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studio-2013/wp-content/plugins/wordpress-seo/inc/wpseo-non-ajax-functions.php
T
2013-06-27 19:24:04 +02:00

542 lines
18 KiB
PHP

<?php
/**
* @package Internals
*/
include 'class-sitemap-walker.php';
if ( !defined( 'WPSEO_VERSION' ) ) {
header( 'HTTP/1.0 403 Forbidden' );
die;
}
/**
* Flush the rewrite rules.
*/
function wpseo_flush_rules() {
global $wp_rewrite;
$wp_rewrite->flush_rules();
}
/**
* Runs on activation of the plugin.
*/
function wpseo_activate() {
wpseo_defaults();
wpseo_flush_rules();
wpseo_title_test();
// Clear cache so the changes are obvious.
if ( function_exists( 'w3tc_pgcache_flush' ) ) {
w3tc_pgcache_flush();
} else if ( function_exists( 'wp_cache_clear_cache' ) ) {
wp_cache_clear_cache();
}
}
/**
* Set the default settings.
*
* This uses the currently available custom post types and taxonomies.
*/
function wpseo_defaults() {
$options = get_option( 'wpseo' );
if ( !is_array( $options ) ) {
$opt = array(
'disableadvanced_meta' => 'on',
'version' => WPSEO_VERSION,
);
update_option( 'wpseo', $opt );
}
if ( !is_array( get_option( 'wpseo_titles' ) ) ) {
$opt = array(
'title-home' => '%%sitename%% %%page%% %%sep%% %%sitedesc%%',
'title-author' => sprintf( __( '%s, Author at %s', 'wordpress-seo' ), '%%name%%', '%%sitename%%' ) . ' %%page%% ',
'title-archive' => '%%date%% %%page%% %%sep%% %%sitename%%',
'title-search' => sprintf( __( 'You searched for %s', 'wordpress-seo' ), '%%searchphrase%%' ) . ' %%page%% %%sep%% %%sitename%%',
'title-404' => __( 'Page Not Found', 'wordpress-seo' ) . ' %%sep%% %%sitename%%',
'noindex-archive' => 'on',
'noindex-post_format' => 'on',
);
foreach ( get_post_types( array( 'public' => true ), 'objects' ) as $pt ) {
$opt['title-' . $pt->name] = '%%title%% %%page%% %%sep%% %%sitename%%';
if ( $pt->has_archive )
$opt['title-ptarchive-' . $pt->name] = sprintf( __( '%s Archive', 'wordpress-seo' ), '%%pt_plural%%' ) . ' %%page%% %%sep%% %%sitename%%';
}
foreach ( get_taxonomies( array( 'public' => true ) ) as $tax ) {
$opt['title-' . $tax] = sprintf( __( '%s Archives', 'wordpress-seo' ), '%%term_title%%' ) . ' %%page%% %%sep%% %%sitename%%';
}
update_option( 'wpseo_titles', $opt );
}
if ( !is_array( get_option( 'wpseo_xml' ) ) ) {
$opt = array(
'enablexmlsitemap' => 'on',
'post_types-attachment-not_in_sitemap' => true
);
update_option( 'wpseo_xml', $opt );
}
if ( !is_array( get_option( 'wpseo_social' ) ) ) {
$opt = array(
'opengraph' => 'on',
);
update_option( 'wpseo_social', $opt );
}
if ( !is_array( get_option( 'wpseo_rss' ) ) ) {
$opt = array(
'rssafter' => sprintf( __( 'The post %s appeared first on %s.', 'wordpress-seo' ), '%%POSTLINK%%', '%%BLOGLINK%%' ),
);
update_option( 'wpseo_rss', $opt );
}
// Force WooThemes to use WordPress SEO data.
if ( function_exists( 'woo_version_init' ) ) {
update_option( 'seo_woo_use_third_party_data', 'true' );
}
wpseo_title_test();
}
/**
* Test whether force rewrite should be enabled or not.
*/
function wpseo_title_test() {
$options = get_option( 'wpseo_titles' );
if ( isset( $options['forcerewritetitle'] ) )
unset( $options['forcerewritetitle'] );
$options['title_test'] = true;
update_option( 'wpseo_titles', $options );
// Setting title_test to true forces the plugin to output the title below through a filter in class-frontend.php
$expected_title = 'This is a Yoast Test Title';
if ( function_exists( 'w3tc_pgcache_flush' ) ) {
w3tc_pgcache_flush();
} else if ( function_exists( 'wp_cache_clear_cache' ) ) {
wp_cache_clear_cache();
}
global $wp_version;
$args = array(
'user-agent' => "WordPress/${wp_version}; " . get_site_url() . " - Yoast",
);
$resp = wp_remote_get( get_bloginfo( 'url' ), $args );
// echo '<pre>'.$resp['body'].'</pre>';
if ( $resp && !is_wp_error( $resp ) && 200 == $resp['response']['code'] ) {
$res = preg_match( '/<title>([^<]+)<\/title>/im', $resp['body'], $matches );
if ( $res && strcmp( $matches[1], $expected_title ) !== 0 ) {
$options['forcerewritetitle'] = 'on';
update_option( 'wpseo_titles', $options );
$resp = wp_remote_get( get_bloginfo( 'url' ), $args );
$res = preg_match( '/<title>([^>]+)<\/title>/im', $resp['body'], $matches );
}
if ( !$res || $matches[1] != $expected_title )
unset( $options['forcerewritetitle'] );
} else {
// If that dies, let's make sure the titles are correct and force the output.
$options['forcerewritetitle'] = 'on';
}
unset( $options['title_test'] );
update_option( 'wpseo_titles', $options );
}
add_filter( 'switch_theme', 'wpseo_title_test', 0 );
/**
* On deactivation, flush the rewrite rules so XML sitemaps stop working.
*/
function wpseo_deactivate() {
wpseo_flush_rules();
// Clear cache so the changes are obvious.
if ( function_exists( 'w3tc_pgcache_flush' ) ) {
w3tc_pgcache_flush();
} else if ( function_exists( 'wp_cache_clear_cache' ) ) {
wp_cache_clear_cache();
}
}
/**
* Translates a decimal analysis score into a textual one.
*
* @param int $val The decimal score to translate.
* @return string
*/
function wpseo_translate_score( $val, $css = true ) {
switch ( $val ) {
case 0:
$score = __( 'N/A', 'wordpress-seo' );
$css = 'na';
break;
case 4:
case 5:
$score = __( 'Poor', 'wordpress-seo' );
$css = 'poor';
break;
case 6:
case 7:
$score = __( 'OK', 'wordpress-seo' );
$css = 'ok';
break;
case 8:
case 9:
case 10:
$score = __( 'Good', 'wordpress-seo' );
$css = 'good';
break;
default:
$score = __( 'Bad', 'wordpress-seo' );
$css = 'bad';
break;
}
if ( $css )
return $css;
else
return $score;
}
/**
* Adds an SEO admin bar menu with several options. If the current user is an admin he can also go straight to several settings menu's from here.
*/
function wpseo_admin_bar_menu() {
// If the current user can't write posts, this is all of no use, so let's not output an admin menu
if ( !current_user_can( 'edit_posts' ) )
return;
global $wp_admin_bar, $wpseo_front, $post;
if ( is_object( $wpseo_front ) ) {
$url = $wpseo_front->canonical( false );
} else {
$url = '';
}
$focuskw = '';
$score = '';
$seo_url = get_admin_url( null, 'admin.php?page=wpseo_dashboard' );
if ( is_singular() && isset( $post ) && is_object( $post ) && apply_filters( 'wpseo_use_page_analysis', true ) === true ) {
$focuskw = wpseo_get_value( 'focuskw', $post->ID );
$perc_score = wpseo_get_value( 'linkdex', $post->ID );
$txtscore = wpseo_translate_score( round( $perc_score / 10 ) );
$title = wpseo_translate_score( round( $perc_score / 10 ), $css = false );
$score = '<div title="' . esc_attr( $title ) . '" class="wpseo_score_img ' . $txtscore . ' ' . $perc_score . '"></div>';
$seo_url = get_edit_post_link( $post->ID );
if ( $txtscore != 'na' )
$seo_url .= '#wpseo_linkdex';
}
$wp_admin_bar->add_menu( array( 'id' => 'wpseo-menu', 'title' => __( 'SEO', 'wordpress-seo' ) . $score, 'href' => $seo_url, ) );
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-menu', 'id' => 'wpseo-kwresearch', 'title' => __( 'Keyword Research', 'wordpress-seo' ), '#', ) );
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-kwresearch', 'id' => 'wpseo-adwordsexternal', 'title' => __( 'AdWords External', 'wordpress-seo' ), 'href' => 'https://adwords.google.com/select/KeywordToolExternal', 'meta' => array( 'target' => '_blank' ) ) );
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-kwresearch', 'id' => 'wpseo-googleinsights', 'title' => __( 'Google Insights', 'wordpress-seo' ), 'href' => 'http://www.google.com/insights/search/#q=' . urlencode( $focuskw ) . '&cmpt=q', 'meta' => array( 'target' => '_blank' ) ) );
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-kwresearch', 'id' => 'wpseo-wordtracker', 'title' => __( 'SEO Book', 'wordpress-seo' ), 'href' => 'http://tools.seobook.com/keyword-tools/seobook/?keyword=' . urlencode( $focuskw ), 'meta' => array( 'target' => '_blank' ) ) );
if ( !is_admin() ) {
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-menu', 'id' => 'wpseo-analysis', 'title' => __( 'Analyze this page', 'wordpress-seo' ), '#', ) );
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-analysis', 'id' => 'wpseo-inlinks-ose', 'title' => __( 'Check Inlinks (OSE)', 'wordpress-seo' ), 'href' => 'http://www.opensiteexplorer.org/' . str_replace( '/', '%252F', preg_replace( '/^https?:\/\//', '', $url ) ) . '/a!links', 'meta' => array( 'target' => '_blank' ) ) );
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-analysis', 'id' => 'wpseo-kwdensity', 'title' => __( 'Check Keyword Density', 'wordpress-seo' ), 'href' => 'http://tools.davidnaylor.co.uk/keyworddensity/index.php?url=' . $url . '&keyword=' . urlencode( $focuskw ), 'meta' => array( 'target' => '_blank' ) ) );
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-analysis', 'id' => 'wpseo-cache', 'title' => __( 'Check Google Cache', 'wordpress-seo' ), 'href' => 'http://webcache.googleusercontent.com/search?strip=1&q=cache:' . $url, 'meta' => array( 'target' => '_blank' ) ) );
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-analysis', 'id' => 'wpseo-header', 'title' => __( 'Check Headers', 'wordpress-seo' ), 'href' => 'http://quixapp.com/headers/?r=' . urlencode( $url ), 'meta' => array( 'target' => '_blank' ) ) );
}
$admin_menu = false;
if ( function_exists( 'is_multisite' ) && is_multisite() ) {
$options = get_site_option( 'wpseo_ms' );
if ( is_array( $options ) && isset( $options['access'] ) && $options['access'] == 'superadmin' ) {
if ( is_super_admin() )
$admin_menu = true;
else
$admin_menu = false;
} else {
if ( current_user_can( 'manage_options' ) )
$admin_menu = true;
else
$admin_menu = false;
}
} else {
if ( current_user_can( 'manage_options' ) )
$admin_menu = true;
}
if ( $admin_menu ) {
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-menu', 'id' => 'wpseo-settings', 'title' => __( 'SEO Settings', 'wordpress-seo' ), 'href' => admin_url( 'admin.php?page=wpseo_titles' ), ) );
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-settings', 'id' => 'wpseo-titles', 'title' => __( "Titles & Metas", 'wordpress-seo' ), 'href' => admin_url( 'admin.php?page=wpseo_titles' ), ) );
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-settings', 'id' => 'wpseo-social', 'title' => __( 'Social', 'wordpress-seo' ), 'href' => admin_url( 'admin.php?page=wpseo_social' ), ) );
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-settings', 'id' => 'wpseo-xml', 'title' => __( 'XML Sitemaps', 'wordpress-seo' ), 'href' => admin_url( 'admin.php?page=wpseo_xml' ), ) );
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-settings', 'id' => 'wpseo-permalinks', 'title' => __( 'Permalinks', 'wordpress-seo' ), 'href' => admin_url( 'admin.php?page=wpseo_permalinks' ), ) );
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-settings', 'id' => 'wpseo-internal-links', 'title' => __( 'Internal Links', 'wordpress-seo' ), 'href' => admin_url( 'admin.php?page=wpseo_internal-links' ), ) );
$wp_admin_bar->add_menu( array( 'parent' => 'wpseo-settings', 'id' => 'wpseo-rss', 'title' => __( 'RSS', 'wordpress-seo' ), 'href' => admin_url( 'admin.php?page=wpseo_rss' ), ) );
}
}
add_action( 'admin_bar_menu', 'wpseo_admin_bar_menu', 95 );
/**
* Enqueue a tiny bit of CSS to show so the adminbar shows right.
*/
function wpseo_admin_bar_css() {
if ( is_admin_bar_showing() && is_singular() )
wp_enqueue_style( 'boxes', WPSEO_URL . 'css/adminbar.css', WPSEO_VERSION );
}
add_action( 'wp_enqueue_scripts', 'wpseo_admin_bar_css' );
/**
* Allows editing of the meta fields through weblog editors like Marsedit.
*
* @param array $allcaps Capabilities that must all be true to allow action.
* @param array $cap Array of capabilities to be checked, unused here.
* @param array $args List of arguments for the specific cap to be checked.
*
* @return array $allcaps
*/
function allow_custom_field_edits( $allcaps, $cap, $args ) {
// $args[0] holds the capability
// $args[2] holds the post ID
// $args[3] holds the custom field
// Make sure the request is to edit or add a post meta (this is usually also the second value in $cap,
// but this is safer to check).
if ( in_array( $args[0], array( "edit_post_meta", "add_post_meta" ) ) ) {
// Only allow editing rights for users who have the rights to edit this post and make sure
// the meta value starts with _yoast_wpseo.
if ( current_user_can( 'edit_post', $args[2] ) && strpos( $args[3], "_yoast_wpseo_" ) === 0 )
$allcaps[$args[0]] = true;
}
return $allcaps;
}
add_filter( 'user_has_cap', 'allow_custom_field_edits', 0, 3 );
/**
* Generate an HTML sitemap
*
* @param array $atts The attributes passed to the shortcode.
*
* @return string
*/
function wpseo_sitemap_handler( $atts ) {
$atts = shortcode_atts( array(
'authors' => true,
'pages' => true,
'posts' => true,
'archives' => true
), $atts );
$display_authors = ( $atts['authors'] === 'no' ) ? false : true;
$display_pages = ( $atts['pages'] === 'no' ) ? false : true;
$display_posts = ( $atts['posts'] === 'no' ) ? false : true;
$display_archives = ( $atts['archives'] === 'no' ) ? false : true;
$options = get_wpseo_options();
// Delete the transient if any of these are no
if ( $display_authors === 'no' || $display_pages === 'no' || $display_posts === 'no' ) {
delete_transient( 'html-sitemap' );
}
// Get any existing copy of our transient data
if ( false !== ( $output = get_transient( 'html-sitemap' ) ) ) {
// $output .= 'CACHE'; // debug
// return $output;
}
$output = '';
// create author list
if ( $display_authors ) {
$output .= '<h2 id="authors">' . __( 'Authors', 'wordpress-seo' ) . '</h2><ul>';
// use echo => false b/c shortcode format screws up
$author_list = wp_list_authors(
array(
'exclude_admin' => false,
'echo' => false,
)
);
$output .= $author_list;
$output .= '</ul>';
}
// create page list
if ( $display_pages ) {
$output .= '<h2 id="pages">' . __( 'Pages', 'wordpress-seo' ) . '</h2><ul>';
// Add pages you'd like to exclude in the exclude here
// possibly have this controlled by shortcode params
$page_list = wp_list_pages(
array(
'exclude' => '',
'title_li' => '',
'echo' => false,
)
);
$output .= $page_list;
$output .= '</ul>';
}
// create post list
if ( $display_posts ) {
$output .= '<h2 id="posts">' . __( 'Posts', 'wordpress-seo' ) . '</h2><ul>';
// Add categories you'd like to exclude in the exclude here
// possibly have this controlled by shortcode params
$cats = get_categories( 'exclude=' );
foreach ( $cats as $cat ) {
$output .= "<li>" . $cat->cat_name;
$output .= "<ul>";
$args = array(
'post_type' => 'post',
'post_status' => 'publish',
'posts_per_page' => -1,
'cat' => $cat->cat_ID,
'meta_query' => array(
'relation' => 'OR',
// include if this key doesn't exists
array(
'key' => '_yoast_wpseo_meta-robots-noindex',
'value' => '', // This is ignored, but is necessary...
'compare' => 'NOT EXISTS'
),
// OR if key does exists include if it is not 1
array(
'key' => '_yoast_wpseo_meta-robots-noindex',
'value' => '1',
'compare' => '!='
),
// OR this key overrides it
array(
'key' => '_yoast_wpseo_sitemap-html-include',
'value' => 'always',
'compare' => '='
)
)
);
$posts = get_posts( $args );
foreach ( $posts as $post ) {
$category = get_the_category( $post->ID );
// Only display a post link once, even if it's in multiple categories
if ( $category[0]->cat_ID == $cat->cat_ID ) {
$output .= '<li><a href="' . get_permalink( $post->ID ) . '">' . get_the_title( $post->ID ) . '</a></li>';
}
}
$output .= "</ul>";
$output .= "</li>";
}
}
$output .= '</ul>';
// get all public non-builtin post types
$args = array(
'public' => true,
'_builtin' => false
);
$post_types = get_post_types( $args, 'object' );
// create an noindex array of post types and taxonomies
$noindex = array();
foreach($options as $key => $value) {
if ( strpos( $key, 'noindex-' ) === 0 && $value == 'on' )
$noindex[] = $key;
}
// create custom post type list
foreach ( $post_types as $post_type ) {
if ( ! in_array( 'noindex-' . $post_type->name, $noindex ) ) {
$output .= '<h2 id="' . $post_type->name . '">' . __( $post_type->label, 'wordpress-seo' ) . '</h2><ul>';
$output .= create_type_sitemap_template( $post_type );
$output .= '</ul>';
}
}
// $output = '';
// create archives list
if ( $display_archives ) {
$output .= '<h2 id="archives">' . __( 'Archives', 'wordpress-seo' ) . '</h2><ul>';
foreach ( $post_types as $post_type ) {
if ( $post_type->has_archive && ! in_array( 'noindex-ptarchive-' . $post_type->name, $noindex ) ) {
$output .= '<a href="' . get_post_type_archive_link( $post_type->name ) . '">' . $post_type->labels->name . '</a>';
$output .= create_type_sitemap_template( $post_type );
}
}
$output .= '</ul>';
}
set_transient( 'html-sitemap', $output, 60 );
return $output;
}
add_shortcode( 'wpseo_sitemap', 'wpseo_sitemap_handler' );
function create_type_sitemap_template( $post_type ) {
// $output = '<h2 id="' . $post_type->name . '">' . __( $post_type->label, 'wordpress-seo' ) . '</h2><ul>';
$output = '';
// Get all registered taxonomy of this post type
$taxs = get_object_taxonomies( $post_type->name, 'object' );
// Build the taxonomy tree
$walker = new Sitemap_Walker();
foreach ( $taxs as $key => $tax ) {
$args = array(
'post_type' => $post_type->name,
'tax_query' => array(
array(
'taxonomy' => $key,
'field' => 'id',
'terms' => -1,
'operator' => 'NOT',
)
)
);
$query = new WP_Query( $args );
$title_li = $query->have_posts() ? $tax->labels->name : '';
$output .= wp_list_categories(
array(
'title_li' => $title_li,
'echo' => false,
'taxonomy' => $key,
'show_option_none' => '',
// 'hierarchical' => 0, // uncomment this for a flat list
'walker' => $walker,
'post_type' => $post_type->name // arg used by the Walker class
)
);
}
$output .= '<br />';
return $output;
}