Class CtctOAuth2

Class that implements necessary functionality to obtain an access token from a user

Namespace: Ctct\Auth
Package: Auth
Author: Constant Contact
Located at Ctct/Auth/CtctOAuth2.php

Methods summary
`public`	# `__construct( mixed $clientId, mixed $clientSecret, mixed $redirectUri, mixed $restClient = null )`
`public string`	# `getAuthorizationUrl( boolean $server = true, string $state = null )` Get the URL at which the user can authenticate and authorize the requesting application Get the URL at which the user can authenticate and authorize the requesting application Parameters `$server` `boolean` $server - Whether or not to use OAuth2 server flow, alternative is client flow `$state` `string` $state - An optional value used by the client to maintain state between the request and callback. Returns `string` $url - The url to send a user to, to grant access to their account
`public array`	# `getAccessToken( string $code )` Obtain an access token Obtain an access token Parameters `$code` `string` $code - code returned from Constant Contact after a user has granted access to their account Returns `array` Throws `Ctct\Exception\OAuth2Exception`
`public array`	# `getTokenInfo( string $accessToken )` Get an information about an access token Get an information about an access token Parameters `$accessToken` `string` $accessToken - Constant Contact OAuth2 access token Returns `array` Throws `Ctct\Exception\CtctException`