(Ruby) bitzlato.com whoami

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

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# 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.
jwk = Chilkat::CkJsonObject.new()
success = jwk.UpdateString("kty","EC")
success = jwk.UpdateString("crv","P-256")
success = jwk.UpdateString("x","...")
success = jwk.UpdateString("y","...")
success = jwk.UpdateString("d","...")

eccKey = Chilkat::CkPrivateKey.new()
success = eccKey.LoadJwk(jwk.emit())
if (success == false)
    print eccKey.lastErrorText() + "\n";
    exit
end

jwt = Chilkat::CkJwt.new()

# Build the JOSE header
jose = Chilkat::CkJsonObject.new()
success = jose.AppendString("format","compact")
success = 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"
# 	}

claims = Chilkat::CkJsonObject.new()
claims.AppendString("jti","555D9123")
claims.AppendString("email","your_email@example.com")

# Set the timestamp of when the JWT was created to now minus 60 seconds
curDateTime = jwt.GenNumericDate(-60)
success = claims.AddIntAt(-1,"iat",curDateTime)

# Set the "not process before" timestamp to now minus 60 seconds
success = claims.AddIntAt(-1,"nbf",curDateTime)

# Set the timestamp defining an expiration time (end time) for the token
# to be now + 1 hour (3600 seconds)
success = claims.AddIntAt(-1,"exp",curDateTime + 3600)

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

# Produce the smallest possible JWT:
jwt.put_AutoCompact(true)

# Create the JWT token.  This is where the RSA signature is created.
jwt_token = jwt.createJwtPk(jose.emit(),claims.emit(),eccKey)

print jwt_token + "\n";

# Send the HTTPS GET with the jwt_token used for Authorization.
http = Chilkat::CkHttp.new()
http.put_AuthToken(jwt_token)
responseStr = http.quickGetStr("https://bitzlato.com/api/auth/whoami")
if (http.get_LastMethodSuccess() == false)
    print http.lastErrorText() + "\n";
    exit
end

print "status code = " + http.get_LastStatus().to_s() + "\n";
print responseStr + "\n";