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1 <?php 2 /** 3 * BuddyPress bbPress 1.x integration. 4 * 5 * @package BuddyPress 6 * @subpackage ForumsbbPress 7 * @since 1.5.0 8 */ 9 10 // Exit if accessed directly. 11 defined( 'ABSPATH' ) || exit; 12 13 /** 14 * Bootstrap bbPress 1.x, and manipulate globals to integrate with BuddyPress. 15 * 16 * @since 1.1.0 17 * 18 * @return bool|null Returns false on failure. 19 */ 20 function bp_forums_load_bbpress() { 21 global $wpdb, $wp_roles, $current_user, $wp_users_object; 22 global $bb, $bbdb, $bb_table_prefix, $bb_current_user; 23 global $bb_roles, $wp_taxonomy_object, $bb_queries; 24 25 // Return if we've already run this function. 26 if ( is_object( $bbdb ) ) 27 return; 28 29 if ( !bp_forums_is_installed_correctly() ) 30 return false; 31 32 $bp = buddypress(); 33 34 define( 'BB_PATH', $bp->plugin_dir . '/bp-forums/bbpress/' ); 35 define( 'BACKPRESS_PATH', $bp->plugin_dir . '/bp-forums/bbpress/bb-includes/backpress/' ); 36 define( 'BB_URL', $bp->plugin_url . 'bp-forums/bbpress/' ); 37 define( 'BB_INC', 'bb-includes/' ); 38 39 require( BB_PATH . BB_INC . 'class.bb-query.php' ); 40 require( BB_PATH . BB_INC . 'class.bb-walker.php' ); 41 42 require( BB_PATH . BB_INC . 'functions.bb-core.php' ); 43 require( BB_PATH . BB_INC . 'functions.bb-forums.php' ); 44 require( BB_PATH . BB_INC . 'functions.bb-topics.php' ); 45 require( BB_PATH . BB_INC . 'functions.bb-posts.php' ); 46 require( BB_PATH . BB_INC . 'functions.bb-topic-tags.php' ); 47 require( BB_PATH . BB_INC . 'functions.bb-capabilities.php' ); 48 require( BB_PATH . BB_INC . 'functions.bb-meta.php' ); 49 require( BB_PATH . BB_INC . 'functions.bb-pluggable.php' ); 50 require( BB_PATH . BB_INC . 'functions.bb-formatting.php' ); 51 require( BB_PATH . BB_INC . 'functions.bb-template.php' ); 52 53 require( BACKPRESS_PATH . 'class.wp-taxonomy.php' ); 54 require( BB_PATH . BB_INC . 'class.bb-taxonomy.php' ); 55 56 require ( BB_PATH . 'bb-admin/includes/functions.bb-admin.php' ); 57 58 $bb = new stdClass(); 59 require( bp_get_option( 'bb-config-location' ) ); 60 61 // Setup the global database connection. 62 $bbdb = new BPDB ( BBDB_USER, BBDB_PASSWORD, BBDB_NAME, BBDB_HOST ); 63 64 // Set the table names. 65 $bbdb->forums = $bb_table_prefix . 'forums'; 66 $bbdb->meta = $bb_table_prefix . 'meta'; 67 $bbdb->posts = $bb_table_prefix . 'posts'; 68 $bbdb->terms = $bb_table_prefix . 'terms'; 69 $bbdb->term_relationships = $bb_table_prefix . 'term_relationships'; 70 $bbdb->term_taxonomy = $bb_table_prefix . 'term_taxonomy'; 71 $bbdb->topics = $bb_table_prefix . 'topics'; 72 73 if ( isset( $bb->custom_user_table ) ) 74 $bbdb->users = $bb->custom_user_table; 75 else 76 $bbdb->users = $wpdb->users; 77 78 if ( isset( $bb->custom_user_meta_table ) ) 79 $bbdb->usermeta = $bb->custom_user_meta_table; 80 else 81 $bbdb->usermeta = $wpdb->usermeta; 82 83 $bbdb->prefix = $bb_table_prefix; 84 85 define( 'BB_INSTALLING', false ); 86 87 if ( is_object( $wp_roles ) ) { 88 $bb_roles = $wp_roles; 89 bb_init_roles( $bb_roles ); 90 } 91 92 /** 93 * Fires during the bootstrap setup for bbPress 1.x. 94 * 95 * @since 1.1.0 96 */ 97 do_action( 'bb_got_roles' ); 98 99 /** 100 * Fires during the bootstrap setup for bbPress 1.x. 101 * 102 * @since 1.1.0 103 */ 104 do_action( 'bb_init' ); 105 106 /** 107 * Fires during the bootstrap setup for bbPress 1.x. 108 * 109 * @since 1.1.0 110 */ 111 do_action( 'init_roles' ); 112 113 $bb_current_user = $current_user; 114 $wp_users_object = new BP_Forums_BB_Auth; 115 116 if ( !isset( $wp_taxonomy_object ) ) 117 $wp_taxonomy_object = new BB_Taxonomy( $bbdb ); 118 119 $wp_taxonomy_object->register_taxonomy( 'bb_topic_tag', 'bb_topic' ); 120 121 // Set a site id if there isn't one already. 122 if ( !isset( $bb->site_id ) ) 123 $bb->site_id = bp_get_root_blog_id(); 124 125 // Check if the tables are installed, if not, install them. 126 if ( !$tables_installed = (boolean) $bbdb->get_results( 'DESCRIBE `' . $bbdb->forums . '`;', ARRAY_A ) ) { 127 require( BB_PATH . 'bb-admin/includes/defaults.bb-schema.php' ); 128 129 // Backticks and "IF NOT EXISTS" break the dbDelta function. 130 bp_bb_dbDelta( str_replace( ' IF NOT EXISTS', '', str_replace( '`', '', $bb_queries ) ) ); 131 132 require( BB_PATH . 'bb-admin/includes/functions.bb-upgrade.php' ); 133 bb_update_db_version(); 134 135 // Set the site admins as the keymasters. 136 $site_admins = get_site_option( 'site_admins', array('admin') ); 137 foreach ( (array) $site_admins as $site_admin ) 138 bp_update_user_meta( bp_core_get_userid( $site_admin ), $bb_table_prefix . 'capabilities', array( 'keymaster' => true ) ); 139 140 // Create the first forum. 141 bb_new_forum( array( 'forum_name' => 'Default Forum' ) ); 142 143 // Set the site URI. 144 bb_update_option( 'uri', BB_URL ); 145 } 146 147 /** 148 * Fires inside an anonymous function that is run on bbPress shutdown. 149 * 150 * @since 1.1.0 151 */ 152 register_shutdown_function( function() { do_action( 'bb_shutdown' ); } ); 153 } 154 add_action( 'bbpress_init', 'bp_forums_load_bbpress' ); 155 156 /** WP to bbPress wrapper functions ******************************************/ 157 158 /** 159 * Get the current bbPress user. 160 * 161 * @since 1.1.0 162 * 163 * @return object $current_user Current user object from WordPress. 164 */ 165 function bb_get_current_user() { global $current_user; return $current_user; } 166 167 /** 168 * Get userdata for a bbPress user. 169 * 170 * @since 1.1.0 171 * 172 * @param int $user_id User ID. 173 * @return object User data from WordPress. 174 */ 175 function bb_get_user( $user_id ) { return get_userdata( $user_id ); } 176 177 /** 178 * Cache users. 179 * 180 * Noop. 181 * 182 * @since 1.1.0 183 * 184 * @param array $users Array of users. 185 */ 186 function bb_cache_users( $users ) {} 187 188 /** 189 * The bbPress plugin needs this class for its usermeta manipulation. 190 * 191 * @since 1.1.0 192 */ 193 class BP_Forums_BB_Auth { 194 195 /** 196 * Update usermeta data. 197 * 198 * @since 1.1.0 199 * 200 * @param string $args Array of arguments. 201 * @return bool 202 */ 203 function update_meta( $args = '' ) { 204 $defaults = array( 'id' => 0, 'meta_key' => null, 'meta_value' => null, 'meta_table' => 'usermeta', 'meta_field' => 'user_id', 'cache_group' => 'users' ); 205 $args = wp_parse_args( $args, $defaults ); 206 extract( $args, EXTR_SKIP ); 207 208 return bp_update_user_meta( $id, $meta_key, $meta_value ); 209 } 210 } 211 212 /** 213 * The bbPress plugin needs the DB class to be BPDB, but we want to use WPDB, so we can extend it and use this. 214 * 215 * The class is pluggable, so that plugins that swap out WPDB with a custom 216 * database class (such as HyperDB and ShareDB) can provide their own versions 217 * of BPDB which extend the appropriate base class. 218 */ 219 if ( ! class_exists( 'BPDB' ) ) : 220 221 /** 222 * WPDB class extension. 223 * 224 * @since 1.1.0 225 */ 226 class BPDB extends WPDB { 227 var $db_servers = array(); 228 229 /** 230 * Constructor. 231 * 232 * @since 1.1.0 233 * 234 * @see WPDB::__construct() for description of parameters. 235 */ 236 function __construct( $dbuser, $dbpassword, $dbname, $dbhost ) { 237 parent::__construct( $dbuser, $dbpassword, $dbname, $dbhost ); 238 239 $args = call_user_func_array( array( &$this, 'init' ), func_get_args() ); 240 241 if ( $args['host'] ) 242 $this->db_servers['dbh_global'] = $args; 243 } 244 245 /** 246 * Determine if a database supports a particular feature. 247 * 248 * Overridden here to work around differences between bbPress's 249 * and WordPress's implementations. In particular, when 250 * BuddyPress tries to run bbPress' SQL installation script, 251 * the collation check always failed. The capability is long 252 * supported by WordPress' minimum required MySQL version, so 253 * this is safe. 254 * 255 * @since 1.1.0 256 * 257 * @see WPDB::has_cap() for a description of parameters and 258 * return values. 259 * 260 * @param string $db_cap See {@link WPDB::has_cap()}. 261 * @param string $_table_name See {@link WPDB::has_cap()}. 262 * @return bool See {@link WPDB::has_cap()}. 263 */ 264 function has_cap( $db_cap, $_table_name='' ) { 265 if ( 'collation' == $db_cap ) 266 return true; 267 268 return parent::has_cap( $db_cap ); 269 } 270 271 /** 272 * Initialize the class variables based on provided arguments. 273 * 274 * Based on, and taken from, the BackPress class in turn taken 275 * from the 1.0 branch of bbPress. 276 * 277 * @see BBDB::__construct() for a description of params. 278 * 279 * @param array $args Array of args to parse. 280 * @return array $args. 281 */ 282 function init( $args ) { 283 if ( 4 == func_num_args() ) { 284 $args = array( 285 'user' => $args, 286 'password' => func_get_arg( 1 ), 287 'name' => func_get_arg( 2 ), 288 'host' => func_get_arg( 3 ), 289 'charset' => defined( 'BBDB_CHARSET' ) ? BBDB_CHARSET : false, 290 'collate' => defined( 'BBDB_COLLATE' ) ? BBDB_COLLATE : false, 291 ); 292 } 293 294 $defaults = array( 295 'user' => false, 296 'password' => false, 297 'name' => false, 298 'host' => 'localhost', 299 'charset' => false, 300 'collate' => false, 301 'errors' => false 302 ); 303 304 return wp_parse_args( $args, $defaults ); 305 } 306 307 /** 308 * Stub for escape_deep() compatibility. 309 * 310 * @since 1.1.0 311 * 312 * @param mixed $data See {@link WPDB::escape_deep()}. 313 * @return mixed $data See {@link WPDB::escape_deep()}. 314 */ 315 function escape_deep( $data ) { 316 return esc_sql( $data ); 317 } 318 } 319 endif; // End class_exists( 'BPDB' ). 320 321 /** 322 * Convert object to given output format. 323 * 324 * The bbPress plugin needs this to convert vars. 325 * 326 * @since 1.1.0 327 * 328 * @param object $object Object to convert. 329 * @param string $output Type of object to return. OBJECT, ARRAY_A, or ARRAY_N. 330 */ 331 function backpress_convert_object( &$object, $output ) { 332 if ( is_array( $object ) ) { 333 foreach ( array_keys( $object ) as $key ) 334 backpress_convert_object( $object[$key], $output ); 335 } else { 336 switch ( $output ) { 337 case OBJECT : break; 338 case ARRAY_A : $object = get_object_vars($object); break; 339 case ARRAY_N : $object = array_values(get_object_vars($object)); break; 340 } 341 } 342 } 343 344 /** 345 * Parse and execute queries for updating a set of database tables. 346 * 347 * Copied from wp-admin/includes/upgrade.php, this will take care of creating 348 * the bbPress stand-alone tables without loading a conflicting WP Admin. 349 * 350 * @since 1.5.0 351 * 352 * @see dbDelta() for a description of parameters and return value. 353 * 354 * @param array $queries See {@link dbDelta()}. 355 * @param bool $execute See {@link dbDelta()}. 356 * @return array See {@link dbDelta()}. 357 */ 358 function bp_bb_dbDelta($queries, $execute = true) { 359 global $wpdb; 360 361 // Separate individual queries into an array. 362 if ( !is_array($queries) ) { 363 $queries = explode( ';', $queries ); 364 if ('' == $queries[count($queries) - 1]) array_pop($queries); 365 } 366 367 $cqueries = array(); // Creation Queries. 368 $iqueries = array(); // Insertion Queries. 369 $for_update = array(); 370 371 // Create a tablename index for an array ($cqueries) of queries. 372 foreach($queries as $qry) { 373 if (preg_match("|CREATE TABLE ([^ ]*)|", $qry, $matches)) { 374 $cqueries[trim( strtolower($matches[1]), '`' )] = $qry; 375 $for_update[$matches[1]] = 'Created table '.$matches[1]; 376 } else if (preg_match("|CREATE DATABASE ([^ ]*)|", $qry, $matches)) { 377 array_unshift($cqueries, $qry); 378 } else if (preg_match("|INSERT INTO ([^ ]*)|", $qry, $matches)) { 379 $iqueries[] = $qry; 380 } else if (preg_match("|UPDATE ([^ ]*)|", $qry, $matches)) { 381 $iqueries[] = $qry; 382 } else { 383 // Unrecognized query type. 384 } 385 } 386 387 // Check to see which tables and fields exist. 388 if ($tables = $wpdb->get_col('SHOW TABLES;')) { 389 // For every table in the database. 390 foreach ($tables as $table) { 391 // Upgrade global tables only for the main site. Don't upgrade at all if DO_NOT_UPGRADE_GLOBAL_TABLES is defined. 392 if ( in_array($table, $wpdb->tables('global')) && ( !is_main_site() || defined('DO_NOT_UPGRADE_GLOBAL_TABLES') ) ) 393 continue; 394 395 // If a table query exists for the database table... 396 if ( array_key_exists(strtolower($table), $cqueries) ) { 397 // Clear the field and index arrays. 398 $cfields = $indices = array(); 399 // Get all of the field names in the query from between the parents. 400 preg_match("|\((.*)\)|ms", $cqueries[strtolower($table)], $match2); 401 $qryline = trim($match2[1]); 402 403 // Separate field lines into an array. 404 $flds = explode("\n", $qryline); 405 406 //echo "<hr/><pre>\n".print_r(strtolower($table), true).":\n".print_r($cqueries, true)."</pre><hr/>"; 407 408 // For every field line specified in the query. 409 foreach ($flds as $fld) { 410 // Extract the field name. 411 preg_match("|^([^ ]*)|", trim($fld), $fvals); 412 $fieldname = trim( $fvals[1], '`' ); 413 414 // Verify the found field name. 415 $validfield = true; 416 switch (strtolower($fieldname)) { 417 case '': 418 case 'primary': 419 case 'index': 420 case 'fulltext': 421 case 'unique': 422 case 'key': 423 $validfield = false; 424 $indices[] = trim(trim($fld), ", \n"); 425 break; 426 } 427 $fld = trim($fld); 428 429 // If it's a valid field, add it to the field array. 430 if ($validfield) { 431 $cfields[strtolower($fieldname)] = trim($fld, ", \n"); 432 } 433 } 434 435 // Fetch the table column structure from the database. 436 $tablefields = $wpdb->get_results("DESCRIBE {$table};"); 437 438 // For every field in the table. 439 foreach ($tablefields as $tablefield) { 440 // If the table field exists in the field array... 441 if (array_key_exists(strtolower($tablefield->Field), $cfields)) { 442 // Get the field type from the query. 443 preg_match("|".$tablefield->Field." ([^ ]*( unsigned)?)|i", $cfields[strtolower($tablefield->Field)], $matches); 444 $fieldtype = $matches[1]; 445 446 // Is actual field type different from the field type in query? 447 if ($tablefield->Type != $fieldtype) { 448 // Add a query to change the column type. 449 $cqueries[] = "ALTER TABLE {$table} CHANGE COLUMN {$tablefield->Field} " . $cfields[strtolower($tablefield->Field)]; 450 $for_update[$table.'.'.$tablefield->Field] = "Changed type of {$table}.{$tablefield->Field} from {$tablefield->Type} to {$fieldtype}"; 451 } 452 453 // Get the default value from the array. 454 //echo "{$cfields[strtolower($tablefield->Field)]}<br>"; 455 if (preg_match("| DEFAULT '(.*)'|i", $cfields[strtolower($tablefield->Field)], $matches)) { 456 $default_value = $matches[1]; 457 if ($tablefield->Default != $default_value) { 458 // Add a query to change the column's default value. 459 $cqueries[] = "ALTER TABLE {$table} ALTER COLUMN {$tablefield->Field} SET DEFAULT '{$default_value}'"; 460 $for_update[$table.'.'.$tablefield->Field] = "Changed default value of {$table}.{$tablefield->Field} from {$tablefield->Default} to {$default_value}"; 461 } 462 } 463 464 // Remove the field from the array (so it's not added). 465 unset($cfields[strtolower($tablefield->Field)]); 466 } else { 467 // This field exists in the table, but not in the creation queries? 468 } 469 } 470 471 // For every remaining field specified for the table. 472 foreach ($cfields as $fieldname => $fielddef) { 473 // Push a query line into $cqueries that adds the field to that table. 474 $cqueries[] = "ALTER TABLE {$table} ADD COLUMN $fielddef"; 475 $for_update[$table.'.'.$fieldname] = 'Added column '.$table.'.'.$fieldname; 476 } 477 478 // Index stuff goes here 479 // Fetch the table index structure from the database. 480 $tableindices = $wpdb->get_results("SHOW INDEX FROM {$table};"); 481 482 if ($tableindices) { 483 // Clear the index array. 484 unset($index_ary); 485 486 // For every index in the table. 487 foreach ($tableindices as $tableindex) { 488 // Add the index to the index data array. 489 $keyname = $tableindex->Key_name; 490 $index_ary[$keyname]['columns'][] = array('fieldname' => $tableindex->Column_name, 'subpart' => $tableindex->Sub_part); 491 $index_ary[$keyname]['unique'] = ($tableindex->Non_unique == 0)?true:false; 492 } 493 494 // For each actual index in the index array. 495 foreach ($index_ary as $index_name => $index_data) { 496 // Build a create string to compare to the query. 497 $index_string = ''; 498 if ($index_name == 'PRIMARY') { 499 $index_string .= 'PRIMARY '; 500 } else if($index_data['unique']) { 501 $index_string .= 'UNIQUE '; 502 } 503 $index_string .= 'KEY '; 504 if ($index_name != 'PRIMARY') { 505 $index_string .= $index_name; 506 } 507 $index_columns = ''; 508 // For each column in the index. 509 foreach ($index_data['columns'] as $column_data) { 510 if ($index_columns != '') $index_columns .= ','; 511 // Add the field to the column list string. 512 $index_columns .= $column_data['fieldname']; 513 if ($column_data['subpart'] != '') { 514 $index_columns .= '('.$column_data['subpart'].')'; 515 } 516 } 517 // Add the column list to the index create string. 518 $index_string .= ' ('.$index_columns.')'; 519 if (!(($aindex = array_search($index_string, $indices)) === false)) { 520 unset($indices[$aindex]); 521 //echo "<pre style=\"border:1px solid #ccc;margin-top:5px;\">{$table}:<br />Found index:".$index_string."</pre>\n"; 522 } 523 //else echo "<pre style=\"border:1px solid #ccc;margin-top:5px;\">{$table}:<br /><b>Did not find index:</b>".$index_string."<br />".print_r($indices, true)."</pre>\n"; 524 } 525 } 526 527 // For every remaining index specified for the table. 528 foreach ( (array) $indices as $index ) { 529 // Push a query line into $cqueries that adds the index to that table. 530 $cqueries[] = "ALTER TABLE {$table} ADD $index"; 531 $for_update[$table.'.'.$fieldname] = 'Added index '.$table.' '.$index; 532 } 533 534 // Remove the original table creation query from processing. 535 unset($cqueries[strtolower($table)]); 536 unset($for_update[strtolower($table)]); 537 } else { 538 // This table exists in the database, but not in the creation queries? 539 } 540 } 541 } 542 543 $allqueries = array_merge($cqueries, $iqueries); 544 if ($execute) { 545 foreach ($allqueries as $query) { 546 //echo "<pre style=\"border:1px solid #ccc;margin-top:5px;\">".print_r($query, true)."</pre>\n"; 547 $wpdb->query($query); 548 } 549 } 550 551 return $for_update; 552 }
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| Generated: Thu Dec 7 01:01:35 2017 | Cross-referenced by PHPXref 0.7.1 |