Email verification code (#1382)

* Base verification code implementation, must define command, manager, events
* VerificationManager, verification command and messages, handled some sensible commands, configuration values
* Improved manager and sensible commands trigger
* Updated messages
* Updated verification code manager, fixed tests
* Switched to a permission based command
* Verification manager and command improved and added tests
* Edited messages

docs/commands.md

@@ -1,5 +1,5 @@
 <!-- AUTO-GENERATED FILE! Do not edit this directly -->
-<!-- File auto-generated on Sun Oct 08 19:56:41 CEST 2017. See docs/commands/commands.tpl.md -->
+<!-- File auto-generated on Sat Oct 28 10:39:36 CEST 2017. See docs/commands/commands.tpl.md -->
 
 ## AuthMe Commands
 You can use the following commands to use the features of AuthMe. Mandatory arguments are marked with `< >`
@@ -32,7 +32,7 @@ brackets; optional arguments are enclosed in square brackets (`[ ]`).
   <br />Requires `authme.admin.firstspawn`
 - **/authme setfirstspawn**: Change the first player's spawn to your current position.
   <br />Requires `authme.admin.setfirstspawn`
-- **/authme purge** &lt;days> [all]: Purge old AuthMeReloaded data longer than the specified number of days ago.
+- **/authme purge** &lt;days>: Purge old AuthMeReloaded data longer than the specified number of days ago.
   <br />Requires `authme.admin.purge`
 - **/authme purgeplayer** &lt;player> [options]: Purges data of the given player.
   <br />Requires `authme.admin.purgeplayer`
@@ -86,8 +86,11 @@ brackets; optional arguments are enclosed in square brackets (`[ ]`).
 - **/captcha** &lt;captcha>: Captcha command for AuthMeReloaded.
   <br />Requires `authme.player.captcha`
 - **/captcha help** [query]: View detailed help for /captcha commands.
+- **/verification** &lt;code>: Command to complete the verification process for AuthMeReloaded.
+  <br />Requires `authme.player.security.verificationcode`
+- **/verification help** [query]: View detailed help for /verification commands.
 
 
 ---
 
-This page was automatically generated on the [AuthMe/AuthMeReloaded repository](https://github.com/AuthMe/AuthMeReloaded/tree/master/docs/) on Sun Oct 08 19:56:41 CEST 2017
+This page was automatically generated on the [AuthMe/AuthMeReloaded repository](https://github.com/AuthMe/AuthMeReloaded/tree/master/docs/) on Sat Oct 28 10:39:36 CEST 2017

docs/config.md

@@ -1,5 +1,5 @@
 <!-- AUTO-GENERATED FILE! Do not edit this directly -->
-<!-- File auto-generated on Tue Oct 10 13:51:56 CEST 2017. See docs/config/config.tpl.md -->
+<!-- File auto-generated on Sat Oct 28 10:39:36 CEST 2017. See docs/config/config.tpl.md -->
 
 ## AuthMe Configuration
 The first time you run AuthMe it will create a config.yml file in the plugins/AuthMe folder, 
@@ -43,10 +43,14 @@ DataSource:
     mySQLColumnLogged: 'isLogged'
     # Column for storing if a player has a valid session or not
     mySQLColumnHasSession: 'hasSession'
-    # Column for storing players ips
+    # Column for storing the player's last IP
     mySQLColumnIp: 'ip'
     # Column for storing players lastlogins
     mySQLColumnLastLogin: 'lastlogin'
+    # Column storing the registration date
+    mySQLColumnRegisterDate: 'regdate'
+    # Column for storing the IP address at the time of registration
+    mySQLColumnRegisterIp: 'regip'
     # Column for storing player LastLocation - X
     mySQLlastlocX: 'x'
     # Column for storing player LastLocation - Y
@@ -226,10 +230,11 @@ settings:
         minPasswordLength: 5
         # Maximum length of password
         passwordMaxLength: 30
-        # Possible values: SHA256, BCRYPT, BCRYPT2Y, PBKDF2, SALTEDSHA512, WHIRLPOOL,
+        # Possible values: SHA256, BCRYPT, BCRYPT2Y, PBKDF2, SALTEDSHA512,
         # MYBB, IPB3, PHPBB, PHPFUSION, SMF, XENFORO, XAUTH, JOOMLA, WBB3, WBB4, MD5VB,
-        # PBKDF2DJANGO, WORDPRESS, ROYALAUTH, CUSTOM (for developers only). See full list at
+        # PBKDF2DJANGO, WORDPRESS, ROYALAUTH, ARGON2, CUSTOM (for developers only). See full list at
         # https://github.com/AuthMe/AuthMeReloaded/blob/master/docs/hash_algorithms.md
+        # If you use ARGON2, check that you have the argon2 c library on your system
         passwordHash: 'SHA256'
         # If a password check fails, AuthMe will also try to check with the following hash methods.
         # Use this setting when you change from one hash method to another.
@@ -470,6 +475,8 @@ Security:
         #  original email: my.email@example.com
         #  hidden email: my.***@***mple.com
         enableEmailMasking: false
+        # Minutes after which a verification code will expire
+        verificationCodeExpiration: 10
 # Before a user logs in, various properties are temporarily removed from the player,
 # such as OP status, ability to fly, and walk/fly speed.
 # Once the user is logged in, we add back the properties we previously saved.
@@ -547,4 +554,4 @@ To change settings on a running server, save your changes to config.yml and use
 
 ---
 
-This page was automatically generated on the [AuthMe/AuthMeReloaded repository](https://github.com/AuthMe/AuthMeReloaded/tree/master/docs/) on Tue Oct 10 13:51:56 CEST 2017
+This page was automatically generated on the [AuthMe/AuthMeReloaded repository](https://github.com/AuthMe/AuthMeReloaded/tree/master/docs/) on Sat Oct 28 10:39:36 CEST 2017

docs/permission_nodes.md

@@ -1,5 +1,5 @@
 <!-- AUTO-GENERATED FILE! Do not edit this directly -->
-<!-- File auto-generated on Sat Sep 02 12:24:17 CEST 2017. See docs/permissions/permission_nodes.tpl.md -->
+<!-- File auto-generated on Sat Oct 28 12:12:40 CEST 2017. See docs/permissions/permission_nodes.tpl.md -->
 
 ## AuthMe Permission Nodes
 The following are the permission nodes that are currently supported by the latest dev builds.
@@ -40,6 +40,7 @@ The following are the permission nodes that are currently supported by the lates
 - **authme.debug.group** – Permission to view permission groups.
 - **authme.debug.limbo** – Permission to use the limbo data viewer.
 - **authme.debug.mail** – Permission to use the test email sender.
+- **authme.debug.mysqldef** – Permission to change nullable status of MySQL columns.
 - **authme.debug.perm** – Permission to use the permission checker.
 - **authme.debug.spawn** – Permission to view spawn information.
 - **authme.debug.stats** – Permission to use the stats section.
@@ -56,6 +57,7 @@ The following are the permission nodes that are currently supported by the lates
 - **authme.player.login** – Command permission to login.
 - **authme.player.logout** – Command permission to logout.
 - **authme.player.register** – Command permission to register.
+- **authme.player.security.verificationcode** – Permission to use the email verification codes feature.
 - **authme.player.seeownaccounts** – Permission to use to see own other accounts.
 - **authme.player.unregister** – Command permission to unregister.
 - **authme.vip** – When the server is full and someone with this permission joins the server, someone will be kicked.
@@ -63,4 +65,4 @@ The following are the permission nodes that are currently supported by the lates
 
 ---
 
-This page was automatically generated on the [AuthMe/AuthMeReloaded repository](https://github.com/AuthMe/AuthMeReloaded/tree/master/docs/) on Sat Sep 02 12:24:17 CEST 2017
+This page was automatically generated on the [AuthMe/AuthMeReloaded repository](https://github.com/AuthMe/AuthMeReloaded/tree/master/docs/) on Sat Oct 28 12:12:40 CEST 2017

docs/translations.md

@@ -1,5 +1,5 @@
 <!-- AUTO-GENERATED FILE! Do not edit this directly -->
-<!-- File auto-generated on Sun Sep 17 11:29:08 CEST 2017. See docs/translations/translations.tpl.md -->
+<!-- File auto-generated on Sat Oct 28 11:30:40 CEST 2017. See docs/translations/translations.tpl.md -->
 
 # AuthMe Translations
 The following translations are available in AuthMe. Set `messagesLanguage` to the language code
@@ -8,37 +8,37 @@ in your config.yml to use the language, or use another language code to start a
 Code | Language | Translated | &nbsp;
 ---- | -------- | ---------: | ------
 [en](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_en.yml) | English | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
-[bg](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_bg.yml) | Bulgarian | 95% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=95&h=5&txtpad=1" alt="bar" />
+[bg](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_bg.yml) | Bulgarian | 88% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=88cc33&w=88&h=5&txtpad=1" alt="bar" />
-[br](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_br.yml) | Brazilian | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[br](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_br.yml) | Brazilian | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[cz](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_cz.yml) | Czech | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[cz](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_cz.yml) | Czech | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[de](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_de.yml) | German | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[de](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_de.yml) | German | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[eo](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_eo.yml) | Esperanto | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[eo](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_eo.yml) | Esperanto | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[es](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_es.yml) | Spanish | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[es](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_es.yml) | Spanish | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[et](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_et.yml) | Estonian | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[et](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_et.yml) | Estonian | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[eu](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_eu.yml) | Basque | 53% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=bb6600&w=53&h=5&txtpad=1" alt="bar" />
+[eu](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_eu.yml) | Basque | 49% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=aa5500&w=49&h=5&txtpad=1" alt="bar" />
-[fi](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_fi.yml) | Finnish | 56% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=bb6600&w=56&h=5&txtpad=1" alt="bar" />
+[fi](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_fi.yml) | Finnish | 52% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=bb6600&w=52&h=5&txtpad=1" alt="bar" />
-[fr](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_fr.yml) | French | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[fr](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_fr.yml) | French | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[gl](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_gl.yml) | Galician | 60% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=bb7700&w=60&h=5&txtpad=1" alt="bar" />
+[gl](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_gl.yml) | Galician | 55% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=bb6600&w=55&h=5&txtpad=1" alt="bar" />
-[hu](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_hu.yml) | Hungarian | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[hu](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_hu.yml) | Hungarian | 91% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=88cc33&w=91&h=5&txtpad=1" alt="bar" />
-[id](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_id.yml) | Indonesian | 59% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=bb7700&w=59&h=5&txtpad=1" alt="bar" />
+[id](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_id.yml) | Indonesian | 54% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=bb6600&w=54&h=5&txtpad=1" alt="bar" />
-[it](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_it.yml) | Italian | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[it](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_it.yml) | Italian | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[ko](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_ko.yml) | Korean | 85% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=99bb22&w=85&h=5&txtpad=1" alt="bar" />
+[ko](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_ko.yml) | Korean | 78% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=bb9900&w=78&h=5&txtpad=1" alt="bar" />
-[lt](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_lt.yml) | Lithuanian | 45% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=aa5500&w=45&h=5&txtpad=1" alt="bar" />
+[lt](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_lt.yml) | Lithuanian | 41% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=aa4400&w=41&h=5&txtpad=1" alt="bar" />
-[nl](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_nl.yml) | Dutch | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[nl](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_nl.yml) | Dutch | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[pl](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_pl.yml) | Polish | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[pl](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_pl.yml) | Polish | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[pt](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_pt.yml) | Portuguese | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[pt](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_pt.yml) | Portuguese | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[ro](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_ro.yml) | Romanian | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[ro](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_ro.yml) | Romanian | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[ru](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_ru.yml) | Russian | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[ru](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_ru.yml) | Russian | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[sk](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_sk.yml) | Slovakian | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[sk](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_sk.yml) | Slovakian | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[tr](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_tr.yml) | Turkish | 95% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=95&h=5&txtpad=1" alt="bar" />
+[tr](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_tr.yml) | Turkish | 88% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=88cc33&w=88&h=5&txtpad=1" alt="bar" />
-[uk](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_uk.yml) | Ukrainian | 79% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=bb9900&w=79&h=5&txtpad=1" alt="bar" />
+[uk](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_uk.yml) | Ukrainian | 73% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=bb8800&w=73&h=5&txtpad=1" alt="bar" />
-[vn](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_vn.yml) | Vietnamese | 96% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ee55&w=96&h=5&txtpad=1" alt="bar" />
+[vn](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_vn.yml) | Vietnamese | 89% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=88cc33&w=89&h=5&txtpad=1" alt="bar" />
-[zhcn](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_zhcn.yml) | Chinese (China) | 100% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=66ff66&w=100&h=5&txtpad=1" alt="bar" />
+[zhcn](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_zhcn.yml) | Chinese (China) | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[zhhk](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_zhhk.yml) | Chinese (Hong Kong) | 68% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=bb8800&w=68&h=5&txtpad=1" alt="bar" />
+[zhhk](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_zhhk.yml) | Chinese (Hong Kong) | 92% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=77dd44&w=92&h=5&txtpad=1" alt="bar" />
-[zhmc](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_zhmc.yml) | Chinese (Macau) | 81% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=aaaa11&w=81&h=5&txtpad=1" alt="bar" />
+[zhmc](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_zhmc.yml) | Chinese (Macau) | 75% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=cc9900&w=75&h=5&txtpad=1" alt="bar" />
-[zhtw](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_zhtw.yml) | Chinese (Taiwan) | 68% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=bb8800&w=68&h=5&txtpad=1" alt="bar" />
+[zhtw](https://github.com/AuthMe/AuthMeReloaded/blob/master/src/main/resources/messages/messages_zhtw.yml) | Chinese (Taiwan) | 63% | <img src="https://placeholdit.imgix.net/~text?txtsize=5&bg=bb7700&w=63&h=5&txtpad=1" alt="bar" />
 
 
 ---
 
-This page was automatically generated on the [AuthMe/AuthMeReloaded repository](https://github.com/AuthMe/AuthMeReloaded/tree/master/docs/) on Sun Sep 17 11:29:08 CEST 2017
+This page was automatically generated on the [AuthMe/AuthMeReloaded repository](https://github.com/AuthMe/AuthMeReloaded/tree/master/docs/) on Sat Oct 28 11:30:40 CEST 2017

src/main/java/fr/xephi/authme/command/CommandInitializer.java

@@ -40,6 +40,7 @@ import fr.xephi.authme.command.executable.login.LoginCommand;
 import fr.xephi.authme.command.executable.logout.LogoutCommand;
 import fr.xephi.authme.command.executable.register.RegisterCommand;
 import fr.xephi.authme.command.executable.unregister.UnregisterCommand;
+import fr.xephi.authme.command.executable.verification.VerificationCommand;
 import fr.xephi.authme.permission.AdminPermission;
 import fr.xephi.authme.permission.DebugSectionPermissions;
 import fr.xephi.authme.permission.PlayerPermission;
@@ -136,13 +137,24 @@ public class CommandInitializer {
         CommandDescription captchaBase = CommandDescription.builder()
             .parent(null)
             .labels("captcha")
-            .description("Captcha Command")
+            .description("Captcha command")
             .detailedDescription("Captcha command for AuthMeReloaded.")
             .withArgument("captcha", "The Captcha", false)
             .permission(PlayerPermission.CAPTCHA)
             .executableCommand(CaptchaCommand.class)
             .register();
 
+        // Register the base verification code command
+        CommandDescription verificationBase = CommandDescription.builder()
+            .parent(null)
+            .labels("verification")
+            .description("Verification command")
+            .detailedDescription("Command to complete the verification process for AuthMeReloaded.")
+            .withArgument("code", "The code", false)
+            .permission(PlayerPermission.VERIFICATION_CODE)
+            .executableCommand(VerificationCommand.class)
+            .register();
+
         List<CommandDescription> baseCommands = ImmutableList.of(
             authMeBase,
             emailBase,
@@ -151,7 +163,8 @@ public class CommandInitializer {
             registerBase,
             unregisterBase,
             changePasswordBase,
-            captchaBase);
+            captchaBase,
+            verificationBase);
 
         setHelpOnAllBases(baseCommands);
         commands = baseCommands;

src/main/java/fr/xephi/authme/command/executable/changepassword/ChangePasswordCommand.java

@@ -1,6 +1,7 @@
 package fr.xephi.authme.command.executable.changepassword;
 
 import fr.xephi.authme.command.PlayerCommand;
+import fr.xephi.authme.data.VerificationCodeManager;
 import fr.xephi.authme.data.auth.PlayerCache;
 import fr.xephi.authme.message.MessageKey;
 import fr.xephi.authme.process.Management;
@@ -29,17 +30,28 @@ public class ChangePasswordCommand extends PlayerCommand {
     @Inject
     private Management management;
 
+    @Inject
+    private VerificationCodeManager codeManager;
+
     @Override
     public void runCommand(Player player, List<String> arguments) {
-        String oldPassword = arguments.get(0);
-        String newPassword = arguments.get(1);
-
         String name = player.getName().toLowerCase();
+
         if (!playerCache.isAuthenticated(name)) {
             commonService.send(player, MessageKey.NOT_LOGGED_IN);
             return;
         }
 
+        // Check if the user has been verified or not
+        if (codeManager.isVerificationRequired(player)) {
+            codeManager.codeExistOrGenerateNew(name);
+            commonService.send(player, MessageKey.VERIFICATION_CODE_REQUIRED);
+            return;
+        }
+
+        String oldPassword = arguments.get(0);
+        String newPassword = arguments.get(1);
+
         // Make sure the password is allowed
         ValidationResult passwordValidation = validationService.validatePassword(newPassword, name);
         if (passwordValidation.hasError()) {

src/main/java/fr/xephi/authme/command/executable/email/ChangeEmailCommand.java

@@ -1,8 +1,10 @@
 package fr.xephi.authme.command.executable.email;
 
 import fr.xephi.authme.command.PlayerCommand;
+import fr.xephi.authme.data.VerificationCodeManager;
 import fr.xephi.authme.message.MessageKey;
 import fr.xephi.authme.process.Management;
+import fr.xephi.authme.service.CommonService;
 import org.bukkit.entity.Player;
 
 import javax.inject.Inject;
@@ -16,11 +18,24 @@ public class ChangeEmailCommand extends PlayerCommand {
     @Inject
     private Management management;
 
+    @Inject
+    private CommonService commonService;
+
+    @Inject
+    private VerificationCodeManager codeManager;
+
     @Override
     public void runCommand(Player player, List<String> arguments) {
+        final String playerName = player.getName();
+        // Check if the user has been verified or not
+        if (codeManager.isVerificationRequired(player)) {
+            codeManager.codeExistOrGenerateNew(playerName);
+            commonService.send(player, MessageKey.VERIFICATION_CODE_REQUIRED);
+            return;
+        }
+
         String playerMailOld = arguments.get(0);
         String playerMailNew = arguments.get(1);
-
         management.performChangeEmail(player, playerMailOld, playerMailNew);
     }
 

src/main/java/fr/xephi/authme/command/executable/unregister/UnregisterCommand.java

@@ -1,6 +1,7 @@
 package fr.xephi.authme.command.executable.unregister;
 
 import fr.xephi.authme.command.PlayerCommand;
+import fr.xephi.authme.data.VerificationCodeManager;
 import fr.xephi.authme.data.auth.PlayerCache;
 import fr.xephi.authme.message.MessageKey;
 import fr.xephi.authme.process.Management;
@@ -24,6 +25,9 @@ public class UnregisterCommand extends PlayerCommand {
     @Inject
     private PlayerCache playerCache;
 
+    @Inject
+    private VerificationCodeManager codeManager;
+
     @Override
     public void runCommand(Player player, List<String> arguments) {
         String playerPass = arguments.get(0);
@@ -35,6 +39,13 @@ public class UnregisterCommand extends PlayerCommand {
             return;
         }
 
+        // Check if the user has been verified or not
+        if (codeManager.isVerificationRequired(player)) {
+            codeManager.codeExistOrGenerateNew(playerName);
+            commonService.send(player, MessageKey.VERIFICATION_CODE_REQUIRED);
+            return;
+        }
+
         // Unregister the player
         management.performUnregister(player, playerPass);
     }

src/main/java/fr/xephi/authme/command/executable/verification/VerificationCommand.java

@@ -0,0 +1,58 @@
+package fr.xephi.authme.command.executable.verification;
+
+import fr.xephi.authme.ConsoleLogger;
+import fr.xephi.authme.command.PlayerCommand;
+import fr.xephi.authme.data.VerificationCodeManager;
+import fr.xephi.authme.message.MessageKey;
+import fr.xephi.authme.service.CommonService;
+import org.bukkit.entity.Player;
+
+import javax.inject.Inject;
+import java.util.List;
+
+/**
+ * Used to complete the email verification process.
+ */
+public class VerificationCommand extends PlayerCommand {
+
+    @Inject
+    private CommonService commonService;
+
+    @Inject
+    private VerificationCodeManager codeManager;
+
+    @Override
+    public void runCommand(Player player, List<String> arguments) {
+        final String playerName = player.getName();
+
+        if (!codeManager.canSendMail()) {
+            ConsoleLogger.warning("Mail API is not set");
+            commonService.send(player, MessageKey.INCOMPLETE_EMAIL_SETTINGS);
+            return;
+        }
+
+        if (codeManager.isVerificationRequired(player)) {
+            if (codeManager.isCodeRequired(playerName)) {
+                if (codeManager.checkCode(playerName, arguments.get(0))) {
+                    commonService.send(player, MessageKey.VERIFICATION_CODE_VERIFIED);
+                } else {
+                    commonService.send(player, MessageKey.INCORRECT_VERIFICATION_CODE);
+                }
+            } else {
+                commonService.send(player, MessageKey.VERIFICATION_CODE_EXPIRED);
+            }
+        } else {
+            if (codeManager.hasEmail(playerName)) {
+                commonService.send(player, MessageKey.VERIFICATION_CODE_ALREADY_VERIFIED);
+            } else {
+                commonService.send(player, MessageKey.VERIFICATION_CODE_EMAIL_NEEDED);
+                commonService.send(player, MessageKey.ADD_EMAIL_MESSAGE);
+            }
+        }
+    }
+
+    @Override
+    public MessageKey getArgumentsMismatchMessage() {
+        return MessageKey.USAGE_VERIFICATION_CODE;
+    }
+}

src/main/java/fr/xephi/authme/data/VerificationCodeManager.java

@@ -0,0 +1,189 @@
+package fr.xephi.authme.data;
+
+import fr.xephi.authme.datasource.DataSource;
+import fr.xephi.authme.datasource.DataSourceResult;
+import fr.xephi.authme.initialization.HasCleanup;
+import fr.xephi.authme.initialization.SettingsDependent;
+import fr.xephi.authme.mail.EmailService;
+import fr.xephi.authme.permission.PermissionsManager;
+import fr.xephi.authme.permission.PlayerPermission;
+import fr.xephi.authme.settings.Settings;
+import fr.xephi.authme.settings.properties.SecuritySettings;
+import fr.xephi.authme.util.RandomStringUtils;
+import fr.xephi.authme.util.Utils;
+import fr.xephi.authme.util.expiring.ExpiringMap;
+import org.bukkit.entity.Player;
+
+import javax.inject.Inject;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+
+public class VerificationCodeManager implements SettingsDependent, HasCleanup {
+
+    private final EmailService emailService;
+    private final DataSource dataSource;
+    private final PermissionsManager permissionsManager;
+
+    private final ExpiringMap<String, String> verificationCodes;
+    private final Set<String> verifiedPlayers;
+
+    private boolean canSendMail;
+
+    @Inject
+    VerificationCodeManager(Settings settings, DataSource dataSource, EmailService emailService,
+                            PermissionsManager permissionsManager) {
+        this.emailService = emailService;
+        this.dataSource = dataSource;
+        this.permissionsManager = permissionsManager;
+        verifiedPlayers = new HashSet<>();
+        long countTimeout = settings.getProperty(SecuritySettings.VERIFICATION_CODE_EXPIRATION_MINUTES);
+        verificationCodes = new ExpiringMap<>(countTimeout, TimeUnit.MINUTES);
+        reload(settings);
+    }
+
+    /**
+     * Returns if it is possible to send emails
+     *
+     * @return true if the service is enabled, false otherwise
+     */
+    public boolean canSendMail() {
+        return canSendMail;
+    }
+
+    /**
+     * Returns whether the given player is able to verify his identity
+     *
+     * @param player the player to verify
+     * @return true if the player has not been verified yet, false otherwise
+     */
+    public boolean isVerificationRequired(Player player) {
+        final String name = player.getName();
+        return canSendMail
+            && !isPlayerVerified(name)
+            && permissionsManager.hasPermission(player, PlayerPermission.VERIFICATION_CODE)
+            && hasEmail(name);
+    }
+
+    /**
+     * Returns whether the given player is required to verify his identity through a command
+     *
+     * @param name the name of the player to verify
+     * @return true if the player has an existing code and has not been verified yet, false otherwise
+     */
+    public boolean isCodeRequired(String name) {
+        return canSendMail && hasCode(name) && !isPlayerVerified(name);
+    }
+
+    /**
+     * Returns whether the given player has been verified or not
+     *
+     * @param name the name of the player to verify
+     * @return true if the player has been verified, false otherwise
+     */
+    private boolean isPlayerVerified(String name) {
+        return verifiedPlayers.contains(name.toLowerCase());
+    }
+
+    /**
+     * Returns if a code exists for the player
+     *
+     * @param name the name of the player to verify
+     * @return true if the code exists, false otherwise
+     */
+    public boolean hasCode(String name) {
+        return (verificationCodes.get(name.toLowerCase()) != null);
+    }
+
+    /**
+     * Returns whether the given player is able to receive emails
+     *
+     * @param name the name of the player to verify
+     * @return true if the player is able to receive emails, false otherwise
+     */
+    public boolean hasEmail(String name) {
+        boolean result = false;
+        DataSourceResult<String> emailResult = dataSource.getEmail(name);
+        if (emailResult.playerExists()) {
+            final String email = emailResult.getValue();
+            if (!Utils.isEmailEmpty(email)) {
+                result = true;
+            }
+        }
+        return result;
+    }
+
+    /**
+     * Check if a code exists for the player or generates and saves a new one.
+     *
+     * @param name the player's name
+     */
+    public void codeExistOrGenerateNew(String name) {
+        if (!hasCode(name)) {
+            generateCode(name);
+        }
+    }
+
+    /**
+     * Generates a code for the player and returns it.
+     *
+     * @param name the name of the player to generate a code for
+     */
+    private void generateCode(String name) {
+        DataSourceResult<String> emailResult = dataSource.getEmail(name);
+        if (emailResult.playerExists()) {
+            final String email = emailResult.getValue();
+            if (!Utils.isEmailEmpty(email)) {
+                String code = RandomStringUtils.generateNum(6); // 6 digits code
+                verificationCodes.put(name.toLowerCase(), code);
+                emailService.sendVerificationMail(name, email, code);
+            }
+        }
+    }
+
+    /**
+     * Checks the given code against the existing one.
+     *
+     * @param name the name of the player to check
+     * @param code the supplied code
+     * @return true if the code matches, false otherwise
+     */
+    public boolean checkCode(String name, String code) {
+        boolean correct = false;
+        if (code.equals(verificationCodes.get(name.toLowerCase()))) {
+            verify(name);
+            correct = true;
+        }
+        return correct;
+    }
+
+    /**
+     * Add the user to the set of verified users
+     *
+     * @param name the name of the player to generate a code for
+     */
+    public void verify(String name){
+        verifiedPlayers.add(name.toLowerCase());
+    }
+
+    /**
+     * Remove the user from the set of verified users
+     *
+     * @param name the name of the player to generate a code for
+     */
+    public void unverify(String name){
+        verifiedPlayers.remove(name.toLowerCase());
+    }
+
+    @Override
+    public void reload(Settings settings) {
+        canSendMail = emailService.hasAllInformation();
+        long countTimeout = settings.getProperty(SecuritySettings.VERIFICATION_CODE_EXPIRATION_MINUTES);
+        verificationCodes.setExpiration(countTimeout, TimeUnit.MINUTES);
+    }
+
+    @Override
+    public void performCleanup() {
+        verificationCodes.removeExpiredEntries();
+    }
+}

src/main/java/fr/xephi/authme/mail/EmailService.java

@@ -67,7 +67,7 @@ public class EmailService {
         File file = null;
         if (settings.getProperty(EmailSettings.PASSWORD_AS_IMAGE)) {
             try {
-                file = generateImage(name, newPass);
+                file = generatePasswordImage(name, newPass);
                 mailText = embedImageIntoEmailContent(file, email, mailText);
             } catch (IOException | EmailException e) {
                 ConsoleLogger.logException(
@@ -80,6 +80,33 @@ public class EmailService {
         return couldSendEmail;
     }
 
+    /**
+     * Sends an email to the user with the temporary verification code.
+     *
+     * @param name the name of the player
+     * @param mailAddress the player's email
+     * @param code the verification code
+     * @return true if email could be sent, false otherwise
+     */
+    public boolean sendVerificationMail(String name, String mailAddress, String code) {
+        if (!hasAllInformation()) {
+            ConsoleLogger.warning("Cannot send verification email: not all email settings are complete");
+            return false;
+        }
+
+        HtmlEmail email;
+        try {
+            email = sendMailSsl.initializeMail(mailAddress);
+        } catch (EmailException e) {
+            ConsoleLogger.logException("Failed to create verification email with the given settings:", e);
+            return false;
+        }
+
+        String mailText = replaceTagsForVerificationEmail(settings.getVerificationEmailMessage(), name, code,
+            settings.getProperty(SecuritySettings.VERIFICATION_CODE_EXPIRATION_MINUTES));
+        return sendMailSsl.sendEmail(mailText, email);
+    }
+
     /**
      * Sends an email to the user with a recovery code for the password recovery process.
      *
@@ -102,7 +129,7 @@ public class EmailService {
         return sendMailSsl.sendEmail(message, htmlEmail);
     }
 
-    private File generateImage(String name, String newPass) throws IOException {
+    private File generatePasswordImage(String name, String newPass) throws IOException {
         ImageGenerator gen = new ImageGenerator(newPass);
         File file = new File(dataFolder, name + "_new_pass.jpg");
         ImageIO.write(gen.generateImage(), "jpg", file);
@@ -123,6 +150,14 @@ public class EmailService {
             .replace("<generatedpass />", newPass);
     }
 
+    private String replaceTagsForVerificationEmail(String mailText, String name, String code, int minutesValid) {
+        return mailText
+            .replace("<playername />", name)
+            .replace("<servername />", serverName)
+            .replace("<generatedcode />", code)
+            .replace("<minutesvalid />", String.valueOf(minutesValid));
+    }
+
     private String replaceTagsForRecoveryCodeMail(String mailText, String name, String code, int hoursValid) {
         return mailText
             .replace("<playername />", name)

src/main/java/fr/xephi/authme/message/MessageKey.java

@@ -239,6 +239,36 @@ public enum MessageKey {
     /** An email was already sent recently. You must wait %time before you can send a new one. */
     EMAIL_COOLDOWN_ERROR("email_cooldown_error", "%time"),
 
+    /**
+     * The command you are trying to execute is sensitive and requires a verification!
+     * A verification code has been sent to your email,
+     * run the command "/verification [code]" to verify your identity.
+     */
+    VERIFICATION_CODE_REQUIRED("verification_code_required"),
+
+    /** Usage: /verification <code> */
+    USAGE_VERIFICATION_CODE("usage_verification_code"),
+
+    /** Incorrect code, please type "/verification <code>" into the chat! */
+    INCORRECT_VERIFICATION_CODE("incorrect_verification_code"),
+
+    /**
+     * Your identity has been verified!
+     * You can now execute every sensitive command within the current session!
+     */
+    VERIFICATION_CODE_VERIFIED("verification_code_verified"),
+
+    /**
+     * You can already execute every sensitive command within the current session!
+     */
+    VERIFICATION_CODE_ALREADY_VERIFIED("verification_code_already_verified"),
+
+    /** Your code has expired! Execute another sensitive command to get a new code! */
+    VERIFICATION_CODE_EXPIRED("verification_code_expired"),
+
+    /** To verify your identity you need to link an email address with your account! */
+    VERIFICATION_CODE_EMAIL_NEEDED("verification_code_email_needed"),
+
     /** second */
     SECOND("second"),
 

src/main/java/fr/xephi/authme/permission/PlayerPermission.java

@@ -63,7 +63,12 @@ public enum PlayerPermission implements PermissionNode {
     /**
      * Permission to use to see own other accounts.
      */
-    SEE_OWN_ACCOUNTS("authme.player.seeownaccounts");
+    SEE_OWN_ACCOUNTS("authme.player.seeownaccounts"),
+
+    /**
+     * Permission to use the email verification codes feature.
+     */
+    VERIFICATION_CODE("authme.player.security.verificationcode");
 
     /**
      * The permission node.

src/main/java/fr/xephi/authme/process/logout/AsynchronousLogout.java

@@ -1,5 +1,6 @@
 package fr.xephi.authme.process.logout;
 
+import fr.xephi.authme.data.VerificationCodeManager;
 import fr.xephi.authme.data.auth.PlayerAuth;
 import fr.xephi.authme.data.auth.PlayerCache;
 import fr.xephi.authme.datasource.DataSource;
@@ -26,6 +27,9 @@ public class AsynchronousLogout implements AsynchronousProcess {
     @Inject
     private PlayerCache playerCache;
 
+    @Inject
+    private VerificationCodeManager codeManager;
+
     @Inject
     private SyncProcessManager syncProcessManager;
 
@@ -52,6 +56,7 @@ public class AsynchronousLogout implements AsynchronousProcess {
         }
 
         playerCache.removePlayer(name);
+        codeManager.unverify(name);
         database.setUnlogged(name);
         database.revokeSession(name);
         syncProcessManager.processSyncPlayerLogout(player);

src/main/java/fr/xephi/authme/process/quit/AsynchronousQuit.java

@@ -1,6 +1,7 @@
 package fr.xephi.authme.process.quit;
 
 import fr.xephi.authme.AuthMe;
+import fr.xephi.authme.data.VerificationCodeManager;
 import fr.xephi.authme.data.auth.PlayerAuth;
 import fr.xephi.authme.data.auth.PlayerCache;
 import fr.xephi.authme.datasource.CacheDataSource;
@@ -44,6 +45,9 @@ public class AsynchronousQuit implements AsynchronousProcess {
     @Inject
     private ValidationService validationService;
 
+    @Inject
+    private VerificationCodeManager codeManager;
+
     AsynchronousQuit() {
     }
 
@@ -80,6 +84,7 @@ public class AsynchronousQuit implements AsynchronousProcess {
 
         //always unauthenticate the player - use session only for auto logins on the same ip
         playerCache.removePlayer(name);
+        codeManager.unverify(name);
 
         //always update the database when the player quit the game (if sessions are disabled)
         if (wasLoggedIn) {

src/main/java/fr/xephi/authme/settings/Settings.java

@@ -20,6 +20,7 @@ public class Settings extends SettingsManager {
 
     private final File pluginFolder;
     private String passwordEmailMessage;
+    private String verificationEmailMessage;
     private String recoveryCodeEmailMessage;
 
     /**
@@ -46,6 +47,15 @@ public class Settings extends SettingsManager {
         return passwordEmailMessage;
     }
 
+    /**
+     * Return the text for verification emails (before sensitive commands can be used).
+     *
+     * @return The email message
+     */
+    public String getVerificationEmailMessage() {
+        return verificationEmailMessage;
+    }
+
     /**
      * Return the text to use when someone requests to receive a recovery code.
      *
@@ -57,6 +67,7 @@ public class Settings extends SettingsManager {
 
     private void loadSettingsFromFiles() {
         passwordEmailMessage = readFile("email.html");
+        verificationEmailMessage = readFile("verification_code_email.html");
         recoveryCodeEmailMessage = readFile("recovery_code_email.html");
     }
 

src/main/java/fr/xephi/authme/settings/properties/SecuritySettings.java

@@ -147,6 +147,10 @@ public final class SecuritySettings implements SettingsHolder {
     public static final Property<Boolean> USE_EMAIL_MASKING =
         newProperty("Security.privacy.enableEmailMasking", false);
 
+    @Comment("Minutes after which a verification code will expire")
+    public static final Property<Integer> VERIFICATION_CODE_EXPIRATION_MINUTES =
+        newProperty("Security.privacy.verificationCodeExpiration", 10);
+
     private SecuritySettings() {
     }
 

src/main/java/fr/xephi/authme/util/RandomStringUtils.java

@@ -10,8 +10,9 @@ public final class RandomStringUtils {
 
     private static final char[] CHARS = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".toCharArray();
     private static final Random RANDOM = new SecureRandom();
-    private static final int HEX_MAX_INDEX = 16;
+    private static final int NUM_INDEX = 10;
     private static final int LOWER_ALPHANUMERIC_INDEX = 36;
+    private static final int HEX_MAX_INDEX = 16;
 
     // Utility class
     private RandomStringUtils() {
@@ -38,6 +39,17 @@ public final class RandomStringUtils {
         return generateString(length, HEX_MAX_INDEX);
     }
 
+    /**
+     * Generate a random numbers string of the given length. In other words, the generated string
+     * contains characters only within the range [0-9].
+     *
+     * @param length The length of the random string to generate
+     * @return The random numbers string
+     */
+    public static String generateNum(int length) {
+        return generateString(length, NUM_INDEX);
+    }
+
     /**
      * Generate a random string with digits and lowercase and uppercase letters. The result of this
      * method matches the pattern [0-9a-zA-Z].

src/main/resources/messages/messages_bg.yml

@@ -96,6 +96,15 @@ usage_captcha: '&3Моля въведе цифрите/буквите от ка
 wrong_captcha: '&cКода е грешен, използвайте: "/captcha THE_CAPTCHA" в чата!'
 valid_captcha: '&2Кода е  валиден!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'секунда'
 seconds: 'секунди'

src/main/resources/messages/messages_br.yml

@@ -100,6 +100,15 @@ usage_captcha: '&3Para iniciar sessão você tem que resolver um código captcha
 wrong_captcha: '&cCaptcha errado, por favor, escreva "/captcha THE_CAPTCHA" no chat!'
 valid_captcha: '&2Código Captcha resolvido corretamente!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'segundo'
 seconds: 'segundos'

src/main/resources/messages/messages_cz.yml

@@ -95,6 +95,15 @@ usage_captcha: '&cPoužij: /captcha <theCaptcha>'
 wrong_captcha: '&cŠpatné opsana Captcha, pouzij prosim: /captcha THE_CAPTCHA'
 valid_captcha: '&cZadaná captcha je v pořádku!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'sekundy'
 seconds: 'sekund'

src/main/resources/messages/messages_de.yml

@@ -95,6 +95,15 @@ usage_captcha: '&3Um dich einzuloggen, tippe dieses Captcha so ein: /captcha <th
 wrong_captcha: '&cFalsches Captcha, bitte nutze: /captcha THE_CAPTCHA'
 valid_captcha: '&2Das Captcha ist korrekt!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'Sekunde'
 seconds: 'Sekunden'

src/main/resources/messages/messages_en.yml

@@ -95,6 +95,15 @@ usage_captcha: '&3To login you have to solve a captcha code, please use the comm
 wrong_captcha: '&cWrong captcha, please type "/captcha THE_CAPTCHA" into the chat!'
 valid_captcha: '&2Captcha code solved correctly!'
 
+# Verification code
+verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+usage_verification_code: '&cUsage: /verification <code>'
+incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'second'
 seconds: 'seconds'

src/main/resources/messages/messages_eo.yml

@@ -95,6 +95,15 @@ usage_captcha: '&3Ensaluti vi devas solvi captcha kodo, bonvolu uzi la komando:
 wrong_captcha: '&cMalĝusta captcha, bonvolu tajpi "/captcha THE_CAPTCHA" en la babilejo!'
 valid_captcha: '&2Captcha kodo solvita ĝuste!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'sekundo'
 seconds: 'sekundoj'

src/main/resources/messages/messages_es.yml

@@ -99,6 +99,15 @@ usage_captcha: '&cUso: /captcha <theCaptcha>'
 wrong_captcha: '&cCaptcha incorrecto, por favor usa: /captcha THE_CAPTCHA'
 valid_captcha: '&c¡ Captcha ingresado correctamente !'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'segundo'
 seconds: 'segundos'

src/main/resources/messages/messages_et.yml

@@ -95,6 +95,15 @@ usage_captcha: '&3Sisselogimiseks pead lahendama captcha. Tee seda kasutades kä
 wrong_captcha: '&cVale captcha, kirjuta "/captcha THE_CAPTCHA" chatti!'
 valid_captcha: '&2Captcha lahendatud!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'sekund'
 seconds: 'sekundit'

src/main/resources/messages/messages_eu.yml

@@ -96,6 +96,15 @@ recovery_email: '&cPasahitza ahaztu duzu? Erabili /email recovery <zureemaila>'
 # TODO wrong_captcha: '&cWrong captcha, please type "/captcha THE_CAPTCHA" into the chat!'
 # TODO valid_captcha: '&2Captcha code solved correctly!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 # TODO second: 'second'
 # TODO seconds: 'seconds'

src/main/resources/messages/messages_fi.yml

@@ -96,6 +96,15 @@ usage_captcha: '&cKäyttötapa: /captcha <theCaptcha>'
 wrong_captcha: '&cVäärä varmistus, käytä : /captcha THE_CAPTCHA'
 valid_captcha: '&cSinun varmistus onnistui.!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 # TODO second: 'second'
 # TODO seconds: 'seconds'

src/main/resources/messages/messages_fr.yml

@@ -101,6 +101,15 @@ usage_captcha: '&cTrop de tentatives de connexion échouées, utilisez: /captcha
 wrong_captcha: '&cCaptcha incorrect, écrivez de nouveau: /captcha THE_CAPTCHA'
 valid_captcha: '&aCaptché validé! Veuillez maintenant vous connecter.'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Unités de temps
 second: 'seconde'
 seconds: 'secondes'

src/main/resources/messages/messages_gl.yml

@@ -96,6 +96,15 @@ usage_captcha: '&cNecesitas escribir un captcha, por favor escribe: /captcha <th
 wrong_captcha: '&cCaptcha equivocado, por favor usa: /captcha THE_CAPTCHA'
 valid_captcha: '&cO teu captcha é válido !'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 # TODO second: 'second'
 # TODO seconds: 'seconds'

src/main/resources/messages/messages_hu.yml

@@ -80,7 +80,6 @@ email_added: '&2Az email címed rögzítése sikeresen megtörtént!'
 email_confirm: '&cKérlek, ellenőrízd az email címedet!'
 email_changed: '&2Az email cím cseréje sikeresen megtörtént!'
 email_send: '&2A jelszó visszaállításhoz szükséges emailt elküldtük! Ellenőrizd a leveleidet!'
-email_exists: '&cA visszaállító emailt elküldtük! Hiba esetén újra kérheted az alábbi parancs segítségével:'
 email_show: '&2A jelenlegi email-ed a következő: &f%email'
 incomplete_email_settings: 'Hiba: nem lett beállítva az összes szükséges beállítás az email küldéshez. Vedd fel a kapcsolatot egy adminnal.'
 email_already_used: '&4Ez az email cím már használatban van!'
@@ -88,6 +87,7 @@ email_send_failure: 'Nem sikerült elküldeni az emailt. Lépj kapcsolatba egy a
 show_no_email: '&2Ehhez a felhasználóhoz jelenleg még nincs email hozzárendelve.'
 add_email: '&3Kérlek, rendeld hozzá a felhasználódhoz az email címedet "&7/email add <email címed> <email címed ismét>&3".'
 recovery_email: '&3Ha elfelejtetted a jelszavad, használd az "&7/email recovery <regisztrált email címed>&3".'
+# TODO change_password_expired: 'You cannot change your password using this command anymore.'
 email_cooldown_error: '&cEgy emailt már kiküldtünk. Következő email küldése előtt várnod kell: %time.'
 
 # Captcha
@@ -95,6 +95,15 @@ usage_captcha: '&3A bejelentkezéshez CAPTCHA szükséges, kérlek, használd a
 wrong_captcha: '&cHibás CAPTCHA, kérlek, írd be a következő parancsot: "&7/captcha THE_CAPTCHA&c"!'
 valid_captcha: '&2A CAPTCHA sikeresen feloldva!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'másodperc'
 seconds: 'másodperc'

src/main/resources/messages/messages_id.yml

@@ -96,6 +96,15 @@ usage_captcha: '&3Kamu harus menyelesaikan kode captcha untuk login, silahkan gu
 wrong_captcha: '&cCaptcha salah, gunakan command "/captcha THE_CAPTCHA" pada chat!'
 valid_captcha: '&2Kode captcha terselesaikan!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 # TODO second: 'second'
 # TODO seconds: 'seconds'

src/main/resources/messages/messages_it.yml

@@ -97,6 +97,15 @@ usage_captcha: '&3Per poterti autenticare devi risolvere un captcha, per favore
 wrong_captcha: '&cCaptcha sbagliato, per favore riprova scrivendo: "/captcha THE_CAPTCHA" in chat!'
 valid_captcha: '&2Il captcha inserito è valido!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Unità di tempo
 second: 'secondo'
 seconds: 'secondi'

src/main/resources/messages/messages_ko.yml

@@ -34,7 +34,6 @@ tempban_max_logins: '&c너무 많이 로그인에 실패하여 잠시 서버에
 max_reg: '&c당신은 가입할 수 있는 계정 한도를 초과했습니다 (%reg_count/%max_acc %reg_names)!'
 no_perm: '&4이 작업을 수행할 수 있는 권한이 없습니다!'
 error: '&4예기치 않은 오류가 발생했습니다, 관리자에게 알려주세요!'
-unsafe_spawn: '&c마지막으로 접속한 위치가 안전하지 않습니다, 이 세계의 스폰 지점으로 텔레포트 됩니다.'
 kick_forvip: '&3서버가 꽉 차있을땐 VIP 플레이어만 접속이 가능합니다!'
 
 # AntiBot
@@ -48,7 +47,11 @@ accounts_owned_self: '%count 개의 계정을 소유하고 있습니다:'
 accounts_owned_other: '플레이어 %name 는 %count 개의 계정을 소유하고 있습니다:'
 two_factor_create: '&2당신의 비밀 코드는 %code 입니다. %url 에서 스캔할 수 있습니다'
 recovery_code_sent: '비밀번호 재설정을 위한 복구 코드가 이메일로 전송되었습니다.'
+# TODO: Missing tags %count
 recovery_code_incorrect: '복구 코드가 올바르지 않습니다! "/email recovery [이메일 주소]"를 이용하여 새로 생성하세요'
+# TODO recovery_tries_exceeded: 'You have exceeded the maximum number attempts to enter the recovery code. Use "/email recovery [email]" to generate a new one.'
+# TODO recovery_code_correct: 'Recovery code entered correctly!'
+# TODO recovery_change_password: 'Please use the command /email setpassword <new password> to change your password immediately.'
 vb_nonActiv: '&c계정이 아직 활성화되지 않았습니다, 이메일을 확인해보세요!'
 usage_unreg: '&c사용법: /unregister <비밀번호>'
 pwd_changed: '&2비밀번호가 변경되었습니다!'
@@ -82,7 +85,6 @@ email_added: '&2계정에 이메일 주소를 추가했습니다!'
 email_confirm: '&c이메일 주소를 확인해주세요!'
 email_changed: '&2이메일 주소가 변경되었습니다!'
 email_send: '&2복구 이메일을 보냈습니다! 메일함을 확인해보세요!'
-email_exists: '&c복구 이메일을 이미 보냈습니다! 아래 명령어를 사용하여 취소하고 다시 보낼 수 있습니다:'
 email_show: '&2현재 이메일 주소: &f%email'
 incomplete_email_settings: '오류: 메일을 보내기 위해 필요한 설정이 되어 있지 않습니다. 관리자에게 알려주세요.'
 email_already_used: '&4이메일 주소가 이미 사용 중입니다.'
@@ -90,8 +92,29 @@ email_send_failure: '이메일을 보낼 수 없습니다. 관리자에게 알
 show_no_email: '&2현재 이 계정과 연결된 이메일 주소가 없습니다.'
 add_email: '&3다음 명령어로 계정에 이메일 주소를 추가하세요: /email add <이메일 주소> <이메일 주소 확인>'
 recovery_email: '&3비밀번호를 잊으셨나요? 이 명령어를 사용해보세요: /email recovery <이메일 주소>'
+# TODO change_password_expired: 'You cannot change your password using this command anymore.'
+# TODO email_cooldown_error: '&cAn email was already sent recently. You must wait %time before you can send a new one.'
 
 # Captcha
 usage_captcha: '&3로그인 하려면 CAPTCHA 코드를 입력해야 합니다, 이 명령어를 사용하세요: /captcha <theCaptcha>'
 wrong_captcha: '&c잘못된 CAPTCHA 코드 입니다, "/captcha THE_CAPTCHA"을 입력해주세요!'
 valid_captcha: '&2CAPTCHA 코드가 확인되었습니다!'
+
+# Verification Code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
+# Time units
+# TODO second: 'second'
+# TODO seconds: 'seconds'
+# TODO minute: 'minute'
+# TODO minutes: 'minutes'
+# TODO hour: 'hour'
+# TODO hours: 'hours'
+# TODO day: 'day'
+# TODO days: 'days'

src/main/resources/messages/messages_lt.yml

@@ -96,6 +96,15 @@ usage_captcha: '&cPanaudojimas: /captcha <theCaptcha>'
 wrong_captcha: '&cNeteisinga Captcha, naudokite : /captcha THE_CAPTCHA'
 valid_captcha: '&cJusu captcha Teisinga!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 # TODO second: 'second'
 # TODO seconds: 'seconds'

src/main/resources/messages/messages_nl.yml

@@ -95,6 +95,15 @@ usage_captcha: '&3Om in te loggen moet je een captcha-code oplossen, gebruik het
 wrong_captcha: '&cVerkeerde captcha-code, typ alsjeblieft "/captcha THE_CAPTCHA" in de chat!'
 valid_captcha: '&2De captcha-code is geldig!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'seconde'
 seconds: 'seconden'

src/main/resources/messages/messages_pl.yml

@@ -95,6 +95,15 @@ usage_captcha: '&cWpisz: /captcha <theCaptcha>'
 wrong_captcha: '&cZły kod, proszę wpisać: /captcha THE_CAPTCHA'
 valid_captcha: '&cTwój kod jest nieprawidłowy!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'sekundy'
 seconds: 'sekund'

src/main/resources/messages/messages_pt.yml

@@ -97,6 +97,15 @@ usage_captcha: '&cPrecisa digitar um captcha, escreva: /captcha <theCaptcha>'
 wrong_captcha: '&cCaptcha errado, por favor escreva: /captcha THE_CAPTCHA'
 valid_captcha: '&cO seu captcha é válido!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'segundo'
 seconds: 'segundos'

src/main/resources/messages/messages_ro.yml

@@ -95,6 +95,15 @@ usage_captcha: '&3Pentru a te autentifica, te rugam sa folosesti comanda "/captc
 wrong_captcha: '&cCodul de verificare este gresit, te rugam foloseste comanda "/captcha THE_CAPTCHA"!'
 valid_captcha: '&2Codul de verificare a fost scris corect!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'secunda'
 seconds: 'secunde'

src/main/resources/messages/messages_ru.yml

@@ -95,6 +95,15 @@ usage_captcha: '&3Необходимо ввести текст с каптчи.
 wrong_captcha: '&cНеверно! Используйте «/captcha THE_CAPTCHA».'
 valid_captcha: '&2Вы успешно решили каптчу!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Единицы времени
 second: 'с.'
 seconds: 'с.'

src/main/resources/messages/messages_sk.yml

@@ -102,6 +102,15 @@ usage_captcha: '&3Pre prihlásenie musíš vyriešiť captcha kód, prosím pou
 wrong_captcha: '&cNesprávny kód captcha, prosím napíš "/captcha THE_CAPTCHA" do chatu!'
 valid_captcha: '&2Správne si vyriešil captcha kód!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'sek.'
 seconds: 'sek.'

src/main/resources/messages/messages_tr.yml

@@ -96,6 +96,15 @@ usage_captcha: '&3Giris yapmak icin guvenlik kodunu komut yazarak girin "/captch
 wrong_captcha: '&cYanlis guvenlik kodu, kullanim sekli "/captcha THE_CAPTCHA" sohbete yazin!'
 valid_captcha: '&2Guvenlik kodu dogrulandi!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Zaman birimleri
 second: 'saniye'
 seconds: 'saniye'

src/main/resources/messages/messages_uk.yml

@@ -95,6 +95,15 @@ usage_captcha: '&3Для продовження доведеться ввест
 wrong_captcha: '&cНевірно введена капча! Спробуйте ще раз — "/captcha THE_CAPTCHA"'
 valid_captcha: '&2Капчу прийнято.'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 # TODO second: 'second'
 # TODO seconds: 'seconds'

src/main/resources/messages/messages_vn.yml

@@ -96,6 +96,15 @@ usage_captcha: '&eĐể đăng nhập vui lòng hãy nhập mã Captcha, gõ l
 wrong_captcha: '&cSai mã captcha, Vui lòng gõ lệnh "/captcha THE_CAPTCHA"!'
 valid_captcha: '&2Mã captcha đã được xác nhận!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: 'giây'
 seconds: 'giây'

src/main/resources/messages/messages_zhcn.yml

@@ -97,6 +97,15 @@ usage_captcha: '&8[&6玩家系统&8] &c正确用法：/captcha <theCaptcha>'
 wrong_captcha: '&8[&6玩家系统&8] &c错误的验证码，请输入：“/captcha THE_CAPTCHA”'
 valid_captcha: '&8[&6玩家系统&8] &c你的验证码是有效的！'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # 时间单位
 second: '秒'
 seconds: '秒'

src/main/resources/messages/messages_zhhk.yml

@@ -99,6 +99,15 @@ usage_captcha: '&8[&6用戶系統&8] &f用法：《 /captcha <theCaptcha> 》'
 wrong_captcha: '&8[&6用戶系統&8] &c你所輸入的驗證碼無效，請使用 《 /captcha THE_CAPTCHA 》 再次輸入。'
 valid_captcha: '&8[&6用戶系統&8] &c你所輸入的驗證碼無效 ！'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 second: '秒'
 seconds: '秒'

src/main/resources/messages/messages_zhmc.yml

@@ -96,6 +96,15 @@ usage_captcha: '&3T要登錄您必須使用captcha驗證碼,請使用命令: "/c
 wrong_captcha: '&c驗證碼錯誤!請按T在聊天中輸入 "/captcha THE_CAPTCHA"'
 valid_captcha: '&2驗證碼正確!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 # TODO second: 'second'
 # TODO seconds: 'seconds'

src/main/resources/messages/messages_zhtw.yml

@@ -100,6 +100,15 @@ usage_captcha: '&b【AuthMe】&6請用 &c"/captcha <theCaptcha>" &6來輸入你
 wrong_captcha: '&b【AuthMe】&6錯誤的驗證碼，請使用 《 /captcha THE_CAPTCHA 》 再試一次吧。'
 valid_captcha: '&b【AuthMe】&6驗證碼無效!'
 
+# Verification code
+# TODO verification_code_required: '&3This command is sensitive and requires an email verification! Check your inbox and follow the email''s instructions.'
+# TODO usage_verification_code: '&cUsage: /verification <code>'
+# TODO incorrect_verification_code: '&cIncorrect code, please type "/verification <code>" into the chat, using the code you received by email'
+# TODO verification_code_verified: '&2Your identity has been verified! You can now execute all commands within the current session!'
+# TODO verification_code_already_verified: '&2You can already execute every sensitive command within the current session!'
+# TODO verification_code_expired: '&3Your code has expired! Execute an other sensitive command to get a new code!'
+# TODO verification_code_email_needed: '&3To verify your identity you need to link an email address with your account!!'
+
 # Time units
 # TODO second: 'second'
 # TODO seconds: 'seconds'

src/main/resources/plugin.yml

@@ -47,8 +47,11 @@ commands:
     - changepass
     - cp
   captcha:
-    description: Captcha Command
+    description: Captcha command
     usage: /captcha <captcha>
+  verification:
+    description: Verification command
+    usage: /verification <code>
 permissions:
   authme.admin.*:
     description: Gives access to all admin commands
@@ -224,6 +227,7 @@ permissions:
       authme.player.login: true
       authme.player.logout: true
       authme.player.register: true
+      authme.player.security.verificationcode: true
       authme.player.seeownaccounts: true
       authme.player.unregister: true
   authme.player.canbeforced:
@@ -263,6 +267,9 @@ permissions:
   authme.player.register:
     description: Command permission to register.
     default: true
+  authme.player.security.verificationcode:
+    description: Permission to use the email verification codes feature.
+    default: true
   authme.player.seeownaccounts:
     description: Permission to use to see own other accounts.
     default: true

src/main/resources/verification_code_email.html

@@ -0,0 +1,20 @@
+<h1>
+    Dear <playername />,
+</h1>
+
+<p>
+    This is your temporary verification code for the server <servername />:
+</p>
+<p>
+    <generatedcode />
+</p>
+
+<p>
+    This code will be valid for the next <minutesvalid /> mins!<br />
+    Use the command
+    /verification <generatedcode />
+    to complete the verification process.
+</p>
+<p>
+    See you on <servername />!
+</p>

src/test/java/fr/xephi/authme/command/CommandInitializerTest.java

@@ -44,7 +44,7 @@ public class CommandInitializerTest {
         // It obviously doesn't make sense to test much of the concrete data
         // that is being initialized; we just want to guarantee with this test
         // that data is indeed being initialized and we take a few "probes"
-        assertThat(commands, hasSize(8));
+        assertThat(commands, hasSize(9));
         assertThat(commandsIncludeLabel(commands, "authme"), equalTo(true));
         assertThat(commandsIncludeLabel(commands, "register"), equalTo(true));
         assertThat(commandsIncludeLabel(commands, "help"), equalTo(false));

src/test/java/fr/xephi/authme/command/executable/changepassword/ChangePasswordCommandTest.java

@@ -1,5 +1,6 @@
 package fr.xephi.authme.command.executable.changepassword;
 
+import fr.xephi.authme.data.VerificationCodeManager;
 import fr.xephi.authme.data.auth.PlayerCache;
 import fr.xephi.authme.message.MessageKey;
 import fr.xephi.authme.process.Management;
@@ -40,11 +41,14 @@ public class ChangePasswordCommandTest {
     private ChangePasswordCommand command;
 
     @Mock
-    private CommonService commandService;
+    private CommonService commonService;
 
     @Mock
     private PlayerCache playerCache;
 
+    @Mock
+    private VerificationCodeManager codeManager;
+
     @Mock
     private ValidationService validationService;
 
@@ -72,23 +76,24 @@ public class ChangePasswordCommandTest {
         command.executeCommand(sender, Arrays.asList("pass", "pass"));
 
         // then
-        verify(commandService).send(sender, MessageKey.NOT_LOGGED_IN);
+        verify(commonService).send(sender, MessageKey.NOT_LOGGED_IN);
     }
 
     @Test
     public void shouldRejectInvalidPassword() {
         // given
-        CommandSender sender = initPlayerWithName("abc12", true);
+        Player sender = initPlayerWithName("abc12", true);
         String password = "newPW";
-        given(validationService.validatePassword(password, "abc12"))
+        given(validationService.validatePassword(password, "abc12")).willReturn(new ValidationResult(MessageKey.INVALID_PASSWORD_LENGTH));
-            .willReturn(new ValidationResult(MessageKey.INVALID_PASSWORD_LENGTH));
+        given(codeManager.isVerificationRequired(sender)).willReturn(false);
 
         // when
         command.executeCommand(sender, Arrays.asList("tester", password));
 
         // then
         verify(validationService).validatePassword(password, "abc12");
-        verify(commandService).send(sender, MessageKey.INVALID_PASSWORD_LENGTH, new String[0]);
+        verify(commonService).send(sender, MessageKey.INVALID_PASSWORD_LENGTH, new String[0]);
+        verify(codeManager).isVerificationRequired(sender);
     }
 
     @Test
@@ -98,14 +103,16 @@ public class ChangePasswordCommandTest {
         String newPass = "abc123";
         Player player = initPlayerWithName("parker", true);
         given(validationService.validatePassword("abc123", "parker")).willReturn(new ValidationResult());
+        given(codeManager.isVerificationRequired(player)).willReturn(false);
 
         // when
         command.executeCommand(player, Arrays.asList(oldPass, newPass));
 
         // then
         verify(validationService).validatePassword(newPass, "parker");
-        verify(commandService, never()).send(eq(player), any(MessageKey.class));
+        verify(commonService, never()).send(eq(player), any(MessageKey.class));
         verify(management).performPasswordChange(player, oldPass, newPass);
+        verify(codeManager).isVerificationRequired(player);
     }
 
     @Test

src/test/java/fr/xephi/authme/command/executable/email/ChangeEmailCommandTest.java

@@ -1,7 +1,9 @@
 package fr.xephi.authme.command.executable.email;
 
+import fr.xephi.authme.data.VerificationCodeManager;
 import fr.xephi.authme.message.MessageKey;
 import fr.xephi.authme.process.Management;
+import fr.xephi.authme.service.CommonService;
 import org.bukkit.command.BlockCommandSender;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -16,9 +18,11 @@ import java.util.Collections;
 
 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;
 import static org.mockito.Mockito.verifyZeroInteractions;
+import static org.mockito.Mockito.when;
 
 /**
  * Test for {@link ChangeEmailCommand}.
@@ -32,6 +36,12 @@ public class ChangeEmailCommandTest {
     @Mock
     private Management management;
 
+    @Mock
+    private CommonService commonService;
+
+    @Mock
+    private VerificationCodeManager codeManager;
+
 
     @Test
     public void shouldRejectNonPlayerSender() {
@@ -45,16 +55,34 @@ public class ChangeEmailCommandTest {
         verifyZeroInteractions(management);
     }
 
+    @Test
+    public void shouldStopIfVerificationIsRequired() {
+        // given
+        String name = "Testeroni";
+        Player player = initPlayerWithName(name);
+        given(codeManager.isVerificationRequired(player)).willReturn(true);
+
+        // when
+        command.executeCommand(player, Arrays.asList("mail@example.org", "otherMail@example.com"));
+
+        // then
+        verify(codeManager).codeExistOrGenerateNew(name);
+        verify(commonService).send(player, MessageKey.VERIFICATION_CODE_REQUIRED);
+        verifyZeroInteractions(management);
+    }
+
     @Test
     public void shouldForwardData() {
         // given
-        Player sender = mock(Player.class);
+        Player sender = initPlayerWithName("AmATest");
+        given(codeManager.isVerificationRequired(sender)).willReturn(false);
 
         // when
         command.executeCommand(sender, Arrays.asList("new.mail@example.org", "old_mail@example.org"));
 
         // then
         verify(management).performChangeEmail(sender, "new.mail@example.org", "old_mail@example.org");
+        verify(codeManager).isVerificationRequired(sender);
     }
 
     @Test
@@ -62,4 +90,10 @@ public class ChangeEmailCommandTest {
         // given / when / then
         assertThat(command.getArgumentsMismatchMessage(), equalTo(MessageKey.USAGE_CHANGE_EMAIL));
     }
+
+    private Player initPlayerWithName(String name) {
+        Player player = mock(Player.class);
+        when(player.getName()).thenReturn(name);
+        return player;
+    }
 }

src/test/java/fr/xephi/authme/command/executable/unregister/UnregisterCommandTest.java

@@ -1,5 +1,6 @@
 package fr.xephi.authme.command.executable.unregister;
 
+import fr.xephi.authme.data.VerificationCodeManager;
 import fr.xephi.authme.data.auth.PlayerCache;
 import fr.xephi.authme.message.MessageKey;
 import fr.xephi.authme.process.Management;
@@ -17,11 +18,11 @@ import java.util.Collections;
 import static org.hamcrest.Matchers.containsString;
 import static org.hamcrest.Matchers.equalTo;
 import static org.junit.Assert.assertThat;
-import static org.mockito.hamcrest.MockitoHamcrest.argThat;
 import static org.mockito.BDDMockito.given;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyZeroInteractions;
+import static org.mockito.hamcrest.MockitoHamcrest.argThat;
 
 /**
  * Test for {@link UnregisterCommand}.
@@ -36,11 +37,14 @@ public class UnregisterCommandTest {
     private Management management;
 
     @Mock
-    private CommonService commandService;
+    private CommonService commonService;
 
     @Mock
     private PlayerCache playerCache;
 
+    @Mock
+    private VerificationCodeManager codeManager;
+
     @Test
     public void shouldCatchUnauthenticatedUser() {
         // given
@@ -55,7 +59,26 @@ public class UnregisterCommandTest {
 
         // then
         verify(playerCache).isAuthenticated(name);
-        verify(commandService).send(player, MessageKey.NOT_LOGGED_IN);
+        verify(commonService).send(player, MessageKey.NOT_LOGGED_IN);
+        verifyZeroInteractions(management);
+    }
+
+    @Test
+    public void shouldStopForMissingVerificationCode() {
+        // given
+        String name = "asldjf";
+        Player player = mock(Player.class);
+        given(player.getName()).willReturn(name);
+        given(playerCache.isAuthenticated(name)).willReturn(true);
+        given(codeManager.isVerificationRequired(player)).willReturn(true);
+
+        // when
+        command.executeCommand(player, Collections.singletonList("blergh"));
+
+        // then
+        verify(playerCache).isAuthenticated(name);
+        verify(codeManager).codeExistOrGenerateNew(name);
+        verify(commonService).send(player, MessageKey.VERIFICATION_CODE_REQUIRED);
         verifyZeroInteractions(management);
     }
 
@@ -67,6 +90,7 @@ public class UnregisterCommandTest {
         Player player = mock(Player.class);
         given(player.getName()).willReturn(name);
         given(playerCache.isAuthenticated(name)).willReturn(true);
+        given(codeManager.isVerificationRequired(player)).willReturn(false);
 
         // when
         command.executeCommand(player, Collections.singletonList(password));
@@ -74,6 +98,7 @@ public class UnregisterCommandTest {
         // then
         verify(playerCache).isAuthenticated(name);
         verify(management).performUnregister(player, password);
+        verify(codeManager).isVerificationRequired(player);
     }
 
     @Test

src/test/java/fr/xephi/authme/command/executable/verification/VerificationCommandTest.java

@@ -0,0 +1,161 @@
+package fr.xephi.authme.command.executable.verification;
+
+import fr.xephi.authme.data.VerificationCodeManager;
+import fr.xephi.authme.message.MessageKey;
+import fr.xephi.authme.service.CommonService;
+import org.bukkit.entity.Player;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+
+import java.util.Collections;
+
+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 VerificationCommand}.
+ */
+@RunWith(MockitoJUnitRunner.class)
+public class VerificationCommandTest {
+
+    @InjectMocks
+    private VerificationCommand command;
+
+    @Mock
+    private CommonService commonService;
+
+    @Mock
+    private VerificationCodeManager codeManager;
+
+    @Test
+    public void shouldDetectIfMailHasASetup() {
+        // given
+        String name = "Alligator";
+        Player player = mockPlayerWithName(name);
+        given(codeManager.canSendMail()).willReturn(false);
+
+        // when
+        command.executeCommand(player, Collections.singletonList("code"));
+
+        // then
+        verify(commonService).send(player, MessageKey.INCOMPLETE_EMAIL_SETTINGS);
+    }
+
+    @Test
+    public void shouldRequireAndAcceptCode() {
+        // given
+        String name = "Duck";
+        String code = "123932";
+        Player player = mockPlayerWithName(name);
+        given(codeManager.canSendMail()).willReturn(true);
+        given(codeManager.isVerificationRequired(player)).willReturn(true);
+        given(codeManager.isCodeRequired(name)).willReturn(true);
+        given(codeManager.checkCode(name, code)).willReturn(true);
+
+        // when
+        command.executeCommand(player, Collections.singletonList(code));
+
+        // then
+        verify(codeManager).isVerificationRequired(player);
+        verify(codeManager).isCodeRequired(name);
+        verify(codeManager).checkCode(name, code);
+        verify(commonService).send(player, MessageKey.VERIFICATION_CODE_VERIFIED);
+    }
+
+    @Test
+    public void shouldRejectCode() {
+        // given
+        String name = "Spider";
+        String code = "98345222";   // more than 6 digits
+        Player player = mockPlayerWithName(name);
+        given(codeManager.canSendMail()).willReturn(true);
+        given(codeManager.isVerificationRequired(player)).willReturn(true);
+        given(codeManager.isCodeRequired(name)).willReturn(true);
+        given(codeManager.checkCode(name, code)).willReturn(false);
+
+        // when
+        command.executeCommand(player, Collections.singletonList(code));
+
+        // then
+        verify(codeManager).isVerificationRequired(player);
+        verify(codeManager).isCodeRequired(name);
+        verify(codeManager).checkCode(name, code);
+        verify(commonService).send(player, MessageKey.INCORRECT_VERIFICATION_CODE);
+    }
+
+    @Test
+    public void shouldRejectVerificationDueToExpiration() {
+        // given
+        String name = "Dog";
+        String code = "131552";
+        Player player = mockPlayerWithName(name);
+        given(codeManager.canSendMail()).willReturn(true);
+        given(codeManager.isVerificationRequired(player)).willReturn(true);
+        given(codeManager.isCodeRequired(name)).willReturn(false);
+
+        // when
+        command.executeCommand(player, Collections.singletonList(code));
+
+        // then
+        verify(codeManager).isVerificationRequired(player);
+        verify(codeManager).isCodeRequired(name);
+        verify(commonService).send(player, MessageKey.VERIFICATION_CODE_EXPIRED);
+    }
+
+    @Test
+    public void shouldRejectVerificationDueToVerifiedIdentity() {
+        // given
+        String name = "Cow";
+        String code = "973583";
+        Player player = mockPlayerWithName(name);
+        given(codeManager.canSendMail()).willReturn(true);
+        given(codeManager.isVerificationRequired(player)).willReturn(false);
+        given(codeManager.hasEmail(name)).willReturn(true);
+
+        // when
+        command.executeCommand(player, Collections.singletonList(code));
+
+        // then
+        verify(codeManager).isVerificationRequired(player);
+        verify(codeManager).hasEmail(name);
+        verify(commonService).send(player, MessageKey.VERIFICATION_CODE_ALREADY_VERIFIED);
+    }
+
+    @Test
+    public void shouldRejectVerificationDueToUndefinedEmail() {
+        // given
+        String name = "Frog";
+        String code = "774543";
+        Player player = mockPlayerWithName(name);
+        given(codeManager.canSendMail()).willReturn(true);
+        given(codeManager.isVerificationRequired(player)).willReturn(false);
+        given(codeManager.hasEmail(name)).willReturn(false);
+
+        // when
+        command.executeCommand(player, Collections.singletonList(code));
+
+        // then
+        verify(codeManager).isVerificationRequired(player);
+        verify(codeManager).hasEmail(name);
+        verify(commonService).send(player, MessageKey.VERIFICATION_CODE_EMAIL_NEEDED);
+        verify(commonService).send(player, MessageKey.ADD_EMAIL_MESSAGE);
+    }
+
+    @Test
+    public void shouldDefineArgumentMismatchMessage() {
+        // given / when / then
+        assertThat(command.getArgumentsMismatchMessage(), equalTo(MessageKey.USAGE_VERIFICATION_CODE));
+    }
+
+    private static Player mockPlayerWithName(String name) {
+        Player player = mock(Player.class);
+        given(player.getName()).willReturn(name);
+        return player;
+    }
+}

src/test/java/fr/xephi/authme/data/VerificationCodeManagerTest.java

@@ -0,0 +1,171 @@
+package fr.xephi.authme.data;
+
+import fr.xephi.authme.datasource.DataSource;
+import fr.xephi.authme.datasource.DataSourceResult;
+import fr.xephi.authme.mail.EmailService;
+import fr.xephi.authme.permission.PermissionsManager;
+import fr.xephi.authme.permission.PlayerPermission;
+import fr.xephi.authme.settings.Settings;
+import fr.xephi.authme.settings.properties.SecuritySettings;
+import org.bukkit.entity.Player;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+
+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.only;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyZeroInteractions;
+
+/**
+ * Test for {@link VerificationCodeManager}.
+ */
+@RunWith(MockitoJUnitRunner.class)
+public class VerificationCodeManagerTest {
+
+    @Mock
+    private Settings settings;
+
+    @Mock
+    private DataSource dataSource;
+
+    @Mock
+    private EmailService emailService;
+
+    @Mock
+    private PermissionsManager permissionsManager;
+
+    @Before
+    public void setUpBasicBehavior() {
+        given(emailService.hasAllInformation()).willReturn(true);
+        given(settings.getProperty(SecuritySettings.VERIFICATION_CODE_EXPIRATION_MINUTES)).willReturn(1);
+    }
+
+    @Test
+    public void shouldRequireVerification() {
+        // given
+        String name1 = "ILoveTests";
+        Player player1 = mockPlayerWithName(name1);
+        given(dataSource.getEmail(name1)).willReturn(DataSourceResult.of("ilovetests@test.com"));
+        given(permissionsManager.hasPermission(player1, PlayerPermission.VERIFICATION_CODE)).willReturn(true);
+        String name2 = "StillLovingTests";
+        Player player2 = mockPlayerWithName(name2);
+
+        VerificationCodeManager codeManager = createCodeManager();
+        codeManager.verify(name2);
+
+        // when
+        boolean test1 = codeManager.isVerificationRequired(player1);
+        boolean test2 = codeManager.isVerificationRequired(player2);
+
+        // then
+        assertThat(test1, equalTo(true));
+        assertThat(test2, equalTo(false));
+        verify(dataSource, only()).getEmail(name1);
+        verify(permissionsManager, only()).hasPermission(player1, PlayerPermission.VERIFICATION_CODE);
+    }
+
+    @Test
+    public void shouldNotRequireVerificationIfEmailSettingsAreIncomplete() {
+        // given
+        given(emailService.hasAllInformation()).willReturn(false);
+        VerificationCodeManager codeManager = createCodeManager();
+        Player player = mock(Player.class);
+
+        // when
+        boolean result = codeManager.isVerificationRequired(player);
+
+        // then
+        assertThat(result, equalTo(false));
+        verifyZeroInteractions(permissionsManager, dataSource);
+    }
+
+    @Test
+    public void shouldNotRequireVerificationForMissingPermission() {
+        // given
+        Player player = mockPlayerWithName("ILoveTests");
+        given(permissionsManager.hasPermission(player, PlayerPermission.VERIFICATION_CODE)).willReturn(false);
+        VerificationCodeManager codeManager = createCodeManager();
+
+        // when
+        boolean result = codeManager.isVerificationRequired(player);
+
+        // then
+        assertThat(result, equalTo(false));
+        verify(permissionsManager).hasPermission(player, PlayerPermission.VERIFICATION_CODE);
+        verifyZeroInteractions(dataSource);
+    }
+
+    @Test
+    public void shouldGenerateCode() {
+        // given
+        String player = "ILoveTests";
+        String email = "ilovetests@test.com";
+        given(dataSource.getEmail(player)).willReturn(DataSourceResult.of(email));
+        VerificationCodeManager codeManager1 = createCodeManager();
+        VerificationCodeManager codeManager2 = createCodeManager();
+        codeManager2.codeExistOrGenerateNew(player);
+
+        // when
+        boolean test1 = codeManager1.hasCode(player);
+        boolean test2 = codeManager2.hasCode(player);
+
+        // then
+        assertThat(test1, equalTo(false));
+        assertThat(test2, equalTo(true));
+    }
+
+    @Test
+    public void shouldRequireCode() {
+        // given
+        String player = "ILoveTests";
+        String email = "ilovetests@test.com";
+        given(dataSource.getEmail(player)).willReturn(DataSourceResult.of(email));
+        VerificationCodeManager codeManager1 = createCodeManager();
+        VerificationCodeManager codeManager2 = createCodeManager();
+        codeManager2.codeExistOrGenerateNew(player);
+
+        // when
+        boolean test1 = codeManager1.isCodeRequired(player);
+        boolean test2 = codeManager2.isCodeRequired(player);
+
+        // then
+        assertThat(test1, equalTo(false));
+        assertThat(test2, equalTo(true));
+    }
+
+    @Test
+    public void shouldVerifyCode() {
+        // given
+        String player = "ILoveTests";
+        String code = "193458";
+        String email = "ilovetests@test.com";
+        given(dataSource.getEmail(player)).willReturn(DataSourceResult.of(email));
+        VerificationCodeManager codeManager1 = createCodeManager();
+        VerificationCodeManager codeManager2 = createCodeManager();
+        codeManager1.codeExistOrGenerateNew(player);
+
+        // when
+        boolean test1 = codeManager1.checkCode(player, code);
+        boolean test2 = codeManager2.checkCode(player, code);
+
+        // then
+        assertThat(test1, equalTo(false));
+        assertThat(test2, equalTo(false));
+    }
+
+    private VerificationCodeManager createCodeManager() {
+        return new VerificationCodeManager(settings, dataSource, emailService, permissionsManager);
+    }
+
+    private static Player mockPlayerWithName(String name) {
+        Player player = mock(Player.class);
+        given(player.getName()).willReturn(name);
+        return player;
+    }
+}

src/test/java/fr/xephi/authme/settings/SettingsTest.java

@@ -77,6 +77,24 @@ public class SettingsTest {
         assertThat(result, equalTo(emailMessage));
     }
 
+    @Test
+    public void shouldLoadVerificationMessage() throws IOException {
+        // given
+        String emailMessage = "Please verify your identity with <recoverycode />.";
+        File emailFile = new File(testPluginFolder, "verification_code_email.html");
+        createFile(emailFile);
+        Files.write(emailFile.toPath(), emailMessage.getBytes());
+
+        PropertyResource resource = mock(PropertyResource.class);
+        Settings settings = new Settings(testPluginFolder, resource, null, CONFIG_DATA);
+
+        // when
+        String result = settings.getVerificationEmailMessage();
+
+        // then
+        assertThat(result, equalTo(emailMessage));
+    }
+
     private static void createFile(File file) {
         try {
             file.getParentFile().mkdirs();

src/test/java/fr/xephi/authme/util/RandomStringUtilsTest.java

@@ -61,6 +61,22 @@ public class RandomStringUtilsTest {
         }
     }
 
+    @Test
+    public void shouldGenerateRandomNumberString() {
+        // given
+        int[] lengths = {0, 1, 18, 147, 1833};
+        Pattern badChars = Pattern.compile(".*[^0-9].*");
+
+        // when / then
+        for (int length : lengths) {
+            String result = RandomStringUtils.generateNum(length);
+            assertThat("Result '" + result + "' should have length " + length,
+                result.length(), equalTo(length));
+            assertThat("Result '" + result + "' should only have characters 0-9",
+                badChars.matcher(result).matches(), equalTo(false));
+        }
+    }
+
     @Test(expected = IllegalArgumentException.class)
     public void shouldThrowForInvalidLength() {
         // given/when