Initial commit
This commit is contained in:
Ben Ramey
344
php/classes/page.php
Executable file
344
php/classes/page.php
Executable file
@@ -0,0 +1,344 @@
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<?php
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# start a session
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session_start();
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# we set the PHP error handler to use this function
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set_error_handler("page_errors");
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# only care about errors normally
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#error_reporting(E_ERROR | E_USER_ERROR);
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error_reporting(E_ALL);
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# set the include path so that our templates can always include
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# relative to the root template folder
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$DOCROOT = str_replace($_SERVER['SCRIPT_NAME'],'',$_SERVER['SCRIPT_FILENAME']);
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$templates_path = $DOCROOT.'/site';
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$php_path = $DOCROOT.'/php';
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set_include_path(get_include_path() . PATH_SEPARATOR . $templates_path . PATH_SEPARATOR . $php_path);
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# include configuration options
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include_once 'includes/config.php';
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# require the user class to handle users
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require_once 'classes/user.php';
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class Page
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{
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################################################################################
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# PRIVATE DATA
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private $title,$pageName, $lang;
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private $cssFiles = array(),$jsFiles = array();
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private $header, $footer, $content, $menu, $layout;
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private $display,$data;
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private $absPath,$absURL,$site,$templates,$js,$css,$graphics;
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private $messages = array(),$errors = array();
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private $user;
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################################################################################
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# PUBLIC FUNCTIONS
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# constructor
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public function __construct()
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{
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# set our paths
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$this->absPath = str_replace($_SERVER['SCRIPT_NAME'],'',$_SERVER['SCRIPT_FILENAME']).'/';
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$this->absURL = preg_replace('/^(.*)\/\w+\.php$/','$1',$_SERVER['SCRIPT_NAME']).'/';
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$this->site = 'site/';
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$this->templates = $this->absPath.$this->site;
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$this->js = '/'.$this->site . 'javascript/';
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$this->css = '/'.$this->site . 'css/';
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$this->graphics = '/'.$this->site . 'graphics/';
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# the page language is automatically pulled from a language
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# cookie names 'lang'
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if(isset($_GET['lang']))
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{
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$this->lang = $_GET['lang'];
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setcookie('lang',$_GET['lang'],time() + 60*60*24*365);
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# if the lang parameter is empty, we want to get rid of the cookie
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if(empty($_GET['lang']))
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unset($_COOKIE['lang']);
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}
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else if(isset($_COOKIE['lang']) && !empty($_COOKIE['lang']))
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$this->lang = $_COOKIE['lang'];
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else
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$this->lang = 'en';
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$this->templates .= $this->lang .'/';
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$this->graphics .= $this->lang .'/';
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# default values for title and pageName
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$this->title = isset($TITLE_PREFIX) ? $TITLE_PREFIX : 'Welcome!';
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$this->pageName = preg_replace('/^.*\/(\w+)\.php$/','$1',$_SERVER['SCRIPT_NAME']);
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# elements of our page
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$this->header = $this->templates . 'header.php';
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$this->footer = $this->templates . 'footer.php';
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$this->content = $this->templates . 'home.php';
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$this->menu = $this->templates . 'menu.php';
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$this->layout = 'default_layout.php';
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# by default, the header, footer and content are all displayed
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$this->display = array(
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'header' => true,
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'footer' => true,
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'content' => true,
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'menu' => true
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);
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# load default css and js files
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array_push($this->cssFiles,$this->css . 'default.css');
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array_push($this->jsFiles,$this->js . 'default.js');
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}
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# automatically load all css files from folder
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public function autoloadCSS()
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{
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# find all CSS files in css folder
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$this->cssFiles = preg_grep('/\.css$/',scandir($this->absPath . $this->css));
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# make each path relative to absURL
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foreach($this->cssFiles as $key => $value)
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$this->cssFiles[$key] = $this->css . $value;
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}
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# automatically load all javascript files from folder
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public function autoloadJS()
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{
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# find all js files in javascript folder
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$this->jsFiles = preg_grep('/\.js$/',scandir($this->absPath . $this->js));
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# make each path relative to absURL
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foreach($this->jsFiles as $key => $value)
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$this->jsFiles[$key] = $this->js . $value;
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}
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# processes all or part of the page
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public function process($part = NULL)
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{
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# it is possible to process the header or footer by
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# itself or just the content, or the entire page
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if($part == 'header')
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$this->_processHeader();
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else if($part == 'footer')
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$this->_processFooter();
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else if($part == 'content')
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$this->_processContent();
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else
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$this->_processPage();
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}
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# adds a js file to ones already pulled from standard
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# folder
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public function addJSFile($new_file)
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{
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# a list of files can be passed to add several js files at once
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if(func_num_args() > 1)
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{
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$files = func_get_args();
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foreach($files as $js_file)
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{
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array_push($this->jsFiles, $this->js . $js_file);
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}
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}
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# add single file with relative path
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else
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{
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array_push($this->jsFiles, $this->js . $new_file);
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}
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}
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# replaces all other js files with this one
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public function useJSFile($new_file)
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{
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$this->jsFiles = array($this->js . $new_file);
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}
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# adds a css file to ones already pulled from standard folder
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public function addCSSFile($new_file)
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{
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# a list of files can be passed to add several CSS files at once
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if(func_num_args() > 1)
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{
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$files = func_get_args();
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foreach($files as $css_file)
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{
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array_push($this->cssFiles, $this->css . $css_file);
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}
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}
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# add file with relative path
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else
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{
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array_push($this->cssFiles, $this->css . $new_file);
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}
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}
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# replaces all other css files with this one
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public function useCSSFile($new_file)
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{
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$this->cssFiles = array($this->css . $new_file);
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}
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# adds an error message to the array
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public function addError($err)
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{
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array_push($this->errors,$err);
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}
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# adds non-error message to the array
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public function addMessage($msg)
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{
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array_push($this->messages,$msg);
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}
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################################################################################
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# SETTERS/GETTERS
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# return the user object
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public function init_user()
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{
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$this->user = new User($this->absPath.$this->site);
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}
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public function user()
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{
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if(empty($this->user))
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$this->init_user();
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return $this->user;
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}
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# you can pass data to the template via this variable
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public function data($key,$value = NULL)
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{
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if(!is_null($value))
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$this->data[$key] = $value;
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else
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return($this->data[$key]);
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}
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# you can turn off parts of the page by setting it's
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# corresponding display element to false
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public function display($page_element,$value = NULL)
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{
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if(!is_null($value))
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$this->display[$page_element] = $value;
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else
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return($this->display[$page_element]);
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}
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# setter/getter for header file
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public function header($new_header = NULL)
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{
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if(!is_null($new_header))
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$this->header = $this->templates . $new_header;
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else
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return $this->header;
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}
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# setter/getter for footer file
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public function footer($new_footer = NULL)
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{
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if(!is_null($new_footer))
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$this->footer = $this->templates . $new_footer;
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else
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return $this->footer;
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}
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# setter/getter for content file
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public function content($new_content = NULL)
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{
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if(!is_null($new_content))
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$this->content = $this->templates . $new_content;
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else
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return $this->content;
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}
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# setter/getter for menu file
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public function menu($new_menu = NULL)
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{
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if(!is_null($new_menu))
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$this->menu = $this->templates . $new_menu;
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else
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return $this->menu;
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}
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# setter/getter for layout file
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public function layout($new_layout = NULL)
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{
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if(!is_null($new_layout))
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$this->layout = $new_layout;
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else
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return $this->layout;
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}
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# accessor/modifier for page attributes
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public function attr($attr,$value = NULL)
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{
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global $CONFIG;
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# the case when we are setting an attribute
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if(!is_null($value))
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{
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switch($attr)
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{
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case 'lang':
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$this->lang = $value;
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$this->templates = $this->site;
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$this->templates .= $this->lang .'/';
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$this->graphics .= $this->lang .'/';
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$this->header = $this->templates . 'header.php';
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$this->footer = $this->templates . 'footer.php';
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$this->content = $this->templates . 'home.php';
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break;
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case 'title':
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$this->title = $CONFIG['title_prefix'].': '.$value;
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break;
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default:
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break;
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}
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}
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# the case when we are getting an attribute
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else
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{
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switch($attr)
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{
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case 'lang':
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return $this->lang;
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break;
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case 'title':
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return $this->title;
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break;
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default:
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break;
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}
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}
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}
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################################################################################
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# PRIVATE FUNCTIONS
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private function _processPage()
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{
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include $this->absPath . $this->site . 'layout/html.php';
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}
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private function _processHeader()
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{
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include $this->header;
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}
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private function _processFooter()
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{
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include $this->footer;
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}
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private function _processContent()
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{
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include $this->content;
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}
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}
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################################################################## page_errors #
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function page_errors($errno, $errstr, $errfile, $errline, $errcontext)
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{
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global $page;
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# don't do anything with the message if error_reporting
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# is too low for this type of error
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if(!(error_reporting() & $errno))
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return true;
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switch($errno)
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{
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case E_USER_ERROR:
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$page->addError($errstr);
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break;
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case E_NOTICE:
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case E_WARNING:
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case E_USER_WARNING:
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case E_USER_NOTICE:
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$page->addMessage($errstr.$errno.$errfile.$errline);
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break;
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default:
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$page->addError("$errno: $errstr on $errline in $errfile");
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break;
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}
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return true;
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}
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?>
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95
php/classes/user.php
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95
php/classes/user.php
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@@ -0,0 +1,95 @@
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<?php
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class User
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{
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##############################################################################
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# PRIVATE DATA
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private $password, $username, $loggedin, $role;
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private $user_data;
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##############################################################################
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# PUBLIC FUNCTIONS
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public function __construct($site_path)
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{
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$this->user_data = simplexml_load_file($site_path.'data/users/users.xml');
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$this->username = $_SESSION['username'];
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$this->loggedin = $_SESSION['_loggedin'];
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$this->role = $_SESSION['userrole'];
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}
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public function __destruct()
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{
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# save the session data when the object goes out of context
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$_SESSION['username'] = $this->username;
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$_SESSION['_loggedin'] = $this->loggedin;
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$_SESSION['userrole'] = $this->role;
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}
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# see if a user is logged in
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public function user_exists()
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{
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return $this->loggedin;
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}
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# check if the user has a role equal to what is passed
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public function check_role($role_to_check)
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{
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$role_to_check = strtolower($role_to_check);
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if(($role_to_check == $this->role) && $this->loggedin)
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return true;
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else
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return false;
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}
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public function login($username,$password)
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{
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foreach($this->user_data->user as $user)
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{
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if($username == (string)$user->username)
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{
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$hash = sha1($password);
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#print $hash;
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if($hash == (string)$user->password)
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{
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$this->username = $username;
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$this->password = $hash;
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$this->loggedin = true;
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$this->role = (string)$user->role;
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return true;
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}
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return false;
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}
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}
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return false;
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}
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# log the user out
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public function logout()
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{
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# delete cookie
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setcookie('PHPSESSID','',time()-3600);
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# delete the session entirely
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session_unset();
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# reset object vars
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$this->loggedin = false;
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$this->username = NULL;
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$this->password = NULL;
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$this->role = NULL;
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return true;
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}
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##############################################################################
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# SETTERS/GETTERS
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public function username($new_username = NULL)
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{
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if(!is_null($new_username))
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$this->username = $new_username;
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else
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return $this->username;
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}
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public function role()
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{
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return $this->role;
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}
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##############################################################################
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# PRIVATE FUNCTIONS
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}
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?>
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Reference in New Issue
Block a user