@@ -47,434 +47,434 @@ |
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47 | 47 | |
48 | 48 | class EncryptAll { |
49 | 49 | |
50 | - /** @var Setup */ |
|
51 | - protected $userSetup; |
|
52 | - |
|
53 | - /** @var IUserManager */ |
|
54 | - protected $userManager; |
|
55 | - |
|
56 | - /** @var View */ |
|
57 | - protected $rootView; |
|
58 | - |
|
59 | - /** @var KeyManager */ |
|
60 | - protected $keyManager; |
|
61 | - |
|
62 | - /** @var Util */ |
|
63 | - protected $util; |
|
64 | - |
|
65 | - /** @var array */ |
|
66 | - protected $userPasswords; |
|
67 | - |
|
68 | - /** @var IConfig */ |
|
69 | - protected $config; |
|
70 | - |
|
71 | - /** @var IMailer */ |
|
72 | - protected $mailer; |
|
73 | - |
|
74 | - /** @var IL10N */ |
|
75 | - protected $l; |
|
76 | - |
|
77 | - /** @var QuestionHelper */ |
|
78 | - protected $questionHelper; |
|
79 | - |
|
80 | - /** @var OutputInterface */ |
|
81 | - protected $output; |
|
82 | - |
|
83 | - /** @var InputInterface */ |
|
84 | - protected $input; |
|
85 | - |
|
86 | - /** @var ISecureRandom */ |
|
87 | - protected $secureRandom; |
|
88 | - |
|
89 | - /** |
|
90 | - * @param Setup $userSetup |
|
91 | - * @param IUserManager $userManager |
|
92 | - * @param View $rootView |
|
93 | - * @param KeyManager $keyManager |
|
94 | - * @param Util $util |
|
95 | - * @param IConfig $config |
|
96 | - * @param IMailer $mailer |
|
97 | - * @param IL10N $l |
|
98 | - * @param QuestionHelper $questionHelper |
|
99 | - * @param ISecureRandom $secureRandom |
|
100 | - */ |
|
101 | - public function __construct( |
|
102 | - Setup $userSetup, |
|
103 | - IUserManager $userManager, |
|
104 | - View $rootView, |
|
105 | - KeyManager $keyManager, |
|
106 | - Util $util, |
|
107 | - IConfig $config, |
|
108 | - IMailer $mailer, |
|
109 | - IL10N $l, |
|
110 | - QuestionHelper $questionHelper, |
|
111 | - ISecureRandom $secureRandom |
|
112 | - ) { |
|
113 | - $this->userSetup = $userSetup; |
|
114 | - $this->userManager = $userManager; |
|
115 | - $this->rootView = $rootView; |
|
116 | - $this->keyManager = $keyManager; |
|
117 | - $this->util = $util; |
|
118 | - $this->config = $config; |
|
119 | - $this->mailer = $mailer; |
|
120 | - $this->l = $l; |
|
121 | - $this->questionHelper = $questionHelper; |
|
122 | - $this->secureRandom = $secureRandom; |
|
123 | - // store one time passwords for the users |
|
124 | - $this->userPasswords = []; |
|
125 | - } |
|
126 | - |
|
127 | - /** |
|
128 | - * start to encrypt all files |
|
129 | - * |
|
130 | - * @param InputInterface $input |
|
131 | - * @param OutputInterface $output |
|
132 | - */ |
|
133 | - public function encryptAll(InputInterface $input, OutputInterface $output) { |
|
134 | - $this->input = $input; |
|
135 | - $this->output = $output; |
|
136 | - |
|
137 | - $headline = 'Encrypt all files with the ' . Encryption::DISPLAY_NAME; |
|
138 | - $this->output->writeln("\n"); |
|
139 | - $this->output->writeln($headline); |
|
140 | - $this->output->writeln(str_pad('', strlen($headline), '=')); |
|
141 | - $this->output->writeln("\n"); |
|
142 | - |
|
143 | - if ($this->util->isMasterKeyEnabled()) { |
|
144 | - $this->output->writeln('Use master key to encrypt all files.'); |
|
145 | - $this->keyManager->validateMasterKey(); |
|
146 | - } else { |
|
147 | - //create private/public keys for each user and store the private key password |
|
148 | - $this->output->writeln('Create key-pair for every user'); |
|
149 | - $this->output->writeln('------------------------------'); |
|
150 | - $this->output->writeln(''); |
|
151 | - $this->output->writeln('This module will encrypt all files in the users files folder initially.'); |
|
152 | - $this->output->writeln('Already existing versions and files in the trash bin will not be encrypted.'); |
|
153 | - $this->output->writeln(''); |
|
154 | - $this->createKeyPairs(); |
|
155 | - } |
|
156 | - |
|
157 | - |
|
158 | - // output generated encryption key passwords |
|
159 | - if ($this->util->isMasterKeyEnabled() === false) { |
|
160 | - //send-out or display password list and write it to a file |
|
161 | - $this->output->writeln("\n"); |
|
162 | - $this->output->writeln('Generated encryption key passwords'); |
|
163 | - $this->output->writeln('----------------------------------'); |
|
164 | - $this->output->writeln(''); |
|
165 | - $this->outputPasswords(); |
|
166 | - } |
|
167 | - |
|
168 | - //setup users file system and encrypt all files one by one (take should encrypt setting of storage into account) |
|
169 | - $this->output->writeln("\n"); |
|
170 | - $this->output->writeln('Start to encrypt users files'); |
|
171 | - $this->output->writeln('----------------------------'); |
|
172 | - $this->output->writeln(''); |
|
173 | - $this->encryptAllUsersFiles(); |
|
174 | - $this->output->writeln("\n"); |
|
175 | - } |
|
176 | - |
|
177 | - /** |
|
178 | - * create key-pair for every user |
|
179 | - */ |
|
180 | - protected function createKeyPairs() { |
|
181 | - $this->output->writeln("\n"); |
|
182 | - $progress = new ProgressBar($this->output); |
|
183 | - $progress->setFormat(" %message% \n [%bar%]"); |
|
184 | - $progress->start(); |
|
185 | - |
|
186 | - foreach ($this->userManager->getBackends() as $backend) { |
|
187 | - $limit = 500; |
|
188 | - $offset = 0; |
|
189 | - do { |
|
190 | - $users = $backend->getUsers('', $limit, $offset); |
|
191 | - foreach ($users as $user) { |
|
192 | - if ($this->keyManager->userHasKeys($user) === false) { |
|
193 | - $progress->setMessage('Create key-pair for ' . $user); |
|
194 | - $progress->advance(); |
|
195 | - $this->setupUserFS($user); |
|
196 | - $password = $this->generateOneTimePassword($user); |
|
197 | - $this->userSetup->setupUser($user, $password); |
|
198 | - } else { |
|
199 | - // users which already have a key-pair will be stored with a |
|
200 | - // empty password and filtered out later |
|
201 | - $this->userPasswords[$user] = ''; |
|
202 | - } |
|
203 | - } |
|
204 | - $offset += $limit; |
|
205 | - } while (count($users) >= $limit); |
|
206 | - } |
|
207 | - |
|
208 | - $progress->setMessage('Key-pair created for all users'); |
|
209 | - $progress->finish(); |
|
210 | - } |
|
211 | - |
|
212 | - /** |
|
213 | - * iterate over all user and encrypt their files |
|
214 | - */ |
|
215 | - protected function encryptAllUsersFiles() { |
|
216 | - $this->output->writeln("\n"); |
|
217 | - $progress = new ProgressBar($this->output); |
|
218 | - $progress->setFormat(" %message% \n [%bar%]"); |
|
219 | - $progress->start(); |
|
220 | - $numberOfUsers = count($this->userPasswords); |
|
221 | - $userNo = 1; |
|
222 | - if ($this->util->isMasterKeyEnabled()) { |
|
223 | - $this->encryptAllUserFilesWithMasterKey($progress); |
|
224 | - } else { |
|
225 | - foreach ($this->userPasswords as $uid => $password) { |
|
226 | - $userCount = "$uid ($userNo of $numberOfUsers)"; |
|
227 | - $this->encryptUsersFiles($uid, $progress, $userCount); |
|
228 | - $userNo++; |
|
229 | - } |
|
230 | - } |
|
231 | - $progress->setMessage("all files encrypted"); |
|
232 | - $progress->finish(); |
|
233 | - } |
|
234 | - |
|
235 | - /** |
|
236 | - * encrypt all user files with the master key |
|
237 | - * |
|
238 | - * @param ProgressBar $progress |
|
239 | - */ |
|
240 | - protected function encryptAllUserFilesWithMasterKey(ProgressBar $progress) { |
|
241 | - $userNo = 1; |
|
242 | - foreach ($this->userManager->getBackends() as $backend) { |
|
243 | - $limit = 500; |
|
244 | - $offset = 0; |
|
245 | - do { |
|
246 | - $users = $backend->getUsers('', $limit, $offset); |
|
247 | - foreach ($users as $user) { |
|
248 | - $userCount = "$user ($userNo)"; |
|
249 | - $this->encryptUsersFiles($user, $progress, $userCount); |
|
250 | - $userNo++; |
|
251 | - } |
|
252 | - $offset += $limit; |
|
253 | - } while (count($users) >= $limit); |
|
254 | - } |
|
255 | - } |
|
256 | - |
|
257 | - /** |
|
258 | - * encrypt files from the given user |
|
259 | - * |
|
260 | - * @param string $uid |
|
261 | - * @param ProgressBar $progress |
|
262 | - * @param string $userCount |
|
263 | - */ |
|
264 | - protected function encryptUsersFiles($uid, ProgressBar $progress, $userCount) { |
|
265 | - $this->setupUserFS($uid); |
|
266 | - $directories = []; |
|
267 | - $directories[] = '/' . $uid . '/files'; |
|
268 | - |
|
269 | - while ($root = array_pop($directories)) { |
|
270 | - $content = $this->rootView->getDirectoryContent($root); |
|
271 | - foreach ($content as $file) { |
|
272 | - $path = $root . '/' . $file['name']; |
|
273 | - if ($this->rootView->is_dir($path)) { |
|
274 | - $directories[] = $path; |
|
275 | - continue; |
|
276 | - } else { |
|
277 | - $progress->setMessage("encrypt files for user $userCount: $path"); |
|
278 | - $progress->advance(); |
|
279 | - if ($this->encryptFile($path) === false) { |
|
280 | - $progress->setMessage("encrypt files for user $userCount: $path (already encrypted)"); |
|
281 | - $progress->advance(); |
|
282 | - } |
|
283 | - } |
|
284 | - } |
|
285 | - } |
|
286 | - } |
|
287 | - |
|
288 | - /** |
|
289 | - * encrypt file |
|
290 | - * |
|
291 | - * @param string $path |
|
292 | - * @return bool |
|
293 | - */ |
|
294 | - protected function encryptFile($path) { |
|
295 | - |
|
296 | - // skip already encrypted files |
|
297 | - $fileInfo = $this->rootView->getFileInfo($path); |
|
298 | - if ($fileInfo !== false && $fileInfo->isEncrypted()) { |
|
299 | - return true; |
|
300 | - } |
|
301 | - |
|
302 | - $source = $path; |
|
303 | - $target = $path . '.encrypted.' . time(); |
|
304 | - |
|
305 | - try { |
|
306 | - $this->rootView->copy($source, $target); |
|
307 | - $this->rootView->rename($target, $source); |
|
308 | - } catch (DecryptionFailedException $e) { |
|
309 | - if ($this->rootView->file_exists($target)) { |
|
310 | - $this->rootView->unlink($target); |
|
311 | - } |
|
312 | - return false; |
|
313 | - } |
|
314 | - |
|
315 | - return true; |
|
316 | - } |
|
317 | - |
|
318 | - /** |
|
319 | - * output one-time encryption passwords |
|
320 | - */ |
|
321 | - protected function outputPasswords() { |
|
322 | - $table = new Table($this->output); |
|
323 | - $table->setHeaders(['Username', 'Private key password']); |
|
324 | - |
|
325 | - //create rows |
|
326 | - $newPasswords = []; |
|
327 | - $unchangedPasswords = []; |
|
328 | - foreach ($this->userPasswords as $uid => $password) { |
|
329 | - if (empty($password)) { |
|
330 | - $unchangedPasswords[] = $uid; |
|
331 | - } else { |
|
332 | - $newPasswords[] = [$uid, $password]; |
|
333 | - } |
|
334 | - } |
|
335 | - |
|
336 | - if (empty($newPasswords)) { |
|
337 | - $this->output->writeln("\nAll users already had a key-pair, no further action needed.\n"); |
|
338 | - return; |
|
339 | - } |
|
340 | - |
|
341 | - $table->setRows($newPasswords); |
|
342 | - $table->render(); |
|
343 | - |
|
344 | - if (!empty($unchangedPasswords)) { |
|
345 | - $this->output->writeln("\nThe following users already had a key-pair which was reused without setting a new password:\n"); |
|
346 | - foreach ($unchangedPasswords as $uid) { |
|
347 | - $this->output->writeln(" $uid"); |
|
348 | - } |
|
349 | - } |
|
350 | - |
|
351 | - $this->writePasswordsToFile($newPasswords); |
|
352 | - |
|
353 | - $this->output->writeln(''); |
|
354 | - $question = new ConfirmationQuestion('Do you want to send the passwords directly to the users by mail? (y/n) ', false); |
|
355 | - if ($this->questionHelper->ask($this->input, $this->output, $question)) { |
|
356 | - $this->sendPasswordsByMail(); |
|
357 | - } |
|
358 | - } |
|
359 | - |
|
360 | - /** |
|
361 | - * write one-time encryption passwords to a csv file |
|
362 | - * |
|
363 | - * @param array $passwords |
|
364 | - */ |
|
365 | - protected function writePasswordsToFile(array $passwords) { |
|
366 | - $fp = $this->rootView->fopen('oneTimeEncryptionPasswords.csv', 'w'); |
|
367 | - foreach ($passwords as $pwd) { |
|
368 | - fputcsv($fp, $pwd); |
|
369 | - } |
|
370 | - fclose($fp); |
|
371 | - $this->output->writeln("\n"); |
|
372 | - $this->output->writeln('A list of all newly created passwords was written to data/oneTimeEncryptionPasswords.csv'); |
|
373 | - $this->output->writeln(''); |
|
374 | - $this->output->writeln('Each of these users need to login to the web interface, go to the'); |
|
375 | - $this->output->writeln('personal settings section "basic encryption module" and'); |
|
376 | - $this->output->writeln('update the private key password to match the login password again by'); |
|
377 | - $this->output->writeln('entering the one-time password into the "old log-in password" field'); |
|
378 | - $this->output->writeln('and their current login password'); |
|
379 | - } |
|
380 | - |
|
381 | - /** |
|
382 | - * setup user file system |
|
383 | - * |
|
384 | - * @param string $uid |
|
385 | - */ |
|
386 | - protected function setupUserFS($uid) { |
|
387 | - \OC_Util::tearDownFS(); |
|
388 | - \OC_Util::setupFS($uid); |
|
389 | - } |
|
390 | - |
|
391 | - /** |
|
392 | - * generate one time password for the user and store it in a array |
|
393 | - * |
|
394 | - * @param string $uid |
|
395 | - * @return string password |
|
396 | - */ |
|
397 | - protected function generateOneTimePassword($uid) { |
|
398 | - $password = $this->secureRandom->generate(8); |
|
399 | - $this->userPasswords[$uid] = $password; |
|
400 | - return $password; |
|
401 | - } |
|
402 | - |
|
403 | - /** |
|
404 | - * send encryption key passwords to the users by mail |
|
405 | - */ |
|
406 | - protected function sendPasswordsByMail() { |
|
407 | - $noMail = []; |
|
408 | - |
|
409 | - $this->output->writeln(''); |
|
410 | - $progress = new ProgressBar($this->output, count($this->userPasswords)); |
|
411 | - $progress->start(); |
|
412 | - |
|
413 | - foreach ($this->userPasswords as $uid => $password) { |
|
414 | - $progress->advance(); |
|
415 | - if (!empty($password)) { |
|
416 | - $recipient = $this->userManager->get($uid); |
|
417 | - $recipientDisplayName = $recipient->getDisplayName(); |
|
418 | - $to = $recipient->getEMailAddress(); |
|
419 | - |
|
420 | - if ($to === '' || $to === null) { |
|
421 | - $noMail[] = $uid; |
|
422 | - continue; |
|
423 | - } |
|
424 | - |
|
425 | - $subject = $this->l->t('one-time password for server-side-encryption'); |
|
426 | - list($htmlBody, $textBody) = $this->createMailBody($password); |
|
427 | - |
|
428 | - // send it out now |
|
429 | - try { |
|
430 | - $message = $this->mailer->createMessage(); |
|
431 | - $message->setSubject($subject); |
|
432 | - $message->setTo([$to => $recipientDisplayName]); |
|
433 | - $message->setHtmlBody($htmlBody); |
|
434 | - $message->setPlainBody($textBody); |
|
435 | - $message->setFrom([ |
|
436 | - \OCP\Util::getDefaultEmailAddress('admin-noreply') |
|
437 | - ]); |
|
438 | - |
|
439 | - $this->mailer->send($message); |
|
440 | - } catch (\Exception $e) { |
|
441 | - $noMail[] = $uid; |
|
442 | - } |
|
443 | - } |
|
444 | - } |
|
445 | - |
|
446 | - $progress->finish(); |
|
447 | - |
|
448 | - if (empty($noMail)) { |
|
449 | - $this->output->writeln("\n\nPassword successfully send to all users"); |
|
450 | - } else { |
|
451 | - $table = new Table($this->output); |
|
452 | - $table->setHeaders(['Username', 'Private key password']); |
|
453 | - $this->output->writeln("\n\nCould not send password to following users:\n"); |
|
454 | - $rows = []; |
|
455 | - foreach ($noMail as $uid) { |
|
456 | - $rows[] = [$uid, $this->userPasswords[$uid]]; |
|
457 | - } |
|
458 | - $table->setRows($rows); |
|
459 | - $table->render(); |
|
460 | - } |
|
461 | - } |
|
462 | - |
|
463 | - /** |
|
464 | - * create mail body for plain text and html mail |
|
465 | - * |
|
466 | - * @param string $password one-time encryption password |
|
467 | - * @return array an array of the html mail body and the plain text mail body |
|
468 | - */ |
|
469 | - protected function createMailBody($password) { |
|
470 | - $html = new \OC_Template("encryption", "mail", ""); |
|
471 | - $html->assign('password', $password); |
|
472 | - $htmlMail = $html->fetchPage(); |
|
473 | - |
|
474 | - $plainText = new \OC_Template("encryption", "altmail", ""); |
|
475 | - $plainText->assign('password', $password); |
|
476 | - $plainTextMail = $plainText->fetchPage(); |
|
477 | - |
|
478 | - return [$htmlMail, $plainTextMail]; |
|
479 | - } |
|
50 | + /** @var Setup */ |
|
51 | + protected $userSetup; |
|
52 | + |
|
53 | + /** @var IUserManager */ |
|
54 | + protected $userManager; |
|
55 | + |
|
56 | + /** @var View */ |
|
57 | + protected $rootView; |
|
58 | + |
|
59 | + /** @var KeyManager */ |
|
60 | + protected $keyManager; |
|
61 | + |
|
62 | + /** @var Util */ |
|
63 | + protected $util; |
|
64 | + |
|
65 | + /** @var array */ |
|
66 | + protected $userPasswords; |
|
67 | + |
|
68 | + /** @var IConfig */ |
|
69 | + protected $config; |
|
70 | + |
|
71 | + /** @var IMailer */ |
|
72 | + protected $mailer; |
|
73 | + |
|
74 | + /** @var IL10N */ |
|
75 | + protected $l; |
|
76 | + |
|
77 | + /** @var QuestionHelper */ |
|
78 | + protected $questionHelper; |
|
79 | + |
|
80 | + /** @var OutputInterface */ |
|
81 | + protected $output; |
|
82 | + |
|
83 | + /** @var InputInterface */ |
|
84 | + protected $input; |
|
85 | + |
|
86 | + /** @var ISecureRandom */ |
|
87 | + protected $secureRandom; |
|
88 | + |
|
89 | + /** |
|
90 | + * @param Setup $userSetup |
|
91 | + * @param IUserManager $userManager |
|
92 | + * @param View $rootView |
|
93 | + * @param KeyManager $keyManager |
|
94 | + * @param Util $util |
|
95 | + * @param IConfig $config |
|
96 | + * @param IMailer $mailer |
|
97 | + * @param IL10N $l |
|
98 | + * @param QuestionHelper $questionHelper |
|
99 | + * @param ISecureRandom $secureRandom |
|
100 | + */ |
|
101 | + public function __construct( |
|
102 | + Setup $userSetup, |
|
103 | + IUserManager $userManager, |
|
104 | + View $rootView, |
|
105 | + KeyManager $keyManager, |
|
106 | + Util $util, |
|
107 | + IConfig $config, |
|
108 | + IMailer $mailer, |
|
109 | + IL10N $l, |
|
110 | + QuestionHelper $questionHelper, |
|
111 | + ISecureRandom $secureRandom |
|
112 | + ) { |
|
113 | + $this->userSetup = $userSetup; |
|
114 | + $this->userManager = $userManager; |
|
115 | + $this->rootView = $rootView; |
|
116 | + $this->keyManager = $keyManager; |
|
117 | + $this->util = $util; |
|
118 | + $this->config = $config; |
|
119 | + $this->mailer = $mailer; |
|
120 | + $this->l = $l; |
|
121 | + $this->questionHelper = $questionHelper; |
|
122 | + $this->secureRandom = $secureRandom; |
|
123 | + // store one time passwords for the users |
|
124 | + $this->userPasswords = []; |
|
125 | + } |
|
126 | + |
|
127 | + /** |
|
128 | + * start to encrypt all files |
|
129 | + * |
|
130 | + * @param InputInterface $input |
|
131 | + * @param OutputInterface $output |
|
132 | + */ |
|
133 | + public function encryptAll(InputInterface $input, OutputInterface $output) { |
|
134 | + $this->input = $input; |
|
135 | + $this->output = $output; |
|
136 | + |
|
137 | + $headline = 'Encrypt all files with the ' . Encryption::DISPLAY_NAME; |
|
138 | + $this->output->writeln("\n"); |
|
139 | + $this->output->writeln($headline); |
|
140 | + $this->output->writeln(str_pad('', strlen($headline), '=')); |
|
141 | + $this->output->writeln("\n"); |
|
142 | + |
|
143 | + if ($this->util->isMasterKeyEnabled()) { |
|
144 | + $this->output->writeln('Use master key to encrypt all files.'); |
|
145 | + $this->keyManager->validateMasterKey(); |
|
146 | + } else { |
|
147 | + //create private/public keys for each user and store the private key password |
|
148 | + $this->output->writeln('Create key-pair for every user'); |
|
149 | + $this->output->writeln('------------------------------'); |
|
150 | + $this->output->writeln(''); |
|
151 | + $this->output->writeln('This module will encrypt all files in the users files folder initially.'); |
|
152 | + $this->output->writeln('Already existing versions and files in the trash bin will not be encrypted.'); |
|
153 | + $this->output->writeln(''); |
|
154 | + $this->createKeyPairs(); |
|
155 | + } |
|
156 | + |
|
157 | + |
|
158 | + // output generated encryption key passwords |
|
159 | + if ($this->util->isMasterKeyEnabled() === false) { |
|
160 | + //send-out or display password list and write it to a file |
|
161 | + $this->output->writeln("\n"); |
|
162 | + $this->output->writeln('Generated encryption key passwords'); |
|
163 | + $this->output->writeln('----------------------------------'); |
|
164 | + $this->output->writeln(''); |
|
165 | + $this->outputPasswords(); |
|
166 | + } |
|
167 | + |
|
168 | + //setup users file system and encrypt all files one by one (take should encrypt setting of storage into account) |
|
169 | + $this->output->writeln("\n"); |
|
170 | + $this->output->writeln('Start to encrypt users files'); |
|
171 | + $this->output->writeln('----------------------------'); |
|
172 | + $this->output->writeln(''); |
|
173 | + $this->encryptAllUsersFiles(); |
|
174 | + $this->output->writeln("\n"); |
|
175 | + } |
|
176 | + |
|
177 | + /** |
|
178 | + * create key-pair for every user |
|
179 | + */ |
|
180 | + protected function createKeyPairs() { |
|
181 | + $this->output->writeln("\n"); |
|
182 | + $progress = new ProgressBar($this->output); |
|
183 | + $progress->setFormat(" %message% \n [%bar%]"); |
|
184 | + $progress->start(); |
|
185 | + |
|
186 | + foreach ($this->userManager->getBackends() as $backend) { |
|
187 | + $limit = 500; |
|
188 | + $offset = 0; |
|
189 | + do { |
|
190 | + $users = $backend->getUsers('', $limit, $offset); |
|
191 | + foreach ($users as $user) { |
|
192 | + if ($this->keyManager->userHasKeys($user) === false) { |
|
193 | + $progress->setMessage('Create key-pair for ' . $user); |
|
194 | + $progress->advance(); |
|
195 | + $this->setupUserFS($user); |
|
196 | + $password = $this->generateOneTimePassword($user); |
|
197 | + $this->userSetup->setupUser($user, $password); |
|
198 | + } else { |
|
199 | + // users which already have a key-pair will be stored with a |
|
200 | + // empty password and filtered out later |
|
201 | + $this->userPasswords[$user] = ''; |
|
202 | + } |
|
203 | + } |
|
204 | + $offset += $limit; |
|
205 | + } while (count($users) >= $limit); |
|
206 | + } |
|
207 | + |
|
208 | + $progress->setMessage('Key-pair created for all users'); |
|
209 | + $progress->finish(); |
|
210 | + } |
|
211 | + |
|
212 | + /** |
|
213 | + * iterate over all user and encrypt their files |
|
214 | + */ |
|
215 | + protected function encryptAllUsersFiles() { |
|
216 | + $this->output->writeln("\n"); |
|
217 | + $progress = new ProgressBar($this->output); |
|
218 | + $progress->setFormat(" %message% \n [%bar%]"); |
|
219 | + $progress->start(); |
|
220 | + $numberOfUsers = count($this->userPasswords); |
|
221 | + $userNo = 1; |
|
222 | + if ($this->util->isMasterKeyEnabled()) { |
|
223 | + $this->encryptAllUserFilesWithMasterKey($progress); |
|
224 | + } else { |
|
225 | + foreach ($this->userPasswords as $uid => $password) { |
|
226 | + $userCount = "$uid ($userNo of $numberOfUsers)"; |
|
227 | + $this->encryptUsersFiles($uid, $progress, $userCount); |
|
228 | + $userNo++; |
|
229 | + } |
|
230 | + } |
|
231 | + $progress->setMessage("all files encrypted"); |
|
232 | + $progress->finish(); |
|
233 | + } |
|
234 | + |
|
235 | + /** |
|
236 | + * encrypt all user files with the master key |
|
237 | + * |
|
238 | + * @param ProgressBar $progress |
|
239 | + */ |
|
240 | + protected function encryptAllUserFilesWithMasterKey(ProgressBar $progress) { |
|
241 | + $userNo = 1; |
|
242 | + foreach ($this->userManager->getBackends() as $backend) { |
|
243 | + $limit = 500; |
|
244 | + $offset = 0; |
|
245 | + do { |
|
246 | + $users = $backend->getUsers('', $limit, $offset); |
|
247 | + foreach ($users as $user) { |
|
248 | + $userCount = "$user ($userNo)"; |
|
249 | + $this->encryptUsersFiles($user, $progress, $userCount); |
|
250 | + $userNo++; |
|
251 | + } |
|
252 | + $offset += $limit; |
|
253 | + } while (count($users) >= $limit); |
|
254 | + } |
|
255 | + } |
|
256 | + |
|
257 | + /** |
|
258 | + * encrypt files from the given user |
|
259 | + * |
|
260 | + * @param string $uid |
|
261 | + * @param ProgressBar $progress |
|
262 | + * @param string $userCount |
|
263 | + */ |
|
264 | + protected function encryptUsersFiles($uid, ProgressBar $progress, $userCount) { |
|
265 | + $this->setupUserFS($uid); |
|
266 | + $directories = []; |
|
267 | + $directories[] = '/' . $uid . '/files'; |
|
268 | + |
|
269 | + while ($root = array_pop($directories)) { |
|
270 | + $content = $this->rootView->getDirectoryContent($root); |
|
271 | + foreach ($content as $file) { |
|
272 | + $path = $root . '/' . $file['name']; |
|
273 | + if ($this->rootView->is_dir($path)) { |
|
274 | + $directories[] = $path; |
|
275 | + continue; |
|
276 | + } else { |
|
277 | + $progress->setMessage("encrypt files for user $userCount: $path"); |
|
278 | + $progress->advance(); |
|
279 | + if ($this->encryptFile($path) === false) { |
|
280 | + $progress->setMessage("encrypt files for user $userCount: $path (already encrypted)"); |
|
281 | + $progress->advance(); |
|
282 | + } |
|
283 | + } |
|
284 | + } |
|
285 | + } |
|
286 | + } |
|
287 | + |
|
288 | + /** |
|
289 | + * encrypt file |
|
290 | + * |
|
291 | + * @param string $path |
|
292 | + * @return bool |
|
293 | + */ |
|
294 | + protected function encryptFile($path) { |
|
295 | + |
|
296 | + // skip already encrypted files |
|
297 | + $fileInfo = $this->rootView->getFileInfo($path); |
|
298 | + if ($fileInfo !== false && $fileInfo->isEncrypted()) { |
|
299 | + return true; |
|
300 | + } |
|
301 | + |
|
302 | + $source = $path; |
|
303 | + $target = $path . '.encrypted.' . time(); |
|
304 | + |
|
305 | + try { |
|
306 | + $this->rootView->copy($source, $target); |
|
307 | + $this->rootView->rename($target, $source); |
|
308 | + } catch (DecryptionFailedException $e) { |
|
309 | + if ($this->rootView->file_exists($target)) { |
|
310 | + $this->rootView->unlink($target); |
|
311 | + } |
|
312 | + return false; |
|
313 | + } |
|
314 | + |
|
315 | + return true; |
|
316 | + } |
|
317 | + |
|
318 | + /** |
|
319 | + * output one-time encryption passwords |
|
320 | + */ |
|
321 | + protected function outputPasswords() { |
|
322 | + $table = new Table($this->output); |
|
323 | + $table->setHeaders(['Username', 'Private key password']); |
|
324 | + |
|
325 | + //create rows |
|
326 | + $newPasswords = []; |
|
327 | + $unchangedPasswords = []; |
|
328 | + foreach ($this->userPasswords as $uid => $password) { |
|
329 | + if (empty($password)) { |
|
330 | + $unchangedPasswords[] = $uid; |
|
331 | + } else { |
|
332 | + $newPasswords[] = [$uid, $password]; |
|
333 | + } |
|
334 | + } |
|
335 | + |
|
336 | + if (empty($newPasswords)) { |
|
337 | + $this->output->writeln("\nAll users already had a key-pair, no further action needed.\n"); |
|
338 | + return; |
|
339 | + } |
|
340 | + |
|
341 | + $table->setRows($newPasswords); |
|
342 | + $table->render(); |
|
343 | + |
|
344 | + if (!empty($unchangedPasswords)) { |
|
345 | + $this->output->writeln("\nThe following users already had a key-pair which was reused without setting a new password:\n"); |
|
346 | + foreach ($unchangedPasswords as $uid) { |
|
347 | + $this->output->writeln(" $uid"); |
|
348 | + } |
|
349 | + } |
|
350 | + |
|
351 | + $this->writePasswordsToFile($newPasswords); |
|
352 | + |
|
353 | + $this->output->writeln(''); |
|
354 | + $question = new ConfirmationQuestion('Do you want to send the passwords directly to the users by mail? (y/n) ', false); |
|
355 | + if ($this->questionHelper->ask($this->input, $this->output, $question)) { |
|
356 | + $this->sendPasswordsByMail(); |
|
357 | + } |
|
358 | + } |
|
359 | + |
|
360 | + /** |
|
361 | + * write one-time encryption passwords to a csv file |
|
362 | + * |
|
363 | + * @param array $passwords |
|
364 | + */ |
|
365 | + protected function writePasswordsToFile(array $passwords) { |
|
366 | + $fp = $this->rootView->fopen('oneTimeEncryptionPasswords.csv', 'w'); |
|
367 | + foreach ($passwords as $pwd) { |
|
368 | + fputcsv($fp, $pwd); |
|
369 | + } |
|
370 | + fclose($fp); |
|
371 | + $this->output->writeln("\n"); |
|
372 | + $this->output->writeln('A list of all newly created passwords was written to data/oneTimeEncryptionPasswords.csv'); |
|
373 | + $this->output->writeln(''); |
|
374 | + $this->output->writeln('Each of these users need to login to the web interface, go to the'); |
|
375 | + $this->output->writeln('personal settings section "basic encryption module" and'); |
|
376 | + $this->output->writeln('update the private key password to match the login password again by'); |
|
377 | + $this->output->writeln('entering the one-time password into the "old log-in password" field'); |
|
378 | + $this->output->writeln('and their current login password'); |
|
379 | + } |
|
380 | + |
|
381 | + /** |
|
382 | + * setup user file system |
|
383 | + * |
|
384 | + * @param string $uid |
|
385 | + */ |
|
386 | + protected function setupUserFS($uid) { |
|
387 | + \OC_Util::tearDownFS(); |
|
388 | + \OC_Util::setupFS($uid); |
|
389 | + } |
|
390 | + |
|
391 | + /** |
|
392 | + * generate one time password for the user and store it in a array |
|
393 | + * |
|
394 | + * @param string $uid |
|
395 | + * @return string password |
|
396 | + */ |
|
397 | + protected function generateOneTimePassword($uid) { |
|
398 | + $password = $this->secureRandom->generate(8); |
|
399 | + $this->userPasswords[$uid] = $password; |
|
400 | + return $password; |
|
401 | + } |
|
402 | + |
|
403 | + /** |
|
404 | + * send encryption key passwords to the users by mail |
|
405 | + */ |
|
406 | + protected function sendPasswordsByMail() { |
|
407 | + $noMail = []; |
|
408 | + |
|
409 | + $this->output->writeln(''); |
|
410 | + $progress = new ProgressBar($this->output, count($this->userPasswords)); |
|
411 | + $progress->start(); |
|
412 | + |
|
413 | + foreach ($this->userPasswords as $uid => $password) { |
|
414 | + $progress->advance(); |
|
415 | + if (!empty($password)) { |
|
416 | + $recipient = $this->userManager->get($uid); |
|
417 | + $recipientDisplayName = $recipient->getDisplayName(); |
|
418 | + $to = $recipient->getEMailAddress(); |
|
419 | + |
|
420 | + if ($to === '' || $to === null) { |
|
421 | + $noMail[] = $uid; |
|
422 | + continue; |
|
423 | + } |
|
424 | + |
|
425 | + $subject = $this->l->t('one-time password for server-side-encryption'); |
|
426 | + list($htmlBody, $textBody) = $this->createMailBody($password); |
|
427 | + |
|
428 | + // send it out now |
|
429 | + try { |
|
430 | + $message = $this->mailer->createMessage(); |
|
431 | + $message->setSubject($subject); |
|
432 | + $message->setTo([$to => $recipientDisplayName]); |
|
433 | + $message->setHtmlBody($htmlBody); |
|
434 | + $message->setPlainBody($textBody); |
|
435 | + $message->setFrom([ |
|
436 | + \OCP\Util::getDefaultEmailAddress('admin-noreply') |
|
437 | + ]); |
|
438 | + |
|
439 | + $this->mailer->send($message); |
|
440 | + } catch (\Exception $e) { |
|
441 | + $noMail[] = $uid; |
|
442 | + } |
|
443 | + } |
|
444 | + } |
|
445 | + |
|
446 | + $progress->finish(); |
|
447 | + |
|
448 | + if (empty($noMail)) { |
|
449 | + $this->output->writeln("\n\nPassword successfully send to all users"); |
|
450 | + } else { |
|
451 | + $table = new Table($this->output); |
|
452 | + $table->setHeaders(['Username', 'Private key password']); |
|
453 | + $this->output->writeln("\n\nCould not send password to following users:\n"); |
|
454 | + $rows = []; |
|
455 | + foreach ($noMail as $uid) { |
|
456 | + $rows[] = [$uid, $this->userPasswords[$uid]]; |
|
457 | + } |
|
458 | + $table->setRows($rows); |
|
459 | + $table->render(); |
|
460 | + } |
|
461 | + } |
|
462 | + |
|
463 | + /** |
|
464 | + * create mail body for plain text and html mail |
|
465 | + * |
|
466 | + * @param string $password one-time encryption password |
|
467 | + * @return array an array of the html mail body and the plain text mail body |
|
468 | + */ |
|
469 | + protected function createMailBody($password) { |
|
470 | + $html = new \OC_Template("encryption", "mail", ""); |
|
471 | + $html->assign('password', $password); |
|
472 | + $htmlMail = $html->fetchPage(); |
|
473 | + |
|
474 | + $plainText = new \OC_Template("encryption", "altmail", ""); |
|
475 | + $plainText->assign('password', $password); |
|
476 | + $plainTextMail = $plainText->fetchPage(); |
|
477 | + |
|
478 | + return [$htmlMail, $plainTextMail]; |
|
479 | + } |
|
480 | 480 | } |