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amirghadiri1987
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/*
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LicenceFileCheck.mqh
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Copyright 2021, Orchard Forex
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https://www.orchardforex.com
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*/
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#property copyright "Copyright 2013-2020, Orchard Forex"
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#property link "https://www.orchardforex.com"
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#property version "1.00"
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class CLicenceFile {
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protected:
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string mProductName;
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string mProductKey;
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string mData;
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virtual bool LoadData( string &data );
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virtual string LicencePath();
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public:
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CLicenceFile( string productName, string productKey );
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~CLicenceFile() {}
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bool Check();
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string KeyGen( string data ); // Allow account to pass in
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string Hash( string data );
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bool FileGen( string data );
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void chekload2(string &dat1) {LoadData(dat1);}
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string GetData() { return ( mData ); }
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};
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CLicenceFile::CLicenceFile( string productName, string productKey ) {
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mProductName = productName;
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mProductKey = productKey;
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}
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string CLicenceFile::LicencePath() { return ( "Orchard\\Licence\\" + mProductName + ".lic" ); }
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bool CLicenceFile::Check() {
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mData = "";
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string data = "";
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if ( !LoadData( data ) ) return false;
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int pos = StringFind( data, "\n" );
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if ( pos <= 0 ) {
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Print( "Licence file is not valid" );
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return ( false );
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}
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string signature = StringSubstr( data, 0, pos );
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mData = StringSubstr( data, pos + 1 );
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Print("mdata ",mData," sign ",signature);
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string key = KeyGen( mData );
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if ( key != signature ) {
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Print( "Licence is invalid" );
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return ( false );
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}
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return ( true );
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}
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bool CLicenceFile::LoadData( string &data ) {
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Print("load 02");
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string licencePath = LicencePath();
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// Open and read the file each time in case it has been modified between iterations
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int handle = FileOpen( licencePath, FILE_READ | FILE_BIN | FILE_ANSI );
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if ( handle == INVALID_HANDLE ) {
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PrintFormat( "Could not open licence file %s", licencePath );
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return ( false );
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}
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int len = ( int )FileSize( handle );
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data = FileReadString( handle, len );
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FileClose( handle );
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Print("load 02 2");
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return true;
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}
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string CLicenceFile::KeyGen( string data ) {
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string keyString = data + mProductKey;
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return Hash( keyString );
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}
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string CLicenceFile::Hash( string data ) {
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uchar dataChar[];
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StringToCharArray( data, dataChar, 0, StringLen( data ) );
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uchar cryptChar[];
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CryptEncode( CRYPT_HASH_SHA256, dataChar, dataChar, cryptChar );
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string result = "";
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int count = ArraySize( cryptChar );
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for ( int i = 0; i < count; i++ ) {
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result += StringFormat( "%.2x", cryptChar[i] );
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}
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return result;
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}
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bool CLicenceFile::FileGen( string data ) {
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string licencePath = LicencePath();
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int handle = FileOpen( licencePath, FILE_WRITE | FILE_BIN | FILE_ANSI );
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if ( handle == INVALID_HANDLE ) {
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PrintFormat( "Could not create licence file %s", licencePath );
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return ( false );
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}
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string signature = KeyGen( data );
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string contents = signature + "\n" + data;
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FileWriteString( handle, contents );
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FileFlush( handle );
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FileClose( handle );
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Print( "Licence file '" + licencePath + "' created" );
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return ( true );
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}
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@@ -0,0 +1,97 @@
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/*
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LicenceWebCheck.mqh
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Copyright 2021, Orchard Forex
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https://www.orchardforex.com
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*/
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#property copyright "Copyright 2013-2020, Orchard Forex"
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#property link "https://www.orchardforex.com"
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#property version "1.00"
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// this is important for MT4
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#property strict
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#include "LicenceFileCheck.mqh"
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class CLicenceWeb : public CLicenceFile {
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protected:
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string mAccount;
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string mRegistration;
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virtual bool LoadData( string &data );
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virtual string LicencePath();
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public:
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CLicenceWeb( string productName, string productKey, string registration, long account = -1 );
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~CLicenceWeb() {}
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void SetRegistration();
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void chekload1(string &dat1) {LoadData(dat1);}
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};
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CLicenceWeb::CLicenceWeb( string productName, string productKey, string registration, long account = -1 ) : CLicenceFile( productName, productKey ) {
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mRegistration = registration;
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if ( account < 0 ) {
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account = AccountInfoInteger( ACCOUNT_LOGIN );
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}
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mAccount = string( account );
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string data2;
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chekload2(data2);
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Print("data 2",data2);
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}
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void CLicenceWeb::SetRegistration() { mRegistration = Hash( mProductName + "_" + mAccount ); }
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string CLicenceWeb::LicencePath() { return ( "Orchard\\Licence\\" + Hash( mProductName + "_" + mAccount ) + ".lic" ); }
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bool CLicenceWeb::LoadData( string &data ) {
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Print("load 01");
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string headers = "";
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char postData[];
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char resultData[];
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string resultHeaders;
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int timeout = 5000; // 1 second, may be too short for a slow connection
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string url = "https://raw.githubusercontent.com";
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// string api = StringFormat( "https://drive.google.com/uc?id=%s&export=download", mRegistration );
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// string api = StringFormat( "%s/OrchardForexTutorials/Licence/raw/main/%s.txt", url, mRegistration );
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string api = StringFormat( "%s/amirghadiri1987/License/refs/heads/main/%s.lic", url, mRegistration );
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Print("api ",api);
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ResetLastError();
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int response = WebRequest( "GET", api, headers, timeout, postData, resultData, resultHeaders );
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int errorCode = GetLastError();
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// Add this code to handle 303 redirect but it creates more problems
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// if (response==303) {
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// int locStart = StringFind(resultHeaders, "Location: ", 0)+10;
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// int locEnd = StringFind(resultHeaders, "\r", locStart);
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// api = StringSubstr(resultHeaders, locStart, locEnd-locStart);
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// ResetLastError();
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// response = WebRequest( "GET", api, headers, timeout, postData, resultData, resultHeaders );
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// errorCode = GetLastError();
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//}
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data = CharArrayToString( resultData );
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switch ( response ) {
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case -1:
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Print( "Error in WebRequest. Error code =", errorCode );
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Print( "Add the address " + url + " in the list of allowed URLs" );
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return false;
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break;
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case 200:
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//--- Success
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return true;
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break;
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default:
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PrintFormat( "Unexpected response code %i", response );
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return false;
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break;
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}
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return false;
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}
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@@ -0,0 +1,76 @@
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/*
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WebLicenceTest
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Copyright 2021, Orchard Forex
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https://www.orchardforex.com
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*/
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#include <Orchard/LicenceCheck/LicenceWebCheck.mqh>
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input string InpProductName = "product1"; // Product name used in file name
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input string InpProductKey = "key1"; // Secret product key
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input int InpAccount = 123456; // Customer Account number
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input bool InpTesting = false; // Is this a test
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CLicenceWeb *licenceWeb;
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void OnStart_() {
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licenceWeb = new CLicenceWeb( InpProductName, InpProductKey, "", InpAccount );
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licenceWeb.SetRegistration();
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if ( !InpTesting ) {
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Make();
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}
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else {
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Test();
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}
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string data1;
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licenceWeb.chekload1(data1);
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Print("data1 ",data1);
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delete licenceWeb;
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}
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void Make() {
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// Just making up some data here
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// You could use anything that works for you
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// Account number, expiry time, grace expiry time
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string data = licenceWeb.Hash( string( InpAccount ) ) + "\n" + licenceWeb.Hash( InpProductName ) + "\n" + TimeToString( TimeCurrent() + ( 86400 * 30 ) ) + "\n" +
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TimeToString( TimeCurrent() + ( 86400 * 33 ) );
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// Not necessary to do this, just for demonstration
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string signature = licenceWeb.KeyGen( data );
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Print( "The signature is " + signature );
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// Create the file to ship to the customer
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if ( !licenceWeb.FileGen( data ) ) {
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Print( "Failed to create licence file" );
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return;
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}
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Print( "Created licence file" );
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}
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void Test() {
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Print( "Now testing licence" );
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if ( !licenceWeb.Check() ) {
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Print( "Oops, problem with the licence" );
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return;
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}
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Print( "Valid Licence" );
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string parts[];
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string licenceData = licenceWeb.GetData();
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StringSplit( licenceData, '\n', parts );
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PrintFormat( "Account=%s, %s", parts[0], ( parts[0] == licenceWeb.Hash( string( InpAccount ) ) ) ? "correct" : "fail" );
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PrintFormat( "Product=%s, %s", parts[1], ( parts[1] == licenceWeb.Hash( InpProductName ) ) ? "correct" : "fail" );
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PrintFormat( "Expires at %s", parts[2] );
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PrintFormat( "Grace expires at %s", parts[3] );
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}
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// bnH1yjYYpwp+dBDfzfvgUzmOGVhtv6hTHeYX7MwVhcQ=.lic
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// bnH1yjYYpwp+dBDfzfvgUzmOGVhtv6hTHeYX7MwVhcQ=
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