functions.php

<?php

function  netangelss3_filelistGet(&$filelst, $path) {
    if (!is_dir($path)) return false;
    $dh = opendir($path);
    if ($dh === false) return false;
    while (false !== ($file = readdir($dh))) {
        if ($file == '.') continue;
        if ($file == '..') continue;
        $fullpath = $path . '/' . $file;
        if (is_dir($fullpath)) {
            netangelss3_filelistGet($filelst, $fullpath);
            continue;
        }
        if (!is_file($fullpath)) {
            continue;
        }
        $filelst[] = $fullpath;
    }
    closedir($dh);
}

function netangelss3_setuped() {
    $key_id = trim(get_option('netangelss3_key_id'));
    $secret_key = trim(get_option('netangelss3_secret_key'));
    if ($key_id != '' and $secret_key != '') {
        return true;
    }
    return false;
}

function netangelss3_connected() {
    $netangelss3_connection_status = get_option('netangelss3_connection_status');
    if ($netangelss3_connection_status == '1') {
        return true;
    }
    return false;
}

function netangelss3_getDefaultBucket() {
    return get_option('netangelss3_bucket', '');
}

function netangelss3_create() {
    if (isset($GLOBALS['netangelss3_obj'])) return $GLOBALS['netangelss3_obj'];
    $key_id = trim(get_option('netangelss3_key_id'));
    $secret_key = trim(get_option('netangelss3_secret_key'));
    $bucket = get_option('netangelss3_bucket'); // прелодер
    $s3 = new S3($key_id, $secret_key);
    $GLOBALS['netangelss3_obj'] = $s3;
    return $s3;
}

function netangelss3_removeAttach($file_path) {
    global $wpdb;
    if (!NETANGELSS3_ATTH_REMOVE_ON_MOVE) return false;
    $upload_dir = wp_upload_dir();
    #$upload_dir['basedir']
    $local_path_url = $upload_dir['baseurl'];
    if (substr($local_path_url, strlen($local_path_url) - 1, 1) != '/') {
        $local_path_url += '/';
    }
    //$wpdb->query($wpdb->prepare('UPDATE wp_postmeta SET meta_value = REPLACE ( meta_value, %s,  %s) WHERE meta_value LIKE "%%%s%%"', $from, $to, $from));
}

function netangelss3_getAttachmentList() {
    $thumbimgs = array();
    $args = array('post_type' => 'attachment', 'numberposts' => -1, 'post_status' => null, 'post_parent' => null);
    $attachments = get_posts($args);
    if ($attachments) {
        foreach ($attachments as $post) {
            if (!is_array($imagedata = wp_get_attachment_metadata($post->ID, true))) continue;
            //$url = str_replace(basename($url), basename($thumb), $url);
            //post.php function wp_get_attachment_thumb_url( $post_id = 0 ) {
            $thumbimgs[] = array(
                'title' => get_the_title($post->ID),
                'file' => get_attached_file($post->ID),
                'meta' => $imagedata,
            );
            //$thumbimgs[] = wp_get_attachment_link( $post->ID, 'thumbnail-size', true );
        }
    }
    return $thumbimgs;
}

function netangelss3_getAttachmentFilesList($remove_upload_dir = false) {
    $upload_dir = wp_upload_dir();
    $thumbimgs = array();
    $args = array('post_type' => 'attachment', 'numberposts' => -1, 'post_status' => null, 'post_parent' => null);
    $attachments = get_posts($args);
    if ($attachments) {
        foreach ($attachments as $post) {
            $file = get_attached_file($post->ID);
            $thumbimgs[] = $file;
            $path = dirname($file);
            if (!is_array($imagedata = wp_get_attachment_metadata($post->ID, true))) continue;
            if (count($imagedata['sizes']) == 0) continue;
            foreach ($imagedata['sizes'] as $thumb) {
                $thumbimgs[] = $path . DIRECTORY_SEPARATOR . $thumb['file'];
            }
        }
    }
    if ($remove_upload_dir) {
        $upload_dir = wp_upload_dir();
        $t = array();
        foreach ($thumbimgs as $item) {
            $file = strtr($item, array($upload_dir['basedir'] . DIRECTORY_SEPARATOR => ''));
            $t[] = $file;
        }
        $thumbimgs = $t;
    }
    if (NETANGELSS3_DEBUG) {
        print '<pre>';
        print $thumbimgs;
        print '</pre>';
    }
    return $thumbimgs;
}

function netangelss3_replace_in_post_and_pages($from, $to, $to_local = false) {
    global $wpdb;
    netangelss3_writelog('netangelss3_replace_in_post_and_pages from:' . $from);
    netangelss3_writelog('netangelss3_replace_in_post_and_pages to:' . $to);
    netangelss3_writelog('netangelss3_replace_in_post_and_pages $to_local:' . $to_local);
    $wpdb->query($wpdb->prepare('UPDATE wp_posts SET post_content = REPLACE ( post_content, %s,  %s) WHERE post_content LIKE "%%%s%%"', $from, $to, $from));
    $wpdb->query($wpdb->prepare('UPDATE wp_postmeta SET meta_value = REPLACE ( meta_value, %s,  %s) WHERE meta_value LIKE "%%%s%%"', $from, $to, $from));

    //$wpdb->query($wpdb->prepare('UPDATE wp_posts SET guid = REPLACE ( guid, %s,  %s) WHERE meta_value LIKE "%%%s%%"', $from, $to, $from));

    /*
    $upload_dir = wp_upload_dir();
    $upload_dir['basedir']
    $local_path_url=$upload_dir['baseurl'];
    if (substr($local_path_url,len($local_path_url)-1,1) != '/')
    {
      $local_path_url +='/';
    }
    $wpdb->query($wpdb->prepare('UPDATE wp_postmeta SET meta_value = REPLACE ( meta_value, %s,  %s) WHERE meta_value LIKE "%%%s%%"', $from, $to, $from));
    */
}

function netangelss3_sendToCloud($s3inc, $uploadFile, $objname = '') {
    if (!$s3inc) {
        return false;
    }
    if ($objname == '') {
        $objname = basename($uploadFile);
    }
    if (!$s3inc->putObjectFile($uploadFile, netangelss3_getDefaultBucket(), $objname, S3::ACL_PUBLIC_READ)) {
        return false;
    }
    return netangelss3_urlGetFullUrl($objname);
}

function netangelss3_FileInAtth($file) {
    $atths = netangelss3_getAttachmentFilesList(true);
    if (in_array($file, $atths)) {
        return true;
    }
    return false;
}

function netangelss3_remoteFileExists($path) {
    netangelss3_writelog('netangelss3_remoteFileExists path before fix'.$path);
    if ((strpos($path, 'http://') === false) and (strpos($path, 'https://') === false)) {
        $path = netangelss3_urlGetFullUrl($path, True);
    }
    netangelss3_writelog('netangelss3_remoteFileExists path after fix'.$path);

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_URL, $path);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);
    curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla 4.0 (Netangels S3 Wordpress Plugin');
    curl_setopt($ch, CURLOPT_HEADER, true);
    curl_setopt($ch, CURLINFO_HEADER_OUT, true);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'HEAD'); // HTTP request is 'HEAD'
    curl_setopt($ch, CURLOPT_NOBODY, true);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);

    $content = curl_exec($ch);
    if (curl_errno($ch)) {
        netangelss3_writelog('netangelss3_remoteFileExists error exec return false');
        return false;
    }

    $result = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    netangelss3_writelog('netangelss3_remoteFileExists http_code'.$result);
    $ret_result = false;
    if ($result == 200) {
        netangelss3_writelog('netangelss3_remoteFileExists result true ');
        $ret_result = true;
    }
    curl_close($ch);
    return $ret_result;
}


function netangelss3_sendToCloudInSync($s3inc, $uploadFile, $objname = '') {
    if (!$s3inc) {
        return false;
    }
    if ($objname == '') {
        $objname = basename($uploadFile);
    }
    $arr = $s3inc->putObjectAndReturnRest($uploadFile, netangelss3_getDefaultBucket(), $objname, S3::ACL_PUBLIC_READ);
    $cloud_filename = '';
    if ($arr['result']) {
        $cloud_filename = netangelss3_urlGetFullUrl($objname);
    }
    return array(
        'cloud_filename' => $cloud_filename,
        'rest' => $arr['rest'],
        'result' => $arr['result']
    );
}


function netangelss3_deleteInCloud($s3inc, $name) {
    if (!$s3inc) {
        return false;
    }
    if (!$s3inc->deleteObject(netangelss3_getDefaultBucket(), $name)) {
        return false;
    }
    return true;
}

function netangelss3_getFromCloud($s3inc, $name, $destfile) {
    netangelss3_writelog('netangelss3_getFromCloud name:' . $name);
    $url = netangelss3_urlGetFullUrl($name, true);
    netangelss3_writelog('netangelss3_getFromCloud url:' . $url);
    $fp = fopen($destfile, 'w+');
    $ch = curl_init(str_replace(" ", "%20", $url));
    curl_setopt($ch, CURLOPT_TIMEOUT, 50);
    curl_setopt($ch, CURLOPT_FILE, $fp);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla 4.0 (Netangels S3 Wordpress Plugin)');
    curl_exec($ch);
    curl_close($ch);
    fclose($fp);
}

function netangelss3_s3_name($name) {
    $name = substr($name, 1);
    netangelss3_writelog('netangelss3_s3_name return  name'.$name);
    return $name;
}

function netangelss3_s3_namewithMd5($fullname, $name2) {
    $path_parts = pathinfo($name2);
    $md5OfFile = md5_file($fullname);
    $name = $path_parts['dirname'] . DIRECTORY_SEPARATOR . $path_parts['filename'] . '-' . $md5OfFile . '.' . $path_parts['extension'];
    return $name;
}


function netangelss3_urlGetFullUrl($name, $encode = false) {
    //print '<pre>'; var_dump($encode); print '</pre>';
    $bucket = netangelss3_getDefaultBucket();
    if (substr($name, 0, 1) == '/') {
        $name = substr($name, 1);
    }
    if ($encode) {
        $name_arr = explode('/', $name);
        $name_arr2 = array();
        foreach ($name_arr as $name1) {
            $name1 = rawurlencode($name1);
            $name_arr2[] = $name1;
        }
        $name_arr = $name_arr2;
        $name = implode('/', $name_arr);
        // Убирает утечки памяти
        $name_arr = array();
        $name_arr2 = array();
    }
    $url = 'http://' . $bucket . '.' . NETANGELSS3_ENDPOINT . '/' . $name;
    return $url;
}

function netangelss3_getList($s3inc) {
    return $s3inc->getBucket(netangelss3_getDefaultBucket());
}

function netangelss3_fine_size($bytes) {
    $bytes = floatval($bytes);
    $arBytes = array(
        0 => array(
            "UNIT" => "TB",
            "VALUE" => pow(1024, 4)
        ),
        1 => array(
            "UNIT" => "GB",
            "VALUE" => pow(1024, 3)
        ),
        2 => array(
            "UNIT" => "MB",
            "VALUE" => pow(1024, 2)
        ),
        3 => array(
            "UNIT" => "KB",
            "VALUE" => 1024
        ),
        4 => array(
            "UNIT" => "B",
            "VALUE" => 1
        ),
    );

    foreach ($arBytes as $arItem) {
        if ($bytes >= $arItem["VALUE"]) {
            $result = $bytes / $arItem["VALUE"];
            $result = str_replace(".", ",", strval(round($result, 2))) . " " . $arItem["UNIT"];
            break;
        }
    }
    return $result;
}

function netangelss3_filesize($fl) {
    $upload_dir = wp_upload_dir();
    return filesize($upload_dir['basedir'] . $fl);
}

function netangelss3_fileDesc($file) {
    $upload_dir = wp_upload_dir();
    $full_file = $upload_dir['basedir'] . $file;
    if (strpos($file, '/' . NETANGELSS3_DOWNLOAD_SPECIAL_DIR_NAME . '/') !== false) {
        return NETANGELSS3_MESSAGES_BEFORE_DOWNLOADING_FROM_S3;
    }
}

function netangelss3_getTypeByName($name) {
    $filetype = wp_check_filetype($name);
    list($maintype, $subtype) = explode('/', $filetype['type']);
    $filetype['maintype'] = $maintype;
    $filetype['subtype'] = $subtype;
    $filetype['wptype'] = wp_ext2type($filetype['ext']);
    if ($filetype['wptype'] == '') $filetype['wptype'] = 'default';
    return $filetype;
}

function netangelss3_getLiElement($item) {
    $name = $item['name'];
    $url = netangelss3_urlGetFullUrl($name);
    $type = netangelss3_getTypeByName($name);
    $s = '<li class="netangels_attachment" data-fileurl="' . $url . '" data-type="' . $type['maintype'] . '">';
    $s .= '<div class="type-' . $type['maintype'] . '">';
    $typ = netangelss3_getTypeByName($name);
    switch ($typ['maintype']) {
        case 'image':
            $s .= '<img src="/wp-includes/images/media/default.png" class="netangels_icon" draggable="false">';
            break;
        default:
            $s .= '<img src="/wp-includes/images/media/' . $type['wptype'] . '.png" class="netangels_icon" draggable="false">';
            break;
    }
    $s .= '<div class="filename">';
    $s .= '<div>' . $name . '</div>';
    $s .= '</div>';
    $s .= '<a class="check" href="#" title="Снять выделение"><div class="media-modal-icon"></div></a>';
    $s .= '</div>';
    $s .= '</li>';
    return $s;
}

function netangelss3_writelog($message, $level = 'DEBUG') {
    if (NETANGELSS3_DEBUG_LOG) {
        touch(NETANGELSS3_DEBUG_LOGFILE);
        $f = fopen(NETANGELSS3_DEBUG_LOGFILE, 'a');
        fwrite($f, '[' . date('r') . '] ' . $message . "\r\n");
        fclose($f);
    }
}