modules/iedestroyer/iedestroyer.module

<?php
/**
 * @file
 * Display a banner and/or block to convert Internet Explorer users to Firefox
 *
 * @author David Kent Norman
 * @link http://drupal.org/node/66987
 * @link http://deekayen.net/iedestroyer
 */

// DEFAULTS
define('IEDESTROYER_ENABLED', 0);
define('IEDESTROYER_VISIBILITY', 0);

/**
 * Implementation of hook_help().
 *
 * @return string
 */
function iedestroyer_help($section) {
  switch ($section) {
    case 'admin/block/configure/iedestroyer/0':
      return t('This block only displays when visitors are using Internet Explorer.');
      break;
  }
}

function iedestroyer_init() {
  // common.inc doesn't load till a full bootstrap, whereas init is before that
  require_once 'includes/common.inc';

  $path = drupal_get_path('module', 'iedestroyer');

  if (variable_get('iedestroyer_enabled', IEDESTROYER_ENABLED) && _iedestroyer_should_display_page()) {
    if (file_exists("$path/iedestroyer.js")) {
      drupal_add_js("$path/iedestroyer.js");
    }
  }
}

function iedestroyer_menu($maycache) {
  $items = array();
  $items[] = array(
    'path' => 'admin/settings/iedestroyer',
    'title' => t('IE Destroyer'),
    'description' => t('Change what type of banner displays.'),
    'callback' => 'drupal_get_form',
    'callback arguments' => 'iedestroyer_admin_settings',
    'access' => user_access('administer site configuration'),
    'type' => MENU_NORMAL_ITEM
  );
  return $items;
}
/**
 * Implementation of hook_block().
 */
function iedestroyer_block($op = 'list', $delta = 0, $edit = array()) {
  $edit = $_POST['edit'];
  switch($op) {
  case 'list':
    $blocks[0]['info'] = 'IE Destroyer';
    return $blocks;
    break;

  case 'configure':
    $form['iedestroyer_block_firefoxbutton'] = array(
      '#type' => 'textarea',
      '#title' => t('Block content'),
      '#default_value' => variable_get('iedestroyer_block_firefoxbutton', _iedestroyer_default_firefoxbutton()),
      '#cols' => 70, '#rows' => 9,
      '#required' => true,
      '#default_value' => variable_get('iedestroyer_firefoxbutton', _iedestroyer_default_firefoxbutton()),
      '#description' => t('Insert your Firefox referral HTML. You can earn referral income from Google through AdSense:<br />').
'<script type="text/javascript"><!--
google_ad_client = "pub-1105343943158891";
google_ad_output = "textlink";
google_ad_format = "ref_text";
google_cpa_choice = "CAAQidTQgAIaCDFyD7PiBqtPKN2uuIEB";
google_ad_channel = "7588513660";
//--></script>
<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>');
    return $form;
    break;

  case 'save':
    variable_set('iedestroyer_block_firefoxbutton', $edit['iedestroyer_block_firefoxbutton']);

  case 'view':
    if (strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'msie') !== FALSE) {
      $block['subject'] = t('Download Firefox');
      $block['content'] = variable_get('iedestroyer_block_firefoxbutton', _iedestroyer_default_firefoxbutton());
      return $block;
    }
    break;
  }
}

function iedestroyer_admin_settings() {
  $form = array();

  $form['iedestroyer_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('IE Destroyer settings')
  );
  $form['iedestroyer_settings']['iedestroyer_enabled'] = array(
    '#type' => 'checkbox',
    '#title' => t('Enable IE Destroyer banner'),
    '#default_value' => variable_get('iedestroyer_enabled', IEDESTROYER_ENABLED)
  );
  $form['iedestroyer_settings']['iedestroyer_die'] = array(
    '#type' => 'checkbox',
    '#title' => t('Stop output after Firefox banner'),
    '#description' => t('Shows only the banner - normal output will not be shown'),
    '#default_value' => variable_get('iedestroyer_die', 0)
  );

  $form['iedestroyer_adsense_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Firefox referral link'),
    '#collapsible' => true,
    '#collapsed' => true
  );
  $form['iedestroyer_adsense_settings']['iedestroyer_firefoxbutton'] = array(
    '#type' => 'textarea',
    '#title' => t('Your Firefox referral button'),
    '#cols' => 70, '#rows' => 9,
    '#required' => true,
    '#default_value' => variable_get('iedestroyer_firefoxbutton', _iedestroyer_default_firefoxbutton()),
    '#description' => t('Insert your Firefox referral code. You can earn referral income from Google through AdSense:<br />').
'<script type="text/javascript"><!--
google_ad_client = "pub-1105343943158891";
google_ad_output = "textlink";
google_ad_format = "ref_text";
google_cpa_choice = "CAAQidTQgAIaCDFyD7PiBqtPKN2uuIEB";
google_ad_channel = "7588513660";
//--></script>
<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>');

  $form['iedestroyer_page'] = array(
    '#type' => 'fieldset',
    '#title' => t('Specific page configuration'),
    '#collapsible' => true,
    '#collapsed' => true
  );
  $form['iedestroyer_page']['iedestroyer_visibility'] = array(
    '#type' => 'radios',
    '#title' => t('Show on specific pages'),
    '#default_value' => variable_get('iedestroyer_visibility', IEDESTROYER_VISIBILITY),
    '#options' => array(t('Show on every page except the listed pages.'),
      t('Show on only the listed pages.'),
      t('Show if the following PHP code returns TRUE (PHP-mode, experts only).'))
  );
  $form['iedestroyer_page']['iedestroyer_access_pages'] = array(
    '#type' => 'textarea',
    '#title' => t('Pages'),
    '#cols' => 70, '#rows' => 5,
    '#default_value' => variable_get('iedestroyer_access_pages', ''),
    '#description' => t('Enter one page per line as Drupal paths.  The "*" character is a wildcard. Example paths are <em>blog</em> for every personal blog. "<em>&lt;front&gt;</em>" is the front page.')
  );

  $form['iedestroyer_output'] = array(
    '#type' => 'textarea',
    '#title' => t('Output HTML'),
    '#cols' => 70, '#rows' => 20,
    '#default_value' => variable_get('iedestroyer_output', _iedestroyer_default()),
    '#description' => t('Only configure this script if you want to make changes to the displayed banner. Any occurence of [adsense_button] will be replaced with the referral button code from the Google AdSense settings section of this page.')
  );
  return system_settings_form($form);
}

function iedestroyer_banner() {
  if (strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'msie') === FALSE) {
    return;
  }
  if (_iedestroyer_should_display_page()) {
    $output = variable_get('iedestroyer_output', _iedestroyer_default());

    echo str_replace('[adsense_button]', variable_get('iedestroyer_firefoxbutton', _iedestroyer_default_firefoxbutton()), $output);
    if (variable_get('iedestroyer_die', 0)) {
      exit('</body></html>');
    }

  }
}

/**
 * This theme hook is here to provide some compatibility
 * with nonphptemplate themes.  Just in theory, though.
 */
function theme_iedestroyer() {
  iedestroyer_banner();
}

function _iedestroyer_should_display_page() {
  $page_match = FALSE;
  $visibility = (int)variable_get('iedestroyer_visibility', IEDESTROYER_VISIBILITY);
  $pages = variable_get('iedestroyer_access_pages', '');

  if (variable_get('iedestroyer_enabled', IEDESTROYER_ENABLED) == 0) {
    return $page_match;
  }

  if ($pages) {
    if ($visibility < 2) {
      $path = drupal_get_path_alias($_GET['q']);
      $regexp = '/^('. preg_replace(array('/(\r\n?|\n)/', '/\\\\\*/', '/(^|\|)\\\\<front\\\\>($|\|)/'), array('|', '.*', '\1'. preg_quote(variable_get('site_frontpage', 'node'), '/') .'\2'), preg_quote($pages, '/')) .')$/';
      $page_match = !($visibility xor preg_match($regexp, $path));
    }
    else {
      $page_match = drupal_eval($block->pages);
    }
  }
  else {
    if ($visibility === 0) {
      $page_match = TRUE;
    }
  }

  return $page_match;
}

function _iedestroyer_default() {

return <<<EOT
<div id="iedestroyer" style="display: block;">

<br /><br />

<div style="padding: 20px; background-color: #ffffbb; font-family: arial; font-size: 15px; font-weight: normal; color: #111111; line-height: 17px;">

<div style="width: 630px; margin: 0 auto 0 auto; text-align: left">

<div style="padding-left: 10px; padding-top: 0px; float: right;">

[adsense_button]

</div>

<strong>We see you're using Internet Explorer, which is not compatible with this site. We strongly suggest downloading Firefox. We think you'll like it better:</strong>
<ul>
  <li>Firefox protects you from viruses, spyware, and pop-ups.</li>
  <li>Enjoy improvements to performance, ease of use, and privacy.</li>
  <li>Features like tabbed browsing make reading webpages easier.</li>
  <li>Use Live Bookmarks that update themselves automatically with the latest content from the Web.</li>
  <li>Automatic updates and faster browsing.</li>
  <li>It's easy to import your favorites and settings.</li>
</ul>

Click the button on the right to download Firefox. <strong>It's free.</strong>
<br /><br />
<input type="button" onclick="hideIEdestroyer_banner()" value="Continue without Firefox &gt;&gt;" />

<br /><br />

</div></div></div>
EOT;
}

function _iedestroyer_default_firefoxbutton() {

return '<script type="text/javascript"><!--
google_ad_client = "pub-1105343943158891";
google_ad_width = 125;
google_ad_height = 125;
google_ad_format = "125x125_as_rimg";
google_cpa_choice = "CAAQ_f-XhAIaCDgvi727fxoIKK2293M";
google_ad_channel = "7588513660";
//--></script>
<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>';
}
1	<?php
2	/**
3	* @file
4	* Display a banner and/or block to convert Internet Explorer users to Firefox
5	*
6	* @author David Kent Norman
7	* @link http://drupal.org/node/66987
8	* @link http://deekayen.net/iedestroyer
9	*/
10
11	// DEFAULTS
12	define('IEDESTROYER_ENABLED', 0);
13	define('IEDESTROYER_VISIBILITY', 0);
14
15	/**
16	* Implementation of hook_help().
17	*
18	* @return string
19	*/
20	function iedestroyer_help($section) {
21	switch ($section) {
22	case 'admin/block/configure/iedestroyer/0':
23	return t('This block only displays when visitors are using Internet Explorer.');
24	break;
25	}
26	}
27
28	function iedestroyer_init() {
29	// common.inc doesn't load till a full bootstrap, whereas init is before that
30	require_once 'includes/common.inc';
31
32	$path = drupal_get_path('module', 'iedestroyer');
33
34	if (variable_get('iedestroyer_enabled', IEDESTROYER_ENABLED) && _iedestroyer_should_display_page()) {
35	if (file_exists("$path/iedestroyer.js")) {
36	drupal_add_js("$path/iedestroyer.js");
37	}
38	}
39	}
40
41	function iedestroyer_menu($maycache) {
42	$items = array();
43	$items[] = array(
44	'path' => 'admin/settings/iedestroyer',
45	'title' => t('IE Destroyer'),
46	'description' => t('Change what type of banner displays.'),
47	'callback' => 'drupal_get_form',
48	'callback arguments' => 'iedestroyer_admin_settings',
49	'access' => user_access('administer site configuration'),
50	'type' => MENU_NORMAL_ITEM
51	);
52	return $items;
53	}
54	/**
55	* Implementation of hook_block().
56	*/
57	function iedestroyer_block($op = 'list', $delta = 0, $edit = array()) {
58	$edit = $_POST['edit'];
59	switch($op) {
60	case 'list':
61	$blocks[0]['info'] = 'IE Destroyer';
62	return $blocks;
63	break;
64
65	case 'configure':
66	$form['iedestroyer_block_firefoxbutton'] = array(
67	'#type' => 'textarea',
68	'#title' => t('Block content'),
69	'#default_value' => variable_get('iedestroyer_block_firefoxbutton', _iedestroyer_default_firefoxbutton()),
70	'#cols' => 70, '#rows' => 9,
71	'#required' => true,
72	'#default_value' => variable_get('iedestroyer_firefoxbutton', _iedestroyer_default_firefoxbutton()),
73	'#description' => t('Insert your Firefox referral HTML. You can earn referral income from Google through AdSense:<br />').
74	'<script type="text/javascript"><!--
75	google_ad_client = "pub-1105343943158891";
76	google_ad_output = "textlink";
77	google_ad_format = "ref_text";
78	google_cpa_choice = "CAAQidTQgAIaCDFyD7PiBqtPKN2uuIEB";
79	google_ad_channel = "7588513660";
80	//--></script>
81	<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
82	</script>');
83	return $form;
84	break;
85
86	case 'save':
87	variable_set('iedestroyer_block_firefoxbutton', $edit['iedestroyer_block_firefoxbutton']);
88
89	case 'view':
90	if (strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'msie') !== FALSE) {
91	$block['subject'] = t('Download Firefox');
92	$block['content'] = variable_get('iedestroyer_block_firefoxbutton', _iedestroyer_default_firefoxbutton());
93	return $block;
94	}
95	break;
96	}
97	}
98
99	function iedestroyer_admin_settings() {
100	$form = array();
101
102	$form['iedestroyer_settings'] = array(
103	'#type' => 'fieldset',
104	'#title' => t('IE Destroyer settings')
105	);
106	$form['iedestroyer_settings']['iedestroyer_enabled'] = array(
107	'#type' => 'checkbox',
108	'#title' => t('Enable IE Destroyer banner'),
109	'#default_value' => variable_get('iedestroyer_enabled', IEDESTROYER_ENABLED)
110	);
111	$form['iedestroyer_settings']['iedestroyer_die'] = array(
112	'#type' => 'checkbox',
113	'#title' => t('Stop output after Firefox banner'),
114	'#description' => t('Shows only the banner - normal output will not be shown'),
115	'#default_value' => variable_get('iedestroyer_die', 0)
116	);
117
118	$form['iedestroyer_adsense_settings'] = array(
119	'#type' => 'fieldset',
120	'#title' => t('Firefox referral link'),
121	'#collapsible' => true,
122	'#collapsed' => true
123	);
124	$form['iedestroyer_adsense_settings']['iedestroyer_firefoxbutton'] = array(
125	'#type' => 'textarea',
126	'#title' => t('Your Firefox referral button'),
127	'#cols' => 70, '#rows' => 9,
128	'#required' => true,
129	'#default_value' => variable_get('iedestroyer_firefoxbutton', _iedestroyer_default_firefoxbutton()),
130	'#description' => t('Insert your Firefox referral code. You can earn referral income from Google through AdSense:<br />').
131	'<script type="text/javascript"><!--
132	google_ad_client = "pub-1105343943158891";
133	google_ad_output = "textlink";
134	google_ad_format = "ref_text";
135	google_cpa_choice = "CAAQidTQgAIaCDFyD7PiBqtPKN2uuIEB";
136	google_ad_channel = "7588513660";
137	//--></script>
138	<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
139	</script>');
140
141	$form['iedestroyer_page'] = array(
142	'#type' => 'fieldset',
143	'#title' => t('Specific page configuration'),
144	'#collapsible' => true,
145	'#collapsed' => true
146	);
147	$form['iedestroyer_page']['iedestroyer_visibility'] = array(
148	'#type' => 'radios',
149	'#title' => t('Show on specific pages'),
150	'#default_value' => variable_get('iedestroyer_visibility', IEDESTROYER_VISIBILITY),
151	'#options' => array(t('Show on every page except the listed pages.'),
152	t('Show on only the listed pages.'),
153	t('Show if the following PHP code returns TRUE (PHP-mode, experts only).'))
154	);
155	$form['iedestroyer_page']['iedestroyer_access_pages'] = array(
156	'#type' => 'textarea',
157	'#title' => t('Pages'),
158	'#cols' => 70, '#rows' => 5,
159	'#default_value' => variable_get('iedestroyer_access_pages', ''),
160	'#description' => t('Enter one page per line as Drupal paths. The "*" character is a wildcard. Example paths are <em>blog</em> for every personal blog. "<em><front></em>" is the front page.')
161	);
162
163	$form['iedestroyer_output'] = array(
164	'#type' => 'textarea',
165	'#title' => t('Output HTML'),
166	'#cols' => 70, '#rows' => 20,
167	'#default_value' => variable_get('iedestroyer_output', _iedestroyer_default()),
168	'#description' => t('Only configure this script if you want to make changes to the displayed banner. Any occurence of [adsense_button] will be replaced with the referral button code from the Google AdSense settings section of this page.')
169	);
170	return system_settings_form($form);
171	}
172
173	function iedestroyer_banner() {
174	if (strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'msie') === FALSE) {
175	return;
176	}
177	if (_iedestroyer_should_display_page()) {
178	$output = variable_get('iedestroyer_output', _iedestroyer_default());
179
180	echo str_replace('[adsense_button]', variable_get('iedestroyer_firefoxbutton', _iedestroyer_default_firefoxbutton()), $output);
181	if (variable_get('iedestroyer_die', 0)) {
182	exit('</body></html>');
183	}
184
185	}
186	}
187
188	/**
189	* This theme hook is here to provide some compatibility
190	* with nonphptemplate themes. Just in theory, though.
191	*/
192	function theme_iedestroyer() {
193	iedestroyer_banner();
194	}
195
196	function _iedestroyer_should_display_page() {
197	$page_match = FALSE;
198	$visibility = (int)variable_get('iedestroyer_visibility', IEDESTROYER_VISIBILITY);
199	$pages = variable_get('iedestroyer_access_pages', '');
200
201	if (variable_get('iedestroyer_enabled', IEDESTROYER_ENABLED) == 0) {
202	return $page_match;
203	}
204
205	if ($pages) {
206	if ($visibility < 2) {
207	$path = drupal_get_path_alias($_GET['q']);
208	$regexp = '/^('. preg_replace(array('/(\r\n?\|\n)/', '/\\\\\/', '/(^\|\\|)\\\\<front\\\\>($\|\\|)/'), array('\|', '.', '\1'. preg_quote(variable_get('site_frontpage', 'node'), '/') .'\2'), preg_quote($pages, '/')) .')$/';
209	$page_match = !($visibility xor preg_match($regexp, $path));
210	}
211	else {
212	$page_match = drupal_eval($block->pages);
213	}
214	}
215	else {
216	if ($visibility === 0) {
217	$page_match = TRUE;
218	}
219	}
220
221	return $page_match;
222	}
223
224	function _iedestroyer_default() {
225
226	return <<<EOT
227	<div id="iedestroyer" style="display: block;">
228
229	<br /><br />
230
231	<div style="padding: 20px; background-color: #ffffbb; font-family: arial; font-size: 15px; font-weight: normal; color: #111111; line-height: 17px;">
232
233	<div style="width: 630px; margin: 0 auto 0 auto; text-align: left">
234
235	<div style="padding-left: 10px; padding-top: 0px; float: right;">
236
237	[adsense_button]
238
239	</div>
240
241	<strong>We see you're using Internet Explorer, which is not compatible with this site. We strongly suggest downloading Firefox. We think you'll like it better:</strong>
242	<ul>
243	<li>Firefox protects you from viruses, spyware, and pop-ups.</li>
244	<li>Enjoy improvements to performance, ease of use, and privacy.</li>
245	<li>Features like tabbed browsing make reading webpages easier.</li>
246	<li>Use Live Bookmarks that update themselves automatically with the latest content from the Web.</li>
247	<li>Automatic updates and faster browsing.</li>
248	<li>It's easy to import your favorites and settings.</li>
249	</ul>
250
251	Click the button on the right to download Firefox. <strong>It's free.</strong>
252	<br /><br />
253	<input type="button" onclick="hideIEdestroyer_banner()" value="Continue without Firefox >>" />
254
255	<br /><br />
256
257	</div></div></div>
258	EOT;
259	}
260
261	function _iedestroyer_default_firefoxbutton() {
262
263	return '<script type="text/javascript"><!--
264	google_ad_client = "pub-1105343943158891";
265	google_ad_width = 125;
266	google_ad_height = 125;
267	google_ad_format = "125x125_as_rimg";
268	google_cpa_choice = "CAAQ_f-XhAIaCDgvi727fxoIKK2293M";
269	google_ad_channel = "7588513660";
270	//--></script>
271	<script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
272	</script>';
273	}