<?php class BufferApp { private $client_id; private $client_secret; private $code; public $access_token; private $callback_url; private $authorize_url = 'https://bufferapp.com/oauth2/authorize'; private $access_token_url = 'https://api.bufferapp.com/1/oauth2/token.json'; private $buffer_url = 'https://api.bufferapp.com/1'; public $ok = false; private $endpoints = array( '/user' => 'get', '/profiles' => 'get', '/profiles/:id' => 'get', '/profiles/:id/schedules' => 'get', '/profiles/:id/schedules/update' => 'post', // Array schedules [0][days][]=mon, [0][times][]=12:00 '/updates/:id' => 'get', '/profiles/:id/updates/pending' => 'get', '/profiles/:id/updates/sent' => 'get', '/updates/:id/interactions' => 'get', '/profiles/:id/updates/reorder' => 'post', // Array order, int offset, bool utc '/profiles/:id/updates/shuffle' => 'post', '/updates/create' => 'post', // String text, Array profile_ids, Aool shorten, Bool now, Array media ['link'], ['description'], ['picture'] '/updates/:id/update' => 'post', // String text, Bool now, Array media ['link'], ['description'], ['picture'], Bool utc '/updates/:id/share' => 'post', '/updates/:id/destroy' => 'post', '/updates/:id/move_to_top' => 'post', '/links/shares' => 'get', '/info/configuration' => 'get', ); public $errors = array( 'invalid-endpoint' => 'The endpoint you supplied does not appear to be valid.', '403' => 'Permission denied.', '404' => 'Endpoint not found.', '405' => 'Method not allowed.', '1000' => 'An unknown error occurred.', '1001' => 'Access token required.', '1002' => 'Not within application scope.', '1003' => 'Parameter not recognized.', '1004' => 'Required parameter missing.', '1005' => 'Unsupported response format.', '1006' => 'Parameter value not within bounds.', '1010' => 'Profile could not be found.', '1011' => 'No authorization to access profile.', '1012' => 'Profile did not save successfully.', '1013' => 'Profile schedule limit reached.', '1014' => 'Profile limit for user has been reached.', '1015' => 'Profile could not be destroyed.', '1016' => 'Profile buffer could not be emptied.', '1020' => 'Update could not be found.', '1021' => 'No authorization to access update.', '1022' => 'Update did not save successfully.', '1023' => 'Update limit for profile has been reached.', '1024' => 'Update limit for team profile has been reached.', '1025' => "Update was recently posted, can't post duplicate content.", '1026' => 'Update must be in error status to requeue.', '1027' => 'Update must be in buffer and not custom scheduled in order to move to top.', '1028' => 'Update soft limit for profile reached.', '1029' => 'Event type not supported.', '1030' => 'Media filetype not supported.', '1031' => 'Media filesize out of acceptable range.', '1032' => 'Unable to post image to LinkedIn group(s).', '1033' => 'Comments can only be posted to Facebook at this time.', '1034' => 'Cannot schedule updates in the past.', '1042' => 'User did not save successfully.', '1050' => 'Client could not be found.', '1051' => 'No authorization to access client.', ); function __construct($client_id = '', $client_secret = '', $callback_url = '', $access_token = '') { if ($client_id) $this->set_client_id($client_id); if ($client_secret) $this->set_client_secret($client_secret); if ($callback_url) $this->set_callback_url($callback_url); if ($access_token) $this->access_token = $access_token; if (isset($_GET['code']) && $_GET['code']) { $this->code = $_GET['code']; $this->create_access_token_url(); } if (!$access_token) $this->retrieve_access_token(); } function go($endpoint = '', $data = '') { if (in_array($endpoint, array_keys($this->endpoints))) { $done_endpoint = $endpoint; } else { $ok = false; foreach (array_keys($this->endpoints) as $done_endpoint) { if (preg_match('/' . preg_replace('/(\:\w+)/i', '(\w+)', str_replace('/', '\/', $done_endpoint)) . '/i', $endpoint, $match)) { $ok = true; break; } } if (!$ok) return $this->error('invalid-endpoint'); } if (!$data || !is_array($data)) $data = array(); $data['access_token'] = $this->access_token; $method = $this->endpoints[$done_endpoint]; //get() or post() return $this->$method($this->buffer_url . $endpoint . '.json', $data); } function store_access_token() { $_SESSION['oauth']['buffer']['access_token'] = $this->access_token; } function retrieve_access_token() { $this->access_token = $_SESSION['oauth']['buffer']['access_token']; if ($this->access_token) { $this->ok = true; } } function error($error) { return (object) array('error' => $this->errors[$error]); } function create_access_token_url() { $data = array( 'code' => $this->code, 'grant_type' => 'authorization_code', 'client_id' => $this->client_id, 'client_secret' => $this->client_secret, 'redirect_uri' => $this->callback_url, ); $obj = $this->post($this->access_token_url, $data); $this->access_token = $obj->access_token; $this->store_access_token(); } function req($url = '', $data = '', $post = true) { if (!$url) return false; if (!$data || !is_array($data)) $data = array(); $options = array(CURLOPT_RETURNTRANSFER => true, CURLOPT_HEADER => false); if ($post) { $options += array( CURLOPT_POST => $post, CURLOPT_POSTFIELDS => $data ); } else { $url .= '?' . http_build_query($data); } $ch = curl_init($url); curl_setopt_array($ch, $options); $rs = curl_exec($ch); $code = curl_getinfo($ch, CURLINFO_HTTP_CODE); if ($code >= 400) { return $this->error($code); } return json_decode($rs); } function get($url = '', $data = '') { return $this->req($url, $data, false); } function post($url = '', $data = '') { return $this->req($url, $data, true); } function get_login_url() { return $this->authorize_url . '?' . 'client_id=' . $this->client_id . '&redirect_uri=' . urlencode($this->callback_url) . '&response_type=code'; } function set_client_id($client_id) { $this->client_id = $client_id; } function set_client_secret($client_secret) { $this->client_secret = $client_secret; } function set_callback_url($callback_url) { $this->callback_url = $callback_url; } } ?>