authorization_header = true;
$this->set_endpoint( 'access_token', 'https://www.instapaper.com/api/1/oauth/access_token', 'POST' );
$this->set_endpoint( 'verify', 'https://www.instapaper.com/api/1/account/verify_credentials', 'POST' );
$creds = $this->get_credentials();
$this->app_id = $creds['app_id'];
$this->key = $creds['key'];
$this->secret = $creds['secret'];
$this->consumer = new OAuthConsumer( $this->key, $this->secret, $this->callback_url );
$this->signature_method = new OAuthSignatureMethod_HMAC_SHA1;
$this->requires_token( true );
}
function basic_ui_intro() {
echo '
' . sprintf( __( 'To use the Instapaper API, you need to get manually approved. Apply here, then wait for a reply email.', 'keyring' ), 'http://www.instapaper.com/main/request_oauth_consumer_token' ) . '
';
echo '' . __( "Once you get approved, you'll get an email back with your details. Copy the OAuth consumer key value into the API Key field, and the OAuth consumer secret value into the API Secret field and click save (you don't need an App ID value for Instapaper).", 'keyring' ) . '
';
}
/**
* Mostly duplicated from HTTP Basic
*/
function request_ui() {
// Common Header
echo '';
screen_icon( 'ms-admin' );
echo '
' . __( 'Account Details', 'keyring' ) . '
';
// Handle errors
if ( isset( $_GET['error'] ) ) {
echo '
';
switch ( $_GET['error'] ) {
case '401':
echo '- ' . __( 'Your account details could not be confirmed, please try again.', 'keyring' ) . '
';
break;
case 'empty':
echo '- ' . __( 'Please make sure you enter a username and password.', 'keyring' ) . '
';
break;
}
echo '
';
}
// Even though it doesn't make too much sense, we support request tokens in HTTP Basic
// to ensure consistency with other services
$request_token = new Keyring_Request_Token(
$this->get_name(),
array(),
apply_filters(
'keyring_request_token_meta',
array(
'for' => isset( $_REQUEST['for'] ) ? (string) $_REQUEST['for'] : false
),
$this->get_name(),
array() // no token
)
);
$request_token = apply_filters( 'keyring_request_token', $request_token, $this );
$request_token_id = $this->store_token( $request_token );
Keyring_Util::debug( 'xAuth/Instapaper Stored Request token ' . $request_token_id );
echo apply_filters( 'keyring_' . $this->get_name() . '_request_ui_intro', '' );
// Output basic form for collecting user/pass
echo '
' . sprintf( __( 'Enter your username (or email address) and password for accessing %s:', 'keyring' ), $this->get_label() ) . '
';
echo '
';
echo '
';
?>get_name() ) ) {
Keyring::error( __( 'Invalid/missing verification nonce.', 'keyring' ) );
exit;
}
// Load up the request token that got us here and globalize it
if ( $_REQUEST['state'] ) {
global $keyring_request_token;
$state = (int) $_REQUEST['state'];
$keyring_request_token = $this->store->get_token( array( 'id' => $state, 'type' => 'request' ) );
Keyring_Util::debug( 'xAuth/Instapaper Loaded Request Token ' . $_REQUEST['state'] );
Keyring_Util::debug( $keyring_request_token );
// Remove request token, don't need it any more.
$this->store->delete( array( 'id' => $state, 'type' => 'request' ) );
}
if ( !strlen( $_POST['username'] ) ) {
$url = Keyring_Util::admin_url(
$this->get_name(),
array(
'action' => 'request',
'error' => 'empty',
'kr_nonce' => wp_create_nonce( 'keyring-request' )
)
);
Keyring_Util::debug( $url );
wp_safe_redirect( $url );
exit;
}
$body = array(
'x_auth_mode' => 'client_auth',
'x_auth_password' => $_POST['password'],
'x_auth_username' => $_POST['username'],
);
ksort( $body );
$this->set_token( new Keyring_Access_Token( $this->get_name(), null, array() ) );
$res = $this->request( $this->access_token_url, array( 'method' => $this->access_token_method, 'raw_response' => true, 'body' => $body ) );
Keyring_Util::debug( 'OAuth1 Access Token Response' );
Keyring_Util::debug( $res );
// We will get a 401 if they entered an incorrect user/pass combo. ::request
// will then return a Keyring_Error
if ( Keyring_Util::is_error( $res ) ) {
$url = Keyring_Util::admin_url(
$this->get_name(),
array(
'action' => 'request',
'error' => '401',
'kr_nonce' => wp_create_nonce( 'keyring-request' )
)
);
Keyring_Util::debug( $url );
wp_safe_redirect( $url );
exit;
}
parse_str( $res, $token );
$meta = array_merge( array( 'username' => $_POST['username'] ), $this->build_token_meta( $token ) );
$access_token = new Keyring_Access_Token(
$this->get_name(),
new OAuthToken( $token['oauth_token'], $token['oauth_token_secret'] ),
$meta
);
$access_token = apply_filters( 'keyring_access_token', $access_token );
// If we didn't get a 401, then we'll assume it's OK
$id = $this->store_token( $access_token );
$this->verified( $id, $keyring_request_token );
}
function parse_response( $response ) {
return json_decode( $response );
}
function build_token_meta( $token ) {
// Set the token so that we can make requests using it
$this->set_token(
new Keyring_Access_Token(
$this->get_name(),
new OAuthToken(
$token['oauth_token'],
$token['oauth_token_secret']
)
)
);
$response = $this->request( $this->verify_url, array( 'method' => $this->verify_method ) );
if ( Keyring_Util::is_error( $response ) ) {
$meta = array();
} else {
$meta = array(
'user_id' => $response[0]->user_id,
'username' => $response[0]->username,
'name' => $response[0]->username,
'_classname' => get_called_class(),
);
}
return apply_filters( 'keyring_access_token_meta', $meta, 'instapaper', $token, $response, $this );
}
function get_display( Keyring_Access_Token $token ) {
return $token->get_meta( 'username' );
}
function test_connection() {
$response = $this->request( $this->verify_url, array( 'method' => $this->verify_method ) );
if ( !Keyring_Util::is_error( $response ) )
return true;
return $response;
}
}
add_action( 'keyring_load_services', array( 'Keyring_Service_Instapaper', 'init' ) );