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<?php
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/**
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* Process Twitter-style @usernames and URLs before filtering XSS.
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*/
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class twitter_views_handler_field_xss extends views_handler_field {
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function option_definition() {
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$options = parent::option_definition();
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$options['link_urls'] = array('default' => TRUE);
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$options['link_usernames'] = array('default' => TRUE);
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$options['link_hashtags'] = array('default' => FALSE);
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$options['hashtags_url'] = array('default' => 'http://search.twitter.com/search?q=%23');
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return $options;
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}
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function options_form(&$form, &$form_state) {
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parent::options_form($form, $form_state);
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$form['link_urls'] = array(
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'#title' => t('Link urls to their destinations'),
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'#type' => 'checkbox',
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'#default_value' => !empty($this->options['link_urls']),
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);
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$form['link_usernames'] = array(
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'#title' => t('Link Twitter @usernames to their Twitter.com urls'),
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'#type' => 'checkbox',
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'#default_value' => !empty($this->options['link_usernames']),
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);
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$form['link_hashtags'] = array(
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'#title' => t('Link Twitter #hashtags to another url'),
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'#type' => 'checkbox',
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'#default_value' => !empty($this->options['link_hashtags']),
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);
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$form['hashtags_url'] = array(
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'#type' => 'textfield',
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'#default_value' => $this->options['hashtags_url'],
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'#process' => array('views_process_dependency'),
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'#dependency' => array('edit-options-link-hashtags' => array(TRUE)),
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);
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}
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function render($values) {
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$value = $values->{$this->field_alias};
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if (!empty($this->options['link_urls'])) {
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$value = _filter_url($value, FILTER_DEFAULT);
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}
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if (!empty($this->options['link_usernames'])) {
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$value = twitter_link_filter($value);
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}
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if (!empty($this->options['link_hashtags']) && valid_url($this->options['hashtags_url'])) {
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$value = twitter_link_filter($value, '#', url($this->options['hashtags_url']));
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}
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return filter_xss($value);
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}
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}
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/**
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* Field handler to provide simple renderer that turns a URL into a clickable link.
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*/
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class twitter_views_handler_field_profile_image extends views_handler_field {
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function render($values) {
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$value = $values->{$this->field_alias};
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return theme('image', $value, '', '', array(), FALSE);
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}
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}
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