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B4X

Configure OAuth 1.0a Authentication for REST

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Demonstrates Rest.SetAuthOAuth1, which associates an OAuth1 provider so Chilkat computes the OAuth 1.0/1.0a signature for each request. The second argument selects whether OAuth parameters are placed in the query string or the Authorization header.

Background. OAuth 1.0a signs each request using the consumer key/secret and the access token/secret. Chilkat generates the nonce, timestamp, and signature automatically for every request sent through the object.

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B4X
Dim success As Boolean = False

Dim rest As ChilkatRest
rest.Initialize("rest")
Dim bTls As Boolean = True
Dim bAutoReconnect As Boolean = True
success = rest.Connect("example.com", 443, bTls, bAutoReconnect)
If success = False Then
    Log(rest.LastErrorText)
    Return
End If


'  Configure OAuth 1.0a request signing.  Provide the consumer credentials and the access token
'  credentials; Chilkat computes the OAuth signature for each request.
Dim oauth1 As ChilkatOAuth1
oauth1.Initialize
'  Normally you would not hard-code secrets in source.  You should instead obtain them from an
'  interactive prompt, environment variable, or a secrets vault.
oauth1.ConsumerKey = "CONSUMER_KEY"
oauth1.ConsumerSecret = "CONSUMER_SECRET"
oauth1.Token = "ACCESS_TOKEN"
oauth1.TokenSecret = "ACCESS_TOKEN_SECRET"
oauth1.SignatureMethod = "HMAC-SHA1"

'  The 2nd argument selects whether OAuth parameters are placed in the query string (True) or the
'  Authorization header (False).
Dim bUseQueryParams As Boolean = False
success = rest.SetAuthOAuth1(oauth1, bUseQueryParams)
If success = False Then
    Log(rest.LastErrorText)
    Return
End If


Dim responseText As String = rest.FullRequestNoBody("GET", "/api/resource")
If rest.LastMethodSuccess = False Then
    Log(rest.LastErrorText)
    Return
End If

Log(responseText)