#930 Change captcha storage to change code internally upon failure

- Within CaptchaStorage#checkCode, a player's captcha code is overridden with a new one on failure or cleared on success
- Fixes inconsistencies in the retrieval / regeneration of codes
This commit is contained in:
ljacqu 2018-01-06 02:31:26 +01:00
parent 180bbbf0be
commit 84b376d2a5
8 changed files with 48 additions and 34 deletions

View File

@ -53,7 +53,7 @@ public class CaptchaCommand extends PlayerCommand {
commonService.send(player, MessageKey.LOGIN_MESSAGE);
limboService.unmuteMessageTask(player);
} else {
String newCode = loginCaptchaManager.generateCode(player.getName());
String newCode = loginCaptchaManager.getCaptchaCodeOrGenerateNew(player.getName());
commonService.send(player, MessageKey.CAPTCHA_WRONG_ERROR, newCode);
}
}
@ -64,7 +64,7 @@ public class CaptchaCommand extends PlayerCommand {
commonService.send(player, MessageKey.CAPTCHA_SUCCESS);
commonService.send(player, MessageKey.REGISTER_MESSAGE);
} else {
String newCode = registrationCaptchaManager.generateCode(player.getName());
String newCode = registrationCaptchaManager.getCaptchaCodeOrGenerateNew(player.getName());
commonService.send(player, MessageKey.CAPTCHA_WRONG_ERROR, newCode);
}
}

View File

@ -61,7 +61,7 @@ public class CaptchaCodeStorage {
* @param name the name of the player to generate a code for
* @return the generated code
*/
public String generateCode(String name) {
private String generateCode(String name) {
String code = RandomStringUtils.generate(captchaLength);
captchaCodes.put(name.toLowerCase(), code);
return code;
@ -69,6 +69,7 @@ public class CaptchaCodeStorage {
/**
* Checks the given code against the existing one. Upon success, the saved captcha code is removed from storage.
* Upon failure, a new code is generated.
*
* @param name the name of the player to check
* @param code the supplied code
@ -80,6 +81,8 @@ public class CaptchaCodeStorage {
if (savedCode != null && savedCode.equalsIgnoreCase(code)) {
captchaCodes.remove(nameLowerCase);
return true;
} else {
generateCode(name);
}
return false;
}

View File

@ -24,16 +24,10 @@ public interface CaptchaManager {
String getCaptchaCodeOrGenerateNew(String name);
/**
* Generates a code for the player and returns it.
*
* @param name the name of the player to generate a code for
* @return the generated code
*/
String generateCode(String name);
/**
* Checks the given code against the existing one. This method may perform additional state changes
* on success or failure, such as modifying some counter or setting a player as verified.
* Checks the given code against the existing one. This method is not reentrant, i.e. it performs additional
* state changes on success or failure, such as modifying some counter or setting a player as verified.
* <p>
* On success, the code associated with the player is cleared; on failure, a new code is generated.
*
* @param player the player to check
* @param code the supplied code

View File

@ -51,11 +51,6 @@ public class LoginCaptchaManager implements CaptchaManager, SettingsDependent, H
return captchaCodeStorage.getCodeOrGenerateNew(name);
}
@Override
public String generateCode(String name) {
return captchaCodeStorage.generateCode(name);
}
@Override
public boolean checkCode(Player player, String code) {
String nameLower = player.getName().toLowerCase();

View File

@ -45,20 +45,14 @@ public class RegistrationCaptchaManager
return captchaCodeStorage.getCodeOrGenerateNew(name);
}
@Override
public String generateCode(String name) {
return captchaCodeStorage.generateCode(name);
}
@Override
public boolean checkCode(Player player, String code) {
String nameLower = player.getName().toLowerCase();
boolean isCodeCorrect = captchaCodeStorage.checkCode(nameLower, code);
if (isCodeCorrect) {
verifiedNamesForRegistration.add(nameLower);
} else {
limboService.resetMessageTask(player, false);
}
limboService.resetMessageTask(player, false);
return isCodeCorrect;
}

View File

@ -111,7 +111,7 @@ public class CaptchaCommandTest {
String captchaCode = "2468";
given(loginCaptchaManager.checkCode(player, captchaCode)).willReturn(false);
String newCode = "1337";
given(loginCaptchaManager.generateCode(name)).willReturn(newCode);
given(loginCaptchaManager.getCaptchaCodeOrGenerateNew(name)).willReturn(newCode);
// when
command.executeCommand(player, Collections.singletonList(captchaCode));
@ -119,7 +119,7 @@ public class CaptchaCommandTest {
// then
verify(loginCaptchaManager).isCaptchaRequired(name);
verify(loginCaptchaManager).checkCode(player, captchaCode);
verify(loginCaptchaManager).generateCode(name);
verify(loginCaptchaManager).getCaptchaCodeOrGenerateNew(name);
verifyNoMoreInteractions(loginCaptchaManager);
verify(commonService).send(player, MessageKey.CAPTCHA_WRONG_ERROR, newCode);
verifyNoMoreInteractions(commonService);
@ -153,14 +153,14 @@ public class CaptchaCommandTest {
given(registrationCaptchaManager.isCaptchaRequired(name)).willReturn(true);
String captchaCode = "SFL3";
given(registrationCaptchaManager.checkCode(player, captchaCode)).willReturn(false);
given(registrationCaptchaManager.generateCode(name)).willReturn("new code");
given(registrationCaptchaManager.getCaptchaCodeOrGenerateNew(name)).willReturn("new code");
// when
command.executeCommand(player, Collections.singletonList(captchaCode));
// then
verify(registrationCaptchaManager).checkCode(player, captchaCode);
verify(registrationCaptchaManager).generateCode(name);
verify(registrationCaptchaManager).getCaptchaCodeOrGenerateNew(name);
verify(commonService).send(player, MessageKey.CAPTCHA_WRONG_ERROR, "new code");
}

View File

@ -7,7 +7,9 @@ import fr.xephi.authme.util.expiring.TimedCounter;
import org.bukkit.entity.Player;
import org.junit.Test;
import static fr.xephi.authme.AuthMeMatchers.stringWithLength;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.not;
import static org.junit.Assert.assertThat;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
@ -47,17 +49,34 @@ public class LoginCaptchaManagerTest {
String captchaCode = manager.getCaptchaCodeOrGenerateNew(name);
// when
boolean badResult = manager.checkCode(player, "wrong_code");
boolean goodResult = manager.checkCode(player, captchaCode);
boolean result = manager.checkCode(player, captchaCode);
// then
assertThat(captchaCode.length(), equalTo(4));
assertThat(badResult, equalTo(false));
assertThat(goodResult, equalTo(true));
assertThat(captchaCode, stringWithLength(4));
assertThat(result, equalTo(true));
// Supplying correct code should clear the entry, and a code should be invalid if no entry is present
assertThat(manager.checkCode(player, "bogus"), equalTo(false));
}
@Test
public void shouldGenerateNewCodeOnFailure() {
// given
String name = "Tarheel";
Player player = mock(Player.class);
given(player.getName()).willReturn(name);
Settings settings = mockSettings(1, 9);
LoginCaptchaManager manager = new LoginCaptchaManager(settings);
String captchaCode = manager.getCaptchaCodeOrGenerateNew(name);
// when
boolean result = manager.checkCode(player, "wrongcode");
// then
assertThat(captchaCode, stringWithLength(9));
assertThat(result, equalTo(false));
assertThat(manager.getCaptchaCodeOrGenerateNew(name), not(equalTo(captchaCode)));
}
@Test
public void shouldHaveSameCodeAfterGeneration() {
// given

View File

@ -1,23 +1,28 @@
package fr.xephi.authme.data.captcha;
import fr.xephi.authme.ReflectionTestUtils;
import fr.xephi.authme.data.limbo.LimboService;
import fr.xephi.authme.settings.Settings;
import fr.xephi.authme.settings.properties.SecuritySettings;
import fr.xephi.authme.util.expiring.ExpiringMap;
import org.bukkit.entity.Player;
import org.junit.Test;
import org.mockito.Mockito;
import static fr.xephi.authme.AuthMeMatchers.stringWithLength;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
/**
* Test for {@link RegistrationCaptchaManager}.
*/
public class RegistrationCaptchaManagerTest {
private LimboService limboService = Mockito.mock(LimboService.class);
@Test
public void shouldBeDisabled() {
// given
@ -45,6 +50,7 @@ public class RegistrationCaptchaManagerTest {
String captcha = "abc3";
RegistrationCaptchaManager captchaManager = new RegistrationCaptchaManager(settings);
captchaManager.setLimboService(limboService);
getCodeMap(captchaManager).put("test", captcha);
Player player = mock(Player.class);
@ -57,6 +63,7 @@ public class RegistrationCaptchaManagerTest {
assertThat(isSuccessful, equalTo(true));
assertThat(getCodeMap(captchaManager).isEmpty(), equalTo(true));
assertThat(captchaManager.isCaptchaRequired("test"), equalTo(false));
verify(limboService).resetMessageTask(player, false);
}
@Test
@ -67,6 +74,7 @@ public class RegistrationCaptchaManagerTest {
int captchaLength = 9;
given(settings.getProperty(SecuritySettings.CAPTCHA_LENGTH)).willReturn(captchaLength);
RegistrationCaptchaManager captchaManager = new RegistrationCaptchaManager(settings);
captchaManager.setLimboService(limboService);
// when
String captcha1 = captchaManager.getCaptchaCodeOrGenerateNew("toast");
@ -82,6 +90,7 @@ public class RegistrationCaptchaManagerTest {
// when (2) / then (2)
assertThat(captchaManager.checkCode(player, captcha1), equalTo(true));
verify(limboService).resetMessageTask(player, false);
}
@SuppressWarnings("unchecked")