PowerBuilder

Everyware API RSA Encrypt JSON

See more RSA Examples

Demonstrates how to RSA encrypt JSON using everyware.com's RSA public key. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Json
oleobject loo_Dt
oleobject loo_Sb
integer li_BCrlf
oleobject loo_Pubkey
oleobject loo_Rsa
string ls_EncryptedJson
oleobject loo_SbUrl

li_Success = 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.
loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")
if li_rc < 0 then
    destroy loo_Json
    MessageBox("Error","Connecting to COM object failed")
    return
end if
loo_Json.UpdateString("provider_key","USER GUID HERE")
loo_Json.UpdateString("menu_item","payment")
loo_Dt = create oleobject
li_rc = loo_Dt.ConnectToNewObject("Chilkat.CkDateTime")

loo_Dt.SetFromCurrentSystemTime()
loo_Json.UpdateString("date_time",loo_Dt.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
loo_Json.EmitCompact = 1

// Everyware's RSA public key is at:  https://docs.everyware.com/docs/everyware-public-rsa-key
loo_Sb = create oleobject
li_rc = loo_Sb.ConnectToNewObject("Chilkat.StringBuilder")

li_BCrlf = 1
loo_Sb.AppendLine("-----BEGIN PUBLIC KEY-----",li_BCrlf)
loo_Sb.AppendLine("MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxNbflxUSWQ3XJ1N9dAoh",li_BCrlf)
loo_Sb.AppendLine("k+uaiFsg3wkPi9LGS/mH8DtHBgZxKyz+oQBDtnDd9FDEo0ql7MMgCMsTAv27W5vk",li_BCrlf)
loo_Sb.AppendLine("Pu0rm6zhcTeYquWEuVCS7VtVsyTATr0Z9WhqNeZlIRurovJAXl2jRDX6QeY5dayC",li_BCrlf)
loo_Sb.AppendLine("ubwyG4lBWE4fCakGY6zlh+oaElK0rvblqjYoEg3dn4KPRCYGof8OFxLptHThD4cE",li_BCrlf)
loo_Sb.AppendLine("T30j+utVafhO0HRyJ4iR3Pigb4GXdWBtJEEEWddZJizMkjFQkyUAoYLOT8EJ2TW3",li_BCrlf)
loo_Sb.AppendLine("Tz8SvAuHBUEFcPWTSTMAG/bSp5wrYBTXaeEhx+wrYa60OruHuzgmhzKyQVuYlCNJ",li_BCrlf)
loo_Sb.AppendLine("HdbnassuIRjjSNo25o4AdSlWwpGfBZjAiyEInR+KGpHdhKTxSekJxiwiXUS0UfSG",li_BCrlf)
loo_Sb.AppendLine("prOpd5PzWaAR7DvjLsdmR9XffxvJCVxC735gLK7hDJKjCajDPHVDr8FSL8xMlrq0",li_BCrlf)
loo_Sb.AppendLine("nKxtsHeRl1yzoGrRr12+9MiQnHtpqROTNXcXdwe3v+Vh8V5k8v8oIrcgh1+/N7Bd",li_BCrlf)
loo_Sb.AppendLine("NiRsy1gFHBdu/he/KcDRT/9/acQFMPLQueGfZxUvU5As6pEONjtKX2MUg2fMF6Rc",li_BCrlf)
loo_Sb.AppendLine("sQVVrLzg0g7EcuHGfuPeKfD/716MvS8NU7rX+2soijCSQv/e18PJPMVDlcMXjnup",li_BCrlf)
loo_Sb.AppendLine("PPx1tStemesavFlj1okhS6UCAwEAAQ==",li_BCrlf)
loo_Sb.AppendLine("-----END PUBLIC KEY-----",li_BCrlf)

loo_Pubkey = create oleobject
li_rc = loo_Pubkey.ConnectToNewObject("Chilkat.PublicKey")

li_Success = loo_Pubkey.LoadFromString(loo_Sb.GetAsString())
if li_Success = 0 then
    Write-Debug loo_Pubkey.LastErrorText
    destroy loo_Json
    destroy loo_Dt
    destroy loo_Sb
    destroy loo_Pubkey
    return
end if

loo_Rsa = create oleobject
li_rc = loo_Rsa.ConnectToNewObject("Chilkat.Rsa")

li_Success = loo_Rsa.UsePublicKey(loo_Pubkey)
if li_Success = 0 then
    Write-Debug loo_Rsa.LastErrorText
    destroy loo_Json
    destroy loo_Dt
    destroy loo_Sb
    destroy loo_Pubkey
    destroy loo_Rsa
    return
end if

// 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)
loo_Rsa.EncodingMode = "base64url"

ls_EncryptedJson = loo_Rsa.EncryptStringENC(loo_Json.Emit(),0)

// Build the URL
// Such as:  https://portal.everyware.com/Account/LoginMenu?data={Base64Url_encrypted_JSON}
loo_SbUrl = create oleobject
li_rc = loo_SbUrl.ConnectToNewObject("Chilkat.StringBuilder")

loo_SbUrl.Append("https://portal.everyware.com/Account/LoginMenu?data=")
loo_SbUrl.Append(ls_EncryptedJson)

Write-Debug loo_SbUrl.GetAsString()


destroy loo_Json
destroy loo_Dt
destroy loo_Sb
destroy loo_Pubkey
destroy loo_Rsa
destroy loo_SbUrl