std::string OAuth::createSignatureBaseString(HTTPRequest& r) {
HTTPURL url = r.getURL();
std::string method = (r.getMethod() == HTTP_METHOD_POST) ? "POST" : "GET";
// Get the percent encoded parameters
HTTPParameters collected_parameters = collectParameters(r);
collected_parameters.percentEncode();
// We need to encode the parameter string (again)
PercentEncode encoder;
std::string parameter_string = collected_parameters.getQueryString();
std::string normalized_url = createNormalizedURL(r.getURL());
std::string signature_string = method +"&" +encoder.encode(normalized_url) +"&" +encoder.encode(parameter_string);
return signature_string;
}
ReadResult
HTTPClient::doReadString(const HTTPRequest& request,
const osgDB::Options* options,
ProgressCallback* callback )
{
initialize();
ReadResult result;
HTTPResponse response = this->doGet( request, options, callback );
if ( response.isOK() )
{
result = ReadResult( new StringObject(response.getPartAsString(0)) );
}
else if ( response.getCode() >= 400 && response.getCode() < 500 && response.getCode() != 404 )
{
// for request errors, return an error result with the part data intact
// so the user can parse it as needed. We only do this for readString.
result = ReadResult(
ReadResult::RESULT_SERVER_ERROR,
new StringObject(response.getPartAsString(0)) );
}
else
{
result = ReadResult(
response.isCancelled() ? ReadResult::RESULT_CANCELED :
response.getCode() == HTTPResponse::NOT_FOUND ? ReadResult::RESULT_NOT_FOUND :
response.getCode() == HTTPResponse::SERVER_ERROR ? ReadResult::RESULT_SERVER_ERROR :
response.getCode() == HTTPResponse::NOT_MODIFIED ? ReadResult::RESULT_NOT_MODIFIED :
ReadResult::RESULT_UNKNOWN_ERROR );
//If we have an error but it's recoverable, like a server error or timeout then set the callback to retry.
if (HTTPClient::isRecoverable( result.code() ) )
{
if (callback)
{
if ( s_HTTP_DEBUG )
{
OE_NOTICE << LC << "Error in HTTPClient for " << request.getURL() << " but it's recoverable" << std::endl;
}
callback->setNeedsRetry( true );
}
}
}
// encode headers
result.setMetadata( response.getHeadersAsConfig() );
// last-modified (file time)
result.setLastModifiedTime( getCurlFileTime(_curl_handle) );
return result;
}
HTTPParameters OAuth::collectParameters(HTTPRequest& r) {
setParameters();
HTTPParameters collected_parameters;
HTTPParameters body_parameters = r.getContentParameters();
HTTPParameters querystring_parameters = r.getURL().getQueryParameters();
copyParametersForSignature(body_parameters, collected_parameters);
copyParametersForSignature(querystring_parameters, collected_parameters);
copyParametersForSignature(auth_params, collected_parameters);
return collected_parameters;
}
osg::Image*
WCS11Source::createImage(const TileKey& key,
ProgressCallback* progress)
{
HTTPRequest request = createRequest( key );
OE_INFO << "[osgEarth::WCS1.1] Key=" << key.str() << " URL = " << request.getURL() << std::endl;
double lon0,lat0,lon1,lat1;
key.getExtent().getBounds( lon0, lat0, lon1, lat1 );
// download the data. It's a multipart-mime stream, so we have to use HTTP directly.
HTTPResponse response = HTTPClient::get( request, _dbOptions.get(), progress );
if ( !response.isOK() )
{
OE_WARN << "[osgEarth::WCS1.1] WARNING: HTTP request failed" << std::endl;
return NULL;
}
//TODO: Make WCS driver use progress callback
unsigned int part_num = response.getNumParts() > 1? 1 : 0;
std::istream& input_stream = response.getPartStream( part_num );
//TODO: un-hard-code TIFFs
osgDB::ReaderWriter* reader = osgDB::Registry::instance()->getReaderWriterForExtension( "tiff" );
if ( !reader )
{
OE_NOTICE << "[osgEarth::WCS1.1] WARNING: no reader for \"tiff\"" << std::endl;
return NULL;
}
osgDB::ReaderWriter::ReadResult result = reader->readImage( input_stream ); //, getOptions() );
if ( !result.success() )
{
OE_NOTICE << "[osgEarth::WCS1.1] WARNING: readImage() failed for Reader " << reader->getName() << std::endl;
return NULL;
}
osg::Image* image = result.getImage();
//OE_NOTICE << "Returned grid is " << image->s() << "x" << image->t() << std::endl;
if ( image ) image->ref();
return image;
}
osg::Image*
WCS11Source::createImage(const TileKey& key,
ProgressCallback* progress)
{
HTTPRequest request = createRequest( key );
double lon0,lat0,lon1,lat1;
key.getExtent().getBounds( lon0, lat0, lon1, lat1 );
ReadResult out_response = URI(request.getURL()).readImage(_dbOptions.get(), progress);
if (!out_response.failed())
{
return out_response.releaseImage();
}
else
{
OSG_INFO << LC << "Unable to create image: " << out_response.errorDetail() << ". Set OSGEARTH_HTTP_DEBUG=1 for details." << std::endl;
return NULL;
}
}
HTTPResponse
HTTPClient::doGet(const HTTPRequest& request,
const osgDB::Options* options,
ProgressCallback* progress) const
{
initialize();
OE_START_TIMER(http_get);
const osgDB::AuthenticationMap* authenticationMap = (options && options->getAuthenticationMap()) ?
options->getAuthenticationMap() :
osgDB::Registry::instance()->getAuthenticationMap();
std::string proxy_host;
std::string proxy_port = "8080";
std::string proxy_auth;
//TODO: don't do all this proxy setup on every GET. Just do it once per client, or only when
// the proxy information changes.
//Try to get the proxy settings from the global settings
if (s_proxySettings.isSet())
{
proxy_host = s_proxySettings.get().hostName();
std::stringstream buf;
buf << s_proxySettings.get().port();
proxy_port = buf.str();
std::string proxy_username = s_proxySettings.get().userName();
std::string proxy_password = s_proxySettings.get().password();
if (!proxy_username.empty() && !proxy_password.empty())
{
proxy_auth = proxy_username + std::string(":") + proxy_password;
}
}
//Try to get the proxy settings from the local options that are passed in.
readOptions( options, proxy_host, proxy_port );
optional< ProxySettings > proxySettings;
ProxySettings::fromOptions( options, proxySettings );
if (proxySettings.isSet())
{
proxy_host = proxySettings.get().hostName();
proxy_port = toString<int>(proxySettings.get().port());
OE_DEBUG << LC << "Read proxy settings from options " << proxy_host << " " << proxy_port << std::endl;
}
//Try to get the proxy settings from the environment variable
const char* proxyEnvAddress = getenv("OSG_CURL_PROXY");
if (proxyEnvAddress) //Env Proxy Settings
{
proxy_host = std::string(proxyEnvAddress);
const char* proxyEnvPort = getenv("OSG_CURL_PROXYPORT"); //Searching Proxy Port on Env
if (proxyEnvPort)
{
proxy_port = std::string( proxyEnvPort );
}
}
const char* proxyEnvAuth = getenv("OSGEARTH_CURL_PROXYAUTH");
if (proxyEnvAuth)
{
proxy_auth = std::string(proxyEnvAuth);
}
// Set up proxy server:
std::string proxy_addr;
if ( !proxy_host.empty() )
{
std::stringstream buf;
buf << proxy_host << ":" << proxy_port;
std::string bufStr;
bufStr = buf.str();
proxy_addr = bufStr;
if ( s_HTTP_DEBUG )
{
OE_NOTICE << LC << "Using proxy: " << proxy_addr << std::endl;
}
//curl_easy_setopt( _curl_handle, CURLOPT_HTTPPROXYTUNNEL, 1 );
curl_easy_setopt( _curl_handle, CURLOPT_PROXY, proxy_addr.c_str() );
//Setup the proxy authentication if setup
if (!proxy_auth.empty())
{
if ( s_HTTP_DEBUG )
{
OE_NOTICE << LC << "Using proxy authentication " << proxy_auth << std::endl;
}
curl_easy_setopt( _curl_handle, CURLOPT_PROXYUSERPWD, proxy_auth.c_str());
}
}
else
{
OE_DEBUG << LC << "Removing proxy settings" << std::endl;
curl_easy_setopt( _curl_handle, CURLOPT_PROXY, 0 );
}
std::string url = request.getURL();
// Rewrite the url if the url rewriter is available
osg::ref_ptr< URLRewriter > rewriter = getURLRewriter();
if ( rewriter.valid() )
{
std::string oldURL = url;
url = rewriter->rewrite( oldURL );
OE_DEBUG << LC << "Rewrote URL " << oldURL << " to " << url << std::endl;
}
const osgDB::AuthenticationDetails* details = authenticationMap ?
authenticationMap->getAuthenticationDetails( url ) :
0;
if (details)
{
const std::string colon(":");
std::string password(details->username + colon + details->password);
curl_easy_setopt(_curl_handle, CURLOPT_USERPWD, password.c_str());
const_cast<HTTPClient*>(this)->_previousPassword = password;
// use for https.
// curl_easy_setopt(_curl, CURLOPT_KEYPASSWD, password.c_str());
#if LIBCURL_VERSION_NUM >= 0x070a07
if (details->httpAuthentication != _previousHttpAuthentication)
{
curl_easy_setopt(_curl_handle, CURLOPT_HTTPAUTH, details->httpAuthentication);
const_cast<HTTPClient*>(this)->_previousHttpAuthentication = details->httpAuthentication;
}
#endif
}
else
{
if (!_previousPassword.empty())
{
curl_easy_setopt(_curl_handle, CURLOPT_USERPWD, 0);
const_cast<HTTPClient*>(this)->_previousPassword.clear();
}
#if LIBCURL_VERSION_NUM >= 0x070a07
// need to reset if previously set.
if (_previousHttpAuthentication!=0)
{
curl_easy_setopt(_curl_handle, CURLOPT_HTTPAUTH, 0);
const_cast<HTTPClient*>(this)->_previousHttpAuthentication = 0;
}
#endif
}
// Set any headers
struct curl_slist *headers=NULL;
if (!request.getHeaders().empty())
{
for (HTTPRequest::Parameters::const_iterator itr = request.getHeaders().begin(); itr != request.getHeaders().end(); ++itr)
{
std::stringstream buf;
buf << itr->first << ": " << itr->second;
headers = curl_slist_append(headers, buf.str().c_str());
}
}
// Disable the default Pragma: no-cache that curl adds by default.
headers = curl_slist_append(headers, "Pragma: ");
curl_easy_setopt(_curl_handle, CURLOPT_HTTPHEADER, headers);
osg::ref_ptr<HTTPResponse::Part> part = new HTTPResponse::Part();
StreamObject sp( &part->_stream );
//Take a temporary ref to the callback (why? dangerous.)
//osg::ref_ptr<ProgressCallback> progressCallback = callback;
curl_easy_setopt( _curl_handle, CURLOPT_URL, url.c_str() );
if (progress)
{
curl_easy_setopt(_curl_handle, CURLOPT_PROGRESSDATA, progress);
}
CURLcode res;
long response_code = 0L;
OE_START_TIMER(get_duration);
if ( _simResponseCode < 0 )
{
char errorBuf[CURL_ERROR_SIZE];
errorBuf[0] = 0;
curl_easy_setopt( _curl_handle, CURLOPT_ERRORBUFFER, (void*)errorBuf );
curl_easy_setopt( _curl_handle, CURLOPT_WRITEDATA, (void*)&sp);
curl_easy_setopt( _curl_handle, CURLOPT_HEADERDATA, (void*)&sp);
//Disable peer certificate verification to allow us to access in https servers where the peer certificate cannot be verified.
curl_easy_setopt( _curl_handle, CURLOPT_SSL_VERIFYPEER, (void*)0 );
osg::ref_ptr< CurlConfigHandler > curlConfigHandler = getCurlConfigHandler();
if (curlConfigHandler.valid()) {
curlConfigHandler->onGet(_curl_handle);
}
res = curl_easy_perform(_curl_handle);
curl_easy_setopt( _curl_handle, CURLOPT_WRITEDATA, (void*)0 );
curl_easy_setopt( _curl_handle, CURLOPT_PROGRESSDATA, (void*)0);
if (!proxy_addr.empty())
{
long connect_code = 0L;
CURLcode r = curl_easy_getinfo(_curl_handle, CURLINFO_HTTP_CONNECTCODE, &connect_code);
if ( r != CURLE_OK )
{
OE_WARN << LC << "Proxy connect error: " << curl_easy_strerror(r) << std::endl;
return HTTPResponse(0);
}
}
curl_easy_getinfo( _curl_handle, CURLINFO_RESPONSE_CODE, &response_code );
}
else
{
// simulate failure with a custom response code
response_code = _simResponseCode;
res = response_code == 408 ? CURLE_OPERATION_TIMEDOUT : CURLE_COULDNT_CONNECT;
}
HTTPResponse response( response_code );
// read the response content type:
char* content_type_cp;
curl_easy_getinfo( _curl_handle, CURLINFO_CONTENT_TYPE, &content_type_cp );
if ( content_type_cp != NULL )
{
response._mimeType = content_type_cp;
}
// upon success, parse the data:
if ( res != CURLE_ABORTED_BY_CALLBACK && res != CURLE_OPERATION_TIMEDOUT )
{
// check for multipart content
if (response._mimeType.length() > 9 &&
::strstr( response._mimeType.c_str(), "multipart" ) == response._mimeType.c_str() )
{
OE_DEBUG << LC << "detected multipart data; decoding..." << std::endl;
//TODO: parse out the "wcs" -- this is WCS-specific
if ( !decodeMultipartStream( "wcs", part.get(), response._parts ) )
{
// error decoding an invalid multipart stream.
// should we do anything, or just leave the response empty?
}
}
else
{
for (Headers::iterator itr = sp._headers.begin(); itr != sp._headers.end(); ++itr)
{
part->_headers[itr->first] = itr->second;
}
// Write the headers to the metadata
response._parts.push_back( part.get() );
}
}
else /*if (res == CURLE_ABORTED_BY_CALLBACK || res == CURLE_OPERATION_TIMEDOUT) */
{
//If we were aborted by a callback, then it was cancelled by a user
response._cancelled = true;
}
response._duration_s = OE_STOP_TIMER(get_duration);
if ( progress )
{
progress->stats()["http_get_time"] += OE_STOP_TIMER(http_get);
progress->stats()["http_get_count"] += 1;
if ( response._cancelled )
progress->stats()["http_cancel_count"] += 1;
}
if ( s_HTTP_DEBUG )
{
TimeStamp filetime = getCurlFileTime(_curl_handle);
OE_NOTICE << LC
<< "GET(" << response_code << ", " << response._mimeType << ") : \""
<< url << "\" (" << DateTime(filetime).asRFC1123() << ") t="
<< std::setprecision(4) << response.getDuration() << "s" << std::endl;
{
Threading::ScopedMutexLock lock(s_HTTP_DEBUG_mutex);
s_HTTP_DEBUG_request_count++;
s_HTTP_DEBUG_total_duration += response.getDuration();
if ( s_HTTP_DEBUG_request_count % 60 == 0 )
{
OE_NOTICE << LC << "Average duration = " << s_HTTP_DEBUG_total_duration/(double)s_HTTP_DEBUG_request_count
<< std::endl;
}
}
#if 0
// time details - almost 100% of the time is spent in
// STARTTRANSFER, which is the time until the first byte is received.
double td[7];
curl_easy_getinfo(_curl_handle, CURLINFO_TOTAL_TIME, &td[0]);
curl_easy_getinfo(_curl_handle, CURLINFO_NAMELOOKUP_TIME, &td[1]);
curl_easy_getinfo(_curl_handle, CURLINFO_CONNECT_TIME, &td[2]);
curl_easy_getinfo(_curl_handle, CURLINFO_APPCONNECT_TIME, &td[3]);
curl_easy_getinfo(_curl_handle, CURLINFO_PRETRANSFER_TIME, &td[4]);
curl_easy_getinfo(_curl_handle, CURLINFO_STARTTRANSFER_TIME, &td[5]);
curl_easy_getinfo(_curl_handle, CURLINFO_REDIRECT_TIME, &td[6]);
for(int i=0; i<7; ++i)
{
OE_NOTICE << LC
<< std::setprecision(4)
<< "TIMES: total=" <<td[0]
<< ", lookup=" <<td[1]<<" ("<<(int)((td[1]/td[0])*100)<<"%)"
<< ", connect=" <<td[2]<<" ("<<(int)((td[2]/td[0])*100)<<"%)"
<< ", appconn=" <<td[3]<<" ("<<(int)((td[3]/td[0])*100)<<"%)"
<< ", prexfer=" <<td[4]<<" ("<<(int)((td[4]/td[0])*100)<<"%)"
<< ", startxfer=" <<td[5]<<" ("<<(int)((td[5]/td[0])*100)<<"%)"
<< ", redir=" <<td[6]<<" ("<<(int)((td[6]/td[0])*100)<<"%)"
<< std::endl;
}
#endif
// Free the headers
if (headers)
{
curl_slist_free_all(headers);
}
}
return response;
}
ReadResult
HTTPClient::doReadObject(const HTTPRequest& request,
const osgDB::Options* options,
ProgressCallback* callback)
{
initialize();
ReadResult result;
HTTPResponse response = this->doGet(request, options, callback);
if (response.isOK())
{
osgDB::ReaderWriter* reader = getReader(request.getURL(), response);
if (!reader)
{
result = ReadResult(ReadResult::RESULT_NO_READER);
}
else
{
osgDB::ReaderWriter::ReadResult rr = reader->readObject(response.getPartStream(0), options);
if ( rr.validObject() )
{
result = ReadResult(rr.takeObject());
}
else
{
if ( s_HTTP_DEBUG )
{
OE_WARN << LC << reader->className()
<< " failed to read object from " << request.getURL()
<< "; message = " << rr.message()
<< std::endl;
}
result = ReadResult(ReadResult::RESULT_READER_ERROR);
result.setErrorDetail( rr.message() );
}
}
// last-modified (file time)
result.setLastModifiedTime( getCurlFileTime(_curl_handle) );
}
else
{
result = ReadResult(
response.isCancelled() ? ReadResult::RESULT_CANCELED :
response.getCode() == HTTPResponse::NOT_FOUND ? ReadResult::RESULT_NOT_FOUND :
response.getCode() == HTTPResponse::SERVER_ERROR ? ReadResult::RESULT_SERVER_ERROR :
response.getCode() == HTTPResponse::NOT_MODIFIED ? ReadResult::RESULT_NOT_MODIFIED :
ReadResult::RESULT_UNKNOWN_ERROR );
//If we have an error but it's recoverable, like a server error or timeout then set the callback to retry.
if (HTTPClient::isRecoverable( result.code() ) )
{
if (callback)
{
if ( s_HTTP_DEBUG )
{
OE_NOTICE << LC << "Error in HTTPClient for " << request.getURL() << " but it's recoverable" << std::endl;
}
callback->setNeedsRetry( true );
}
}
}
result.setMetadata( response.getHeadersAsConfig() );
return result;
}
HTTPResponse
HTTPClient::doGet( const HTTPRequest& request, const osgDB::Options* options, ProgressCallback* callback) const
{
initialize();
OE_TEST << LC << "doGet " << request.getURL() << std::endl;
const osgDB::AuthenticationMap* authenticationMap = (options && options->getAuthenticationMap()) ?
options->getAuthenticationMap() :
osgDB::Registry::instance()->getAuthenticationMap();
std::string proxy_host;
std::string proxy_port = "8080";
std::string proxy_auth;
//TODO: don't do all this proxy setup on every GET. Just do it once per client, or only when
// the proxy information changes.
//Try to get the proxy settings from the global settings
if (_proxySettings.isSet())
{
proxy_host = _proxySettings.get().hostName();
std::stringstream buf;
buf << _proxySettings.get().port();
proxy_port = buf.str();
std::string proxy_username = _proxySettings.get().userName();
std::string proxy_password = _proxySettings.get().password();
if (!proxy_username.empty() && !proxy_password.empty())
{
proxy_auth = proxy_username + std::string(":") + proxy_password;
}
}
//Try to get the proxy settings from the local options that are passed in.
readOptions( options, proxy_host, proxy_port );
optional< ProxySettings > proxySettings;
ProxySettings::fromOptions( options, proxySettings );
if (proxySettings.isSet())
{
proxy_host = proxySettings.get().hostName();
proxy_port = toString<int>(proxySettings.get().port());
OE_DEBUG << "Read proxy settings from options " << proxy_host << " " << proxy_port << std::endl;
}
//Try to get the proxy settings from the environment variable
const char* proxyEnvAddress = getenv("OSG_CURL_PROXY");
if (proxyEnvAddress) //Env Proxy Settings
{
proxy_host = std::string(proxyEnvAddress);
const char* proxyEnvPort = getenv("OSG_CURL_PROXYPORT"); //Searching Proxy Port on Env
if (proxyEnvPort)
{
proxy_port = std::string( proxyEnvPort );
}
}
const char* proxyEnvAuth = getenv("OSGEARTH_CURL_PROXYAUTH");
if (proxyEnvAuth)
{
proxy_auth = std::string(proxyEnvAuth);
}
// Set up proxy server:
std::string proxy_addr;
if ( !proxy_host.empty() )
{
std::stringstream buf;
buf << proxy_host << ":" << proxy_port;
std::string bufStr;
bufStr = buf.str();
proxy_addr = bufStr;
OE_DEBUG << LC << "setting proxy: " << proxy_addr << std::endl;
//curl_easy_setopt( _curl_handle, CURLOPT_HTTPPROXYTUNNEL, 1 );
curl_easy_setopt( _curl_handle, CURLOPT_PROXY, proxy_addr.c_str() );
//Setup the proxy authentication if setup
if (!proxy_auth.empty())
{
OE_DEBUG << LC << "Setting up proxy authentication " << proxy_auth << std::endl;
curl_easy_setopt( _curl_handle, CURLOPT_PROXYUSERPWD, proxy_auth.c_str());
}
}
else
{
OE_DEBUG << "Removing proxy settings" << std::endl;
curl_easy_setopt( _curl_handle, CURLOPT_PROXY, 0 );
}
const osgDB::AuthenticationDetails* details = authenticationMap ?
authenticationMap->getAuthenticationDetails(request.getURL()) :
0;
if (details)
{
const std::string colon(":");
std::string password(details->username + colon + details->password);
curl_easy_setopt(_curl_handle, CURLOPT_USERPWD, password.c_str());
const_cast<HTTPClient*>(this)->_previousPassword = password;
// use for https.
// curl_easy_setopt(_curl, CURLOPT_KEYPASSWD, password.c_str());
#if LIBCURL_VERSION_NUM >= 0x070a07
if (details->httpAuthentication != _previousHttpAuthentication)
{
curl_easy_setopt(_curl_handle, CURLOPT_HTTPAUTH, details->httpAuthentication);
const_cast<HTTPClient*>(this)->_previousHttpAuthentication = details->httpAuthentication;
}
#endif
}
else
{
if (!_previousPassword.empty())
{
curl_easy_setopt(_curl_handle, CURLOPT_USERPWD, 0);
const_cast<HTTPClient*>(this)->_previousPassword.clear();
}
#if LIBCURL_VERSION_NUM >= 0x070a07
// need to reset if previously set.
if (_previousHttpAuthentication!=0)
{
curl_easy_setopt(_curl_handle, CURLOPT_HTTPAUTH, 0);
const_cast<HTTPClient*>(this)->_previousHttpAuthentication = 0;
}
#endif
}
osg::ref_ptr<HTTPResponse::Part> part = new HTTPResponse::Part();
StreamObject sp( &part->_stream );
//Take a temporary ref to the callback
osg::ref_ptr<ProgressCallback> progressCallback = callback;
curl_easy_setopt( _curl_handle, CURLOPT_URL, request.getURL().c_str() );
if (callback)
{
curl_easy_setopt(_curl_handle, CURLOPT_PROGRESSDATA, progressCallback.get());
}
CURLcode res;
long response_code = 0L;
if ( _simResponseCode < 0 )
{
char errorBuf[CURL_ERROR_SIZE];
errorBuf[0] = 0;
curl_easy_setopt( _curl_handle, CURLOPT_ERRORBUFFER, (void*)errorBuf );
curl_easy_setopt( _curl_handle, CURLOPT_WRITEDATA, (void*)&sp);
res = curl_easy_perform( _curl_handle );
curl_easy_setopt( _curl_handle, CURLOPT_WRITEDATA, (void*)0 );
curl_easy_setopt( _curl_handle, CURLOPT_PROGRESSDATA, (void*)0);
//Disable peer certificate verification to allow us to access in https servers where the peer certificate cannot be verified.
curl_easy_setopt( _curl_handle, CURLOPT_SSL_VERIFYPEER, (void*)0 );
if (!proxy_addr.empty())
{
long connect_code = 0L;
curl_easy_getinfo( _curl_handle, CURLINFO_HTTP_CONNECTCODE, &connect_code );
OE_DEBUG << LC << "proxy connect code " << connect_code << std::endl;
}
curl_easy_getinfo( _curl_handle, CURLINFO_RESPONSE_CODE, &response_code );
}
else
{
// simulate failure with a custom response code
response_code = _simResponseCode;
res = response_code == 408 ? CURLE_OPERATION_TIMEDOUT : CURLE_COULDNT_CONNECT;
}
//OE_DEBUG << LC << "got response, code = " << response_code << std::endl;
HTTPResponse response( response_code );
if ( response_code == 200L && res != CURLE_ABORTED_BY_CALLBACK && res != CURLE_OPERATION_TIMEDOUT ) //res == 0 )
{
// check for multipart content:
char* content_type_cp;
curl_easy_getinfo( _curl_handle, CURLINFO_CONTENT_TYPE, &content_type_cp );
if ( content_type_cp == NULL )
{
OE_NOTICE << LC
<< "NULL Content-Type (protocol violation) "
<< "URL=" << request.getURL() << std::endl;
return NULL;
}
// NOTE:
// WCS 1.1 specified a "multipart/mixed" response, but ArcGIS Server gives a "multipart/related"
// content type ...
std::string content_type( content_type_cp );
//OE_DEBUG << LC << "content-type = \"" << content_type << "\"" << std::endl;
if ( content_type.length() > 9 && ::strstr( content_type.c_str(), "multipart" ) == content_type.c_str() )
//if ( content_type == "multipart/mixed; boundary=wcs" ) //todo: parse this.
{
OE_DEBUG << LC << "detected multipart data; decoding..." << std::endl;
//TODO: parse out the "wcs" -- this is WCS-specific
decodeMultipartStream( "wcs", part.get(), response._parts );
}
else
{
// store headers that we care about
part->_headers[IOMetadata::CONTENT_TYPE] = content_type;
response._parts.push_back( part.get() );
}
}
else if (res == CURLE_ABORTED_BY_CALLBACK || res == CURLE_OPERATION_TIMEDOUT)
{
//If we were aborted by a callback, then it was cancelled by a user
response._cancelled = true;
}
// Store the mime-type, if any. (Note: CURL manages the buffer returned by
// this call.)
char* ctbuf = NULL;
if ( curl_easy_getinfo(_curl_handle, CURLINFO_CONTENT_TYPE, &ctbuf) == 0 && ctbuf )
{
response._mimeType = ctbuf;
}
return response;
}
HTTPResponse
HTTPClient::doGet( const HTTPRequest& request, const osgDB::Options* options, ProgressCallback* callback) const
{
initialize();
const osgDB::AuthenticationMap* authenticationMap = (options && options->getAuthenticationMap()) ?
options->getAuthenticationMap() :
osgDB::Registry::instance()->getAuthenticationMap();
std::string proxy_host;
std::string proxy_port = "8080";
std::string proxy_auth;
//TODO: don't do all this proxy setup on every GET. Just do it once per client, or only when
// the proxy information changes.
//Try to get the proxy settings from the global settings
if (s_proxySettings.isSet())
{
proxy_host = s_proxySettings.get().hostName();
std::stringstream buf;
buf << s_proxySettings.get().port();
proxy_port = buf.str();
std::string proxy_username = s_proxySettings.get().userName();
std::string proxy_password = s_proxySettings.get().password();
if (!proxy_username.empty() && !proxy_password.empty())
{
proxy_auth = proxy_username + std::string(":") + proxy_password;
}
}
//Try to get the proxy settings from the local options that are passed in.
readOptions( options, proxy_host, proxy_port );
optional< ProxySettings > proxySettings;
ProxySettings::fromOptions( options, proxySettings );
if (proxySettings.isSet())
{
proxy_host = proxySettings.get().hostName();
proxy_port = toString<int>(proxySettings.get().port());
OE_DEBUG << "Read proxy settings from options " << proxy_host << " " << proxy_port << std::endl;
}
//Try to get the proxy settings from the environment variable
const char* proxyEnvAddress = getenv("OSG_CURL_PROXY");
if (proxyEnvAddress) //Env Proxy Settings
{
proxy_host = std::string(proxyEnvAddress);
const char* proxyEnvPort = getenv("OSG_CURL_PROXYPORT"); //Searching Proxy Port on Env
if (proxyEnvPort)
{
proxy_port = std::string( proxyEnvPort );
}
}
const char* proxyEnvAuth = getenv("OSGEARTH_CURL_PROXYAUTH");
if (proxyEnvAuth)
{
proxy_auth = std::string(proxyEnvAuth);
}
// Set up proxy server:
std::string proxy_addr;
if ( !proxy_host.empty() )
{
std::stringstream buf;
buf << proxy_host << ":" << proxy_port;
std::string bufStr;
bufStr = buf.str();
proxy_addr = bufStr;
if ( s_HTTP_DEBUG )
OE_NOTICE << LC << "Using proxy: " << proxy_addr << std::endl;
//curl_easy_setopt( _curl_handle, CURLOPT_HTTPPROXYTUNNEL, 1 );
curl_easy_setopt( _curl_handle, CURLOPT_PROXY, proxy_addr.c_str() );
//Setup the proxy authentication if setup
if (!proxy_auth.empty())
{
if ( s_HTTP_DEBUG )
OE_NOTICE << LC << "Using proxy authentication " << proxy_auth << std::endl;
curl_easy_setopt( _curl_handle, CURLOPT_PROXYUSERPWD, proxy_auth.c_str());
}
}
else
{
OE_DEBUG << "Removing proxy settings" << std::endl;
curl_easy_setopt( _curl_handle, CURLOPT_PROXY, 0 );
}
std::string url = request.getURL();
// Rewrite the url if the url rewriter is available
osg::ref_ptr< URLRewriter > rewriter = getURLRewriter();
if ( rewriter.valid() )
{
std::string oldURL = url;
url = rewriter->rewrite( oldURL );
OE_INFO << "Rewrote URL " << oldURL << " to " << url << std::endl;
}
const osgDB::AuthenticationDetails* details = authenticationMap ?
authenticationMap->getAuthenticationDetails( url ) :
0;
if (details)
{
const std::string colon(":");
std::string password(details->username + colon + details->password);
curl_easy_setopt(_curl_handle, CURLOPT_USERPWD, password.c_str());
const_cast<HTTPClient*>(this)->_previousPassword = password;
// use for https.
// curl_easy_setopt(_curl, CURLOPT_KEYPASSWD, password.c_str());
#if LIBCURL_VERSION_NUM >= 0x070a07
if (details->httpAuthentication != _previousHttpAuthentication)
{
curl_easy_setopt(_curl_handle, CURLOPT_HTTPAUTH, details->httpAuthentication);
const_cast<HTTPClient*>(this)->_previousHttpAuthentication = details->httpAuthentication;
}
#endif
}
else
{
if (!_previousPassword.empty())
{
curl_easy_setopt(_curl_handle, CURLOPT_USERPWD, 0);
const_cast<HTTPClient*>(this)->_previousPassword.clear();
}
#if LIBCURL_VERSION_NUM >= 0x070a07
// need to reset if previously set.
if (_previousHttpAuthentication!=0)
{
curl_easy_setopt(_curl_handle, CURLOPT_HTTPAUTH, 0);
const_cast<HTTPClient*>(this)->_previousHttpAuthentication = 0;
}
#endif
}
osg::ref_ptr<HTTPResponse::Part> part = new HTTPResponse::Part();
StreamObject sp( &part->_stream );
//Take a temporary ref to the callback
osg::ref_ptr<ProgressCallback> progressCallback = callback;
curl_easy_setopt( _curl_handle, CURLOPT_URL, url.c_str() );
if (callback)
{
curl_easy_setopt(_curl_handle, CURLOPT_PROGRESSDATA, progressCallback.get());
}
CURLcode res;
long response_code = 0L;
if ( _simResponseCode < 0 )
{
char errorBuf[CURL_ERROR_SIZE];
errorBuf[0] = 0;
curl_easy_setopt( _curl_handle, CURLOPT_ERRORBUFFER, (void*)errorBuf );
curl_easy_setopt( _curl_handle, CURLOPT_WRITEDATA, (void*)&sp);
res = curl_easy_perform( _curl_handle );
curl_easy_setopt( _curl_handle, CURLOPT_WRITEDATA, (void*)0 );
curl_easy_setopt( _curl_handle, CURLOPT_PROGRESSDATA, (void*)0);
//Disable peer certificate verification to allow us to access in https servers where the peer certificate cannot be verified.
curl_easy_setopt( _curl_handle, CURLOPT_SSL_VERIFYPEER, (void*)0 );
if (!proxy_addr.empty())
{
long connect_code = 0L;
CURLcode r = curl_easy_getinfo(_curl_handle, CURLINFO_HTTP_CONNECTCODE, &connect_code);
if ( r != CURLE_OK )
{
OE_WARN << LC << "Proxy connect error: " << curl_easy_strerror(r) << std::endl;
return HTTPResponse(0);
}
}
curl_easy_getinfo( _curl_handle, CURLINFO_RESPONSE_CODE, &response_code );
}
else
{
// simulate failure with a custom response code
response_code = _simResponseCode;
res = response_code == 408 ? CURLE_OPERATION_TIMEDOUT : CURLE_COULDNT_CONNECT;
}
HTTPResponse response( response_code );
// read the response content type:
char* content_type_cp;
curl_easy_getinfo( _curl_handle, CURLINFO_CONTENT_TYPE, &content_type_cp );
if ( content_type_cp != NULL )
{
response._mimeType = content_type_cp;
}
if ( s_HTTP_DEBUG )
{
TimeStamp filetime = 0;
if (CURLE_OK != curl_easy_getinfo(_curl_handle, CURLINFO_FILETIME, &filetime))
filetime = 0;
OE_NOTICE << LC
<< "GET(" << response_code << ", " << response._mimeType << ") : \""
<< url << "\" (" << DateTime(filetime).asRFC1123() << ")"<< std::endl;
}
// upon success, parse the data:
if ( res != CURLE_ABORTED_BY_CALLBACK && res != CURLE_OPERATION_TIMEDOUT )
{
// check for multipart content
if (response._mimeType.length() > 9 &&
::strstr( response._mimeType.c_str(), "multipart" ) == response._mimeType.c_str() )
{
OE_DEBUG << LC << "detected multipart data; decoding..." << std::endl;
//TODO: parse out the "wcs" -- this is WCS-specific
decodeMultipartStream( "wcs", part.get(), response._parts );
}
else
{
// store headers that we care about
part->_headers[IOMetadata::CONTENT_TYPE] = response._mimeType;
response._parts.push_back( part.get() );
}
}
else /*if (res == CURLE_ABORTED_BY_CALLBACK || res == CURLE_OPERATION_TIMEDOUT) */
{
//If we were aborted by a callback, then it was cancelled by a user
response._cancelled = true;
}
return response;
}
