87 lines
2.2 KiB
Plaintext
87 lines
2.2 KiB
Plaintext
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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <React/RCTDataRequestHandler.h>
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#import <ReactCommon/RCTTurboModule.h>
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#import "RCTNetworkPlugins.h"
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@interface RCTDataRequestHandler () <RCTTurboModule>
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@end
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@implementation RCTDataRequestHandler {
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NSOperationQueue *_queue;
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}
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RCT_EXPORT_MODULE()
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- (void)invalidate
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{
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[_queue cancelAllOperations];
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_queue = nil;
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}
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- (BOOL)canHandleRequest:(NSURLRequest *)request
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{
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return [request.URL.scheme caseInsensitiveCompare:@"data"] == NSOrderedSame;
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}
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- (NSOperation *)sendRequest:(NSURLRequest *)request withDelegate:(id<RCTURLRequestDelegate>)delegate
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{
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// Lazy setup
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if (!_queue) {
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_queue = [NSOperationQueue new];
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_queue.maxConcurrentOperationCount = 2;
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}
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__weak __block NSBlockOperation *weakOp;
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__block NSBlockOperation *op = [NSBlockOperation blockOperationWithBlock:^{
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// Get mime type
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NSRange firstSemicolon = [request.URL.resourceSpecifier rangeOfString:@";"];
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NSString *mimeType =
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firstSemicolon.length ? [request.URL.resourceSpecifier substringToIndex:firstSemicolon.location] : nil;
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// Send response
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NSURLResponse *response = [[NSURLResponse alloc] initWithURL:request.URL
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MIMEType:mimeType
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expectedContentLength:-1
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textEncodingName:nil];
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[delegate URLRequest:weakOp didReceiveResponse:response];
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// Load data
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NSError *error;
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NSData *data = [NSData dataWithContentsOfURL:request.URL options:NSDataReadingMappedIfSafe error:&error];
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if (data) {
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[delegate URLRequest:weakOp didReceiveData:data];
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}
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[delegate URLRequest:weakOp didCompleteWithError:error];
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}];
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weakOp = op;
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[_queue addOperation:op];
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return op;
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}
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- (void)cancelRequest:(NSOperation *)op
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{
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[op cancel];
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}
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- (std::shared_ptr<facebook::react::TurboModule>)getTurboModule:
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(const facebook::react::ObjCTurboModule::InitParams &)params
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{
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return nullptr;
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}
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@end
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Class RCTDataRequestHandlerCls(void)
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{
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return RCTDataRequestHandler.class;
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}
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