// // RNFetchBlob.m // // Created by wkh237 on 2016/4/28. // #import "RNFetchBlob.h" #import "RNFetchBlobFS.h" #import "RNFetchBlobNetwork.h" #import "RNFetchBlobConst.h" #import "RNFetchBlobReqBuilder.h" #import "RNFetchBlobProgress.h" __strong RCTBridge * bridgeRef; dispatch_queue_t commonTaskQueue; dispatch_queue_t fsQueue; //////////////////////////////////////// // // Exported native methods // //////////////////////////////////////// #pragma mark RNFetchBlob exported methods @implementation RNFetchBlob @synthesize filePathPrefix; @synthesize documentController; @synthesize bridge = _bridge; - (dispatch_queue_t) methodQueue { if(commonTaskQueue == nil) commonTaskQueue = dispatch_queue_create("RNFetchBlob.queue", DISPATCH_QUEUE_SERIAL); return commonTaskQueue; } + (RCTBridge *)getRCTBridge { RCTRootView * rootView = (RCTRootView*) [[UIApplication sharedApplication] keyWindow].rootViewController.view; return rootView.bridge; } + (BOOL)requiresMainQueueSetup { return NO; } RCT_EXPORT_MODULE(); - (id) init { self = [super init]; self.filePathPrefix = FILE_PREFIX; if(commonTaskQueue == nil) commonTaskQueue = dispatch_queue_create("RNFetchBlob.queue", DISPATCH_QUEUE_SERIAL); if(fsQueue == nil) fsQueue = dispatch_queue_create("RNFetchBlob.fs.queue", DISPATCH_QUEUE_SERIAL); BOOL isDir; // if temp folder not exists, create one if(![[NSFileManager defaultManager] fileExistsAtPath: [RNFetchBlobFS getTempPath] isDirectory:&isDir]) { [[NSFileManager defaultManager] createDirectoryAtPath:[RNFetchBlobFS getTempPath] withIntermediateDirectories:YES attributes:nil error:NULL]; } bridgeRef = _bridge; [RNFetchBlobNetwork emitExpiredTasks]; return self; } - (NSDictionary *)constantsToExport { return @{ @"MainBundleDir" : [RNFetchBlobFS getMainBundleDir], @"DocumentDir": [RNFetchBlobFS getDocumentDir], @"CacheDir" : [RNFetchBlobFS getCacheDir] }; } // Fetch blob data request RCT_EXPORT_METHOD(fetchBlobForm:(NSDictionary *)options taskId:(NSString *)taskId method:(NSString *)method url:(NSString *)url headers:(NSDictionary *)headers form:(NSArray *)form callback:(RCTResponseSenderBlock)callback) { [RNFetchBlobReqBuilder buildMultipartRequest:options taskId:taskId method:method url:url headers:headers form:form onComplete:^(__weak NSURLRequest *req, long bodyLength) { // something went wrong when building the request body if(req == nil) { callback(@[@"RNFetchBlob.fetchBlobForm failed to create request body"]); } // send HTTP request else { [[RNFetchBlobNetwork sharedInstance] sendRequest:options contentLength:bodyLength bridge:self.bridge taskId:taskId withRequest:req callback:callback]; } }]; } // Fetch blob data request RCT_EXPORT_METHOD(fetchBlob:(NSDictionary *)options taskId:(NSString *)taskId method:(NSString *)method url:(NSString *)url headers:(NSDictionary *)headers body:(NSString *)body callback:(RCTResponseSenderBlock)callback) { [RNFetchBlobReqBuilder buildOctetRequest:options taskId:taskId method:method url:url headers:headers body:body onComplete:^(NSURLRequest *req, long bodyLength) { // something went wrong when building the request body if(req == nil) { callback(@[@"RNFetchBlob.fetchBlob failed to create request body"]); } // send HTTP request else { [[RNFetchBlobNetwork sharedInstance] sendRequest:options contentLength:bodyLength bridge:self.bridge taskId:taskId withRequest:req callback:callback]; } }]; } #pragma mark - fs.createFile RCT_EXPORT_METHOD(createFile:(NSString *)path data:(NSString *)data encoding:(NSString *)encoding resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) { NSFileManager * fm = [NSFileManager defaultManager]; NSData * fileContent = nil; if([[encoding lowercaseString] isEqualToString:@"utf8"]) { fileContent = [[NSData alloc] initWithData:[data dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:YES]]; } else if([[encoding lowercaseString] isEqualToString:@"base64"]) { fileContent = [[NSData alloc] initWithBase64EncodedData:data options:0]; } else if([[encoding lowercaseString] isEqualToString:@"uri"]) { NSString * orgPath = [data stringByReplacingOccurrencesOfString:FILE_PREFIX withString:@""]; fileContent = [[NSData alloc] initWithContentsOfFile:orgPath]; } else { fileContent = [[NSData alloc] initWithData:[data dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]]; } if ([fm fileExistsAtPath:path]) { reject(@"EEXIST", [NSString stringWithFormat:@"File '%@' already exists", path], nil); } else { BOOL success = [fm createFileAtPath:path contents:fileContent attributes:NULL]; if(success == YES) resolve(@[[NSNull null]]); else reject(@"EUNSPECIFIED", [NSString stringWithFormat:@"Failed to create new file at path '%@', please ensure the folder exists", path], nil); } } #pragma mark - fs.createFileASCII // method for create file with ASCII content RCT_EXPORT_METHOD(createFileASCII:(NSString *)path data:(NSArray *)dataArray resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) { NSFileManager * fm = [NSFileManager defaultManager]; NSMutableData * fileContent = [NSMutableData alloc]; // prevent stack overflow, alloc on heap char * bytes = (char*) malloc([dataArray count]); for(int i = 0; i < dataArray.count; i++) { bytes[i] = [[dataArray objectAtIndex:i] charValue]; } [fileContent appendBytes:bytes length:dataArray.count]; if ([fm fileExistsAtPath:path]) { reject(@"EEXIST", [NSString stringWithFormat:@"File '%@' already exists", path], nil); } else { BOOL success = [fm createFileAtPath:path contents:fileContent attributes:NULL]; if(success == YES) resolve(@[[NSNull null]]); else reject(@"EUNSPECIFIED", [NSString stringWithFormat:@"failed to create new file at path '%@', please ensure the folder exists", path], nil); } free(bytes); } #pragma mark - fs.pathForAppGroup RCT_EXPORT_METHOD(pathForAppGroup:(NSString *)groupName resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) { NSString * path = [RNFetchBlobFS getPathForAppGroup:groupName]; if(path) { resolve(path); } else { reject(@"EUNSPECIFIED", @"could not find path for app group", nil); } } #pragma mark - fs.exists RCT_EXPORT_METHOD(exists:(NSString *)path callback:(RCTResponseSenderBlock)callback) { [RNFetchBlobFS exists:path callback:callback]; } #pragma mark - fs.writeFile RCT_EXPORT_METHOD(writeFile:(NSString *)path encoding:(NSString *)encoding data:(NSString *)data append:(BOOL)append resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) { [RNFetchBlobFS writeFile:path encoding:[NSString stringWithString:encoding] data:data append:append resolver:resolve rejecter:reject]; } #pragma mark - fs.writeArray RCT_EXPORT_METHOD(writeFileArray:(NSString *)path data:(NSArray *)data append:(BOOL)append resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) { [RNFetchBlobFS writeFileArray:path data:data append:append resolver:resolve rejecter:reject]; } #pragma mark - fs.writeStream RCT_EXPORT_METHOD(writeStream:(NSString *)path withEncoding:(NSString *)encoding appendData:(BOOL)append callback:(RCTResponseSenderBlock)callback) { RNFetchBlobFS * fileStream = [[RNFetchBlobFS alloc] initWithBridgeRef:self.bridge]; NSFileManager * fm = [NSFileManager defaultManager]; NSString * folder = [path stringByDeletingLastPathComponent]; NSError* err = nil; BOOL isDir = NO; BOOL exists = [fm fileExistsAtPath:path isDirectory: &isDir]; if(!exists) { [fm createDirectoryAtPath:folder withIntermediateDirectories:YES attributes:NULL error:&err]; if(err != nil) { callback(@[@"ENOTDIR", [NSString stringWithFormat:@"Failed to create parent directory of '%@'; error: %@", path, [err description]]]); } if(![fm createFileAtPath:path contents:nil attributes:nil]) { callback(@[@"ENOENT", [NSString stringWithFormat:@"File '%@' does not exist and could not be created", path]]); } } else if(isDir) { callback(@[@"EISDIR", [NSString stringWithFormat:@"Expecting a file but '%@' is a directory", path]]); } NSString * streamId = [fileStream openWithPath:path encode:encoding appendData:append]; callback(@[[NSNull null], [NSNull null], streamId]); } #pragma mark - fs.writeArrayChunk RCT_EXPORT_METHOD(writeArrayChunk:(NSString *)streamId withArray:(NSArray *)dataArray callback:(RCTResponseSenderBlock) callback) { RNFetchBlobFS *fs = [[RNFetchBlobFS getFileStreams] valueForKey:streamId]; char * bytes = (char *) malloc([dataArray count]); for(int i = 0; i < dataArray.count; i++) { bytes[i] = [[dataArray objectAtIndex:i] charValue]; } NSMutableData * data = [NSMutableData alloc]; [data appendBytes:bytes length:dataArray.count]; [fs write:data]; free(bytes); callback(@[[NSNull null]]); } #pragma mark - fs.writeChunk RCT_EXPORT_METHOD(writeChunk:(NSString *)streamId withData:(NSString *)data callback:(RCTResponseSenderBlock) callback) { RNFetchBlobFS *fs = [[RNFetchBlobFS getFileStreams] valueForKey:streamId]; [fs writeEncodeChunk:data]; callback(@[[NSNull null]]); } #pragma mark - fs.closeStream RCT_EXPORT_METHOD(closeStream:(NSString *)streamId callback:(RCTResponseSenderBlock) callback) { RNFetchBlobFS *fs = [[RNFetchBlobFS getFileStreams] valueForKey:streamId]; [fs closeOutStream]; callback(@[[NSNull null], @YES]); } #pragma mark - unlink RCT_EXPORT_METHOD(unlink:(NSString *)path callback:(RCTResponseSenderBlock) callback) { NSError * error = nil; NSString * tmpPath = nil; [[NSFileManager defaultManager] removeItemAtPath:path error:&error]; if(error == nil || [[NSFileManager defaultManager] fileExistsAtPath:path] == NO) callback(@[[NSNull null]]); else callback(@[[NSString stringWithFormat:@"failed to unlink file or path at %@", path]]); } #pragma mark - fs.removeSession RCT_EXPORT_METHOD(removeSession:(NSArray *)paths callback:(RCTResponseSenderBlock) callback) { NSError * error = nil; NSString * tmpPath = nil; for(NSString * path in paths) { [[NSFileManager defaultManager] removeItemAtPath:path error:&error]; if(error != nil) { callback(@[[NSString stringWithFormat:@"failed to remove session path at %@", path]]); return; } } callback(@[[NSNull null]]); } #pragma mark - fs.ls RCT_EXPORT_METHOD(ls:(NSString *)path resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) { NSFileManager* fm = [NSFileManager defaultManager]; BOOL exist = nil; BOOL isDir = nil; exist = [fm fileExistsAtPath:path isDirectory:&isDir]; if(exist == NO) { return reject(@"ENOENT", [NSString stringWithFormat:@"No such file '%@'", path], nil); } if(isDir == NO) { return reject(@"ENOTDIR", [NSString stringWithFormat:@"Not a directory '%@'", path], nil); } NSError * error = nil; NSArray * result = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:path error:&error]; if(error == nil) resolve(result); else reject(@"EUNSPECIFIED", [error description], nil); } #pragma mark - fs.stat RCT_EXPORT_METHOD(stat:(NSString *)target callback:(RCTResponseSenderBlock) callback) { [RNFetchBlobFS getPathFromUri:target completionHandler:^(NSString *path, ALAssetRepresentation *asset) { __block NSMutableArray * result; if(path != nil) { NSFileManager* fm = [NSFileManager defaultManager]; BOOL exist = nil; BOOL isDir = nil; NSError * error = nil; exist = [fm fileExistsAtPath:path isDirectory:&isDir]; if(exist == NO) { callback(@[[NSString stringWithFormat:@"failed to stat path `%@` because it does not exist or it is not a folder", path]]); return ; } result = [RNFetchBlobFS stat:path error:&error]; if(error == nil) callback(@[[NSNull null], result]); else callback(@[[error localizedDescription], [NSNull null]]); } else if(asset != nil) { __block NSNumber * size = [NSNumber numberWithLong:[asset size]]; result = [asset metadata]; [result setValue:size forKey:@"size"]; callback(@[[NSNull null], result]); } else { callback(@[@"failed to stat path, could not resolve URI", [NSNull null]]); } }]; } #pragma mark - fs.lstat RCT_EXPORT_METHOD(lstat:(NSString *)path callback:(RCTResponseSenderBlock) callback) { NSFileManager* fm = [NSFileManager defaultManager]; BOOL exist = nil; BOOL isDir = nil; path = [RNFetchBlobFS getPathOfAsset:path]; exist = [fm fileExistsAtPath:path isDirectory:&isDir]; if(exist == NO) { callback(@[[NSString stringWithFormat:@"failed to lstat path `%@` because it does not exist or it is not a folder", path]]); return ; } NSError * error = nil; NSArray * files = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:path error:&error]; NSMutableArray * res = [[NSMutableArray alloc] init]; if(isDir == YES) { for(NSString * p in files) { NSString * filePath = [NSString stringWithFormat:@"%@/%@", path, p]; [res addObject:[RNFetchBlobFS stat:filePath error:&error]]; } } else { [res addObject:[RNFetchBlobFS stat:path error:&error]]; } if(error == nil) callback(@[[NSNull null], res == nil ? [NSNull null] :res ]); else callback(@[[error localizedDescription], [NSNull null]]); } #pragma mark - fs.cp RCT_EXPORT_METHOD(cp:(NSString*)src toPath:(NSString *)dest callback:(RCTResponseSenderBlock) callback) { // path = [RNFetchBlobFS getPathOfAsset:path]; [RNFetchBlobFS getPathFromUri:src completionHandler:^(NSString *path, ALAssetRepresentation *asset) { NSError * error = nil; if(path == nil) { [RNFetchBlobFS writeAssetToPath:asset dest:dest]; callback(@[[NSNull null], @YES]); } else { // If the destination exists there will be an error BOOL result = [[NSFileManager defaultManager] copyItemAtURL:[NSURL fileURLWithPath:path] toURL:[NSURL fileURLWithPath:dest] error:&error]; if(error == nil) callback(@[[NSNull null], @YES]); else callback(@[[error localizedDescription], @NO]); } }]; } #pragma mark - fs.mv RCT_EXPORT_METHOD(mv:(NSString *)path toPath:(NSString *)dest callback:(RCTResponseSenderBlock) callback) { NSError * error = nil; BOOL result = [[NSFileManager defaultManager] moveItemAtURL:[NSURL fileURLWithPath:path] toURL:[NSURL fileURLWithPath:dest] error:&error]; if(error == nil) callback(@[[NSNull null], @YES]); else callback(@[[error localizedDescription], @NO]); } #pragma mark - fs.mkdir RCT_EXPORT_METHOD(mkdir:(NSString *)path resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) { [RNFetchBlobFS mkdir:path resolver:resolve rejecter:reject]; } #pragma mark - fs.readFile RCT_EXPORT_METHOD(readFile:(NSString *)path encoding:(NSString *)encoding resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) { [RNFetchBlobFS readFile:path encoding:encoding onComplete:^(NSData * content, NSString * code, NSString * err) { if(err != nil) { reject(code, err, nil); return; } if(encoding == @"ascii") { resolve((NSMutableArray *)content); } else { resolve((NSString *)content); } }]; } #pragma mark - fs.hash RCT_EXPORT_METHOD(hash:(NSString *)path algorithm:(NSString *)algorithm resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) { [RNFetchBlobFS hash:path algorithm:[NSString stringWithString:algorithm] resolver:resolve rejecter:reject]; } #pragma mark - fs.readStream RCT_EXPORT_METHOD(readStream:(NSString *)path withEncoding:(NSString *)encoding bufferSize:(int)bufferSize tick:(int)tick streamId:(NSString *)streamId) { if(bufferSize == nil) { if([[encoding lowercaseString] isEqualToString:@"base64"]) bufferSize = 4095; else bufferSize = 4096; } dispatch_async(fsQueue, ^{ [RNFetchBlobFS readStream:path encoding:encoding bufferSize:bufferSize tick:tick streamId:streamId bridgeRef:_bridge]; }); } #pragma mark - fs.getEnvionmentDirs RCT_EXPORT_METHOD(getEnvironmentDirs:(RCTResponseSenderBlock) callback) { callback(@[ [RNFetchBlobFS getDocumentDir], [RNFetchBlobFS getCacheDir], ]); } #pragma mark - net.cancelRequest RCT_EXPORT_METHOD(cancelRequest:(NSString *)taskId callback:(RCTResponseSenderBlock)callback) { [[RNFetchBlobNetwork sharedInstance] cancelRequest:taskId]; callback(@[[NSNull null], taskId]); } #pragma mark - net.enableProgressReport RCT_EXPORT_METHOD(enableProgressReport:(NSString *)taskId interval:(nonnull NSNumber*)interval count:(nonnull NSNumber*)count) { RNFetchBlobProgress * cfg = [[RNFetchBlobProgress alloc] initWithType:Download interval:interval count:count]; [[RNFetchBlobNetwork sharedInstance] enableProgressReport:taskId config:cfg]; } #pragma mark - net.enableUploadProgressReport RCT_EXPORT_METHOD(enableUploadProgressReport:(NSString *)taskId interval:(nonnull NSNumber*)interval count:(nonnull NSNumber*)count) { RNFetchBlobProgress * cfg = [[RNFetchBlobProgress alloc] initWithType:Upload interval:interval count:count]; [[RNFetchBlobNetwork sharedInstance] enableUploadProgress:taskId config:cfg]; } #pragma mark - fs.slice RCT_EXPORT_METHOD(slice:(NSString *)src dest:(NSString *)dest start:(nonnull NSNumber *)start end:(nonnull NSNumber *)end resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) { [RNFetchBlobFS slice:src dest:dest start:start end:end encode:@"" resolver:resolve rejecter:reject]; } RCT_EXPORT_METHOD(previewDocument:(NSString*)uri scheme:(NSString *)scheme resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) { NSString * utf8uri = [uri stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; NSURL * url = [[NSURL alloc] initWithString:utf8uri]; // NSURL * url = [[NSURL alloc] initWithString:uri]; documentController = [UIDocumentInteractionController interactionControllerWithURL:url]; UIViewController *rootCtrl = [[[[UIApplication sharedApplication] delegate] window] rootViewController]; documentController.delegate = self; if(scheme == nil || [[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:scheme]]) { CGRect rect = CGRectMake(0.0, 0.0, 0.0, 0.0); dispatch_sync(dispatch_get_main_queue(), ^{ [documentController presentOptionsMenuFromRect:rect inView:rootCtrl.view animated:YES]; }); resolve(@[[NSNull null]]); } else { reject(@"EINVAL", @"scheme is not supported", nil); } } # pragma mark - open file with UIDocumentInteractionController and delegate RCT_EXPORT_METHOD(openDocument:(NSString*)uri scheme:(NSString *)scheme resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) { NSString * utf8uri = [uri stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; NSURL * url = [[NSURL alloc] initWithString:utf8uri]; // NSURL * url = [[NSURL alloc] initWithString:uri]; documentController = [UIDocumentInteractionController interactionControllerWithURL:url]; documentController.delegate = self; if(scheme == nil || [[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:scheme]]) { dispatch_sync(dispatch_get_main_queue(), ^{ [documentController presentPreviewAnimated:YES]; }); resolve(@[[NSNull null]]); } else { reject(@"EINVAL", @"scheme is not supported", nil); } } # pragma mark - exclude from backup key RCT_EXPORT_METHOD(excludeFromBackupKey:(NSString *)url resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) { NSError *error = nil; [ [NSURL URLWithString:url] setResourceValue:[NSNumber numberWithBool:YES] forKey:NSURLIsExcludedFromBackupKey error:&error]; if(!error) { resolve(@[[NSNull null]]); } else { reject(@"EUNSPECIFIED", [error description], nil); } } RCT_EXPORT_METHOD(df:(RCTResponseSenderBlock)callback) { [RNFetchBlobFS df:callback]; } - (UIViewController *) documentInteractionControllerViewControllerForPreview: (UIDocumentInteractionController *) controller { UIWindow *window = [UIApplication sharedApplication].keyWindow; return window.rootViewController; } # pragma mark - check expired network events RCT_EXPORT_METHOD(emitExpiredEvent:(RCTResponseSenderBlock)callback) { [RNFetchBlobNetwork emitExpiredTasks]; } @end