1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
<?php
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
namespace TodoList;
use \TodoList\Exception\NotFoundException;
use \TodoList\Flash\Flash;
/**
* Main application class.
*/
final class Index {
const DEFAULT_PAGE = 'home';
const PAGE_DIR = '../page/';
const LAYOUT_DIR = '../layout/';
private static $CLASSES = [
'TodoList\Config\Config' => '/../config/Config.php',
'TodoList\Flash\Flash' => '/../flash/Flash.php',
'TodoList\Exception\NotFoundException' => '/../exception/NotFoundException.php',
'TodoList\Dao\TodoDao' => '/../dao/TodoDao.php',
'TodoList\Dao\TodoSearchCriteria' => '/../dao/TodoSearchCriteria.php',
'TodoList\Mapping\TodoMapper' => '/../mapping/TodoMapper.php',
'TodoList\Model\Todo' => '/../model/Todo.php',
'TodoList\Validation\TodoValidator' => '/../validation/TodoValidator.php',
'TodoList\Validation\ValidationError' => '/../validation/ValidationError.php',
'TodoList\Util\Utils' => '/../util/Utils.php',
];
/**
* System config.
*/
public function init() {
// error reporting - all errors for development (ensure you have display_errors = On in your php.ini file)
error_reporting(E_ALL | E_STRICT);
mb_internal_encoding('UTF-8');
set_exception_handler([$this, 'handleException']);
spl_autoload_register([$this, 'loadClass']);
// session
session_start();
}
/**
* Run the application!
*/
public function run() {
$this->runPage($this->getPage());
}
/**
* Exception handler.
*/
public function handleException($ex) {
$extra = ['message' => $ex->getMessage()];
if ($ex instanceof NotFoundException) {
header('HTTP/1.0 404 Not Found');
$this->runPage('404', $extra);
} else {
// TODO log exception
header('HTTP/1.1 500 Internal Server Error');
$this->runPage('500', $extra);
}
}
/**
* Class loader.
*/
public function loadClass($name) {
if (!array_key_exists($name, self::$CLASSES)) {
die('Class "' . $name . '" not found.');
}
require_once __DIR__ . self::$CLASSES[$name];
}
private function getPage() {
$page = self::DEFAULT_PAGE;
if (array_key_exists('page', $_GET)) {
$page = $_GET['page'];
}
return $this->checkPage($page);
}
private function checkPage($page) {
if (!preg_match('/^[a-z0-9-]+$/i', $page)) {
// TODO log attempt, redirect attacker, ...
throw new NotFoundException('Unsafe page "' . $page . '" requested');
}
if (!$this->hasScript($page)
&& !$this->hasTemplate($page)) {
// TODO log attempt, redirect attacker, ...
throw new NotFoundException('Page "' . $page . '" not found');
}
return $page;
}
private function runPage($page, array $extra = []) {
$run = false;
if ($this->hasScript($page)) {
$run = true;
require $this->getScript($page);
}
if ($this->hasTemplate($page)) {
$run = true;
// data for main template
$template = $this->getTemplate($page);
$flashes = null;
if (Flash::hasFlashes()) {
$flashes = Flash::getFlashes();
}
// main template (layout)
require self::LAYOUT_DIR . 'index.phtml';
}
if (!$run) {
die('Page "' . $page . '" has neither script nor template!');
}
}
private function getScript($page) {
return self::PAGE_DIR . $page . '.php';
}
private function getTemplate($page) {
return self::PAGE_DIR . $page . '.phtml';
}
private function hasScript($page) {
return file_exists($this->getScript($page));
}
private function hasTemplate($page) {
return file_exists($this->getTemplate($page));
}
}
$index = new \TodoList\Index();
$index->init();
// run application!
$index->run();
|
