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<?php
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/**
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* @file
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* Plugin to provide access control based upon node type.
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*/
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/**
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* Plugins are described by creating a $plugin array which will be used
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* by the system that includes this file.
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*/
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if (module_exists('locale')) {
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$plugin = array(
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'title' => t("Node: language"),
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'description' => t('Control access by node language.'),
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'callback' => 'ctools_node_language_ctools_access_check',
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'default' => array('language' => array()),
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'settings form' => 'ctools_node_language_ctools_access_settings',
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'settings form submit' => 'ctools_node_language_ctools_access_settings_submit',
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'summary' => 'ctools_node_language_ctools_access_summary',
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'required context' => new ctools_context_required(t('Node'), 'node'),
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);
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}
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/**
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* Settings form for the 'by node_language' access plugin.
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*/
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function ctools_node_language_ctools_access_settings($form, &$form_state, $conf) {
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$options = array(
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'current' => t('Current site language'),
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'default' => t('Default site language'),
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'no_language' => t('No language'),
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);
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$options = array_merge($options, locale_language_list());
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$form['settings']['language'] = array(
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'#title' => t('Language'),
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'#type' => 'checkboxes',
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'#options' => $options,
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'#description' => t('Pass only if the node is in one of the selected languages.'),
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'#default_value' => $conf['language'],
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);
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return $form;
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}
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/**
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* Check for access.
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*/
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function ctools_node_language_ctools_access_check($conf, $context) {
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// As far as I know there should always be a context at this point, but this
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// is safe.
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if (empty($context) || empty($context->data) || !isset($context->data->language)) {
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return FALSE;
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}
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global $language;
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// Specialcase: if 'no language' is checked, return TRUE if the language field is
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// empty.
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if (!empty($conf['language']['no_language'])) {
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if (empty($context->data->language)) {
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return TRUE;
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}
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}
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// Specialcase: if 'current' is checked, return TRUE if the current site language
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// matches the node language.
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if (!empty($conf['language']['current'])) {
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if ($context->data->language == $language->language) {
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return TRUE;
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}
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}
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// Specialcase: If 'default' is checked, return TRUE if the default site language
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// matches the node language.
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if (!empty($conf['language']['default'])) {
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if ($context->data->language == language_default('language')) {
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return TRUE;
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}
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}
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if (array_filter($conf['language']) && empty($conf['language'][$context->data->language])) {
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return FALSE;
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}
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return TRUE;
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}
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/**
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* Provide a summary description based upon the checked node_languages.
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*/
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function ctools_node_language_ctools_access_summary($conf, $context) {
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$languages = array(
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'current' => t('Current site language'),
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'default' => t('Default site language'),
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'no_language' => t('No language'),
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);
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$languages = array_merge($languages, locale_language_list());
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if (!isset($conf['language'])) {
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$conf['language'] = array();
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}
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$names = array();
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foreach (array_filter($conf['language']) as $language) {
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$names[] = $languages[$language];
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}
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if (empty($names)) {
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return t('@identifier is in any language', array('@identifier' => $context->identifier));
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}
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return format_plural(count($names), '@identifier language is "@languages"', '@identifier language is one of "@languages"', array('@languages' => implode(', ', $names), '@identifier' => $context->identifier));
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}
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