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(Ruby) GeoOp Exchange Refresh Token for New Access Token

Demonstrates how to use the /oauth2/token endpoint to exchange it for a new access token once the current access token has expired.

Note: This example requires Chilkat v9.5.0.65 or greater.

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Ruby Library for Linux and MAC OS X

require 'chilkat'

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

# This example also assumes that OAuth2 access and refresh tokens were previously fetched.
# and saved in a JSON file.  

# First get our previously obtained refresh token.
# { .... "refresh_token":"e6dqdG....mzjpT04w==", .... }
jsonToken = Chilkat::CkJsonObject.new()
success = jsonToken.LoadFile("qa_data/tokens/geoop.json")

rest = Chilkat::CkRest.new()

# Connect to GeoOp...
bAutoReconnect = true
success = rest.Connect("login.geoop.com",443,true,bAutoReconnect)
if (success != true)
    print rest.lastErrorText() + "\n";
    exit
end

# Set the X-Version header.
rest.AddHeader("X-Version","1.0")

# Provide the required form params to get the new access token
print "refresh_token = " + jsonToken.stringOf("refresh_token") + "\n";
rest.AddQueryParam("refresh_token",jsonToken.stringOf("refresh_token"))
rest.AddQueryParam("grant_type","refresh_token")
rest.AddQueryParam("client_id","GEOOP-CLIENT-ID")
rest.AddQueryParam("client_secret","GEOOP-CLIENT-SECRET")

responseBody = rest.fullRequestFormUrlEncoded("POST","/oauth2/token")
if (rest.get_LastMethodSuccess() != true)
    print rest.lastErrorText() + "\n";
    exit
end

# If the response status code did not indicate success, then see what happened..
if (rest.get_ResponseStatusCode() != 200)
    print "Request Header: " + "\n";
    print rest.lastRequestHeader() + "\n";
    print "----" + "\n";
    print "Response StatusCode = " + rest.get_ResponseStatusCode().to_s() + "\n";
    print "Response StatusLine: " + rest.responseStatusText() + "\n";
    print "Response Header:" + "\n";
    print rest.responseHeader() + "\n";
    print responseBody + "\n";
    exit
end

json = Chilkat::CkJsonObject.new()
json.put_EmitCompact(false)
json.Load(responseBody)

# Show the full JSON response.  It should contain the new access token...
print json.emit() + "\n";

 

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