@@ -36,286 +36,286 @@ |
||
36 | 36 | use Symfony\Component\Console\Output\OutputInterface; |
37 | 37 | |
38 | 38 | class FixEncryptedVersion extends Command { |
39 | - /** @var IConfig */ |
|
40 | - private $config; |
|
41 | - |
|
42 | - /** @var ILogger */ |
|
43 | - private $logger; |
|
44 | - |
|
45 | - /** @var IRootFolder */ |
|
46 | - private $rootFolder; |
|
47 | - |
|
48 | - /** @var IUserManager */ |
|
49 | - private $userManager; |
|
50 | - |
|
51 | - /** @var Util */ |
|
52 | - private $util; |
|
53 | - |
|
54 | - /** @var View */ |
|
55 | - private $view; |
|
56 | - |
|
57 | - /** @var bool */ |
|
58 | - private $supportLegacy; |
|
59 | - |
|
60 | - public function __construct( |
|
61 | - IConfig $config, |
|
62 | - ILogger $logger, |
|
63 | - IRootFolder $rootFolder, |
|
64 | - IUserManager $userManager, |
|
65 | - Util $util, |
|
66 | - View $view |
|
67 | - ) { |
|
68 | - $this->config = $config; |
|
69 | - $this->logger = $logger; |
|
70 | - $this->rootFolder = $rootFolder; |
|
71 | - $this->userManager = $userManager; |
|
72 | - $this->util = $util; |
|
73 | - $this->view = $view; |
|
74 | - $this->supportLegacy = false; |
|
75 | - |
|
76 | - parent::__construct(); |
|
77 | - } |
|
78 | - |
|
79 | - protected function configure(): void { |
|
80 | - parent::configure(); |
|
81 | - |
|
82 | - $this |
|
83 | - ->setName('encryption:fix-encrypted-version') |
|
84 | - ->setDescription('Fix the encrypted version if the encrypted file(s) are not downloadable.') |
|
85 | - ->addArgument( |
|
86 | - 'user', |
|
87 | - InputArgument::REQUIRED, |
|
88 | - 'The id of the user whose files need fixing' |
|
89 | - )->addOption( |
|
90 | - 'path', |
|
91 | - 'p', |
|
92 | - InputArgument::OPTIONAL, |
|
93 | - 'Limit files to fix with path, e.g., --path="/Music/Artist". If path indicates a directory, all the files inside directory will be fixed.' |
|
94 | - ); |
|
95 | - } |
|
96 | - |
|
97 | - protected function execute(InputInterface $input, OutputInterface $output): int { |
|
98 | - $skipSignatureCheck = $this->config->getSystemValue('encryption_skip_signature_check', false); |
|
99 | - $this->supportLegacy = $this->config->getSystemValueBool('encryption.legacy_format_support', false); |
|
100 | - |
|
101 | - if ($skipSignatureCheck) { |
|
102 | - $output->writeln("<error>Repairing is not possible when \"encryption_skip_signature_check\" is set. Please disable this flag in the configuration.</error>\n"); |
|
103 | - return 1; |
|
104 | - } |
|
105 | - |
|
106 | - if (!$this->util->isMasterKeyEnabled()) { |
|
107 | - $output->writeln("<error>Repairing only works with master key encryption.</error>\n"); |
|
108 | - return 1; |
|
109 | - } |
|
110 | - |
|
111 | - $user = (string)$input->getArgument('user'); |
|
112 | - $pathToWalk = "/$user/files"; |
|
113 | - |
|
114 | - $pathOption = \trim(($input->getOption('path') ?? ''), '/'); |
|
115 | - if ($pathOption !== "") { |
|
116 | - $pathToWalk = "$pathToWalk/$pathOption"; |
|
117 | - } |
|
118 | - |
|
119 | - if ($user === '') { |
|
120 | - $output->writeln("<error>No user id provided.</error>\n"); |
|
121 | - return 1; |
|
122 | - } |
|
123 | - |
|
124 | - if ($this->userManager->get($user) === null) { |
|
125 | - $output->writeln("<error>User id $user does not exist. Please provide a valid user id</error>"); |
|
126 | - return 1; |
|
127 | - } |
|
128 | - return $this->walkPathOfUser($user, $pathToWalk, $output); |
|
129 | - } |
|
130 | - |
|
131 | - /** |
|
132 | - * @return int 0 for success, 1 for error |
|
133 | - */ |
|
134 | - private function walkPathOfUser(string $user, string $path, OutputInterface $output): int { |
|
135 | - $this->setupUserFs($user); |
|
136 | - if (!$this->view->file_exists($path)) { |
|
137 | - $output->writeln("<error>Path \"$path\" does not exist. Please provide a valid path.</error>"); |
|
138 | - return 1; |
|
139 | - } |
|
140 | - |
|
141 | - if ($this->view->is_file($path)) { |
|
142 | - $output->writeln("Verifying the content of file \"$path\""); |
|
143 | - $this->verifyFileContent($path, $output); |
|
144 | - return 0; |
|
145 | - } |
|
146 | - $directories = []; |
|
147 | - $directories[] = $path; |
|
148 | - while ($root = \array_pop($directories)) { |
|
149 | - $directoryContent = $this->view->getDirectoryContent($root); |
|
150 | - foreach ($directoryContent as $file) { |
|
151 | - $path = $root . '/' . $file['name']; |
|
152 | - if ($this->view->is_dir($path)) { |
|
153 | - $directories[] = $path; |
|
154 | - } else { |
|
155 | - $output->writeln("Verifying the content of file \"$path\""); |
|
156 | - $this->verifyFileContent($path, $output); |
|
157 | - } |
|
158 | - } |
|
159 | - } |
|
160 | - return 0; |
|
161 | - } |
|
162 | - |
|
163 | - /** |
|
164 | - * @param bool $ignoreCorrectEncVersionCall, setting this variable to false avoids recursion |
|
165 | - */ |
|
166 | - private function verifyFileContent(string $path, OutputInterface $output, bool $ignoreCorrectEncVersionCall = true): bool { |
|
167 | - try { |
|
168 | - /** |
|
169 | - * In encryption, the files are read in a block size of 8192 bytes |
|
170 | - * Read block size of 8192 and a bit more (808 bytes) |
|
171 | - * If there is any problem, the first block should throw the signature |
|
172 | - * mismatch error. Which as of now, is enough to proceed ahead to |
|
173 | - * correct the encrypted version. |
|
174 | - */ |
|
175 | - $handle = $this->view->fopen($path, 'rb'); |
|
176 | - |
|
177 | - if ($handle === false) { |
|
178 | - $output->writeln("<warning>Failed to open file: \"$path\" skipping</warning>"); |
|
179 | - return true; |
|
180 | - } |
|
181 | - |
|
182 | - if (\fread($handle, 9001) !== false) { |
|
183 | - $fileInfo = $this->view->getFileInfo($path); |
|
184 | - if (!$fileInfo) { |
|
185 | - $output->writeln("<warning>File info not found for file: \"$path\"</warning>"); |
|
186 | - return true; |
|
187 | - } |
|
188 | - $encryptedVersion = $fileInfo->getEncryptedVersion(); |
|
189 | - $stat = $this->view->stat($path); |
|
190 | - if (($encryptedVersion == 0) && isset($stat['hasHeader']) && ($stat['hasHeader'] == true)) { |
|
191 | - // The file has encrypted to false but has an encryption header |
|
192 | - if ($ignoreCorrectEncVersionCall === true) { |
|
193 | - // Lets rectify the file by correcting encrypted version |
|
194 | - $output->writeln("<info>Attempting to fix the path: \"$path\"</info>"); |
|
195 | - return $this->correctEncryptedVersion($path, $output); |
|
196 | - } |
|
197 | - return false; |
|
198 | - } |
|
199 | - $output->writeln("<info>The file \"$path\" is: OK</info>"); |
|
200 | - } |
|
201 | - |
|
202 | - \fclose($handle); |
|
203 | - |
|
204 | - return true; |
|
205 | - } catch (ServerNotAvailableException $e) { |
|
206 | - // not a "bad signature" error and likely "legacy cipher" exception |
|
207 | - // this could mean that the file is maybe not encrypted but the encrypted version is set |
|
208 | - if (!$this->supportLegacy && $ignoreCorrectEncVersionCall === true) { |
|
209 | - $output->writeln("<info>Attempting to fix the path: \"$path\"</info>"); |
|
210 | - return $this->correctEncryptedVersion($path, $output, true); |
|
211 | - } |
|
212 | - return false; |
|
213 | - } catch (HintException $e) { |
|
214 | - $this->logger->warning("Issue: " . $e->getMessage()); |
|
215 | - // If allowOnce is set to false, this becomes recursive. |
|
216 | - if ($ignoreCorrectEncVersionCall === true) { |
|
217 | - // Lets rectify the file by correcting encrypted version |
|
218 | - $output->writeln("<info>Attempting to fix the path: \"$path\"</info>"); |
|
219 | - return $this->correctEncryptedVersion($path, $output); |
|
220 | - } |
|
221 | - return false; |
|
222 | - } |
|
223 | - } |
|
224 | - |
|
225 | - /** |
|
226 | - * @param bool $includeZero whether to try zero version for unencrypted file |
|
227 | - */ |
|
228 | - private function correctEncryptedVersion(string $path, OutputInterface $output, bool $includeZero = false): bool { |
|
229 | - $fileInfo = $this->view->getFileInfo($path); |
|
230 | - if (!$fileInfo) { |
|
231 | - $output->writeln("<warning>File info not found for file: \"$path\"</warning>"); |
|
232 | - return true; |
|
233 | - } |
|
234 | - $fileId = $fileInfo->getId(); |
|
235 | - if ($fileId === null) { |
|
236 | - $output->writeln("<warning>File info contains no id for file: \"$path\"</warning>"); |
|
237 | - return true; |
|
238 | - } |
|
239 | - $encryptedVersion = $fileInfo->getEncryptedVersion(); |
|
240 | - $wrongEncryptedVersion = $encryptedVersion; |
|
241 | - |
|
242 | - $storage = $fileInfo->getStorage(); |
|
243 | - |
|
244 | - $cache = $storage->getCache(); |
|
245 | - $fileCache = $cache->get($fileId); |
|
246 | - if (!$fileCache) { |
|
247 | - $output->writeln("<warning>File cache entry not found for file: \"$path\"</warning>"); |
|
248 | - return true; |
|
249 | - } |
|
250 | - |
|
251 | - if ($storage->instanceOfStorage('OCA\Files_Sharing\ISharedStorage')) { |
|
252 | - $output->writeln("<info>The file: \"$path\" is a share. Please also run the script for the owner of the share</info>"); |
|
253 | - return true; |
|
254 | - } |
|
255 | - |
|
256 | - // Save original encrypted version so we can restore it if decryption fails with all version |
|
257 | - $originalEncryptedVersion = $encryptedVersion; |
|
258 | - if ($encryptedVersion >= 0) { |
|
259 | - if ($includeZero) { |
|
260 | - // try with zero first |
|
261 | - $cacheInfo = ['encryptedVersion' => 0, 'encrypted' => 0]; |
|
262 | - $cache->put($fileCache->getPath(), $cacheInfo); |
|
263 | - $output->writeln("<info>Set the encrypted version to 0 (unencrypted)</info>"); |
|
264 | - if ($this->verifyFileContent($path, $output, false) === true) { |
|
265 | - $output->writeln("<info>Fixed the file: \"$path\" with version 0 (unencrypted)</info>"); |
|
266 | - return true; |
|
267 | - } |
|
268 | - } |
|
269 | - |
|
270 | - // Test by decrementing the value till 1 and if nothing works try incrementing |
|
271 | - $encryptedVersion--; |
|
272 | - while ($encryptedVersion > 0) { |
|
273 | - $cacheInfo = ['encryptedVersion' => $encryptedVersion, 'encrypted' => $encryptedVersion]; |
|
274 | - $cache->put($fileCache->getPath(), $cacheInfo); |
|
275 | - $output->writeln("<info>Decrement the encrypted version to $encryptedVersion</info>"); |
|
276 | - if ($this->verifyFileContent($path, $output, false) === true) { |
|
277 | - $output->writeln("<info>Fixed the file: \"$path\" with version " . $encryptedVersion . "</info>"); |
|
278 | - return true; |
|
279 | - } |
|
280 | - $encryptedVersion--; |
|
281 | - } |
|
282 | - |
|
283 | - // So decrementing did not work. Now lets increment. Max increment is till 5 |
|
284 | - $increment = 1; |
|
285 | - while ($increment <= 5) { |
|
286 | - /** |
|
287 | - * The wrongEncryptedVersion would not be incremented so nothing to worry about here. |
|
288 | - * Only the newEncryptedVersion is incremented. |
|
289 | - * For example if the wrong encrypted version is 4 then |
|
290 | - * cycle1 -> newEncryptedVersion = 5 ( 4 + 1) |
|
291 | - * cycle2 -> newEncryptedVersion = 6 ( 4 + 2) |
|
292 | - * cycle3 -> newEncryptedVersion = 7 ( 4 + 3) |
|
293 | - */ |
|
294 | - $newEncryptedVersion = $wrongEncryptedVersion + $increment; |
|
295 | - |
|
296 | - $cacheInfo = ['encryptedVersion' => $newEncryptedVersion, 'encrypted' => $newEncryptedVersion]; |
|
297 | - $cache->put($fileCache->getPath(), $cacheInfo); |
|
298 | - $output->writeln("<info>Increment the encrypted version to $newEncryptedVersion</info>"); |
|
299 | - if ($this->verifyFileContent($path, $output, false) === true) { |
|
300 | - $output->writeln("<info>Fixed the file: \"$path\" with version " . $newEncryptedVersion . "</info>"); |
|
301 | - return true; |
|
302 | - } |
|
303 | - $increment++; |
|
304 | - } |
|
305 | - } |
|
306 | - |
|
307 | - $cacheInfo = ['encryptedVersion' => $originalEncryptedVersion, 'encrypted' => $originalEncryptedVersion]; |
|
308 | - $cache->put($fileCache->getPath(), $cacheInfo); |
|
309 | - $output->writeln("<info>No fix found for \"$path\", restored version to original: $originalEncryptedVersion</info>"); |
|
310 | - |
|
311 | - return false; |
|
312 | - } |
|
313 | - |
|
314 | - /** |
|
315 | - * Setup user file system |
|
316 | - */ |
|
317 | - private function setupUserFs(string $uid): void { |
|
318 | - \OC_Util::tearDownFS(); |
|
319 | - \OC_Util::setupFS($uid); |
|
320 | - } |
|
39 | + /** @var IConfig */ |
|
40 | + private $config; |
|
41 | + |
|
42 | + /** @var ILogger */ |
|
43 | + private $logger; |
|
44 | + |
|
45 | + /** @var IRootFolder */ |
|
46 | + private $rootFolder; |
|
47 | + |
|
48 | + /** @var IUserManager */ |
|
49 | + private $userManager; |
|
50 | + |
|
51 | + /** @var Util */ |
|
52 | + private $util; |
|
53 | + |
|
54 | + /** @var View */ |
|
55 | + private $view; |
|
56 | + |
|
57 | + /** @var bool */ |
|
58 | + private $supportLegacy; |
|
59 | + |
|
60 | + public function __construct( |
|
61 | + IConfig $config, |
|
62 | + ILogger $logger, |
|
63 | + IRootFolder $rootFolder, |
|
64 | + IUserManager $userManager, |
|
65 | + Util $util, |
|
66 | + View $view |
|
67 | + ) { |
|
68 | + $this->config = $config; |
|
69 | + $this->logger = $logger; |
|
70 | + $this->rootFolder = $rootFolder; |
|
71 | + $this->userManager = $userManager; |
|
72 | + $this->util = $util; |
|
73 | + $this->view = $view; |
|
74 | + $this->supportLegacy = false; |
|
75 | + |
|
76 | + parent::__construct(); |
|
77 | + } |
|
78 | + |
|
79 | + protected function configure(): void { |
|
80 | + parent::configure(); |
|
81 | + |
|
82 | + $this |
|
83 | + ->setName('encryption:fix-encrypted-version') |
|
84 | + ->setDescription('Fix the encrypted version if the encrypted file(s) are not downloadable.') |
|
85 | + ->addArgument( |
|
86 | + 'user', |
|
87 | + InputArgument::REQUIRED, |
|
88 | + 'The id of the user whose files need fixing' |
|
89 | + )->addOption( |
|
90 | + 'path', |
|
91 | + 'p', |
|
92 | + InputArgument::OPTIONAL, |
|
93 | + 'Limit files to fix with path, e.g., --path="/Music/Artist". If path indicates a directory, all the files inside directory will be fixed.' |
|
94 | + ); |
|
95 | + } |
|
96 | + |
|
97 | + protected function execute(InputInterface $input, OutputInterface $output): int { |
|
98 | + $skipSignatureCheck = $this->config->getSystemValue('encryption_skip_signature_check', false); |
|
99 | + $this->supportLegacy = $this->config->getSystemValueBool('encryption.legacy_format_support', false); |
|
100 | + |
|
101 | + if ($skipSignatureCheck) { |
|
102 | + $output->writeln("<error>Repairing is not possible when \"encryption_skip_signature_check\" is set. Please disable this flag in the configuration.</error>\n"); |
|
103 | + return 1; |
|
104 | + } |
|
105 | + |
|
106 | + if (!$this->util->isMasterKeyEnabled()) { |
|
107 | + $output->writeln("<error>Repairing only works with master key encryption.</error>\n"); |
|
108 | + return 1; |
|
109 | + } |
|
110 | + |
|
111 | + $user = (string)$input->getArgument('user'); |
|
112 | + $pathToWalk = "/$user/files"; |
|
113 | + |
|
114 | + $pathOption = \trim(($input->getOption('path') ?? ''), '/'); |
|
115 | + if ($pathOption !== "") { |
|
116 | + $pathToWalk = "$pathToWalk/$pathOption"; |
|
117 | + } |
|
118 | + |
|
119 | + if ($user === '') { |
|
120 | + $output->writeln("<error>No user id provided.</error>\n"); |
|
121 | + return 1; |
|
122 | + } |
|
123 | + |
|
124 | + if ($this->userManager->get($user) === null) { |
|
125 | + $output->writeln("<error>User id $user does not exist. Please provide a valid user id</error>"); |
|
126 | + return 1; |
|
127 | + } |
|
128 | + return $this->walkPathOfUser($user, $pathToWalk, $output); |
|
129 | + } |
|
130 | + |
|
131 | + /** |
|
132 | + * @return int 0 for success, 1 for error |
|
133 | + */ |
|
134 | + private function walkPathOfUser(string $user, string $path, OutputInterface $output): int { |
|
135 | + $this->setupUserFs($user); |
|
136 | + if (!$this->view->file_exists($path)) { |
|
137 | + $output->writeln("<error>Path \"$path\" does not exist. Please provide a valid path.</error>"); |
|
138 | + return 1; |
|
139 | + } |
|
140 | + |
|
141 | + if ($this->view->is_file($path)) { |
|
142 | + $output->writeln("Verifying the content of file \"$path\""); |
|
143 | + $this->verifyFileContent($path, $output); |
|
144 | + return 0; |
|
145 | + } |
|
146 | + $directories = []; |
|
147 | + $directories[] = $path; |
|
148 | + while ($root = \array_pop($directories)) { |
|
149 | + $directoryContent = $this->view->getDirectoryContent($root); |
|
150 | + foreach ($directoryContent as $file) { |
|
151 | + $path = $root . '/' . $file['name']; |
|
152 | + if ($this->view->is_dir($path)) { |
|
153 | + $directories[] = $path; |
|
154 | + } else { |
|
155 | + $output->writeln("Verifying the content of file \"$path\""); |
|
156 | + $this->verifyFileContent($path, $output); |
|
157 | + } |
|
158 | + } |
|
159 | + } |
|
160 | + return 0; |
|
161 | + } |
|
162 | + |
|
163 | + /** |
|
164 | + * @param bool $ignoreCorrectEncVersionCall, setting this variable to false avoids recursion |
|
165 | + */ |
|
166 | + private function verifyFileContent(string $path, OutputInterface $output, bool $ignoreCorrectEncVersionCall = true): bool { |
|
167 | + try { |
|
168 | + /** |
|
169 | + * In encryption, the files are read in a block size of 8192 bytes |
|
170 | + * Read block size of 8192 and a bit more (808 bytes) |
|
171 | + * If there is any problem, the first block should throw the signature |
|
172 | + * mismatch error. Which as of now, is enough to proceed ahead to |
|
173 | + * correct the encrypted version. |
|
174 | + */ |
|
175 | + $handle = $this->view->fopen($path, 'rb'); |
|
176 | + |
|
177 | + if ($handle === false) { |
|
178 | + $output->writeln("<warning>Failed to open file: \"$path\" skipping</warning>"); |
|
179 | + return true; |
|
180 | + } |
|
181 | + |
|
182 | + if (\fread($handle, 9001) !== false) { |
|
183 | + $fileInfo = $this->view->getFileInfo($path); |
|
184 | + if (!$fileInfo) { |
|
185 | + $output->writeln("<warning>File info not found for file: \"$path\"</warning>"); |
|
186 | + return true; |
|
187 | + } |
|
188 | + $encryptedVersion = $fileInfo->getEncryptedVersion(); |
|
189 | + $stat = $this->view->stat($path); |
|
190 | + if (($encryptedVersion == 0) && isset($stat['hasHeader']) && ($stat['hasHeader'] == true)) { |
|
191 | + // The file has encrypted to false but has an encryption header |
|
192 | + if ($ignoreCorrectEncVersionCall === true) { |
|
193 | + // Lets rectify the file by correcting encrypted version |
|
194 | + $output->writeln("<info>Attempting to fix the path: \"$path\"</info>"); |
|
195 | + return $this->correctEncryptedVersion($path, $output); |
|
196 | + } |
|
197 | + return false; |
|
198 | + } |
|
199 | + $output->writeln("<info>The file \"$path\" is: OK</info>"); |
|
200 | + } |
|
201 | + |
|
202 | + \fclose($handle); |
|
203 | + |
|
204 | + return true; |
|
205 | + } catch (ServerNotAvailableException $e) { |
|
206 | + // not a "bad signature" error and likely "legacy cipher" exception |
|
207 | + // this could mean that the file is maybe not encrypted but the encrypted version is set |
|
208 | + if (!$this->supportLegacy && $ignoreCorrectEncVersionCall === true) { |
|
209 | + $output->writeln("<info>Attempting to fix the path: \"$path\"</info>"); |
|
210 | + return $this->correctEncryptedVersion($path, $output, true); |
|
211 | + } |
|
212 | + return false; |
|
213 | + } catch (HintException $e) { |
|
214 | + $this->logger->warning("Issue: " . $e->getMessage()); |
|
215 | + // If allowOnce is set to false, this becomes recursive. |
|
216 | + if ($ignoreCorrectEncVersionCall === true) { |
|
217 | + // Lets rectify the file by correcting encrypted version |
|
218 | + $output->writeln("<info>Attempting to fix the path: \"$path\"</info>"); |
|
219 | + return $this->correctEncryptedVersion($path, $output); |
|
220 | + } |
|
221 | + return false; |
|
222 | + } |
|
223 | + } |
|
224 | + |
|
225 | + /** |
|
226 | + * @param bool $includeZero whether to try zero version for unencrypted file |
|
227 | + */ |
|
228 | + private function correctEncryptedVersion(string $path, OutputInterface $output, bool $includeZero = false): bool { |
|
229 | + $fileInfo = $this->view->getFileInfo($path); |
|
230 | + if (!$fileInfo) { |
|
231 | + $output->writeln("<warning>File info not found for file: \"$path\"</warning>"); |
|
232 | + return true; |
|
233 | + } |
|
234 | + $fileId = $fileInfo->getId(); |
|
235 | + if ($fileId === null) { |
|
236 | + $output->writeln("<warning>File info contains no id for file: \"$path\"</warning>"); |
|
237 | + return true; |
|
238 | + } |
|
239 | + $encryptedVersion = $fileInfo->getEncryptedVersion(); |
|
240 | + $wrongEncryptedVersion = $encryptedVersion; |
|
241 | + |
|
242 | + $storage = $fileInfo->getStorage(); |
|
243 | + |
|
244 | + $cache = $storage->getCache(); |
|
245 | + $fileCache = $cache->get($fileId); |
|
246 | + if (!$fileCache) { |
|
247 | + $output->writeln("<warning>File cache entry not found for file: \"$path\"</warning>"); |
|
248 | + return true; |
|
249 | + } |
|
250 | + |
|
251 | + if ($storage->instanceOfStorage('OCA\Files_Sharing\ISharedStorage')) { |
|
252 | + $output->writeln("<info>The file: \"$path\" is a share. Please also run the script for the owner of the share</info>"); |
|
253 | + return true; |
|
254 | + } |
|
255 | + |
|
256 | + // Save original encrypted version so we can restore it if decryption fails with all version |
|
257 | + $originalEncryptedVersion = $encryptedVersion; |
|
258 | + if ($encryptedVersion >= 0) { |
|
259 | + if ($includeZero) { |
|
260 | + // try with zero first |
|
261 | + $cacheInfo = ['encryptedVersion' => 0, 'encrypted' => 0]; |
|
262 | + $cache->put($fileCache->getPath(), $cacheInfo); |
|
263 | + $output->writeln("<info>Set the encrypted version to 0 (unencrypted)</info>"); |
|
264 | + if ($this->verifyFileContent($path, $output, false) === true) { |
|
265 | + $output->writeln("<info>Fixed the file: \"$path\" with version 0 (unencrypted)</info>"); |
|
266 | + return true; |
|
267 | + } |
|
268 | + } |
|
269 | + |
|
270 | + // Test by decrementing the value till 1 and if nothing works try incrementing |
|
271 | + $encryptedVersion--; |
|
272 | + while ($encryptedVersion > 0) { |
|
273 | + $cacheInfo = ['encryptedVersion' => $encryptedVersion, 'encrypted' => $encryptedVersion]; |
|
274 | + $cache->put($fileCache->getPath(), $cacheInfo); |
|
275 | + $output->writeln("<info>Decrement the encrypted version to $encryptedVersion</info>"); |
|
276 | + if ($this->verifyFileContent($path, $output, false) === true) { |
|
277 | + $output->writeln("<info>Fixed the file: \"$path\" with version " . $encryptedVersion . "</info>"); |
|
278 | + return true; |
|
279 | + } |
|
280 | + $encryptedVersion--; |
|
281 | + } |
|
282 | + |
|
283 | + // So decrementing did not work. Now lets increment. Max increment is till 5 |
|
284 | + $increment = 1; |
|
285 | + while ($increment <= 5) { |
|
286 | + /** |
|
287 | + * The wrongEncryptedVersion would not be incremented so nothing to worry about here. |
|
288 | + * Only the newEncryptedVersion is incremented. |
|
289 | + * For example if the wrong encrypted version is 4 then |
|
290 | + * cycle1 -> newEncryptedVersion = 5 ( 4 + 1) |
|
291 | + * cycle2 -> newEncryptedVersion = 6 ( 4 + 2) |
|
292 | + * cycle3 -> newEncryptedVersion = 7 ( 4 + 3) |
|
293 | + */ |
|
294 | + $newEncryptedVersion = $wrongEncryptedVersion + $increment; |
|
295 | + |
|
296 | + $cacheInfo = ['encryptedVersion' => $newEncryptedVersion, 'encrypted' => $newEncryptedVersion]; |
|
297 | + $cache->put($fileCache->getPath(), $cacheInfo); |
|
298 | + $output->writeln("<info>Increment the encrypted version to $newEncryptedVersion</info>"); |
|
299 | + if ($this->verifyFileContent($path, $output, false) === true) { |
|
300 | + $output->writeln("<info>Fixed the file: \"$path\" with version " . $newEncryptedVersion . "</info>"); |
|
301 | + return true; |
|
302 | + } |
|
303 | + $increment++; |
|
304 | + } |
|
305 | + } |
|
306 | + |
|
307 | + $cacheInfo = ['encryptedVersion' => $originalEncryptedVersion, 'encrypted' => $originalEncryptedVersion]; |
|
308 | + $cache->put($fileCache->getPath(), $cacheInfo); |
|
309 | + $output->writeln("<info>No fix found for \"$path\", restored version to original: $originalEncryptedVersion</info>"); |
|
310 | + |
|
311 | + return false; |
|
312 | + } |
|
313 | + |
|
314 | + /** |
|
315 | + * Setup user file system |
|
316 | + */ |
|
317 | + private function setupUserFs(string $uid): void { |
|
318 | + \OC_Util::tearDownFS(); |
|
319 | + \OC_Util::setupFS($uid); |
|
320 | + } |
|
321 | 321 | } |