php-tent-client (v.0.1a)

A client implementation of the Tent.io protocol, with a test console for exploring server contents.

For a server implementation in PHP, check out php-tent-server.

If you'd like to be a contributor, checkout the TODO, then e-mail us to find out what we need help with. Thanks!

Requirements

PHP 5.2.4 or greater
cURL extension, or write your own implementation of TentIO_AbstractHttp

Installation

If you're using a framework that satisfies PSR-0, then all you need to do is add TentIO/** to your project's lib folder.

If you're not using any of these frameworks, a simple autoloader will suffice:

function tentio_autoload($className) {
  $className = ltrim($className, '\\');
  $fileName  = '';
  $namespace = '';
  if ($lastNsPos = strripos($className, '\\')) {
    $namespace = substr($className, 0, $lastNsPos);
    $className = substr($className, $lastNsPos + 1);
    $fileName  = str_replace('\\', DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR;
  }
  $fileName .= str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';

  require 'path/to/php-tent-client/lib/'.$fileName;
}

spl_autoload_register('tentio_autoload');

Support for composer is coming soon.

Usage

First, you'll need to initialize your $app object using the Entity URI of the user to whom you wish to connect.

You'll also need to provide meta data that describes your App to the server you'll be connecting to - name, description, url, and icon provide information that appears in your App's users' Tent profiles.

Finally, you'll need to configure the client with redirect_uris and scopes. These features explain to the user's Tent server what your App will be doing with the user's data, and how the user will authenticate (oAuth workflow style).

The resulting code will look something like this:

$entity = 'https://collegeman.tent.is';

$app = new TentIO_App($entity, array(
  'name' => 'FooApp',
  'description' => 'Does amazing foos with your data',
  'url' => 'http://example.com',
  'icon' => 'http://example.com/icon.png',
  'redirect_uris' => array( 
    'https://app.example.com/tent/callback'
  ),
  'scopes' => array(
    'write_profile': 'Uses an app profile section to describe foos',
    'read_followings': 'Calculates foos based on your followings'
  )
));

If left undefined, redirect_uris will be set to an array containing only one URL: the URL of the current request. And scopes, if left undefined, will include all of the scopes proposed by the Tent.io protocol.

The next step is to register your client with the user's server.

$response = $app->register();
if (!$response->isError()) {
  $config = $app->getConfig();
} else {
  // for debugging
  $response->getErrorCode(); // the HTTP status
  $response->getRawBody(); // the raw HTTP response
  $response->getHeaders(); // HTTP headers
}

The contents of $config will look like this:

Array
(
  [name] => php-tent-client
  [description] => The PHP client library for Tent.io
  [tent_profile_info_types] => all
  [tent_post_types] => all
  [id] => ibor21
  [mac_key_id] => a:ffb757da
  [mac_key] => ab4634e2cb354c6ed334af09d6fb563f
  [mac_algorithm] => hmac-sha-256
  [servers] => array(
    'https://collegeman.tent.is/tent'
  )
)

You'll want to store this data somewhere and relate it back to the user's Entity URI. For example, our console app uses the PHP session to store these values, but your app will probably want to store them someplace a little more persistent (like in a database).

$response = $app->register()
if (!$response->isError()) {
  session_start();
  $_SESSION[$entity]['app'] = $app->getConfig();
}

Once stored, you can intialize your request object in future requests using the stored configuration, skipping registration.

session_start();
$entity = "https://collegeman.tent.is";
$request = new TentIO_App($entity, $_SESSION[$entity]['app']);

The next step is to have the user log in, authorizing your app. Authentication begins by redirecting the user to his Tent server to login:

$url = $app->getLoginUrl();
header('Location: $url');

Exploring With the Console

Creating Your Own App

Scopes, Profile Info Types, and Post Types

Credits

Thanks to everyone who supported the development of this client.

beberlei - For bringing to our attention the PHP-FIG, PSR-0, and Composer

Licensing

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

collegeman/php-tent-client