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<?php
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// $Id: accessibility_init.php, v2.1 2007/06/21 15:15:00 jaburns Exp $
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/**
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* @file: accessibility_init.php
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* @author: Jamie Burns
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* Make your Drupal site accessibile from any device
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* For drupal version >= 4.7 AND 5.1x
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* So long and confusing, it deserved its own file
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*/
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function accessibility_init() {
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global $mime, $accessibility, $user, $conf, $fix;
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$leave = array ('cron.php', 'update.php', 'install.php', 'upgrade.php', 'update.php');
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$accessibility['is_mobi'] = (defined('IS_MOBI')) ? IS_MOBI : is_mobi();
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$accessibility['content_type'] = (defined('CONTENT_TYPE')) ? CONTENT_TYPE : content_type();
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$accessibility['head'] = 'Content-Type: '. $mime['content'][0] .'; charset=utf-8';
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$accessibility['meta'] = "\n".'<meta http-equiv="Content-Type" content="'. $mime['content'][0] .'; charset=utf-8" />'."\n";
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$accessibility['paged'] = FALSE;
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$content_type = $accessibility['content_type'];
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$fix = FALSE;
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if ( defined('IS_MOBI') AND IS_MOBI == TRUE ) { // Site wide override settings
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//~ Variables, perhaps override above
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$accessibility['condition'] = 'mobile site override';
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$accessibility['paged'] = TRUE;
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$fix = TRUE;
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$conf['theme_custom'] = ( $content_type != $mime['wml'] ) ? $mime['theme'][$mime['mhtml']] : $mime['theme'][$content_type];
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$conf['theme_default'] = ( $content_type != $mime['wml'] ) ? $mime['theme'][$mime['mhtml']] : $mime['theme'][$content_type];
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$conf['default_nodes_main'] = $mime['nodes'];
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$conf['site_footer'] = $conf['site_name'] .' '. date('Y');
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//~ Set HTTP headers and html_headers if required
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drupal_set_header('Vary: Accept');
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drupal_set_header('Content-Type: '. $mime['content'][$content_type] .'; charset=utf-8');
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drupal_set_header("Expires: " . date("D, d M Y H:i:s", time() + 60 * 60 * 24 * 30) . " GMT");
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drupal_set_header("Cache-Control: Public");
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drupal_set_html_head("\n".'<meta http-equiv="Content-Type" content="'. $mime['content'][$content_type] .'; charset=utf-8" />'."\n");
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//~ Fix Code for mobiles
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if ( !in_array($content_type, $mime['xml']) ) {
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ob_start('htmlfix');
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} elseif ( in_array($content_type, $mime['xml']) AND $content_type != $mime['wml'] ) {
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ob_start('mobifix');
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} elseif ( $content_type == $mime['wml'] ) {
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drupal_set_header('Content-Type: '. $mime['content'][$content_type] .', true');
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ob_start('wmlfix');
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} //~ end xxxfix
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mobi_user();
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} else { // No override, just detect if required
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if ( variable_get('accessibility_enabled', 0) == 1 ) { //~ module is enabled
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$fix = variable_get('accessibility_fixhtml', 0);
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drupal_set_header('Vary: Accept');
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if ( accessibility_check() == TRUE OR in_array(basename($_SERVER['PHP_SELF']),$leave) ){ //~ protected page
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$accessibility['condition'] = 'protected page';
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if ( $user->uid == 1 OR $accessibility['is_mobi'] == FALSE ) { //~ admin or web browser
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$content_type = 0;
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$accessibility['content_type'] = $content_type;
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$conf['theme_custom'] = $mime['theme'][$content_type];
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drupal_set_header($accessibility['head']);
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drupal_set_html_head($accessibility['meta']);
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} else { //~ block content from mobiles
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$accessibility['condition'] = 'protected from mobiles';
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if ( $content_type != $mime['wml'] ) {
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$conf['theme_custom'] = $mime['theme'][$mime['mhtml']];
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$conf['theme_default'] = $mime['theme'][$mime['mhtml']];
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} else {
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$conf['theme_custom'] = $mime['theme'][$content_type];
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$conf['theme_default'] = $mime['theme'][$content_type];
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}
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$conf['site_footer'] = $conf['site_name'] .' '. date('Y');
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drupal_set_header('HTTP/1.0 403 Forbidden');
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drupal_set_header('Content-Type: '. $mime['content'][$content_type] .'; charset=utf-8');
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drupal_set_html_head("\n".'<meta http-equiv="Content-Type" content="'. $mime['content'][$content_type] .'; charset=utf-8" />'."\n");
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mobi_user();
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if ( $content_type == $mime['wml'] ) {
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drupal_set_header('Content-Type: '. $mime['content'][$content_type] .', true');
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ob_start('wmlfix');
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}
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$title = '<h1>'. t('Forbidden') .'</h1>';
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$return = '<p class="error">'.
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t('This service is currently unavailable to your device.<br />
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Please use a real web browser.') .'</p>';
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print theme('page', $title ."\n". $return);
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exit();
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}
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} elseif ( variable_get('accessibility_override', 0) != 0 AND $user->uid == 1) { //~ change type of pages
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$accessibility['condition'] = 'change type of pages for admin';
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$content_type = variable_get('accessibility_override', 0);
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$accessibility['content_type'] = $content_type;
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drupal_set_header('Content-Type: '. $mime['content'][$content_type] .'; charset=utf-8');
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drupal_set_html_head("\n".'<meta http-equiv="Content-Type" content="'. $mime['content'][$content_type] .'; charset=utf-8" />'."\n");
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if ( in_array($content_type, $mime['mobis']) ) { //~ pretending to be a mobile
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$accessibility['paged'] = variable_get('accessibility_paged', 0);
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$accessibility['is_mobi'] = TRUE;
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if ( $content_type != $mime['wml'] ) {
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$conf['theme_custom'] = $mime['theme'][$mime['mhtml']];
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$conf['theme_default'] = $mime['theme'][$mime['mhtml']];
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} else {
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$conf['theme_custom'] = $mime['theme'][$content_type];
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$conf['theme_default'] = $mime['theme'][$content_type];
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}
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$conf['default_nodes_main'] = $mime['nodes'];
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$conf['site_footer'] = $conf['site_name'] .' '. date('Y');
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#die($conf['default_nodes_main'] .' '. $conf['theme_default']);
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if ($content_type == $mime['chtml']) {
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ob_start('htmlfix');
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} elseif ( in_array($content_type, $mime['xml']) AND $content_type != $mime['wml'] ) {
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ob_start('mobifix');
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} elseif ( $content_type == $mime['wml'] ) {
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drupal_set_header('Content-Type: '. $mime['content'][$content_type] .', true');
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ob_start('wmlfix');
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} //~ end xxxfix
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}
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} elseif ( variable_get('accessibility_change_type', 0) != 0 ) { //~ stop pages breaking
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$accessibility['condition'] = 'stop pages breaking';
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$content_type = 0;
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$accessibility['content_type'] = $content_type;
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drupal_set_header($accessibility['head']);
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drupal_set_html_head($accessibility['meta']);
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if ( $accessibility['is_mobi'] == TRUE OR is_mobi_role () == TRUE ) {
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$accessibility['paged'] = variable_get('accessibility_paged', 0);
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if ( $content_type != $mime['wml'] ) {
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$conf['theme_custom'] = $mime['theme'][$mime['mhtml']];
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$conf['theme_default'] = $mime['theme'][$mime['mhtml']];
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} else {
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$conf['theme_custom'] = $mime['theme'][$content_type];
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$conf['theme_default'] = $mime['theme'][$content_type];
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}
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$conf['default_nodes_main'] = $mime['nodes'];
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$conf['site_footer'] = $conf['site_name'] .' '. date('Y');
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if ($content_type == $mime['chtml']) {
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ob_start('htmlfix');
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} elseif ( in_array($content_type, $mime['xml']) AND $content_type != $mime['wml'] ) {
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ob_start('mobifix');
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} elseif ( $content_type == $mime['wml'] ) {
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drupal_set_header('Content-Type: '. $mime['content'][$content_type] .', true');
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ob_start('wmlfix');
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} //~ end xxxfix
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mobi_user();
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}
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} else { //~ detect
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$accessibility['condition'] = 'detect';
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$content_type = $accessibility['content_type'];
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drupal_set_header('Content-Type: '. $mime['content'][$content_type] .'; charset=utf-8');
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drupal_set_html_head("\n".'<meta http-equiv="Content-Type" content="'. $mime['content'][$content_type] .'; charset=utf-8" />'."\n");
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if ( $accessibility['is_mobi'] == TRUE OR is_mobi_role () == TRUE ) { //~ pretending to be a mobile
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$accessibility['paged'] = variable_get('accessibility_paged', 0);
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drupal_set_header("Expires: " . date("D, d M Y H:i:s", time() + 60 * 60 * 24 * 30) . " GMT");
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drupal_set_header("Cache-Control: Public");
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if ( $content_type != $mime['wml'] ) {
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$conf['theme_custom'] = $mime['theme'][$mime['mhtml']];
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$conf['theme_default'] = $mime['theme'][$mime['mhtml']];
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} else {
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$conf['theme_custom'] = $mime['theme'][$content_type];
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$conf['theme_default'] = $mime['theme'][$content_type];
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}
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$conf['default_nodes_main'] = $mime['nodes'];
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$conf['site_footer'] = $conf['site_name'] .' '. date('Y');
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if ($content_type == $mime['chtml']) {
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ob_start('htmlfix');
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} elseif ( in_array($content_type, $mime['xml']) AND $content_type != $mime['wml'] ) {
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ob_start('mobifix');
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} elseif ( is_mobi_role () == TRUE ) {
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ob_start('mobifix');
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} elseif ( $content_type == $mime['wml'] ) {
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drupal_set_header('Content-Type: '. $mime['content'][$content_type] .', true');
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ob_start('wmlfix');
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} //~ end xxxfix
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mobi_user();
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}
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}
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//~ set default theme
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if ( variable_get('accessibility_theme', 0) != 0 ) { //~ user default "web" theme
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if ( $accessibility['is_mobi'] == FALSE ) {
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$conf['theme_default'] = $mime['theme'][0];
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}
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}
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} else { // disabled
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$content_type = 0;
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$accessibility['content_type'] = $content_type;
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$accessibility['condition'] = 'module is not active, send as text/html';
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drupal_set_header($accessibility['head']);
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drupal_set_html_head($accessibility['meta']);
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} // end enabled? condition
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} // end override condition
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} // end function
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