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PHP Cross Reference of WordPress Trunk (Latest) |
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1 <?php 2 3 /* These functions can be replaced via plugins. They are loaded after 4 plugins are loaded. */ 5 6 if ( !function_exists('set_current_user') ) : 7 function set_current_user($id, $name = '') { 8 return wp_set_current_user($id, $name); 9 } 10 endif; 11 12 if ( !function_exists('wp_set_current_user') ) : 13 function wp_set_current_user($id, $name = '') { 14 global $current_user; 15 16 if ( isset($current_user) && ($id == $current_user->ID) ) 17 return $current_user; 18 19 $current_user = new WP_User($id, $name); 20 21 setup_userdata($current_user->ID); 22 23 do_action('set_current_user'); 24 25 return $current_user; 26 } 27 endif; 28 29 if ( !function_exists('wp_get_current_user') ) : 30 function wp_get_current_user() { 31 global $current_user; 32 33 get_currentuserinfo(); 34 35 return $current_user; 36 } 37 endif; 38 39 if ( !function_exists('get_currentuserinfo') ) : 40 function get_currentuserinfo() { 41 global $current_user; 42 43 if ( defined('XMLRPC_REQUEST') && XMLRPC_REQUEST ) 44 return false; 45 46 if ( ! empty($current_user) ) 47 return; 48 49 if ( empty($_COOKIE[USER_COOKIE]) || empty($_COOKIE[PASS_COOKIE]) || 50 !wp_login($_COOKIE[USER_COOKIE], $_COOKIE[PASS_COOKIE], true) ) { 51 wp_set_current_user(0); 52 return false; 53 } 54 55 $user_login = $_COOKIE[USER_COOKIE]; 56 wp_set_current_user(0, $user_login); 57 } 58 endif; 59 60 if ( !function_exists('get_userdata') ) : 61 function get_userdata( $user_id ) { 62 global $wpdb; 63 $user_id = (int) $user_id; 64 if ( $user_id == 0 ) 65 return false; 66 67 $user = wp_cache_get($user_id, 'users'); 68 69 if ( $user ) 70 return $user; 71 72 if ( !$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID = '$user_id' LIMIT 1") ) 73 return false; 74 75 $wpdb->hide_errors(); 76 $metavalues = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user_id'"); 77 $wpdb->show_errors(); 78 79 if ($metavalues) { 80 foreach ( $metavalues as $meta ) { 81 @ $value = unserialize($meta->meta_value); 82 if ($value === FALSE) 83 $value = $meta->meta_value; 84 $user->{$meta->meta_key} = $value; 85 86 // We need to set user_level from meta, not row 87 if ( $wpdb->prefix . 'user_level' == $meta->meta_key ) 88 $user->user_level = $meta->meta_value; 89 } // end foreach 90 } //end if 91 92 // For backwards compat. 93 if ( isset($user->first_name) ) 94 $user->user_firstname = $user->first_name; 95 if ( isset($user->last_name) ) 96 $user->user_lastname = $user->last_name; 97 if ( isset($user->description) ) 98 $user->user_description = $user->description; 99 100 wp_cache_add($user_id, $user, 'users'); 101 wp_cache_add($user->user_login, $user, 'userlogins'); 102 103 return $user; 104 } 105 endif; 106 107 if ( !function_exists('update_user_cache') ) : 108 function update_user_cache() { 109 return true; 110 } 111 endif; 112 113 if ( !function_exists('get_userdatabylogin') ) : 114 function get_userdatabylogin($user_login) { 115 global $wpdb; 116 $user_login = sanitize_user( $user_login ); 117 118 if ( empty( $user_login ) ) 119 return false; 120 121 $userdata = wp_cache_get($user_login, 'userlogins'); 122 if ( $userdata ) 123 return $userdata; 124 125 if ( !$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE user_login = '$user_login'") ) 126 return false; 127 128 $wpdb->hide_errors(); 129 $metavalues = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user->ID'"); 130 $wpdb->show_errors(); 131 132 if ($metavalues) { 133 foreach ( $metavalues as $meta ) { 134 @ $value = unserialize($meta->meta_value); 135 if ($value === FALSE) 136 $value = $meta->meta_value; 137 $user->{$meta->meta_key} = $value; 138 139 // We need to set user_level from meta, not row 140 if ( $wpdb->prefix . 'user_level' == $meta->meta_key ) 141 $user->user_level = $meta->meta_value; 142 } 143 } 144 145 // For backwards compat. 146 if ( isset($user->first_name) ) 147 $user->user_firstname = $user->first_name; 148 if ( isset($user->last_name) ) 149 $user->user_lastname = $user->last_name; 150 if ( isset($user->description) ) 151 $user->user_description = $user->description; 152 153 wp_cache_add($user->ID, $user, 'users'); 154 wp_cache_add($user->user_login, $user, 'userlogins'); 155 156 return $user; 157 158 } 159 endif; 160 161 if ( !function_exists('wp_mail') ) : 162 function wp_mail($to, $subject, $message, $headers = '') { 163 if( $headers == '' ) { 164 $headers = "MIME-Version: 1.0\n" . 165 "From: wordpress@" . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME'])) . "\n" . 166 "Content-Type: text/plain; charset=\"" . get_settings('blog_charset') . "\"\n"; 167 } 168 169 return @mail($to, $subject, $message, $headers); 170 } 171 endif; 172 173 if ( !function_exists('wp_login') ) : 174 function wp_login($username, $password, $already_md5 = false) { 175 global $wpdb, $error; 176 177 if ( '' == $username ) 178 return false; 179 180 if ( '' == $password ) { 181 $error = __('<strong>Error</strong>: The password field is empty.'); 182 return false; 183 } 184 185 $login = get_userdatabylogin($username); 186 //$login = $wpdb->get_row("SELECT ID, user_login, user_pass FROM $wpdb->users WHERE user_login = '$username'"); 187 188 if (!$login) { 189 $error = __('<strong>Error</strong>: Wrong username.'); 190 return false; 191 } else { 192 // If the password is already_md5, it has been double hashed. 193 // Otherwise, it is plain text. 194 if ( ($already_md5 && md5($login->user_pass) == $password) || ($login->user_login == $username && $login->user_pass == md5($password)) ) { 195 return true; 196 } else { 197 $error = __('<strong>Error</strong>: Incorrect password.'); 198 $pwd = ''; 199 return false; 200 } 201 } 202 } 203 endif; 204 205 if ( !function_exists('is_user_logged_in') ) : 206 function is_user_logged_in() { 207 $user = wp_get_current_user(); 208 209 if ( $user->id == 0 ) 210 return false; 211 212 return true; 213 } 214 endif; 215 216 if ( !function_exists('auth_redirect') ) : 217 function auth_redirect() { 218 // Checks if a user is logged in, if not redirects them to the login page 219 if ( (!empty($_COOKIE[USER_COOKIE]) && 220 !wp_login($_COOKIE[USER_COOKIE], $_COOKIE[PASS_COOKIE], true)) || 221 (empty($_COOKIE[USER_COOKIE])) ) { 222 nocache_headers(); 223 224 header('Location: ' . get_settings('siteurl') . '/wp-login.php?redirect_to=' . urlencode($_SERVER['REQUEST_URI'])); 225 exit(); 226 } 227 } 228 endif; 229 230 if ( !function_exists('check_admin_referer') ) : 231 function check_admin_referer($action = -1) { 232 global $pagenow, $menu, $submenu, $parent_file, $submenu_file;; 233 $adminurl = strtolower(get_settings('siteurl')).'/wp-admin'; 234 $referer = strtolower($_SERVER['HTTP_REFERER']); 235 if ( !wp_verify_nonce($_REQUEST['_wpnonce'], $action) && 236 !(-1 == $action && strstr($referer, $adminurl)) ) { 237 if ( $referer ) 238 $adminurl = $referer; 239 $title = __('WordPress Confirmation'); 240 require_once (ABSPATH . '/wp-admin/admin-header.php'); 241 // Remove extra layer of slashes. 242 $_POST = stripslashes_deep($_POST ); 243 if ( $_POST ) { 244 $q = http_build_query($_POST); 245 $q = explode( ini_get('arg_separator.output'), $q); 246 $html .= "\t<form method='post' action='$pagenow'>\n"; 247 foreach ( (array) $q as $a ) { 248 $v = substr(strstr($a, '='), 1); 249 $k = substr($a, 0, -(strlen($v)+1)); 250 $html .= "\t\t<input type='hidden' name='" . wp_specialchars( urldecode($k), 1 ) . "' value='" . wp_specialchars( urldecode($v), 1 ) . "' />\n"; 251 } 252 $html .= "\t\t<input type='hidden' name='_wpnonce' value='" . wp_create_nonce($action) . "' />\n"; 253 $html .= "\t\t<div id='message' class='confirm fade'>\n\t\t<p>" . __('Are you sure you want to do this?') . "</p>\n\t\t<p><a href='$adminurl'>" . __('No') . "</a> <input type='submit' value='" . __('Yes') . "' /></p>\n\t\t</div>\n\t</form>\n"; 254 } else { 255 $html .= "\t<div id='message' class='confirm fade'>\n\t<p>" . __('Are you sure you want to do this?') . "</p>\n\t<p><a href='$adminurl'>" . __('No') . "</a> <a href='" . add_query_arg( '_wpnonce', wp_create_nonce($action), $_SERVER['REQUEST_URI'] ) . "'>" . __('Yes') . "</a></p>\n\t</div>\n"; 256 } 257 $html .= "</body>\n</html>"; 258 echo $html; 259 include_once (ABSPATH . '/wp-admin/admin-footer.php'); 260 die(); 261 } 262 do_action('check_admin_referer', $action); 263 }endif; 264 265 if ( !function_exists('check_ajax_referer') ) : 266 function check_ajax_referer() { 267 $cookie = explode('; ', urldecode(empty($_POST['cookie']) ? $_GET['cookie'] : $_POST['cookie'])); // AJAX scripts must pass cookie=document.cookie 268 foreach ( $cookie as $tasty ) { 269 if ( false !== strpos($tasty, USER_COOKIE) ) 270 $user = substr(strstr($tasty, '='), 1); 271 if ( false !== strpos($tasty, PASS_COOKIE) ) 272 $pass = substr(strstr($tasty, '='), 1); 273 } 274 if ( !wp_login( $user, $pass, true ) ) 275 die('-1'); 276 do_action('check_ajax_referer'); 277 } 278 endif; 279 280 // Cookie safe redirect. Works around IIS Set-Cookie bug. 281 // http://support.microsoft.com/kb/q176113/ 282 if ( !function_exists('wp_redirect') ) : 283 function wp_redirect($location) { 284 global $is_IIS; 285 286 $location = str_replace( array("\n", "\r"), '', $location); 287 288 if ($is_IIS) 289 header("Refresh: 0;url=$location"); 290 else 291 header("Location: $location"); 292 } 293 endif; 294 295 if ( !function_exists('wp_get_cookie_login') ): 296 function wp_get_cookie_login() { 297 if ( empty($_COOKIE[USER_COOKIE]) || empty($_COOKIE[PASS_COOKIE]) ) 298 return false; 299 300 return array('login' => $_COOKIE[USER_COOKIE], 'password' => $_COOKIE[PASS_COOKIE]); 301 } 302 303 endif; 304 305 if ( !function_exists('wp_setcookie') ) : 306 function wp_setcookie($username, $password, $already_md5 = false, $home = '', $siteurl = '', $remember = false) { 307 if ( !$already_md5 ) 308 $password = md5( md5($password) ); // Double hash the password in the cookie. 309 310 if ( empty($home) ) 311 $cookiepath = COOKIEPATH; 312 else 313 $cookiepath = preg_replace('|https?://[^/]+|i', '', $home . '/' ); 314 315 if ( empty($siteurl) ) { 316 $sitecookiepath = SITECOOKIEPATH; 317 $cookiehash = COOKIEHASH; 318 } else { 319 $sitecookiepath = preg_replace('|https?://[^/]+|i', '', $siteurl . '/' ); 320 $cookiehash = md5($siteurl); 321 } 322 323 if ( $remember ) 324 $expire = time() + 31536000; 325 else 326 $expire = 0; 327 328 setcookie(USER_COOKIE, $username, $expire, $cookiepath, COOKIE_DOMAIN); 329 setcookie(PASS_COOKIE, $password, $expire, $cookiepath, COOKIE_DOMAIN); 330 331 if ( $cookiepath != $sitecookiepath ) { 332 setcookie(USER_COOKIE, $username, $expire, $sitecookiepath, COOKIE_DOMAIN); 333 setcookie(PASS_COOKIE, $password, $expire, $sitecookiepath, COOKIE_DOMAIN); 334 } 335 } 336 endif; 337 338 if ( !function_exists('wp_clearcookie') ) : 339 function wp_clearcookie() { 340 setcookie(USER_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN); 341 setcookie(PASS_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN); 342 setcookie(USER_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN); 343 setcookie(PASS_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN); 344 } 345 endif; 346 347 if ( ! function_exists('wp_notify_postauthor') ) : 348 function wp_notify_postauthor($comment_id, $comment_type='') { 349 global $wpdb; 350 351 $comment = get_comment($comment_id); 352 $post = get_post($comment->comment_post_ID); 353 $user = get_userdata( $post->post_author ); 354 355 if ('' == $user->user_email) return false; // If there's no email to send the comment to 356 357 $comment_author_domain = gethostbyaddr($comment->comment_author_IP); 358 359 $blogname = get_settings('blogname'); 360 361 if ( empty( $comment_type ) ) $comment_type = 'comment'; 362 363 if ('comment' == $comment_type) { 364 $notify_message = sprintf( __('New comment on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n"; 365 $notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 366 $notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n"; 367 $notify_message .= sprintf( __('URI : %s'), $comment->comment_author_url ) . "\r\n"; 368 $notify_message .= sprintf( __('Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n"; 369 $notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n"; 370 $notify_message .= __('You can see all comments on this post here: ') . "\r\n"; 371 $subject = sprintf( __('[%1$s] Comment: "%2$s"'), $blogname, $post->post_title ); 372 } elseif ('trackback' == $comment_type) { 373 $notify_message = sprintf( __('New trackback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n"; 374 $notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 375 $notify_message .= sprintf( __('URI : %s'), $comment->comment_author_url ) . "\r\n"; 376 $notify_message .= __('Excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n"; 377 $notify_message .= __('You can see all trackbacks on this post here: ') . "\r\n"; 378 $subject = sprintf( __('[%1$s] Trackback: "%2$s"'), $blogname, $post->post_title ); 379 } elseif ('pingback' == $comment_type) { 380 $notify_message = sprintf( __('New pingback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n"; 381 $notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; 382 $notify_message .= sprintf( __('URI : %s'), $comment->comment_author_url ) . "\r\n"; 383 $notify_message .= __('Excerpt: ') . "\r\n" . sprintf('[...] %s [...]', $comment->comment_content ) . "\r\n\r\n"; 384 $notify_message .= __('You can see all pingbacks on this post here: ') . "\r\n"; 385 $subject = sprintf( __('[%1$s] Pingback: "%2$s"'), $blogname, $post->