1 files changed, 284 insertions, 0 deletions
diff --git a/wp-admin/includes/user.php b/wp-admin/includes/user.php
new file mode 100644
index 0000000..ca15057
--- /dev/null
+++ b/wp-admin/includes/user.php
@@ -0,0 +1,284 @@
+<?php
+
+// Creates a new user from the "Users" form using $_POST information.
+function add_user() {
+	if ( func_num_args() ) { // The hackiest hack that ever did hack
+		global $current_user, $wp_roles;
+		$user_id = (int) func_get_arg( 0 );
+
+		if ( isset( $_POST['role'] ) ) {
+			if( $user_id != $current_user->id || $wp_roles->role_objects[$_POST['role']]->has_cap( 'edit_users' ) ) {
+				$user = new WP_User( $user_id );
+				$user->set_role( $_POST['role'] );
+			}
+		}
+	} else {
+		add_action( 'user_register', 'add_user' ); // See above
+		return edit_user();
+	}
+}
+
+function edit_user( $user_id = 0 ) {
+	global $current_user, $wp_roles, $wpdb;
+	if ( $user_id != 0 ) {
+		$update = true;
+		$user->ID = (int) $user_id;
+		$userdata = get_userdata( $user_id );
+		$user->user_login = $wpdb->escape( $userdata->user_login );
+	} else {
+		$update = false;
+		$user = '';
+	}
+
+	if ( isset( $_POST['user_login'] ))
+		$user->user_login = wp_specialchars( trim( $_POST['user_login'] ));
+
+	$pass1 = $pass2 = '';
+	if ( isset( $_POST['pass1'] ))
+		$pass1 = $_POST['pass1'];
+	if ( isset( $_POST['pass2'] ))
+		$pass2 = $_POST['pass2'];
+
+	if ( isset( $_POST['role'] ) && current_user_can( 'edit_users' ) ) {
+		if( $user_id != $current_user->id || $wp_roles->role_objects[$_POST['role']]->has_cap( 'edit_users' ))
+			$user->role = $_POST['role'];
+	}
+
+	if ( isset( $_POST['email'] ))
+		$user->user_email = wp_specialchars( trim( $_POST['email'] ));
+	if ( isset( $_POST['url'] ) ) {
+		$user->user_url = clean_url( trim( $_POST['url'] ));
+		$user->user_url = preg_match('/^(https?|ftps?|mailto|news|irc|gopher|nntp|feed|telnet):/is', $user->user_url) ? $user->user_url : 'http://'.$user->user_url;
+	}
+	if ( isset( $_POST['first_name'] ))
+		$user->first_name = wp_specialchars( trim( $_POST['first_name'] ));
+	if ( isset( $_POST['last_name'] ))
+		$user->last_name = wp_specialchars( trim( $_POST['last_name'] ));
+	if ( isset( $_POST['nickname'] ))
+		$user->nickname = wp_specialchars( trim( $_POST['nickname'] ));
+	if ( isset( $_POST['display_name'] ))
+		$user->display_name = wp_specialchars( trim( $_POST['display_name'] ));
+	if ( isset( $_POST['description'] ))
+		$user->description = trim( $_POST['description'] );
+	if ( isset( $_POST['jabber'] ))
+		$user->jabber = wp_specialchars( trim( $_POST['jabber'] ));
+	if ( isset( $_POST['aim'] ))
+		$user->aim = wp_specialchars( trim( $_POST['aim'] ));
+	if ( isset( $_POST['yim'] ))
+		$user->yim = wp_specialchars( trim( $_POST['yim'] ));
+	if ( !$update )
+		$user->rich_editing = 'true';  // Default to true for new users.
+	else if ( isset( $_POST['rich_editing'] ) )
+		$user->rich_editing = $_POST['rich_editing'];
+	else
+		$user->rich_editing = 'false';
+
+	$errors = new WP_Error();
+
+	/* checking that username has been typed */
+	if ( $user->user_login == '' )
+		$errors->add( 'user_login', __( '<strong>ERROR</strong>: Please enter a username.' ));
+
+	/* checking the password has been typed twice */
+	do_action_ref_array( 'check_passwords', array ( $user->user_login, & $pass1, & $pass2 ));
+
+	if (!$update ) {
+		if ( $pass1 == '' || $pass2 == '' )
+			$errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter your password twice.' ));
+	} else {
+		if ((empty ( $pass1 ) && !empty ( $pass2 ) ) || (empty ( $pass2 ) && !empty ( $pass1 ) ) )
+			$errors->add( 'pass', __( "<strong>ERROR</strong>: you typed your new password only once." ));
+	}
+
+	/* Check for "\" in password */
+	if( strpos( " ".$pass1, "\\" ) )
+		$errors->add( 'pass', __( '<strong>ERROR</strong>: Passwords may not contain the character "\\".' ));
+
+	/* checking the password has been typed twice the same */
+	if ( $pass1 != $pass2 )
+		$errors->add( 'pass', __( '<strong>ERROR</strong>: Please type the same password in the two password fields.' ));
+
+	if (!empty ( $pass1 ))
+		$user->user_pass = $pass1;
+
+	if ( !$update && !validate_username( $user->user_login ) )
+		$errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is invalid.  Please enter a valid username.' ));
+
+	if (!$update && username_exists( $user->user_login ))
+		$errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is already registered, please choose another one.' ));
+
+	/* checking e-mail address */
+	if ( empty ( $user->user_email ) ) {
+		$errors->add( 'user_email', __( "<strong>ERROR</strong>: please type an e-mail address" ));
+	} else
+		if (!is_email( $user->user_email ) ) {
+			$errors->add( 'user_email', __( "<strong>ERROR</strong>: the email address isn't correct" ));
+		}
+
+	if ( $errors->get_error_codes() )
+		return $errors;
+
+	if ( $update ) {
+		$user_id = wp_update_user( get_object_vars( $user ));
+	} else {
+		$user_id = wp_insert_user( get_object_vars( $user ));
+		wp_new_user_notification( $user_id );
+	}
+	return $user_id;
+}
+
+function get_author_user_ids() {
+	global $wpdb;
+	// wpmu site admins don't have user_levels
+	$level_key = $wpdb->prefix . 'capabilities';
+
+	$query = "SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '$level_key' AND meta_value != '0'";
+
+	return $wpdb->get_col( $query );
+}
+
+function get_editable_authors( $user_id ) {
+	global $wpdb;
+
+	$editable = get_editable_user_ids( $user_id );
+
+	if( !$editable ) {
+		return false;
+	} else {
+		$editable = join(',', $editable);
+		$authors = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($editable) ORDER BY display_name" );
+	}
+
+	return apply_filters('get_editable_authors', $authors);
+}
+
+function get_editable_user_ids( $user_id, $exclude_zeros = true ) {
+	global $wpdb;
+
+	$user = new WP_User( $user_id );
+
+	if ( ! $user->has_cap('edit_others_posts') ) {
+		if ( $user->has_cap('edit_posts') || $exclude_zeros == false )
+			return array($user->id);
+		else
+			return false;
+	}
+
+	// wpmu site admins don't have user_levels
+	$level_key = $wpdb->prefix . 'capabilities';
+
+	$query = "SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '$level_key'";
+	if ( $exclude_zeros )
+		$query .= " AND meta_value != 'a:1:{s:10:\"subscriber\";b:1;}'";
+
+	return $wpdb->get_col( $query );
+}
+
+function get_nonauthor_user_ids() {
+	global $wpdb;
+	// wpmu site admins don't have user_levels
+	$level_key = $wpdb->prefix . 'capabilities';
+
+	$query = "SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '$level_key' AND meta_value = '0'";
+
+	return $wpdb->get_col( $query );
+}
+
+function get_others_unpublished_posts($user_id, $type='any') {
+	global $wpdb;
+	$user = get_userdata( $user_id );
+	$level_key = $wpdb->prefix . 'user_level';
+
+	$editable = get_editable_user_ids( $user_id );
+
+	if ( in_array($type, array('draft', 'pending')) )
+		$type_sql = " post_status = '$type' ";
+	else
+		$type_sql = " ( post_status = 'draft' OR post_status = 'pending' ) ";
+
+	$dir = ( 'pending' == $type ) ? 'ASC' : 'DESC';
+
+	if( !$editable ) {
+		$other_unpubs = '';
+	} else {
+		$editable = join(',', $editable);
+		$other_unpubs = $wpdb->get_results("SELECT ID, post_title, post_author FROM $wpdb->posts WHERE post_type = 'post' AND $type_sql AND post_author IN ($editable) AND post_author != '$user_id' ORDER BY post_modified $dir");
+	}
+
+	return apply_filters('get_others_drafts', $other_unpubs);
+}
+
+function get_others_drafts($user_id) {
+	return get_others_unpublished_posts($user_id, 'draft');
+}
+
+function get_others_pending($user_id) {
+	return get_others_unpublished_posts($user_id, 'pending');
+}
+
+function get_user_to_edit( $user_id ) {
+	$user = new WP_User( $user_id );
+	$user->user_login   = attribute_escape($user->user_login);
+	$user->user_email   = attribute_escape($user->user_email);
+	$user->user_url     = clean_url($user->user_url);
+	$user->first_name   = attribute_escape($user->first_name);
+	$user->last_name    = attribute_escape($user->last_name);
+	$user->display_name = attribute_escape($user->display_name);
+	$user->nickname     = attribute_escape($user->nickname);
+	$user->aim          = attribute_escape($user->aim);
+	$user->yim          = attribute_escape($user->yim);
+	$user->jabber       = attribute_escape($user->jabber);
+	$user->description  =  wp_specialchars($user->description);
+
+	return $user;
+}
+
+function get_users_drafts( $user_id ) {
+	global $wpdb;
+	$user_id = (int) $user_id;
+	$query = "SELECT ID, post_title FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'draft' AND post_author = $user_id ORDER BY post_modified DESC";
+	$query = apply_filters('get_users_drafts', $query);
+	return $wpdb->get_results( $query );
+}
+
+function wp_delete_user($id, $reassign = 'novalue') {
+	global $wpdb;
+
+	$id = (int) $id;
+	$user = get_userdata($id);
+
+	if ($reassign == 'novalue') {
+		$post_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_author = $id");
+
+		if ($post_ids) {
+			foreach ($post_ids as $post_id)
+				wp_delete_post($post_id);
+		}
+
+		// Clean links
+		$wpdb->query("DELETE FROM $wpdb->links WHERE link_owner = $id");
+	} else {
+		$reassign = (int) $reassign;
+		$wpdb->query("UPDATE $wpdb->posts SET post_author = {$reassign} WHERE post_author = {$id}");
+		$wpdb->query("UPDATE $wpdb->links SET link_owner = {$reassign} WHERE link_owner = {$id}");
+	}
+
+	// FINALLY, delete user
+	do_action('delete_user', $id);
+
+	$wpdb->query("DELETE FROM $wpdb->usermeta WHERE user_id = $id AND meta_key = '{$wpdb->prefix}capabilities'");
+
+	wp_cache_delete($id, 'users');
+	wp_cache_delete($user->user_login, 'userlogins');
+
+	return true;
+}
+
+function wp_revoke_user($id) {
+	$id = (int) $id;
+
+	$user = new WP_User($id);
+	$user->remove_all_caps();
+}
+
+?>