Add user registration!

pom.xml

@@ -72,6 +72,11 @@
             <artifactId>mandrillClient</artifactId>
             <version>1.1</version>
         </dependency>
+        <dependency>
+            <groupId>org.mindrot</groupId>
+            <artifactId>jbcrypt</artifactId>
+            <version>0.3m</version>
+        </dependency>
         <dependency>
             <groupId>org.mongodb.morphia</groupId>
             <artifactId>morphia</artifactId>

src/main/java/net/frozenorb/apiv3/models/User.java

@@ -1,9 +1,11 @@
 package net.frozenorb.apiv3.models;
 
 import lombok.Getter;
+import lombok.Setter;
 import net.frozenorb.apiv3.APIv3;
 import net.frozenorb.apiv3.weirdStuff.ExcludeFromReplies;
 import org.bson.Document;
+import org.mindrot.jbcrypt.BCrypt;
 import org.mongodb.morphia.annotations.Entity;
 import org.mongodb.morphia.annotations.Id;
 
@@ -16,9 +18,10 @@ public final class User {
     @Getter private String lastName;
     @Getter @ExcludeFromReplies private Map<String, Date> aliases;
     @Getter @ExcludeFromReplies private String otpCode;
+    @Getter @ExcludeFromReplies @Setter private String emailToken;
+    @Getter @ExcludeFromReplies @Setter private Date emailTokenSet;
     @Getter @ExcludeFromReplies private String password;
-    @Getter @ExcludeFromReplies private String passwordSalt;
-    @Getter private String email;
+    @Getter @Setter private String email;
     @Getter private int phoneNumber;
     @Getter private String lastSeenOn;
     @Getter private Date lastSeenAt;
@@ -52,6 +55,10 @@ public final class User {
         return APIv3.getDatastore().createQuery(User.class).field("lastName").equalIgnoreCase(name).get();
     }
 
+    public static User byEmailToken(String name) {
+        return APIv3.getDatastore().createQuery(User.class).field("emailToken").equal(name).get();
+    }
+
     public static List<User> values() {
         return APIv3.getDatastore().createQuery(User.class).asList();
     }
@@ -64,7 +71,6 @@ public final class User {
         this.aliases = new HashMap<>();
         this.otpCode = null;
         this.password = null;
-        this.passwordSalt = null;
         this.email = null;
         this.phoneNumber = -1;
         this.lastSeenOn = null;
@@ -101,8 +107,8 @@ public final class User {
         return APIv3.getDatastore().createQuery(Punishment.class).field("target").equal(id).asList();
     }
 
-    public List<Punishment> getPunishments(Punishment.PunishmentType type) {
-        return APIv3.getDatastore().createQuery(Punishment.class).field("target").equal(id).field("type").equal(type).asList();
+    public List<Punishment> getPunishments(Collection<Punishment.PunishmentType> types) {
+        return APIv3.getDatastore().createQuery(Punishment.class).field("target").equal(id).field("type").in(types).asList();
     }
 
     public UserMetaEntry getMeta(ServerGroup group) {
@@ -120,4 +126,12 @@ public final class User {
         }
     }
 
+    public void setPassword(char[] unencrypted) {
+        this.password = BCrypt.hashpw(new String(unencrypted), BCrypt.gensalt());
+    }
+
+    public boolean checkPassword(char[] unencrypted) {
+        return BCrypt.checkpw(new String(unencrypted), password);
+    }
+
 }

src/main/java/net/frozenorb/apiv3/routes/GETRoutes.java

@@ -19,6 +19,7 @@ public final class GETRoutes implements Route {
     private Field pathField;
     private Field targetField;
 
+    @SuppressWarnings("unchecked") // Casting List to List<Object>
     public GETRoutes() {
         try {
             Object spark = Spark.getInstance();

src/main/java/net/frozenorb/apiv3/routes/POSTConfirmRegister.java

@@ -0,0 +1,55 @@
+package net.frozenorb.apiv3.routes;
+
+import com.google.common.collect.ImmutableList;
+import net.frozenorb.apiv3.APIv3;
+import net.frozenorb.apiv3.models.User;
+import net.frozenorb.apiv3.weirdStuff.ErrorUtils;
+import org.bson.Document;
+import spark.Request;
+import spark.Response;
+import spark.Route;
+
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+public final class POSTConfirmRegister implements Route {
+    
+    private List<String> commonPasswords = ImmutableList.copyOf(("123456 password 12345678 qwerty 123456789 12345 1234 111111 1234567 dragon " +
+            "123123 baseball abc123 football monkey letmein 696969 shadow master 666666 qwertyuiop 123321 mustang 1234567890 " +
+            "michael 654321 pussy superman 1qaz2wsx 7777777 fuckyou 121212 000000 qazwsx 123qwe killer trustno1 jordan jennifer " +
+            "zxcvbnm asdfgh hunter buster soccer harley batman andrew tigger sunshine iloveyou fuckme 2000 charlie robert thomas " +
+            "hockey ranger daniel starwars klaster 112233 george asshole computer michelle jessica pepper 1111 zxcvbn 555555 11111111" +
+            " 131313 freedom 777777 pass fuck maggie 159753 aaaaaa ginger princess joshua cheese amanda summer love ashley 6969 " +
+            "nicole chelsea biteme matthew access yankees 987654321 dallas austin thunder taylor matrix").split(" "));
+
+    public Object handle(Request req, Response res) {
+        User user = User.byEmailToken(req.params("emailToken"));
+
+        if (user == null) {
+            return ErrorUtils.notFound("Email token", req.params("emailToken"));
+        }
+
+        if (user.getEmail() != null) {
+            return ErrorUtils.error("User provided already has email set.");
+        }
+
+        if ((System.currentTimeMillis() - user.getEmailTokenSet().getTime()) > TimeUnit.DAYS.toMillis(2)) {
+            return ErrorUtils.error("Email token is expired");
+        }
+
+        String password = req.queryParams("password");
+
+        if (password.length() < 8) {
+            return ErrorUtils.error("Your password is too short.");
+        } else if (commonPasswords.contains(password)) {
+            return ErrorUtils.error("Your password is too common. Please use a more secure password.");
+        }
+
+        user.setEmailToken(null);
+        user.setPassword(password.toCharArray());
+        APIv3.getDatastore().save(user);
+
+        return new Document("success", true).append("message", "User confirmed");
+    }
+
+}

src/main/java/net/frozenorb/apiv3/routes/users/POSTUserNotify.java

@@ -21,7 +21,7 @@ public final class POSTUserNotify implements Route {
             return ErrorUtils.notFound("User", req.params("id"));
         }
 
-        if (user.getEmail() == null || user.getEmail().isEmpty()) {
+        if (user.getEmail() == null) {
             return ErrorUtils.error("User provided does not have email set.");
         }
 

src/main/java/net/frozenorb/apiv3/routes/users/POSTUserRegister.java

@@ -1,13 +1,28 @@
 package net.frozenorb.apiv3.routes.users;
 
+import com.google.common.collect.ImmutableMap;
+import net.frozenorb.apiv3.APIv3;
+import net.frozenorb.apiv3.models.NotificationTemplate;
 import net.frozenorb.apiv3.models.User;
 import net.frozenorb.apiv3.weirdStuff.ErrorUtils;
+import net.frozenorb.apiv3.weirdStuff.Notification;
+import org.bson.Document;
 import spark.Request;
 import spark.Response;
 import spark.Route;
 
+import java.math.BigInteger;
+import java.util.Date;
+import java.util.Map;
+import java.util.Random;
+import java.util.concurrent.TimeUnit;
+import java.util.regex.Pattern;
+
 public final class POSTUserRegister implements Route {
 
+    public static final Pattern VALID_EMAIL_ADDRESS_REGEX =
+            Pattern.compile("^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}$", Pattern.CASE_INSENSITIVE);
+
     public Object handle(Request req, Response res) {
         User user = User.byIdOrName(req.params("id"));
 
@@ -15,11 +30,39 @@ public final class POSTUserRegister implements Route {
             return ErrorUtils.notFound("User", req.params("id"));
         }
 
-        if (user.getEmail() == null || user.getEmail().isEmpty()) {
-            return ErrorUtils.error("User provided does not have email set.");
+        if (user.getEmail() != null) {
+            return ErrorUtils.error("User provided already has email set.");
         }
 
-        return null;
+        String email = req.queryParams("email");
+
+        if (!VALID_EMAIL_ADDRESS_REGEX.matcher(email).find()) {
+            return ErrorUtils.error(email + " is not a valid email.");
+        }
+
+        if (user.getEmailToken() != null && (System.currentTimeMillis() - user.getEmailTokenSet().getTime()) < TimeUnit.DAYS.toMillis(2)) {
+            return ErrorUtils.error("We just recently sent you a confirmation email. Please wait before trying to register again.");
+        }
+
+        user.setEmail(email);
+        user.setEmailToken(new BigInteger(130, new Random()).toString(32));
+        user.setEmailTokenSet(new Date());
+        APIv3.getDatastore().save(user);
+
+        Map<String, Object> replacements = ImmutableMap.of(
+                "username", user.getLastName(),
+                "email", user.getEmail(),
+                "emailToken", user.getEmailToken()
+        );
+
+        Notification notification = new Notification(NotificationTemplate.byId("email-confirmation"), replacements, replacements);
+
+        try {
+            notification.sendAsEmail(user.getEmail());
+            return new Document("success", true).append("message", "User registered");
+        } catch (Exception ex) {
+            return ErrorUtils.error("Failed to send confirmation email. Please contact a MineHQ staff member.");
+        }
     }
 
 }

src/main/java/net/frozenorb/apiv3/weirdStuff/ErrorUtils.java

@@ -14,12 +14,12 @@ public class ErrorUtils {
         return error("Unauthorized access: Permission \"" + permission + "\" required.");
     }
 
-    public static Document invalidInput(String reason) {
-        return error("Invalid input: " + reason);
+    public static Document invalidInput(String message) {
+        return error("Invalid input: " + message);
     }
 
-    public static Document error(String reason) {
-        return new Document("success", false).append("reason", reason);
+    public static Document error(String message) {
+        return new Document("success", false).append("message", message);
     }
 
 }

src/main/java/net/frozenorb/apiv3/weirdStuff/MandrillUtils.java

@@ -5,7 +5,7 @@ import com.cribbstechnologies.clients.mandrill.request.MandrillRESTRequest;
 import com.cribbstechnologies.clients.mandrill.util.MandrillConfiguration;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.experimental.UtilityClass;
-import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.http.impl.client.HttpClientBuilder;
 
 import java.util.Properties;
 
@@ -31,7 +31,7 @@ public class MandrillUtils {
 
         request.setConfig(config);
         request.setObjectMapper(new ObjectMapper());
-        request.setHttpClient(new DefaultHttpClient());
+        request.setHttpClient(HttpClientBuilder.create().build());
 
         MandrillMessagesRequest messagesRequest = new MandrillMessagesRequest();
         messagesRequest.setRequest(request);