89 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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namespace dokuwiki\Action;
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use dokuwiki\Action\Exception\ActionDisabledException;
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use dokuwiki\Action\Exception\ActionException;
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use dokuwiki\Action\Exception\FatalException;
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/**
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 * Class AbstractAction
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 *
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 * Base class for all actions
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 *
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 * @package dokuwiki\Action
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 */
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abstract class AbstractAction {
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    /** @var string holds the name of the action (lowercase class name, no namespace) */
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    protected $actionname;
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    /**
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     * AbstractAction constructor.
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     *
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     * @param string $actionname the name of this action (see getActionName() for caveats)
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     */
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    public function __construct($actionname = '') {
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        if($actionname !== '') {
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            $this->actionname = $actionname;
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        } else {
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            // http://stackoverflow.com/a/27457689/172068
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            $this->actionname = strtolower(substr(strrchr(get_class($this), '\\'), 1));
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        }
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    }
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    /**
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     * Return the minimum permission needed
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     *
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     * This needs to return one of the AUTH_* constants. It will be checked against
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     * the current user and page after checkPermissions() ran through. If it fails,
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     * the user will be shown the Denied action.
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     *
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     * @return int
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     */
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    abstract public function minimumPermission();
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    /**
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     * Check conditions are met to run this action
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     *
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     * @throws ActionException
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     * @return void
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     */
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    public function checkPreconditions() {
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    }
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    /**
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     * Process data
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     *
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     * This runs before any output is sent to the browser.
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     *
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     * Throw an Exception if a different action should be run after this step.
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     *
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     * @throws ActionException
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     * @return void
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     */
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    public function preProcess() {
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    }
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    /**
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     * Output whatever content is wanted within tpl_content();
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     *
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     * @fixme we may want to return a Ui class here
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     */
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    public function tplContent() {
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        throw new FatalException('No content for Action ' . $this->actionname);
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    }
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    /**
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     * Returns the name of this action
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     *
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     * This is usually the lowercased class name, but may differ for some actions.
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     * eg. the export_ modes or for the Plugin action.
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     *
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     * @return string
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     */
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    public function getActionName() {
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        return $this->actionname;
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    }
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}
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