first commit

.gitattributes

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+# Path-based git attributes
+# https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html
+
+# Ignore all test and documentation with "export-ignore".
+/.gitattributes     export-ignore
+/.gitignore         export-ignore
+/.travis.yml        export-ignore
+/phpunit.xml.dist   export-ignore
+/.scrutinizer.yml   export-ignore
+/tests              export-ignore

.gitignore

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+# yii console command
+/yii
+
+# phpstorm project files
+.idea
+
+# netbeans project files
+nbproject
+
+# zend studio for eclipse project files
+.buildpath
+.project
+.settings
+
+# windows thumbnail cache
+Thumbs.db
+
+# composer vendor dir
+/vendor
+
+# no need in composer distribution
+/composer.phar
+
+# Mac DS_Store Files
+.DS_Store
+
+/phpunit.phar
+# local phpunit config
+/phpunit.xml
+
+# vagrant runtime
+/.vagrant
+# vagrant folder we are not using it
+vagrant
+Vagrantfile
+
+# javascript files
+/node_modules
+tests/_support/_generated
+tests/_output/*
+
+# temporary directory for various purposes
+/temp
+
+# ignore local codeception settings
+codeception.yml
+
+# Code Style Checkers and Mess Detectors
+/phpcs.xml
+/.php_cs.cache
+/.php_cs
+
+# test
+/build
+
+# composer.lock
+composer.lock

.php_cs.dist

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+<?php
+$header = <<<'EOF'
+This file is part of the 2amigos/2fa-library project.
+
+(c) 2amigOS! <http://2amigos.us/>
+
+For the full copyright and license information, please view
+the LICENSE file that was distributed with this source code.
+EOF;
+
+$finder = PhpCsFixer\Finder::create()
+    ->exclude([
+        '.github',
+        'docs',
+        'temp',
+        'tests',
+        'vendor',
+    ])
+    ->in(__DIR__);
+
+    return PhpCsFixer\Config::create()
+    ->setRules(array(
+        '@PSR1' => true,
+        '@PSR2' => true,
+        'header_comment' => ['header' => $header],
+        'array_syntax' => array('syntax' => 'short'),
+        'combine_consecutive_unsets' => true,
+        'no_extra_consecutive_blank_lines' => array(
+        'break',
+        'continue',
+        'extra',
+        'return',
+        'throw',
+        'use',
+        'parenthesis_brace_block',
+        'square_brace_block',
+        'curly_brace_block'
+        ),
+        'no_useless_else' => true,
+        'no_useless_return' => true,
+        'ordered_class_elements' => true,
+        'ordered_imports' => true,
+        'phpdoc_add_missing_param_annotation' => true,
+        'phpdoc_order' => true,
+        'phpdoc_align' => true
+
+    ))
+    ->setFinder($finder);

.scrutinizer.yml

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+filter:
+    excluded_paths: [tests/*, src/lib/*, src/cache/*]
+checks:
+    php:
+        code_rating: true
+        remove_extra_empty_lines: true
+        remove_php_closing_tag: true
+        remove_trailing_whitespace: true
+        fix_use_statements:
+            remove_unused: true
+            preserve_multiple: false
+            preserve_blanklines: true
+            order_alphabetically: true
+        fix_php_opening_tag: true
+        fix_linefeed: true
+        fix_line_ending: true
+        fix_identation_4spaces: true
+        fix_doc_comments: true
+tools:
+    external_code_coverage:
+        timeout: 600
+        runs: 3
+    php_analyzer: true
+    php_code_coverage: false
+    php_code_sniffer:
+        config:
+            standard: PSR2
+        filter:
+            paths: ['src']
+    php_loc:
+        enabled: true
+        excluded_dirs: [vendor, tests]
+    php_cpd:
+        enabled: true
+        excluded_dirs: [vendor, tests]

.travis.yml

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+# faster builds on new travis setup not using sudo
+sudo: false
+
+language: php
+
+php:
+  - 5.6
+  - 7.0
+  - 7.1
+
+cache:
+  directories:
+    - vendor
+    - $HOME/.composer/cache
+
+install:
+  - |
+    if [[ $TRAVIS_PHP_VERSION != '7.1' && $TRAVIS_PHP_VERSION != hhv* ]]; then
+        # disable xdebug for performance reasons when code coverage is not needed
+        # note: xdebug on hhvm is disabled by default
+        phpenv config-rm xdebug.ini || echo "xdebug is not installed"
+    fi
+  - travis_retry composer self-update && composer --version
+  - travis_retry composer global require "fxp/composer-asset-plugin:^1.3.0" --no-plugins
+  - export PATH="$HOME/.composer/vendor/bin:$PATH"
+  - travis_retry composer install --prefer-dist --no-interaction
+
+before_script:
+  - php -r "echo INTL_ICU_VERSION . \"\n\";"
+  - php -r "echo INTL_ICU_DATA_VERSION . \"\n\";"
+
+  # enable code coverage on PHP 7.1, only one PHP version needs to generate coverage data
+  - |
+    if [ $TRAVIS_PHP_VERSION = '7.1' ]; then
+      CODECEPTION_FLAGS="--coverage-xml"
+    fi
+
+script:
+  - composer validate --no-check-lock
+  - vendor/bin/codecept run $CODECEPTION_FLAGS
+
+notifications:
+  email:
+    - hola@2amigos.us
+
+after_script:
+  - |
+    if [ $TRAVIS_PHP_VERSION = '7.1' ]; then
+      travis_retry wget https://scrutinizer-ci.com/ocular.phar
+      php ocular.phar code-coverage:upload --format=php-clover tests/_output/coverage.xml
+    fi

CHANGELOG.md

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+# CHANGELOG
+
+## 1.0.0 - August 27, 2017
+- Initial release (tonydspaniard)

CONTRIBUTING.md

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+# Contributing
+
+Contributions are **welcome** and will be fully **credited**.
+
+We accept contributions via Pull Requests on [Github](https://github.com/2amigos/yii2-qrcode-helper).
+
+
+## Pull Requests
+
+- **[PSR-2 Coding Standard](https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md)** - The easiest way to apply the conventions is to install [PHP Code Sniffer](http://pear.php.net/package/PHP_CodeSniffer).
+
+- **Add tests!** - Your patch won't be accepted if it doesn't have tests.
+
+- **Document any change in behaviour** - Make sure the `README.md` and any other relevant documentation are kept up-to-date.
+
+- **Consider our release cycle** - We try to follow [SemVer v2.0.0](http://semver.org/). Randomly breaking public APIs is not an option.
+
+- **Create feature branches** - Don't ask us to pull from your master branch.
+
+- **One pull request per feature** - If you want to do more than one thing, send multiple pull requests.
+
+- **Send coherent history** - Make sure each individual commit in your pull request is meaningful. If you had to make multiple intermediate commits while developing, please squash them before submitting.
+
+
+## Running Tests
+
+``` bash
+$ phpunit
+```
+
+
+**Happy coding**!

LICENSE.md

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+# The BSD License (BSD)
+
+Copyright (c) 2013-2015, 2amigOS! Consulting Group LLC.
+
+> Redistribution and use in source and binary forms, with or without modification,
+> are permitted provided that the following conditions are met:
+>
+>  Redistributions of source code must retain the above copyright notice, this
+>  list of conditions and the following disclaimer.
+>
+>  Redistributions in binary form must reproduce the above copyright notice, this
+>  list of conditions and the following disclaimer in the documentation and/or
+>  other materials provided with the distribution.
+>
+>  Neither the name of 2amigOS! Consulting Group, LLC. nor the names of its
+>  contributors may be used to endorse or promote products derived from
+>  this software without specific prior written permission.
+>
+>THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+>ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+>WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+>DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+>ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+>(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+>LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+>ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+>(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+>SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

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+2fa library
+===========
+
+[![Latest Version](https://img.shields.io/github/tag/2amigos/2fa-library.svg?style=flat-square&label=release)](https://github.com/2amigos/2fa-library/tags)
+[![Software License](https://img.shields.io/badge/license-BSD-brightgreen.svg?style=flat-square)](LICENSE.md)
+[![Build Status](https://img.shields.io/travis/2amigos/2fa-library/master.svg?style=flat-square)](https://travis-ci.org/2amigos/2fa-library)
+[![Coverage Status](https://img.shields.io/scrutinizer/coverage/g/2amigos/2fa-library.svg?style=flat-square)](https://scrutinizer-ci.com/g/2amigos/2fa-library/code-structure)
+[![Quality Score](https://img.shields.io/scrutinizer/g/2amigos/2fa-library.svg?style=flat-square)](https://scrutinizer-ci.com/g/2amigos/2fa-library)
+[![Total Downloads](https://img.shields.io/packagist/dt/2amigos/2fa-library.svg)](https://packagist.org/packages/2amigos/2fa-library) 
+
+
+This library allows developers to implement Time Based One Time Passwords (TOTP) for the PHP implementation of the 
+2factor Authentication (2FA), supporting both the HMAC-based one-time password (HOTP) and the time-based one-time 
+passwords (TOTP).
+
+## Documentation 
+
+You can read the latest docs on [http://2fa-library.readthedocs.io/en/latest/](http://2fa-library.readthedocs.io/en/latest/)
+
+## Contributing
+
+Please see [CONTRIBUTING](CONTRIBUTING.md) for details.
+
+## Credits
+
+- [Antonio Ribeiro Google 2FA](https://github.com/antonioribeiro/google2fa)
+- [Antonio Ramirez](https://github.com/tonydspaniard)
+- [All Contributors](../../contributors)
+
+## License
+
+The BSD License (BSD). Please see [License File](LICENSE.md) for more information.
+
+
+> [![2amigOS!](http://www.gravatar.com/avatar/55363394d72945ff7ed312556ec041e0.png)](http://www.2amigos.us)
+
+<i>Web development has never been so fun!</i>  
+[www.2amigos.us](http://www.2amigos.us)

composer.json

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+{
+    "name": "2amigos/2fa-library",
+    "description": "2 Factor Authentication (2FA) library",
+    "type": "library",
+    "keywords": [
+        "2amigos",
+        "php",
+        "extension",
+        "library",
+        "2FA",
+        "TOTP",
+        "HOTP",
+        "authticator"
+    ],
+    "homepage": "http://www.2amigos.us/open-source/details/twofa-library",
+    "license": "BSD-3-Clause",
+    "authors": [
+        {
+            "name": "2amigOS! Consulting Group",
+            "email": "hola@2amigos.us",
+            "homepage": "http://2amigos.us",
+            "role": "Developer"
+        }
+    ],
+    "support": {
+        "issues": "https://github.com/2amigos/2fa-library/issues",
+        "source": "https://github.com/2amigos/2fa-library"
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true,
+    "require": {
+        "php": ">=5.6",
+        "paragonie/constant_time_encoding": "^2.0",
+        "paragonie/random_compat": "^2.0"
+    },
+    "require-dev": {
+        "friendsofphp/php-cs-fixer": "^2.3",
+        "scrutinizer/ocular": "~1.1",
+        "squizlabs/php_codesniffer": "*",
+        "phpmd/phpmd": "@stable",
+        "codeception/specify": "^0.4.3",
+        "codeception/verify": "^0.3.1",
+        "codeception/codeception": "*",
+        "2amigos/qrcode-library": "^1.1"
+    },
+    "suggest": {
+        "2amigos/2fa-library": "To be able to create inline QrCodes data uri schemes with logos and labels"
+    },
+    "autoload": {
+        "psr-4": {
+            "Da\\TwoFA\\": "./src"
+        }
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.0-dev"
+        }
+    },
+    "config": {
+        "preferred-install": {
+            "*": "auto"
+        },
+        "fxp-asset": {
+            "installer-paths": {
+                "npm-asset-library": "vendor/npm",
+                "bower-asset-library": "vendor/bower"
+            },
+            "vcs-driver-options": {
+                "github-no-api": true
+            },
+            "git-skip-update": "2 days",
+            "pattern-skip-version": "(-build|-patch)"
+        }
+    }
+}