First commit.

.gitignore

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+/vendor
+composer.phar
+composer.lock
+.DS_Store
+/.idea
+Thumbs.db
+/*.php
+sftp-config.json

.php_cs

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+<?php
+
+$header = <<<EOF
+This file is part of the overtrue/socialite.
+
+(c) overtrue <i@overtrue.me>
+
+This source file is subject to the MIT license that is bundled
+with this source code in the file LICENSE.
+EOF;
+
+Symfony\CS\Fixer\Contrib\HeaderCommentFixer::setHeader($header);
+
+return Symfony\CS\Config\Config::create()
+    // use default SYMFONY_LEVEL and extra fixers:
+    ->fixers(array(
+        'header_comment',
+        'short_array_syntax',
+        'ordered_use',
+        'php_unit_construct',
+        'php_unit_strict',
+        // 'strict',
+        // 'strict_param',
+        'align_double_arrow',
+        'align_equals'
+    ))
+    ->finder(
+        Symfony\CS\Finder\DefaultFinder::create()
+            ->exclude('vendor')
+            ->in(__DIR__)
+    )
+;

.travis.yml

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+language: php
+
+php:
+  - 5.5
+  - 5.6
+  - hhvm
+
+sudo: false
+
+install: travis_retry composer install --no-interaction --prefer-source
+
+script: vendor/bin/phpunit --verbose

LICENSE.txt

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+The MIT License (MIT)
+
+Copyright (c) overtrue <i@overtrue.me>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

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+# Socialite
+
+Socialite is a collection of OAuth 2 packages that extracts from [laravel/socialite](https://github.com/laravel/socialite).
+
+# Install
+
+```shell
+$ composer require overtrue/socialite
+```
+
+# Usage
+
+`authorize.php`:
+
+```php
+<?php
+
+use Overtrue\Socialite\SocialiteManager;
+
+include __DIR__.'/vendor/autoload.php';
+
+$config = [
+    'weibo' => [
+        'client_id'     => 'your-app-id',
+        'client_secret' => 'your-app-secret',
+        'redirect'      => 'http://localhost/socialite/callback.php',
+    ],
+];
+
+$socialite = new SocialiteManager($config);
+
+$socialite->driver('weibo')->redirect()->response();
+```
+
+`callback.php`:
+
+```php
+<?php
+
+// ...
+$user = $socialite->driver('weibo')->user();
+
+var_dump($user);
+// 'id' => int 2193182644
+// 'nickname' => null
+// 'name' => string '安正超' (length=9)
+// 'email' => null
+// 'avatar' => string 'http://tp1.sinaimg.cn/2193182644/180/40068307042/1' (length=50)
+```
+
+# License
+
+MIT

composer.json

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+{
+    "name": "overtrue/socialite",
+    "description": "Weibo,QQ,WeChat OAuth login provider for laravel/socialite.",
+    "autoload": {
+        "psr-4": {
+            "Overtrue\\Socialite\\": "src/"
+        }
+    },
+    "require": {
+        "php": ">=5.4.0",
+        "guzzlehttp/guzzle": "~5.0|~6.0",
+        "symfony/http-foundation": "v2.*.*"
+    },
+    "require-dev": {
+        "mockery/mockery": "~0.9",
+        "phpunit/phpunit": "~4.0"
+    },
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "overtrue",
+            "email": "anzhengchao@gmail.com"
+        }
+    ],
+    "minimum-stability": "dev"
+}

phpunit.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false"
+         syntaxCheck="false"
+>
+    <testsuites>
+        <testsuite name="Package Test Suite">
+            <directory suffix=".php">./tests/</directory>
+        </testsuite>
+    </testsuites>
+</phpunit>

src/AccessToken.php

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+<?php
+
+/*
+ * This file is part of the overtrue/socialite.
+ *
+ * (c) overtrue <i@overtrue.me>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+/**
+ * AccessToken.php.
+ *
+ * This file is part of the socialite.
+ *
+ * (c) overtrue <i@overtrue.me>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Overtrue\Socialite;
+
+use ArrayAccess;
+use InvalidArgumentException;
+
+/**
+ * Class AccessToken.
+ */
+class AccessToken implements AccessTokenInterface, ArrayAccess
+{
+    use AttributeTrait;
+
+    /**
+     * @var array
+     */
+    protected $attributes;
+
+    /**
+     * AccessToken constructor.
+     *
+     * @param array $attributes
+     */
+    public function __construct(array $attributes = [])
+    {
+        if (empty($attributes['access_token'])) {
+            throw new InvalidArgumentException('The key "access_token" could not be empty.');
+        }
+
+        $this->attributes = $attributes;
+    }
+
+    /**
+     * Return the access token string.
+     *
+     * @return string
+     */
+    public function getToken()
+    {
+        return $this->getAttribute('access_token');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __toString()
+    {
+        return strval($this->getAttribute('access_token', ''));
+    }
+}

src/AccessTokenInterface.php

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+<?php
+
+/*
+ * This file is part of the overtrue/socialite.
+ *
+ * (c) overtrue <i@overtrue.me>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+/**
+ * AccessTokenInterface.php.
+ *
+ * This file is part of the socialite.
+ *
+ * (c) overtrue <i@overtrue.me>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Overtrue\Socialite;
+
+/**
+ * Interface AccessTokenInterface.
+ */
+interface AccessTokenInterface
+{
+    /**
+     * Return the access token string.
+     *
+     * @return string
+     */
+    public function getToken();
+}

src/AttributeTrait.php

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+<?php
+
+/*
+ * This file is part of the overtrue/socialite.
+ *
+ * (c) overtrue <i@overtrue.me>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+/**
+ * AttributeTrait.php.
+ *
+ * This file is part of the socialite.
+ *
+ * (c) overtrue <i@overtrue.me>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Overtrue\Socialite;
+
+/**
+ * Trait AttributeTrait.
+ */
+trait AttributeTrait
+{
+    /**
+     * Return the extra attribute.
+     *
+     * @param string $name
+     * @param null   $default
+     */
+    public function getAttribute($name, $default = null)
+    {
+        return isset($this->attributes[$name]) ? $this->attributes[$name] : $default;
+    }
+
+    /**
+     * Set extra attributes.
+     *
+     * @param string $name
+     * @param mixed  $value
+     *
+     * @return $this
+     */
+    public function setAttribute($name, $value)
+    {
+        $this->attributes[$name] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Map the given array onto the user's properties.
+     *
+     * @param array $attributes
+     *
+     * @return $this
+     */
+    public function merge(array $attributes)
+    {
+        $this->attributes = array_merge($this->attributes, $attributes);
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function offsetExists($offset)
+    {
+        return array_key_exists($offset, $this->attributes);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function offsetGet($offset)
+    {
+        return $this->getAttribute($offset);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function offsetSet($offset, $value)
+    {
+        $this->setAttribute($offset, $value);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->attributes[$offset]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __get($property)
+    {
+        return $this->getAttribute($property);
+    }
+}