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OwncloudContactsOfficial/lib/controller/importcontroller.php

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<?php
/**
* @author Thomas Tanghus
* Copyright (c) 2013 Thomas Tanghus (thomas@tanghus.net)
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OCA\Contacts\Controller;
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use OCA\Contacts\App,
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OCA\Contacts\JSONResponse,
OCA\Contacts\Controller,
Sabre\VObject;
/**
* Controller importing contacts
*/
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class ImportController extends Controller {
/**
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* @NoAdminRequired
*/
public function upload() {
$request = $this->request;
$params = $this->request->urlParams;
$response = new JSONResponse();
$view = \OCP\Files::getStorage('contacts');
if(!$view->file_exists('imports')) {
$view->mkdir('imports');
}
if (!isset($request->files['file'])) {
$response->bailOut(App::$l10n->t('No file was uploaded. Unknown error'));
return $response;
}
$file=$request->files['file'];
if($file['error'] !== UPLOAD_ERR_OK) {
$errors = array(
UPLOAD_ERR_OK => App::$l10n->t("There is no error, the file uploaded with success"),
UPLOAD_ERR_INI_SIZE => App::$l10n->t("The uploaded file exceeds the upload_max_filesize directive in php.ini")
.ini_get('upload_max_filesize'),
UPLOAD_ERR_FORM_SIZE => App::$l10n->t("The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form"),
UPLOAD_ERR_PARTIAL => App::$l10n->t("The uploaded file was only partially uploaded"),
UPLOAD_ERR_NO_FILE => App::$l10n->t("No file was uploaded"),
UPLOAD_ERR_NO_TMP_DIR => App::$l10n->t('Missing a temporary folder'),
UPLOAD_ERR_CANT_WRITE => App::$l10n->t('Failed to write to disk'),
);
$response->bailOut($errors[$error]);
return $response;
}
$maxUploadFilesize = \OCP\Util::maxUploadFilesize('/');
$maxHumanFilesize = \OCP\Util::humanFileSize($maxUploadFilesize);
$totalSize = $file['size'];
if ($maxUploadFilesize >= 0 and $totalSize > $maxUploadFilesize) {
$response->bailOut(App::$l10n->t('Not enough storage available'));
return $response;
}
$tmpname = $file['tmp_name'];
$filename = strtr($file['name'], array('/' => '', "\\" => ''));
if(is_uploaded_file($tmpname)) {
if(\OC\Files\Filesystem::isFileBlacklisted($filename)) {
$response->bailOut(App::$l10n->t('Attempt to upload blacklisted file:') . $filename);
return $response;
}
$content = file_get_contents($tmpname);
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
if($view->file_put_contents('/imports/'.$filename, $content)) {
\OC_FileProxy::$enabled = $proxyStatus;
$count = substr_count($content, 'BEGIN:');
$progresskey = 'contacts-import-' . rand();
$response->setParams(
array(
'filename'=>$filename,
'count' => $count,
'progresskey' => $progresskey,
'backend' => $params['backend'],
'addressbookid' => $params['addressbookid']
)
);
\OC_Cache::set($progresskey, '10', 300);
} else {
\OC_FileProxy::$enabled = $proxyStatus;
$response->bailOut(App::$l10n->t('Error uploading contacts to storage.'));
return $response;
}
} else {
$response->bailOut('Temporary file: \''.$tmpname.'\' has gone AWOL?');
return $response;
}
return $response;
}
/**
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* @NoAdminRequired
*/
public function prepare() {
$request = $this->request;
$params = $this->request->urlParams;
$response = new JSONResponse();
$filename = $request->post['filename'];
$path = $request->post['path'];
$view = \OCP\Files::getStorage('contacts');
if(!$view->file_exists('imports')) {
$view->mkdir('imports');
}
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
$content = \OC_Filesystem::file_get_contents($path . '/' . $filename);
if($view->file_put_contents('/imports/' . $filename, $content)) {
\OC_FileProxy::$enabled = $proxyStatus;
$count = substr_count($content, 'BEGIN:');
$progresskey = 'contacts-import-' . rand();
$response->setParams(
array(
'filename'=>$filename,
'count' => $count,
'progresskey' => $progresskey,
'backend' => $params['backend'],
'addressbookid' => $params['addressbookid']
)
);
\OC_Cache::set($progresskey, '10', 300);
} else {
\OC_FileProxy::$enabled = $proxyStatus;
$response->bailOut(App::$l10n->t('Error moving file to imports folder.'));
}
return $response;
}
/**
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* @NoAdminRequired
*/
public function start() {
$request = $this->request;
$response = new JSONResponse();
$params = $this->request->urlParams;
$app = new App($this->api->getUserId());
$addressBook = $app->getAddressBook($params['backend'], $params['addressbookid']);
if(!$addressBook->hasPermission(\OCP\PERMISSION_CREATE)) {
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$response->setStatus('403');
$response->bailOut(App::$l10n->t('You do not have permissions to import into this address book.'));
return $response;
}
$filename = isset($request->post['filename']) ? $request->post['filename'] : null;
$progresskey = isset($request->post['progresskey']) ? $request->post['progresskey'] : null;
if(is_null($filename)) {
$response->bailOut(App::$l10n->t('File name missing from request.'));
return $response;
}
if(is_null($progresskey)) {
$response->bailOut(App::$l10n->t('Progress key missing from request.'));
return $response;
}
$filename = strtr($filename, array('/' => '', "\\" => ''));
if(\OC\Files\Filesystem::isFileBlacklisted($filename)) {
$response->bailOut(App::$l10n->t('Attempt to access blacklisted file:') . $filename);
return $response;
}
$view = \OCP\Files::getStorage('contacts');
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
$file = $view->file_get_contents('/imports/' . $filename);
\OC_FileProxy::$enabled = $proxyStatus;
$writeProgress = function($pct) use ($progresskey) {
\OC_Cache::set($progresskey, $pct, 300);
};
$cleanup = function() use ($view, $filename, $progresskey) {
if(!$view->unlink('/imports/' . $filename)) {
$response->debug('Unable to unlink /imports/' . $filename);
}
\OC_Cache::remove($progresskey);
};
$writeProgress('20');
$nl = "\n";
$file = str_replace(array("\r","\n\n"), array("\n","\n"), $file);
$lines = explode($nl, $file);
$inelement = false;
$parts = array();
$card = array();
foreach($lines as $line) {
if(strtoupper(trim($line)) == 'BEGIN:VCARD') {
$inelement = true;
} elseif (strtoupper(trim($line)) == 'END:VCARD') {
$card[] = $line;
$parts[] = implode($nl, $card);
$card = array();
$inelement = false;
}
if ($inelement === true && trim($line) != '') {
$card[] = $line;
}
}
if(count($parts) === 0) {
$response->bailOut(App::$l10n->t('No contacts found in: ') . $filename);
$cleanup();
return $response;
}
//import the contacts
$writeProgress('40');
$imported = 0;
$failed = 0;
$partially = 0;
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// TODO: Add a new group: "Imported at {date}"
foreach($parts as $part) {
try {
$vcard = VObject\Reader::read($part);
} catch (VObject\ParseException $e) {
try {
$vcard = VObject\Reader::read($part, VObject\Reader::OPTION_IGNORE_INVALID_LINES);
$partially += 1;
$response->debug('Import: Retrying reading card. Error parsing VCard: ' . $e->getMessage());
} catch (\Exception $e) {
$failed += 1;
$response->debug('Import: skipping card. Error parsing VCard: ' . $e->getMessage());
continue; // Ditch cards that can't be parsed by Sabre.
}
}
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/**
* TODO
* - Check if a contact with identical UID exists.
* - If so, fetch that contact and call $contact->mergeFromVCard($vcard);
* - Increment $updated var (not present yet.)
* - continue
*/
try {
if($addressBook->addChild($vcard)) {
$imported += 1;
$writeProgress($imported);
} else {
$failed += 1;
}
} catch (\Exception $e) {
$response->debug('Error importing vcard: ' . $e->getMessage() . $nl . $vcard->serialize());
$failed += 1;
}
}
//done the import
sleep(3); // Give client side a chance to read the progress.
$response->setParams(
array(
'backend' => $params['backend'],
'addressbookid' => $params['addressbookid'],
'imported' => $imported,
'partially' => $partially,
'failed' => $failed,
)
);
return $response;
}
/**
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* @NoAdminRequired
*/
public function status() {
$request = $this->request;
$response = new JSONResponse();
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$progresskey = isset($request->get['progresskey']) ? $request->get['progresskey'] : null;
if(is_null($progresskey)) {
$response->bailOut(App::$l10n->t('Progress key missing from request.'));
return $response;
}
$response->setParams(array('progress' => \OC_Cache::get($progresskey)));
return $response;
}
}