owncloud/core

$(document).ready(function() {

    function displayGranted($tr) {
        $tr.find('.configuration input.auth-param').attr('disabled', 'disabled').addClass('disabled-success');
    }

    OCA.External.Settings.mountConfig.whenSelectAuthMechanism(function($tr, authMechanism, scheme, onCompletion) {
        if (authMechanism === 'oauth2::oauth2') {
            var config = $tr.find('.configuration');
            config.append($(document.createElement('input'))
                .addClass('button auth-param')
                .attr('type', 'button')
                .attr('value', t('files_external', 'Grant access'))
                .attr('name', 'oauth2_grant')
            );

            onCompletion.then(function() {
                var configured = $tr.find('[data-parameter="configured"]');
                if ($(configured).val() == 'true') {
                    displayGranted($tr);
                } else {
                    var client_id = $tr.find('.configuration [data-parameter="client_id"]').val();
                    var client_secret = $tr.find('.configuration [data-parameter="client_secret"]').val();

                    var params = {};
                    window.location.href.replace(/[?&]+([^=&]+)=([^&]*)/gi, function(m, key, value) {
                        params[key] = value;
                    });

                    if (
                        params.code !== undefined
                        && typeof client_id === "string"
                        && client_id !== ''
                        && typeof client_secret === "string"
                        && client_secret !== ''
                    ) {
                        $tr.find('.configuration').trigger('oauth_step2', [{
                            backend_id: $tr.attr('class'),
                            client_id: client_id,
                            client_secret: client_secret,
                            redirect: location.protocol + '//' + location.host + location.pathname + '?sectionid=storage',
                            tr: $tr,
                            code: params.code || ''
                        }]);
                    }
                }
            });
        }
    });

    $('#externalStorage').on('click', '[name="oauth2_grant"]', function(event) {
        event.preventDefault();
        var tr = $(this).parent().parent();
        var client_id = $(this).parent().find('[data-parameter="client_id"]').val();
        var client_secret = $(this).parent().find('[data-parameter="client_secret"]').val();
        
        if (client_id !== '' && client_secret !== '') {
            var button = $(event.target);
            button.prop('disabled', true);

            tr.one('oauth_step1_finished', function(event, data){
                if (!data['success']) {
                    button.prop('disabled', false);
                }
            });

            tr.find('.configuration').trigger('oauth_step1', [{
                backend_id: tr.attr('class'),
                client_id: client_id,
                client_secret: client_secret,
                redirect: location.protocol + '//' + location.host + location.pathname + '?sectionid=storage',
                tr: tr
            }]);
        }
    });

});