* files[] in .info is no longer required.
[project/google_analytics.git] / googleanalytics.admin.inc
CommitLineData
c3587898 1<?php
2// $Id$
3
4/**
5 * @file
6 * Administrative page callbacks for the googleanalytics module.
7 */
8
9/**
48a10a5f 10 * Implements hook_admin_settings() for module settings configuration.
c3587898 11 */
12function googleanalytics_admin_settings_form($form_state) {
13 $form['account'] = array(
14 '#type' => 'fieldset',
15 '#title' => t('General settings'),
16 );
17
18 $form['account']['googleanalytics_account'] = array(
19 '#title' => t('Web Property ID'),
20 '#type' => 'textfield',
21 '#default_value' => variable_get('googleanalytics_account', 'UA-'),
22 '#size' => 15,
23 '#maxlength' => 20,
24 '#required' => TRUE,
25 '#description' => t('This ID is unique to each site you want to track separately, and is in the form of UA-xxxxxxx-yy. To get a Web Property ID, <a href="@analytics">register your site with Google Analytics</a>, or if you already have registered your site, go to your Google Analytics Settings page to see the ID next to every site profile. <a href="@webpropertyid">Find more information in the documentation</a>.', array('@analytics' => 'http://www.google.com/analytics/', '@webpropertyid' => 'http://code.google.com/apis/analytics/docs/concepts/gaConceptsAccounts.html#webProperty')),
26 );
27
28 // Visibility settings.
29 $form['tracking_title'] = array(
30 '#type' => 'item',
31 '#title' => t('Tracking scope'),
32 );
33 $form['tracking'] = array(
34 '#type' => 'vertical_tabs',
35 '#attached' => array(
36 'js' => array(drupal_get_path('module', 'googleanalytics') . '/googleanalytics.admin.js'),
37 ),
38 );
39
40 // Standard tracking configurations.
41 $form['tracking']['user_vis_settings'] = array(
42 '#type' => 'fieldset',
43 '#title' => t('Users'),
44 );
45 $t_permission = array('%permission' => t('opt-in or out of tracking'));
46 $form['tracking']['user_vis_settings']['googleanalytics_custom'] = array(
47 '#type' => 'radios',
48 '#title' => t('Allow users to customize tracking on their account page'),
49 '#options' => array(
50 t('No customization allowed'),
51 t('Tracking on by default, users with %permission permission can opt out', $t_permission),
52 t('Tracking off by default, users with %permission permission can opt in', $t_permission)
53 ),
54 '#default_value' => variable_get('googleanalytics_custom', 0),
55 );
56
57 // Render the role overview.
58 $form['tracking']['role_vis_settings'] = array(
59 '#type' => 'fieldset',
60 '#title' => t('Roles'),
61 );
62
63 $role_options = array_map('check_plain', user_roles());
64 $form['tracking']['role_vis_settings']['googleanalytics_roles'] = array(
65 '#type' => 'checkboxes',
66 '#title' => t('Add tracking for specific roles'),
67 '#default_value' => variable_get('googleanalytics_roles', array()),
68 '#options' => $role_options,
69 '#description' => t('If none are selected, all users will be tracked. If a user has any of the roles checked, that user will be tracked.'),
70 );
71
72 // Page specific visibility configurations.
73 $php_access = user_access('use PHP for tracking visibility');
74 $visibility = variable_get('googleanalytics_visibility', 0);
75 $pages = variable_get('googleanalytics_pages', '');
76
77 $form['tracking']['page_vis_settings'] = array(
78 '#type' => 'fieldset',
79 '#title' => t('Pages'),
80 '#collapsible' => TRUE,
81 '#collapsed' => TRUE,
82 );
83
84 if ($visibility == 2 && !$php_access) {
85 $form['tracking']['page_vis_settings'] = array();
86 $form['tracking']['page_vis_settings']['visibility'] = array('#type' => 'value', '#value' => 2);
87 $form['tracking']['page_vis_settings']['pages'] = array('#type' => 'value', '#value' => $pages);
88 }
89 else {
90 $options = array(
91 t('Every page except the listed pages'),
92 t('The listed pages only')
93 );
94 $description = t("Specify pages by using their paths. Enter one path per line. The '*' character is a wildcard. Example paths are %blog for the blog page and %blog-wildcard for every personal blog. %front is the front page.", array('%blog' => 'blog', '%blog-wildcard' => 'blog/*', '%front' => '<front>'));
95
96 if (module_exists('php') && $php_access) {
97 $options[] = t('Pages on which this PHP code returns <code>TRUE</code> (experts only)');
98 $title = t('Pages or PHP code');
99 $description .= ' ' . t('If the PHP option is chosen, enter PHP code between %php. Note that executing incorrect PHP code can break your Drupal site.', array('%php' => '<?php ?>'));
100 }
101 else {
102 $title = t('Pages');
103 }
104 $form['tracking']['page_vis_settings']['googleanalytics_visibility'] = array(
105 '#type' => 'radios',
106 '#title' => t('Add tracking to specific pages'),
107 '#options' => $options,
108 '#default_value' => $visibility,
109 );
110 $form['tracking']['page_vis_settings']['googleanalytics_pages'] = array(
111 '#type' => 'textarea',
112 '#title' => '<span class="element-invisible">' . $title . '</span>',
113 '#default_value' => $pages,
114 '#description' => $description,
115 '#wysiwyg' => FALSE,
116 );
117 }
118
119 // Link specific configurations.
120 $form['tracking']['linktracking'] = array(
121 '#type' => 'fieldset',
122 '#title' => t('Links and downloads'),
123 );
124 $form['tracking']['linktracking']['googleanalytics_trackoutgoing'] = array(
125 '#type' => 'checkbox',
126 '#title' => t('Track clicks on outgoing links'),
127 '#default_value' => variable_get('googleanalytics_trackoutgoing', 1),
128 );
129 $form['tracking']['linktracking']['googleanalytics_trackmailto'] = array(
130 '#type' => 'checkbox',
131 '#title' => t('Track clicks on mailto links'),
132 '#default_value' => variable_get('googleanalytics_trackmailto', 1),
133 );
134 $form['tracking']['linktracking']['googleanalytics_trackfiles'] = array(
135 '#type' => 'checkbox',
136 '#title' => t('Track downloads (clicks on file links) for the following extensions'),
137 '#default_value' => variable_get('googleanalytics_trackfiles', 1),
138 );
139 $form['tracking']['linktracking']['googleanalytics_trackfiles_extensions'] = array(
140 '#type' => 'textfield',
141 '#default_value' => variable_get('googleanalytics_trackfiles_extensions', GA_TRACKFILES_EXTENSIONS),
142 '#description' => t('A file extension list separated by the | character that will be tracked when clicked. Regular expressions are supported. For example: !extensions', array('!extensions' => GA_TRACKFILES_EXTENSIONS)),
143 '#maxlength' => 255,
144 );
145
146 // Google already have many translations, if not - they display a note to change the language.
147 global $language;
148 $form['tracking']['search_and_adsense'] = array(
149 '#type' => 'fieldset',
150 '#title' => t('Search and AdSense'),
151 );
152
153 $site_search_dependencies = '<div class="admin-dependencies">';
154 $site_search_dependencies .= t('Depends on: !dependencies', array('!dependencies' => (module_exists('search') ? t('@module (<span class="admin-enabled">enabled</span>)', array('@module' => 'Search')) : t('@module (<span class="admin-disabled">disabled</span>)', array('@module' => 'Search')))));
155 $site_search_dependencies .= '</div>';
156
157 $form['tracking']['search_and_adsense']['googleanalytics_site_search'] = array(
158 '#type' => 'checkbox',
159 '#title' => t('Track internal search'),
48a10a5f 160 '#description' => t('If checked, internal search keywords are tracked. You must configure your Google account to use the internal query parameter <strong>search</strong>. For more information see <a href="@url">How do I set up Site Search for my profile</a>.', array('@url' => 'http://www.google.com/support/analytics/bin/answer.py?hl=' . $language->language . '&answer=75817')) . $site_search_dependencies,
c3587898 161 '#default_value' => variable_get('googleanalytics_site_search', FALSE),
162 '#disabled' => (module_exists('search') ? FALSE : TRUE),
163 );
164
165 $form['tracking']['search_and_adsense']['googleanalytics_trackadsense'] = array(
166 '#type' => 'checkbox',
167 '#title' => t('Track AdSense ads'),
168 '#default_value' => variable_get('googleanalytics_trackadsense', FALSE),
169 );
170
171 // Backward compatibility only.
172 // TODO: If currently not in use, hide the UI and later remove the code.
173 $segmentation = variable_get('googleanalytics_segmentation', array());
174
175 if (!empty($segmentation)) {
176 $profile_enabled = module_exists('profile');
177 $form['segmentation'] = array(
178 '#type' => 'fieldset',
179 '#title' => t('Additional user information'),
180 '#collapsible' => TRUE,
181 );
182
183 // Compile a list of fields to show.
184 $fields = variable_get('googleanalytics_segmentation_default_fields', array('roles' => t('User roles')));
185 if ($profile_enabled) {
186 $result = db_query('SELECT name, title FROM {profile_field} ORDER BY weight');
187 foreach ($result as $record) {
188 $fields[$record->name] = $record->title;
189 }
190 }
191
192 $form['segmentation']['googleanalytics_segmentation'] = array(
193 '#type' => 'select',
194 '#title' => t('Segment users based on these selected properties') . ' <span class="admin-disabled">***DEPRECATED***</span>',
48a10a5f 195 '#description' => t("You can supplement Google Analytics' basic IP address tracking of visitors by segmenting users based on these selected properties.") . (!$profile_enabled ? ' ' . t('<a href="@module_list">Enable the profile module</a> to be able to use profile fields for more granular tracking.', array('@module_list' => url('admin/build/modules'))) : '') . ' ' . t('Section 8.1 of the <a href="@ga_tos">Google Analytics terms of use</a> requires you to make sure you will not associate (or permit any third party to associate) any data gathered from your websites (or such third parties\' websites) with any personally identifying information from any source as part of your use (or such third parties\' use) of the Google Analytics\' service.', array('@ga_tos' => 'http://www.google.com/analytics/en-GB/tos.html')) . ' ' . t('You can select multiple values.'),
c3587898 196 '#default_value' => variable_get('googleanalytics_segmentation', array()),
197 '#options' => $fields,
198 '#size' => count($fields)>3 ? 10 : 3,
199 '#multiple' => TRUE
200 );
201 }
202
203 $token_enabled = module_exists('token');
204
205 $form['googleanalytics_custom_var'] = array(
206 '#collapsible' => TRUE,
207 '#description' => t('You can add Google Analytics <a href="!custom_var_documentation">Custom Variables</a> here. These will be added to every page that Google Analytics tracking code appears on. Google Analytics will only accept custom variables if the <em>name</em> and <em>value</em> combined are less than 64 bytes after URL encoding. Keep the names as short as possible and expect long values to get trimmed. You may use tokens in custom variable values. Global and user tokens are always available; on node pages, node tokens are also available.', array('!custom_var_documentation' => 'http://code.google.com/intl/en/apis/analytics/docs/tracking/gaTrackingCustomVariables.html')),
208 '#theme' => 'googleanalytics_admin_custom_var_table',
209 '#title' => t('Custom variables'),
210 '#tree' => TRUE,
211 '#type' => 'fieldset',
212 );
213
214 $googleanalytics_custom_vars = variable_get('googleanalytics_custom_var', array());
215
216 // Google Analytics supports up to 5 custom variables.
217 for ($i = 1; $i < 6; $i++) {
218 $form['googleanalytics_custom_var']['slots'][$i]['slot'] = array(
219 '#default_value' => $i,
220 '#description' => t('Slot number'),
221 '#disabled' => TRUE,
222 '#size' => 1,
223 '#type' => 'textfield',
224 );
225 $form['googleanalytics_custom_var']['slots'][$i]['name'] = array(
226 '#default_value' => !empty($googleanalytics_custom_vars['slots'][$i]['name']) ? $googleanalytics_custom_vars['slots'][$i]['name'] : '',
227 '#description' => t('The custom variable name.'),
228 '#size' => 20,
229 '#type' => 'textfield',
230 );
231 $form['googleanalytics_custom_var']['slots'][$i]['value'] = array(
232 '#default_value' => !empty($googleanalytics_custom_vars['slots'][$i]['value']) ? $googleanalytics_custom_vars['slots'][$i]['value'] : '',
233 '#description' => ($token_enabled ? t('The custom variable value. You may use tokens in this field.') : 'The custom variable value.'),
234 '#type' => 'textfield',
235 );
236 $form['googleanalytics_custom_var']['slots'][$i]['scope'] = array(
237 '#default_value' => !empty($googleanalytics_custom_vars['slots'][$i]['scope']) ? $googleanalytics_custom_vars['slots'][$i]['scope'] : 3,
238 '#description' => t('The scope for the custom variable.'),
239 '#type' => 'select',
240 '#options' => array(
241 1 => t('Visitor'),
242 2 => t('Session'),
243 3 => t('Page'),
244 ),
245 );
246 }
247
248 $form['googleanalytics_custom_var']['googleanalytics_custom_var_description'] = array(
249 '#type' => 'item',
48a10a5f 250 '#description' => t("You can supplement Google Analytics' basic IP address tracking of visitors by segmenting users based on these selected properties.") . (!$token_enabled ? ' ' . t('<a href="@module_list">Enable the token module</a> to be able to use tokens for more granular tracking.', array('@module_list' => url('admin/build/modules'))) : '') . ' ' . t('Section 8.1 of the <a href="@ga_tos">Google Analytics terms of use</a> requires you to make sure you will not associate (or permit any third party to associate) any data gathered from your websites (or such third parties\' websites) with any personally identifying information from any source as part of your use (or such third parties\' use) of the Google Analytics\' service.', array('@ga_tos' => 'http://www.google.com/analytics/en-GB/tos.html')),
c3587898 251 );
252 $form['googleanalytics_custom_var']['googleanalytics_custom_var_token_tree'] = array(
253 '#access' => $token_enabled ? TRUE : FALSE,
254 '#theme' => 'token_tree',
255 '#token_types' => array('node'),
256 );
257
258
259 // Advanced feature configurations.
260 $form['advanced'] = array(
261 '#type' => 'fieldset',
262 '#title' => t('Advanced settings'),
263 '#collapsible' => TRUE,
264 '#collapsed' => TRUE,
265 );
266
267 $form['advanced']['googleanalytics_tracker_anonymizeip'] = array(
268 '#type' => 'checkbox',
269 '#title' => t('Anonymize visitors IP address'),
270 '#description' => t('Tell Google Analytics to anonymize the information sent by the tracker objects by removing the last octet of the IP address prior to its storage. Note that this will slightly reduce the accuracy of geographic reporting. In some countries it is not allowed to collect personally identifying information for privacy reasons and this setting may help you to comply with the local laws.'),
271 '#default_value' => variable_get('googleanalytics_tracker_anonymizeip', 0),
272 );
273
274 $form['advanced']['googleanalytics_cache'] = array(
275 '#type' => 'checkbox',
276 '#title' => t('Locally cache tracking code file'),
277 '#description' => t("If checked, the tracking code file is retrieved from Google Analytics and cached locally. It is updated daily from Google's servers to ensure updates to tracking code are reflected in the local copy. Do not activate this until after Google Analytics has confirmed that site tracking is working!"),
278 '#default_value' => variable_get('googleanalytics_cache', 0),
279 );
280
281 // Allow for tracking of the originating node when viewing translation sets.
282 if (module_exists('translation')) {
283 $form['advanced']['googleanalytics_translation_set'] = array(
284 '#type' => 'checkbox',
285 '#title' => t('Track translation sets as one unit'),
286 '#description' => t('When a node is part of a translation set, record statistics for the originating node instead. This allows for a translation set to be treated as a single unit.'),
287 '#default_value' => variable_get('googleanalytics_translation_set', 0),
288 );
289 }
290
291 $form['advanced']['codesnippet'] = array(
292 '#type' => 'fieldset',
293 '#title' => t('Custom JavaScript code'),
294 '#collapsible' => TRUE,
295 '#collapsed' => TRUE,
296 '#description' => t('You can add custom Google Analytics <a href="@snippets">code snippets</a> here. These will be added every time tracking is in effect. Before you add your custom code, you should read the <a href="@ga_concepts_overview">Google Analytics Tracking Code - Functional Overview</a> and the <a href="@ga_js_api">Google Analytics Tracking API</a> documentation. <strong>Do not include the &lt;script&gt; tags</strong>, and always end your code with a semicolon (;).', array('@snippets' => 'http://drupal.org/node/248699', '@ga_concepts_overview' => 'http://code.google.com/apis/analytics/docs/gaConceptsOverview.html', '@ga_js_api' => 'http://code.google.com/apis/analytics/docs/gaJSApi.html'))
297 );
298 $form['advanced']['codesnippet']['googleanalytics_codesnippet_before'] = array(
299 '#type' => 'textarea',
300 '#title' => t('Code snippet (before)'),
301 '#default_value' => variable_get('googleanalytics_codesnippet_before', ''),
302 '#rows' => 5,
303 '#wysiwyg' => FALSE,
304 '#description' => t("Code in this textarea will be added <strong>before</strong> _gaq.push(['_trackPageview'])."),
305 );
306 $form['advanced']['codesnippet']['googleanalytics_codesnippet_after'] = array(
307 '#type' => 'textarea',
308 '#title' => t('Code snippet (after)'),
309 '#default_value' => variable_get('googleanalytics_codesnippet_after', ''),
310 '#rows' => 5,
311 '#wysiwyg' => FALSE,
312 '#description' => t("Code in this textarea will be added <strong>after</strong> _gaq.push(['_trackPageview']). This is useful if you'd like to track a site in two accounts."),
313 );
314
315 $form['advanced']['googleanalytics_js_scope'] = array(
316 '#type' => 'select',
317 '#title' => t('JavaScript scope'),
318 '#description' => t('Google recommends adding the external JavaScript files to the header for performance reasons.'),
319 '#options' => array(
320 'footer' => t('Footer'),
321 'header' => t('Header'),
322 ),
323 '#default_value' => variable_get('googleanalytics_js_scope', 'header'),
324 );
325
326 return system_settings_form($form);
327}
328
48a10a5f 329/**
330 * Implements _form_validate().
331 */
c3587898 332function googleanalytics_admin_settings_form_validate($form, &$form_state) {
333 // Custom variables validation.
334 foreach ($form_state['values']['googleanalytics_custom_var']['slots'] as $custom_var) {
335 // Validate empty names/values.
336 if (empty($custom_var['name']) && !empty($custom_var['value'])) {
337 form_set_error("googleanalytics_custom_var][slots][" . $custom_var['slot'] . "][name", t('Custom variable #@slot: <em>Name</em> is required, if <em>value</em> has been provided.', array('@slot' => $custom_var['slot'])));
338 }
339 elseif (!empty($custom_var['name']) && empty($custom_var['value'])) {
340 form_set_error("googleanalytics_custom_var][slots][" . $custom_var['slot'] . "][value", t('Custom variable #@slot: <em>Value</em> is required, if <em>name</em> has been provided.', array('@slot' => $custom_var['slot'])));
341 }
342
343 // Block tokens with personally identifying information.
344 if (_googleanalytics_contains_forbidden_token($custom_var['value'])) {
345 form_set_error("googleanalytics_custom_var][slots][" . $custom_var['slot'] . "][value", t('Custom variable #@slot: Forbidden token has been found in custom variable named %name. Never use tokens with personally identifying information!', array('%name' => $custom_var['name'], '@slot' => $custom_var['slot'])));
346 }
347 }
348
349 // Trim some text values.
350 $form_state['values']['googleanalytics_account'] = trim($form_state['values']['googleanalytics_account']);
351 $form_state['values']['googleanalytics_pages'] = trim($form_state['values']['googleanalytics_pages']);
352 $form_state['values']['googleanalytics_codesnippet_before'] = trim($form_state['values']['googleanalytics_codesnippet_before']);
353 $form_state['values']['googleanalytics_codesnippet_after'] = trim($form_state['values']['googleanalytics_codesnippet_after']);
354
355 if (!preg_match('/^UA-\d{4,}-\d+$/', $form_state['values']['googleanalytics_account'])) {
356 form_set_error('googleanalytics_account', t('A valid Google Analytics Web Property ID is case sensitive and formatted like UA-xxxxxxx-yy.'));
357 }
358
359 // Clear obsolete local cache if cache has been disabled.
360 if (empty($form_state['values']['googleanalytics_cache']) && $form['advanced']['googleanalytics_cache']['#default_value']) {
361 googleanalytics_clear_js_cache();
362 }
363
364 // This is for the Newbie's who cannot read a text area description.
365 if (stristr($form_state['values']['googleanalytics_codesnippet_before'], 'google-analytics.com/ga.js')) {
366 form_set_error('googleanalytics_codesnippet_before', t('Do not add the tracker code provided by Google into the javascript code snippets! This module already builds the tracker code based on your Google Analytics account number and settings.'));
367 }
368 if (stristr($form_state['values']['googleanalytics_codesnippet_after'], 'google-analytics.com/ga.js')) {
369 form_set_error('googleanalytics_codesnippet_after', t('Do not add the tracker code provided by Google into the javascript code snippets! This module already builds the tracker code based on your Google Analytics account number and settings.'));
370 }
371 if (preg_match('/(.*)<\/?script(.*)>(.*)/i', $form_state['values']['googleanalytics_codesnippet_before'])) {
372 form_set_error('googleanalytics_codesnippet_before', t('Do not include the &lt;script&gt; tags in the javascript code snippets.'));
373 }
374 if (preg_match('/(.*)<\/?script(.*)>(.*)/i', $form_state['values']['googleanalytics_codesnippet_after'])) {
375 form_set_error('googleanalytics_codesnippet_after', t('Do not include the &lt;script&gt; tags in the javascript code snippets.'));
376 }
377}
378
379/**
380 * Layout for the custom variables table in the admin settings form.
381 */
382function theme_googleanalytics_admin_custom_var_table($variables) {
383 $form = $variables['form'];
384
385 $header = array(
386 array('data' => t('Slot')),
387 array('data' => t('Name')),
388 array('data' => t('Value')),
389 array('data' => t('Scope')),
390 );
391
392 $rows = array();
393 foreach (element_children($form['slots']) as $key => $id) {
394 $rows[] = array(
395 'data' => array(
396 drupal_render($form['slots'][$id]['slot']),
397 drupal_render($form['slots'][$id]['name']),
398 drupal_render($form['slots'][$id]['value']),
399 drupal_render($form['slots'][$id]['scope']),
400 ),
401 );
402 }
403
404 $output = theme('table', array('header' => $header, 'rows' => $rows));
405 $output .= drupal_render($form['googleanalytics_custom_var_description']);
406
407 if (!empty($form['googleanalytics_custom_var_token_tree'])) {
408 $output .= drupal_render($form['googleanalytics_custom_var_token_tree']);
409 }
410
411 return $output;
412}
413
414/**
415 * Validate if a string contains forbidden tokens not allowed by privacy rules.
416 *
417 * @param $token_string
418 * A string with one or more tokens to be validated.
419 * @return boolean
420 * TRUE if blacklisted token has been found, otherwise FALSE.
421 */
422function _googleanalytics_contains_forbidden_token($token_string) {
423 // List of strings in tokens with personal identifying information not allowed
424 // for privacy reasons. See section 8.1 of the Google Analytics terms of use
425 // for more detailed information.
426 //
427 // This list can never ever be complete. For this reason it tries to use a
428 // regex and may kill a few other valid tokens, but it's the only way to
429 // protect users as much as possible from admins with illegal ideas.
430 //
431 // User tokens are not prefixed with colon to catch 'current-user' and 'user'.
432 //
433 // TODO: If someone have better ideas, share them, please!
434 $token_blacklist = array(
435 ':author]',
436 ':author:edit-url]',
437 ':author:url]',
438 ':author:path]',
439 ':mail]',
440 ':name]',
441 ':uid]',
442 'user:edit-url]',
443 'user:url]',
444 'user:path]',
445 );
446
447 return preg_match('/' . implode('|', array_map('preg_quote', $token_blacklist)) . '/i', $token_string);
448}