static void FetchIPAddress()
{
if(publicIPState == IPStateFetching)
return;
publicIPState = IPStateFetching;
const UInt8 bodyBytes[] = {0};
CFDataRef body = CFDataCreate(kCFAllocatorDefault, bodyBytes, 0);
CFURLRef url = CFURLCreateWithString(kCFAllocatorDefault, CFSTR("http://icanhazip.com"), NULL);
CFHTTPMessageRef request = CFHTTPMessageCreateRequest(kCFAllocatorDefault, CFSTR("GET"), url, kCFHTTPVersion1_1);
CFHTTPMessageSetBody(request, body);
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
// Apple suggests the NSURLSession API instead of CFReadStreamCreateForHTTPRequest,
// But obviously that doesn't really work here
CFReadStreamRef stream = CFReadStreamCreateForHTTPRequest(kCFAllocatorDefault, request);
#pragma clang diagnostic pop
CFRelease(body);
CFRelease(url);
CFRelease(request);
CFMutableDataRef responseData = CFDataCreateMutable(kCFAllocatorDefault, 17);
CFStreamClientContext context = { 0, responseData, NULL, NULL, NULL };
if(!CFReadStreamSetClient(stream, kCFStreamEventOpenCompleted | kCFStreamEventHasBytesAvailable | kCFStreamEventEndEncountered | kCFStreamEventErrorOccurred, &IPStreamCallback, &context))
{
CFRelease(stream);
publicIPState = IPStateInvalid;
return;
}
// Add to the run loop and open the stream
CFReadStreamScheduleWithRunLoop(stream, CFRunLoopGetCurrent(), kCFRunLoopCommonModes);
if(!CFReadStreamOpen(stream))
{
CFReadStreamSetClient(stream, 0, NULL, NULL);
CFReadStreamUnscheduleFromRunLoop(stream, CFRunLoopGetCurrent(), kCFRunLoopCommonModes);
CFRelease(stream);
publicIPState = IPStateInvalid;
return;
}
// Run the run loop
do {
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 1.0, TRUE);
} while(publicIPState == IPStateFetching);
}
CFReadStreamRef HTTP_Stream::createReadStream(CFURLRef url)
{
CFReadStreamRef readStream = 0;
CFHTTPMessageRef request = 0;
CFDictionaryRef proxySettings = 0;
Stream_Configuration *config = Stream_Configuration::configuration();
if (!(request = CFHTTPMessageCreateRequest(kCFAllocatorDefault, httpRequestMethod, url, kCFHTTPVersion1_1))) {
goto out;
}
if (config->userAgent) {
CFHTTPMessageSetHeaderFieldValue(request, httpUserAgentHeader, config->userAgent);
}
CFHTTPMessageSetHeaderFieldValue(request, icyMetaDataHeader, icyMetaDataValue);
if (m_position.start > 0 && m_position.end > m_position.start) {
CFStringRef rangeHeaderValue = CFStringCreateWithFormat(NULL,
NULL,
CFSTR("bytes=%llu-%llu"),
m_position.start,
m_position.end);
CFHTTPMessageSetHeaderFieldValue(request, httpRangeHeader, rangeHeaderValue);
CFRelease(rangeHeaderValue);
}
if (!(readStream = CFReadStreamCreateForHTTPRequest(kCFAllocatorDefault, request))) {
goto out;
}
CFReadStreamSetProperty(readStream,
kCFStreamPropertyHTTPShouldAutoredirect,
kCFBooleanTrue);
proxySettings = CFNetworkCopySystemProxySettings();
if (proxySettings) {
CFReadStreamSetProperty(readStream, kCFStreamPropertyHTTPProxy, proxySettings);
CFRelease(proxySettings);
}
out:
if (request) {
CFRelease(request);
}
return readStream;
}
/* Return true, iff we didn't schedule any work, return false if we did. */
bool asynchttp_request(CFHTTPMessageRef request, asynchttp_t *http) {
secdebug("http", "request %@", request);
if (request) {
http->request = request;
CFRetain(request);
}
/* Create the stream for the request. */
require_quiet(http->stream = CFReadStreamCreateForHTTPRequest(
kCFAllocatorDefault, http->request), errOut);
/* Set a reasonable timeout */
require_quiet(http->timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, http->queue), errOut);
dispatch_source_set_event_handler(http->timer, ^{
asynchttp_timer_proc(http);
});
void HTTPLoader::load(CFURLRef url)
{
CFHTTPMessageRef request = CFHTTPMessageCreateRequest(NULL, CFSTR("GET"), url, kCFHTTPVersion1_1);
mStream = CFReadStreamCreateForHTTPRequest(NULL, request);
CFRelease(request);
if (!CFReadStreamOpen(mStream)) {
CFRelease(mStream);
mStream = 0;
} else {
CFStreamClientContext context = {0, this, NULL, NULL, NULL};
CFReadStreamSetClient(mStream,
kCFStreamEventHasBytesAvailable |
kCFStreamEventErrorOccurred |
kCFStreamEventEndEncountered,
readStreamCallback,
&context);
CFReadStreamScheduleWithRunLoop(mStream,
CFRunLoopGetCurrent(),
kCFRunLoopCommonModes);
}
}
static void send_request(
SG_context* pCtx,
CFHTTPMessageRef myRequest,
CFReadStreamRef* pp
)
{
CFReadStreamRef myReadStream = NULL;
myReadStream = CFReadStreamCreateForHTTPRequest(kCFAllocatorDefault, myRequest);
if (!CFReadStreamOpen(myReadStream))
{
CFStreamError myErr = CFReadStreamGetError(myReadStream);
if (myErr.domain == kCFStreamErrorDomainPOSIX)
{
// Interpret myErr.error as a UNIX errno.
SG_ERR_THROW( SG_ERR_ERRNO(myErr.error) );
}
else if (myErr.domain == kCFStreamErrorDomainMacOSStatus)
{
// Interpret myErr.error as a MacOS error code.
// TODO SG_ERR_THROW( SG_ERR_MAC((OSStatus) myErr.error) );
SG_ERR_THROW( SG_ERR_UNSPECIFIED );
}
}
*pp = myReadStream;
myReadStream = NULL;
fail:
if (myReadStream)
{
CFReadStreamClose(myReadStream);
CFRelease(myReadStream);
myReadStream = NULL;
}
}
nuiHTTPResponse* nuiHTTPRequest::SendRequest()
{
char* pUrl = mUrl.Export();
CFStringRef originalURLString = CFStringCreateWithCString(kCFAllocatorDefault, pUrl, kCFStringEncodingUTF8);
CFStringRef preprocessedString =
CFURLCreateStringByReplacingPercentEscapesUsingEncoding(kCFAllocatorDefault, originalURLString, CFSTR(""), kCFStringEncodingUTF8);
CFStringRef urlString =
CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, preprocessedString, NULL, NULL, kCFStringEncodingUTF8);
free(pUrl);
CFURLRef url = CFURLCreateWithString(kCFAllocatorDefault, urlString, NULL);
CFRelease(urlString);
char* pMeth = mMethod.Export();
CFStringRef method = CFStringCreateWithCString(kCFAllocatorDefault, pMeth, kCFStringEncodingUTF8);
free(pMeth);
CFHTTPMessageRef req = CFHTTPMessageCreateRequest(kCFAllocatorDefault, method, url, kCFHTTPVersion1_1);
CFStringRef userAgentField = CFSTR("User-Agent");
CFStringRef userAgentName = CFSTR("nuiHTTP/2.0");
CFHTTPMessageSetHeaderFieldValue(req, userAgentField, userAgentName);
CFRelease(userAgentField);
CFRelease(userAgentName);
nuiHTTPHeaderMap::const_iterator end = mHeaders.end();
for (nuiHTTPHeaderMap::const_iterator it = mHeaders.begin(); it != end; ++it)
{
char* pName = it->first.Export();
char* pVal = it->second.Export();
CFStringRef fieldName = CFStringCreateWithCString(kCFAllocatorDefault, pName, kCFStringEncodingUTF8);
CFStringRef fieldValue = CFStringCreateWithCString(kCFAllocatorDefault, pVal, kCFStringEncodingUTF8);
CFHTTPMessageSetHeaderFieldValue(req, fieldName, fieldValue);
CFRelease(fieldName);
CFRelease(fieldValue);
delete pName;
delete pVal;
}
CFDataRef body = NULL;
if (mBody.size())
{
body = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, (UInt8*)&mBody[0], mBody.size(), kCFAllocatorNull);
CFHTTPMessageSetBody(req, body);
}
CFReadStreamRef readStream = CFReadStreamCreateForHTTPRequest(kCFAllocatorDefault, req);
CFReadStreamOpen(readStream);
std::vector<char> buf;
CFIndex pos = 0;
CFIndex size = 0;
bool cont = true;
do
{
buf.resize(pos + 1024);
size = CFReadStreamRead(readStream, (UInt8*)&buf[pos], 1024);
if (size == -1)
{
return NULL;
}
else if (size == 0)
{
if (CFReadStreamGetStatus(readStream) == kCFStreamStatusAtEnd)
cont = false;
else
nglThread::MsSleep(10);
}
pos += size;
}
while (cont);
CFHTTPMessageRef responseHeader = (CFHTTPMessageRef)CFReadStreamCopyProperty(readStream, kCFStreamPropertyHTTPResponseHeader);
CFStringRef statusLine = CFHTTPMessageCopyResponseStatusLine(responseHeader);
CFIndex strSize = CFStringGetLength(statusLine)+1;
char* pStatus = new char[strSize];
CFStringGetCString(statusLine, pStatus, strSize, kCFStringEncodingUTF8);
nglString status(pStatus);
UInt32 statusCode = CFHTTPMessageGetResponseStatusCode(responseHeader);
nuiHTTPResponse* pResponse = new nuiHTTPResponse(statusCode, status);
pResponse->SetBody(&buf[0], pos);
delete[] pStatus;
CFDictionaryRef dict = CFHTTPMessageCopyAllHeaderFields(responseHeader);
CFIndex valueCount = CFDictionaryGetCount(dict);
const CFStringRef* pNames = new CFStringRef[valueCount];
const CFStringRef* pValues = new CFStringRef[valueCount];
CFDictionaryGetKeysAndValues(dict, (const void**)pNames, (const void**)pValues);
for (CFIndex i = 0; i< valueCount; i++)
{
strSize = CFStringGetLength(pNames[i])+1;
char* pName = new char[strSize];
CFStringGetCString(pNames[i], pName, strSize, kCFStringEncodingUTF8);
strSize = CFStringGetLength(pValues[i])+1;
char* pVal = new char[strSize];
CFStringGetCString(pValues[i], pVal, strSize, kCFStringEncodingUTF8);
nglString name(pName);
nglString val(pVal);
pResponse->AddHeader(name, val);
delete[] pName;
delete[] pVal;
}
delete[] pNames;
delete[] pValues;
CFRelease(responseHeader);
CFRelease(url);
CFRelease(method);
CFRelease(req);
CFRelease(readStream);
CFRelease(dict);
CFRelease(statusLine);
if (body)
CFRelease(body);
return pResponse;
}
char* DotMacQuery::ReadStream (CFURLRef url, size_t &responseLength)
{
SInt32 ito;
CFNumberRef cfnTo = NULL;
CFDictionaryRef proxyDict = NULL;
// make a connection to the provided URL
CFHTTPMessageRef httpRequestRef = CFHTTPMessageCreateRequest (kCFAllocatorDefault, CFSTR("GET"), url, kCFHTTPVersion1_1);
if (httpRequestRef == NULL)
{
CSSMError::ThrowCSSMError (CSSMERR_DL_RECORD_NOT_FOUND);
}
// open the stream
CFReadStreamRef httpStreamRef = CFReadStreamCreateForHTTPRequest (kCFAllocatorDefault, httpRequestRef);
if (httpStreamRef == NULL)
{
CSSMError::ThrowCSSMError (CSSMERR_DL_RECORD_NOT_FOUND);
}
// set a reasonable timeout
ito = READ_STREAM_TIMEOUT;
cfnTo = CFNumberCreate(NULL, kCFNumberSInt32Type, &ito);
if(!CFReadStreamSetProperty(httpStreamRef, _kCFStreamPropertyReadTimeout, cfnTo)) {
// oh well - keep going
}
/* set up possible proxy info */
proxyDict = SCDynamicStoreCopyProxies(NULL);
if(proxyDict) {
CFReadStreamSetProperty(httpStreamRef, kCFStreamPropertyHTTPProxy, proxyDict);
}
if (CFReadStreamOpen (httpStreamRef) == false)
{
CFRelease(httpRequestRef);
CFRelease(httpStreamRef);
CFRelease(cfnTo);
if(proxyDict) {
CFRelease(proxyDict);
}
CSSMError::ThrowCSSMError (CSSMERR_DL_RECORD_NOT_FOUND);
}
char* response = (char*) malloc (kResponseIncrement);
size_t responseBufferLength = kResponseIncrement;
responseLength = 0;
// read data from the stream
CFIndex bytesRead = CFReadStreamRead (httpStreamRef, (UInt8*) response + responseLength, kResponseIncrement);
while (bytesRead > 0)
{
responseLength += bytesRead;
responseBufferLength = responseLength + kResponseIncrement;
response = (char*) realloc (response, responseBufferLength);
bytesRead = CFReadStreamRead (httpStreamRef, (UInt8*) response + responseLength, kResponseIncrement);
}
CFRelease (httpRequestRef);
CFRelease (httpStreamRef);
CFRelease(cfnTo);
if(proxyDict) {
CFRelease(proxyDict);
}
// check for error
if (bytesRead < 0)
{
CSSMError::ThrowCSSMError (CSSMERR_DL_RECORD_NOT_FOUND);
}
return response;
}
