Ruby

X.com OAuth 2.0 Refresh Access Token

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Demonstrates how to get an X.com OAuth2 access token from a desktop application or script. Ruby

require 'chilkat'

success = false

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

jsonToken = Chilkat::CkJsonObject.new()
success = jsonToken.LoadFile("qa_data/tokens/x.json")
if (success != true)
    print "Failed to load x.json" + "\n";
    exit
end

# The access token JSON looks something like this:

# {
#   "token_type": "bearer",
#   "expires_in": 7200,
#   "access_token": "VmNDLVZiYUZwejY5Mkx3RblFTmo3ek1leTRGclMuZFVOUTVUTWpNbVZKb1N5OjE3NDAxNjk4MDVxNTE6MToxOaF0OjE",
#   "scope": "block.read follows.read offline.access tweet.write block.write like.write like.read users.read tweet.read follows.write",
#   "refresh_token": "eThOWVVFSTRqdVp3QTFndGsxM2ZGZmFyNWVrU0phM1JKbGdrbGNWRGJzb1loOjE3NDAwMjk4MDUxNTI6MTowOnJ0OjE"
# }

oauth2 = Chilkat::CkOAuth2.new()

oauth2.put_TokenEndpoint("https://api.x.com/2/oauth2/token")

# Replace this with your actual X.com OAuth2 Client ID and Client Secret
oauth2.put_ClientId("OAUTH2_CLIENT_ID")
oauth2.put_ClientSecret("OAUTH2_CLIENT_SECRET")

# Get the "refresh_token"
oauth2.put_RefreshToken(jsonToken.stringOf("refresh_token"))

# Send the HTTP POST to refresh the access token..
success = oauth2.RefreshAccessToken()
if (success != true)
    print oauth2.lastErrorText() + "\n";
    exit
end

# Load the access token response into the json object 
jsonToken.Load(oauth2.accessTokenResponse())

# If an "expires_on" member does not exist, then add the JSON member by
# getting the current system date/time and adding the "expires_in" seconds.
# This way we'll know when the token expires.
if (jsonToken.HasMember("expires_on") == false)
    dtExpire = Chilkat::CkDateTime.new()
    dtExpire.SetFromCurrentSystemTime()
    dtExpire.AddSeconds(jsonToken.IntOf("expires_in"))
    jsonToken.AppendString("expires_on",dtExpire.getAsUnixTimeStr(false))
end

# Save the new JSON access token response to a file.
# The access + refresh tokens contained in this JSON will be needed for the next refresh.
sbJson = Chilkat::CkStringBuilder.new()
jsonToken.put_EmitCompact(false)
jsonToken.EmitSb(sbJson)
sbJson.WriteFile("qa_data/tokens/x.json","utf-8",false)

print "OAuth2 authorization granted!" + "\n";
print "New Access Token = " + oauth2.accessToken() + "\n";