CCUtility.m 44 KB

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  1. //
  2. // CCUtility.m
  3. // Crypto Cloud Technology Nextcloud
  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. @implementation CCUtility
  32. #pragma --------------------------------------------------------------------------------------------
  33. #pragma mark ======================= KeyChainStore ==================================
  34. #pragma --------------------------------------------------------------------------------------------
  35. + (void)deleteAllChainStore
  36. {
  37. [UICKeyChainStore removeAllItems];
  38. [UICKeyChainStore removeAllItemsForService:k_serviceShareKeyChain];
  39. }
  40. + (void)storeAllChainInService
  41. {
  42. UICKeyChainStore *store = [UICKeyChainStore keyChainStore];
  43. NSArray *items = store.allItems;
  44. for (NSDictionary *item in items) {
  45. [UICKeyChainStore setString:[item objectForKey:@"value"] forKey:[item objectForKey:@"key"] service:k_serviceShareKeyChain];
  46. [UICKeyChainStore removeItemForKey:[item objectForKey:@"key"]];
  47. }
  48. }
  49. #pragma ------------------------------ ADMIN
  50. + (void)adminRemoveIntro
  51. {
  52. NSString *version = [self getVersionCryptoCloud];
  53. [UICKeyChainStore setString:nil forKey:version service:k_serviceShareKeyChain];
  54. }
  55. + (void)adminRemovePasscode
  56. {
  57. NSString *uuid = [self getUUID];
  58. [UICKeyChainStore setString:nil forKey:uuid service:k_serviceShareKeyChain];
  59. }
  60. + (void)adminRemoveVersion
  61. {
  62. [UICKeyChainStore setString:@"0.0" forKey:@"version" service:k_serviceShareKeyChain];
  63. }
  64. #pragma ------------------------------ SET
  65. + (void)setKeyChainPasscodeForUUID:(NSString *)uuid conPasscode:(NSString *)passcode
  66. {
  67. [UICKeyChainStore setString:passcode forKey:uuid service:k_serviceShareKeyChain];
  68. }
  69. + (NSString *)setVersionCryptoCloud
  70. {
  71. NSString *version = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"];
  72. [UICKeyChainStore setString:version forKey:@"version" service:k_serviceShareKeyChain];
  73. return version;
  74. }
  75. + (void)setBlockCode:(NSString *)blockcode
  76. {
  77. [UICKeyChainStore setString:blockcode forKey:@"blockcode" service:k_serviceShareKeyChain];
  78. }
  79. + (void)setSimplyBlockCode:(BOOL)simply
  80. {
  81. NSString *sSimply = (simply) ? @"true" : @"false";
  82. [UICKeyChainStore setString:sSimply forKey:@"simplyblockcode" service:k_serviceShareKeyChain];
  83. }
  84. + (void)setOnlyLockDir:(BOOL)lockDir
  85. {
  86. NSString *sLockDir = (lockDir) ? @"true" : @"false";
  87. [UICKeyChainStore setString:sLockDir forKey:@"onlylockdir" service:k_serviceShareKeyChain];
  88. }
  89. + (void)setOptimizedPhoto:(BOOL)resize
  90. {
  91. NSString *sOptimizedPhoto = (resize) ? @"true" : @"false";
  92. [UICKeyChainStore setString:sOptimizedPhoto forKey:@"optimizedphoto" service:k_serviceShareKeyChain];
  93. }
  94. + (void)setUploadAndRemovePhoto:(BOOL)remove
  95. {
  96. NSString *sRemovePhoto = (remove) ? @"true" : @"false";
  97. [UICKeyChainStore setString:sRemovePhoto forKey:@"uploadremovephoto" service:k_serviceShareKeyChain];
  98. }
  99. + (void)setOrderSettings:(NSString *)order
  100. {
  101. [UICKeyChainStore setString:order forKey:@"order" service:k_serviceShareKeyChain];
  102. }
  103. + (void)setAscendingSettings:(BOOL)ascendente
  104. {
  105. NSString *sAscendente = (ascendente) ? @"true" : @"false";
  106. [UICKeyChainStore setString:sAscendente forKey:@"ascending" service:k_serviceShareKeyChain];
  107. }
  108. + (void)setGroupBySettings:(NSString *)groupby
  109. {
  110. [UICKeyChainStore setString:groupby forKey:@"groupby" service:k_serviceShareKeyChain];
  111. }
  112. + (void)setIntro:(NSString *)version
  113. {
  114. [UICKeyChainStore setString:@"true" forKey:version service:k_serviceShareKeyChain];
  115. }
  116. + (void)setActiveAccountShareExt:(NSString *)activeAccount
  117. {
  118. [UICKeyChainStore setString:activeAccount forKey:@"activeAccountShareExt" service:k_serviceShareKeyChain];
  119. }
  120. + (void)setCryptatedShareExt:(BOOL)cryptated
  121. {
  122. NSString *sCryptated = (cryptated) ? @"true" : @"false";
  123. [UICKeyChainStore setString:sCryptated forKey:@"cryptatedShareExt" service:k_serviceShareKeyChain];
  124. }
  125. + (void)setServerUrlShareExt:(NSString *)serverUrl
  126. {
  127. [UICKeyChainStore setString:serverUrl forKey:@"serverUrlShareExt" service:k_serviceShareKeyChain];
  128. }
  129. + (void)setTitleServerUrlShareExt:(NSString *)titleServerUrl
  130. {
  131. [UICKeyChainStore setString:titleServerUrl forKey:@"titleServerUrlShareExt" service:k_serviceShareKeyChain];
  132. }
  133. + (void)setEmail:(NSString *)email
  134. {
  135. [UICKeyChainStore setString:email forKey:@"email" service:k_serviceShareKeyChain];
  136. }
  137. + (void)setHint:(NSString *)hint
  138. {
  139. [UICKeyChainStore setString:hint forKey:@"hint" service:k_serviceShareKeyChain];
  140. }
  141. + (void)setDirectoryOnTop:(BOOL)directoryOnTop
  142. {
  143. NSString *sDirectoryOnTop = (directoryOnTop) ? @"true" : @"false";
  144. [UICKeyChainStore setString:sDirectoryOnTop forKey:@"directoryOnTop" service:k_serviceShareKeyChain];
  145. }
  146. + (void)setFileNameMask:(NSString *)mask key:(NSString *)key
  147. {
  148. [UICKeyChainStore setString:mask forKey:key service:k_serviceShareKeyChain];
  149. }
  150. + (void)setCreateMenuEncrypted:(BOOL)encrypted
  151. {
  152. NSString *sEncrypted = (encrypted) ? @"true" : @"false";
  153. [UICKeyChainStore setString:sEncrypted forKey:@"createMenuEncrypted" service:k_serviceShareKeyChain];
  154. }
  155. + (void)setFavoriteOffline:(BOOL)offline
  156. {
  157. NSString *sFavoriteOffline = (offline) ? @"true" : @"false";
  158. [UICKeyChainStore setString:sFavoriteOffline forKey:@"favoriteOffline" service:k_serviceShareKeyChain];
  159. }
  160. + (void)setActivityVerboseHigh:(BOOL)high
  161. {
  162. NSString *sHigh = (high) ? @"true" : @"false";
  163. [UICKeyChainStore setString:sHigh forKey:@"activityVerboseHigh" service:k_serviceShareKeyChain];
  164. }
  165. #pragma ------------------------------ GET
  166. + (NSString *)getKeyChainPasscodeForUUID:(NSString *)uuid
  167. {
  168. if (!uuid) return @"";
  169. NSString *passcode = [UICKeyChainStore stringForKey:uuid service:k_serviceShareKeyChain];
  170. if (!passcode)
  171. passcode = @"";
  172. return passcode;
  173. }
  174. + (NSString *)getUUID
  175. {
  176. #if TARGET_IPHONE_SIMULATOR
  177. NSUUID *deviceId = [[NSUUID alloc]initWithUUIDString:k_UUID_SIM];
  178. return [deviceId UUIDString];
  179. #else
  180. NSString *uuid = [[UIDevice currentDevice] identifierForVendor].UUIDString;
  181. return uuid;
  182. #endif
  183. }
  184. + (NSString *)getNameCurrentDevice
  185. {
  186. return [[UIDevice currentDevice] name];
  187. }
  188. + (NSString *)getVersionCryptoCloud
  189. {
  190. return [UICKeyChainStore stringForKey:@"version" service:k_serviceShareKeyChain];
  191. }
  192. + (NSString *)getBlockCode
  193. {
  194. return [UICKeyChainStore stringForKey:@"blockcode" service:k_serviceShareKeyChain];
  195. }
  196. + (BOOL)getSimplyBlockCode
  197. {
  198. NSString *simplyBlockCode = [UICKeyChainStore stringForKey:@"simplyblockcode" service:k_serviceShareKeyChain];
  199. if (simplyBlockCode == nil) {
  200. [self setSimplyBlockCode:YES];
  201. return YES;
  202. }
  203. return [simplyBlockCode boolValue];
  204. }
  205. + (BOOL)getOnlyLockDir
  206. {
  207. return [[UICKeyChainStore stringForKey:@"onlylockdir" service:k_serviceShareKeyChain] boolValue];
  208. }
  209. + (BOOL)getOptimizedPhoto
  210. {
  211. return [[UICKeyChainStore stringForKey:@"optimizedphoto" service:k_serviceShareKeyChain] boolValue];
  212. }
  213. + (BOOL)getUploadAndRemovePhoto
  214. {
  215. return [[UICKeyChainStore stringForKey:@"uploadremovephoto" service:k_serviceShareKeyChain] boolValue];
  216. }
  217. + (NSString *)getOrderSettings
  218. {
  219. NSString *order = [UICKeyChainStore stringForKey:@"order" service:k_serviceShareKeyChain];
  220. if (order == nil) {
  221. [self setOrderSettings:@"fileName"];
  222. return @"fileName";
  223. }
  224. return order;
  225. }
  226. + (BOOL)getAscendingSettings
  227. {
  228. NSString *ascending = [UICKeyChainStore stringForKey:@"ascending" service:k_serviceShareKeyChain];
  229. if (ascending == nil) {
  230. [self setAscendingSettings:YES];
  231. return YES;
  232. }
  233. return [ascending boolValue];
  234. }
  235. + (NSString *)getGroupBySettings
  236. {
  237. NSString *groupby = [UICKeyChainStore stringForKey:@"groupby" service:k_serviceShareKeyChain];
  238. if (groupby == nil) {
  239. [self setGroupBySettings:@"none"];
  240. return @"none";
  241. }
  242. return groupby;
  243. }
  244. + (BOOL)getIntro:(NSString *)version
  245. {
  246. return [[UICKeyChainStore stringForKey:version service:k_serviceShareKeyChain] boolValue];
  247. }
  248. + (NSString *)getIncrementalNumber
  249. {
  250. long number = [[UICKeyChainStore stringForKey:@"incrementalnumber" service:k_serviceShareKeyChain] intValue];
  251. number++;
  252. if (number >= 9999) number = 1;
  253. [UICKeyChainStore setString:[NSString stringWithFormat:@"%ld", number] forKey:@"incrementalnumber"];
  254. return [NSString stringWithFormat:@"%04ld", number];
  255. }
  256. + (NSString *)getActiveAccountShareExt
  257. {
  258. return [UICKeyChainStore stringForKey:@"activeAccountShareExt" service:k_serviceShareKeyChain];
  259. }
  260. + (BOOL)getCryptatedShareExt
  261. {
  262. return [[UICKeyChainStore stringForKey:@"cryptatedShareExt" service:k_serviceShareKeyChain] boolValue];
  263. }
  264. + (NSString *)getServerUrlShareExt
  265. {
  266. return [UICKeyChainStore stringForKey:@"serverUrlShareExt" service:k_serviceShareKeyChain];
  267. }
  268. + (NSString *)getTitleServerUrlShareExt
  269. {
  270. return [UICKeyChainStore stringForKey:@"titleServerUrlShareExt" service:k_serviceShareKeyChain];
  271. }
  272. + (NSString *)getEmail
  273. {
  274. return [UICKeyChainStore stringForKey:@"email" service:k_serviceShareKeyChain];
  275. }
  276. + (NSString *)getHint
  277. {
  278. return [UICKeyChainStore stringForKey:@"hint" service:k_serviceShareKeyChain];
  279. }
  280. + (BOOL)getDirectoryOnTop
  281. {
  282. return [[UICKeyChainStore stringForKey:@"directoryOnTop" service:k_serviceShareKeyChain] boolValue];
  283. }
  284. + (NSString *)getFileNameMask:(NSString *)key
  285. {
  286. NSString *mask = [UICKeyChainStore stringForKey:key service:k_serviceShareKeyChain];
  287. if (mask == nil)
  288. mask = @"";
  289. return mask;
  290. }
  291. + (BOOL)getCreateMenuEncrypted
  292. {
  293. return [[UICKeyChainStore stringForKey:@"createMenuEncrypted" service:k_serviceShareKeyChain] boolValue];
  294. }
  295. + (BOOL)getFavoriteOffline
  296. {
  297. return [[UICKeyChainStore stringForKey:@"favoriteOffline" service:k_serviceShareKeyChain] boolValue];
  298. }
  299. + (BOOL)getActivityVerboseHigh
  300. {
  301. return [[UICKeyChainStore stringForKey:@"activityVerboseHigh" service:k_serviceShareKeyChain] boolValue];
  302. }
  303. #pragma --------------------------------------------------------------------------------------------
  304. #pragma mark ===== Varius =====
  305. #pragma --------------------------------------------------------------------------------------------
  306. + (NSString *)getUserAgent
  307. {
  308. NSString *appVersion = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"];
  309. return [NSString stringWithFormat:@"%@%@",@"Mozilla/5.0 (iOS) Nextcloud-iOS/",appVersion];
  310. }
  311. + (NSString *)dateDiff:(NSDate *) convertedDate
  312. {
  313. NSDateFormatter *df = [[NSDateFormatter alloc] init];
  314. [df setFormatterBehavior:NSDateFormatterBehavior10_4];
  315. [df setDateFormat:@"EEE, dd MMM yy HH:mm:ss VVVV"];
  316. //NSDate *convertedDate = [df dateFromString:origDate];
  317. //NSDate *convertedDate = [NSDate dateWithTimeIntervalSince1970:origDate];
  318. NSDate *todayDate = [NSDate date];
  319. double ti = [convertedDate timeIntervalSinceDate:todayDate];
  320. ti = ti * -1;
  321. if(ti < 1) {
  322. return NSLocalizedString(@"_never_", nil);
  323. } else if (ti < 60) {
  324. return NSLocalizedString(@"_less_a_minute_", nil);
  325. } else if (ti < 3600) {
  326. int diff = round(ti / 60);
  327. return [NSString stringWithFormat:NSLocalizedString(@"_minutes_ago_", nil), diff];
  328. } else if (ti < 86400) {
  329. int diff = round(ti / 60 / 60);
  330. return[NSString stringWithFormat:NSLocalizedString(@"_hours_ago_", nil), diff];
  331. } else if (ti < 2629743) {
  332. int diff = round(ti / 60 / 60 / 24);
  333. return[NSString stringWithFormat:NSLocalizedString(@"_days_ago_", nil), diff];
  334. } else {
  335. return NSLocalizedString(@"_over_30_days_", nil);
  336. }
  337. }
  338. + (NSString *)transformedSize:(double)value
  339. {
  340. int multiplyFactor = 0;
  341. NSArray *tokens = [NSArray arrayWithObjects:@"bytes",@"KB",@"MB",@"GB",@"TB",nil];
  342. while (value > 1024) {
  343. value /= 1024;
  344. multiplyFactor++;
  345. }
  346. return [NSString stringWithFormat:@"%4.2f %@",value, [tokens objectAtIndex:multiplyFactor]];
  347. }
  348. // Remove do not forbidden characters for Nextcloud Server
  349. + (NSString *)removeForbiddenCharactersServer:(NSString *)fileName
  350. {
  351. NSArray *arrayForbiddenCharacters = [NSArray arrayWithObjects:@"/", nil];
  352. for (NSString *currentCharacter in arrayForbiddenCharacters) {
  353. fileName = [fileName stringByReplacingOccurrencesOfString:currentCharacter withString:@""];
  354. }
  355. return fileName;
  356. }
  357. // Remove do not forbidden characters for File System Server
  358. + (NSString *)removeForbiddenCharactersFileSystem:(NSString *)fileName
  359. {
  360. NSArray *arrayForbiddenCharacters = [NSArray arrayWithObjects:@"\\",@"<",@">",@":",@"\"",@"|",@"?",@"*",@"/", nil];
  361. for (NSString *currentCharacter in arrayForbiddenCharacters) {
  362. fileName = [fileName stringByReplacingOccurrencesOfString:currentCharacter withString:@""];
  363. }
  364. return fileName;
  365. }
  366. + (NSString*)stringAppendServerUrl:(NSString *)serverUrl addFileName:(NSString *)addFileName
  367. {
  368. NSString *result;
  369. if (serverUrl == nil || addFileName == nil) return nil;
  370. if ([addFileName isEqualToString:@""]) return serverUrl;
  371. if ([serverUrl isEqualToString:@"/"]) result = [serverUrl stringByAppendingString:addFileName];
  372. else result = [NSString stringWithFormat:@"%@/%@", serverUrl, addFileName];
  373. return result;
  374. }
  375. + (NSString *)createRandomString:(int)numChars
  376. {
  377. NSString *letters = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
  378. NSMutableString *randomString = [NSMutableString stringWithCapacity: numChars];
  379. for (int i=0; i < numChars; i++) {
  380. [randomString appendFormat: @"%C", [letters characterAtIndex: arc4random_uniform((unsigned int)[letters length]) % [letters length]]];
  381. }
  382. return [NSString stringWithFormat:@"%@", randomString];
  383. }
  384. + (NSString *)createFileNameFromAsset:(PHAsset *)asset key:(NSString *)key
  385. {
  386. NSDate *assetDate = asset.creationDate;
  387. NSString *fileName;
  388. NSString *assetFileName = [asset valueForKey:@"filename"];
  389. NSString *numberFileName;
  390. if ([assetFileName length] > 8) numberFileName = [assetFileName substringWithRange:NSMakeRange(04, 04)];
  391. else numberFileName = [CCUtility getIncrementalNumber];
  392. NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
  393. [formatter setDateFormat:@"yyyy-MM-dd HH-mm-ss"];
  394. NSString *fileNameDate = [formatter stringFromDate:assetDate];
  395. NSString *fileNameExt = [[assetFileName pathExtension] lowercaseString];
  396. if (key) {
  397. fileName = [CCUtility getFileNameMask:key];
  398. if ([fileName length] > 0) {
  399. [formatter setDateFormat:@"dd"];
  400. NSString *day = [formatter stringFromDate:assetDate];
  401. [formatter setDateFormat:@"MMM"];
  402. NSString *month = [formatter stringFromDate:assetDate];
  403. [formatter setDateFormat:@"yyyy"];
  404. NSString *year = [formatter stringFromDate:assetDate];
  405. // Replace string with date
  406. fileName = [fileName stringByReplacingOccurrencesOfString:@"DD" withString:day];
  407. fileName = [fileName stringByReplacingOccurrencesOfString:@"MM" withString:month];
  408. fileName = [fileName stringByReplacingOccurrencesOfString:@"YY" withString:year];
  409. fileName = [NSString stringWithFormat:@"%@-%@.%@", fileName, numberFileName, fileNameExt];
  410. } else {
  411. fileName = [NSString stringWithFormat:@"%@ %@.%@", fileNameDate, numberFileName, fileNameExt];
  412. }
  413. } else {
  414. fileName = [NSString stringWithFormat:@"%@ %@.%@", fileNameDate, numberFileName, fileNameExt];
  415. }
  416. return fileName;
  417. }
  418. + (NSString *)getHomeServerUrlActiveUrl:(NSString *)activeUrl
  419. {
  420. if (activeUrl == nil) return nil;
  421. return [activeUrl stringByAppendingString:webDAV];
  422. }
  423. // Return path of User Crypto Cloud / <user dir>
  424. + (NSString *)getDirectoryActiveUser:(NSString *)activeUser activeUrl:(NSString *)activeUrl
  425. {
  426. NSURL *dirGroup = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:[NCBrandOptions sharedInstance].capabilitiesGroups];
  427. NSString *user = activeUser;
  428. NSString *baseUrl = [activeUrl lowercaseString];
  429. NSString *dirUserBaseUrl = nil;
  430. NSString *dirApplicationUserGroup = nil;
  431. if ([user length] && [baseUrl length]) {
  432. if ([baseUrl hasPrefix:@"https://"]) baseUrl = [baseUrl substringFromIndex:8];
  433. if ([baseUrl hasPrefix:@"http://"]) baseUrl = [baseUrl substringFromIndex:7];
  434. dirUserBaseUrl = [NSString stringWithFormat:@"%@-%@", user, baseUrl];
  435. dirUserBaseUrl = [[self removeForbiddenCharactersFileSystem:dirUserBaseUrl] lowercaseString];
  436. } else return @"";
  437. dirApplicationUserGroup = [[dirGroup URLByAppendingPathComponent:appApplicationSupport] path];
  438. dirUserBaseUrl = [NSString stringWithFormat:@"%@/%@", dirApplicationUserGroup, dirUserBaseUrl];
  439. if (![[NSFileManager defaultManager] fileExistsAtPath: dirUserBaseUrl]) {
  440. [[NSFileManager defaultManager] createDirectoryAtPath:dirUserBaseUrl withIntermediateDirectories:YES attributes:nil error:nil];
  441. }
  442. return dirUserBaseUrl;
  443. }
  444. + (NSString *)getOLDDirectoryActiveUser:(NSString *)activeUser activeUrl:(NSString *)activeUrl
  445. {
  446. NSString *user = activeUser;
  447. NSString *baseUrl = [activeUrl lowercaseString];
  448. NSString *dirUserBaseUrl = nil;
  449. if ([user length] && [baseUrl length]) {
  450. if ([baseUrl hasPrefix:@"https://"]) baseUrl = [baseUrl substringFromIndex:8];
  451. if ([baseUrl hasPrefix:@"http://"]) baseUrl = [baseUrl substringFromIndex:7];
  452. dirUserBaseUrl = [NSString stringWithFormat:@"%@-%@", user, baseUrl];
  453. dirUserBaseUrl = [[self removeForbiddenCharactersFileSystem:dirUserBaseUrl] lowercaseString];
  454. } else return @"";
  455. NSArray *paths = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES);
  456. dirUserBaseUrl = [NSString stringWithFormat:@"%@/%@", [paths objectAtIndex:0], dirUserBaseUrl];
  457. return dirUserBaseUrl;
  458. }
  459. // Return the path of directory Local -> NSDocumentDirectory
  460. + (NSString *)getDirectoryLocal
  461. {
  462. NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
  463. return [paths objectAtIndex:0];
  464. }
  465. // Return the path of directory Crypto Cloud / Audio
  466. + (NSString *)getDirectoryAudio
  467. {
  468. NSArray *paths = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES);
  469. return [NSString stringWithFormat:@"%@/%@", [paths objectAtIndex:0], @"audio"];
  470. }
  471. // Return the path of directory Cetificates
  472. + (NSString *)getDirectoryCerificates
  473. {
  474. NSURL *dirGroup = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:[NCBrandOptions sharedInstance].capabilitiesGroups];
  475. NSString *dir = [[dirGroup URLByAppendingPathComponent:appCertificates] path];
  476. if (![[NSFileManager defaultManager] fileExistsAtPath:dir])
  477. [[NSFileManager defaultManager] createDirectoryAtPath:dir withIntermediateDirectories:YES attributes:nil error:nil];
  478. return dir;
  479. }
  480. + (NSString *)getTitleSectionDate:(NSDate *)date
  481. {
  482. NSString * title;
  483. if ([date isEqualToDate:[CCUtility datetimeWithOutTime:[NSDate distantPast]]]) {
  484. title = NSLocalizedString(@"_no_date_", nil);
  485. } else {
  486. title = [NSDateFormatter localizedStringFromDate:date dateStyle:NSDateFormatterFullStyle timeStyle:0];
  487. if ([date isEqualToDate:[CCUtility datetimeWithOutTime:[NSDate date]]])
  488. title = [NSString stringWithFormat:NSLocalizedString(@"_today_", nil)];
  489. }
  490. return title;
  491. }
  492. + (void)moveFileAtPath:(NSString *)atPath toPath:(NSString *)toPath
  493. {
  494. if ([[NSFileManager defaultManager] fileExistsAtPath:atPath]) {
  495. [[NSFileManager defaultManager] removeItemAtPath:toPath error:nil];
  496. [[NSFileManager defaultManager] copyItemAtPath:atPath toPath:toPath error:nil];
  497. [[NSFileManager defaultManager] removeItemAtPath:atPath error:nil];
  498. }
  499. }
  500. + (void)copyFileAtPath:(NSString *)atPath toPath:(NSString *)toPath
  501. {
  502. if ([[NSFileManager defaultManager] fileExistsAtPath:atPath]) {
  503. [[NSFileManager defaultManager] removeItemAtPath:toPath error:nil];
  504. [[NSFileManager defaultManager] copyItemAtPath:atPath toPath:toPath error:nil];
  505. }
  506. }
  507. + (void)removeAllFileID_UPLOAD_ActiveUser:(NSString *)activeUser activeUrl:(NSString *)activeUrl
  508. {
  509. NSString *file;
  510. NSString *dir;
  511. dir = [self getDirectoryActiveUser:activeUser activeUrl:activeUrl];
  512. NSDirectoryEnumerator *enumerator = [[NSFileManager defaultManager] enumeratorAtPath:dir];
  513. while (file = [enumerator nextObject]) {
  514. if ([file rangeOfString:@"ID_UPLOAD_"].location != NSNotFound)
  515. [[NSFileManager defaultManager] removeItemAtPath:[NSString stringWithFormat:@"%@/%@", dir, file] error:nil];
  516. }
  517. }
  518. + (NSString *)deletingLastPathComponentFromServerUrl:(NSString *)serverUrl
  519. {
  520. NSURL *url = [[NSURL URLWithString:[serverUrl stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]] URLByDeletingLastPathComponent];
  521. NSString *pather = [[url absoluteString] stringByRemovingPercentEncoding];
  522. return [pather substringToIndex: [pather length] - 1];
  523. }
  524. + (NSString *)returnFileNamePathFromFileName:(NSString *)metadataFileName serverUrl:(NSString *)serverUrl activeUrl:(NSString *)activeUrl
  525. {
  526. NSString *fileName = [NSString stringWithFormat:@"%@/%@", [serverUrl stringByReplacingOccurrencesOfString:[CCUtility getHomeServerUrlActiveUrl:activeUrl] withString:@""], metadataFileName];
  527. if ([fileName hasPrefix:@"/"]) fileName = [fileName substringFromIndex:1];
  528. return fileName;
  529. }
  530. + (void)sendMailEncryptPass:(NSString *)recipient validateEmail:(BOOL)validateEmail form:(id)form nameImage:(NSString *)nameImage
  531. {
  532. BOOL error = NO;
  533. if (validateEmail)
  534. error = ![self isValidEmail:recipient];
  535. if (!error)
  536. error = ![MFMailComposeViewController canSendMail];
  537. if (!error) {
  538. NSString *key = [CCUtility getKeyChainPasscodeForUUID:[CCUtility getUUID]];
  539. MFMailComposeViewController *mc = [[MFMailComposeViewController alloc] init];
  540. mc.mailComposeDelegate = form;
  541. [mc setSubject:NSLocalizedString(@"_title_mail_encryptpass_", nil)];
  542. NSString *htmlMsg =[NSString stringWithFormat:@"<html><body><p>%@ : %@ , %@</p></body></html>", NSLocalizedString(@"_text1_mail_encryptpass_", nil), key, NSLocalizedString(@"_text2_mail_encryptpass_", nil)];
  543. NSData *jpegData = UIImageJPEGRepresentation([UIImage imageNamed:nameImage], 1.0);
  544. [mc addAttachmentData:jpegData mimeType:@"image/jpeg" fileName:@"cryptocloud.png"];
  545. [mc setMessageBody:htmlMsg isHTML:YES];
  546. if ([self isValidEmail:recipient])
  547. [mc setToRecipients:@[recipient]];
  548. [form presentViewController:mc animated:YES completion:NULL];
  549. } else {
  550. UIAlertController * alert= [UIAlertController alertControllerWithTitle:NSLocalizedString(@"_error_", nil) message:NSLocalizedString(@"_mail_not_can_send_mail_", nil) preferredStyle:UIAlertControllerStyleAlert];
  551. UIAlertAction* ok = [UIAlertAction actionWithTitle:NSLocalizedString(@"_ok_", nil) style:UIAlertActionStyleDefault
  552. handler:^(UIAlertAction * action) {
  553. [alert dismissViewControllerAnimated:YES completion:nil];
  554. }];
  555. [alert addAction:ok];
  556. [form presentViewController:alert animated:YES completion:nil];
  557. }
  558. }
  559. + (NSArray *)createNameSubFolder:(NSArray *)alassets
  560. {
  561. NSMutableOrderedSet *datesSubFolder = [NSMutableOrderedSet new];
  562. for (PHAsset *asset in alassets) {
  563. NSDate *assetDate = asset.creationDate;
  564. NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
  565. [formatter setDateFormat:@"yyyy"];
  566. NSString *yearString = [formatter stringFromDate:assetDate];
  567. [datesSubFolder addObject:yearString];
  568. [formatter setDateFormat:@"MM"];
  569. NSString *monthString = [formatter stringFromDate:assetDate];
  570. monthString = [NSString stringWithFormat:@"%@/%@", yearString, monthString];
  571. [datesSubFolder addObject:monthString];
  572. }
  573. return (NSArray *)datesSubFolder;
  574. }
  575. #pragma --------------------------------------------------------------------------------------------
  576. #pragma mark ===== CCMetadata =====
  577. #pragma --------------------------------------------------------------------------------------------
  578. + (tableMetadata *)trasformedOCFileToCCMetadata:(OCFileDto *)itemDto fileNamePrint:(NSString *)fileNamePrint serverUrl:(NSString *)serverUrl directoryID:(NSString *)directoryID autoUploadFileName:(NSString *)autoUploadFileName autoUploadDirectory:(NSString *)autoUploadDirectory activeAccount:(NSString *)activeAccount directoryUser:(NSString *)directoryUser
  579. {
  580. tableMetadata *metadata = [tableMetadata new];
  581. metadata.account = activeAccount;
  582. metadata.cryptated = NO;
  583. metadata.date = [NSDate dateWithTimeIntervalSince1970:itemDto.date];
  584. metadata.directory = itemDto.isDirectory;
  585. metadata.errorPasscode = false;
  586. metadata.favorite = itemDto.isFavorite;
  587. metadata.fileID = itemDto.ocId;
  588. metadata.directoryID = directoryID;
  589. metadata.fileName = [CCUtility removeForbiddenCharactersServer:itemDto.fileName];
  590. metadata.fileNameData = [CCUtility trasformedFileNamePlistInCrypto:metadata.fileName];
  591. metadata.fileNamePrint = [CCUtility removeForbiddenCharactersServer:fileNamePrint];
  592. metadata.iconName = @"";
  593. metadata.model = @"";
  594. metadata.nameCurrentDevice = [CCUtility getNameCurrentDevice];
  595. metadata.permissions = itemDto.permissions;
  596. metadata.protocolCrypto = @"";
  597. metadata.etag = itemDto.etag;
  598. metadata.size = itemDto.size;
  599. metadata.sessionTaskIdentifier = k_taskIdentifierDone;
  600. metadata.sessionTaskIdentifierPlist = k_taskIdentifierDone;
  601. metadata.title = @"";
  602. metadata.type = k_metadataType_file;
  603. metadata.typeFile = @"";
  604. metadata.uuid = [CCUtility getUUID];
  605. switch ([self getTypeFileName:metadata.fileName]) {
  606. case k_metadataTypeFilenamePlist:
  607. metadata.cryptated = YES;
  608. metadata.fileNamePrint = @" ";
  609. [self insertInformationPlist:metadata directoryUser:directoryUser];
  610. break;
  611. case k_metadataTypeFilenameCrypto:
  612. metadata.cryptated = YES;
  613. metadata.fileNamePrint = @"";
  614. break;
  615. }
  616. [self insertTypeFileIconName:metadata serverUrl:serverUrl autoUploadFileName:autoUploadFileName autoUploadDirectory:autoUploadDirectory];
  617. return metadata;
  618. }
  619. + (tableMetadata *)insertTypeFileIconName:(tableMetadata *)metadata serverUrl:(NSString *)serverUrl autoUploadFileName:(NSString *)autoUploadFileName autoUploadDirectory:(NSString *)autoUploadDirectory
  620. {
  621. if ([metadata.type isEqualToString: k_metadataType_template]) {
  622. metadata.typeFile = k_metadataTypeFile_template;
  623. } else if (!metadata.directory) {
  624. CFStringRef fileExtension = (__bridge CFStringRef)[metadata.fileNamePrint pathExtension];
  625. CFStringRef fileUTI = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, fileExtension, NULL);
  626. NSString *ext = (__bridge NSString *)fileExtension;
  627. ext = ext.uppercaseString;
  628. // thumbnailExists
  629. 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"])
  630. metadata.thumbnailExists = YES;
  631. else
  632. metadata.thumbnailExists = NO;
  633. // if wrong code, icon protect
  634. if (metadata.errorPasscode) {
  635. metadata.typeFile = k_metadataTypeFile_unknown;
  636. metadata.iconName = @"plist";
  637. return metadata;
  638. }
  639. // Type compress
  640. if (UTTypeConformsTo(fileUTI, kUTTypeZipArchive) && [(__bridge NSString *)fileUTI containsString:@"org.openxmlformats"] == NO && [(__bridge NSString *)fileUTI containsString:@"oasis"] == NO) {
  641. metadata.typeFile = k_metadataTypeFile_compress;
  642. metadata.iconName = @"file_compress";
  643. }
  644. // Type image
  645. else if (UTTypeConformsTo(fileUTI, kUTTypeImage)) {
  646. metadata.typeFile = k_metadataTypeFile_image;
  647. metadata.iconName = @"file_photo";
  648. }
  649. // Type Video
  650. else if (UTTypeConformsTo(fileUTI, kUTTypeMovie)) {
  651. metadata.typeFile = k_metadataTypeFile_video;
  652. metadata.iconName = @"file_movie";
  653. }
  654. // Type Audio
  655. else if (UTTypeConformsTo(fileUTI, kUTTypeAudio)) {
  656. metadata.typeFile = k_metadataTypeFile_audio;
  657. metadata.iconName = @"file_audio";
  658. }
  659. // Type Document [DOC] [PDF] [XLS] [TXT] (RTF = "public.rtf" - ODT = "org.oasis-open.opendocument.text") [MD]
  660. else if (UTTypeConformsTo(fileUTI, kUTTypeContent) || [ext isEqualToString:@"MD"]) {
  661. metadata.typeFile = k_metadataTypeFile_document;
  662. metadata.iconName = @"document";
  663. NSString *typeFile = (__bridge NSString *)fileUTI;
  664. if ([typeFile isEqualToString:@"com.adobe.pdf"]) {
  665. metadata.iconName = @"file_pdf";
  666. }
  667. if ([typeFile isEqualToString:@"org.openxmlformats.spreadsheetml.sheet"]) {
  668. metadata.iconName = @"file_xls";
  669. }
  670. if ([typeFile isEqualToString:@"com.microsoft.excel.xls"]) {
  671. metadata.iconName = @"file_xls";
  672. }
  673. if ([typeFile isEqualToString:@"public.plain-text"] || [ext isEqualToString:@"MD"]) {
  674. metadata.iconName = @"file_txt";
  675. }
  676. if ([typeFile isEqualToString:@"public.html"]) {
  677. metadata.iconName = @"file_code";
  678. }
  679. } else {
  680. // Type unknown
  681. metadata.typeFile = k_metadataTypeFile_unknown;
  682. // icon uTorrent
  683. if ([(__bridge NSString *)fileExtension isEqualToString:@"torrent"]) {
  684. metadata.iconName = @"utorrent";
  685. } else {
  686. if (metadata.cryptated) metadata.iconName = @"plist";
  687. else metadata.iconName = @"file";
  688. }
  689. }
  690. } else {
  691. // icon directory
  692. metadata.typeFile = k_metadataTypeFile_directory;
  693. if (metadata.cryptated) metadata.iconName = @"foldercrypto";
  694. else metadata.iconName = @"folder";
  695. if([metadata.fileName isEqualToString:autoUploadFileName] && [serverUrl isEqualToString:autoUploadDirectory])
  696. metadata.iconName = @"folderphotocamera";
  697. }
  698. return metadata;
  699. }
  700. + (tableMetadata *)insertInformationPlist:(tableMetadata *)metadata directoryUser:(NSString *)directoryUser
  701. {
  702. NSString *fileNamePlist, *temp, *passcode;
  703. NSError *error;
  704. // find the plist
  705. // 1) directory temp
  706. // 2) directory serverUrl
  707. temp = [NSTemporaryDirectory() stringByAppendingString:metadata.fileName];
  708. if ([[NSFileManager defaultManager] fileExistsAtPath:temp]) fileNamePlist = temp;
  709. else {
  710. temp = [NSString stringWithFormat:@"%@/%@", directoryUser, metadata.fileName];
  711. if ([[NSFileManager defaultManager] fileExistsAtPath:temp]) fileNamePlist = temp;
  712. }
  713. if (!fileNamePlist)
  714. return nil;
  715. NSMutableDictionary *data = [[NSMutableDictionary alloc] initWithContentsOfFile:fileNamePlist];
  716. NSString *title = [data objectForKey:@"title"];
  717. NSString *len = [data objectForKey:@"len"];
  718. NSString *uuid = [data objectForKey:@"uuid"];
  719. // AutoInsert password if possible Versione 1.3
  720. [[CCCrypto sharedManager] autoInsertPasscodeUUID:uuid text:title];
  721. passcode = [[CCCrypto sharedManager] getKeyPasscode:uuid];
  722. metadata.cryptated = YES;
  723. metadata.directory = [[data objectForKey:@"dir"] boolValue];
  724. metadata.iconName = [data objectForKey:@"icon"];
  725. metadata.model = [data objectForKey:@"model"];
  726. metadata.nameCurrentDevice = [data objectForKey:@"namecurrentdevice"];
  727. metadata.protocolCrypto = [data objectForKey:@"protocol"];
  728. metadata.size = (long) [len longLongValue];
  729. if ([data objectForKey:@"image"] == nil)
  730. metadata.thumbnailExists = NO;
  731. else
  732. metadata.thumbnailExists = YES;
  733. metadata.title = title;
  734. metadata.type = [data objectForKey:@"type"];
  735. metadata.uuid = uuid;
  736. // Optimization V2.12
  737. if (![[NSFileManager defaultManager] fileExistsAtPath:[NSString stringWithFormat:@"%@/%@.ico", directoryUser, metadata.fileID]] && !metadata.directory) {
  738. // exists image V1.8
  739. NSData *imageData = [data objectForKey:@"image"];
  740. if (imageData) {
  741. if (passcode) imageData = [RNDecryptor decryptData:imageData withSettings:kRNCryptorAES256Settings password:passcode error:&error];
  742. else imageData = nil;
  743. if (imageData && error == nil) {
  744. UIImage *image = [UIImage imageWithData:imageData];
  745. if (image) {
  746. if (image.size.width == 128 && image.size.height == 128)
  747. [CCGraphics saveIcoWithEtag:metadata.fileID image:image writeToFile:[NSString stringWithFormat:@"%@/%@.ico", directoryUser, metadata.fileID] copy:NO move:NO fromPath:nil toPath:nil];
  748. else
  749. [CCGraphics saveIcoWithEtag:metadata.fileID image:[CCGraphics scaleImage:image toSize:CGSizeMake(128, 128)] writeToFile:[NSString stringWithFormat:@"%@/%@.ico", directoryUser, metadata.fileID] copy:NO move:NO fromPath:nil toPath:nil];
  750. }
  751. }
  752. }
  753. }
  754. if (passcode) {
  755. metadata.fileNamePrint = [AESCrypt decrypt:title password:passcode];
  756. if ([metadata.fileNamePrint length]) {
  757. metadata.errorPasscode = false;
  758. } else {
  759. // succede che è stata inserito un Passcode nuovo per lo stesso UUID
  760. metadata.fileNamePrint = NSLocalizedString(@"_insert_password_", nil);
  761. metadata.errorPasscode = true;
  762. }
  763. } else {
  764. metadata.errorPasscode = true;
  765. if (!metadata.uuid) metadata.fileNamePrint = @" ";
  766. else metadata.fileNamePrint = NSLocalizedString(@"_insert_password_", nil);
  767. }
  768. return metadata;
  769. }
  770. + (tableMetadata *)insertFileSystemInMetadata:(NSString *)fileName directory:(NSString *)directory activeAccount:(NSString *)activeAccount autoUploadFileName:(NSString *)autoUploadFileName autoUploadDirectory:(NSString *)autoUploadDirectory
  771. {
  772. tableMetadata *metadata = [[tableMetadata alloc] init];
  773. NSString *fileNamePath = [NSString stringWithFormat:@"%@/%@", directory, fileName];
  774. NSDictionary *attributes = [[NSFileManager defaultManager] attributesOfItemAtPath:fileNamePath error:nil];
  775. metadata.account = activeAccount;
  776. metadata.date = attributes[NSFileModificationDate];
  777. BOOL isDirectory;
  778. [[NSFileManager defaultManager] fileExistsAtPath:fileNamePath isDirectory:&isDirectory];
  779. metadata.directory = isDirectory;
  780. metadata.errorPasscode = false;
  781. metadata.fileID = fileName;
  782. metadata.directoryID = directory;
  783. metadata.fileName = fileName;
  784. metadata.fileNameData = fileName;
  785. metadata.fileNamePrint = fileName;
  786. metadata.nameCurrentDevice = [CCUtility getNameCurrentDevice];
  787. metadata.protocolCrypto = k_versionProtocolPlist;
  788. metadata.size = [attributes[NSFileSize] longValue];
  789. metadata.thumbnailExists = false;
  790. metadata.type = k_metadataType_local;
  791. metadata.title = @"";
  792. metadata.uuid = [CCUtility getUUID];
  793. if ([CCUtility isCryptoPlistString:fileName])
  794. metadata = [CCUtility insertInformationPlist:metadata directoryUser:directory];
  795. [self insertTypeFileIconName:metadata serverUrl:directory autoUploadFileName:autoUploadFileName autoUploadDirectory:autoUploadDirectory];
  796. return metadata;
  797. }
  798. // Return file name plist -> crypto
  799. + (NSString *)trasformedFileNamePlistInCrypto:(NSString *)fileName
  800. {
  801. if([self isCryptoPlistString:fileName])
  802. return [fileName substringToIndex:[fileName length] - 6];
  803. return fileName;
  804. }
  805. // Return file name crypto -> plist
  806. + (NSString *)trasformedFileNameCryptoInPlist:(NSString *)fileName
  807. {
  808. if([self isCryptoString:fileName])
  809. return [fileName stringByAppendingString:@".plist"];
  810. return fileName;
  811. }
  812. // It's file crypto ? 64 + crypto = 70
  813. + (BOOL)isCryptoString:(NSString *)fileName
  814. {
  815. NSString *crypto;
  816. if ([fileName length] != 70) return false;
  817. crypto = [fileName substringWithRange:NSMakeRange(64, 6)];
  818. if ([crypto isEqualToString:@"crypto"]) return true;
  819. else return false;
  820. }
  821. // It's file crypto.plist ? 64 + crypto.plist = 76
  822. + (BOOL)isCryptoPlistString:(NSString *)fileName
  823. {
  824. NSString *cryptoPlist;
  825. if ([fileName length] != 76) return false;
  826. cryptoPlist = [fileName substringWithRange:NSMakeRange(64, 12)];
  827. if ([cryptoPlist isEqualToString:@"crypto.plist"]) return true;
  828. else return false;
  829. }
  830. // It's file plain
  831. + (BOOL)isFileNotCryptated:(NSString *)filename
  832. {
  833. if ([self isCryptoPlistString:filename] == NO && [self isCryptoString:filename] == NO) return true;
  834. else return false;
  835. }
  836. // It's file encrypted
  837. + (BOOL)isFileCryptated:(NSString *)filename
  838. {
  839. if ([self isCryptoPlistString:filename] == YES || [self isCryptoString:filename] == YES) return true;
  840. else return false;
  841. }
  842. + (NSInteger)getTypeFileName:(NSString *)fileName
  843. {
  844. NSUInteger len = [fileName length];
  845. switch (len) {
  846. case 70:
  847. if ([[fileName substringWithRange:NSMakeRange(64, 6)] isEqualToString:@"crypto"]) return k_metadataTypeFilenameCrypto;
  848. else return k_metadataTypeFilenamePlain;
  849. break;
  850. case 76:
  851. if ([[fileName substringWithRange:NSMakeRange(64, 12)] isEqualToString:@"crypto.plist"]) return k_metadataTypeFilenamePlist;
  852. else return k_metadataTypeFilenamePlain;
  853. break;
  854. default:
  855. return k_metadataTypeFilenamePlain;
  856. break;
  857. }
  858. return k_metadataTypeFilenamePlain;
  859. }
  860. #pragma --------------------------------------------------------------------------------------------
  861. #pragma mark ===== Third parts =====
  862. #pragma --------------------------------------------------------------------------------------------
  863. + (NSString *)stringValueForKey:(id)key conDictionary:(NSDictionary *)dictionary
  864. {
  865. id obj = [dictionary objectForKey:key];
  866. if ([obj isEqual:[NSNull null]]) return @"";
  867. if ([obj isKindOfClass:[NSString class]]) {
  868. return obj;
  869. }
  870. else if ([obj isKindOfClass:[NSNumber class]]) {
  871. return [obj stringValue];
  872. }
  873. else {
  874. return [obj description];
  875. }
  876. }
  877. + (NSString *)currentDevice
  878. {
  879. struct utsname systemInfo;
  880. uname(&systemInfo);
  881. NSString *deviceName=[NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];
  882. //NSLog(@"[LOG] Device Name :%@",deviceName);
  883. return deviceName;
  884. }
  885. + (NSString *)getExtension:(NSString*)fileName
  886. {
  887. NSMutableArray *fileNameArray =[[NSMutableArray alloc] initWithArray: [fileName componentsSeparatedByCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@"."]]];
  888. NSString *extension = [NSString stringWithFormat:@"%@",[fileNameArray lastObject]];
  889. extension = [extension uppercaseString];
  890. //If the file has a ZIP extension obtain the previous one for check if it is a .pages.zip / .numbers.zip / .key.zip extension
  891. if ([extension isEqualToString:@"ZIP"]) {
  892. [fileNameArray removeLastObject];
  893. NSString *secondExtension = [NSString stringWithFormat:@"%@",[fileNameArray lastObject]];
  894. secondExtension = [secondExtension uppercaseString];
  895. if ([secondExtension isEqualToString:@"PAGES"] || [secondExtension isEqualToString:@"NUMBERS"] || [secondExtension isEqualToString:@"KEY"]) {
  896. extension = [NSString stringWithFormat:@"%@.%@",secondExtension,extension];
  897. return extension;
  898. }
  899. }
  900. return extension;
  901. }
  902. /*
  903. * Util method to make a NSDate object from a string from xml
  904. * @dateString -> Data string from xml
  905. */
  906. + (NSDate*)parseDateString:(NSString*)dateString
  907. {
  908. //Parse the date in all the formats
  909. NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
  910. /*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.*/
  911. [dateFormatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]];
  912. //This is the format for the concret locale used
  913. [dateFormatter setDateFormat:@"EEE, dd MMM y HH:mm:ss zzz"];
  914. NSDate *theDate = nil;
  915. NSError *error = nil;
  916. if (![dateFormatter getObjectValue:&theDate forString:dateString range:nil error:&error]) {
  917. NSLog(@"[LOG] Date '%@' could not be parsed: %@", dateString, error);
  918. }
  919. return theDate;
  920. }
  921. + (ALAssetsLibrary *)defaultAssetsLibrary
  922. {
  923. static dispatch_once_t pred = 0;
  924. static ALAssetsLibrary *library = nil;
  925. dispatch_once(&pred, ^{
  926. library = [[ALAssetsLibrary alloc] init];
  927. });
  928. return library;
  929. }
  930. + (NSDate *)datetimeWithOutTime:(NSDate *)datDate
  931. {
  932. if (datDate == nil) return nil;
  933. NSDateComponents* comps = [[NSCalendar currentCalendar] components:NSCalendarUnitYear|NSCalendarUnitMonth|NSCalendarUnitDay fromDate:datDate];
  934. datDate = [[NSCalendar currentCalendar] dateFromComponents:comps];
  935. return datDate;
  936. }
  937. + (NSDate *)datetimeWithOutDate:(NSDate *)datDate
  938. {
  939. if (datDate == nil) return nil;
  940. NSDateComponents* comps = [[NSCalendar currentCalendar] components:NSCalendarUnitHour|NSCalendarUnitMinute|NSCalendarUnitSecond fromDate:datDate];
  941. return [[NSCalendar currentCalendar] dateFromComponents:comps];
  942. }
  943. + (BOOL)isValidEmail:(NSString *)checkString
  944. {
  945. checkString = [checkString lowercaseString];
  946. BOOL stricterFilter = YES;
  947. NSString *stricterFilterString = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
  948. NSString *laxString = @".+@.+\\.[A-Za-z]{2}[A-Za-z]*";
  949. NSString *emailRegex = stricterFilter ? stricterFilterString : laxString;
  950. NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
  951. return [emailTest evaluateWithObject:checkString];
  952. }
  953. + (NSString *)URLEncodeStringFromString:(NSString *)string
  954. {
  955. static CFStringRef charset = CFSTR("!@#$%&*()+'\";:=,/?[] ");
  956. CFStringRef str = (__bridge CFStringRef)string;
  957. CFStringEncoding encoding = kCFStringEncodingUTF8;
  958. return (NSString *)CFBridgingRelease(CFURLCreateStringByAddingPercentEscapes(NULL, str, NULL, charset, encoding));
  959. }
  960. @end