372 lines
16 KiB
PHP
372 lines
16 KiB
PHP
<?php
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/**
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* WordPress Plugin Install Administration API
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*
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* @package WordPress
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* @subpackage Administration
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*/
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/**
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* Retrieve plugin installer pages from WordPress Plugins API.
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*
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* It is possible for a plugin to override the Plugin API result with three
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* filters. Assume this is for plugins, which can extend on the Plugin Info to
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* offer more choices. This is very powerful and must be used with care, when
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* overriding the filters.
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*
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* The first filter, 'plugins_api_args', is for the args and gives the action as
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* the second parameter. The hook for 'plugins_api_args' must ensure that an
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* object is returned.
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*
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* The second filter, 'plugins_api', is the result that would be returned.
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*
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* @since 2.7.0
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*
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* @param string $action
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* @param array|object $args Optional. Arguments to serialize for the Plugin Info API.
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* @return object plugins_api response object on success, WP_Error on failure.
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*/
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function plugins_api($action, $args = null) {
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if ( is_array($args) )
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$args = (object)$args;
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if ( !isset($args->per_page) )
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$args->per_page = 24;
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// Allows a plugin to override the WordPress.org API entirely.
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// Use the filter 'plugins_api_result' to merely add results.
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// Please ensure that a object is returned from the following filters.
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$args = apply_filters('plugins_api_args', $args, $action);
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$res = apply_filters('plugins_api', false, $action, $args);
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if ( false === $res ) {
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$request = wp_remote_post('http://api.wordpress.org/plugins/info/1.0/', array( 'timeout' => 15, 'body' => array('action' => $action, 'request' => serialize($args))) );
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if ( is_wp_error($request) ) {
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$res = new WP_Error('plugins_api_failed', __('An Unexpected HTTP Error occurred during the API request.'), $request->get_error_message() );
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} else {
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$res = unserialize( wp_remote_retrieve_body( $request ) );
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if ( false === $res )
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$res = new WP_Error('plugins_api_failed', __('An unknown error occurred.'), wp_remote_retrieve_body( $request ) );
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}
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} elseif ( !is_wp_error($res) ) {
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$res->external = true;
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}
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return apply_filters('plugins_api_result', $res, $action, $args);
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}
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/**
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* Retrieve popular WordPress plugin tags.
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*
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* @since 2.7.0
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*
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* @param array $args
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* @return array
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*/
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function install_popular_tags( $args = array() ) {
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$key = md5(serialize($args));
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if ( false !== ($tags = get_site_transient('poptags_' . $key) ) )
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return $tags;
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$tags = plugins_api('hot_tags', $args);
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if ( is_wp_error($tags) )
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return $tags;
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set_site_transient('poptags_' . $key, $tags, 10800); // 3 * 60 * 60 = 10800
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return $tags;
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}
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function install_dashboard() {
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?>
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<p><?php printf( __( 'Plugins extend and expand the functionality of WordPress. You may automatically install plugins from the <a href="http://wordpress.org/extend/plugins/">WordPress Plugin Directory</a> or upload a plugin in .zip format via <a href="%s">this page</a>.' ), self_admin_url( 'plugin-install.php?tab=upload' ) ); ?></p>
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<h4><?php _e('Search') ?></h4>
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<p class="install-help"><?php _e('Search for plugins by keyword, author, or tag.') ?></p>
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<?php install_search_form(); ?>
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<h4><?php _e('Popular tags') ?></h4>
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<p class="install-help"><?php _e('You may also browse based on the most popular tags in the Plugin Directory:') ?></p>
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<?php
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$api_tags = install_popular_tags();
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echo '<p class="popular-tags">';
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if ( is_wp_error($api_tags) ) {
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echo $api_tags->get_error_message();
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} else {
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//Set up the tags in a way which can be interpreted by wp_generate_tag_cloud()
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$tags = array();
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foreach ( (array)$api_tags as $tag )
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$tags[ $tag['name'] ] = (object) array(
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'link' => esc_url( self_admin_url('plugin-install.php?tab=search&type=tag&s=' . urlencode($tag['name'])) ),
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'name' => $tag['name'],
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'id' => sanitize_title_with_dashes($tag['name']),
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'count' => $tag['count'] );
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echo wp_generate_tag_cloud($tags, array( 'single_text' => __('%s plugin'), 'multiple_text' => __('%s plugins') ) );
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}
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echo '</p><br class="clear" />';
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}
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add_action('install_plugins_dashboard', 'install_dashboard');
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/**
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* Display search form for searching plugins.
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*
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* @since 2.7.0
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*/
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function install_search_form(){
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$type = isset($_REQUEST['type']) ? stripslashes( $_REQUEST['type'] ) : '';
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$term = isset($_REQUEST['s']) ? stripslashes( $_REQUEST['s'] ) : '';
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?><form id="search-plugins" method="get" action="">
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<input type="hidden" name="tab" value="search" />
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<select name="type" id="typeselector">
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<option value="term"<?php selected('term', $type) ?>><?php _e('Term'); ?></option>
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<option value="author"<?php selected('author', $type) ?>><?php _e('Author'); ?></option>
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<option value="tag"<?php selected('tag', $type) ?>><?php _ex('Tag', 'Plugin Installer'); ?></option>
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</select>
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<input type="text" name="s" value="<?php echo esc_attr($term) ?>" />
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<label class="screen-reader-text" for="plugin-search-input"><?php _e('Search Plugins'); ?></label>
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<?php submit_button( __( 'Search Plugins' ), 'button', 'plugin-search-input', false ); ?>
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</form><?php
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}
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/**
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* Upload from zip
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* @since 2.8.0
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*
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* @param string $page
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*/
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function install_plugins_upload( $page = 1 ) {
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?>
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<h4><?php _e('Install a plugin in .zip format') ?></h4>
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<p class="install-help"><?php _e('If you have a plugin in a .zip format, you may install it by uploading it here.') ?></p>
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<form method="post" enctype="multipart/form-data" action="<?php echo self_admin_url('update.php?action=upload-plugin') ?>">
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<?php wp_nonce_field( 'plugin-upload') ?>
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<label class="screen-reader-text" for="pluginzip"><?php _e('Plugin zip file'); ?></label>
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<input type="file" id="pluginzip" name="pluginzip" />
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<input type="submit" class="button" value="<?php esc_attr_e('Install Now') ?>" />
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</form>
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<?php
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}
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add_action('install_plugins_upload', 'install_plugins_upload', 10, 1);
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/**
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* Display plugin content based on plugin list.
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*
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* @since 2.7.0
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*/
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function display_plugins_table() {
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global $wp_list_table;
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$wp_list_table->display();
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}
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add_action('install_plugins_search', 'display_plugins_table');
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add_action('install_plugins_featured', 'display_plugins_table');
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add_action('install_plugins_popular', 'display_plugins_table');
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add_action('install_plugins_new', 'display_plugins_table');
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add_action('install_plugins_updated', 'display_plugins_table');
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/**
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* Determine the status we can perform on a plugin.
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*
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* @since 3.0.0
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*/
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function install_plugin_install_status($api, $loop = false) {
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// this function is called recursively, $loop prevents further loops.
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if ( is_array($api) )
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$api = (object) $api;
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//Default to a "new" plugin
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$status = 'install';
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$url = false;
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//Check to see if this plugin is known to be installed, and has an update awaiting it.
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$update_plugins = get_site_transient('update_plugins');
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if ( is_object( $update_plugins ) ) {
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foreach ( (array)$update_plugins->response as $file => $plugin ) {
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if ( $plugin->slug === $api->slug ) {
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$status = 'update_available';
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$update_file = $file;
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$version = $plugin->new_version;
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if ( current_user_can('update_plugins') )
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$url = wp_nonce_url(self_admin_url('update.php?action=upgrade-plugin&plugin=' . $update_file), 'upgrade-plugin_' . $update_file);
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break;
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}
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}
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}
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if ( 'install' == $status ) {
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if ( is_dir( WP_PLUGIN_DIR . '/' . $api->slug ) ) {
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$installed_plugin = get_plugins('/' . $api->slug);
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if ( empty($installed_plugin) ) {
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if ( current_user_can('install_plugins') )
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$url = wp_nonce_url(self_admin_url('update.php?action=install-plugin&plugin=' . $api->slug), 'install-plugin_' . $api->slug);
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} else {
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$key = array_shift( $key = array_keys($installed_plugin) ); //Use the first plugin regardless of the name, Could have issues for multiple-plugins in one directory if they share different version numbers
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if ( version_compare($api->version, $installed_plugin[ $key ]['Version'], '=') ){
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$status = 'latest_installed';
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} elseif ( version_compare($api->version, $installed_plugin[ $key ]['Version'], '<') ) {
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$status = 'newer_installed';
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$version = $installed_plugin[ $key ]['Version'];
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} else {
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//If the above update check failed, Then that probably means that the update checker has out-of-date information, force a refresh
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if ( ! $loop ) {
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delete_site_transient('update_plugins');
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wp_update_plugins();
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return install_plugin_install_status($api, true);
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}
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}
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}
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} else {
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// "install" & no directory with that slug
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if ( current_user_can('install_plugins') )
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$url = wp_nonce_url(self_admin_url('update.php?action=install-plugin&plugin=' . $api->slug), 'install-plugin_' . $api->slug);
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}
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}
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if ( isset($_GET['from']) )
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$url .= '&from=' . urlencode(stripslashes($_GET['from']));
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return compact('status', 'url', 'version');
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}
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/**
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* Display plugin information in dialog box form.
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*
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* @since 2.7.0
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*/
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function install_plugin_information() {
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global $tab;
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$api = plugins_api('plugin_information', array('slug' => stripslashes( $_REQUEST['plugin'] ) ));
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if ( is_wp_error($api) )
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wp_die($api);
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$plugins_allowedtags = array('a' => array('href' => array(), 'title' => array(), 'target' => array()),
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'abbr' => array('title' => array()), 'acronym' => array('title' => array()),
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'code' => array(), 'pre' => array(), 'em' => array(), 'strong' => array(),
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'div' => array(), 'p' => array(), 'ul' => array(), 'ol' => array(), 'li' => array(),
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'h1' => array(), 'h2' => array(), 'h3' => array(), 'h4' => array(), 'h5' => array(), 'h6' => array(),
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'img' => array('src' => array(), 'class' => array(), 'alt' => array()));
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//Sanitize HTML
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foreach ( (array)$api->sections as $section_name => $content )
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$api->sections[$section_name] = wp_kses($content, $plugins_allowedtags);
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foreach ( array( 'version', 'author', 'requires', 'tested', 'homepage', 'downloaded', 'slug' ) as $key ) {
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if ( isset( $api->$key ) )
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$api->$key = wp_kses( $api->$key, $plugins_allowedtags );
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}
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$section = isset($_REQUEST['section']) ? stripslashes( $_REQUEST['section'] ) : 'description'; //Default to the Description tab, Do not translate, API returns English.
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if ( empty($section) || ! isset($api->sections[ $section ]) )
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$section = array_shift( $section_titles = array_keys((array)$api->sections) );
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iframe_header( __('Plugin Install') );
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echo "<div id='$tab-header'>\n";
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echo "<ul id='sidemenu'>\n";
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foreach ( (array)$api->sections as $section_name => $content ) {
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$title = $section_name;
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$title = ucwords(str_replace('_', ' ', $title));
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$class = ( $section_name == $section ) ? ' class="current"' : '';
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$href = add_query_arg( array('tab' => $tab, 'section' => $section_name) );
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$href = esc_url($href);
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$san_title = esc_attr(sanitize_title_with_dashes($title));
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echo "\t<li><a name='$san_title' target='' href='$href'$class>$title</a></li>\n";
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}
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echo "</ul>\n";
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echo "</div>\n";
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?>
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<div class="alignright fyi">
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<?php if ( ! empty($api->download_link) && ( current_user_can('install_plugins') || current_user_can('update_plugins') ) ) : ?>
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<p class="action-button">
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<?php
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$status = install_plugin_install_status($api);
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switch ( $status['status'] ) {
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case 'install':
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if ( $status['url'] )
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echo '<a href="' . $status['url'] . '" target="_parent">' . __('Install Now') . '</a>';
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break;
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case 'update_available':
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if ( $status['url'] )
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echo '<a href="' . $status['url'] . '" target="_parent">' . __('Install Update Now') .'</a>';
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break;
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case 'newer_installed':
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echo '<a>' . sprintf(__('Newer Version (%s) Installed'), $status['version']) . '</a>';
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break;
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case 'latest_installed':
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echo '<a>' . __('Latest Version Installed') . '</a>';
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break;
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}
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?>
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</p>
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<?php endif; ?>
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<h2 class="mainheader"><?php /* translators: For Your Information */ _e('FYI') ?></h2>
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<ul>
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<?php if ( ! empty($api->version) ) : ?>
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<li><strong><?php _e('Version:') ?></strong> <?php echo $api->version ?></li>
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<?php endif; if ( ! empty($api->author) ) : ?>
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<li><strong><?php _e('Author:') ?></strong> <?php echo links_add_target($api->author, '_blank') ?></li>
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<?php endif; if ( ! empty($api->last_updated) ) : ?>
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<li><strong><?php _e('Last Updated:') ?></strong> <span title="<?php echo $api->last_updated ?>"><?php
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printf( __('%s ago'), human_time_diff(strtotime($api->last_updated)) ) ?></span></li>
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<?php endif; if ( ! empty($api->requires) ) : ?>
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<li><strong><?php _e('Requires WordPress Version:') ?></strong> <?php printf(__('%s or higher'), $api->requires) ?></li>
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<?php endif; if ( ! empty($api->tested) ) : ?>
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<li><strong><?php _e('Compatible up to:') ?></strong> <?php echo $api->tested ?></li>
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<?php endif; if ( ! empty($api->downloaded) ) : ?>
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<li><strong><?php _e('Downloaded:') ?></strong> <?php printf(_n('%s time', '%s times', $api->downloaded), number_format_i18n($api->downloaded)) ?></li>
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<?php endif; if ( ! empty($api->slug) && empty($api->external) ) : ?>
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<li><a target="_blank" href="http://wordpress.org/extend/plugins/<?php echo $api->slug ?>/"><?php _e('WordPress.org Plugin Page »') ?></a></li>
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<?php endif; if ( ! empty($api->homepage) ) : ?>
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<li><a target="_blank" href="<?php echo $api->homepage ?>"><?php _e('Plugin Homepage »') ?></a></li>
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<?php endif; ?>
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</ul>
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<?php if ( ! empty($api->rating) ) : ?>
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<h2><?php _e('Average Rating') ?></h2>
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<div class="star-holder" title="<?php printf(_n('(based on %s rating)', '(based on %s ratings)', $api->num_ratings), number_format_i18n($api->num_ratings)); ?>">
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<div class="star star-rating" style="width: <?php echo esc_attr($api->rating) ?>px"></div>
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<div class="star star5"><img src="<?php echo admin_url('images/star.png?v=20110615'); ?>" alt="<?php esc_attr_e('5 stars') ?>" /></div>
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<div class="star star4"><img src="<?php echo admin_url('images/star.png?v=20110615'); ?>" alt="<?php esc_attr_e('4 stars') ?>" /></div>
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<div class="star star3"><img src="<?php echo admin_url('images/star.png?v=20110615'); ?>" alt="<?php esc_attr_e('3 stars') ?>" /></div>
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<div class="star star2"><img src="<?php echo admin_url('images/star.png?v=20110615'); ?>" alt="<?php esc_attr_e('2 stars') ?>" /></div>
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<div class="star star1"><img src="<?php echo admin_url('images/star.png?v=20110615'); ?>" alt="<?php esc_attr_e('1 star') ?>" /></div>
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</div>
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<small><?php printf(_n('(based on %s rating)', '(based on %s ratings)', $api->num_ratings), number_format_i18n($api->num_ratings)); ?></small>
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<?php endif; ?>
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</div>
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<div id="section-holder" class="wrap">
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<?php
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if ( !empty($api->tested) && version_compare( substr($GLOBALS['wp_version'], 0, strlen($api->tested)), $api->tested, '>') )
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echo '<div class="updated"><p>' . __('<strong>Warning:</strong> This plugin has <strong>not been tested</strong> with your current version of WordPress.') . '</p></div>';
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else if ( !empty($api->requires) && version_compare( substr($GLOBALS['wp_version'], 0, strlen($api->requires)), $api->requires, '<') )
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echo '<div class="updated"><p>' . __('<strong>Warning:</strong> This plugin has <strong>not been marked as compatible</strong> with your version of WordPress.') . '</p></div>';
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foreach ( (array)$api->sections as $section_name => $content ) {
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$title = $section_name;
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$title[0] = strtoupper($title[0]);
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$title = str_replace('_', ' ', $title);
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$content = links_add_base_url($content, 'http://wordpress.org/extend/plugins/' . $api->slug . '/');
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$content = links_add_target($content, '_blank');
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$san_title = esc_attr(sanitize_title_with_dashes($title));
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$display = ( $section_name == $section ) ? 'block' : 'none';
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echo "\t<div id='section-{$san_title}' class='section' style='display: {$display};'>\n";
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echo "\t\t<h2 class='long-header'>$title</h2>";
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echo $content;
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echo "\t</div>\n";
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}
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echo "</div>\n";
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iframe_footer();
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exit;
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}
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add_action('install_plugins_pre_plugin-information', 'install_plugin_information');
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