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1 <?php 2 3 function get_plugin_data( $plugin_file ) { 4 $plugin_data = implode( '', file( $plugin_file )); 5 preg_match( '|Plugin Name:(.*)$|mi', $plugin_data, $plugin_name ); 6 preg_match( '|Plugin URI:(.*)$|mi', $plugin_data, $plugin_uri ); 7 preg_match( '|Description:(.*)$|mi', $plugin_data, $description ); 8 preg_match( '|Author:(.*)$|mi', $plugin_data, $author_name ); 9 preg_match( '|Author URI:(.*)$|mi', $plugin_data, $author_uri ); 10 11 if ( preg_match( "|Version:(.*)|i", $plugin_data, $version )) 12 $version = trim( $version[1] ); 13 else 14 $version = ''; 15 16 $description = wptexturize( trim( $description[1] )); 17 18 $name = $plugin_name[1]; 19 $name = trim( $name ); 20 $plugin = $name; 21 if ('' != trim($plugin_uri[1]) && '' != $name ) { 22 $plugin = '<a href="' . trim( $plugin_uri[1] ) . '" title="'.__( 'Visit plugin homepage' ).'">'.$plugin.'</a>'; 23 } 24 25 if ('' == $author_uri[1] ) { 26 $author = trim( $author_name[1] ); 27 } else { 28 $author = '<a href="' . trim( $author_uri[1] ) . '" title="'.__( 'Visit author homepage' ).'">' . trim( $author_name[1] ) . '</a>'; 29 } 30 31 return array('Name' => $name, 'Title' => $plugin, 'Description' => $description, 'Author' => $author, 'Version' => $version); 32 } 33 34 function get_plugins() { 35 global $wp_plugins; 36 37 if ( isset( $wp_plugins ) ) { 38 return $wp_plugins; 39 } 40 41 $wp_plugins = array (); 42 $plugin_root = ABSPATH . PLUGINDIR; 43 44 // Files in wp-content/plugins directory 45 $plugins_dir = @ opendir( $plugin_root); 46 if ( $plugins_dir ) { 47 while (($file = readdir( $plugins_dir ) ) !== false ) { 48 if ( substr($file, 0, 1) == '.' ) 49 continue; 50 if ( is_dir( $plugin_root.'/'.$file ) ) { 51 $plugins_subdir = @ opendir( $plugin_root.'/'.$file ); 52 if ( $plugins_subdir ) { 53 while (($subfile = readdir( $plugins_subdir ) ) !== false ) { 54 if ( substr($subfile, 0, 1) == '.' ) 55 continue; 56 if ( substr($subfile, -4) == '.php' ) 57 $plugin_files[] = "$file/$subfile"; 58 } 59 } 60 } else { 61 if ( substr($file, -4) == '.php' ) 62 $plugin_files[] = $file; 63 } 64 } 65 } 66 @closedir( $plugins_dir ); 67 @closedir( $plugins_subdir ); 68 69 if ( !$plugins_dir || !$plugin_files ) 70 return $wp_plugins; 71 72 foreach ( $plugin_files as $plugin_file ) { 73 if ( !is_readable( "$plugin_root/$plugin_file" ) ) 74 continue; 75 76 $plugin_data = get_plugin_data( "$plugin_root/$plugin_file" ); 77 78 if ( empty ( $plugin_data['Name'] ) ) 79 continue; 80 81 $wp_plugins[plugin_basename( $plugin_file )] = $plugin_data; 82 } 83 84 uasort( $wp_plugins, create_function( '$a, $b', 'return strnatcasecmp( $a["Name"], $b["Name"] );' )); 85 86 return $wp_plugins; 87 } 88 89 function activate_plugin($plugin) { 90 $current = get_option('active_plugins'); 91 $plugin = trim($plugin); 92 93 if ( validate_file($plugin) ) 94 return new WP_Error('plugin_invalid', __('Invalid plugin.')); 95 if ( ! file_exists(ABSPATH . PLUGINDIR . '/' . $plugin) ) 96 return new WP_Error('plugin_not_found', __('Plugin file does not exist.')); 97 98 if (!in_array($plugin, $current)) { 99 wp_redirect(add_query_arg('_error_nonce', wp_create_nonce('plugin-activation-error_' . $plugin), 'plugins.php?error=true&plugin=' . $plugin)); // we'll override this later if the plugin can be included without fatal error 100 ob_start(); 101 @include(ABSPATH . PLUGINDIR . '/' . $plugin); 102 $current[] = $plugin; 103 sort($current); 104 update_option('active_plugins', $current); 105 do_action('activate_' . $plugin); 106 ob_end_clean(); 107 } 108 109 return null; 110 } 111 112 function deactivate_plugins($plugins) { 113 $current = get_option('active_plugins'); 114 115 if(!is_array($plugins)) 116 $plugins = array($plugins); 117 118 foreach($plugins as $plugin) { 119 array_splice($current, array_search( $plugin, $current), 1 ); // Array-fu! 120 do_action('deactivate_' . trim( $plugin )); 121 } 122 123 update_option('active_plugins', $current); 124 } 125 126 function deactivate_all_plugins() { 127 $current = get_option('active_plugins'); 128 deactivate_plugins($current); 129 } 130 131 // 132 // Menu 133 // 134 135 function add_menu_page( $page_title, $menu_title, $access_level, $file, $function = '' ) { 136 global $menu, $admin_page_hooks; 137 138 $file = plugin_basename( $file ); 139 140 $menu[] = array ( $menu_title, $access_level, $file, $page_title ); 141 142 $admin_page_hooks[$file] = sanitize_title( $menu_title ); 143 144 $hookname = get_plugin_page_hookname( $file, '' ); 145 if (!empty ( $function ) && !empty ( $hookname )) 146 add_action( $hookname, $function ); 147 148 return $hookname; 149 } 150 151 function add_submenu_page( $parent, $page_title, $menu_title, $access_level, $file, $function = '' ) { 152 global $submenu; 153 global $menu; 154 global $_wp_real_parent_file; 155 global $_wp_submenu_nopriv; 156 157 $file = plugin_basename( $file ); 158 159 $parent = plugin_basename( $parent); 160 if ( isset( $_wp_real_parent_file[$parent] ) ) 161 $parent = $_wp_real_parent_file[$parent]; 162 163 if ( !current_user_can( $access_level ) ) { 164 $_wp_submenu_nopriv[$parent][$file] = true; 165 return false; 166 } 167 168 // If the parent doesn't already have a submenu, add a link to the parent 169 // as the first item in the submenu. If the submenu file is the same as the 170 // parent file someone is trying to link back to the parent manually. In 171 // this case, don't automatically add a link back to avoid duplication. 172 if (!isset( $submenu[$parent] ) && $file != $parent ) { 173 foreach ( $menu as $parent_menu ) { 174 if ( $parent_menu[2] == $parent && current_user_can( $parent_menu[1] ) ) 175 $submenu[$parent][] = $parent_menu; 176 } 177 } 178 179 $submenu[$parent][] = array ( $menu_title, $access_level, $file, $page_title ); 180 181 $hookname = get_plugin_page_hookname( $file, $parent); 182 if (!empty ( $function ) && !empty ( $hookname )) 183 add_action( $hookname, $function ); 184 185 return $hookname; 186 } 187 188 function add_management_page( $page_title, $menu_title, $access_level, $file, $function = '' ) { 189 return add_submenu_page( 'edit.php', $page_title, $menu_title, $access_level, $file, $function ); 190 } 191 192 function add_options_page( $page_title, $menu_title, $access_level, $file, $function = '' ) { 193 return add_submenu_page( 'options-general.php', $page_title, $menu_title, $access_level, $file, $function ); 194 } 195 196 function add_theme_page( $page_title, $menu_title, $access_level, $file, $function = '' ) { 197 return add_submenu_page( 'themes.php', $page_title, $menu_title, $access_level, $file, $function ); 198 } 199 200 function add_users_page( $page_title, $menu_title, $access_level, $file, $function = '' ) { 201 if ( current_user_can('edit_users') ) 202 $parent = 'users.php'; 203 else 204 $parent = 'profile.php'; 205 return add_submenu_page( $parent, $page_title, $menu_title, $access_level, $file, $function ); 206 } 207 208 // 209 // Pluggable Menu Support -- Private 210 // 211 212 function get_admin_page_parent() { 213 global $parent_file; 214 global $menu; 215 global $submenu; 216 global $pagenow; 217 global $plugin_page; 218 global $_wp_real_parent_file; 219 global $_wp_menu_nopriv; 220 global $_wp_submenu_nopriv; 221 222 if ( !empty ( $parent_file ) ) { 223 if ( isset( $_wp_real_parent_file[$parent_file] ) ) 224 $parent_file = $_wp_real_parent_file[$parent_file]; 225 226 return $parent_file; 227 } 228 229 if ( $pagenow == 'admin.php' && isset( $plugin_page ) ) { 230 foreach ( $menu as $parent_menu ) { 231 if ( $parent_menu[2] == $plugin_page ) { 232 $parent_file = $plugin_page; 233 if ( isset( $_wp_real_parent_file[$parent_file] ) ) 234 $parent_file = $_wp_real_parent_file[$parent_file]; 235 return $parent_file; 236 } 237 } 238 if ( isset( $_wp_menu_nopriv[$plugin_page] ) ) { 239 $parent_file = $plugin_page; 240 if ( isset( $_wp_real_parent_file[$parent_file] ) ) 241 $parent_file = $_wp_real_parent_file[$parent_file]; 242 return $parent_file; 243 } 244 } 245 246 if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$pagenow][$plugin_page] ) ) { 247 $parent_file = $pagenow; 248 if ( isset( $_wp_real_parent_file[$parent_file] ) ) 249 $parent_file = $_wp_real_parent_file[$parent_file]; 250 return $parent_file; 251 } 252 253 foreach (array_keys( $submenu ) as $parent) { 254 foreach ( $submenu[$parent] as $submenu_array ) { 255 if ( isset( $_wp_real_parent_file[$parent] ) ) 256 $parent = $_wp_real_parent_file[$parent]; 257 if ( $submenu_array[2] == $pagenow ) { 258 $parent_file = $parent; 259 return $parent; 260 } else 261 if ( isset( $plugin_page ) && ($plugin_page == $submenu_array[2] ) ) { 262 $parent_file = $parent; 263 return $parent; 264 } 265 } 266 } 267 268 $parent_file = ''; 269 return ''; 270 } 271 272 function get_admin_page_title() { 273 global $title; 274 global $menu; 275 global $submenu; 276 global $pagenow; 277 global $plugin_page; 278 279 if ( isset( $title ) && !empty ( $title ) ) { 280 return $title; 281 } 282 283 $hook = get_plugin_page_hook( $plugin_page, $pagenow ); 284 285 $parent = $parent1 = get_admin_page_parent(); 286 if ( empty ( $parent) ) { 287 foreach ( $menu as $menu_array ) { 288 if ( isset( $menu_array[3] ) ) { 289 if ( $menu_array[2] == $pagenow ) { 290 $title = $menu_array[3]; 291 return $menu_array[3]; 292 } else 293 if ( isset( $plugin_page ) && ($plugin_page == $menu_array[2] ) && ($hook == $menu_array[3] ) ) { 294 $title = $menu_array[3]; 295 return $menu_array[3]; 296 } 297 } else { 298 $title = $menu_array[0]; 299 return $title; 300 } 301 } 302 } else { 303 foreach (array_keys( $submenu ) as $parent) { 304 foreach ( $submenu[$parent] as $submenu_array ) { 305 if ( isset( $plugin_page ) && 306 ($plugin_page == $submenu_array[2] ) && 307 (($parent == $pagenow ) || ($parent == $plugin_page ) || ($plugin_page == $hook ) || (($pagenow == 'admin.php' ) && ($parent1 != $submenu_array[2] ) ) ) 308 ) { 309 $title = $submenu_array[3]; 310 return $submenu_array[3]; 311 } 312 313 if ( $submenu_array[2] != $pagenow || isset( $_GET['page'] ) ) // not the current page 314 continue; 315 316 if ( isset( $submenu_array[3] ) ) { 317 $title = $submenu_array[3]; 318 return $submenu_array[3]; 319 } else { 320 $title = $submenu_array[0]; 321 return $title; 322 } 323 } 324 } 325 } 326 327 return $title; 328 } 329 330 function get_plugin_page_hook( $plugin_page, $parent_page ) { 331 $hook = get_plugin_page_hookname( $plugin_page, $parent_page ); 332 if ( has_action($hook) ) 333 return $hook; 334 else 335 return null; 336 } 337 338 function get_plugin_page_hookname( $plugin_page, $parent_page ) { 339 global $admin_page_hooks; 340 341 $parent = get_admin_page_parent(); 342 343 if ( empty ( $parent_page ) || 'admin.php' == $parent_page ) { 344 if ( isset( $admin_page_hooks[$plugin_page] )) 345 $page_type = 'toplevel'; 346 else 347 if ( isset( $admin_page_hooks[$parent] )) 348 $page_type = $admin_page_hooks[$parent]; 349 } else 350 if ( isset( $admin_page_hooks[$parent_page] ) ) { 351 $page_type = $admin_page_hooks[$parent_page]; 352 } else { 353 $page_type = 'admin'; 354 } 355 356 $plugin_name = preg_replace( '!\.php!', '', $plugin_page ); 357 358 return $page_type.'_page_'.$plugin_name; 359 } 360 361 function user_can_access_admin_page() { 362 global $pagenow; 363 global $menu; 364 global $submenu; 365 global $_wp_menu_nopriv; 366 global $_wp_submenu_nopriv; 367 global $plugin_page; 368 369 $parent = get_admin_page_parent(); 370 371 if ( isset( $_wp_submenu_nopriv[$parent][$pagenow] ) ) 372 return false; 373 374 if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$parent][$plugin_page] ) ) 375 return false; 376 377 if ( empty( $parent) ) { 378 if ( isset( $_wp_menu_nopriv[$pagenow] ) ) 379 return false; 380 if ( isset( $_wp_submenu_nopriv[$pagenow][$pagenow] ) ) 381 return false; 382 if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$pagenow][$plugin_page] ) ) 383 return false; 384 foreach (array_keys( $_wp_submenu_nopriv ) as $key ) { 385 if ( isset( $_wp_submenu_nopriv[$key][$pagenow] ) ) 386 return false; 387 if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[$key][$plugin_page] ) ) 388 return false; 389 } 390 return true; 391 } 392 393 if ( isset( $submenu[$parent] ) ) { 394 foreach ( $submenu[$parent] as $submenu_array ) { 395 if ( isset( $plugin_page ) && ( $submenu_array[2] == $plugin_page ) ) { 396 if ( current_user_can( $submenu_array[1] )) 397 return true; 398 else 399 return false; 400 } else if ( $submenu_array[2] == $pagenow ) { 401 if ( current_user_can( $submenu_array[1] )) 402 return true; 403 else 404 return false; 405 } 406 } 407 } 408 409 foreach ( $menu as $menu_array ) { 410 if ( $menu_array[2] == $parent) { 411 if ( current_user_can( $menu_array[1] )) 412 return true; 413 else 414 return false; 415 } 416 } 417 418 return true; 419 } 420 421 ?>
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| Generated Thu Dec 6 06:47:08 2007 for RedAlt XRefs | Cross-referenced by PHPXref 0.6 and RedAlt |