182 lines
3.9 KiB
C++
182 lines
3.9 KiB
C++
#include "DemoCodeChecker.h"
|
|
|
|
#include "minorGems/util/stringUtils.h"
|
|
#include "minorGems/util/TranslationManager.h"
|
|
#include "minorGems/crypto/hashes/sha1.h"
|
|
#include "minorGems/util/log/AppLog.h"
|
|
|
|
#include <time.h>
|
|
|
|
|
|
// secret shared with demo server (so that we can detect that it's a real
|
|
// demo server)
|
|
static const char *sharedSecret = "control_this";
|
|
|
|
static const char *demoServerAddress = "http://sleepisdeath.net/demoServer/server.php";
|
|
|
|
|
|
|
|
DemoCodeChecker::DemoCodeChecker( char *inCode )
|
|
: mError( false ),
|
|
mErrorString( NULL ) {
|
|
|
|
char *challengeString = autoSprintf( "%d%s", time( NULL ), sharedSecret );
|
|
|
|
mChallenge = computeSHA1Digest( challengeString );
|
|
|
|
delete [] challengeString;
|
|
|
|
|
|
char *url = autoSprintf( "%s?action=check_permitted&demo_id=%s"
|
|
"&challenge=%s",
|
|
demoServerAddress, inCode, mChallenge );
|
|
|
|
AppLog::getLog()->logPrintf(
|
|
Log::INFO_LEVEL, "Checking demo code with URL %s", url );
|
|
|
|
mRequest = new WebRequest( "GET", url, NULL );
|
|
delete [] url;
|
|
|
|
mPermitted = false;
|
|
|
|
mStepCount = 0;
|
|
}
|
|
|
|
|
|
|
|
DemoCodeChecker::~DemoCodeChecker() {
|
|
if( mErrorString != NULL ) {
|
|
delete [] mErrorString;
|
|
}
|
|
|
|
if( mRequest != NULL ) {
|
|
delete mRequest;
|
|
}
|
|
|
|
delete [] mChallenge;
|
|
}
|
|
|
|
|
|
|
|
char DemoCodeChecker::step() {
|
|
|
|
int result = mRequest->step();
|
|
|
|
mStepCount ++;
|
|
|
|
if( mStepCount < 45 ) {
|
|
// wait a bit to avoid instant, flicker-inducing response
|
|
return true;
|
|
}
|
|
|
|
if( mPermitted || isError() ) {
|
|
// don't do any more processing
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
if( result == -1 ) {
|
|
setError( "err_webRequest" );
|
|
|
|
// done
|
|
return false;
|
|
}
|
|
if( result == 1 ) {
|
|
// check
|
|
|
|
char *resultString = mRequest->getResult();
|
|
|
|
AppLog::getLog()->logPrintf(
|
|
Log::INFO_LEVEL,
|
|
"Result from demo code server:\n%s", resultString );
|
|
|
|
|
|
if( strstr( resultString, "permitted" ) != NULL ) {
|
|
|
|
char *correctResponseString = autoSprintf( "%s%s", mChallenge,
|
|
sharedSecret );
|
|
|
|
char *correctResponse = computeSHA1Digest( correctResponseString );
|
|
|
|
delete [] correctResponseString;
|
|
|
|
|
|
char containsResponse =
|
|
( strstr( resultString, correctResponse ) != NULL );
|
|
|
|
delete[] correctResponse;
|
|
|
|
|
|
|
|
if( containsResponse ) {
|
|
mPermitted = true;
|
|
|
|
delete [] resultString;
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
delete [] resultString;
|
|
|
|
|
|
// else permission failed
|
|
setError( "err_codeFailed" );
|
|
return false;
|
|
}
|
|
if( result == 0 ) {
|
|
// request in progress
|
|
return true;
|
|
}
|
|
|
|
AppLog::getLog()->logPrintf(
|
|
Log::ERROR_LEVEL,
|
|
"Unexpecte result code from WebRequest: %d", result );
|
|
|
|
setError( "err_webRequest" );
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
char DemoCodeChecker::codePermitted() {
|
|
return mPermitted;
|
|
}
|
|
|
|
|
|
|
|
char DemoCodeChecker::isError() {
|
|
return mError;
|
|
}
|
|
|
|
|
|
|
|
void DemoCodeChecker::clearError() {
|
|
if( mErrorString != NULL ) {
|
|
delete [] mErrorString;
|
|
}
|
|
mErrorString = NULL;
|
|
mError = false;
|
|
}
|
|
|
|
|
|
|
|
char *DemoCodeChecker::getErrorString() {
|
|
return mErrorString;
|
|
}
|
|
|
|
|
|
|
|
void DemoCodeChecker::setError( const char *inErrorTranslationKey ) {
|
|
mError = true;
|
|
|
|
if( mErrorString != NULL ) {
|
|
delete [] mErrorString;
|
|
}
|
|
|
|
mErrorString = stringDuplicate( TranslationManager::translate(
|
|
(char*)inErrorTranslationKey ) );
|
|
}
|