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PHP Extension Examples

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(PHP Extension) ETrade OAuth1 Authorization (3-legged) Step 2

Demonstrates the final step in 3-legged OAuth1 authorization for the ETrade REST API. Example uses the OAuth1 verifier code that was copy-and-pasted from the browser in the 1st step. The end result of this final OAuth1 step is an access token that can be used to make ETrade REST API calls. (See https://developer.etrade.com/ctnt/dev-portal/getDetail?contentUri=V0_Documentation-AuthorizationAPI-GetAccessToken )

This example uses the sandbox access token URL. The live access token URL would be "https://etws.etrade.com/oauth/access_token".

Note: Requires Chilkat v9.5.0.64 or later.

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<?php

// The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number.
// For example, if using Chilkat v9.5.0.48, then include as shown here:
include("chilkat_9_5_0.php");

//  Requires Chilkat v9.5.0.64 or later.

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

$consumerKey = 'ETRADE_CONSUMER_KEY';
$consumerSecret = 'ETRADE_CONSUMER_SECRET';

$requestTokenUrl = 'https://etwssandbox.etrade.com/oauth/request_token';
$authorizeUrl = 'https://us.etrade.com/e/t/etws/authorize';
$accessTokenUrl = 'https://etwssandbox.etrade.com/oauth/access_token';

$http = new CkHttp();
$success = true;

$http->put_OAuth1(true);
$http->put_OAuthConsumerKey($consumerKey);
$http->put_OAuthConsumerSecret($consumerSecret);
$http->put_OAuthCallback('oob');

$jsonRequestToken = new CkJsonObject();
$success = $jsonRequestToken->LoadFile('qa_data/tokens/etrade_request_token.json');
$requestToken = $jsonRequestToken->stringOf('oauth_token');
$requestTokenSecret = $jsonRequestToken->stringOf('oauth_token_secret');

//  ------------------------------------------------------------------------------
//  Exchange the OAuth Request Token for an OAuth Access Token.

$http->put_OAuthToken($requestToken);
$http->put_OAuthTokenSecret($requestTokenSecret);

//  This is the verifier that was interactively copy-and-pasted from the browser back to our app.
$http->put_OAuthVerifier('MFREP');

// resp is a CkHttpResponse
$resp = $http->QuickGetObj($accessTokenUrl);
if ($http->get_LastMethodSuccess() != true) {
    print $http->lastErrorText() . "\n";
    exit;
}

//  Make sure a successful response was received.
if ($resp->get_StatusCode() != 200) {
    print $resp->statusLine() . "\n";
    print $resp->header() . "\n";
    print $resp->bodyStr() . "\n";
    exit;
}

//  If successful, the resp.BodyStr contains something like this:
//  oauth_token=85123455-fF41296Bi3daM8eCo9Y5vZabcdxXpRv864plYPOjr&oauth_token_secret=afiYJOgabcdSfGae7BDvJVVTwys8fUGpra5guZxbmFBZo
print $resp->bodyStr() . "\n";

$hashTab = new CkHashtable();
$hashTab->AddQueryParams($resp->bodyStr());

$accessToken = $hashTab->lookupStr('oauth_token');
$accessTokenSecret = $hashTab->lookupStr('oauth_token_secret');

//  The access token + secret is what should be saved and used for
//  subsequent REST API calls.
print 'Access Token = ' . $accessToken . "\n";
print 'Access Token Secret = ' . $accessTokenSecret . "\n";

//  Save this access token for future calls.
//  Just in case we need user_id and screen_name, save those also..
$json = new CkJsonObject();
$json->AppendString('oauth_token',$accessToken);
$json->AppendString('oauth_token_secret',$accessTokenSecret);

$fac = new CkFileAccess();
$fac->WriteEntireTextFile('qa_data/tokens/etrade.json',$json->emit(),'utf-8',false);

print 'Success.' . "\n";

?>

 

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