(PowerBuilder) bitzlato.com whoami

Demonstrates sending a request to the bitzlato.com whoami endpoint using an ES256 JWT token for authentication.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

integer li_rc
integer li_Success
oleobject loo_Jwk
oleobject loo_EccKey
oleobject loo_Jwt
oleobject loo_Jose
oleobject loo_Claims
integer li_CurDateTime
string ls_Jwt_token
oleobject loo_Http
string ls_ResponseStr

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

//  Use the following ECC key loaded from JWK format.
loo_Jwk = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_Jwk.ConnectToNewObject("Chilkat.JsonObject")
if li_rc < 0 then
    destroy loo_Jwk
    MessageBox("Error","Connecting to COM object failed")
    return
end if
li_Success = loo_Jwk.UpdateString("kty","EC")
li_Success = loo_Jwk.UpdateString("crv","P-256")
li_Success = loo_Jwk.UpdateString("x","...")
li_Success = loo_Jwk.UpdateString("y","...")
li_Success = loo_Jwk.UpdateString("d","...")

loo_EccKey = create oleobject
// Use "Chilkat_9_5_0.PrivateKey" for versions of Chilkat < 10.0.0
li_rc = loo_EccKey.ConnectToNewObject("Chilkat.PrivateKey")

li_Success = loo_EccKey.LoadJwk(loo_Jwk.Emit())
if li_Success = 0 then
    Write-Debug loo_EccKey.LastErrorText
    destroy loo_Jwk
    destroy loo_EccKey
    return
end if

loo_Jwt = create oleobject
// Use "Chilkat_9_5_0.Jwt" for versions of Chilkat < 10.0.0
li_rc = loo_Jwt.ConnectToNewObject("Chilkat.Jwt")

// Build the JOSE header
loo_Jose = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_Jose.ConnectToNewObject("Chilkat.JsonObject")

li_Success = loo_Jose.AppendString("format","compact")
li_Success = loo_Jose.AppendString("alg","ES256")

// Now build the JWT claims (also known as the payload)

// Our JWT claims will contain members as shown here:

// 	{
// 	  "email":"your_email@example.com",
// 	  "aud":"usr",
// 	  "iat":"1588286154",
// 	  "jti":"555D9123"
// 	}

loo_Claims = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_Claims.ConnectToNewObject("Chilkat.JsonObject")

loo_Claims.AppendString("jti","555D9123")
loo_Claims.AppendString("email","your_email@example.com")

// Set the timestamp of when the JWT was created to now minus 60 seconds
li_CurDateTime = loo_Jwt.GenNumericDate(-60)
li_Success = loo_Claims.AddIntAt(-1,"iat",li_CurDateTime)

// Set the "not process before" timestamp to now minus 60 seconds
li_Success = loo_Claims.AddIntAt(-1,"nbf",li_CurDateTime)

// Set the timestamp defining an expiration time (end time) for the token
// to be now + 1 hour (3600 seconds)
li_Success = loo_Claims.AddIntAt(-1,"exp",li_CurDateTime + 3600)

loo_Claims.AppendString("aud","usr")

// Produce the smallest possible JWT:
loo_Jwt.AutoCompact = 1

// Create the JWT token.  This is where the RSA signature is created.
ls_Jwt_token = loo_Jwt.CreateJwtPk(loo_Jose.Emit(),loo_Claims.Emit(),loo_EccKey)

Write-Debug ls_Jwt_token

// Send the HTTPS GET with the jwt_token used for Authorization.
loo_Http = create oleobject
// Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")

loo_Http.AuthToken = ls_Jwt_token
ls_ResponseStr = loo_Http.QuickGetStr("https://bitzlato.com/api/auth/whoami")
if loo_Http.LastMethodSuccess = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Jwk
    destroy loo_EccKey
    destroy loo_Jwt
    destroy loo_Jose
    destroy loo_Claims
    destroy loo_Http
    return
end if

Write-Debug "status code = " + string(loo_Http.LastStatus)
Write-Debug ls_ResponseStr


destroy loo_Jwk
destroy loo_EccKey
destroy loo_Jwt
destroy loo_Jose
destroy loo_Claims
destroy loo_Http