function um_admin_addon_hook($hook)
 {
     global $ultimatemember;
     switch ($hook) {
         case 'bp_avatar_transfer':
             if (class_exists('BuddyPress')) {
                 $path = bp_core_avatar_upload_path() . '/avatars';
                 $files = glob($path . '/*');
                 $i = 0;
                 foreach ($files as $key) {
                     $q = count(glob("{$key}/*")) === 0 ? 0 : 1;
                     if ($q == 1) {
                         $photo = glob($key . '/*');
                         foreach ($photo as $file) {
                             if (strstr($file, 'bpfull')) {
                                 $get_user_id = explode('/', $file);
                                 array_pop($get_user_id);
                                 $user_id = end($get_user_id);
                                 if (!file_exists($ultimatemember->files->upload_basedir . $user_id . '/profile_photo.jpg')) {
                                     $ultimatemember->files->new_user($user_id);
                                     copy($file, $ultimatemember->files->upload_basedir . $user_id . '/profile_photo.jpg');
                                     update_user_meta($user_id, 'profile_photo', 'profile_photo.jpg');
                                     $i++;
                                 }
                             }
                         }
                     }
                 }
                 $this->content = '<p><strong>Done. Process completed!</p>';
                 $this->content .= $i . ' user(s) changed.</strong></p>';
             }
             break;
     }
 }

 private function clean_existing_avatars($type = 'user')
 {
     if ('user' === $type) {
         $avatar_dir = 'avatars';
     } elseif ('group' === $object) {
         $avatar_dir = 'group-avatars';
     }
     $this->rrmdir(bp_core_avatar_upload_path() . '/' . $avatar_dir);
 }

 /**
  * Set Upload Dir data for avatars.
  *
  * @since 2.3.0
  *
  * @uses bp_core_avatar_upload_path()
  * @uses bp_core_avatar_url()
  * @uses bp_upload_dir()
  * @uses BP_Attachment::set_upload_dir()
  */
 public function set_upload_dir()
 {
     if (bp_core_avatar_upload_path() && bp_core_avatar_url()) {
         $this->upload_path = bp_core_avatar_upload_path();
         $this->url = bp_core_avatar_url();
         $this->upload_dir = bp_upload_dir();
     } else {
         parent::set_upload_dir();
     }
 }

function bp_core_set_avatar_constants()
{
    global $bp;
    if (!defined('BP_AVATAR_UPLOAD_PATH')) {
        define('BP_AVATAR_UPLOAD_PATH', bp_core_avatar_upload_path());
    }
    if (!defined('BP_AVATAR_URL')) {
        define('BP_AVATAR_URL', bp_core_avatar_url());
    }
    if (!defined('BP_AVATAR_THUMB_WIDTH')) {
        define('BP_AVATAR_THUMB_WIDTH', 32);
    }
    if (!defined('BP_AVATAR_THUMB_HEIGHT')) {
        define('BP_AVATAR_THUMB_HEIGHT', 32);
    }
    if (!defined('BP_AVATAR_FULL_WIDTH')) {
        define('BP_AVATAR_FULL_WIDTH', 184);
    }
    if (!defined('BP_AVATAR_FULL_HEIGHT')) {
        define('BP_AVATAR_FULL_HEIGHT', 184);
    }
    if (!defined('BP_AVATAR_ORIGINAL_MAX_WIDTH')) {
        define('BP_AVATAR_ORIGINAL_MAX_WIDTH', 450);
    }
    if (!defined('BP_AVATAR_ORIGINAL_MAX_FILESIZE')) {
        if (!$bp->site_options['fileupload_maxk']) {
            define('BP_AVATAR_ORIGINAL_MAX_FILESIZE', 5120000);
        } else {
            define('BP_AVATAR_ORIGINAL_MAX_FILESIZE', $bp->site_options['fileupload_maxk'] * 1024);
        }
    }
    if (!defined('BP_AVATAR_DEFAULT')) {
        define('BP_AVATAR_DEFAULT', BP_PLUGIN_URL . '/bp-core/images/mystery-man.jpg');
    }
    if (!defined('BP_AVATAR_DEFAULT_THUMB')) {
        define('BP_AVATAR_DEFAULT_THUMB', BP_PLUGIN_URL . '/bp-core/images/mystery-man-50.jpg');
    }
}

/**
 * fetch the cover photo of group/user
 *
 * @return string url
 */
function bcp_fetch_cover_photo($args)
{
    $cover_photos_collection = array();
    $r = wp_parse_args($args, array('object_id' => 0, 'type' => 'user'));
    extract($r, EXTR_SKIP);
    if (0 == $object_id) {
        return $cover_photos_collection;
    }
    $upload_dir = wp_upload_dir();
    $avatars_dir = $type == 'user' ? 'avatars' : 'group-avatars';
    // begin fetching avatar
    $avatar_upload_dir = bp_core_avatar_upload_path() . '/' . $avatars_dir . '/' . $object_id . '/';
    $avatar_upload_url = $upload_dir['baseurl'] . '/' . $avatars_dir . '/' . $object_id . '/';
    // open the dir
    if (!file_exists($avatar_upload_dir)) {
        return $cover_photos_collection;
    }
    if ($handle = opendir($avatar_upload_dir)) {
        while (false !== ($entry = readdir($handle))) {
            if ($entry != "." && $entry != "..") {
                $file_info = pathinfo($entry);
                $file_name = $file_info['filename'];
                $file_ext = $file_info['extension'];
                $cover_photos = array('coverphoto-full', 'coverphoto-thumb');
                if (in_array($file_name, $cover_photos)) {
                    // cover photo exists
                    $cover_photo_url = $avatar_upload_url . $file_name . '.' . $file_ext;
                    $cover_timestamp = '?bcp_cover=' . get_user_meta($object_id, 'cover-photo-timestamp', true);
                    if ('user' !== $type) {
                        $cover_timestamp = '?bcp_group_cover=' . groups_get_groupmeta($object_id, 'cover-photo-timestamp');
                    }
                    if ('coverphoto-full' == $file_name) {
                        $cover_photos_collection['full'] = $cover_photo_url . $cover_timestamp;
                    } else {
                        $cover_photos_collection['thumb'] = $cover_photo_url . $cover_timestamp;
                    }
                }
            }
        }
        // close the directory
        closedir($handle);
    }
    return $cover_photos_collection;
}

/**
 * Output the inline JS needed for the cropper to work on a per-page basis.
 *
 * @since 1.1.0
 */
function bp_core_add_cropper_inline_js()
{
    /**
     * Filters the return value of getimagesize to determine if an image was uploaded.
     *
     * @since 1.1.0
     *
     * @param array $value Array of data found by getimagesize.
     */
    $image = apply_filters('bp_inline_cropper_image', getimagesize(bp_core_avatar_upload_path() . buddypress()->avatar_admin->image->dir));
    if (empty($image)) {
        return;
    }
    // Get avatar full width and height.
    $full_height = bp_core_avatar_full_height();
    $full_width = bp_core_avatar_full_width();
    // Calculate Aspect Ratio.
    if (!empty($full_height) && $full_width != $full_height) {
        $aspect_ratio = $full_width / $full_height;
    } else {
        $aspect_ratio = 1;
    }
    // Default cropper coordinates.
    // Smaller than full-width: cropper defaults to entire image.
    if ($image[0] < $full_width) {
        $crop_left = 0;
        $crop_right = $image[0];
        // Less than 2x full-width: cropper defaults to full-width.
    } elseif ($image[0] < $full_width * 2) {
        $padding_w = round(($image[0] - $full_width) / 2);
        $crop_left = $padding_w;
        $crop_right = $image[0] - $padding_w;
        // Larger than 2x full-width: cropper defaults to 1/2 image width.
    } else {
        $crop_left = round($image[0] / 4);
        $crop_right = $image[0] - $crop_left;
    }
    // Smaller than full-height: cropper defaults to entire image.
    if ($image[1] < $full_height) {
        $crop_top = 0;
        $crop_bottom = $image[1];
        // Less than double full-height: cropper defaults to full-height.
    } elseif ($image[1] < $full_height * 2) {
        $padding_h = round(($image[1] - $full_height) / 2);
        $crop_top = $padding_h;
        $crop_bottom = $image[1] - $padding_h;
        // Larger than 2x full-height: cropper defaults to 1/2 image height.
    } else {
        $crop_top = round($image[1] / 4);
        $crop_bottom = $image[1] - $crop_top;
    }
    ?>

	<script type="text/javascript">
		jQuery(window).load( function(){
			jQuery('#avatar-to-crop').Jcrop({
				onChange: showPreview,
				onSelect: updateCoords,
				aspectRatio: <?php 
    echo (int) $aspect_ratio;
    ?>
,
				setSelect: [ <?php 
    echo (int) $crop_left;
    ?>
, <?php 
    echo (int) $crop_top;
    ?>
, <?php 
    echo (int) $crop_right;
    ?>
, <?php 
    echo (int) $crop_bottom;
    ?>
 ]
			});
		});

		function updateCoords(c) {
			jQuery('#x').val(c.x);
			jQuery('#y').val(c.y);
			jQuery('#w').val(c.w);
			jQuery('#h').val(c.h);
		}

		function showPreview(coords) {
			if ( parseInt(coords.w) > 0 ) {
				var fw = <?php 
    echo (int) $full_width;
    ?>
;
				var fh = <?php 
    echo (int) $full_height;
    ?>
;
//.........这里部分代码省略.........

/**
 * Handle the loading of the Activate screen.
 *
 * @todo Move the actual activation process into an action in bp-members-actions.php
 */
function bp_core_screen_activation()
{
    // Bail if not viewing the activation page
    if (!bp_is_current_component('activate')) {
        return false;
    }
    // If the user is already logged in, redirect away from here
    if (is_user_logged_in()) {
        // If activation page is also front page, set to members directory to
        // avoid an infinite loop. Otherwise, set to root domain.
        $redirect_to = bp_is_component_front_page('activate') ? bp_get_root_domain() . '/' . bp_get_members_root_slug() : bp_get_root_domain();
        // Trailing slash it, as we expect these URL's to be
        $redirect_to = trailingslashit($redirect_to);
        /**
         * Filters the URL to redirect logged in users to when visiting activation page.
         *
         * @since BuddyPress (1.9.0)
         *
         * @param string $redirect_to URL to redirect user to.
         */
        $redirect_to = apply_filters('bp_loggedin_activate_page_redirect_to', $redirect_to);
        // Redirect away from the activation page
        bp_core_redirect($redirect_to);
    }
    // grab the key (the old way)
    $key = isset($_GET['key']) ? $_GET['key'] : '';
    // grab the key (the new way)
    if (empty($key)) {
        $key = bp_current_action();
    }
    // Get BuddyPress
    $bp = buddypress();
    // we've got a key; let's attempt to activate the signup
    if (!empty($key)) {
        /**
         * Filters the activation signup.
         *
         * @since BuddyPress (1.1.0)
         *
         * @param bool|int $value Value returned by activation.
         *                        Integer on success, boolean on failure.
         */
        $user = apply_filters('bp_core_activate_account', bp_core_activate_signup($key));
        // If there were errors, add a message and redirect
        if (!empty($user->errors)) {
            bp_core_add_message($user->get_error_message(), 'error');
            bp_core_redirect(trailingslashit(bp_get_root_domain() . '/' . $bp->pages->activate->slug));
        }
        $hashed_key = wp_hash($key);
        // Check if the signup avatar folder exists. If it does, move the folder to
        // the BP user avatars directory
        if (file_exists(bp_core_avatar_upload_path() . '/avatars/signups/' . $hashed_key)) {
            @rename(bp_core_avatar_upload_path() . '/avatars/signups/' . $hashed_key, bp_core_avatar_upload_path() . '/avatars/' . $user);
        }
        bp_core_add_message(__('Your account is now active!', 'buddypress'));
        $bp->activation_complete = true;
    }
    /**
     * Filters the template to load for the Member activation page screen.
     *
     * @since BuddyPress (1.1.1)
     *
     * @param string $value Path to the Member activation template to load.
     */
    bp_core_load_template(apply_filters('bp_core_template_activate', array('activate', 'registration/activate')));
}

/**
 * Crop an uploaded avatar.
 *
 * $args has the following parameters:
 *  object - What component the avatar is for, e.g. "user"
 *  avatar_dir  The absolute path to the avatar
 *  item_id - Item ID
 *  original_file - The absolute path to the original avatar file
 *  crop_w - Crop width
 *  crop_h - Crop height
 *  crop_x - The horizontal starting point of the crop
 *  crop_y - The vertical starting point of the crop
 *
 * @param array $args {
 *     Array of function parameters.
 *     @type string $object Object type of the item whose avatar you're
 *           handling. 'user', 'group', 'blog', or custom. Default: 'user'.
 *     @type string $avatar_dir Subdirectory where avatar should be stored.
 *           Default: 'avatars'.
 *     @type bool|int $item_id ID of the item that the avatar belongs to.
 *     @type bool|string $original_file Absolute papth to the original avatar
 *           file.
 *     @type int $crop_w Crop width. Default: the global 'full' avatar width,
 *           as retrieved by bp_core_avatar_full_width().
 *     @type int $crop_h Crop height. Default: the global 'full' avatar height,
 *           as retrieved by bp_core_avatar_full_height().
 *     @type int $crop_x The horizontal starting point of the crop. Default: 0.
 *     @type int $crop_y The vertical starting point of the crop. Default: 0.
 * }
 * @return bool True on success, false on failure.
 */
function bp_core_avatar_handle_crop($args = '')
{
    $r = wp_parse_args($args, array('object' => 'user', 'avatar_dir' => 'avatars', 'item_id' => false, 'original_file' => false, 'crop_w' => bp_core_avatar_full_width(), 'crop_h' => bp_core_avatar_full_height(), 'crop_x' => 0, 'crop_y' => 0));
    /***
     * You may want to hook into this filter if you want to override this function.
     * Make sure you return false.
     */
    if (!apply_filters('bp_core_pre_avatar_handle_crop', true, $r)) {
        return true;
    }
    extract($r, EXTR_SKIP);
    if (empty($original_file)) {
        return false;
    }
    $original_file = bp_core_avatar_upload_path() . $original_file;
    if (!file_exists($original_file)) {
        return false;
    }
    if (empty($item_id)) {
        $avatar_folder_dir = apply_filters('bp_core_avatar_folder_dir', dirname($original_file), $item_id, $object, $avatar_dir);
    } else {
        $avatar_folder_dir = apply_filters('bp_core_avatar_folder_dir', bp_core_avatar_upload_path() . '/' . $avatar_dir . '/' . $item_id, $item_id, $object, $avatar_dir);
    }
    if (!file_exists($avatar_folder_dir)) {
        return false;
    }
    require_once ABSPATH . '/wp-admin/includes/image.php';
    require_once ABSPATH . '/wp-admin/includes/file.php';
    // Delete the existing avatar files for the object
    $existing_avatar = bp_core_fetch_avatar(array('object' => $object, 'item_id' => $item_id, 'html' => false));
    if (!empty($existing_avatar)) {
        // Check that the new avatar doesn't have the same name as the
        // old one before deleting
        $upload_dir = wp_upload_dir();
        $existing_avatar_path = str_replace($upload_dir['baseurl'], '', $existing_avatar);
        $new_avatar_path = str_replace($upload_dir['basedir'], '', $original_file);
        if ($existing_avatar_path !== $new_avatar_path) {
            bp_core_delete_existing_avatar(array('object' => $object, 'item_id' => $item_id, 'avatar_path' => $avatar_folder_dir));
        }
    }
    // Make sure we at least have a width and height for cropping
    if (empty($crop_w)) {
        $crop_w = bp_core_avatar_full_width();
    }
    if (empty($crop_h)) {
        $crop_h = bp_core_avatar_full_height();
    }
    // Get the file extension
    $data = @getimagesize($original_file);
    $ext = $data['mime'] == 'image/png' ? 'png' : 'jpg';
    // Set the full and thumb filenames
    $full_filename = wp_hash($original_file . time()) . '-bpfull.' . $ext;
    $thumb_filename = wp_hash($original_file . time()) . '-bpthumb.' . $ext;
    // Crop the image
    $full_cropped = wp_crop_image($original_file, (int) $crop_x, (int) $crop_y, (int) $crop_w, (int) $crop_h, bp_core_avatar_full_width(), bp_core_avatar_full_height(), false, $avatar_folder_dir . '/' . $full_filename);
    $thumb_cropped = wp_crop_image($original_file, (int) $crop_x, (int) $crop_y, (int) $crop_w, (int) $crop_h, bp_core_avatar_thumb_width(), bp_core_avatar_thumb_height(), false, $avatar_folder_dir . '/' . $thumb_filename);
    // Check for errors
    if (empty($full_cropped) || empty($thumb_cropped) || is_wp_error($full_cropped) || is_wp_error($thumb_cropped)) {
        return false;
    }
    // Remove the original
    @unlink($original_file);
    return true;
}

 public function handle_crop()
 {
     require_once ABSPATH . '/wp-admin/includes/image.php';
     $user_id = bp_displayed_user_id();
     $cover_photo = get_transient('profile_cover_photo_' . $user_id);
     // Get the file extension
     $data = @getimagesize($cover_photo);
     $ext = $data['mime'] == 'image/png' ? 'png' : 'jpg';
     $base_filename = basename($cover_photo, '.' . $ext);
     // create a new filename but, if it's already been cropped, strip out the -cropped
     $new_filename = str_replace('-cropped', '', $base_filename) . '-cropped.' . $ext;
     $new_filepath = bp_core_avatar_upload_path() . '/cover-photo/' . $user_id . '/' . $new_filename;
     $new_fileurl = bp_core_avatar_url() . '/cover-photo/' . $user_id . '/' . $new_filename;
     $crop_fileurl = str_replace(trailingslashit(get_home_url()), '', bp_core_avatar_url()) . '/cover-photo/' . $user_id . '/' . $new_filename;
     // delete the old cover photo if it exists
     if (file_exists($new_filepath)) {
         @unlink($new_filepath);
     }
     $cropped_header = wp_crop_image($cover_photo, $_POST['x'], $_POST['y'], $_POST['w'], $_POST['h'], $this->width, $this->height, false, $crop_fileurl);
     if (!is_wp_error($cropped_header)) {
         $old_file_path = get_user_meta(bp_loggedin_user_id(), 'profile_cover_photo_path', true);
         if (file_exists($old_file_path)) {
             @unlink($old_file_path);
         }
         // update with the new image and path
         bp_update_user_meta(bp_loggedin_user_id(), 'profile_cover_photo', $new_fileurl);
         bp_update_user_meta(bp_loggedin_user_id(), 'profile_cover_photo_path', $new_filepath);
         delete_transient('is_cover_photo_uploaded_' . bp_displayed_user_id());
         delete_transient('profile_cover_photo_' . bp_displayed_user_id());
     }
 }

function tv_bp_core_avatar_handle_upload($file, $upload_dir_filter)
{
    /***
     * You may want to hook into this filter if you want to override this function.
     * Make sure you return false.
     */
    if (!apply_filters('bp_core_pre_avatar_handle_upload', true, $file, $upload_dir_filter)) {
        return true;
    }
    require_once ABSPATH . '/wp-admin/includes/file.php';
    $uploadErrors = array(0 => __('The image was uploaded successfully', 'buddypress'), 1 => __('The image exceeds the maximum allowed file size of: ', 'buddypress') . size_format(bp_core_avatar_original_max_filesize()), 2 => __('The image exceeds the maximum allowed file size of: ', 'buddypress') . size_format(bp_core_avatar_original_max_filesize()), 3 => __('The uploaded file was only partially uploaded.', 'buddypress'), 4 => __('The image was not uploaded.', 'buddypress'), 6 => __('Missing a temporary folder.', 'buddypress'));
    if (!bp_core_check_avatar_upload($file)) {
        bp_core_add_message(sprintf(__('Your upload failed, please try again. Error was: %s', 'buddypress'), $uploadErrors[$file['file']['error']]), 'error');
        return false;
    }
    if (!bp_core_check_avatar_size($file)) {
        bp_core_add_message(sprintf(__('The file you uploaded is too big. Please upload a file under %s', 'buddypress'), size_format(bp_core_avatar_original_max_filesize())), 'error');
        return false;
    }
    if (!bp_core_check_avatar_type($file)) {
        bp_core_add_message(__('Please upload only JPG, GIF or PNG photos.', 'buddypress'), 'error');
        return false;
    }
    // Filter the upload location
    add_filter('upload_dir', $upload_dir_filter, 10, 0);
    $upload_dir = wp_upload_dir();
    emptyDirectory($upload_dir['path']);
    $bp = buddypress();
    $bp->avatar_admin->original = wp_handle_upload($file['file'], array('test_form' => false));
    // Remove the upload_dir filter, so that other upload URLs on the page
    // don't break
    remove_filter('upload_dir', $upload_dir_filter, 10, 0);
    // Move the file to the correct upload location.
    if (!empty($bp->avatar_admin->original['error'])) {
        bp_core_add_message(sprintf(__('Upload Failed! Error was: %s', 'buddypress'), $bp->avatar_admin->original['error']), 'error');
        return false;
    }
    // Get image size
    $size = @getimagesize($bp->avatar_admin->original['file']);
    $error = false;
    // Check image size and shrink if too large
    if ($size[0] > bp_core_avatar_original_max_width()) {
        $editor = wp_get_image_editor($bp->avatar_admin->original['file']);
        if (!is_wp_error($editor)) {
            $editor->set_quality(100);
            $resized = $editor->resize(bp_core_avatar_original_max_width(), bp_core_avatar_original_max_width(), false);
            if (!is_wp_error($resized)) {
                $thumb = $editor->save($editor->generate_filename());
            } else {
                $error = $resized;
            }
            // Check for thumbnail creation errors
            if (false === $error && is_wp_error($thumb)) {
                $error = $thumb;
            }
            // Thumbnail is good so proceed
            if (false === $error) {
                $bp->avatar_admin->resized = $thumb;
            }
        } else {
            $error = $editor;
        }
        if (false !== $error) {
            bp_core_add_message(sprintf(__('Upload Failed! Error was: %s', 'buddypress'), $error->get_error_message()), 'error');
            return false;
        }
    }
    if (!isset($bp->avatar_admin->image)) {
        $bp->avatar_admin->image = new stdClass();
    }
    // We only want to handle one image after resize.
    if (empty($bp->avatar_admin->resized)) {
        $bp->avatar_admin->image->dir = str_replace(bp_core_avatar_upload_path(), '', $bp->avatar_admin->original['file']);
    } else {
        $bp->avatar_admin->image->dir = str_replace(bp_core_avatar_upload_path(), '', $bp->avatar_admin->resized['path']);
        @unlink($bp->avatar_admin->original['file']);
    }
    // Check for WP_Error on what should be an image
    if (is_wp_error($bp->avatar_admin->image->dir)) {
        bp_core_add_message(sprintf(__('Upload failed! Error was: %s', 'buddypress'), $bp->avatar_admin->image->dir->get_error_message()), 'error');
        return false;
    }
    // Set the url value for the image
    $bp->avatar_admin->image->url = bp_core_avatar_url() . $bp->avatar_admin->image->dir;
    return true;
}

function bp_caver_avatar_handle_upload()
{
    global $bp;
    if ($_POST['encodedimg']) {
        $user_id = !empty($_POST['user_id']) ? $_POST['user_id'] : bp_displayed_user_id();
        $imgresponse = array();
        $uploaddir = bp_core_avatar_upload_path() . '/avatars';
        if (!file_exists($uploaddir)) {
            mkdir($uploaddir);
        }
        $img = $_POST['encodedimg'];
        $img = str_replace('data:' . $_POST['imgtype'] . ';base64,', '', $img);
        $img = str_replace(' ', '+', $img);
        $data = base64_decode($img);
        $filepath = $uploaddir . '/' . $user_id;
        if (!file_exists($filepath)) {
            mkdir($filepath);
        }
        $imgname = wp_unique_filename($uploaddir, $_POST['imgname']);
        $fileurl = $filepath . '/' . $imgname;
        $siteurl = trailingslashit(get_blog_option(1, 'siteurl'));
        $url = str_replace(ABSPATH, $siteurl, $fileurl);
        $success = file_put_contents($fileurl, $data);
        $file = $_POST['imgsize'];
        $max_upload_size = bp_cover_get_max_media_size();
        if ($max_upload_size > $file) {
            if ($success) {
                $imgresponse[0] = "1";
                $imgresponse[1] = $fileurl;
                $size = getimagesize($fileurl);
                /* Check image size and shrink if too large */
                if ($size[0] > 150) {
                    $original_file = image_resize($fileurl, 150, 150, true);
                    //$ava_file = image_resize( $fileurl, 250, 250, true );
                    /* Check for thumbnail creation errors */
                    if (is_wp_error($original_file)) {
                        $imgresponse[0] = "0";
                        $imgresponse[1] = sprintf(__('Upload Failed! Error was: %s', 'bp-cover'), $original_file->get_error_message());
                        die;
                    }
                    $avatar_to_crop = str_replace(bp_core_avatar_upload_path(), '', $original_file);
                    bp_core_delete_existing_avatar(array('item_id' => $user_id, 'avatar_path' => bp_core_avatar_upload_path() . '/avatars/' . $user_id));
                    $crop_args = array('item_id' => $user_id, 'original_file' => $avatar_to_crop, 'crop_w' => 0, 'crop_h' => 0);
                    bp_core_avatar_handle_crop($crop_args);
                    //$url = str_replace(ABSPATH,$siteurl,$ava_file);
                    update_user_meta(bp_loggedin_user_id(), 'profile_avatar', $url);
                    do_action('xprofile_avatar_uploaded');
                } else {
                    $imgresponse[0] = "0";
                    $imgresponse[1] = __('Upload Failed! Your photo must be larger than 150px', 'bp-cover');
                }
            } else {
                $imgresponse[0] = "0";
                $imgresponse[1] = __('Upload Failed! Unable to write the image on server', 'bp-cover');
            }
        } else {
            $imgresponse[0] = "0";
            $imgresponse[1] = sprintf(__('The file you uploaded is too big. Please upload a file under %s', 'bp-cover'), size_format($max_upload_size));
        }
    } else {
        $imgresponse[0] = "0";
        $imgresponse[1] = __('Upload Failed! No image sent', 'bp-cover');
    }
    /* if everything is ok, we send back url to thumbnail and to full image */
    echo json_encode($imgresponse);
    die;
}

function bp_core_screen_activation()
{
    global $bp;
    if (!bp_is_current_component('activate')) {
        return false;
    }
    // Check if an activation key has been passed
    if (isset($_GET['key'])) {
        // Activate the signup
        $user = apply_filters('bp_core_activate_account', bp_core_activate_signup($_GET['key']));
        // If there were errors, add a message and redirect
        if (!empty($user->errors)) {
            bp_core_add_message($user->get_error_message(), 'error');
            bp_core_redirect(trailingslashit(bp_get_root_domain() . '/' . $bp->pages->activate->slug));
        }
        // Check for an uploaded avatar and move that to the correct user folder
        if (is_multisite()) {
            $hashed_key = wp_hash($_GET['key']);
        } else {
            $hashed_key = wp_hash($user);
        }
        // Check if the avatar folder exists. If it does, move rename it, move
        // it and delete the signup avatar dir
        if (file_exists(bp_core_avatar_upload_path() . '/avatars/signups/' . $hashed_key)) {
            @rename(bp_core_avatar_upload_path() . '/avatars/signups/' . $hashed_key, bp_core_avatar_upload_path() . '/avatars/' . $user);
        }
        bp_core_add_message(__('Your account is now active!', 'buddypress'));
        $bp->activation_complete = true;
    }
    if ('' != locate_template(array('registration/activate'), false)) {
        bp_core_load_template(apply_filters('bp_core_template_activate', 'activate'));
    } else {
        bp_core_load_template(apply_filters('bp_core_template_activate', 'registration/activate'));
    }
}

 /**
  * Remove IMAP connection marker file.
  *
  * @since 1.0-RC4
  *
  * @see bp_rbe_add_imap_lock()
  */
 function bp_rbe_remove_imap_connection_marker()
 {
     clearstatcache();
     if (file_exists(bp_core_avatar_upload_path() . '/bp-rbe-connected.txt')) {
         unlink(bp_core_avatar_upload_path() . '/bp-rbe-connected.txt');
     }
 }

/**
 * Handle the loading of the Activate screen.
 */
function bp_core_screen_activation()
{
    global $bp;
    if (!bp_is_current_component('activate')) {
        return false;
    }
    // If the user is logged in, redirect away from here
    if (is_user_logged_in()) {
        if (bp_is_component_front_page('activate')) {
            $redirect_to = trailingslashit(bp_get_root_domain() . '/' . bp_get_members_root_slug());
        } else {
            $redirect_to = trailingslashit(bp_get_root_domain());
        }
        bp_core_redirect(apply_filters('bp_loggedin_activate_page_redirect_to', $redirect_to));
        return;
    }
    // Check if an activation key has been passed
    if (isset($_GET['key'])) {
        // Activate the signup
        $user = apply_filters('bp_core_activate_account', bp_core_activate_signup($_GET['key']));
        // If there were errors, add a message and redirect
        if (!empty($user->errors)) {
            bp_core_add_message($user->get_error_message(), 'error');
            bp_core_redirect(trailingslashit(bp_get_root_domain() . '/' . $bp->pages->activate->slug));
        }
        $hashed_key = wp_hash($_GET['key']);
        // Check if the avatar folder exists. If it does, move rename it, move
        // it and delete the signup avatar dir
        if (file_exists(bp_core_avatar_upload_path() . '/avatars/signups/' . $hashed_key)) {
            @rename(bp_core_avatar_upload_path() . '/avatars/signups/' . $hashed_key, bp_core_avatar_upload_path() . '/avatars/' . $user);
        }
        bp_core_add_message(__('Your account is now active!', 'buddypress'));
        $bp->activation_complete = true;
    }
    bp_core_load_template(apply_filters('bp_core_template_activate', array('activate', 'registration/activate')));
}

/**
 * Setup the avatar upload directory for a user.
 *
 * @since BuddyPress (1.0.0)
 *
 * @package BuddyPress Core
 *
 * @param string $directory The root directory name. Optional.
 * @param int    $user_id   The user ID. Optional.
 *
 * @return array() Array containing the path, URL, and other helpful settings.
 */
function xprofile_avatar_upload_dir($directory = 'avatars', $user_id = 0)
{
    // Use displayed user if no user ID was passed
    if (empty($user_id)) {
        $user_id = bp_displayed_user_id();
    }
    // Failsafe against accidentally nooped $directory parameter
    if (empty($directory)) {
        $directory = 'avatars';
    }
    $path = bp_core_avatar_upload_path() . '/' . $directory . '/' . $user_id;
    $newbdir = $path;
    if (!file_exists($path)) {
        @wp_mkdir_p($path);
    }
    $newurl = bp_core_avatar_url() . '/' . $directory . '/' . $user_id;
    $newburl = $newurl;
    $newsubdir = '/' . $directory . '/' . $user_id;
    return apply_filters('xprofile_avatar_upload_dir', array('path' => $path, 'url' => $newurl, 'subdir' => $newsubdir, 'basedir' => $newbdir, 'baseurl' => $newburl, 'error' => false));
}

function groups_avatar_upload_dir($group_id = 0)
{
    global $bp;
    if (!$group_id) {
        $group_id = $bp->groups->current_group->id;
    }
    $path = bp_core_avatar_upload_path() . '/group-avatars/' . $group_id;
    $newbdir = $path;
    if (!file_exists($path)) {
        @wp_mkdir_p($path);
    }
    $newurl = bp_core_avatar_url() . '/group-avatars/' . $group_id;
    $newburl = $newurl;
    $newsubdir = '/group-avatars/' . $group_id;
    return apply_filters('groups_avatar_upload_dir', array('path' => $path, 'url' => $newurl, 'subdir' => $newsubdir, 'basedir' => $newbdir, 'baseurl' => $newburl, 'error' => false));
}

function bp_core_signup_avatar_upload_dir()
{
    global $bp;
    if (!$bp->signup->avatar_dir) {
        return false;
    }
    $path = bp_core_avatar_upload_path() . '/avatars/signups/' . $bp->signup->avatar_dir;
    $newbdir = $path;
    if (!file_exists($path)) {
        @wp_mkdir_p($path);
    }
    $newurl = bp_core_avatar_url() . '/avatars/signups/' . $bp->signup->avatar_dir;
    $newburl = $newurl;
    $newsubdir = '/avatars/signups/' . $bp->signup->avatar_dir;
    return apply_filters('bp_core_signup_avatar_upload_dir', array('path' => $path, 'url' => $newurl, 'subdir' => $newsubdir, 'basedir' => $newbdir, 'baseurl' => $newburl, 'error' => false));
}

/**
 * Handle avatar webcam capture.
 *
 * @since BuddyPress (2.3.0)
 *
 * @param string $data base64 encoded image.
 * @param int $item_id.
 * @return bool True on success, false on failure.
 */
function bp_avatar_handle_capture($data = '', $item_id = 0)
{
    if (empty($data) || empty($item_id)) {
        return false;
    }
    $avatar_dir = bp_core_avatar_upload_path() . '/avatars';
    // It's not a regular upload, we may need to create this folder
    if (!file_exists($avatar_dir)) {
        if (!wp_mkdir_p($avatar_dir)) {
            return false;
        }
    }
    $avatar_folder_dir = apply_filters('bp_core_avatar_folder_dir', $avatar_dir . '/' . $item_id, $item_id, 'user', 'avatars');
    // It's not a regular upload, we may need to create this folder
    if (!is_dir($avatar_folder_dir)) {
        if (!wp_mkdir_p($avatar_folder_dir)) {
            return false;
        }
    }
    $original_file = $avatar_folder_dir . '/webcam-capture-' . $item_id . '.png';
    if (file_put_contents($original_file, $data)) {
        $avatar_to_crop = str_replace(bp_core_avatar_upload_path(), '', $original_file);
        // Crop to default values
        $crop_args = array('item_id' => $item_id, 'original_file' => $avatar_to_crop, 'crop_x' => 0, 'crop_y' => 0);
        return bp_core_avatar_handle_crop($crop_args);
    } else {
        return false;
    }
}

/**
 * Setup the avatar upload directory for a user.
 *
 * @package BuddyPress Core
 * @param $directory The root directory name
 * @param $user_id The user ID.
 * @return array() containing the path and URL plus some other settings.
 */
function xprofile_avatar_upload_dir($directory = false, $user_id = 0)
{
    global $bp;
    if (empty($user_id)) {
        $user_id = $bp->displayed_user->id;
    }
    if (empty($directory)) {
        $directory = 'avatars';
    }
    $path = bp_core_avatar_upload_path() . '/avatars/' . $user_id;
    $newbdir = $path;
    if (!file_exists($path)) {
        @nxt_mkdir_p($path);
    }
    $newurl = bp_core_avatar_url() . '/avatars/' . $user_id;
    $newburl = $newurl;
    $newsubdir = '/avatars/' . $user_id;
    return apply_filters('xprofile_avatar_upload_dir', array('path' => $path, 'url' => $newurl, 'subdir' => $newsubdir, 'basedir' => $newbdir, 'baseurl' => $newburl, 'error' => false));
}

 public function get_path($legacy_check = 0, $create_folders = 0)
 {
     /***
      * place 'group-documents' on the same level as 'group-avatars'
      * organize docs within group sub-folders
      */
     $document_dir = bp_core_avatar_upload_path() . '/group-documents/' . $this->group_id;
     if ($create_folders && !is_dir($document_dir)) {
         mkdir($document_dir, 0755, true);
     }
     /* ideal location - use this if possible */
     $document_path = $document_dir . '/' . $this->file;
     /***
      * if we're getting the existing file to display, it may not be there
      * if file is not there, check in legacy locations 
      */
     if ($legacy_check && !file_exists($document_path)) {
         /* check legacy override */
         if (defined('BP_GROUP_DOCUMENTS_FILE_PATH')) {
             $document_path = BP_GROUP_DOCUMENTS_FILE_PATH . $this->file;
         } else {
             $document_path = WP_PLUGIN_DIR . '/buddypress-group-documents/documents/' . $this->file;
         }
     }