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#import <Foundation/Foundation.h>
#include "platform/http_uploader.hpp"
#include "base/assert.hpp"
#include "base/waiter.hpp"
#include <memory>
#include "private.h"
@interface IdentityAndTrust : NSObject
@property(nonatomic) SecIdentityRef identityRef;
@property(nonatomic) NSArray * certArray;
@end
@implementation IdentityAndTrust
- (instancetype)initWithIdentity:(CFTypeRef)identity certChain:(CFTypeRef)certs
{
self = [super init];
if (self)
{
_identityRef = (SecIdentityRef)CFRetain(identity);
_certArray = (__bridge_transfer NSArray *)CFRetain(certs);
}
return self;
}
- (void)dealloc
{
CFRelease(_identityRef);
}
@end
@interface MultipartUploadTask : NSObject<NSURLSessionDelegate>
@property(copy, nonatomic) NSString * method;
@property(copy, nonatomic) NSString * urlString;
@property(copy, nonatomic) NSString * fileKey;
@property(copy, nonatomic) NSString * filePath;
@property(copy, nonatomic) NSDictionary<NSString *, NSString *> * params;
@property(copy, nonatomic) NSDictionary<NSString *, NSString *> * headers;
@end
@implementation MultipartUploadTask
- (NSData *)requestDataWithBoundary:(NSString *)boundary {
NSMutableData * data = [NSMutableData data];
[self.params enumerateKeysAndObjectsUsingBlock:^(NSString * key, NSString * value, BOOL * stop) {
[data appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary]
dataUsingEncoding:NSUTF8StringEncoding]];
[data appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",
key] dataUsingEncoding:NSUTF8StringEncoding]];
[data appendData:[[NSString stringWithFormat:@"%@\r\n", value]
dataUsingEncoding:NSUTF8StringEncoding]];
}];
NSString * fileName = self.filePath.lastPathComponent;
NSData * fileData = [NSData dataWithContentsOfFile:self.filePath];
NSString * mimeType = @"application/octet-stream";
[data appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary]
dataUsingEncoding:NSUTF8StringEncoding]];
[data appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"%@\"\r\n",
self.fileKey,
fileName]
dataUsingEncoding:NSUTF8StringEncoding]];
[data appendData:[[NSString stringWithFormat:@"Content-Type: %@\r\n\r\n", mimeType]
dataUsingEncoding:NSUTF8StringEncoding]];
[data appendData:fileData];
[data appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[data appendData:[[NSString stringWithFormat:@"--%@--", boundary]
dataUsingEncoding:NSUTF8StringEncoding]];
return data;
}
- (void)uploadWithCompletion:(void (^)(NSInteger httpCode, NSString *description))completion {
NSURL * url = [NSURL URLWithString:self.urlString];
NSMutableURLRequest * uploadRequest = [NSMutableURLRequest requestWithURL:url];
uploadRequest.timeoutInterval = 15;
uploadRequest.HTTPMethod = self.method;
NSString * boundary = [NSString stringWithFormat:@"Boundary-%@", [[NSUUID UUID] UUIDString]];
NSString * contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary];
[uploadRequest setValue:contentType forHTTPHeaderField:@"Content-Type"];
[self.headers enumerateKeysAndObjectsUsingBlock:^(NSString * key, NSString * value, BOOL * stop) {
[uploadRequest setValue:value forHTTPHeaderField:key];
}];
NSData * postData = [self requestDataWithBoundary:boundary];
NSURLSession * session =
[NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]
delegate:self
delegateQueue:nil];
NSURLSessionUploadTask * uploadTask = [session
uploadTaskWithRequest:uploadRequest
fromData:postData
completionHandler:^(NSData * data, NSURLResponse * response, NSError * error) {
NSHTTPURLResponse * httpResponse = (NSHTTPURLResponse *)response;
if (error == nil)
{
NSString * description = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
completion(httpResponse.statusCode, description);
}
else
{
completion(-1, error.localizedDescription);
}
}];
[uploadTask resume];
}
- (void)URLSession:(NSURLSession *)session
didReceiveChallenge:(NSURLAuthenticationChallenge *)challenge
completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition disposition,
NSURLCredential * _Nullable credential))completionHandler
{
NSString * authenticationMethod = challenge.protectionSpace.authenticationMethod;
if (authenticationMethod == NSURLAuthenticationMethodClientCertificate)
{
completionHandler(NSURLSessionAuthChallengeUseCredential, [self getClientUrlCredential]);
}
else if (authenticationMethod == NSURLAuthenticationMethodServerTrust)
{
#if DEBUG
NSURLCredential * credential =
[[NSURLCredential alloc] initWithTrust:[challenge protectionSpace].serverTrust];
completionHandler(NSURLSessionAuthChallengeUseCredential, credential);
#else
completionHandler(NSURLSessionAuthChallengePerformDefaultHandling, nil);
#endif
}
}
- (NSURLCredential *)getClientUrlCredential
{
NSData * certData = [[NSData alloc] initWithBase64EncodedString:@USER_BINDING_PKCS12 options:0];
IdentityAndTrust * identity = [self extractIdentityWithCertData:certData
certPassword:@USER_BINDING_PKCS12_PASSWORD];
NSURLCredential * urlCredential =
[[NSURLCredential alloc] initWithIdentity:identity.identityRef
certificates:identity.certArray
persistence:NSURLCredentialPersistenceForSession];
return urlCredential;
}
- (IdentityAndTrust *)extractIdentityWithCertData:(NSData *)certData
certPassword:(NSString *)certPassword
{
IdentityAndTrust * identityAndTrust;
NSDictionary * certOptions = @{(NSString *)kSecImportExportPassphrase : certPassword};
CFArrayRef items = nullptr;
OSStatus status = SecPKCS12Import((CFDataRef)certData, (CFDictionaryRef)certOptions, &items);
if (status == errSecSuccess && CFArrayGetCount(items) > 0)
{
CFDictionaryRef firstItem = (CFDictionaryRef)CFArrayGetValueAtIndex(items, 0);
CFTypeRef identityRef = CFDictionaryGetValue(firstItem, kSecImportItemIdentity);
CFTypeRef certChainRef = CFDictionaryGetValue(firstItem, kSecImportItemCertChain);
identityAndTrust = [[IdentityAndTrust alloc] initWithIdentity:identityRef
certChain:certChainRef];
CFRelease(items);
}
return identityAndTrust;
}
@end
namespace platform
{
HttpUploader::Result HttpUploader::Upload() const
{
std::shared_ptr<Result> resultPtr = std::make_shared<Result>();
std::shared_ptr<base::Waiter> waiterPtr = std::make_shared<base::Waiter>();
auto mapTransform =
^NSDictionary<NSString *, NSString *> * (std::map<std::string, std::string> keyValues)
{
NSMutableDictionary<NSString *, NSString *> * params = [NSMutableDictionary dictionary];
for (auto const & keyValue : keyValues)
params[@(keyValue.first.c_str())] = @(keyValue.second.c_str());
return [params copy];
};
auto uploadTask = [[MultipartUploadTask alloc] init];
uploadTask.method = @(m_payload.m_method.c_str());
uploadTask.urlString = @(m_payload.m_url.c_str());
uploadTask.fileKey = @(m_payload.m_fileKey.c_str());
uploadTask.filePath = @(m_payload.m_filePath.c_str());
uploadTask.params = mapTransform(m_payload.m_params);
uploadTask.headers = mapTransform(m_payload.m_headers);
[uploadTask uploadWithCompletion:[resultPtr, waiterPtr](NSInteger httpCode, NSString * description) {
resultPtr->m_httpCode = static_cast<int32_t>(httpCode);
resultPtr->m_description = description.UTF8String;
waiterPtr->Notify();
}];
waiterPtr->Wait();
return *resultPtr;
}
} // namespace platform
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