public function makeRequest($method, $service, $header = array(), $body = null, $options = array())
{
$settings = new SBTSettings();
$store = SBTCredentialStore::getInstance();
$server = $settings->getURL($this->endpointName);
if ($settings->getAuthenticationMethod($this->endpointName) == "basic") {
$endpoint = new SBTBasicAuthEndpoint();
} else {
if ($settings->getAuthenticationMethod($this->endpointName) == "oauth2") {
$endpoint = new SBTOAuth2Endpoint();
} else {
if ($settings->getAuthenticationMethod($this->endpointName) == "oauth1") {
$endpoint = new SBTOAuth1Endpoint();
}
}
}
// Make request
$response = $endpoint->makeRequest($settings->getURL($this->endpointName), $service, $method, $options, $body, $header, $this->endpointName);
$this->document = $response->getBody(TRUE);
$this->_parseXML();
return $this->document;
}
/**
* Routes requests.
*
* @param string server The URL of the server to which to re-direct the request to. Uses SBTSettings if none given.
*/
public function route($server = null)
{
$this->loadModel('SBTSettings');
$this->loadModel('SBTCredentialStore');
$proxyHelper = new SBTProxyHelper();
$store = SBTCredentialStore::getInstance();
$settings = new SBTSettings();
$endpointName = $proxyHelper->determineEndpoint();
if (!isset($_REQUEST["_redirectUrl"])) {
// Request to check if the user is authenticated
if (isset($_REQUEST["isAuthenticated"])) {
$_REQUEST["_redirectUrl"] = '/files/basic/api/myuserlibrary/feed';
//used to be /connections/files/basic/api/myuserlibrary/feed
$_SERVER['REQUEST_METHOD'] = 'GET';
} else {
if (isset($_REQUEST["basicAuthLogout"])) {
// Logout request
$store->deleteBasicAuthCredentials($endpointName);
}
}
if (isset($_REQUEST["OAuthLogout"])) {
$store->deleteOAuthCredentials($endpointName);
$timestamp = time();
unset($_COOKIE['IBMSBTKOAuthLogin']);
setcookie('IBMSBTKOAuthLogin', "", $timestamp - 604800);
return;
} else {
return;
}
if (isset($_REQUEST["basicAuthLogout"])) {
return;
}
}
// Handle any file operations
// If file operations exist, then control flow
// will be interrupted and route() will be called
// again
if ($this->fileOperations()) {
return;
}
$url = $_REQUEST["_redirectUrl"];
$url = str_replace("/connections/", "", $url);
if (isset($_REQUEST['basicAuthRequest']) && $_REQUEST['basicAuthRequest'] == 'true') {
$store->storeBasicAuthUsername($_POST['username'], $endpointName);
$store->storeBasicAuthPassword($_POST['password'], $endpointName);
$result = array('status' => 200, 'result' => true);
print_r(json_encode($result));
return;
}
$method = $_SERVER['REQUEST_METHOD'];
$options = $proxyHelper->getOptions();
$response = null;
$body = file_get_contents('php://input');
$endpoint = null;
if ($server == null) {
$server = $settings->getURL($endpointName);
}
$method = $_SERVER['REQUEST_METHOD'];
$forwardHeader = $proxyHelper->getHeader($method);
if ($settings->getAuthenticationMethod($endpointName) == "basic") {
$endpoint = new SBTBasicAuthEndpoint();
} else {
if ($settings->getAuthenticationMethod($endpointName) == "oauth2") {
$endpoint = new SBTOAuth2Endpoint();
} else {
if ($settings->getAuthenticationMethod($endpointName) == "oauth1") {
$endpoint = new SBTOAuth1Endpoint();
}
}
}
$url = $proxyHelper->cleanURL($url, $server);
// Make request
$response = $endpoint->makeRequest($server, $url, $method, $options, $body, $forwardHeader, $endpointName);
// Print response
$proxyHelper->outputResponse($response, $url);
}
/**
* Returns the block contents.
*
* @return stdClass Block content.
*/
public function get_content()
{
if ($this->content !== null) {
return $this->content;
}
$this->content = new stdClass();
if (!isset($this->config->plugin) || $this->config->plugin == '') {
return $this->content;
}
if (isset($this->config->plugin)) {
ob_start();
// Load dependencies
if (!defined('BASE_LOCATION')) {
$autoload = __DIR__ . '/core/autoload.php';
include $autoload;
}
$this->loadModel('SBTSettings');
$this->loadModel('SBTCredentialStore');
$settings = new SBTSettings();
$store = SBTCredentialStore::getInstance();
global $CFG;
global $USER;
$blockPath = $CFG->dirroot . '/blocks/ibmsbt/';
// Our default assumption is that user supplies incorrect credentials; only if
// the test request shows a 401 do we change this flag
$incorrectCredentials = false;
// If the user clicked "login", then trigger the OAuth dance
if (isset($_COOKIE['IBMSBTKOAuthLogin']) && $_COOKIE['IBMSBTKOAuthLogin'] == 'yes' && $store->getOAuthAccessToken($this->config->endpoint) == null) {
if ($settings->getAuthenticationMethod($this->config->endpoint) == 'oauth1' || $settings->getAuthenticationMethod($this->config->endpoint) == 'oauth2') {
$store->deleteOAuthCredentials($this->config->endpoint);
$this->_startOAuthDance($settings);
$this->content->text = ob_get_clean();
return;
}
}
// Check if token expired. If yes, clear the credential store and load login display
if (($settings->getAuthenticationMethod($this->config->endpoint) == 'oauth1' || $settings->getAuthenticationMethod($this->config->endpoint) == 'oauth2') && $store->getOAuthAccessToken($this->config->endpoint) != null) {
$endpoint = null;
if ($settings->getAuthenticationMethod($this->config->endpoint) == "oauth2") {
$endpoint = new SBTOAuth2Endpoint();
} else {
if ($settings->getAuthenticationMethod($this->config->endpoint) == "oauth1") {
$endpoint = new SBTOAuth1Endpoint();
}
}
$service = '/files/basic/api/myuserlibrary/feed';
$response = $endpoint->makeRequest($settings->getURL($this->config->endpoint), $service, 'GET', array(), null, null, $this->config->endpoint);
if (is_string($response)) {
echo response;
$this->content->text = ob_get_clean();
return;
} else {
if ($response->getStatusCode() == 401) {
// Delete old credentials.
$store->deleteOAuthCredentials($this->config->endpoint);
}
}
} else {
$endpoint = new SBTBasicAuthEndpoint();
$service = '/files/basic/api/myuserlibrary/feed';
$response = $endpoint->makeRequest($settings->getURL($this->config->endpoint), $service, 'GET', array(), null, null, $this->config->endpoint);
if ($response->getStatusCode() == 401) {
// Delete old credentials.
$store->deleteBasicAuthCredentials($this->config->endpoint);
if ($store->getBasicAuthPassword($this->config->endpoint) != null) {
$incorrectCredentials = true;
}
}
}
echo '<div name="ibm_sbtk_widget">';
if (($settings->getAuthenticationMethod($this->config->endpoint) == 'oauth1' || $settings->getAuthenticationMethod($this->config->endpoint) == 'oauth2') && $store->getOAuthAccessToken($this->config->endpoint) == null && (!isset($_COOKIE['IBMSBTKOAuthLogin']) || $_COOKIE['IBMSBTKOAuthLogin'] != 'yes')) {
if (isloggedin() === false || !isset($USER->id) || $USER->id === null) {
if (!$incorrectCredentials) {
print get_string('please_login', 'block_ibmsbt');
} else {
print get_string('incorrect_credentials', 'block_ibmsbt');
}
} else {
require $blockPath . '/core/views/oauth-login-display.php';
}
echo '</div>';
$this->content->text = ob_get_clean();
return;
}
$plugin = new SBTPlugin($this->config->endpoint);
$plugin->createHeader();
if ($settings->getAuthenticationMethod($this->config->endpoint) == 'basic' && $store->getBasicAuthUsername($this->config->endpoint) != null && $store->getBasicAuthPassword($this->config->endpoint) != null || $settings->getAuthenticationMethod($this->config->endpoint) == 'oauth1' && $store->getRequestToken($this->config->endpoint) != null || $settings->getAuthenticationMethod($this->config->endpoint) == 'basic' && $settings->getBasicAuthMethod($this->config->endpoint) == 'global' || $settings->getAuthenticationMethod($this->config->endpoint) == 'oauth2' && $store->getOAuthAccessToken($this->config->endpoint) != null) {
if (isloggedin()) {
if (IBM_SBT_CRYPTO_ENABLED === false && IBM_SBT_DEMO_MODE === false) {
echo '<strong style="color: red;">WARNING: Your data is not encrypted. Please install php-mcrypt to secure your data.</strong><br/>';
}
require $this->config->plugin;
}
if ($settings->getAuthenticationMethod($this->config->endpoint) == 'basic') {
// require $blockPath . '/core/views/endpoint-logout.php'; // Uncomment to show logout button
// echo '<button onclick="ibm_sbt_endpoint_logout()">Logout from this Endpoint</button>'; // Uncomment to show logout button
}
}
if ($settings->getAuthenticationMethod($this->config->endpoint) == 'basic' && ($settings->getBasicAuthMethod($this->config->endpoint) == 'prompt' || $settings->getBasicAuthMethod($this->config->endpoint) == 'profile') && $store->getBasicAuthUsername($this->config->endpoint) == null) {
if (!isloggedin()) {
print get_string('please_login', 'block_ibmsbt');
echo '</div>';
$this->content->text = ob_get_clean();
return $this->content;
} else {
require $blockPath . '/core/views/basic-auth-login-display.php';
}
} else {
if ($settings->getAuthenticationMethod($this->config->endpoint) == 'oauth1' || $settings->getAuthenticationMethod($this->config->endpoint) == 'oauth2') {
// require_once BASE_PATH . '/views/oauth-logout-display.php'; TODO: Uncomment when OAuth logout has been fixed
}
}
if (($settings->getAuthenticationMethod($this->config->endpoint) == 'oauth1' || $settings->getAuthenticationMethod($this->config->endpoint) == 'oauth2') && $store->getOAuthAccessToken($this->config->endpoint) != null) {
// require $blockPath . '/core/views/endpoint-logout.php'; Uncomment to show logout button
// echo '<button onclick="ibm_sbt_endpoint_logout()">Logout from this Endpoint</button>'; Uncomment to show logout button
}
echo '</div>';
if (!isloggedin()) {
print get_string('please_login', 'block_ibmsbt');
}
$this->content->text = ob_get_clean();
} else {
$this->content->text = get_string('please_login', 'block_ibmsbt');
}
return $this->content;
}
/**
* Outputs the content of the widget.
*
* @param array $args
* @param array $instance
*/
public function widget($args, $instance)
{
$settings = new SBTSettings();
$store = SBTCredentialStore::getInstance();
if (isset($instance['ibm-sbtk-endpoint'])) {
$this->endpoint = $instance['ibm-sbtk-endpoint'];
} else {
$this->endpoint = "connections";
}
if (!$this->_isUserLoggedIn()) {
// Add && $settings->requireSignOn($this->endpoint) to enable both anon and non-anon access
echo '<div class="widget-area" style="width: 100%;"><aside class="widget widget_recent_entries"><h3 class="widget-title">' . $this->widget_name . '</h3>';
echo '' . $GLOBALS[LANG]['must_login'] . '</aside></div>';
return;
}
// If tokens exist, make sure that they are valid. Otherwise clear the store and force the
// user to re-log
if (($settings->getAuthenticationMethod($this->endpoint) == 'oauth1' || $settings->getAuthenticationMethod($this->endpoint) == 'oauth2') && $store->getOAuthAccessToken($this->endpoint) != null) {
$endpoint = null;
if ($settings->getAuthenticationMethod($this->endpoint) == "oauth2") {
$endpoint = new SBTOAuth2Endpoint();
} else {
if ($settings->getAuthenticationMethod($this->endpoint) == "oauth1") {
$endpoint = new SBTOAuth1Endpoint();
}
}
$service = '/files/basic/api/myuserlibrary/feed';
$response = $endpoint->makeRequest($settings->getURL($this->endpoint), $service, 'GET', array(), null, null, $this->endpoint);
if ($response->getStatusCode() == 401) {
$store->deleteOAuthCredentials($this->endpoint);
setcookie('IBMSBTKOAuthLogin', "", $timestamp - 604800);
require BASE_PATH . '/core/views/oauth-login-display.php';
}
} else {
$endpoint = new SBTBasicAuthEndpoint();
$service = '/files/basic/api/myuserlibrary/feed';
$response = $endpoint->makeRequest($settings->getURL($this->endpoint), $service, 'GET', array(), null, null, $this->endpoint);
if ($response->getStatusCode() == 401) {
// Delete old credentials.
$store->deleteBasicAuthCredentials($this->endpoint);
}
}
echo '<div name="ibm_sbtk_widget" class="widget-area" style="width:100%"><aside class="widget widget_recent_entries">';
echo '<h3 class="widget-title">' . $this->widget_name . '</h3>';
if (($settings->getAuthenticationMethod($this->endpoint) == 'oauth1' || $settings->getAuthenticationMethod($this->endpoint) == 'oauth2') && $store->getOAuthAccessToken($this->endpoint) == null && (!isset($_COOKIE['IBMSBTKOAuthLogin']) || $_COOKIE['IBMSBTKOAuthLogin'] != 'yes') && !$this->_isUserLoggedIn()) {
require BASE_PATH . '/core/views/oauth-login-display.php';
echo '</aside></div>';
return;
}
$plugin = new SBTPlugin($this->endpoint);
if ($settings->getAuthenticationMethod($this->endpoint) == 'basic' && $store->getBasicAuthUsername($this->endpoint) != null && $store->getBasicAuthPassword($this->endpoint) != null || $settings->getAuthenticationMethod($this->endpoint) == 'oauth1' && $store->getRequestToken($this->endpoint) != null || $settings->getAuthenticationMethod($this->endpoint) == 'basic' && $settings->getBasicAuthMethod($this->endpoint) == 'global' || $settings->getAuthenticationMethod($this->endpoint) == 'oauth2' && $store->getOAuthAccessToken($this->endpoint) != null) {
require $this->widget_location;
}
if ($settings->getAuthenticationMethod($this->endpoint) == 'basic' && $settings->getBasicAuthMethod($this->endpoint) == 'prompt' && $store->getBasicAuthPassword($this->endpoint) == null) {
require_once BASE_PATH . '/views/basic-auth-login-display.php';
} else {
if ($settings->getAuthenticationMethod($this->endpoint) == 'oauth1' || $settings->getAuthenticationMethod($this->endpoint) == 'oauth2') {
// require_once BASE_PATH . '/views/oauth-logout-display.php'; TODO: Uncomment when OAuth logout has been fixed
}
}
echo '</aside></div>';
}
