upload.php

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<?php
$guid = get_input('guid');
$owner = get_entity($guid);
 
if (!$owner || !($owner instanceof ElggUser) || !$owner->canEdit()) {
    register_error(elgg_echo('avatar:upload:fail'));
    forward(REFERER);
}
 
$error = elgg_get_friendly_upload_error($_FILES['avatar']['error']);
if ($error) {
    register_error($error);
    forward(REFERER);
}
 
$icon_sizes = elgg_get_config('icon_sizes');
 
// get the images and save their file handlers into an array
// so we can do clean up if one fails.
$files = array();
foreach ($icon_sizes as $name => $size_info) {
    $resized = get_resized_image_from_uploaded_file('avatar', $size_info['w'], $size_info['h'], $size_info['square'], $size_info['upscale']);
 
    if ($resized) {
        //@todo Make these actual entities.  See exts #348.
        $file = new ElggFile();
        $file->owner_guid = $guid;
        $file->setFilename("profile/{$guid}{$name}.jpg");
        $file->open('write');
        $file->write($resized);
        $file->close();
        $files[] = $file;
    } else {
        // cleanup on fail
        foreach ($files as $file) {
            $file->delete();
        }
 
        register_error(elgg_echo('avatar:resize:fail'));
        forward(REFERER);
    }
}
 
// reset crop coordinates
$owner->x1 = 0;
$owner->x2 = 0;
$owner->y1 = 0;
$owner->y2 = 0;
 
$owner->icontime = time();
if (elgg_trigger_event('profileiconupdate', $owner->type, $owner)) {
    system_message(elgg_echo("avatar:upload:success"));
 
    $view = 'river/user/default/profileiconupdate';
    elgg_delete_river(array('subject_guid' => $owner->guid, 'view' => $view));
    elgg_create_river_item(array(
        'view' => $view,
        'action_type' => 'update',
        'subject_guid' => $owner->guid,
        'object_guid' => $owner->guid,
    ));
}
 
forward(REFERER);