CCUtility.m 44 KB

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  1. //
  2. // CCUtility.m
  3. // Nextcloud iOS
  4. //
  5. // Created by Marino Faggiana on 02/02/16.
  6. // Copyright (c) 2017 TWS. All rights reserved.
  7. //
  8. // Author Marino Faggiana <m.faggiana@twsweb.it>
  9. //
  10. // This program is free software: you can redistribute it and/or modify
  11. // it under the terms of the GNU General Public License as published by
  12. // the Free Software Foundation, either version 3 of the License, or
  13. // (at your option) any later version.
  14. //
  15. // This program is distributed in the hope that it will be useful,
  16. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. // GNU General Public License for more details.
  19. //
  20. // You should have received a copy of the GNU General Public License
  21. // along with this program. If not, see <http://www.gnu.org/licenses/>.
  22. //
  23. #import "CCUtility.h"
  24. #import "CCGraphics.h"
  25. #import "NCBridgeSwift.h"
  26. #import <netinet/in.h>
  27. #import <openssl/x509.h>
  28. #import <openssl/bio.h>
  29. #import <openssl/err.h>
  30. #import <openssl/pem.h>
  31. #define INTRO_MessageType @"MessageType_"
  32. #define E2E_PublicKey @"EndToEndPublicKey_"
  33. #define E2E_PrivateKey @"EndToEndPrivateKey_"
  34. #define E2E_Passphrase @"EndToEndPassphrase_"
  35. #define E2E_PublicKeyServer @"EndToEndPublicKeyServer_"
  36. @implementation CCUtility
  37. #pragma --------------------------------------------------------------------------------------------
  38. #pragma mark ======================= KeyChainStore ==================================
  39. #pragma --------------------------------------------------------------------------------------------
  40. + (void)deleteAllChainStore
  41. {
  42. [UICKeyChainStore removeAllItems];
  43. [UICKeyChainStore removeAllItemsForService:k_serviceShareKeyChain];
  44. }
  45. + (void)storeAllChainInService
  46. {
  47. UICKeyChainStore *store = [UICKeyChainStore keyChainStore];
  48. NSArray *items = store.allItems;
  49. for (NSDictionary *item in items) {
  50. [UICKeyChainStore setString:[item objectForKey:@"value"] forKey:[item objectForKey:@"key"] service:k_serviceShareKeyChain];
  51. [UICKeyChainStore removeItemForKey:[item objectForKey:@"key"]];
  52. }
  53. }
  54. #pragma ------------------------------ ADMIN
  55. + (void)adminRemoveIntro
  56. {
  57. NSString *version = [self getVersion];
  58. [UICKeyChainStore setString:nil forKey:version service:k_serviceShareKeyChain];
  59. }
  60. + (void)adminRemovePasscode
  61. {
  62. NSString *uuid = [self getUUID];
  63. [UICKeyChainStore setString:nil forKey:uuid service:k_serviceShareKeyChain];
  64. }
  65. + (void)adminRemoveVersion
  66. {
  67. [UICKeyChainStore setString:@"0.0" forKey:@"version" service:k_serviceShareKeyChain];
  68. }
  69. #pragma ------------------------------ GET/SET
  70. + (NSString *)getUUID
  71. {
  72. #if TARGET_IPHONE_SIMULATOR
  73. NSUUID *deviceId = [[NSUUID alloc]initWithUUIDString:k_UUID_SIM];
  74. return [deviceId UUIDString];
  75. #else
  76. NSString *uuid = [[UIDevice currentDevice] identifierForVendor].UUIDString;
  77. return uuid;
  78. #endif
  79. }
  80. + (NSString *)getKeyChainPasscodeForUUID:(NSString *)uuid
  81. {
  82. if (!uuid) return @"";
  83. NSString *passcode = [UICKeyChainStore stringForKey:uuid service:k_serviceShareKeyChain];
  84. if (!passcode)
  85. passcode = @"";
  86. return passcode;
  87. }
  88. + (void)setKeyChainPasscodeForUUID:(NSString *)uuid conPasscode:(NSString *)passcode
  89. {
  90. [UICKeyChainStore setString:passcode forKey:uuid service:k_serviceShareKeyChain];
  91. }
  92. + (NSString *)getVersion
  93. {
  94. return [UICKeyChainStore stringForKey:@"version" service:k_serviceShareKeyChain];
  95. }
  96. + (NSString *)setVersion
  97. {
  98. NSString *version = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"];
  99. [UICKeyChainStore setString:version forKey:@"version" service:k_serviceShareKeyChain];
  100. return version;
  101. }
  102. + (NSString *)getBuild
  103. {
  104. return [UICKeyChainStore stringForKey:@"build" service:k_serviceShareKeyChain];
  105. }
  106. + (NSString *)setBuild
  107. {
  108. NSString *build = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleVersion"];
  109. [UICKeyChainStore setString:build forKey:@"build" service:k_serviceShareKeyChain];
  110. return build;
  111. }
  112. + (NSString *)getBlockCode
  113. {
  114. return [UICKeyChainStore stringForKey:@"blockcode" service:k_serviceShareKeyChain];
  115. }
  116. + (void)setBlockCode:(NSString *)blockcode
  117. {
  118. [UICKeyChainStore setString:blockcode forKey:@"blockcode" service:k_serviceShareKeyChain];
  119. }
  120. + (BOOL)getSimplyBlockCode
  121. {
  122. NSString *simplyBlockCode = [UICKeyChainStore stringForKey:@"simplyblockcode" service:k_serviceShareKeyChain];
  123. if (simplyBlockCode == nil) {
  124. [self setSimplyBlockCode:YES];
  125. return YES;
  126. }
  127. return [simplyBlockCode boolValue];
  128. }
  129. + (void)setSimplyBlockCode:(BOOL)simply
  130. {
  131. NSString *sSimply = (simply) ? @"true" : @"false";
  132. [UICKeyChainStore setString:sSimply forKey:@"simplyblockcode" service:k_serviceShareKeyChain];
  133. }
  134. + (BOOL)getOnlyLockDir
  135. {
  136. return [[UICKeyChainStore stringForKey:@"onlylockdir" service:k_serviceShareKeyChain] boolValue];
  137. }
  138. + (void)setOnlyLockDir:(BOOL)lockDir
  139. {
  140. NSString *sLockDir = (lockDir) ? @"true" : @"false";
  141. [UICKeyChainStore setString:sLockDir forKey:@"onlylockdir" service:k_serviceShareKeyChain];
  142. }
  143. + (BOOL)getOptimizedPhoto
  144. {
  145. return [[UICKeyChainStore stringForKey:@"optimizedphoto" service:k_serviceShareKeyChain] boolValue];
  146. }
  147. + (void)setOptimizedPhoto:(BOOL)resize
  148. {
  149. NSString *sOptimizedPhoto = (resize) ? @"true" : @"false";
  150. [UICKeyChainStore setString:sOptimizedPhoto forKey:@"optimizedphoto" service:k_serviceShareKeyChain];
  151. }
  152. + (BOOL)getUploadAndRemovePhoto
  153. {
  154. return [[UICKeyChainStore stringForKey:@"uploadremovephoto" service:k_serviceShareKeyChain] boolValue];
  155. }
  156. + (void)setUploadAndRemovePhoto:(BOOL)remove
  157. {
  158. NSString *sRemovePhoto = (remove) ? @"true" : @"false";
  159. [UICKeyChainStore setString:sRemovePhoto forKey:@"uploadremovephoto" service:k_serviceShareKeyChain];
  160. }
  161. + (NSString *)getOrderSettings
  162. {
  163. NSString *order = [UICKeyChainStore stringForKey:@"order" service:k_serviceShareKeyChain];
  164. if (order == nil) {
  165. [self setOrderSettings:@"fileName"];
  166. return @"fileName";
  167. }
  168. return order;
  169. }
  170. + (void)setOrderSettings:(NSString *)order
  171. {
  172. [UICKeyChainStore setString:order forKey:@"order" service:k_serviceShareKeyChain];
  173. }
  174. + (BOOL)getAscendingSettings
  175. {
  176. NSString *ascending = [UICKeyChainStore stringForKey:@"ascending" service:k_serviceShareKeyChain];
  177. if (ascending == nil) {
  178. [self setAscendingSettings:YES];
  179. return YES;
  180. }
  181. return [ascending boolValue];
  182. }
  183. + (void)setAscendingSettings:(BOOL)ascendente
  184. {
  185. NSString *sAscendente = (ascendente) ? @"true" : @"false";
  186. [UICKeyChainStore setString:sAscendente forKey:@"ascending" service:k_serviceShareKeyChain];
  187. }
  188. + (NSString *)getGroupBySettings
  189. {
  190. NSString *groupby = [UICKeyChainStore stringForKey:@"groupby" service:k_serviceShareKeyChain];
  191. if (groupby == nil) {
  192. [self setGroupBySettings:@"none"];
  193. return @"none";
  194. }
  195. return groupby;
  196. }
  197. + (void)setGroupBySettings:(NSString *)groupby
  198. {
  199. [UICKeyChainStore setString:groupby forKey:@"groupby" service:k_serviceShareKeyChain];
  200. }
  201. + (BOOL)getIntroMessage:(NSString *)type
  202. {
  203. NSString *key = [INTRO_MessageType stringByAppendingString:type];
  204. return [[UICKeyChainStore stringForKey:key service:k_serviceShareKeyChain] boolValue];
  205. }
  206. + (void)setIntroMessage:(NSString *)type set:(BOOL)set
  207. {
  208. NSString *key = [INTRO_MessageType stringByAppendingString:type];
  209. NSString *sSet = (set) ? @"true" : @"false";
  210. [UICKeyChainStore setString:sSet forKey:key service:k_serviceShareKeyChain];
  211. }
  212. + (NSString *)getIncrementalNumber
  213. {
  214. long number = [[UICKeyChainStore stringForKey:@"incrementalnumber" service:k_serviceShareKeyChain] intValue];
  215. number++;
  216. if (number >= 9999) number = 1;
  217. [UICKeyChainStore setString:[NSString stringWithFormat:@"%ld", number] forKey:@"incrementalnumber"];
  218. return [NSString stringWithFormat:@"%04ld", number];
  219. }
  220. + (NSString *)getActiveAccountExt
  221. {
  222. return [UICKeyChainStore stringForKey:@"activeAccountExt" service:k_serviceShareKeyChain];
  223. }
  224. + (void)setActiveAccountExt:(NSString *)activeAccount
  225. {
  226. [UICKeyChainStore setString:activeAccount forKey:@"activeAccountExt" service:k_serviceShareKeyChain];
  227. }
  228. + (NSString *)getServerUrlExt
  229. {
  230. return [UICKeyChainStore stringForKey:@"serverUrlExt" service:k_serviceShareKeyChain];
  231. }
  232. + (void)setServerUrlExt:(NSString *)serverUrl
  233. {
  234. [UICKeyChainStore setString:serverUrl forKey:@"serverUrlExt" service:k_serviceShareKeyChain];
  235. }
  236. + (NSString *)getTitleServerUrlExt
  237. {
  238. return [UICKeyChainStore stringForKey:@"titleServerUrlExt" service:k_serviceShareKeyChain];
  239. }
  240. + (void)setTitleServerUrlExt:(NSString *)titleServerUrl
  241. {
  242. [UICKeyChainStore setString:titleServerUrl forKey:@"titleServerUrlExt" service:k_serviceShareKeyChain];
  243. }
  244. + (NSString *)getFileNameExt
  245. {
  246. return [UICKeyChainStore stringForKey:@"fileNameExt" service:k_serviceShareKeyChain];
  247. }
  248. + (void)setFileNameExt:(NSString *)fileName
  249. {
  250. [UICKeyChainStore setString:fileName forKey:@"fileNameExt" service:k_serviceShareKeyChain];
  251. }
  252. + (NSString *)getEmail
  253. {
  254. return [UICKeyChainStore stringForKey:@"email" service:k_serviceShareKeyChain];
  255. }
  256. + (void)setEmail:(NSString *)email
  257. {
  258. [UICKeyChainStore setString:email forKey:@"email" service:k_serviceShareKeyChain];
  259. }
  260. + (NSString *)getHint
  261. {
  262. return [UICKeyChainStore stringForKey:@"hint" service:k_serviceShareKeyChain];
  263. }
  264. + (void)setHint:(NSString *)hint
  265. {
  266. [UICKeyChainStore setString:hint forKey:@"hint" service:k_serviceShareKeyChain];
  267. }
  268. + (BOOL)getDirectoryOnTop
  269. {
  270. NSString *valueString = [UICKeyChainStore stringForKey:@"directoryOnTop" service:k_serviceShareKeyChain];
  271. // Default TRUE
  272. if (valueString == nil) {
  273. [self setDirectoryOnTop:YES];
  274. return true;
  275. }
  276. return [valueString boolValue];
  277. }
  278. + (void)setDirectoryOnTop:(BOOL)directoryOnTop
  279. {
  280. NSString *sDirectoryOnTop = (directoryOnTop) ? @"true" : @"false";
  281. [UICKeyChainStore setString:sDirectoryOnTop forKey:@"directoryOnTop" service:k_serviceShareKeyChain];
  282. }
  283. + (NSString *)getFileNameMask:(NSString *)key
  284. {
  285. NSString *mask = [UICKeyChainStore stringForKey:key service:k_serviceShareKeyChain];
  286. if (mask == nil)
  287. mask = @"";
  288. return mask;
  289. }
  290. + (void)setFileNameMask:(NSString *)mask key:(NSString *)key
  291. {
  292. [UICKeyChainStore setString:mask forKey:key service:k_serviceShareKeyChain];
  293. }
  294. + (BOOL)getFileNameType:(NSString *)key
  295. {
  296. return [[UICKeyChainStore stringForKey:key service:k_serviceShareKeyChain] boolValue];
  297. }
  298. + (void)setFileNameType:(BOOL)prefix key:(NSString *)key
  299. {
  300. NSString *sPrefix = (prefix) ? @"true" : @"false";
  301. [UICKeyChainStore setString:sPrefix forKey:key service:k_serviceShareKeyChain];
  302. }
  303. + (BOOL)getFavoriteOffline
  304. {
  305. return [[UICKeyChainStore stringForKey:@"favoriteOffline" service:k_serviceShareKeyChain] boolValue];
  306. }
  307. + (void)setFavoriteOffline:(BOOL)offline
  308. {
  309. NSString *sFavoriteOffline = (offline) ? @"true" : @"false";
  310. [UICKeyChainStore setString:sFavoriteOffline forKey:@"favoriteOffline" service:k_serviceShareKeyChain];
  311. }
  312. + (BOOL)getActivityVerboseHigh
  313. {
  314. return [[UICKeyChainStore stringForKey:@"activityVerboseHigh" service:k_serviceShareKeyChain] boolValue];
  315. }
  316. + (void)setActivityVerboseHigh:(BOOL)high
  317. {
  318. NSString *sHigh = (high) ? @"true" : @"false";
  319. [UICKeyChainStore setString:sHigh forKey:@"activityVerboseHigh" service:k_serviceShareKeyChain];
  320. }
  321. + (BOOL)getShowHiddenFiles
  322. {
  323. return [[UICKeyChainStore stringForKey:@"showHiddenFiles" service:k_serviceShareKeyChain] boolValue];
  324. }
  325. + (void)setShowHiddenFiles:(BOOL)show
  326. {
  327. NSString *sShow = (show) ? @"true" : @"false";
  328. [UICKeyChainStore setString:sShow forKey:@"showHiddenFiles" service:k_serviceShareKeyChain];
  329. }
  330. + (BOOL)getFormatCompatibility
  331. {
  332. NSString *valueString = [UICKeyChainStore stringForKey:@"formatCompatibility" service:k_serviceShareKeyChain];
  333. // Default TRUE
  334. if (valueString == nil) {
  335. [self setFormatCompatibility:YES];
  336. return true;
  337. }
  338. return [valueString boolValue];
  339. }
  340. + (void)setFormatCompatibility:(BOOL)set
  341. {
  342. NSString *sSet = (set) ? @"true" : @"false";
  343. [UICKeyChainStore setString:sSet forKey:@"formatCompatibility" service:k_serviceShareKeyChain];
  344. }
  345. + (NSString *)getEndToEndPublicKey:(NSString *)account
  346. {
  347. NSString *key = [E2E_PublicKey stringByAppendingString:account];
  348. return [UICKeyChainStore stringForKey:key service:k_serviceShareKeyChain];
  349. }
  350. + (void)setEndToEndPublicKey:(NSString *)account publicKey:(NSString *)publicKey
  351. {
  352. NSString *key = [E2E_PublicKey stringByAppendingString:account];
  353. [UICKeyChainStore setString:publicKey forKey:key service:k_serviceShareKeyChain];
  354. }
  355. + (NSString *)getEndToEndPrivateKey:(NSString *)account
  356. {
  357. NSString *key = [E2E_PrivateKey stringByAppendingString:account];
  358. return [UICKeyChainStore stringForKey:key service:k_serviceShareKeyChain];
  359. }
  360. + (void)setEndToEndPrivateKey:(NSString *)account privateKey:(NSString *)privateKey
  361. {
  362. NSString *key = [E2E_PrivateKey stringByAppendingString:account];
  363. [UICKeyChainStore setString:privateKey forKey:key service:k_serviceShareKeyChain];
  364. }
  365. + (NSString *)getEndToEndPassphrase:(NSString *)account
  366. {
  367. NSString *key = [E2E_Passphrase stringByAppendingString:account];
  368. return [UICKeyChainStore stringForKey:key service:k_serviceShareKeyChain];
  369. }
  370. + (void)setEndToEndPassphrase:(NSString *)account passphrase:(NSString *)passphrase
  371. {
  372. NSString *key = [E2E_Passphrase stringByAppendingString:account];
  373. [UICKeyChainStore setString:passphrase forKey:key service:k_serviceShareKeyChain];
  374. }
  375. + (NSString *)getEndToEndPublicKeyServer:(NSString *)account
  376. {
  377. NSString *key = [E2E_PublicKeyServer stringByAppendingString:account];
  378. return [UICKeyChainStore stringForKey:key service:k_serviceShareKeyChain];
  379. }
  380. + (void)setEndToEndPublicKeyServer:(NSString *)account publicKey:(NSString *)publicKey
  381. {
  382. NSString *key = [E2E_PublicKeyServer stringByAppendingString:account];
  383. [UICKeyChainStore setString:publicKey forKey:key service:k_serviceShareKeyChain];
  384. }
  385. + (BOOL)isEndToEndEnabled:(NSString *)account
  386. {
  387. tableCapabilities *capabilities = [[NCManageDatabase sharedInstance] getCapabilites];
  388. NSString *publicKey = [self getEndToEndPublicKey:account];
  389. NSString *privateKey = [self getEndToEndPrivateKey:account];
  390. NSString *passphrase = [self getEndToEndPassphrase:account];
  391. NSString *publicKeyServer = [self getEndToEndPublicKeyServer:account];
  392. if (passphrase.length > 0 && privateKey.length > 0 && publicKey.length > 0 && publicKeyServer.length > 0 && capabilities.endToEndEncryption) {
  393. return YES;
  394. } else {
  395. return NO;
  396. }
  397. }
  398. + (void)clearAllKeysEndToEnd:(NSString *)account
  399. {
  400. [self setEndToEndPublicKey:account publicKey:nil];
  401. [self setEndToEndPrivateKey:account privateKey:nil];
  402. [self setEndToEndPassphrase:account passphrase:nil];
  403. [self setEndToEndPublicKeyServer:account publicKey:nil];
  404. }
  405. + (BOOL)getDisableFilesApp
  406. {
  407. return [[UICKeyChainStore stringForKey:@"disablefilesapp" service:k_serviceShareKeyChain] boolValue];
  408. }
  409. + (void)setDisableFilesApp:(BOOL)disable
  410. {
  411. NSString *sDisable = (disable) ? @"true" : @"false";
  412. [UICKeyChainStore setString:sDisable forKey:@"disablefilesapp" service:k_serviceShareKeyChain];
  413. }
  414. #pragma --------------------------------------------------------------------------------------------
  415. #pragma mark ===== Varius =====
  416. #pragma --------------------------------------------------------------------------------------------
  417. + (NSString *)getUserAgent
  418. {
  419. NSString *appVersion = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"];
  420. return [NSString stringWithFormat:@"%@%@",@"Mozilla/5.0 (iOS) Nextcloud-iOS/",appVersion];
  421. }
  422. + (NSString *)dateDiff:(NSDate *) convertedDate
  423. {
  424. NSDateFormatter *df = [[NSDateFormatter alloc] init];
  425. [df setFormatterBehavior:NSDateFormatterBehavior10_4];
  426. [df setDateFormat:@"EEE, dd MMM yy HH:mm:ss VVVV"];
  427. //NSDate *convertedDate = [df dateFromString:origDate];
  428. //NSDate *convertedDate = [NSDate dateWithTimeIntervalSince1970:origDate];
  429. NSDate *todayDate = [NSDate date];
  430. double ti = [convertedDate timeIntervalSinceDate:todayDate];
  431. ti = ti * -1;
  432. if (ti < 60) {
  433. return NSLocalizedString(@"_less_a_minute_", nil);
  434. } else if (ti < 3600) {
  435. int diff = round(ti / 60);
  436. return [NSString stringWithFormat:NSLocalizedString(@"_minutes_ago_", nil), diff];
  437. } else if (ti < 86400) {
  438. int diff = round(ti / 60 / 60);
  439. return[NSString stringWithFormat:NSLocalizedString(@"_hours_ago_", nil), diff];
  440. } else if (ti < 2629743) {
  441. int diff = round(ti / 60 / 60 / 24);
  442. return[NSString stringWithFormat:NSLocalizedString(@"_days_ago_", nil), diff];
  443. } else {
  444. return NSLocalizedString(@"_over_30_days_", nil);
  445. }
  446. }
  447. + (NSDate *)dateEnUsPosixFromCloud:(NSString *)dateString
  448. {
  449. NSDate *date = [NSDate date];
  450. NSError *error;
  451. NSDateFormatter *dateFormatter = [NSDateFormatter new];
  452. NSLocale *enUSPOSIXLocale = [NSLocale localeWithLocaleIdentifier:@"en_US_POSIX"];
  453. [dateFormatter setLocale:enUSPOSIXLocale];
  454. [dateFormatter setDateFormat:@"EEE, dd MMM y HH:mm:ss zzz"];
  455. if (![dateFormatter getObjectValue:&date forString:dateString range:nil error:&error]) {
  456. NSLog(@"[LOG] Date '%@' could not be parsed: %@", dateString, error);
  457. date = [NSDate date];
  458. }
  459. return date;
  460. }
  461. + (NSString *)transformedSize:(double)value
  462. {
  463. NSString *string = [NSByteCountFormatter stringFromByteCount:value countStyle:NSByteCountFormatterCountStyleBinary];
  464. return string;
  465. }
  466. // Remove do not forbidden characters for Nextcloud Server
  467. + (NSString *)removeForbiddenCharactersServer:(NSString *)fileName
  468. {
  469. NSArray *arrayForbiddenCharacters = [NSArray arrayWithObjects:@"/", nil];
  470. for (NSString *currentCharacter in arrayForbiddenCharacters) {
  471. fileName = [fileName stringByReplacingOccurrencesOfString:currentCharacter withString:@""];
  472. }
  473. return fileName;
  474. }
  475. // Remove do not forbidden characters for File System Server
  476. + (NSString *)removeForbiddenCharactersFileSystem:(NSString *)fileName
  477. {
  478. NSArray *arrayForbiddenCharacters = [NSArray arrayWithObjects:@"\\",@"<",@">",@":",@"\"",@"|",@"?",@"*",@"/", nil];
  479. for (NSString *currentCharacter in arrayForbiddenCharacters) {
  480. fileName = [fileName stringByReplacingOccurrencesOfString:currentCharacter withString:@""];
  481. }
  482. return fileName;
  483. }
  484. + (NSString*)stringAppendServerUrl:(NSString *)serverUrl addFileName:(NSString *)addFileName
  485. {
  486. NSString *result;
  487. if (serverUrl == nil || addFileName == nil) return nil;
  488. if ([addFileName isEqualToString:@""]) return serverUrl;
  489. if ([serverUrl isEqualToString:@"/"]) result = [serverUrl stringByAppendingString:addFileName];
  490. else result = [NSString stringWithFormat:@"%@/%@", serverUrl, addFileName];
  491. return result;
  492. }
  493. + (NSString *)createRandomString:(int)numChars
  494. {
  495. NSString *letters = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
  496. NSMutableString *randomString = [NSMutableString stringWithCapacity: numChars];
  497. for (int i=0; i < numChars; i++) {
  498. [randomString appendFormat: @"%C", [letters characterAtIndex: arc4random_uniform((unsigned int)[letters length]) % [letters length]]];
  499. }
  500. return [NSString stringWithFormat:@"%@", randomString];
  501. }
  502. + (NSString *)createFileName:fileName fileDate:(NSDate *)fileDate fileType:(PHAssetMediaType)fileType keyFileName:(NSString *)keyFileName keyFileNameType:(NSString *)keyFileNameType
  503. {
  504. BOOL addFileNameType = NO;
  505. NSString *numberFileName;
  506. if ([fileName length] > 8) numberFileName = [fileName substringWithRange:NSMakeRange(04, 04)];
  507. else numberFileName = [CCUtility getIncrementalNumber];
  508. NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
  509. [formatter setDateFormat:@"yy-MM-dd HH-mm-ss"];
  510. NSString *fileNameDate = [formatter stringFromDate:fileDate];
  511. NSString *fileNameType = @"";
  512. if (fileType == PHAssetMediaTypeImage)
  513. fileNameType = NSLocalizedString(@"_photo_", nil);
  514. if (fileType == PHAssetMediaTypeVideo)
  515. fileNameType = NSLocalizedString(@"_video_", nil);
  516. if (fileType == PHAssetMediaTypeAudio)
  517. fileNameType = NSLocalizedString(@"_audio_", nil);
  518. if (fileType == PHAssetMediaTypeUnknown)
  519. fileNameType = NSLocalizedString(@"_unknown_", nil);
  520. // Use File Name Type
  521. if (keyFileNameType)
  522. addFileNameType = [CCUtility getFileNameType:keyFileNameType];
  523. NSString *fileNameExt = [[fileName pathExtension] lowercaseString];
  524. if (keyFileName) {
  525. fileName = [CCUtility getFileNameMask:keyFileName];
  526. if ([fileName length] > 0) {
  527. [formatter setDateFormat:@"dd"];
  528. NSString *dayNumber = [formatter stringFromDate:fileDate];
  529. [formatter setDateFormat:@"MMM"];
  530. NSString *month = [formatter stringFromDate:fileDate];
  531. [formatter setDateFormat:@"MM"];
  532. NSString *monthNumber = [formatter stringFromDate:fileDate];
  533. [formatter setDateFormat:@"yyyy"];
  534. NSString *year = [formatter stringFromDate:fileDate];
  535. [formatter setDateFormat:@"yy"];
  536. NSString *yearNumber = [formatter stringFromDate:fileDate];
  537. [formatter setDateFormat:@"HH"];
  538. NSString *hour24 = [formatter stringFromDate:fileDate];
  539. [formatter setDateFormat:@"hh"];
  540. NSString *hour12 = [formatter stringFromDate:fileDate];
  541. [formatter setDateFormat:@"mm"];
  542. NSString *minute = [formatter stringFromDate:fileDate];
  543. [formatter setDateFormat:@"ss"];
  544. NSString *second = [formatter stringFromDate:fileDate];
  545. [formatter setDateFormat:@"a"];
  546. NSString *ampm = [formatter stringFromDate:fileDate];
  547. // Replace string with date
  548. fileName = [fileName stringByReplacingOccurrencesOfString:@"DD" withString:dayNumber];
  549. fileName = [fileName stringByReplacingOccurrencesOfString:@"MMM" withString:month];
  550. fileName = [fileName stringByReplacingOccurrencesOfString:@"MM" withString:monthNumber];
  551. fileName = [fileName stringByReplacingOccurrencesOfString:@"YYYY" withString:year];
  552. fileName = [fileName stringByReplacingOccurrencesOfString:@"YY" withString:yearNumber];
  553. fileName = [fileName stringByReplacingOccurrencesOfString:@"HH" withString:hour24];
  554. fileName = [fileName stringByReplacingOccurrencesOfString:@"hh" withString:hour12];
  555. fileName = [fileName stringByReplacingOccurrencesOfString:@"mm" withString:minute];
  556. fileName = [fileName stringByReplacingOccurrencesOfString:@"ss" withString:second];
  557. fileName = [fileName stringByReplacingOccurrencesOfString:@"ampm" withString:ampm];
  558. if (addFileNameType)
  559. fileName = [NSString stringWithFormat:@"%@%@%@.%@", fileNameType, fileName, numberFileName, fileNameExt];
  560. else
  561. fileName = [NSString stringWithFormat:@"%@%@.%@", fileName, numberFileName, fileNameExt];
  562. fileName = [fileName stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
  563. } else {
  564. if (addFileNameType)
  565. fileName = [NSString stringWithFormat:@"%@ %@ %@.%@", fileNameType, fileNameDate, numberFileName, fileNameExt];
  566. else
  567. fileName = [NSString stringWithFormat:@"%@ %@.%@", fileNameDate, numberFileName, fileNameExt];
  568. }
  569. } else {
  570. if (addFileNameType)
  571. fileName = [NSString stringWithFormat:@"%@ %@ %@.%@", fileNameType, fileNameDate, numberFileName, fileNameExt];
  572. else
  573. fileName = [NSString stringWithFormat:@"%@ %@.%@", fileNameDate, numberFileName, fileNameExt];
  574. }
  575. return fileName;
  576. }
  577. + (NSString *)getHomeServerUrlActiveUrl:(NSString *)activeUrl
  578. {
  579. if (activeUrl == nil) return nil;
  580. return [activeUrl stringByAppendingString:webDAV];
  581. }
  582. // Return path of User
  583. + (NSString *)getDirectoryActiveUser:(NSString *)activeUser activeUrl:(NSString *)activeUrl
  584. {
  585. NSURL *dirGroup = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:[NCBrandOptions sharedInstance].capabilitiesGroups];
  586. NSString *user = activeUser;
  587. NSString *baseUrl = [activeUrl lowercaseString];
  588. NSString *dirUserBaseUrl = nil;
  589. NSString *dirApplicationUserGroup = nil;
  590. if ([user length] && [baseUrl length]) {
  591. if ([baseUrl hasPrefix:@"https://"]) baseUrl = [baseUrl substringFromIndex:8];
  592. if ([baseUrl hasPrefix:@"http://"]) baseUrl = [baseUrl substringFromIndex:7];
  593. dirUserBaseUrl = [NSString stringWithFormat:@"%@-%@", user, baseUrl];
  594. dirUserBaseUrl = [[self removeForbiddenCharactersFileSystem:dirUserBaseUrl] lowercaseString];
  595. } else return @"";
  596. dirApplicationUserGroup = [[dirGroup URLByAppendingPathComponent:appApplicationSupport] path];
  597. dirUserBaseUrl = [NSString stringWithFormat:@"%@/%@", dirApplicationUserGroup, dirUserBaseUrl];
  598. if (![[NSFileManager defaultManager] fileExistsAtPath: dirUserBaseUrl]) {
  599. [[NSFileManager defaultManager] createDirectoryAtPath:dirUserBaseUrl withIntermediateDirectories:YES attributes:nil error:nil];
  600. }
  601. return dirUserBaseUrl;
  602. }
  603. + (NSString *)getOLDDirectoryActiveUser:(NSString *)activeUser activeUrl:(NSString *)activeUrl
  604. {
  605. NSString *user = activeUser;
  606. NSString *baseUrl = [activeUrl lowercaseString];
  607. NSString *dirUserBaseUrl = nil;
  608. if ([user length] && [baseUrl length]) {
  609. if ([baseUrl hasPrefix:@"https://"]) baseUrl = [baseUrl substringFromIndex:8];
  610. if ([baseUrl hasPrefix:@"http://"]) baseUrl = [baseUrl substringFromIndex:7];
  611. dirUserBaseUrl = [NSString stringWithFormat:@"%@-%@", user, baseUrl];
  612. dirUserBaseUrl = [[self removeForbiddenCharactersFileSystem:dirUserBaseUrl] lowercaseString];
  613. } else return @"";
  614. NSArray *paths = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES);
  615. dirUserBaseUrl = [NSString stringWithFormat:@"%@/%@", [paths objectAtIndex:0], dirUserBaseUrl];
  616. return dirUserBaseUrl;
  617. }
  618. // Return the path of directory Documents -> NSDocumentDirectory
  619. + (NSString *)getDirectoryDocuments
  620. {
  621. NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
  622. return [paths objectAtIndex:0];
  623. }
  624. // Return the path of directory Audio
  625. + (NSString *)getDirectoryAudio
  626. {
  627. NSArray *paths = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES);
  628. return [NSString stringWithFormat:@"%@/%@", [paths objectAtIndex:0], @"audio"];
  629. }
  630. // Return the path of directory Cetificates
  631. + (NSString *)getDirectoryCerificates
  632. {
  633. NSURL *dirGroup = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:[NCBrandOptions sharedInstance].capabilitiesGroups];
  634. NSString *dir = [[dirGroup URLByAppendingPathComponent:appCertificates] path];
  635. if (![[NSFileManager defaultManager] fileExistsAtPath:dir])
  636. [[NSFileManager defaultManager] createDirectoryAtPath:dir withIntermediateDirectories:YES attributes:nil error:nil];
  637. return dir;
  638. }
  639. + (NSString *)getTitleSectionDate:(NSDate *)date
  640. {
  641. NSString * title;
  642. if ([date isEqualToDate:[CCUtility datetimeWithOutTime:[NSDate distantPast]]]) {
  643. title = NSLocalizedString(@"_no_date_", nil);
  644. } else {
  645. title = [NSDateFormatter localizedStringFromDate:date dateStyle:NSDateFormatterFullStyle timeStyle:0];
  646. if ([date isEqualToDate:[CCUtility datetimeWithOutTime:[NSDate date]]])
  647. title = [NSString stringWithFormat:NSLocalizedString(@"_today_", nil)];
  648. }
  649. return title;
  650. }
  651. + (void)moveFileAtPath:(NSString *)atPath toPath:(NSString *)toPath
  652. {
  653. if ([[NSFileManager defaultManager] fileExistsAtPath:atPath]) {
  654. [[NSFileManager defaultManager] removeItemAtPath:toPath error:nil];
  655. [[NSFileManager defaultManager] copyItemAtPath:atPath toPath:toPath error:nil];
  656. [[NSFileManager defaultManager] removeItemAtPath:atPath error:nil];
  657. }
  658. }
  659. + (void)copyFileAtPath:(NSString *)atPath toPath:(NSString *)toPath
  660. {
  661. if ([[NSFileManager defaultManager] fileExistsAtPath:atPath]) {
  662. [[NSFileManager defaultManager] removeItemAtPath:toPath error:nil];
  663. [[NSFileManager defaultManager] copyItemAtPath:atPath toPath:toPath error:nil];
  664. }
  665. }
  666. + (void)removeAllFileID_UPLOAD_ActiveUser:(NSString *)activeUser activeUrl:(NSString *)activeUrl
  667. {
  668. NSString *file;
  669. NSString *dir;
  670. dir = [self getDirectoryActiveUser:activeUser activeUrl:activeUrl];
  671. NSDirectoryEnumerator *enumerator = [[NSFileManager defaultManager] enumeratorAtPath:dir];
  672. while (file = [enumerator nextObject]) {
  673. if ([file rangeOfString:@"ID_UPLOAD_"].location != NSNotFound)
  674. [[NSFileManager defaultManager] removeItemAtPath:[NSString stringWithFormat:@"%@/%@", dir, file] error:nil];
  675. }
  676. }
  677. + (NSString *)deletingLastPathComponentFromServerUrl:(NSString *)serverUrl
  678. {
  679. //NSURL *url = [[NSURL URLWithString:[serverUrl stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]] URLByDeletingLastPathComponent]; DEPRECATED iOS9
  680. NSURL *url = [[NSURL URLWithString:[serverUrl stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLFragmentAllowedCharacterSet]]] URLByDeletingLastPathComponent];
  681. NSString *pather = [[url absoluteString] stringByRemovingPercentEncoding];
  682. return [pather substringToIndex: [pather length] - 1];
  683. }
  684. + (NSString *)returnFileNamePathFromFileName:(NSString *)metadataFileName serverUrl:(NSString *)serverUrl activeUrl:(NSString *)activeUrl
  685. {
  686. NSString *fileName = [NSString stringWithFormat:@"%@/%@", [serverUrl stringByReplacingOccurrencesOfString:[CCUtility getHomeServerUrlActiveUrl:activeUrl] withString:@""], metadataFileName];
  687. if ([fileName hasPrefix:@"/"]) fileName = [fileName substringFromIndex:1];
  688. return fileName;
  689. }
  690. + (NSArray *)createNameSubFolder:(PHFetchResult *)alassets
  691. {
  692. NSMutableOrderedSet *datesSubFolder = [NSMutableOrderedSet new];
  693. for (PHAsset *asset in alassets) {
  694. NSDate *assetDate = asset.creationDate;
  695. NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
  696. [formatter setDateFormat:@"yyyy"];
  697. NSString *yearString = [formatter stringFromDate:assetDate];
  698. if (yearString)
  699. [datesSubFolder addObject:yearString];
  700. [formatter setDateFormat:@"MM"];
  701. NSString *monthString = [formatter stringFromDate:assetDate];
  702. monthString = [NSString stringWithFormat:@"%@/%@", yearString, monthString];
  703. if (monthString)
  704. [datesSubFolder addObject:monthString];
  705. }
  706. return (NSArray *)datesSubFolder;
  707. }
  708. #pragma --------------------------------------------------------------------------------------------
  709. #pragma mark ===== E2E Encrypted =====
  710. #pragma --------------------------------------------------------------------------------------------
  711. + (NSString *)generateRandomIdentifier
  712. {
  713. NSString *UUID = [[NSUUID UUID] UUIDString];
  714. return [[UUID stringByReplacingOccurrencesOfString:@"-" withString:@""] lowercaseString];
  715. }
  716. + (BOOL)isFolderEncrypted:(NSString *)serverUrl account:(NSString *)account
  717. {
  718. BOOL depth = NO;
  719. if (depth) {
  720. NSArray *directories = [[NCManageDatabase sharedInstance] getTablesDirectoryWithPredicate:[NSPredicate predicateWithFormat:@"account = %@ AND e2eEncrypted = 1 AND serverUrl BEGINSWITH %@", account, serverUrl] sorted:@"serverUrl" ascending:false];
  721. for (tableDirectory *directory in directories) {
  722. if ([serverUrl containsString:directory.serverUrl])
  723. return true;
  724. }
  725. } else {
  726. tableDirectory *directory = [[NCManageDatabase sharedInstance] getTableDirectoryWithPredicate:[NSPredicate predicateWithFormat:@"account = %@ AND e2eEncrypted = 1 AND serverUrl = %@", account, serverUrl]];
  727. if (directory != nil)
  728. return true;
  729. }
  730. return false;
  731. }
  732. #pragma --------------------------------------------------------------------------------------------
  733. #pragma mark ===== CCMetadata =====
  734. #pragma --------------------------------------------------------------------------------------------
  735. + (tableMetadata *)createMetadataWithAccount:(NSString *)account date:(NSDate *)date directory:(BOOL)directory fileID:(NSString *)fileID directoryID:(NSString *)directoryID fileName:(NSString *)fileName etag:(NSString *)etag size:(double)size status:(double)status
  736. {
  737. tableMetadata *metadata = [tableMetadata new];
  738. metadata.account = account;
  739. metadata.date = date;
  740. metadata.directory = directory;
  741. metadata.directoryID = directoryID;
  742. metadata.etag = etag;
  743. metadata.fileID = fileID;
  744. metadata.fileName = fileName;
  745. metadata.fileNameView = fileName;
  746. metadata.size = size;
  747. metadata.status = status;
  748. [self insertTypeFileIconName:fileName metadata:metadata];
  749. return metadata;
  750. }
  751. + (tableMetadata *)trasformedOCFileToCCMetadata:(OCFileDto *)itemDto fileName:(NSString *)fileName serverUrl:(NSString *)serverUrl directoryID:(NSString *)directoryID autoUploadFileName:(NSString *)autoUploadFileName autoUploadDirectory:(NSString *)autoUploadDirectory activeAccount:(NSString *)activeAccount directoryUser:(NSString *)directoryUser isFolderEncrypted:(BOOL)isFolderEncrypted
  752. {
  753. tableMetadata *metadata = [tableMetadata new];
  754. NSString *fileNameView;
  755. fileName = [CCUtility removeForbiddenCharactersServer:fileName];
  756. fileNameView = fileName;
  757. // E2EE find the fileName for fileNameView
  758. if (isFolderEncrypted) {
  759. tableE2eEncryption *tableE2eEncryption = [[NCManageDatabase sharedInstance] getE2eEncryptionWithPredicate:[NSPredicate predicateWithFormat:@"account = %@ AND serverUrl = %@ AND fileNameIdentifier = %@", activeAccount, serverUrl, fileName]];
  760. if (tableE2eEncryption)
  761. fileNameView = tableE2eEncryption.fileName;
  762. }
  763. metadata.account = activeAccount;
  764. metadata.date = [NSDate dateWithTimeIntervalSince1970:itemDto.date];
  765. metadata.e2eEncrypted = itemDto.isEncrypted;
  766. metadata.directory = itemDto.isDirectory;
  767. metadata.favorite = itemDto.isFavorite;
  768. metadata.fileID = itemDto.ocId;
  769. metadata.directoryID = directoryID;
  770. metadata.fileName = fileName;
  771. metadata.fileNameView = fileNameView;
  772. metadata.iconName = @"";
  773. metadata.permissions = itemDto.permissions;
  774. metadata.etag = itemDto.etag;
  775. metadata.size = itemDto.size;
  776. metadata.sessionTaskIdentifier = k_taskIdentifierDone;
  777. metadata.typeFile = @"";
  778. [self insertTypeFileIconName:fileNameView metadata:metadata];
  779. return metadata;
  780. }
  781. + (NSString *)insertTypeFileIconName:(NSString *)fileNameView metadata:(tableMetadata *)metadata
  782. {
  783. CFStringRef fileUTI = nil;
  784. NSString *returnFileUTI = nil;
  785. if ([fileNameView isEqualToString:@"."]) {
  786. metadata.typeFile = k_metadataTypeFile_unknown;
  787. metadata.iconName = @"file";
  788. } else if (metadata.directory) {
  789. metadata.typeFile = k_metadataTypeFile_directory;
  790. fileUTI = kUTTypeFolder;
  791. } else {
  792. CFStringRef fileExtension = (__bridge CFStringRef)[fileNameView pathExtension];
  793. NSString *ext = (__bridge NSString *)fileExtension;
  794. ext = ext.uppercaseString;
  795. fileUTI = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, fileExtension, NULL);
  796. // thumbnailExists
  797. if ([ext isEqualToString:@"JPG"] || [ext isEqualToString:@"PNG"] || [ext isEqualToString:@"JPEG"] || [ext isEqualToString:@"GIF"] || [ext isEqualToString:@"BMP"] || [ext isEqualToString:@"MP3"] || [ext isEqualToString:@"MOV"] || [ext isEqualToString:@"MP4"] || [ext isEqualToString:@"M4V"] || [ext isEqualToString:@"3GP"])
  798. metadata.thumbnailExists = YES;
  799. else
  800. metadata.thumbnailExists = NO;
  801. // Type image
  802. if (UTTypeConformsTo(fileUTI, kUTTypeImage)) {
  803. metadata.typeFile = k_metadataTypeFile_image;
  804. metadata.iconName = @"file_photo";
  805. }
  806. // Type Video
  807. else if (UTTypeConformsTo(fileUTI, kUTTypeMovie)) {
  808. metadata.typeFile = k_metadataTypeFile_video;
  809. metadata.iconName = @"file_movie";
  810. }
  811. // Type Audio
  812. else if (UTTypeConformsTo(fileUTI, kUTTypeAudio)) {
  813. metadata.typeFile = k_metadataTypeFile_audio;
  814. metadata.iconName = @"file_audio";
  815. }
  816. // Type Document [DOC] [PDF] [XLS] [TXT] (RTF = "public.rtf" - ODT = "org.oasis-open.opendocument.text") [MD]
  817. else if (UTTypeConformsTo(fileUTI, kUTTypeContent) || [ext isEqualToString:@"MD"]) {
  818. metadata.typeFile = k_metadataTypeFile_document;
  819. metadata.iconName = @"document";
  820. NSString *typeFile = (__bridge NSString *)fileUTI;
  821. if ([typeFile isEqualToString:@"com.adobe.pdf"]) {
  822. metadata.iconName = @"file_pdf";
  823. }
  824. if ([typeFile isEqualToString:@"org.openxmlformats.spreadsheetml.sheet"]) {
  825. metadata.iconName = @"file_xls";
  826. }
  827. if ([typeFile isEqualToString:@"com.microsoft.excel.xls"]) {
  828. metadata.iconName = @"file_xls";
  829. }
  830. if ([typeFile isEqualToString:@"public.plain-text"] || [ext isEqualToString:@"MD"]) {
  831. metadata.iconName = @"file_txt";
  832. }
  833. if ([typeFile isEqualToString:@"public.html"]) {
  834. metadata.iconName = @"file_code";
  835. }
  836. }
  837. // Type compress
  838. else if (UTTypeConformsTo(fileUTI, kUTTypeZipArchive) && [(__bridge NSString *)fileUTI containsString:@"org.openxmlformats"] == NO && [(__bridge NSString *)fileUTI containsString:@"oasis"] == NO) {
  839. metadata.typeFile = k_metadataTypeFile_compress;
  840. metadata.iconName = @"file_compress";
  841. } else {
  842. // Type unknown
  843. metadata.typeFile = k_metadataTypeFile_unknown;
  844. // icon uTorrent
  845. if ([ext isEqualToString:@"TORRENT"]) {
  846. metadata.iconName = @"utorrent";
  847. } else {
  848. metadata.iconName = @"file";
  849. }
  850. }
  851. }
  852. if (fileUTI != nil) {
  853. returnFileUTI = (__bridge NSString *)fileUTI;
  854. CFRelease(fileUTI);
  855. }
  856. return returnFileUTI;
  857. }
  858. + (tableMetadata *)insertFileSystemInMetadata:(NSString *)fileName fileNameView:(NSString *)fileNameView directory:(NSString *)directory activeAccount:(NSString *)activeAccount
  859. {
  860. tableMetadata *metadata = [[tableMetadata alloc] init];
  861. NSString *fileNamePath = [NSString stringWithFormat:@"%@/%@", directory, fileName];
  862. NSDictionary *attributes = [[NSFileManager defaultManager] attributesOfItemAtPath:fileNamePath error:nil];
  863. metadata.account = activeAccount;
  864. metadata.date = attributes[NSFileModificationDate];
  865. BOOL isDirectory;
  866. [[NSFileManager defaultManager] fileExistsAtPath:fileNamePath isDirectory:&isDirectory];
  867. metadata.directory = isDirectory;
  868. metadata.fileID = fileName;
  869. metadata.directoryID = directory;
  870. metadata.fileName = fileName;
  871. metadata.fileNameView = fileName;
  872. metadata.size = [attributes[NSFileSize] longValue];
  873. metadata.thumbnailExists = false;
  874. [self insertTypeFileIconName:fileNameView metadata:metadata];
  875. return metadata;
  876. }
  877. #pragma --------------------------------------------------------------------------------------------
  878. #pragma mark ===== Third parts =====
  879. #pragma --------------------------------------------------------------------------------------------
  880. + (NSString *)stringValueForKey:(id)key conDictionary:(NSDictionary *)dictionary
  881. {
  882. id obj = [dictionary objectForKey:key];
  883. if ([obj isEqual:[NSNull null]]) return @"";
  884. if ([obj isKindOfClass:[NSString class]]) {
  885. return obj;
  886. }
  887. else if ([obj isKindOfClass:[NSNumber class]]) {
  888. return [obj stringValue];
  889. }
  890. else {
  891. return [obj description];
  892. }
  893. }
  894. + (NSString *)currentDevice
  895. {
  896. struct utsname systemInfo;
  897. uname(&systemInfo);
  898. NSString *deviceName=[NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];
  899. //NSLog(@"[LOG] Device Name :%@",deviceName);
  900. return deviceName;
  901. }
  902. + (NSString *)getExtension:(NSString*)fileName
  903. {
  904. NSMutableArray *fileNameArray =[[NSMutableArray alloc] initWithArray: [fileName componentsSeparatedByCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@"."]]];
  905. NSString *extension = [NSString stringWithFormat:@"%@",[fileNameArray lastObject]];
  906. extension = [extension uppercaseString];
  907. //If the file has a ZIP extension obtain the previous one for check if it is a .pages.zip / .numbers.zip / .key.zip extension
  908. if ([extension isEqualToString:@"ZIP"]) {
  909. [fileNameArray removeLastObject];
  910. NSString *secondExtension = [NSString stringWithFormat:@"%@",[fileNameArray lastObject]];
  911. secondExtension = [secondExtension uppercaseString];
  912. if ([secondExtension isEqualToString:@"PAGES"] || [secondExtension isEqualToString:@"NUMBERS"] || [secondExtension isEqualToString:@"KEY"]) {
  913. extension = [NSString stringWithFormat:@"%@.%@",secondExtension,extension];
  914. return extension;
  915. }
  916. }
  917. return extension;
  918. }
  919. /*
  920. * Util method to make a NSDate object from a string from xml
  921. * @dateString -> Data string from xml
  922. */
  923. + (NSDate*)parseDateString:(NSString*)dateString
  924. {
  925. //Parse the date in all the formats
  926. NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
  927. /*In most cases the best locale to choose is "en_US_POSIX", a locale that's specifically designed to yield US English results regardless of both user and system preferences. "en_US_POSIX" is also invariant in time (if the US, at some point in the future, changes the way it formats dates, "en_US" will change to reflect the new behaviour, but "en_US_POSIX" will not). It will behave consistently for all users.*/
  928. [dateFormatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]];
  929. //This is the format for the concret locale used
  930. [dateFormatter setDateFormat:@"EEE, dd MMM y HH:mm:ss zzz"];
  931. NSDate *theDate = nil;
  932. NSError *error = nil;
  933. if (![dateFormatter getObjectValue:&theDate forString:dateString range:nil error:&error]) {
  934. NSLog(@"[LOG] Date '%@' could not be parsed: %@", dateString, error);
  935. }
  936. return theDate;
  937. }
  938. + (NSDate *)datetimeWithOutTime:(NSDate *)datDate
  939. {
  940. if (datDate == nil) return nil;
  941. NSDateComponents* comps = [[NSCalendar currentCalendar] components:NSCalendarUnitYear|NSCalendarUnitMonth|NSCalendarUnitDay fromDate:datDate];
  942. datDate = [[NSCalendar currentCalendar] dateFromComponents:comps];
  943. return datDate;
  944. }
  945. + (NSDate *)datetimeWithOutDate:(NSDate *)datDate
  946. {
  947. if (datDate == nil) return nil;
  948. NSDateComponents* comps = [[NSCalendar currentCalendar] components:NSCalendarUnitHour|NSCalendarUnitMinute|NSCalendarUnitSecond fromDate:datDate];
  949. return [[NSCalendar currentCalendar] dateFromComponents:comps];
  950. }
  951. + (BOOL)isValidEmail:(NSString *)checkString
  952. {
  953. checkString = [checkString lowercaseString];
  954. BOOL stricterFilter = YES;
  955. NSString *stricterFilterString = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
  956. NSString *laxString = @".+@.+\\.[A-Za-z]{2}[A-Za-z]*";
  957. NSString *emailRegex = stricterFilter ? stricterFilterString : laxString;
  958. NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
  959. return [emailTest evaluateWithObject:checkString];
  960. }
  961. + (NSString *)URLEncodeStringFromString:(NSString *)string
  962. {
  963. static CFStringRef charset = CFSTR("!@#$%&*()+'\";:=,/?[] ");
  964. CFStringRef str = (__bridge CFStringRef)string;
  965. CFStringEncoding encoding = kCFStringEncodingUTF8;
  966. return (NSString *)CFBridgingRelease(CFURLCreateStringByAddingPercentEscapes(NULL, str, NULL, charset, encoding));
  967. }
  968. @end