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(Visual FoxPro) Everyware API RSA Encrypt JSONSee more RSA ExamplesDemonstrates how to RSA encrypt JSON using everyware.com's RSA public key.Note: This example requires Chilkat v11.0.0 or greater. For more information, see https://docs.everyware.com/docs/access-iframe#sample-json--encrypted-payload
LOCAL lnSuccess LOCAL loJson LOCAL loDt LOCAL loSb LOCAL lnBCrlf LOCAL loPubkey LOCAL loRsa LOCAL lcEncryptedJson LOCAL loSbUrl lnSuccess = 0 * This example assumes the Chilkat API to have been previously unlocked. * See Global Unlock Sample for sample code. * First build the JSON to be encrypted. loJson = CreateObject('Chilkat.JsonObject') loJson.UpdateString("provider_key","USER GUID HERE") loJson.UpdateString("menu_item","payment") loDt = CreateObject('Chilkat.CkDateTime') loDt.SetFromCurrentSystemTime() loJson.UpdateString("date_time",loDt.GetAsUnixTimeStr(0)) * This build JSON like the following: * { * "provider_key": "USER GUID HERE", * "menu_item": "payment", * "date_time": "1588163411" * } * When we sign, we'll want to sign the most compact JSON possible loJson.EmitCompact = 1 * Everyware's RSA public key is at: https://docs.everyware.com/docs/everyware-public-rsa-key loSb = CreateObject('Chilkat.StringBuilder') lnBCrlf = 1 loSb.AppendLine("-----BEGIN PUBLIC KEY-----",lnBCrlf) loSb.AppendLine("MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxNbflxUSWQ3XJ1N9dAoh",lnBCrlf) loSb.AppendLine("k+uaiFsg3wkPi9LGS/mH8DtHBgZxKyz+oQBDtnDd9FDEo0ql7MMgCMsTAv27W5vk",lnBCrlf) loSb.AppendLine("Pu0rm6zhcTeYquWEuVCS7VtVsyTATr0Z9WhqNeZlIRurovJAXl2jRDX6QeY5dayC",lnBCrlf) loSb.AppendLine("ubwyG4lBWE4fCakGY6zlh+oaElK0rvblqjYoEg3dn4KPRCYGof8OFxLptHThD4cE",lnBCrlf) loSb.AppendLine("T30j+utVafhO0HRyJ4iR3Pigb4GXdWBtJEEEWddZJizMkjFQkyUAoYLOT8EJ2TW3",lnBCrlf) loSb.AppendLine("Tz8SvAuHBUEFcPWTSTMAG/bSp5wrYBTXaeEhx+wrYa60OruHuzgmhzKyQVuYlCNJ",lnBCrlf) loSb.AppendLine("HdbnassuIRjjSNo25o4AdSlWwpGfBZjAiyEInR+KGpHdhKTxSekJxiwiXUS0UfSG",lnBCrlf) loSb.AppendLine("prOpd5PzWaAR7DvjLsdmR9XffxvJCVxC735gLK7hDJKjCajDPHVDr8FSL8xMlrq0",lnBCrlf) loSb.AppendLine("nKxtsHeRl1yzoGrRr12+9MiQnHtpqROTNXcXdwe3v+Vh8V5k8v8oIrcgh1+/N7Bd",lnBCrlf) loSb.AppendLine("NiRsy1gFHBdu/he/KcDRT/9/acQFMPLQueGfZxUvU5As6pEONjtKX2MUg2fMF6Rc",lnBCrlf) loSb.AppendLine("sQVVrLzg0g7EcuHGfuPeKfD/716MvS8NU7rX+2soijCSQv/e18PJPMVDlcMXjnup",lnBCrlf) loSb.AppendLine("PPx1tStemesavFlj1okhS6UCAwEAAQ==",lnBCrlf) loSb.AppendLine("-----END PUBLIC KEY-----",lnBCrlf) loPubkey = CreateObject('Chilkat.PublicKey') lnSuccess = loPubkey.LoadFromString(loSb.GetAsString()) IF (lnSuccess = 0) THEN ? loPubkey.LastErrorText RELEASE loJson RELEASE loDt RELEASE loSb RELEASE loPubkey CANCEL ENDIF loRsa = CreateObject('Chilkat.Rsa') lnSuccess = loRsa.UsePublicKey(loPubkey) IF (lnSuccess = 0) THEN ? loRsa.LastErrorText RELEASE loJson RELEASE loDt RELEASE loSb RELEASE loPubkey RELEASE loRsa CANCEL ENDIF * We probably need a base64Url encoded encrypted key. * Using straight-up base64 would potenially include chars that are not URL safe (i.e. have special meanings in URLs) loRsa.EncodingMode = "base64url" lcEncryptedJson = loRsa.EncryptStringENC(loJson.Emit(),0) * Build the URL * Such as: https://portal.everyware.com/Account/LoginMenu?data={Base64Url_encrypted_JSON} loSbUrl = CreateObject('Chilkat.StringBuilder') loSbUrl.Append("https://portal.everyware.com/Account/LoginMenu?data=") loSbUrl.Append(lcEncryptedJson) ? loSbUrl.GetAsString() RELEASE loJson RELEASE loDt RELEASE loSb RELEASE loPubkey RELEASE loRsa RELEASE loSbUrl |
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