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#import "OFHTTPResponse.h"
#import "OFKernelEventObserver.h"
#import "OFNumber.h"
#import "OFRunLoop.h"
#import "OFString.h"
#import "OFTCPSocket.h"
#import "OFTLSStream.h"
#import "OFURL.h"
#import "OFAlreadyConnectedException.h"
#import "OFHTTPRequestFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFInvalidEncodingException.h"
#import "OFInvalidFormatException.h"
#import "OFInvalidServerResponseException.h"
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#import "OFHTTPResponse.h"
#import "OFKernelEventObserver.h"
#import "OFNumber.h"
#import "OFRunLoop.h"
#import "OFString.h"
#import "OFTCPSocket.h"
#import "OFTLSStream.h"
#import "OFURI.h"
#import "OFAlreadyConnectedException.h"
#import "OFHTTPRequestFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFInvalidEncodingException.h"
#import "OFInvalidFormatException.h"
#import "OFInvalidServerResponseException.h"
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@end
static OFString *
constructRequestString(OFHTTPRequest *request)
{
void *pool = objc_autoreleasePoolPush();
OFHTTPRequestMethod method = request.method;
OFURL *URL = request.URL;
OFString *path;
OFString *user = URL.user, *password = URL.password;
OFMutableString *requestString;
OFMutableDictionary OF_GENERIC(OFString *, OFString *) *headers;
bool hasContentLength, chunked;
OFEnumerator OF_GENERIC(OFString *) *keyEnumerator, *objectEnumerator;
OFString *key, *object;
if (URL.path != nil)
path = URL.URLEncodedPath;
else
path = @"/";
requestString = [OFMutableString stringWithFormat:
@"%s %@", OFHTTPRequestMethodName(method), path];
if (URL.query != nil) {
[requestString appendString: @"?"];
[requestString appendString: URL.URLEncodedQuery];
}
[requestString appendString: @" HTTP/"];
[requestString appendString: request.protocolVersionString];
[requestString appendString: @"\r\n"];
headers = [[request.headers mutableCopy] autorelease];
if (headers == nil)
headers = [OFMutableDictionary dictionary];
if ([headers objectForKey: @"Host"] == nil) {
OFNumber *port = URL.port;
if (port != nil) {
OFString *host = [OFString stringWithFormat:
@"%@:%@", URL.URLEncodedHost, port];
[headers setObject: host forKey: @"Host"];
} else
[headers setObject: URL.URLEncodedHost forKey: @"Host"];
}
if ((user.length > 0 || password.length > 0) &&
[headers objectForKey: @"Authorization"] == nil) {
OFMutableData *authorizationData = [OFMutableData data];
OFString *authorization;
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@end
static OFString *
constructRequestString(OFHTTPRequest *request)
{
void *pool = objc_autoreleasePoolPush();
OFHTTPRequestMethod method = request.method;
OFURI *URI = request.URI;
OFString *path;
OFString *user = URI.user, *password = URI.password;
OFMutableString *requestString;
OFMutableDictionary OF_GENERIC(OFString *, OFString *) *headers;
bool hasContentLength, chunked;
OFEnumerator OF_GENERIC(OFString *) *keyEnumerator, *objectEnumerator;
OFString *key, *object;
if (URI.path != nil)
path = URI.percentEncodedPath;
else
path = @"/";
requestString = [OFMutableString stringWithFormat:
@"%s %@", OFHTTPRequestMethodName(method), path];
if (URI.query != nil) {
[requestString appendString: @"?"];
[requestString appendString: URI.percentEncodedQuery];
}
[requestString appendString: @" HTTP/"];
[requestString appendString: request.protocolVersionString];
[requestString appendString: @"\r\n"];
headers = [[request.headers mutableCopy] autorelease];
if (headers == nil)
headers = [OFMutableDictionary dictionary];
if ([headers objectForKey: @"Host"] == nil) {
OFNumber *port = URI.port;
if (port != nil) {
OFString *host = [OFString stringWithFormat:
@"%@:%@", URI.percentEncodedHost, port];
[headers setObject: host forKey: @"Host"];
} else
[headers setObject: URI.percentEncodedHost
forKey: @"Host"];
}
if ((user.length > 0 || password.length > 0) &&
[headers objectForKey: @"Authorization"] == nil) {
OFMutableData *authorizationData = [OFMutableData data];
OFString *authorization;
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didPerformRequest: _request
response: nil
exception: exception];
}
- (void)createResponseWithStreamOrThrow: (OFStream *)stream
{
OFURL *URL = _request.URL;
OFHTTPClientResponse *response;
OFString *connectionHeader;
bool keepAlive;
OFString *location;
id exception;
response = [[[OFHTTPClientResponse alloc] initWithStream: stream]
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didPerformRequest: _request
response: nil
exception: exception];
}
- (void)createResponseWithStreamOrThrow: (OFStream *)stream
{
OFURI *URI = _request.URI;
OFHTTPClientResponse *response;
OFString *connectionHeader;
bool keepAlive;
OFString *location;
id exception;
response = [[[OFHTTPClientResponse alloc] initWithStream: stream]
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keepAlive = false;
}
if (keepAlive) {
response.of_keepAlive = true;
_client->_stream = [stream retain];
_client->_lastURL = [URL copy];
_client->_lastWasHEAD =
(_request.method == OFHTTPRequestMethodHead);
_client->_lastResponse = [response retain];
}
if (_redirects > 0 && (_status == 301 || _status == 302 ||
_status == 303 || _status == 307) &&
(location = [_serverHeaders objectForKey: @"Location"]) != nil) {
bool follow = true;
OFURL *newURL;
OFString *newURLScheme;
newURL = [OFURL URLWithString: location
relativeToURL: URL];
newURLScheme = newURL.scheme;
if ([newURLScheme caseInsensitiveCompare: @"http"] !=
OFOrderedSame &&
[newURLScheme caseInsensitiveCompare: @"https"] !=
OFOrderedSame)
follow = false;
if (!_client->_allowsInsecureRedirects &&
[URL.scheme caseInsensitiveCompare: @"https"] ==
OFOrderedSame &&
[newURLScheme caseInsensitiveCompare: @"http"] ==
OFOrderedSame)
follow = false;
if (follow && [_client->_delegate respondsToSelector: @selector(
client:shouldFollowRedirect:statusCode:request:response:)])
follow = [_client->_delegate client: _client
shouldFollowRedirect: newURL
statusCode: _status
request: _request
response: response];
else if (follow)
follow = defaultShouldFollow(_request.method, _status);
if (follow) {
OFDictionary OF_GENERIC(OFString *, OFString *)
*headers = _request.headers;
OFHTTPRequest *newRequest =
[[_request copy] autorelease];
OFMutableDictionary *newHeaders =
[[headers mutableCopy] autorelease];
if (![newURL.host isEqual: URL.host])
[newHeaders removeObjectForKey: @"Host"];
/*
* 303 means the request should be converted to a GET
* request before redirection. This also means stripping
* the entity of the request.
*/
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keepAlive = false;
}
if (keepAlive) {
response.of_keepAlive = true;
_client->_stream = [stream retain];
_client->_lastURI = [URI copy];
_client->_lastWasHEAD =
(_request.method == OFHTTPRequestMethodHead);
_client->_lastResponse = [response retain];
}
if (_redirects > 0 && (_status == 301 || _status == 302 ||
_status == 303 || _status == 307) &&
(location = [_serverHeaders objectForKey: @"Location"]) != nil) {
bool follow = true;
OFURI *newURI;
OFString *newURIScheme;
newURI = [OFURI URIWithString: location relativeToURI: URI];
newURIScheme = newURI.scheme;
if ([newURIScheme caseInsensitiveCompare: @"http"] !=
OFOrderedSame &&
[newURIScheme caseInsensitiveCompare: @"https"] !=
OFOrderedSame)
follow = false;
if (!_client->_allowsInsecureRedirects &&
[URI.scheme caseInsensitiveCompare: @"https"] ==
OFOrderedSame &&
[newURIScheme caseInsensitiveCompare: @"http"] ==
OFOrderedSame)
follow = false;
if (follow && [_client->_delegate respondsToSelector: @selector(
client:shouldFollowRedirect:statusCode:request:response:)])
follow = [_client->_delegate client: _client
shouldFollowRedirect: newURI
statusCode: _status
request: _request
response: response];
else if (follow)
follow = defaultShouldFollow(_request.method, _status);
if (follow) {
OFDictionary OF_GENERIC(OFString *, OFString *)
*headers = _request.headers;
OFHTTPRequest *newRequest =
[[_request copy] autorelease];
OFMutableDictionary *newHeaders =
[[headers mutableCopy] autorelease];
if (![newURI.host isEqual: URI.host])
[newHeaders removeObjectForKey: @"Host"];
/*
* 303 means the request should be converted to a GET
* request before redirection. This also means stripping
* the entity of the request.
*/
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[key hasPrefix: @"Transfer-"])
[newHeaders
removeObjectForKey: key];
newRequest.method = OFHTTPRequestMethodGet;
}
newRequest.URL = newURL;
newRequest.headers = newHeaders;
_client->_inProgress = false;
[_client asyncPerformRequest: newRequest
redirects: _redirects - 1];
return;
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[key hasPrefix: @"Transfer-"])
[newHeaders
removeObjectForKey: key];
newRequest.method = OFHTTPRequestMethodGet;
}
newRequest.URI = newURI;
newRequest.headers = newHeaders;
_client->_inProgress = false;
[_client asyncPerformRequest: newRequest
redirects: _redirects - 1];
return;
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if ([_client->_delegate respondsToSelector:
@selector(client:didCreateTCPSocket:request:)])
[_client->_delegate client: _client
didCreateTCPSocket: sock
request: _request];
if ([_request.URL.scheme caseInsensitiveCompare: @"https"] ==
OFOrderedSame) {
OFTLSStream *stream;
@try {
stream = [OFTLSStream streamWithStream: sock];
} @catch (OFNotImplementedException *e) {
[self raiseException:
[OFUnsupportedProtocolException
exceptionWithURL: _request.URL]];
return;
}
if ([_client->_delegate respondsToSelector:
@selector(client:didCreateTLSStream:request:)])
[_client->_delegate client: _client
didCreateTLSStream: stream
request: _request];
stream.delegate = self;
[stream asyncPerformClientHandshakeWithHost: _request.URL.host];
} else {
sock.delegate = self;
[self performSelector: @selector(handleStream:)
withObject: sock
afterDelay: 0];
}
}
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if ([_client->_delegate respondsToSelector:
@selector(client:didCreateTCPSocket:request:)])
[_client->_delegate client: _client
didCreateTCPSocket: sock
request: _request];
if ([_request.URI.scheme caseInsensitiveCompare: @"https"] ==
OFOrderedSame) {
OFTLSStream *stream;
@try {
stream = [OFTLSStream streamWithStream: sock];
} @catch (OFNotImplementedException *e) {
[self raiseException:
[OFUnsupportedProtocolException
exceptionWithURI: _request.URI]];
return;
}
if ([_client->_delegate respondsToSelector:
@selector(client:didCreateTLSStream:request:)])
[_client->_delegate client: _client
didCreateTLSStream: stream
request: _request];
stream.delegate = self;
[stream asyncPerformClientHandshakeWithHost: _request.URI.host];
} else {
sock.delegate = self;
[self performSelector: @selector(handleStream:)
withObject: sock
afterDelay: 0];
}
}
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[self performSelector: @selector(handleStream:)
withObject: stream
afterDelay: 0];
}
- (void)start
{
OFURL *URL = _request.URL;
OFStream *stream;
/* Can we reuse the last socket? */
if (_client->_stream != nil && !_client->_stream.atEndOfStream &&
[_client->_lastURL.scheme isEqual: URL.scheme] &&
[_client->_lastURL.host isEqual: URL.host] &&
(_client->_lastURL.port == URL.port ||
[_client->_lastURL.port isEqual: URL.port]) &&
(_client->_lastWasHEAD || _client->_lastResponse.atEndOfStream)) {
/*
* Set _stream to nil, so that in case of an error it won't be
* reused. If everything is successful, we set _stream again
* at the end.
*/
stream = [_client->_stream autorelease];
_client->_stream = nil;
[_client->_lastURL release];
_client->_lastURL = nil;
[_client->_lastResponse release];
_client->_lastResponse = nil;
stream.delegate = self;
[self performSelector: @selector(handleStream:)
withObject: stream
afterDelay: 0];
} else
[self closeAndReconnect];
}
- (void)closeAndReconnect
{
@try {
OFURL *URL = _request.URL;
OFTCPSocket *sock;
uint16_t port;
OFNumber *URLPort;
[_client close];
sock = [OFTCPSocket socket];
if ([URL.scheme caseInsensitiveCompare: @"https"] ==
OFOrderedSame)
port = 443;
else
port = 80;
URLPort = URL.port;
if (URLPort != nil)
port = URLPort.unsignedShortValue;
sock.delegate = self;
[sock asyncConnectToHost: URL.host port: port];
} @catch (id e) {
[self raiseException: e];
}
}
@end
@implementation OFHTTPClientRequestBodyStream
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[self performSelector: @selector(handleStream:)
withObject: stream
afterDelay: 0];
}
- (void)start
{
OFURI *URI = _request.URI;
OFStream *stream;
/* Can we reuse the last socket? */
if (_client->_stream != nil && !_client->_stream.atEndOfStream &&
[_client->_lastURI.scheme isEqual: URI.scheme] &&
[_client->_lastURI.host isEqual: URI.host] &&
(_client->_lastURI.port == URI.port ||
[_client->_lastURI.port isEqual: URI.port]) &&
(_client->_lastWasHEAD || _client->_lastResponse.atEndOfStream)) {
/*
* Set _stream to nil, so that in case of an error it won't be
* reused. If everything is successful, we set _stream again
* at the end.
*/
stream = [_client->_stream autorelease];
_client->_stream = nil;
[_client->_lastURI release];
_client->_lastURI = nil;
[_client->_lastResponse release];
_client->_lastResponse = nil;
stream.delegate = self;
[self performSelector: @selector(handleStream:)
withObject: stream
afterDelay: 0];
} else
[self closeAndReconnect];
}
- (void)closeAndReconnect
{
@try {
OFURI *URI = _request.URI;
OFTCPSocket *sock;
uint16_t port;
OFNumber *URIPort;
[_client close];
sock = [OFTCPSocket socket];
if ([URI.scheme caseInsensitiveCompare: @"https"] ==
OFOrderedSame)
port = 443;
else
port = 80;
URIPort = URI.port;
if (URIPort != nil)
port = URIPort.unsignedShortValue;
sock.delegate = self;
[sock asyncConnectToHost: URI.host port: port];
} @catch (id e) {
[self raiseException: e];
}
}
@end
@implementation OFHTTPClientRequestBodyStream
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[_delegate client: client
didReceiveHeaders: headers
statusCode: statusCode
request: request];
}
- (bool)client: (OFHTTPClient *)client
shouldFollowRedirect: (OFURL *)URL
statusCode: (short)statusCode
request: (OFHTTPRequest *)request
response: (OFHTTPResponse *)response
{
if ([_delegate respondsToSelector: @selector(client:
shouldFollowRedirect:statusCode:request:response:)])
return [_delegate client: client
shouldFollowRedirect: URL
statusCode: statusCode
request: request
response: response];
else
return defaultShouldFollow(request.method, statusCode);
}
@end
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[_delegate client: client
didReceiveHeaders: headers
statusCode: statusCode
request: request];
}
- (bool)client: (OFHTTPClient *)client
shouldFollowRedirect: (OFURI *)URI
statusCode: (short)statusCode
request: (OFHTTPRequest *)request
response: (OFHTTPResponse *)response
{
if ([_delegate respondsToSelector: @selector(client:
shouldFollowRedirect:statusCode:request:response:)])
return [_delegate client: client
shouldFollowRedirect: URI
statusCode: statusCode
request: request
response: response];
else
return defaultShouldFollow(request.method, statusCode);
}
@end
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[self asyncPerformRequest: request redirects: defaultRedirects];
}
- (void)asyncPerformRequest: (OFHTTPRequest *)request
redirects: (unsigned int)redirects
{
void *pool = objc_autoreleasePoolPush();
OFURL *URL = request.URL;
OFString *scheme = URL.scheme;
if ([scheme caseInsensitiveCompare: @"http"] != OFOrderedSame &&
[scheme caseInsensitiveCompare: @"https"] != OFOrderedSame)
@throw [OFUnsupportedProtocolException exceptionWithURL: URL];
if (_inProgress)
@throw [OFAlreadyConnectedException exception];
_inProgress = true;
[[[[OFHTTPClientRequestHandler alloc]
initWithClient: self
request: request
redirects: redirects] autorelease] start];
objc_autoreleasePoolPop(pool);
}
- (void)close
{
[_stream release];
_stream = nil;
[_lastURL release];
_lastURL = nil;
[_lastResponse release];
_lastResponse = nil;
}
@end
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[self asyncPerformRequest: request redirects: defaultRedirects];
}
- (void)asyncPerformRequest: (OFHTTPRequest *)request
redirects: (unsigned int)redirects
{
void *pool = objc_autoreleasePoolPush();
OFURI *URI = request.URI;
OFString *scheme = URI.scheme;
if ([scheme caseInsensitiveCompare: @"http"] != OFOrderedSame &&
[scheme caseInsensitiveCompare: @"https"] != OFOrderedSame)
@throw [OFUnsupportedProtocolException exceptionWithURI: URI];
if (_inProgress)
@throw [OFAlreadyConnectedException exception];
_inProgress = true;
[[[[OFHTTPClientRequestHandler alloc]
initWithClient: self
request: request
redirects: redirects] autorelease] start];
objc_autoreleasePoolPop(pool);
}
- (void)close
{
[_stream release];
_stream = nil;
[_lastURI release];
_lastURI = nil;
[_lastResponse release];
_lastResponse = nil;
}
@end
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