function backup($backup_array)
{
global $updraftplus;
$updraft_dir = $updraftplus->backups_dir_location() . '/';
$path = untrailingslashit(UpdraftPlus_Options::get_updraft_option('updraft_cloudfiles_path'));
$authurl = UpdraftPlus_Options::get_updraft_option('updraft_cloudfiles_authurl', 'https://auth.api.rackspacecloud.com');
// if (preg_match("#^([^/]+)/(.*)$#", $path, $bmatches)) {
// $container = $bmatches[1];
// $path = $bmatches[2];
// } else {
// $container = $path;
// $path = "";
// }
$container = $path;
$user = UpdraftPlus_Options::get_updraft_option('updraft_cloudfiles_user');
$apikey = UpdraftPlus_Options::get_updraft_option('updraft_cloudfiles_apikey');
try {
$conn = $this->getCF($user, $apikey, $authurl, UpdraftPlus_Options::get_updraft_option('updraft_ssl_useservercerts'));
$cont_obj = $conn->create_container($container);
} catch (AuthenticationException $e) {
$updraftplus->log('Cloud Files authentication failed (' . $e->getMessage() . ')');
$updraftplus->log(sprintf(__('%s authentication failed', 'updraftplus'), 'Cloud Files') . ' (' . $e->getMessage() . ')', 'error');
return false;
} catch (NoSuchAccountException $s) {
$updraftplus->log('Cloud Files authentication failed (' . $e->getMessage() . ')');
$updraftplus->log(sprintf(__('%s authentication failed', 'updraftplus'), 'Cloud Files') . ' (' . $e->getMessage() . ')', 'error');
return false;
} catch (Exception $e) {
$updraftplus->log('Cloud Files error - failed to create and access the container (' . $e->getMessage() . ')');
$updraftplus->log(__('Cloud Files error - failed to create and access the container', 'updraftplus') . ' (' . $e->getMessage() . ')', 'error');
return;
}
$chunk_size = 5 * 1024 * 1024;
foreach ($backup_array as $key => $file) {
$fullpath = $updraft_dir . $file;
$orig_file_size = filesize($fullpath);
// $cfpath = ($path == '') ? $file : "$path/$file";
// $chunk_path = ($path == '') ? "chunk-do-not-delete-$file" : "$path/chunk-do-not-delete-$file";
$cfpath = $file;
$chunk_path = "chunk-do-not-delete-{$file}";
try {
$object = new UpdraftPlus_CF_Object($cont_obj, $cfpath);
$object->content_type = "application/zip";
$uploaded_size = isset($object->content_length) ? $object->content_length : 0;
if ($uploaded_size <= $orig_file_size) {
$fp = @fopen($fullpath, "rb");
if (!$fp) {
$updraftplus->log("Cloud Files: failed to open file: {$fullpath}");
$updraftplus->log("{$file}: " . sprintf(__('%s Error: Failed to open local file', 'updraftplus'), 'Cloud Files'), 'error');
return false;
}
$chunks = floor($orig_file_size / $chunk_size);
// There will be a remnant unless the file size was exactly on a 5Mb boundary
if ($orig_file_size % $chunk_size > 0) {
$chunks++;
}
$updraftplus->log("Cloud Files upload: {$file} (chunks: {$chunks}) -> cloudfiles://{$container}/{$cfpath} ({$uploaded_size})");
if ($chunks < 2) {
try {
$object->load_from_filename($fullpath);
$updraftplus->log("Cloud Files regular upload: success");
$updraftplus->uploaded_file($file);
} catch (Exception $e) {
$updraftplus->log("Cloud Files regular upload: failed ({$file}) (" . $e->getMessage() . ")");
$updraftplus->log("{$file}: " . sprintf(__('%s Error: Failed to upload', 'updraftplus'), 'Cloud Files'), 'error');
}
} else {
$errors_so_far = 0;
for ($i = 1; $i <= $chunks; $i++) {
$upload_start = ($i - 1) * $chunk_size;
// The file size -1 equals the byte offset of the final byte
$upload_end = min($i * $chunk_size - 1, $orig_file_size - 1);
$upload_remotepath = $chunk_path . "_{$i}";
// Don't forget the +1; otherwise the last byte is omitted
$upload_size = $upload_end - $upload_start + 1;
$chunk_object = new UpdraftPlus_CF_Object($cont_obj, $upload_remotepath);
$chunk_object->content_type = "application/zip";
// Without this, some versions of Curl add Expect: 100-continue, which results in Curl then giving this back: curl error: 55) select/poll returned error
// Didn't make the difference - instead we just check below for actual success even when Curl reports an error
// $chunk_object->headers = array('Expect' => '');
$remote_size = isset($chunk_object->content_length) ? $chunk_object->content_length : 0;
if ($remote_size >= $upload_size) {
$updraftplus->log("Cloud Files: Chunk {$i} ({$upload_start} - {$upload_end}): already uploaded");
} else {
$updraftplus->log("Cloud Files: Chunk {$i} ({$upload_start} - {$upload_end}): begin upload");
// Upload the chunk
fseek($fp, $upload_start);
try {
$chunk_object->write($fp, $upload_size, false);
$updraftplus->record_uploaded_chunk(round(100 * $i / $chunks, 1), $i, $fullpath);
} catch (Exception $e) {
$updraftplus->log("Cloud Files chunk upload: error: ({$file} / {$i}) (" . $e->getMessage() . ")");
// Experience shows that Curl sometimes returns a select/poll error (curl error 55) even when everything succeeded. Google seems to indicate that this is a known bug.
$chunk_object = new UpdraftPlus_CF_Object($cont_obj, $upload_remotepath);
$chunk_object->content_type = "application/zip";
$remote_size = isset($chunk_object->content_length) ? $chunk_object->content_length : 0;
if ($remote_size >= $upload_size) {
$updraftplus->log("{$file}: Chunk now exists; ignoring error (presuming it was an apparently known curl bug)");
} else {
$updraftplus->log("{$file}: " . sprintf(__('%s Error: Failed to upload', 'updraftplus'), 'Cloud Files'), 'error');
$errors_so_far++;
if ($errors_so_far >= 3) {
return false;
}
}
}
}
}
if ($errors_so_far) {
return false;
}
// All chunks are uploaded - now upload the manifest
try {
$object->manifest = $container . "/" . $chunk_path . "_";
// Put a zero-length file
$object->write("", 0, false);
$object->sync_manifest();
$updraftplus->log("Cloud Files upload: success");
$updraftplus->uploaded_file($file);
// } catch (InvalidResponseException $e) {
} catch (Exception $e) {
$updraftplus->log('Cloud Files error - failed to re-assemble chunks (' . $e->getMessage() . ')');
$updraftplus->log(sprintf(__('%s error - failed to re-assemble chunks', 'updraftplus'), 'Cloud Files') . ' (' . $e->getMessage() . ')', 'error');
return false;
}
}
}
} catch (Exception $e) {
$updraftplus->log(__('Cloud Files error - failed to upload file', 'updraftplus') . ' (' . $e->getMessage() . ')');
$updraftplus->log(sprintf(__('%s error - failed to upload file', 'updraftplus'), 'Cloud Files') . ' (' . $e->getMessage() . ')', 'error');
return false;
}
}
$updraftplus->prune_retained_backups('cloudfiles', $this, array('cloudfiles_object' => $cont_obj, 'cloudfiles_orig_path' => $path, 'cloudfiles_container' => $container));
}
