Added twofactor authentication library

For feature #809

https://packagist.org/packages/robthree/twofactorauth

system/composer.json

@@ -9,7 +9,8 @@
     "splitbrain/php-archive": "~1.0",
     "htmlawed/htmlawed": "~1.0",
     "swiftmailer/swiftmailer": "~5",
-    "phpclasses/oauth-api": ">=1.0.103"
+    "phpclasses/oauth-api": ">=1.0.103",
+    "robthree/twofactorauth": "^1.6"
   },
   "repositories": [
     {
@@ -19,5 +20,5 @@
     {
       "packagist": false
     }
-  ]
+  ]  
 }

system/vendor/composer/autoload_psr4.php

@@ -7,4 +7,5 @@
 
 return array(
     'splitbrain\\PHPArchive\\' => array($vendorDir . '/splitbrain/php-archive/src'),
+    'RobThree\\Auth\\' => array($vendorDir . '/robthree/twofactorauth/lib'),
 );

system/vendor/composer/autoload_static.php

@@ -16,13 +16,21 @@ class ComposerStaticInite72621cdbb7ab1eae4754470aabe0609
         array (
             'splitbrain\\PHPArchive\\' => 22,
         ),
+        'R' => 
+        array (
+            'RobThree\\Auth\\' => 14,
+        ),
     );
 
     public static $prefixDirsPsr4 = array (
         'splitbrain\\PHPArchive\\' => 
         array (
             0 => __DIR__ . '/..' . '/splitbrain/php-archive/src',
         ),
+        'RobThree\\Auth\\' => 
+        array (
+            0 => __DIR__ . '/..' . '/robthree/twofactorauth/lib',
+        ),
     );
 
     public static $prefixesPsr0 = array (

system/vendor/composer/installed.json

@@ -552,5 +552,58 @@
                 "file_oauth_client.php"
             ]
         }
+    },
+    {
+        "name": "robthree/twofactorauth",
+        "version": "1.6.1",
+        "version_normalized": "1.6.1.0",
+        "source": {
+            "type": "git",
+            "url": "https://github.com/RobThree/TwoFactorAuth.git",
+            "reference": "a77e7d822343bb88112baef808839cfae7bc5abb"
+        },
+        "dist": {
+            "type": "zip",
+            "url": "https://api.github.com/repos/RobThree/TwoFactorAuth/zipball/a77e7d822343bb88112baef808839cfae7bc5abb",
+            "reference": "a77e7d822343bb88112baef808839cfae7bc5abb",
+            "shasum": ""
+        },
+        "require": {
+            "php": ">=5.3.0"
+        },
+        "require-dev": {
+            "phpunit/phpunit": "@stable"
+        },
+        "time": "2017-11-06T17:55:56+00:00",
+        "type": "library",
+        "installation-source": "dist",
+        "autoload": {
+            "psr-4": {
+                "RobThree\\Auth\\": "lib"
+            }
+        },
+        "notification-url": "https://packagist.org/downloads/",
+        "license": [
+            "MIT"
+        ],
+        "authors": [
+            {
+                "name": "Rob Janssen",
+                "homepage": "http://robiii.me",
+                "role": "Developer"
+            }
+        ],
+        "description": "Two Factor Authentication",
+        "homepage": "https://github.com/RobThree/TwoFactorAuth",
+        "keywords": [
+            "Authentication",
+            "MFA",
+            "Multi Factor Authentication",
+            "Two Factor Authentication",
+            "authenticator",
+            "authy",
+            "php",
+            "tfa"
+        ]
     }
 ]

system/vendor/robthree/twofactorauth/.gitignore

@@ -0,0 +1,189 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.sln.docstates
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+build/
+bld/
+[Bb]in/
+[Oo]bj/
+
+# Roslyn cache directories
+*.ide/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+#NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding addin-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings 
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# If using the old MSBuild-Integrated Package Restore, uncomment this:
+#!**/packages/repositories.config
+
+# Windows Azure Build Output
+csx/
+*.build.csdef
+
+# Windows Store app package directory
+AppPackages/
+
+# Others
+sql/
+*.Cache
+ClientBin/
+[Ss]tyle[Cc]op.*
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+node_modules/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# Composer
+/vendor
+
+# .vs
+.vs/

system/vendor/robthree/twofactorauth/.travis.yml

@@ -0,0 +1,18 @@
+language: php
+
+dist: trusty
+matrix:
+  include:
+    - php: 5.3
+      dist: precise
+
+php:
+  - 5.4
+  - 5.5
+  - 5.6
+  - 7.0
+  - 7.1
+  - hhvm
+
+script:
+  - if [[ "$TRAVIS_PHP_VERSION" == '5.6' ]]; then phpunit --coverage-text tests ; fi