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/*******************************************************************************
The MIT License (MIT)
Copyright (c) 2015 Alexander Zolotarev <me@alex.bio> from Minsk, Belarus
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*******************************************************************************/
#if ! __has_feature(objc_arc)
#error This file must be compiled with ARC. Either turn on ARC for the project or use -fobjc-arc flag
#endif
#import <Foundation/Foundation.h>
#include <TargetConditionals.h> // TARGET_OS_IPHONE
#if (TARGET_OS_IPHONE > 0) // Works for all iOS devices, including iPad.
extern NSString * gBrowserUserAgent;
#endif
#include "platform/http_client.hpp"
#import "platform/http_session_manager.h"
#include "base/logging.hpp"
@interface Connection : NSObject
+ (nullable NSData *)sendSynchronousRequest:(NSURLRequest *)request
returningResponse:(NSURLResponse **)response
error:(NSError **)error;
@end
@implementation Connection
+ (NSData *)sendSynchronousRequest:(NSURLRequest *)request
returningResponse:(NSURLResponse * __autoreleasing *)response
error:(NSError * __autoreleasing *)error
{
Connection * connection = [[Connection alloc] init];
return [connection sendSynchronousRequest:request returningResponse:response error:error];
}
- (NSData *)sendSynchronousRequest:(NSURLRequest *)request
returningResponse:(NSURLResponse * __autoreleasing *)response
error:(NSError * __autoreleasing *)error {
__block NSData * resultData = nil;
__block NSURLResponse * resultResponse = nil;
__block NSError * resultError = nil;
dispatch_group_t group = dispatch_group_create();
dispatch_group_enter(group);
[[[HttpSessionManager sharedManager]
dataTaskWithRequest:request
delegate:nil
completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response,
NSError * _Nullable error) {
resultData = data;
resultResponse = response;
resultError = error;
dispatch_group_leave(group);
}] resume];
dispatch_group_wait(group, DISPATCH_TIME_FOREVER);
*response = resultResponse;
*error = resultError;
return resultData;
}
@end
namespace platform
{
bool HttpClient::RunHttpRequest()
{
NSMutableURLRequest * request = [NSMutableURLRequest requestWithURL:
static_cast<NSURL *>([NSURL URLWithString:@(m_urlRequested.c_str())])
cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:m_timeoutSec];
// We handle cookies manually.
request.HTTPShouldHandleCookies = NO;
request.HTTPMethod = @(m_httpMethod.c_str());
NSString * userAgentStr = @"User-Agent";
BOOL hasUserAgentHeader = NO;
for (auto const & header : m_headers)
{
NSString * field = @(header.first.c_str());
if ([field compare:userAgentStr] == NSOrderedSame)
hasUserAgentHeader = YES;
[request setValue:@(header.second.c_str()) forHTTPHeaderField:field];
}
if (!m_cookies.empty())
[request setValue:[NSString stringWithUTF8String:m_cookies.c_str()] forHTTPHeaderField:@"Cookie"];
#if (TARGET_OS_IPHONE > 0)
else if (!hasUserAgentHeader && gBrowserUserAgent)
[request setValue:gBrowserUserAgent forHTTPHeaderField:userAgentStr];
#endif // TARGET_OS_IPHONE
if (!m_bodyData.empty())
{
request.HTTPBody = [NSData dataWithBytes:m_bodyData.data() length:m_bodyData.size()];
LOG(LDEBUG, ("Uploading buffer of size", m_bodyData.size(), "bytes"));
}
else if (!m_inputFile.empty())
{
NSError * err = nil;
NSString * path = [NSString stringWithUTF8String:m_inputFile.c_str()];
const unsigned long long file_size = [[NSFileManager defaultManager] attributesOfItemAtPath:path error:&err].fileSize;
if (err)
{
m_errorCode = static_cast<int>(err.code);
LOG(LDEBUG, ("Error: ", m_errorCode, err.localizedDescription.UTF8String));
return false;
}
request.HTTPBodyStream = [NSInputStream inputStreamWithFileAtPath:path];
[request setValue:[NSString stringWithFormat:@"%llu", file_size] forHTTPHeaderField:@"Content-Length"];
LOG(LDEBUG, ("Uploading file", m_inputFile, file_size, "bytes"));
}
NSHTTPURLResponse * response = nil;
NSError * err = nil;
NSData * url_data = [Connection sendSynchronousRequest:request returningResponse:&response error:&err];
m_headers.clear();
if (response)
{
m_errorCode = static_cast<int>(response.statusCode);
m_urlReceived = response.URL.absoluteString.UTF8String;
if (m_loadHeaders)
{
[response.allHeaderFields enumerateKeysAndObjectsUsingBlock:^(NSString * key, NSString * obj, BOOL * stop)
{
m_headers.emplace(key.lowercaseString.UTF8String, obj.UTF8String);
}];
}
else
{
NSString * cookies = [response.allHeaderFields objectForKey:@"Set-Cookie"];
if (cookies)
m_headers.emplace("Set-Cookie", NormalizeServerCookies(std::move(cookies.UTF8String)));
}
if (url_data)
{
if (m_outputFile.empty())
m_serverResponse.assign(reinterpret_cast<char const *>(url_data.bytes), url_data.length);
else
[url_data writeToFile:@(m_outputFile.c_str()) atomically:YES];
}
return true;
}
// Request has failed if we are here.
// MacOSX/iOS-specific workaround for HTTP 401 error bug.
// @see bit.ly/1TrHlcS for more details.
if (err.code == NSURLErrorUserCancelledAuthentication)
{
m_errorCode = 401;
return true;
}
m_errorCode = static_cast<int>(err.code);
LOG(LDEBUG, ("Error: ", m_errorCode, ':', err.localizedDescription.UTF8String,
"while connecting to", m_urlRequested));
return false;
}
} // namespace platform
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