXISTS package" +
"(" +
" \"ID\" varchar(255) not null," +
" name varchar(255) not null" +
" constraint name" +
" references card," +
" i serial not null" +
" constraint package_i" +
" primary key" +
");";
stmt.executeUpdate(sql);
ResultSet rs = stmt.executeQuery("select \"ID\" as id from package LIMIT 1;");
while (rs.next()) {
id = rs.getString("id");
System.out.println("id = " + id);
System.out.println();
}
rs.close();
stmt.close();
this.c.close();
} catch (Exception e) {
System.err.println(e.getClass().getName() + ": " + e.getMessage());
System.exit(0);
return null;
}
System.out.println("Package Table created");
System.out.println("Package selected successfully");
this.c = PostgresHelper.con();
String packagename = "", cardname = "", elementtyp = "", cardtype = "";
int zeilennummer = 0, damage = 0;
Cards cards = new Cards(new ArrayList<Card>());
try {
stmt = this.c.createStatement();
ResultSet rs = stmt.executeQuery("select i as zeilennummer, package.\"ID\" as id, package.name as packagename, c.name as cardname, c.DAMAGE as damage, c.ELEMENTTYP as elementtyp, c.CARDTYPE as cardtype from package join card c on c.name = package.name where \"ID\" = \'" + id + "\';");
int count = 0;
while (rs.next()) {
System.out.println(count++);
zeilennummer = rs.getInt("zeilennummer");
id = rs.getString("id");
packagename = rs.getString("packagename");
cardname = rs.getString("cardname");
elementtyp = rs.getString("elementtyp");
cardtype = rs.getString("cardtype");
damage = rs.getInt("damage");
Card newCard = new Card(cardname, elementtyp + cardtype, damage);
cards.addCard(newCard);
System.out.println();
Connection b = PostgresHelper.con();
try {
stmt = b.createStatement();
String sql = "INSERT INTO public.user_cards (username, name, gesperrt) VALUES ( \'" + username + "\',\'" + newCard.getName() + "\', \'false\');";
System.out.println(sql);
stmt.executeUpdate(sql);
stmt.close();
b.close();
} catch (Exception e) {
System.err.println(e.getClass().getName() + ": " + e.getMessage());
return null;
}
System.out.println("User got Card successfully");
}
rs.close();
stmt.close();
this.c.close();
} catch (Exception e) {
System.err.println(e.getClass().getName() + ": " + e.getMessage());
return null;
}
System.out.println("Package pulled successfully");
deletePackage(id);
if (cards.getCards().size() != 0 && cards != null) {
return new Package(cards, packagename, 5);
} else {
return null;
}
}
/**
* Löscht ein Package anhand des Namens
*
* @param name Name des Packages das gelöscht werden soll
* @return True bei erfolg, sonst false
*/
public boolean deletePackage(String name) {
return PostgresHelper.executeUpdateMessage("DELETE FROM package WHERE \"ID\" = \'" + name + "\';", "Package deleted successfully");
}
/**
* Coins setzten
*
* @param coins Anzahl die zu setzten ist
* @return True bei erfolg, sonst false
*/
public boolean updateCoins(int coins, String username) {
return PostgresHelper.executeUpdateMessage("UPDATE users SET coins = " + coins + " WHERE username = \'" + username + "\';", "Coins Updated");
}
/**
* Gibt die Anzahl an verfügbaren coins zurück
*
* @return Anzahl der Coins, -1 ist error
*/
public int checkCoins(String username) {
System.out.println("Check coin start");
this.c = PostgresHelper.con();
int coins = 0;
try {
stmt = this.c.createStatement();
ResultSet rs = stmt.executeQuery("Select coins from users where username = \'" + username + "\';");
while (rs.next()) {
coins = rs.getInt("coins");
System.out.println("Count: ");
System.out.print(coins);
}
rs.close();
stmt.close();
this.c.close();
} catch (Exception e) {
System.out.println("check soin error");
System.err.println(e.getClass().getName() + ": " + e.getMessage());
return -1;
}
System.out.println("\nCoins: " + coins);
return coins;
}
/**
@@ -113,7 +176,7 @@ public class DBConnection {
* @return True falls die Karte bereits existiert
*/
public boolean cardExists(String name) {
this.c = con();
this.c = PostgresHelper.con();
int count = 0;
try {
stmt = this.c.createStatement();
@@ -139,47 +202,36 @@ public class DBConnection {
/**
* Fügt eine Karte der DB hinzu
*
* @param card Card die hinzugefügt werden soll
* @return true bei erfolg, false bei error
*/
public boolean addCard(Card card) {
this.c = con();
try{
stmt = this.c.createStatement();
String sql = "insert into card (NAME, DAMAGE, ELEMENTTYP, CARDTYPE) values (\'" + card.getName() +"\',\'" + card.getDamage() + "\',\'" + card.getElementTyp().name() + "\',\'" + card.getCardType().name() + "\')";
System.out.println(sql);
stmt.executeUpdate(sql);
stmt.close();
this.c.close();
} catch ( Exception e ) {
System.err.println( e.getClass().getName()+": "+ e.getMessage() );
return false;
}
System.out.println("Card added");
return true;
return PostgresHelper.executeUpdateMessage("insert into card (NAME, DAMAGE, ELEMENTTYP, CARDTYPE) values (\'" + card.getName() + "\',\'" + card.getDamage() + "\',\'" + card.getElementTyp().name() + "\',\'" + card.getCardType().name() + "\')", "Card added");
}
/**
* Ermittelt die nächste Package ID
*
* @return Die Nächste Package id, wenn 0, dann ist ein error
*/
public int nextPackageId(){
this.c = con();
public int nextPackageId() {
this.c = PostgresHelper.con();
String id = "";
try{
try {
stmt = this.c.createStatement();
ResultSet rs = stmt.executeQuery( "select max(\"ID\") from package;");
while ( rs.next() ) {
ResultSet rs = stmt.executeQuery("select max(\"ID\") from package;");
while (rs.next()) {
id = rs.getString("max");
}
if (id == null){
if (id == null) {
id = "0";
}
rs.close();
stmt.close();
this.c.close();
} catch ( Exception e ) {
System.err.println( e.getClass().getName()+": "+ e.getMessage() );
} catch (Exception e) {
System.err.println(e.getClass().getName() + ": " + e.getMessage());
return 0;
}
System.out.println("Package Next id is: ");
@@ -191,121 +243,89 @@ public class DBConnection {
* Fügt eine Package der DB hinzu,
* wenn eine Karte aus dem Package noch nicht in der Db ist,
* dann wird es automatisch hinzugefuegt
*
* @param pack Pack welches hinzugefügt werden soll
* @return True bei erfolg, false bei fehler
*/
public boolean addPackage(Package pack) {
for (Card ca : pack.getCards()) {
if (!cardExists(ca.getName())) {
if(!addCard(ca)){
if (!addCard(ca)) {
return false;
}
}
this.c = con();
try {
stmt = this.c.createStatement();
String sql = "INSERT INTO package (\"ID\", \"name\") values (\'" + pack.getName() + "\',\'" + ca.getName() + "\');";
System.out.println(sql);
stmt.executeUpdate(sql);
stmt.close();
this.c.close();
} catch (Exception e) {
System.err.println(e.getClass().getName() + ": " + e.getMessage());
if(!PostgresHelper.executeUpdateMessage("INSERT INTO package (\"ID\", \"name\") values (\'" + pack.getName() + "\',\'" + ca.getName() + "\');", "Card zu Package hinzugefügt")){
return false;
}
System.out.println("Card zu Package hinzugefügt");
}
return true;
}
/**
* Fügt einen User der DB hinzu
*
* @param username Username des Users
* @param password Passwort des Users
* @param nachname nachname des Users
* @param email Email des Users
* @param email Email des Users
* @return True wenn alles erfolgreich war, false wenn es nicht erfolgreich war
*/
public boolean addUser(String username, String password, String nachname, String email){
this.c = con();
try{
stmt = this.c.createStatement();
String sql = "INSERT INTO users (username, nachname, email, password) values (\'" + username +"\',\'" + nachname + "\',\'" + email + "\',\'" + password + "\')";
System.out.println(sql);
stmt.executeUpdate(sql);
stmt.close();
this.c.close();
} catch ( Exception e ) {
System.err.println( e.getClass().getName()+": "+ e.getMessage() );
return false;
}
System.out.println("User added");
return true;
public boolean addUser(String username, String password, String nachname, String email) {
return PostgresHelper.executeUpdateMessage("INSERT INTO users (username, nachname, email, password) values (\'" + username + "\',\'" + nachname + "\',\'" + email + "\',\'" + password + "\')", "User added");
}
/**
* Sucht einen User anhand des Usernamens.
* Gibt ein User Objekt zurück
*
* @param uname Username der zu suchen ist
* @return User als User Objekt
* @throws SQLException Fehler bei der Suche in der DB
*/
public User getUser(String uname) throws SQLException {
this.c = con();
String username="", password="", email ="", nachname = "";
try{
stmt = this.c.createStatement();
ResultSet rs = stmt.executeQuery( "SELECT * FROM users where username = \'" + uname + "\';" );
while ( rs.next() ) {
username = rs.getString("username");
nachname = rs.getString("nachname");
email = rs.getString("email");
password = rs.getString("password");
System.out.println( "username = " + username );
System.out.println( "nachname = " + nachname );
System.out.println( "email = " + email );
System.out.println( "password = " + password );
System.out.println();
}
rs.close();
stmt.close();
this.c.close();
} catch ( Exception e ) {
System.err.println( e.getClass().getName()+": "+ e.getMessage() );
this.c = PostgresHelper.con();
String username = "", password = "", email = "", nachname = "";
try {
stmt = this.c.createStatement();
ResultSet rs = stmt.executeQuery("SELECT * FROM users where username = \'" + uname + "\';");
while (rs.next()) {
username = rs.getString("username");
nachname = rs.getString("nachname");
email = rs.getString("email");
password = rs.getString("password");
System.out.println("username = " + username);
System.out.println("nachname = " + nachname);
System.out.println("email = " + email);
System.out.println("password = " + password);
System.out.println();
}
rs.close();
stmt.close();
this.c.close();
} catch (Exception e) {
System.err.println(e.getClass().getName() + ": " + e.getMessage());
System.exit(0);
}
System.out.println("Operation done successfully");
System.out.println("Operation done successfully");
return new User(new Credentials(username, password), username, username, email, new Coins(20));
}
/**
* Holt alle verfügbaren TradingDeals
*
* @return Alle Trading Deals
*/
public ArrayList<TradingDeal> getAllTradingDeals(){
public ArrayList<TradingDeal> getAllTradingDeals() {
return this.tradingDeals;
}
/**
* Holt alle verfügbaren Packages
* @return Alle Packages
*/
public ArrayList<Package> getAllPackages(){
return this.packages;
}
/**
* Fügt einen neuen Tradingdeal zum at.reisinger.Store hinzu
*
* @param tradingDeal Der neue Deal
*/
public void addTradingDeal(TradingDeal tradingDeal){
public void addTradingDeal(TradingDeal tradingDeal) {
this.tradingDeals.add(tradingDeal);
}
// /**
// * Fügt ein neues at.reisinger.Package zu dem at.reisinger.Store hinzu
// * @param packageDeal Das neue at.reisinger.Package
// */
// public void addPackage(at.reisinger.Package packageDeal){
// this.packages.add(packageDeal);
// }
}

53
src/main/java/at/reisinger/server/helper/JsonHelper.java
View File

@@ -1,7 +1,60 @@
package at.reisinger.server.helper;
import at.reisinger.Card;
import at.reisinger.Cards;
import at.reisinger.Package;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.util.ArrayList;
import java.util.Map;
/**
* Hilfsfunktionen für Jackson Json
*/
public class JsonHelper {
/**
* Wandelt ein Package in form einer ArrayList<Card> om ein Json um
* @param listCards Cards die in dem Json stehen sollen
* @param name Name des Packages
* @return Json String des Packages
*/
public static String packageListToJson(ArrayList<Card> listCards, String name){
Package packageCards = new Package(new Cards(listCards),name, 5);
return packageToJson(packageCards);
}
/**
* Wandelt ein Package Objekt in ein Json um
* @param packageCards Package Objekt das in ein Json umgewandelt werden soll
* @return Json String des Packages
*/
public static String packageToJson(Package packageCards){
ObjectMapper objectMapper = new ObjectMapper();
objectMapper = new ObjectMapper();
String packageJson = "";
if(packageCards != null) {
try {
packageJson += objectMapper.writeValueAsString(packageCards);
} catch (JsonProcessingException e) {
packageJson = "Error: JsonProcessingException -> " + e.getMessage();
}
return packageJson;
}else{
return null;
}
}
public static Map<String, Object> jsonPayload2ToMap(String payload){
ObjectMapper objectMapper = new ObjectMapper();
try {
return objectMapper.readValue(payload, new TypeReference<Map<String,Object>>(){});
} catch (JsonProcessingException e) {
e.printStackTrace();
return null;
}
}
}

61
src/main/java/at/reisinger/server/helper/PostgresHelper.java Normal file
View File

@@ -0,0 +1,61 @@
package at.reisinger.server.helper;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
/**
* Hilfsfunktionen für die verwendung der Postgres DB
*/
public class PostgresHelper {
/**
* Verbindet mit der Datenbank
* @return Das Connection Objekt
*/
public static Connection con() {
Connection c = null;
try {
Class.forName("org.postgresql.Driver");
c = DriverManager
.getConnection("jdbc:postgresql://postgres.dergeorg.at:5432/mtcg",
"user", "user");
} catch (Exception e) {
e.printStackTrace();
System.err.println(e.getClass().getName() + ": " + e.getMessage());
System.exit(0);
}
return c;
}
/**
* Führt ein Sql statement ohne rückgabe aus, mit message nachricht
* @param sql Sql command
* @return True bei erfolg, sonst false
*/
public static boolean executeUpdateMessage(String sql, String message){
boolean tmp = executeUpdate(sql);
System.out.println(message);
return tmp;
}
/**
* Führt ein Sql statement ohne rückgabe aus
* @param sql Sql command
* @return True bei erfolg, sonst false
*/
public static boolean executeUpdate(String sql){
Connection c = con();
Statement stmt;
try {
stmt = c.createStatement();
stmt.executeUpdate(sql);
stmt.close();
c.close();
} catch (Exception e) {
System.err.println(e.getClass().getName() + ": " + e.getMessage());
return false;
}
return true;
}
}

149
src/main/java/at/reisinger/server/objects/Response.java
View File

@@ -2,10 +2,12 @@ package at.reisinger.server.objects;
import at.reisinger.*;
import at.reisinger.Package;
import at.reisinger.server.helper.JsonHelper;
import at.reisinger.server.msg.MsgHandler;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.postgresql.shaded.com.ongres.scram.common.bouncycastle.pbkdf2.Pack;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
@@ -28,8 +30,6 @@ public class Response {
private String url;
private String payload;
private String authString;
private MsgHandler msgHandler;
private StringBuilder rqBuilder;
/**
* Nimmt die Daten des requests und generiert eine Response
@@ -47,7 +47,6 @@ public class Response {
this.cmd = cmd;
this.out = out;
this.payload = payload;
this.rqBuilder = new StringBuilder();
System.out.println(cmd);
if (this.url != null) {
if (this.cmd.equals("GET")) {
@@ -70,20 +69,7 @@ public class Response {
private void getMethodes(){
if (this.url.startsWith("/messages")) {
String lastBit = this.url.substring(this.url.lastIndexOf('/') + 1);
System.out.println("Last Bit: " + lastBit);
if(lastBit.equals("messages")){
listAllMsg();
}else{
String message = msgHandler.getMsg(Integer.parseInt(lastBit)).getMsg();
if(message == null){
sendError("404");
}else {
sendResponse(message, "200");
}
}
} else if (this.url.startsWith("/")) {
startseite();
}
}
@@ -102,6 +88,12 @@ public class Response {
return false;
}
/**
* Erstellt den basicAuth Base64 Token aus Username und Passwort
* @param username Username für den Token
* @param password Passwort für den Token
* @return Der Base64 BasicAtuth String
*/
private String basicAuthBase64(String username, String password){
String authString = username + ":" + password;
//System.out.println("auth string: " + authString);
@@ -111,28 +103,33 @@ public class Response {
return authStringEnc;
}
private String basicAuthGetUsername(String authString) throws UnsupportedEncodingException {
/**
* Aus dem Base64 BasicAuth String wird der Username extrahiert
* @param authString Base64 BasicAuth String aus dem der Username ausgelesen werden soll
* @return Der Username der in dem Base64 BasicAuth String ist
*/
private String basicAuthGetUsername(String authString) {
String[] values;
System.out.println("auth To username");
if (authString != null) {
System.out.println("1");
byte[] credDecoded = Base64.getDecoder().decode(authString);
System.out.println("2");
String credentials = new String(credDecoded);
System.out.println("credentials: ");
System.out.println(credentials);
// credentials = username:password
values = credentials.split(":", 2);
System.out.println("credentials: ");
System.out.println(values[0]);
}else{
values = null;
}
return values[0];
}
/**
* Alle Post Methoden, siehe API beschreibung für genauere details
* @throws JsonProcessingException Fehler beim de-/serialisieren
*/
private void postMethodes() throws JsonProcessingException {
if (this.url.startsWith("/users")) {
//payload to map
ObjectMapper objectMapper = new ObjectMapper();
Map<String, Object> map = objectMapper.readValue(this.payload, new TypeReference<Map<String,Object>>(){});
Map<String, Object> map = JsonHelper.jsonPayload2ToMap(this.payload);
String username = (String) map.get("Username");
String password = (String) map.get("Password");
User newUser = new User(new Credentials(username, password), username, username, "not implemented", new Coins(20));
@@ -143,6 +140,7 @@ public class Response {
}
//User to json
ObjectMapper objectMapper = new ObjectMapper();
objectMapper = new ObjectMapper();
String userJson = "";
if(newUser != null) {
@@ -156,9 +154,7 @@ public class Response {
sendError("500");
}
}else if (this.url.startsWith("/sessions")) {
//payload to map
ObjectMapper objectMapper = new ObjectMapper();
Map<String, Object> map = objectMapper.readValue(this.payload, new TypeReference<Map<String,Object>>(){});
Map<String, Object> map = JsonHelper.jsonPayload2ToMap(this.payload);
String username = (String) map.get("Username");
String password = (String) map.get("Password");
User user = null;
@@ -178,26 +174,14 @@ public class Response {
}
}else if (this.url.startsWith("/packages")) {
if(basicAuth("admin", "admin", this.authString)){
System.out.println("1");
ObjectMapper objectMapper = new ObjectMapper();
System.out.println("2");
ArrayList<Card> listCards = objectMapper.readValue(this.payload, new TypeReference<ArrayList<Card>>(){});
System.out.println("List cards");
System.out.println(listCards.toString());
Package packageCards = new Package(new Cards(listCards), new DBConnection().nextPackageId()+"", 5);
System.out.println("3");
if(!new DBConnection().addPackage(packageCards)){
sendError("500");
}else{
//Package to json
objectMapper = new ObjectMapper();
String packageJson = "";
if(packageCards != null) {
try {
packageJson += objectMapper.writeValueAsString(packageCards);
} catch (JsonProcessingException e) {
packageJson = "Error: JsonProcessingException -> " + e.getMessage();
}
String packageJson = JsonHelper.packageToJson(packageCards);
if(packageJson != null) {
sendResponse(packageJson, "201");
}else{
sendError("500");
@@ -206,32 +190,62 @@ public class Response {
}else{
sendError("401");
}
}else if (this.url.startsWith("/transactions/packages")) {
if(login()){
DBConnection db = new DBConnection();
Package newPackage = db.userAcquirePackage(basicAuthGetUsername(this.authString));
if (newPackage == null){
sendError("500");
}else{
String packageJson = JsonHelper.packageToJson(newPackage);
if(packageJson == null){
sendError("500");
}else {
sendResponse(packageJson, "200");
}
}
}else{
sendError("401");
}
}
}
/**
* Prüft den Login, anhand des BasicAuth Base64 String
* @return True wenn login daten korrekt, sonst false
*/
private boolean login(){
String username = basicAuthGetUsername(this.authString);
User user = null;
DBConnection con = new DBConnection();
try {
user = con.getUser(username);
} catch (SQLException throwables) {
throwables.printStackTrace();
return false;
}
if (basicAuth(user.getCredentials().getUsername(), user.getCredentials().getPasswort(), this.authString)){
return true;
}else{
return false;
}
}
/**
* Alle Put Methoden, siehe API beschreibung für genauere details
* @throws JsonProcessingException Fehler beim de-/serialisieren
*/
private void putMethodes(){
if (this.url.startsWith("/messages")) {
String lastBit = this.url.substring(this.url.lastIndexOf('/') + 1);
System.out.println("Last Bit: " + lastBit);
System.out.println("Payload" + this.payload);
String message = msgHandler.editMsg(Integer.parseInt(lastBit), this.payload);
if(message == null){
sendError("404");
}else {
sendResponse("","200");
}
}
}
/**
* Alle Delete Methoden, siehe API beschreibung für genauere details
* @throws JsonProcessingException Fehler beim de-/serialisieren
*/
private void deleteMethodes(){
if (this.url.startsWith("/messages")) {
String lastBit = this.url.substring(this.url.lastIndexOf('/') + 1);
String message = msgHandler.delMsg(Integer.parseInt(lastBit));
if(message == null){
sendError("404");
}else {
sendResponse("", "200");
}
}
}
@@ -249,6 +263,9 @@ public class Response {
//out.print(responseText);
}
/**
* Sendet eine Startseite, mit allen befehlen und wie man diese verwendet
private void startseite() {
sendResponse("lists all messages: GET /messages<br>" +
"add message: POST /messages (Payload: the message; Response an id like1)<br>" +
@@ -257,11 +274,7 @@ public class Response {
"update first message: PUT /messages/1 (Payload: the message)<br>" +
"remove first message: DELETE /messages/1<br>", "200");
}
private void listAllMsg() {
sendResponse(msgHandler.getAllMsg(), "200");
//sendResponse("Test");
}
*/
/**
* Sendet eine Response
@@ -276,14 +289,4 @@ public class Response {
out.print("\r\n");
out.print(responseText);
}
/**
* Get Msg Handler
*
* @return msgHandler Handler der Nachrichten
*/
public MsgHandler getMsghandler() {
return this.msgHandler;
}
}