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HTTPServer.m
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HTTPServer.m
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#import "HTTPServer.h"
@implementation HTTPServer
- (id)init {
connClass = [HTTPConnection self];
return self;
}
- (void)dealloc {
[super dealloc];
}
- (Class)connectionClass {
return connClass;
}
- (void)setConnectionClass:(Class)value {
connClass = value;
}
// Converts the TCPServer delegate notification into the HTTPServer delegate method.
- (void)handleNewConnectionFromAddress:(NSData *)addr inputStream:(NSInputStream *)istr outputStream:(NSOutputStream *)ostr {
HTTPConnection *connection = [[connClass alloc] initWithPeerAddress:addr inputStream:istr outputStream:ostr forServer:self];
[connection setDelegate:[self delegate]];
if ([self delegate] && [[self delegate] respondsToSelector:@selector(HTTPServer:didMakeNewConnection:)]) {
[[self delegate] HTTPServer:self didMakeNewConnection:connection];
}
// The connection at this point is turned loose to exist on its
// own, and not released or autoreleased. Alternatively, the
// HTTPServer could keep a list of connections, and HTTPConnection
// would have to tell the server to delete one at invalidation
// time. This would perhaps be more correct and ensure no
// spurious leaks get reported by the tools, but HTTPServer
// has nothing further it wants to do with the HTTPConnections,
// and would just be "owning" the connections for form.
}
@end
@implementation HTTPConnection
- (id)init {
[self dealloc];
return nil;
}
- (id)initWithPeerAddress:(NSData *)addr inputStream:(NSInputStream *)istr outputStream:(NSOutputStream *)ostr forServer:(HTTPServer *)serv {
peerAddress = [addr copy];
server = serv;
istream = [istr retain];
ostream = [ostr retain];
[istream setDelegate:self];
[ostream setDelegate:self];
[istream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:(id)kCFRunLoopCommonModes];
[ostream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:(id)kCFRunLoopCommonModes];
[istream open];
[ostream open];
isValid = YES;
return self;
}
- (void)dealloc {
[self invalidate];
[peerAddress release];
[super dealloc];
}
- (id)delegate {
return delegate;
}
- (void)setDelegate:(id)value {
delegate = value;
}
- (NSData *)peerAddress {
return peerAddress;
}
- (HTTPServer *)server {
return server;
}
- (HTTPServerRequest *)nextRequest {
unsigned idx, cnt = requests ? [requests count] : 0;
for (idx = 0; idx < cnt; idx++) {
id obj = [requests objectAtIndex:idx];
if ([obj response] == nil) {
return obj;
}
}
return nil;
}
- (BOOL)isValid {
return isValid;
}
- (void)invalidate {
if (isValid) {
isValid = NO;
[istream close];
[ostream close];
[istream release];
[ostream release];
istream = nil;
ostream = nil;
[ibuffer release];
[obuffer release];
ibuffer = nil;
obuffer = nil;
[requests release];
requests = nil;
[self release];
// This last line removes the implicit retain the HTTPConnection
// has on itself, given by the HTTPServer when it abandoned the
// new connection.
}
}
// YES return means that a complete request was parsed, and the caller
// should call again as the buffered bytes may have another complete
// request available.
- (BOOL)processIncomingBytes {
NSLog(@"processIncomingBytes");
CFHTTPMessageRef working = CFHTTPMessageCreateEmpty(kCFAllocatorDefault, TRUE);
CFHTTPMessageAppendBytes(working, [ibuffer bytes], [ibuffer length]);
// This "try and possibly succeed" approach is potentially expensive
// (lots of bytes being copied around), but the only API available for
// the server to use, short of doing the parsing itself.
// HTTPConnection does not handle the chunked transfer encoding
// described in the HTTP spec. And if there is no Content-Length
// header, then the request is the remainder of the stream bytes.
if (CFHTTPMessageIsHeaderComplete(working)) {
NSString *contentLengthValue = [(NSString *)CFHTTPMessageCopyHeaderFieldValue(working, (CFStringRef)@"Content-Length") autorelease];
unsigned contentLength = contentLengthValue ? [contentLengthValue intValue] : 0;
NSData *body = [(NSData *)CFHTTPMessageCopyBody(working) autorelease];
unsigned bodyLength = [body length];
if (contentLength <= bodyLength) {
NSData *newBody = [NSData dataWithBytes:[body bytes] length:contentLength];
[ibuffer setLength:0];
[ibuffer appendBytes:([body bytes] + contentLength) length:(bodyLength - contentLength)];
CFHTTPMessageSetBody(working, (CFDataRef)newBody);
} else {
CFRelease(working);
return NO;
}
} else {
return NO;
}
HTTPServerRequest *request = [[HTTPServerRequest alloc] initWithRequest:working connection:self];
if (!requests) {
requests = [[NSMutableArray alloc] init];
}
[requests addObject:request];
if (delegate && [delegate respondsToSelector:@selector(HTTPConnection:didReceiveRequest:)]) {
[delegate HTTPConnection:self didReceiveRequest:request];
} else {
[self performDefaultRequestHandling:request];
}
CFRelease(working);
return YES;
}
- (void)processOutgoingBytes {
// The HTTP headers, then the body if any, then the response stream get
// written out, in that order. The Content-Length: header is assumed to
// be properly set in the response. Outgoing responses are processed in
// the order the requests were received (required by HTTP).
// Write as many bytes as possible, from buffered bytes, response
// headers and body, and response stream.
if (![ostream hasSpaceAvailable]) {
return;
}
unsigned olen = [obuffer length];
if (0 < olen) {
int writ = [ostream write:[obuffer bytes] maxLength:olen];
// buffer any unwritten bytes for later writing
if (writ < olen) {
memmove([obuffer mutableBytes], [obuffer mutableBytes] + writ, olen - writ);
[obuffer setLength:olen - writ];
return;
}
[obuffer setLength:0];
}
unsigned cnt = requests ? [requests count] : 0;
HTTPServerRequest *req = (0 < cnt) ? [requests objectAtIndex:0] : nil;
CFHTTPMessageRef cfresp = req ? [req response] : NULL;
if (!cfresp) return;
if (!obuffer) {
obuffer = [[NSMutableData alloc] init];
}
if (!firstResponseDone) {
firstResponseDone = YES;
NSData *serialized = [(NSData *)CFHTTPMessageCopySerializedMessage(cfresp) autorelease];
unsigned olen = [serialized length];
if (0 < olen) {
int writ = [ostream write:[serialized bytes] maxLength:olen];
if (writ < olen) {
// buffer any unwritten bytes for later writing
[obuffer setLength:(olen - writ)];
memmove([obuffer mutableBytes], [serialized bytes] + writ, olen - writ);
return;
}
}
}
NSInputStream *respStream = [req responseBodyStream];
if (respStream) {
if ([respStream streamStatus] == NSStreamStatusNotOpen) {
[respStream open];
}
// read some bytes from the stream into our local buffer
[obuffer setLength:16 * 1024];
int read = [respStream read:[obuffer mutableBytes] maxLength:[obuffer length]];
[obuffer setLength:read];
}
if (0 == [obuffer length]) {
// When we get to this point with an empty buffer, then the
// processing of the response is done. If the input stream
// is closed or at EOF, then no more requests are coming in.
if (delegate && [delegate respondsToSelector:@selector(HTTPConnection:didSendResponse:)]) {
[delegate HTTPConnection:self didSendResponse:req];
}
[requests removeObjectAtIndex:0];
firstResponseDone = NO;
if ([istream streamStatus] == NSStreamStatusAtEnd && [requests count] == 0) {
[self invalidate];
}
return;
}
olen = [obuffer length];
if (0 < olen) {
int writ = [ostream write:[obuffer bytes] maxLength:olen];
// buffer any unwritten bytes for later writing
if (writ < olen) {
memmove([obuffer mutableBytes], [obuffer mutableBytes] + writ, olen - writ);
}
[obuffer setLength:olen - writ];
}
}
- (void)stream:(NSStream *)stream handleEvent:(NSStreamEvent)streamEvent {
switch(streamEvent) {
case NSStreamEventHasBytesAvailable:;
uint8_t buf[16 * 1024];
uint8_t *buffer = NULL;
NSUInteger len = 0;
if (![istream getBuffer:&buffer length:&len]) {
int amount = [istream read:buf maxLength:sizeof(buf)];
buffer = buf;
len = amount;
}
if (0 < len) {
if (!ibuffer) {
ibuffer = [[NSMutableData alloc] init];
}
[ibuffer appendBytes:buffer length:len];
}
do {} while ([self processIncomingBytes]);
break;
case NSStreamEventHasSpaceAvailable:;
[self processOutgoingBytes];
break;
case NSStreamEventEndEncountered:;
[self processIncomingBytes];
if (stream == ostream) {
// When the output stream is closed, no more writing will succeed and
// will abandon the processing of any pending requests and further
// incoming bytes.
[self invalidate];
}
break;
case NSStreamEventErrorOccurred:;
NSLog(@"HTTPServer stream error: %@", [stream streamError]);
break;
default:
break;
}
}
- (void)performDefaultRequestHandling:(HTTPServerRequest *)mess {
CFHTTPMessageRef request = [mess request];
/* NSString *vers = [(id)CFHTTPMessageCopyVersion(request) autorelease];
if (!vers) {
NSLog(@"Geen vers!!");
CFHTTPMessageRef response = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 505, NULL, (CFStringRef)vers); // Version Not Supported
[mess setResponse:response];
CFRelease(response);
return;
} */
NSString *method = [(id)CFHTTPMessageCopyRequestMethod(request) autorelease];
/* if (!method) {
NSLog(@"Geen method!!");
CFHTTPMessageRef response = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 400, NULL, kCFHTTPVersion1_1); // Bad Request
[mess setResponse:response];
CFRelease(response);
return;
} */
NSDate *myDate = [NSDate date];
NSString *date = [myDate descriptionWithCalendarFormat:@"%a %d %b %Y %H:%M:%S GMT" timeZone:nil locale:nil];
NSURL *uri = [(NSURL *)CFHTTPMessageCopyRequestURL(request) autorelease];
NSLog(@"uri : %@",[uri absoluteURL]);
if ([method isEqual:@"GET"]) {
NSURL *uri = [(NSURL *)CFHTTPMessageCopyRequestURL(request) autorelease];
NSLog(@"uri : %@",[uri absoluteURL]);
if ([[uri relativeString] hasPrefix:@"/server-info"])
{
NSData *data = [[NSString stringWithFormat:@"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n\
<plist version=\"1.0\">\n\
<dict>\n\
\t<key>deviceid</key>\n\
\t<string>94:0C:6D:E6:80:56</string>\n\
\t<key>features</key>\n\
\t<integer>119</integer>\n\
\t<key>model</key>\n\
\t<string>AppleTV2,1</string>\n\
\t<key>protovers</key>\n\
\t<string>1.0</string>\n\
\t<key>srcvers</key>\n\
\t<string>101.28</string>\n\
</dict>\n\
</plist>\n"] dataUsingEncoding: NSASCIIStringEncoding];
CFHTTPMessageRef response = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 200, NULL, kCFHTTPVersion1_1); // OK
// Datum meesturen
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Date", (CFStringRef)[NSString stringWithFormat:@"%@",date]);
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Content-Type", (CFStringRef)[NSString stringWithFormat:@"application/x-apple-plist+xml"]);
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Content-Length", (CFStringRef)[NSString stringWithFormat:@"%d", [data length]]);
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"X-Apple-Session-Id", (CFStringRef)[NSString stringWithFormat:@"00000000-0000-0000-0000-000000000000"]);
CFHTTPMessageSetBody(response, (CFDataRef)data);
[mess setResponse:response];
CFRelease(response);
return;
}
if ([[uri relativeString] hasPrefix:@"/slideshow-features"])
{
/*<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>themes</key>
<array>
<dict>
<key>key</key>
<string>Dissolve</string>
<key>name</key>
<string>Dissolve</string>
</dict>
<dict>
<key>key</key>
<string>Cube</string>
<key>name</key>
<string>Cube</string>
</dict>
<dict>
<key>key</key>
<string>Ripple</string>
<key>name</key>
<string>Ripple</string>
</dict>
<dict>
<key>key</key>
<string>WipeAcross</string>
<key>name</key>
<string>Wipe Across</string>
</dict>
<dict>
<key>key</key>
<string>WipeDown</string>
<key>name</key>
<string>Wipe Down</string>
</dict>
</array>
</dict>
</plist>
*/
CFHTTPMessageRef response = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 200, NULL, kCFHTTPVersion1_1); // Method Not Allowed
[mess setResponse:response];
CFRelease(response);
}
else if ([[uri relativeString] hasPrefix:@"/playback-info"])
{
if (delegate && [delegate respondsToSelector:@selector(airplayDidAskPosition)]) {
_playPosition = [delegate airplayDidAskPosition];
}
if (delegate && [delegate respondsToSelector:@selector(airplayDidAskRate)]) {
_playRate = [delegate airplayDidAskRate];
}
NSNumber * duration = [NSNumber numberWithInt:100];
NSString *resp = [NSString stringWithFormat:@"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n \
<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n \
<plist version=\"1.0\">\n \
<dict>\n \
\t<key>duration</key>\n \
\t<real>0.0</real>\n \
\t<key>position</key>\n \
\t<real>0.0</real>\n \
</dict>\n \
</plist>",[duration floatValue],_playPosition];
NSData *data = [resp dataUsingEncoding: NSASCIIStringEncoding];
CFHTTPMessageRef response = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 200, NULL, kCFHTTPVersion1_1); // OK
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Date", (CFStringRef)[NSString stringWithFormat:@"%@",date]);
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Content-Type", (CFStringRef)[NSString stringWithFormat:@"text/x-apple-plist+xml"]);
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Content-Length", (CFStringRef)[NSString stringWithFormat:@"%d", [data length]]);
CFHTTPMessageSetBody(response, (CFDataRef)data);
[mess setResponse:response];
CFRelease(response);
return;
}
}
else if ([method isEqual:@"POST"])
{
NSURL *uri = [(NSURL *)CFHTTPMessageCopyRequestURL(request) autorelease];
NSLog(@"(POST) URI : %@",uri);
if ([[uri relativeString] hasPrefix:@"/reverse"])
{
CFHTTPMessageRef response = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 101, NULL, kCFHTTPVersion1_1); // Switching Protocols
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Date", (CFStringRef)[NSString stringWithFormat:@"%@",date]);
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Upgrade", (CFStringRef)[NSString stringWithFormat:@"PTTH/1.0"]);
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Connection", (CFStringRef)[NSString stringWithFormat:@"Upgrade"]);
// CFHTTPMessageSetBody(response, (CFDataRef)data);
[mess setResponse:response];
CFRelease(response);
return;
}
else if ([[uri relativeString] hasPrefix:@"/play"])
{
_playPosition = 0;
NSData *Body = [(NSData *)CFHTTPMessageCopyBody(request) autorelease];
NSString *bodyString = [[NSString alloc] initWithData:Body encoding:NSASCIIStringEncoding];
NSLog(@"(POST-Play) Body : %@",bodyString);
if ([bodyString hasPrefix:@"Content-Location: "])
{
NSString *url1 = [bodyString substringFromIndex:18];
NSArray *components=[url1 componentsSeparatedByString:@"\nStart-Position: "];
NSLog(@"URL : %@",[components objectAtIndex:0]);
NSLog(@"Start : %@",[components objectAtIndex:1]);
NSNumberFormatter * f = [[NSNumberFormatter alloc] init];
[f setNumberStyle:NSNumberFormatterDecimalStyle];
NSNumber * startposition = [f numberFromString:[components objectAtIndex:1]];
[f release];
if (delegate && [delegate respondsToSelector:@selector(videoSent:startPosition:)]) {
[delegate videoSent:[[components objectAtIndex:0] stringByTrimmingCharactersInSet:[NSCharacterSet newlineCharacterSet]] startPosition:[startposition floatValue]];
}
if (delegate && [delegate respondsToSelector:@selector(videoDidPauseOrPlay:)]) {
[delegate videoDidPauseOrPlay:FALSE];
}
}
else {
NSString *error;
NSPropertyListFormat format;
NSDictionary* plist = [NSPropertyListSerialization propertyListFromData:Body mutabilityOption:NSPropertyListImmutable format:&format errorDescription:&error];
if(!plist){
NSLog(@"Error: %@",error);
[error release];
}
else {
if (delegate && [delegate respondsToSelector:@selector(videoSent:startPosition:)]) {
[delegate videoSent:[[plist objectForKey:@"Content-Location"] stringByTrimmingCharactersInSet:[NSCharacterSet newlineCharacterSet]] startPosition:[[plist objectForKey:@"Start-Position"] floatValue]];
}
}
}
CFHTTPMessageRef response = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 101, NULL, kCFHTTPVersion1_1); // Switching Protocols
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Content-Type", (CFStringRef)[NSString stringWithFormat:@"text/x-apple-plist+xml"]);
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Date", (CFStringRef)date);
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Upgrade", (CFStringRef)[NSString stringWithFormat:@"PTTH/1.0"]);
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Connection", (CFStringRef)[NSString stringWithFormat:@"Upgrade"]);
// CFHTTPMessageSetBody(response, (CFDataRef)data);
[mess setResponse:response];
CFRelease(response);
return;
}
else if ([[uri relativeString] hasPrefix:@"/stop"])
{
if (delegate && [delegate respondsToSelector:@selector(videoClosed)]) {
[delegate videoClosed];
}
CFHTTPMessageRef response = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 200, NULL, kCFHTTPVersion1_1); // OK
[mess setResponse:response];
CFRelease(response);
return;
}
else if ([[uri relativeString] hasPrefix:@"/rate?value="])
{
if ([[uri relativeString] hasPrefix:@"/rate?value=1"])
{
if (delegate && [delegate respondsToSelector:@selector(videoDidPauseOrPlay:)]) {
[delegate videoDidPauseOrPlay:FALSE];
}
}
else {
if (delegate && [delegate respondsToSelector:@selector(videoDidPauseOrPlay:)]) {
[delegate videoDidPauseOrPlay:TRUE];
}
}
CFHTTPMessageRef response = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 101, NULL, kCFHTTPVersion1_1); // Switching Protocols
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Content-Type", (CFStringRef)[NSString stringWithFormat:@"text/x-apple-plist+xml"]);
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Date", (CFStringRef)date);
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Upgrade", (CFStringRef)[NSString stringWithFormat:@"PTTH/1.0"]);
CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Connection", (CFStringRef)[NSString stringWithFormat:@"Upgrade"]);
// CFHTTPMessageSetBody(response, (CFDataRef)data);
[mess setResponse:response];
CFRelease(response);
return;
}
else if ([[uri relativeString] hasPrefix:@"/scrub?position="])
{
NSString *seconds = [[uri absoluteString] substringFromIndex:16];
NSNumberFormatter * f = [[NSNumberFormatter alloc] init];
[f setNumberStyle:NSNumberFormatterDecimalStyle];
NSNumber * position = [f numberFromString:seconds];
[f release];
_playPosition = [position intValue]/1000000;
if (delegate && [delegate respondsToSelector:@selector(videoDidScrubTo:)]) {
[delegate videoDidScrubTo:[position floatValue]];
}
CFHTTPMessageRef response = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 200, NULL, kCFHTTPVersion1_1); // OK
[mess setResponse:response];
CFRelease(response);
return;
}
} // Einde POST
else if ([method isEqual:@"PUT"])
{
NSURL *uri = [(NSURL *)CFHTTPMessageCopyRequestURL(request) autorelease];
NSLog(@"(PUT) URI : %@",uri);
if ([[uri relativeString] hasPrefix:@"/photo"])
{
NSData *Body = [(NSData *)CFHTTPMessageCopyBody(request) autorelease];
if (delegate && [delegate respondsToSelector:@selector(photoSent:)]) {
[delegate photoSent:Body];
}
}
else if ([[uri relativeString] hasPrefix:@"/slideshows"])
{
NSData *Body = [(NSData *)CFHTTPMessageCopyBody(request) autorelease];
NSString *bodyString = [[NSString alloc] initWithData:Body encoding:NSASCIIStringEncoding];
NSString *Response = [(NSString *)CFHTTPMessageCopyAllHeaderFields(request) autorelease];
NSLog(@"Headers : %@",Response);
NSLog(@"Content : %@",bodyString);
NSLog(@"Slideshows not yet supported, doing nothing...");
}
}
NSLog(@"Always send 200 OK response, even if we did nothing :)");
CFHTTPMessageRef response = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 200, NULL, kCFHTTPVersion1_1); // OK
[mess setResponse:response];
CFRelease(response);
}
@end
@implementation HTTPServerRequest
- (id)init {
[self dealloc];
return nil;
}
- (id)initWithRequest:(CFHTTPMessageRef)req connection:(HTTPConnection *)conn {
connection = conn;
request = (CFHTTPMessageRef)CFRetain(req);
return self;
}
- (void)dealloc {
if (request) CFRelease(request);
if (response) CFRelease(response);
[responseStream release];
[super dealloc];
}
- (HTTPConnection *)connection {
return connection;
}
- (CFHTTPMessageRef)request {
return request;
}
- (CFHTTPMessageRef)response {
return response;
}
- (void)setResponse:(CFHTTPMessageRef)value {
if (value != response) {
if (response) CFRelease(response);
response = (CFHTTPMessageRef)CFRetain(value);
if (response) {
// check to see if the response can now be sent out
[connection processOutgoingBytes];
}
}
}
- (NSInputStream *)responseBodyStream {
return responseStream;
}
- (void)setResponseBodyStream:(NSInputStream *)value {
if (value != responseStream) {
[responseStream release];
responseStream = [value retain];
}
}
@end