options = (array) get_option( 'simple_local_avatars' ); $this->avatar_ratings = array( 'G' => __('G — Suitable for all audiences'), 'PG' => __('PG — Possibly offensive, usually for audiences 13 and above'), 'R' => __('R — Intended for adult audiences above 17'), 'X' => __('X — Even more mature than above') ); // supplement remote avatars, but not if inside "local only" mode if ( empty( $this->options['only'] ) ) add_filter( 'get_avatar', array( $this, 'get_avatar' ), 10, 5 ); add_action( 'admin_init', array( $this, 'admin_init' ) ); add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) ); add_action( 'show_user_profile', array( $this, 'edit_user_profile' ) ); add_action( 'edit_user_profile', array( $this, 'edit_user_profile' ) ); add_action( 'personal_options_update', array( $this, 'edit_user_profile_update' ) ); add_action( 'edit_user_profile_update', array( $this, 'edit_user_profile_update' ) ); add_action( 'admin_action_remove-simple-local-avatar', array( $this, 'action_remove_simple_local_avatar' ) ); add_action( 'wp_ajax_assign_simple_local_avatar_media', array( $this, 'ajax_assign_simple_local_avatar_media' ) ); add_action( 'wp_ajax_remove_simple_local_avatar', array( $this, 'action_remove_simple_local_avatar' ) ); add_action( 'user_edit_form_tag', array( $this, 'user_edit_form_tag' ) ); add_filter( 'avatar_defaults', array( $this, 'avatar_defaults' ) ); add_action( 'rest_api_init', array( $this, 'register_rest_fields' ) ); } /** * Retrieve the local avatar for a user who provided a user ID or email address. * * @param string $avatar Avatar return by original function * @param int|string|object $id_or_email A user ID, email address, or comment object * @param int $size Size of the avatar image * @param string $default URL to a default image to use if no avatar is available * @param string $alt Alternative text to use in image tag. Defaults to blank * @return string tag for the user's avatar */ public function get_avatar( $avatar = '', $id_or_email = '', $size = 96, $default = '', $alt = '' ) { if ( is_numeric( $id_or_email ) ) $user_id = (int) $id_or_email; elseif ( is_string( $id_or_email ) && ( $user = get_user_by( 'email', $id_or_email ) ) ) $user_id = $user->ID; elseif ( is_object( $id_or_email ) && ! empty( $id_or_email->user_id ) ) $user_id = (int) $id_or_email->user_id; if ( empty( $user_id ) ) return $avatar; // fetch local avatar from meta and make sure it's properly ste $local_avatars = get_user_meta( $user_id, 'simple_local_avatar', true ); if ( empty( $local_avatars['full'] ) ) return $avatar; // check rating $avatar_rating = get_user_meta( $user_id, 'simple_local_avatar_rating', true ); if ( ! empty( $avatar_rating ) && 'G' != $avatar_rating && ( $site_rating = get_option( 'avatar_rating' ) ) ) { $ratings = array_keys( $this->avatar_ratings ); $site_rating_weight = array_search( $site_rating, $ratings ); $avatar_rating_weight = array_search( $avatar_rating, $ratings ); if ( false !== $avatar_rating_weight && $avatar_rating_weight > $site_rating_weight ) return $avatar; } // handle "real" media if ( ! empty( $local_avatars['media_id'] ) ) { // has the media been deleted? if ( ! $avatar_full_path = get_attached_file( $local_avatars['media_id'] ) ) { return $avatar; } } $size = (int) $size; if ( empty( $alt ) ) $alt = get_the_author_meta( 'display_name', $user_id ); // generate a new size if ( ! array_key_exists( $size, $local_avatars ) ) { $local_avatars[$size] = $local_avatars['full']; // just in case of failure elsewhere // allow automatic rescaling to be turned off if ( $allow_dynamic_resizing = apply_filters( 'simple_local_avatars_dynamic_resize', true ) ) : $upload_path = wp_upload_dir(); // get path for image by converting URL, unless its already been set, thanks to using media library approach if ( ! isset( $avatar_full_path ) ) $avatar_full_path = str_replace( $upload_path['baseurl'], $upload_path['basedir'], $local_avatars['full'] ); // generate the new size $editor = wp_get_image_editor( $avatar_full_path ); if ( ! is_wp_error( $editor ) ) { $resized = $editor->resize( $size, $size, true ); if ( ! is_wp_error( $resized ) ) { $dest_file = $editor->generate_filename(); $saved = $editor->save( $dest_file ); if ( ! is_wp_error( $saved ) ) $local_avatars[$size] = str_replace( $upload_path['basedir'], $upload_path['baseurl'], $dest_file ); } } // save updated avatar sizes update_user_meta( $user_id, 'simple_local_avatar', $local_avatars ); endif; } if ( 'http' != substr( $local_avatars[$size], 0, 4 ) ) $local_avatars[$size] = home_url( $local_avatars[$size] ); $author_class = is_author( $user_id ) ? ' current-author' : '' ; $avatar = "" . esc_attr( $alt ) . ""; return apply_filters( 'simple_local_avatar', $avatar ); } public function admin_init() { // upgrade pre 2.0 option if ( $old_ops = get_option( 'simple_local_avatars_caps' ) ) { if ( ! empty( $old_ops['simple_local_avatars_caps'] ) ) update_option( 'simple_local_avatars', array( 'caps' => 1 ) ); delete_option( 'simple_local_avatar_caps' ); } register_setting( 'discussion', 'simple_local_avatars', array( $this, 'sanitize_options' ) ); add_settings_field( 'simple-local-avatars-only', __('Local Avatars Only','simple-local-avatars'), array( $this, 'avatar_settings_field' ), 'discussion', 'avatars', array( 'key' => 'only', 'desc' => __( 'Only allow local avatars (still uses Gravatar for default avatars)', 'simple-local-avatars' ) ) ); add_settings_field( 'simple-local-avatars-caps', __('Local Upload Permissions','simple-local-avatars'), array( $this, 'avatar_settings_field' ), 'discussion', 'avatars', array( 'key' => 'caps', 'desc' => __( 'Only allow users with file upload capabilities to upload local avatars (Authors and above)', 'simple-local-avatars' ) ) ); } /** * Add scripts to the profile editing page * * @param string $hook_suffix Page hook */ public function admin_enqueue_scripts( $hook_suffix ) { if ( 'profile.php' != $hook_suffix && 'user-edit.php' != $hook_suffix ) return; if ( current_user_can( 'upload_files' ) ) wp_enqueue_media(); $user_id = ( 'profile.php' == $hook_suffix ) ? get_current_user_id() : (int) $_GET['user_id']; $this->remove_nonce = wp_create_nonce( 'remove_simple_local_avatar_nonce' ); $script_name_append = ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ? '.dev' : ''; wp_enqueue_script( 'simple-local-avatars', plugins_url( '', __FILE__ ) . '/simple-local-avatars' . $script_name_append . '.js', array('jquery'), false, true ); wp_localize_script( 'simple-local-avatars', 'i10n_SimpleLocalAvatars', array( 'user_id' => $user_id, 'insertMediaTitle' => __('Choose an Avatar','simple-local-avatars'), 'insertIntoPost' => __('Set as avatar','simple-local-avatars'), 'deleteNonce' => $this->remove_nonce, 'mediaNonce' => wp_create_nonce( 'assign_simple_local_avatar_nonce' ), ) ); } /** * Sanitize new settings field before saving * * @param array|string $input Passed input values to sanitize * @return array|string Sanitized input fields */ public function sanitize_options( $input ) { $new_input['caps'] = empty( $input['caps'] ) ? 0 : 1; $new_input['only'] = empty( $input['only'] ) ? 0 : 1; return $new_input; } /** * Settings field for avatar upload capabilities * * @param array $args Field arguments */ public function avatar_settings_field( $args ) { $args = wp_parse_args( $args, array( 'key' => '', 'desc' => '', ) ); if ( empty( $this->options[$args['key']] ) ) $this->options[$args['key']] = 0; echo ' '; } /** * Output new Avatar fields to user editing / profile screen * * @param object $profileuser User object */ public function edit_user_profile( $profileuser ) { ?>

ID ); remove_filter( 'pre_option_avatar_rating', '__return_null' ); ?> options['caps'] ); if ( $upload_rights ) { do_action( 'simple_local_avatar_notices' ); wp_nonce_field( 'simple_local_avatar_nonce', '_simple_local_avatar_nonce', false ); $remove_url = add_query_arg(array( 'action' => 'remove-simple-local-avatar', 'user_id' => $profileuser->ID, '_wpnonce' => $this->remove_nonce, ) ); ?>


  simple_local_avatar ) ) echo ' style="display:none;"'; ?>>

simple_local_avatar ) ) echo '' . __('No local avatar is set. Set up your avatar at Gravatar.com.','simple-local-avatars') . ''; else echo '' . __('You do not have media management permissions. To change your local avatar, contact the blog administrator.','simple-local-avatars') . ''; } ?>
simple_local_avatar ) ); ?>> simple_local_avatar_rating ) || ! array_key_exists( $profileuser->simple_local_avatar_rating, $this->avatar_ratings ) ) $profileuser->simple_local_avatar_rating = 'G'; foreach ( $this->avatar_ratings as $key => $rating ) : echo "\n\t
"; endforeach; ?>

avatar_delete( $user_id ); // delete old images if successful $meta_value = array(); // set the new avatar if ( is_int( $url_or_media_id ) ) { $meta_value['media_id'] = $url_or_media_id; $url_or_media_id = wp_get_attachment_url( $url_or_media_id ); } $meta_value['full'] = $url_or_media_id; update_user_meta( $user_id, 'simple_local_avatar', $meta_value ); // save user information (overwriting old) } /** * Save any changes to the user profile * * @param int $user_id ID of user being updated */ public function edit_user_profile_update( $user_id ) { // check nonces if( empty( $_POST['_simple_local_avatar_nonce'] ) || ! wp_verify_nonce( $_POST['_simple_local_avatar_nonce'], 'simple_local_avatar_nonce' ) ) return; // check for uploaded files if ( ! empty( $_FILES['simple-local-avatar']['name'] ) ) : // need to be more secure since low privelege users can upload if ( false !== strpos( $_FILES['simple-local-avatar']['name'], '.php' ) ) { $this->avatar_upload_error = __('For security reasons, the extension ".php" cannot be in your file name.','simple-local-avatars'); add_action( 'user_profile_update_errors', array( $this, 'user_profile_update_errors' ) ); return; } // front end (theme my profile etc) support if ( ! function_exists( 'media_handle_upload' ) ) require_once( ABSPATH . 'wp-admin/includes/media.php' ); // allow developers to override file size upload limit for avatars add_filter( 'upload_size_limit', array( $this, 'upload_size_limit' ) ); $this->user_id_being_edited = $user_id; // make user_id known to unique_filename_callback function $avatar_id = media_handle_upload( 'simple-local-avatar', 0, array(), array( 'mimes' => array( 'jpg|jpeg|jpe' => 'image/jpeg', 'gif' => 'image/gif', 'png' => 'image/png', ), 'test_form' => false, 'unique_filename_callback' => array( $this, 'unique_filename_callback' ) ) ); remove_filter( 'upload_size_limit', array( $this, 'upload_size_limit' ) ); if ( is_wp_error( $avatar_id ) ) { // handle failures. $this->avatar_upload_error = '' . __( 'There was an error uploading the avatar:', 'simple-local-avatars' ) . ' ' . esc_html( $avatar_id->get_error_message() ); add_action( 'user_profile_update_errors', array( $this, 'user_profile_update_errors' ) ); return; } $this->assign_new_user_avatar( $avatar_id, $user_id ); endif; // handle rating if ( isset( $avatar_id ) || $avatar = get_user_meta( $user_id, 'simple_local_avatar', true ) ) { if ( empty( $_POST['simple_local_avatar_rating'] ) || ! array_key_exists( $_POST['simple_local_avatar_rating'], $this->avatar_ratings ) ) $_POST['simple_local_avatar_rating'] = key( $this->avatar_ratings ); update_user_meta( $user_id, 'simple_local_avatar_rating', $_POST['simple_local_avatar_rating'] ); } } /** * Allow developers to override the maximum allowable file size for avatar uploads * * @param int $bytes WordPress default byte size check * @return int Maximum byte size */ public function upload_size_limit( $bytes ) { return apply_filters( 'simple_local_avatars_upload_limit', $bytes ); } /** * Runs when a user clicks the Remove button for the avatar */ public function action_remove_simple_local_avatar() { if ( ! empty( $_GET['user_id'] ) && ! empty( $_GET['_wpnonce'] ) && wp_verify_nonce( $_GET['_wpnonce'], 'remove_simple_local_avatar_nonce' ) ) { $user_id = (int) $_GET['user_id']; if ( ! current_user_can('edit_user', $user_id) ) wp_die( __('You do not have permission to edit this user.') ); $this->avatar_delete( $user_id ); // delete old images if successful if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) echo get_simple_local_avatar( $user_id ); } if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) die; } /** * AJAX callback for assigning media ID fetched from media library to user */ public function ajax_assign_simple_local_avatar_media() { // check required information and permissions if ( empty( $_POST['user_id'] ) || empty( $_POST['media_id'] ) || ! current_user_can( 'upload_files' ) || ! current_user_can( 'edit_user', $_POST['user_id'] ) || empty( $_POST['_wpnonce'] ) || ! wp_verify_nonce( $_POST['_wpnonce'], 'assign_simple_local_avatar_nonce' ) ) die; $media_id = (int) $_POST['media_id']; $user_id = (int) $_POST['user_id']; // ensure the media is real is an image if ( wp_attachment_is_image( $media_id ) ) $this->assign_new_user_avatar( $media_id, $user_id ); echo get_simple_local_avatar( $user_id ); die; } /** * remove the custom get_avatar hook for the default avatar list output on options-discussion.php */ public function avatar_defaults( $avatar_defaults ) { remove_action( 'get_avatar', array( $this, 'get_avatar' ) ); return $avatar_defaults; } /** * Delete avatars based on a user_id * * @param int $user_id */ public function avatar_delete( $user_id ) { $old_avatars = (array) get_user_meta( $user_id, 'simple_local_avatar', true ); if ( empty( $old_avatars ) ) return; // if it was uploaded media, don't erase the full size or try to erase an the ID if ( array_key_exists( 'media_id', $old_avatars ) ) unset( $old_avatars['media_id'], $old_avatars['full'] ); if ( ! empty( $old_avatars ) ) { $upload_path = wp_upload_dir(); foreach ($old_avatars as $old_avatar ) { // derive the path for the file based on the upload directory $old_avatar_path = str_replace( $upload_path['baseurl'], $upload_path['basedir'], $old_avatar ); if ( file_exists( $old_avatar_path ) ) unlink( $old_avatar_path ); } } delete_user_meta( $user_id, 'simple_local_avatar' ); delete_user_meta( $user_id, 'simple_local_avatar_rating' ); } /** * Creates a unique, meaningful file name for uploaded avatars. * * @param string $dir Path for file * @param string $name Filename * @param string $ext File extension (e.g. ".jpg") * @return string Final filename */ public function unique_filename_callback( $dir, $name, $ext ) { $user = get_user_by( 'id', (int) $this->user_id_being_edited ); $name = $base_name = sanitize_file_name( $user->display_name . '_avatar_' . time() ); // ensure no conflicts with existing file names $number = 1; while ( file_exists( $dir . "/$name$ext" ) ) { $name = $base_name . '_' . $number; $number++; } return $name . $ext; } /** * Adds errors based on avatar upload problems. * * @param WP_Error $errors Error messages for user profile screen. */ public function user_profile_update_errors( WP_Error $errors ) { $errors->add( 'avatar_error', $this->avatar_upload_error ); } /** * Registers the simple_local_avatar field in the REST API. */ public function register_rest_fields() { register_rest_field( 'user', 'simple_local_avatar', array( 'get_callback' => array( $this, 'get_avatar_rest' ), 'update_callback' => array( $this, 'set_avatar_rest' ), 'schema' => array( 'description' => 'The users simple local avatar', 'type' => 'object', ) )); } /** * Returns the simple_local_avatar meta key for the given user. * * @param object $user User object */ public function get_avatar_rest( $user ) { $local_avatar = get_user_meta( $user['id'], 'simple_local_avatar', true ); if ( empty( $local_avatar ) ) { return; } return $local_avatar; } /** * Updates the simple local avatar from a REST request. * * Since we are just adding a field to the existing user endpoint * we don't need to worry about ensuring the calling user has proper permissions. * Only the user or an administrator would be able to change the avatar. * * @param array $input Input submitted via REST request. * @param object $user The user making the request. */ public function set_avatar_rest( $input, $user ) { $this->assign_new_user_avatar($input['media_id'], $user->ID); } } $simple_local_avatars = new Simple_Local_Avatars; /** * more efficient to call simple local avatar directly in theme and avoid gravatar setup * * @param int|string|object $id_or_email A user ID, email address, or comment object * @param int $size Size of the avatar image * @param string $default URL to a default image to use if no avatar is available * @param string $alt Alternate text to use in image tag. Defaults to blank * @return string tag for the user's avatar */ function get_simple_local_avatar( $id_or_email, $size = 96, $default = '', $alt = '' ) { global $simple_local_avatars; $avatar = $simple_local_avatars->get_avatar( '', $id_or_email, $size, $default, $alt ); if ( empty ( $avatar ) ) { remove_action( 'get_avatar', array( $simple_local_avatars, 'get_avatar' ) ); $avatar = get_avatar( $id_or_email, $size, $default, $alt ); add_action( 'get_avatar', array( $simple_local_avatars, 'get_avatar' ), 10, 5 ); } return $avatar; } if ( ! function_exists( 'get_avatar' ) && ( $simple_local_avatars_options = get_option('simple_local_avatars') ) && ! empty( $simple_local_avatars_options['only'] ) ) : /** * Retrieve the avatar for a user who provided a user ID or email address. * * @param int|string|object $id_or_email A user ID, email address, or comment object * @param int $size Size of the avatar image * @param string $default URL to a default image to use if no avatar is available * @param string $alt Alternative text to use in image tag. Defaults to blank * @return string tag for the user's avatar */ function get_avatar( $id_or_email, $size = 96, $default = '', $alt = '' ) { global $simple_local_avatars; if ( ! get_option('show_avatars') ) return false; $safe_alt = empty( $alt ) ? '' : esc_attr( $alt ); if ( !is_numeric($size) ) $size = 96; if ( ! $avatar = $simple_local_avatars->get_avatar( '', $id_or_email, $size, $default, $alt ) ) : if ( empty($default) ) { $avatar_default = get_option('avatar_default'); if ( empty($avatar_default) ) $default = 'mystery'; else $default = $avatar_default; } $host = is_ssl() ? 'https://secure.gravatar.com' : 'http://0.gravatar.com'; if ( 'mystery' == $default ) $default = "$host/avatar/ad516503a11cd5ca435acc9bb6523536?s={$size}"; // ad516503a11cd5ca435acc9bb6523536 == md5('unknown@gravatar.com') elseif ( 'blank' == $default ) $default = includes_url( 'images/blank.gif' ); elseif ( 'gravatar_default' == $default ) $default = "$host/avatar/?s={$size}"; else $default = "$host/avatar/?d=$default&s={$size}"; $avatar = "{$safe_alt}"; endif; return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default, $alt); } endif; /** * on uninstallation, remove the custom field from the users and delete the local avatars */ register_uninstall_hook( __FILE__, 'simple_local_avatars_uninstall' ); function simple_local_avatars_uninstall() { $simple_local_avatars = new Simple_Local_Avatars; $users = get_users(array( 'meta_key' => 'simple_local_avatar', 'fields' => 'ids', )); foreach ( $users as $user_id ): $simple_local_avatars->avatar_delete( $user_id ); endforeach; delete_option('simple_local_avatars'); }