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Ticket #23057: user.php

File user.php, 13.3 KB (added by genkisan, 14 years ago)
Line 
1<?php
2/**
3 * WordPress user administration API.
4 *
5 * @package WordPress
6 * @subpackage Administration
7 */
8
9/**
10 * Creates a new user from the "Users" form using $_POST information.
11 *
12 * @since 2.0
13 *
14 * @return null|WP_Error|int Null when adding user, WP_Error or User ID integer when no parameters.
15 */
16function add_user() {
17 return edit_user();
18}
19
20/**
21 * Edit user settings based on contents of $_POST
22 *
23 * Used on user-edit.php and profile.php to manage and process user options, passwords etc.
24 *
25 * @since 2.0
26 *
27 * @param int $user_id Optional. User ID.
28 * @return int user id of the updated user
29 */
30function edit_user( $user_id = 0 ) {
31 global $wp_roles, $wpdb;
32 $user = new stdClass;
33 if ( $user_id ) {
34 $update = true;
35 $user->ID = (int) $user_id;
36 $userdata = get_userdata( $user_id );
37 $user->user_login = $wpdb->escape( $userdata->user_login );
38 } else {
39 $update = false;
40 }
41
42 if ( !$update && isset( $_POST['user_login'] ) )
43 $user->user_login = sanitize_user($_POST['user_login'], true);
44
45 $pass1 = $pass2 = '';
46 if ( isset( $_POST['pass1'] ))
47 $pass1 = $_POST['pass1'];
48 if ( isset( $_POST['pass2'] ))
49 $pass2 = $_POST['pass2'];
50
51 if ( isset( $_POST['role'] ) && current_user_can( 'edit_users' ) ) {
52 $new_role = sanitize_text_field( $_POST['role'] );
53 $potential_role = isset($wp_roles->role_objects[$new_role]) ? $wp_roles->role_objects[$new_role] : false;
54 // Don't let anyone with 'edit_users' (admins) edit their own role to something without it.
55 // Multisite super admins can freely edit their blog roles -- they possess all caps.
56 if ( ( is_multisite() && current_user_can( 'manage_sites' ) ) || $user_id != get_current_user_id() || ($potential_role && $potential_role->has_cap( 'edit_users' ) ) )
57 $user->role = $new_role;
58
59 // If the new role isn't editable by the logged-in user die with error
60 $editable_roles = get_editable_roles();
61 if ( ! empty( $new_role ) && empty( $editable_roles[$new_role] ) )
62 wp_die(__('You can&#8217;t give users that role.'));
63 }
64
65 if ( isset( $_POST['email'] ))
66 $user->user_email = sanitize_text_field( $_POST['email'] );
67 if ( isset( $_POST['url'] ) ) {
68 if ( empty ( $_POST['url'] ) || $_POST['url'] == 'http://' ) {
69 $user->user_url = '';
70 } else {
71 $user->user_url = esc_url_raw( $_POST['url'] );
72 $protocols = implode( '|', array_map( 'preg_quote', wp_allowed_protocols() ) );
73 $user->user_url = preg_match('/^(' . $protocols . '):/is', $user->user_url) ? $user->user_url : 'http://'.$user->user_url;
74 }
75 }
76 if ( isset( $_POST['first_name'] ) )
77 $user->first_name = sanitize_text_field( $_POST['first_name'] );
78 if ( isset( $_POST['last_name'] ) )
79 $user->last_name = sanitize_text_field( $_POST['last_name'] );
80 if ( isset( $_POST['nickname'] ) )
81 $user->nickname = sanitize_text_field( $_POST['nickname'] );
82 if ( isset( $_POST['display_name'] ) )
83 $user->display_name = sanitize_text_field( $_POST['display_name'] );
84
85 if ( isset( $_POST['description'] ) )
86 $user->description = trim( $_POST['description'] );
87
88 foreach ( _wp_get_user_contactmethods( $user ) as $method => $name ) {
89 if ( isset( $_POST[$method] ))
90 $user->$method = sanitize_text_field( $_POST[$method] );
91 }
92
93 if ( $update ) {
94 $user->rich_editing = isset( $_POST['rich_editing'] ) && 'false' == $_POST['rich_editing'] ? 'false' : 'true';
95 $user->admin_color = isset( $_POST['admin_color'] ) ? sanitize_text_field( $_POST['admin_color'] ) : 'fresh';
96 $user->show_admin_bar_front = isset( $_POST['admin_bar_front'] ) ? 'true' : 'false';
97 }
98
99 $user->comment_shortcuts = isset( $_POST['comment_shortcuts'] ) && 'true' == $_POST['comment_shortcuts'] ? 'true' : '';
100
101 $user->use_ssl = 0;
102 if ( !empty($_POST['use_ssl']) )
103 $user->use_ssl = 1;
104
105 $errors = new WP_Error();
106
107 /* checking that username has been typed */
108 if ( $user->user_login == '' )
109 $errors->add( 'user_login', __( '<strong>ERROR</strong>: Please enter a username.' ));
110
111 /* checking the password has been typed twice */
112 do_action_ref_array( 'check_passwords', array ( $user->user_login, & $pass1, & $pass2 ));
113
114 if ( $update ) {
115 if ( empty($pass1) && !empty($pass2) )
116 $errors->add( 'pass', __( '<strong>ERROR</strong>: You entered your new password only once.' ), array( 'form-field' => 'pass1' ) );
117 elseif ( !empty($pass1) && empty($pass2) )
118 $errors->add( 'pass', __( '<strong>ERROR</strong>: You entered your new password only once.' ), array( 'form-field' => 'pass2' ) );
119 } else {
120 if ( empty($pass1) )
121 $errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter your password.' ), array( 'form-field' => 'pass1' ) );
122 elseif ( empty($pass2) )
123 $errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter your password twice.' ), array( 'form-field' => 'pass2' ) );
124 }
125
126 /* Check for "\" in password */
127 if ( false !== strpos( stripslashes($pass1), "\\" ) )
128 $errors->add( 'pass', __( '<strong>ERROR</strong>: Passwords may not contain the character "\\".' ), array( 'form-field' => 'pass1' ) );
129
130 /* checking the password has been typed twice the same */
131 if ( $pass1 != $pass2 )
132 $errors->add( 'pass', __( '<strong>ERROR</strong>: Please enter the same password in the two password fields.' ), array( 'form-field' => 'pass1' ) );
133
134 if ( !empty( $pass1 ) )
135 $user->user_pass = $pass1;
136
137 if ( !$update && isset( $_POST['user_login'] ) && !validate_username( $_POST['user_login'] ) )
138 $errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is invalid because it uses illegal characters. Please enter a valid username.' ));
139
140 if ( !$update && username_exists( $user->user_login ) )
141 $errors->add( 'user_login', __( '<strong>ERROR</strong>: This username is already registered. Please choose another one.' ));
142
143 /* checking e-mail address */
144 if ( empty( $user->user_email ) ) {
145 $errors->add( 'empty_email', __( '<strong>ERROR</strong>: Please enter an e-mail address.' ), array( 'form-field' => 'email' ) );
146 } elseif ( !is_email( $user->user_email ) ) {
147 $errors->add( 'invalid_email', __( '<strong>ERROR</strong>: The email address isn&#8217;t correct.' ), array( 'form-field' => 'email' ) );
148 } elseif ( ( $owner_id = email_exists($user->user_email) ) && ( !$update || ( $owner_id != $user->ID ) ) ) {
149 $errors->add( 'email_exists', __('<strong>ERROR</strong>: This email is already registered, please choose another one.'), array( 'form-field' => 'email' ) );
150 }
151
152 // Allow plugins to return their own errors.
153 do_action_ref_array('user_profile_update_errors', array ( &$errors, $update, &$user ) );
154
155 if ( $errors->get_error_codes() )
156 return $errors;
157
158 if ( $update ) {
159 $user_id = wp_update_user( $user );
160 } else {
161 $user_id = wp_insert_user( $user );
162 wp_new_user_notification( $user_id, isset($_POST['send_password']) ? $pass1 : '' );
163 }
164 return $user_id;
165}
166
167/**
168 * Fetch a filtered list of user roles that the current user is
169 * allowed to edit.
170 *
171 * Simple function who's main purpose is to allow filtering of the
172 * list of roles in the $wp_roles object so that plugins can remove
173 * inappropriate ones depending on the situation or user making edits.
174 * Specifically because without filtering anyone with the edit_users
175 * capability can edit others to be administrators, even if they are
176 * only editors or authors. This filter allows admins to delegate
177 * user management.
178 *
179 * @since 2.8
180 *
181 * @return unknown
182 */
183function get_editable_roles() {
184 global $wp_roles;
185
186 $all_roles = $wp_roles->roles;
187 $editable_roles = apply_filters('editable_roles', $all_roles);
188
189 return $editable_roles;
190}
191
192/**
193 * Retrieve user data and filter it.
194 *
195 * @since 2.0.5
196 *
197 * @param int $user_id User ID.
198 * @return object WP_User object with user data.
199 */
200function get_user_to_edit( $user_id ) {
201 $user = get_userdata( $user_id );
202
203 $user->filter = 'edit';
204
205 return $user;
206}
207
208/**
209 * Retrieve the user's drafts.
210 *
211 * @since 2.0.0
212 *
213 * @param int $user_id User ID.
214 * @return array
215 */
216function get_users_drafts( $user_id ) {
217 global $wpdb;
218 $query = $wpdb->prepare("SELECT ID, post_title FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'draft' AND post_author = %d ORDER BY post_modified DESC", $user_id);
219 $query = apply_filters('get_users_drafts', $query);
220 return $wpdb->get_results( $query );
221}
222
223/**
224 * Remove user and optionally reassign posts and links to another user.
225 *
226 * If the $reassign parameter is not assigned to an User ID, then all posts will
227 * be deleted of that user. The action 'delete_user' that is passed the User ID
228 * being deleted will be run after the posts are either reassigned or deleted.
229 * The user meta will also be deleted that are for that User ID.
230 *
231 * @since 2.0.0
232 *
233 * @param int $id User ID.
234 * @param int $reassign Optional. Reassign posts and links to new User ID.
235 * @return bool True when finished.
236 */
237function wp_delete_user( $id, $reassign = 'novalue' ) {
238 global $wpdb;
239
240 $id = (int) $id;
241 $user = new WP_User( $id );
242
243 // allow for transaction statement
244 do_action('delete_user', $id, $reassign);
245
246 if ( 'novalue' === $reassign || null === $reassign ) {
247 $post_types_to_delete = array();
248 foreach ( get_post_types( array(), 'objects' ) as $post_type ) {
249 if ( $post_type->delete_with_user ) {
250 $post_types_to_delete[] = $post_type->name;
251 } elseif ( null === $post_type->delete_with_user && post_type_supports( $post_type->name, 'author' ) ) {
252 $post_types_to_delete[] = $post_type->name;
253 }
254 }
255
256 $post_types_to_delete = apply_filters( 'post_types_to_delete_with_user', $post_types_to_delete, $id );
257 $post_types_to_delete = implode( "', '", $post_types_to_delete );
258 $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d AND post_type IN ('$post_types_to_delete')", $id ) );
259 if ( $post_ids ) {
260 foreach ( $post_ids as $post_id )
261 wp_delete_post( $post_id );
262 }
263
264 // Clean links
265 $link_ids = $wpdb->get_col( $wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id) );
266
267 if ( $link_ids ) {
268 foreach ( $link_ids as $link_id )
269 wp_delete_link($link_id);
270 }
271 } else {
272 $reassign = (int) $reassign;
273 $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id ) );
274 $wpdb->update( $wpdb->posts, array('post_author' => $reassign), array('post_author' => $id) );
275 if ( ! empty( $post_ids ) ) {
276 foreach ( $post_ids as $post_id )
277 clean_post_cache( $post_id );
278 }
279 $link_ids = $wpdb->get_col( $wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id) );
280 $wpdb->update( $wpdb->links, array('link_owner' => $reassign), array('link_owner' => $id) );
281 if ( ! empty( $link_ids ) ) {
282 foreach ( $link_ids as $link_id )
283 clean_bookmark_cache( $link_id );
284 }
285 }
286
287 // FINALLY, delete user
288 if ( is_multisite() ) {
289 remove_user_from_blog( $id, get_current_blog_id() );
290 } else {
291 $meta = $wpdb->get_col( $wpdb->prepare( "SELECT umeta_id FROM $wpdb->usermeta WHERE user_id = %d", $id ) );
292 foreach ( $meta as $mid )
293 delete_metadata_by_mid( 'user', $mid );
294
295 $wpdb->delete( $wpdb->users, array( 'ID' => $id ) );
296 }
297
298 clean_user_cache( $user );
299
300 // allow for commit transaction
301 do_action('deleted_user', $id, $reassign);
302
303 return true;
304}
305
306/**
307 * Remove all capabilities from user.
308 *
309 * @since 2.1.0
310 *
311 * @param int $id User ID.
312 */
313function wp_revoke_user($id) {
314 $id = (int) $id;
315
316 $user = new WP_User($id);
317 $user->remove_all_caps();
318}
319
320add_action('admin_init', 'default_password_nag_handler');
321/**
322 * @since 2.8.0
323 */
324function default_password_nag_handler($errors = false) {
325 global $user_ID;
326 if ( ! get_user_option('default_password_nag') ) //Short circuit it.
327 return;
328
329 //get_user_setting = JS saved UI setting. else no-js-fallback code.
330 if ( 'hide' == get_user_setting('default_password_nag') || isset($_GET['default_password_nag']) && '0' == $_GET['default_password_nag'] ) {
331 delete_user_setting('default_password_nag');
332 update_user_option($user_ID, 'default_password_nag', false, true);
333 }
334}
335
336add_action('profile_update', 'default_password_nag_edit_user', 10, 2);
337/**
338 * @since 2.8.0
339 */
340function default_password_nag_edit_user($user_ID, $old_data) {
341 if ( ! get_user_option('default_password_nag', $user_ID) ) //Short circuit it.
342 return;
343
344 $new_data = get_userdata($user_ID);
345
346 if ( $new_data->user_pass != $old_data->user_pass ) { //Remove the nag if the password has been changed.
347 delete_user_setting('default_password_nag', $user_ID);
348 update_user_option($user_ID, 'default_password_nag', false, true);
349 }
350}
351
352add_action('admin_notices', 'default_password_nag');
353/**
354 * @since 2.8.0
355 */
356function default_password_nag() {
357 global $pagenow;
358 if ( 'profile.php' == $pagenow || ! get_user_option('default_password_nag') ) //Short circuit it.
359 return;
360
361 echo '<div class="error default-password-nag">';
362 echo '<p>';
363 echo '<strong>' . __('Notice:') . '</strong> ';
364 _e('You&rsquo;re using the auto-generated password for your account. Would you like to change it to something easier to remember?');
365 echo '</p><p>';
366 printf( '<a href="%s">' . __('Yes, take me to my profile page') . '</a> | ', get_edit_profile_url( get_current_user_id() ) . '#password' );
367 printf( '<a href="%s" id="default-password-nag-no">' . __('No thanks, do not remind me again') . '</a>', '?default_password_nag=0' );
368 echo '</p></div>';
369}