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<?php
/**
* New User Administration Screen.
*
* @package WordPress
* @subpackage Administration
*/

/** WordPress Administration Bootstrap */
require_once('./admin.php');

if ( is_multisite() ) {
if ( ! current_user_can( 'create_users' ) && ! current_user_can( 'promote_users' ) )
wp_die( __( 'Cheatin&#8217; uh?' ) );
} elseif ( ! current_user_can( 'create_users' ) ) {
wp_die( __( 'Cheatin&#8217; uh?' ) );
}

if ( is_multisite() ) {
function admin_created_user_email( $text ) {
/* translators: 1: Site name, 2: site URL, 3: role */
return sprintf( __( 'Hi,
You\'ve been invited to join \'%1$s\' at
%2$s with the role of %3$s.
If you do not want to join this site please ignore
this email. This invitation will expire in a few days.

Please click the following link to activate your user account:
%%s' ), get_bloginfo('name'), site_url(), esc_html( $_REQUEST[ 'role' ] ) );
}
add_filter( 'wpmu_signup_user_notification_email', 'admin_created_user_email' );

function admin_created_user_subject( $text ) {
return sprintf( __( '[%s] Your site invite' ), get_bloginfo( 'name' ) );
}
}

if ( isset($_REQUEST['action']) && 'adduser' == $_REQUEST['action'] ) {
check_admin_referer( 'add-user', '_wpnonce_add-user' );

$user_details = null;
if ( false !== strpos($_REQUEST[ 'email' ], '@') ) {
$user_details = get_user_by('email', $_REQUEST[ 'email' ]);
} else {
if ( is_super_admin() ) {
$user_details = get_user_by('login', $_REQUEST[ 'email' ]);
} else {
wp_redirect( add_query_arg( array('update' => 'enter_email'), 'user-new.php' ) );
die();
}
}

if ( !$user_details ) {
wp_redirect( add_query_arg( array('update' => 'does_not_exist'), 'user-new.php' ) );
die();
}

if ( ! current_user_can('promote_user', $user_details->ID) )
wp_die(__('Cheatin&#8217; uh?'));

// Adding an existing user to this blog
$new_user_email = $user_details->user_email;
$redirect = 'user-new.php';
$username = $user_details->user_login;
$user_id = $user_details->ID;
if ( ( $username != null && !is_super_admin( $user_id ) ) && ( array_key_exists($blog_id, get_blogs_of_user($user_id)) ) ) {
$redirect = add_query_arg( array('update' => 'addexisting'), 'user-new.php' );
} else {
if ( isset( $_POST[ 'noconfirmation' ] ) && is_super_admin() ) {
add_existing_user_to_blog( array( 'user_id' => $user_id, 'role' => $_REQUEST[ 'role' ] ) );
$redirect = add_query_arg( array('update' => 'addnoconfirmation'), 'user-new.php' );
} else {
$newuser_key = substr( md5( $user_id ), 0, 5 );
add_option( 'new_user_' . $newuser_key, array( 'user_id' => $user_id, 'email' => $user_details->user_email, 'role' => $_REQUEST[ 'role' ] ) );
/* translators: 1: Site name, 2: site URL, 3: role, 4: activation URL */
$message = __( 'Hi,

You\'ve been invited to join \'%1$s\' at
%2$s with the role of %3$s.

Please click the following link to confirm the invite:
%4$s' );
wp_mail( $new_user_email, sprintf( __( '[%s] Joining confirmation' ), get_option( 'blogname' ) ), sprintf($message, get_option('blogname'), site_url(), $_REQUEST[ 'role' ], site_url("/newbloguser/$newuser_key/")));
$redirect = add_query_arg( array('update' => 'add'), 'user-new.php' );
}
}
wp_redirect( $redirect );
die();
} elseif ( isset($_REQUEST['action']) && 'createuser' == $_REQUEST['action'] ) {
check_admin_referer( 'create-user', '_wpnonce_create-user' );

if ( ! current_user_can('create_users') )
wp_die(__('Cheatin&#8217; uh?'));

if ( !is_multisite() ) {
$user_id = add_user();

if ( is_wp_error( $user_id ) ) {
$add_user_errors = $user_id;
} else {
if ( current_user_can('edit_users') ) {
$new_user_login = apply_filters('pre_user_login', sanitize_user(stripslashes($_REQUEST['user_login']), true));
$redirect = 'users.php?usersearch='. urlencode($new_user_login) . '&update=add' . '#user-' . $user_id;
} else {
$redirect = add_query_arg( 'update', 'add', 'user-new.php' );
}
wp_redirect( $redirect );
die();
}
} else {
// Adding a new user to this blog
$user_details = wpmu_validate_user_signup( $_REQUEST[ 'user_login' ], $_REQUEST[ 'email' ] );
unset( $user_details[ 'errors' ]->errors[ 'user_email_used' ] );
if ( is_wp_error( $user_details[ 'errors' ] ) && !empty( $user_details[ 'errors' ]->errors ) ) {
$add_user_errors = $user_details[ 'errors' ];
} else {
$new_user_login = apply_filters('pre_user_login', sanitize_user(stripslashes($_REQUEST['user_login']), true));
if ( isset( $_POST[ 'noconfirmation' ] ) && is_super_admin() ) {
add_filter( 'wpmu_signup_user_notification', '__return_false' ); // Disable confirmation email
}
wpmu_signup_user( $new_user_login, $_REQUEST[ 'email' ], array( 'add_to_blog' => $wpdb->blogid, 'new_role' => $_REQUEST[ 'role' ] ) );
if ( isset( $_POST[ 'noconfirmation' ] ) && is_super_admin() ) {
$key = $wpdb->get_var( $wpdb->prepare( "SELECT activation_key FROM {$wpdb->signups} WHERE user_login = %s AND user_email = %s", $new_user_login, $_REQUEST[ 'email' ] ) );
wpmu_activate_signup( $key );
$redirect = add_query_arg( array('update' => 'addnoconfirmation'), 'user-new.php' );
} else {
$redirect = add_query_arg( array('update' => 'newuserconfimation'), 'user-new.php' );
}
wp_redirect( $redirect );
die();
}
}
}

$title = __('Add New User');
$parent_file = 'users.php';

$do_both = false;
if ( is_multisite() && current_user_can('promote_users') && current_user_can('create_users') )
$do_both = true;

$help = '<p>' . __('To add a new user to your site, fill in the form on this screen and click the Add New User button at the bottom.') . '</p>';

if ( is_multisite() ) {
$help .= '<p>' . __('Because this is a multisite installation, you may add accounts that already exist on the Network by specifying a username or email, and defining a role. For more options, such as specifying a password, you have to be a Network Administrator and use the hover link under an existing user&#8217;s name to Edit the user profile under Network Admin > All Users.') . '</p>' .
'<p>' . __('New users will receive an email letting them know they&#8217;ve been added as a user for your site. This email will also contain their password. Check the box if you don&#8217;t want the user to recieve a welcome email.') . '</p>';
} else {
$help .= '<p>' . __('You must assign a password to the new user, which they can change after logging in. The username, however, cannot be changed.') . '</p>' .
'<p>' . __('New users will receive an email letting them know they&#8217;ve been added as a user for your site. By default, this email will also contain their password. Uncheck the box if you don&#8217;t want the password to be included in the welcome email.') . '</p>';
}

$help .= '<p>' . __('Remember to click the Add New User button at the bottom of this screen when you are finished.') . '</p>';

get_current_screen()->add_help_tab( array(
'id' => 'overview',
'title' => __('Overview'),
'content' => $help,
) );

get_current_screen()->add_help_tab( array(
'id' => 'user-roles',
'title' => __('User Roles'),
'content' => '<p>' . __('Here is a basic overview of the different user roles and the permissions associated with each one:') . '</p>' .
'<ul>' .
'<li>' . __('Administrators have access to all the administration features.') . '</li>' .
'<li>' . __('Editors can publish posts, manage posts as well as manage other people&#8217;s posts, etc.') . '</li>' .
'<li>' . __('Authors can publish and manage their own posts, and are able to upload files.') . '</li>' .
'<li>' . __('Contributors can write and manage their posts but not publish posts or upload media files.') . '</li>' .
'<li>' . __('Subscribers can read comments/comment/receive newsletters, etc. but cannot create regular site content.') . '</li>' .
'</ul>'
) );

get_current_screen()->set_help_sidebar(
    '<p><strong>' . __('For more information:') . '</strong></p>' .
    '<p>' . __('<a href="http://codex.wordpress.org/Users_Add_New_Screen" target="_blank">Documentation on Adding New Users</a>') . '</p>' .
    '<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
);

wp_enqueue_script('wp-ajax-response');
wp_enqueue_script('user-profile');

require_once ('admin-header.php');

if ( isset($_GET['update']) ) {
$messages = array();
if ( is_multisite() ) {
switch ( $_GET['update'] ) {
case "newuserconfimation":
$messages[] = __('Invitation email sent to new user. A confirmation link must be clicked before their account is created.');
break;
case "add":
$messages[] = __('Invitation email sent to user. A confirmation link must be clicked for them to be added to your site.');
break;
case "addnoconfirmation":
$messages[] = __('User has been added to your site.');
break;
case "addexisting":
$messages[] = __('That user is already a member of this site.');
break;
case "does_not_exist":
$messages[] = __('The requested user does not exist.');
break;
case "does_not_exist":
$messages[] = __('Please enter a valid email address.');
break;
}
} else {
if ( 'add' == $_GET['update'] )
$messages[] = __('User added.');
}
}
?>
<div class="wrap">
<?php screen_icon(); ?>
<h2 id="add-new-user"> <?php
if ( current_user_can( 'create_users' ) ) {
echo _x( 'Add New User', 'user' );
} elseif ( current_user_can( 'promote_users' ) ) {
echo _x( 'Add Existing User', 'user' );
} ?>
</h2>

<?php if ( isset($errors) && is_wp_error( $errors ) ) : ?>
<div class="error">
<ul>
<?php
foreach ( $errors->get_error_messages() as $err )
echo "<li>$err</li>\n";
?>
</ul>
</div>
<?php endif;

if ( ! empty( $messages ) ) {
foreach ( $messages as $msg )
echo '<div id="message" class="updated"><p>' . $msg . '</p></div>';
} ?>

<?php if ( isset($add_user_errors) && is_wp_error( $add_user_errors ) ) : ?>
<div class="error">
<?php
foreach ( $add_user_errors->get_error_messages() as $message )
echo "<p>$message</p>";
?>
</div>
<?php endif; ?>
<div id="ajax-response"></div>

<?php
if ( is_multisite() ) {
if ( $do_both )
echo '<h3 id="add-existing-user">' . __('Add Existing User') . '</h3>';
if ( !is_super_admin() ) {
_e( 'Enter the email address of an existing user on this network to invite them to this site. That person will be sent an email asking them to confirm the invite.' );
$label = __('E-mail');
} else {
_e( 'Enter the email address or username of an existing user on this network to invite them to this site. That person will be sent an email asking them to confirm the invite.' );
$label = __('E-mail or Username');
}
?>
<form action="" method="post" name="adduser" id="adduser" class="add:users: validate"<?php do_action('user_new_form_tag');?>>
<input name="action" type="hidden" value="adduser" />
<?php wp_nonce_field( 'add-user', '_wpnonce_add-user' ) ?>

<table class="form-table">
<tr class="form-field form-required">
<th scope="row"><label for="adduser-email"><?php echo $label; ?></label></th>
<td><input name="email" type="text" id="adduser-email" value="" /></td>
</tr>
<tr class="form-field">
<th scope="row"><label for="adduser-role"><?php _e('Role'); ?></label></th>
<td><select name="role" id="adduser-role">
<?php wp_dropdown_roles( get_option('default_role') ); ?>
</select>
</td>
</tr>
<?php if ( is_super_admin() ) { ?>
<tr>
<th scope="row"><label for="adduser-noconfirmation"><?php _e('Skip Confirmation Email') ?></label></th>
<td><label for="adduser-noconfirmation"><input type="checkbox" name="noconfirmation" id="adduser-noconfirmation" value="1" /> <?php _e( 'Add the user without sending them a confirmation email.' ); ?></label></td>
</tr>
<?php } ?>
</table>
<?php submit_button( __( 'Add Existing User '), 'primary', 'adduser', true, array( 'id' => 'addusersub' ) ); ?>
</form>
<?php
} // is_multisite()

if ( current_user_can( 'create_users') ) {
if ( $do_both )
echo '<h3 id="create-new-user">' . __( 'Add New User' ) . '</h3>';
?>
<p><?php _e('Create a brand new user and add it to this site.'); ?></p>
<form action="" method="post" name="createuser" id="createuser" class="add:users: validate"<?php do_action('user_new_form_tag');?>>
<input name="action" type="hidden" value="createuser" />
<?php wp_nonce_field( 'create-user', '_wpnonce_create-user' ) ?>
<?php
// Load up the passed data, else set to a default.
foreach ( array( 'user_login' => 'login', 'first_name' => 'firstname', 'last_name' => 'lastname',
'email' => 'email', 'url' => 'uri', 'role' => 'role', 'send_password' => 'send_password', 'noconfirmation' => 'ignore_pass' ) as $post_field => $var ) {
$var = "new_user_$var";
if( isset( $_POST['createuser'] ) ) {
if ( ! isset($$var) )
$$var = isset( $_POST[$post_field] ) ? stripslashes( $_POST[$post_field] ) : '';
} else {
$$var = false;
}
}

?>
<table class="form-table">
<tr class="form-field form-required">
<th scope="row"><label for="user_login"><?php _e('Username'); ?> <span class="description"><?php _e('(required)'); ?></span></label></th>
<td><input name="user_login" type="text" id="user_login" value="<?php echo esc_attr($new_user_login); ?>" aria-required="true" /></td>
</tr>
<tr class="form-field form-required">
<th scope="row"><label for="email"><?php _e('E-mail'); ?> <span class="description"><?php _e('(required)'); ?></span></label></th>
<td><input name="email" type="text" id="email" value="<?php echo esc_attr($new_user_email); ?>" /></td>
</tr>
<?php if ( !is_multisite() ) { ?>
<tr class="form-field">
<th scope="row"><label for="first_name"><?php _e('First Name') ?> </label></th>
<td><input name="first_name" type="text" id="first_name" value="<?php echo esc_attr($new_user_firstname); ?>" /></td>
</tr>
<tr class="form-field">
<th scope="row"><label for="last_name"><?php _e('Last Name') ?> </label></th>
<td><input name="last_name" type="text" id="last_name" value="<?php echo esc_attr($new_user_lastname); ?>" /></td>
</tr>
<tr class="form-field">
<th scope="row"><label for="url"><?php _e('Website') ?></label></th>
<td><input name="url" type="text" id="url" class="code" value="<?php echo esc_attr($new_user_uri); ?>" /></td>
</tr>
<?php if ( apply_filters('show_password_fields', true) ) : ?>
<tr class="form-field form-required">
<th scope="row"><label for="pass1"><?php _e('Password'); ?> <span class="description"><?php /* translators: password input field */_e('(twice, required)'); ?></span></label></th>
<td><input name="pass1" type="password" id="pass1" autocomplete="off" />
<br />
<input name="pass2" type="password" id="pass2" autocomplete="off" />
<br />
<div id="pass-strength-result"><?php _e('Strength indicator'); ?></div>
<p class="description indicator-hint"><?php _e('Hint: The password should be at least seven characters long. To make it stronger, use upper and lower case letters, numbers and symbols like ! " ? $ % ^ &amp; ).'); ?></p>
</td>
</tr>
<tr>
<th scope="row"><label for="send_password"><?php _e('Send Password?') ?></label></th>
<td><label for="send_password"><input type="checkbox" name="send_password" id="send_password" <?php checked( $new_user_send_password ); ?> /> <?php _e('Send this password to the new user by email.'); ?></label></td>
</tr>
<?php endif; ?>
<?php } // !is_multisite ?>
<tr class="form-field">
<th scope="row"><label for="role"><?php _e('Role'); ?></label></th>
<td><select name="role" id="role">
<?php
if ( !$new_user_role )
$new_user_role = !empty($current_role) ? $current_role : get_option('default_role');
wp_dropdown_roles($new_user_role);
?>
</select>
</td>
</tr>
<?php if ( is_multisite() && is_super_admin() ) { ?>
<tr>
<th scope="row"><label for="noconfirmation"><?php _e('Skip Confirmation Email') ?></label></th>
<td><label for="noconfirmation"><input type="checkbox" name="noconfirmation" id="noconfirmation" value="1" <?php checked( $new_user_ignore_pass ); ?> /> <?php _e( 'Add the user without sending them a confirmation email.' ); ?></label></td>
</tr>
<?php } ?>
</table>

<?php submit_button( __( 'Add New User '), 'primary', 'createuser', true, array( 'id' => 'createusersub' ) ); ?>

</form>
<?php } // current_user_can('create_users') ?>
</div>
<?php
include('./admin-footer.php');
?>
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