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12694 anikendra 1 
<?php
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/**
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 * OAuth2.0 draft v10 exception handling.
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 *
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 * @author Originally written by Naitik Shah <naitik@facebook.com>.
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 * @author Update to draft v10 by Edison Wong <hswong3i@pantarei-design.com>.
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 */
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class OAuth2_Exception extends Exception {
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	/**
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	 * The result from the API server that represents the exception information.
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	 */
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	protected $result;
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	/**
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	 * Make a new API Exception with the given result.
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	 *
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	 * @param $result
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	 *   The result from the API server.
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	 */
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	public function __construct($result)
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	{
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		$this->result = $result;
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		$code = isset($result['code']) ? $result['code'] : 0;
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		if (isset($result['error']))
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		{
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			// OAuth 2.0 Draft 10 style
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			$message = $result['error'];
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		}
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		elseif (isset($result['message']))
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		{
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			// cURL style
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			$message = $result['message'];
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		}
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		else
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		{
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			$message = 'Unknown Error.';
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		}
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		parent::__construct($message, $code);
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	}
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	/**
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	* Returns the associated type for the error. This will default to
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	* 'Exception' when a type is not available.
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	*
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	* @return
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	*   The type for the error.
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	*/
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	public function getType()
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	{
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		if (isset($this->result['error']))
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		{
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			$message = $this->result['error'];
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			if (is_string($message))
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			{
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				// OAuth 2.0 Draft 10 style
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				return $message;
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			}
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		}
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		return 'Exception';
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	}
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	/**
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	 * To make debugging easier.
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	 *
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	 * @returns
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	 *   The string representation of the error.
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	 */
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	public function __toString()
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	{
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		$str = $this->getType() . ': ';
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		if ($this->code != 0)
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		{
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			$str .= $this->code . ': ';
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		}
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		return $str . $this->message;
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	}
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}