buffer/bufferapp.php

   1 <?php
   2         class BufferApp {
   3                 private $client_id;
   4                 private $client_secret;
   5                 private $code;
   6                 public $access_token;
   7
   8                 private $callback_url;
   9                 private $authorize_url = 'https://bufferapp.com/oauth2/authorize';
  10                 private $access_token_url = 'https://api.bufferapp.com/1/oauth2/token.json';
  11                 private $buffer_url = 'https://api.bufferapp.com/1';
  12
  13                 public $ok = false;
  14
  15                 private $endpoints = array(
  16                         '/user' => 'get',
  17
  18                         '/profiles' => 'get',
  19                         '/profiles/:id' => 'get',
  20                         '/profiles/:id/schedules' => 'get',
  21                         '/profiles/:id/schedules/update' => 'post',     // Array schedules [0][days][]=mon, [0][times][]=12:00
  22
  23                         '/updates/:id' => 'get',
  24                         '/profiles/:id/updates/pending' => 'get',
  25                         '/profiles/:id/updates/sent' => 'get',
  26                         '/updates/:id/interactions' => 'get',
  27
  28                         '/profiles/:id/updates/reorder' => 'post',      // Array order, int offset, bool utc
  29                         '/profiles/:id/updates/shuffle' => 'post',
  30                         '/updates/create' => 'post',                                                            // String text, Array profile_ids, Aool shorten, Bool now, Array media ['link'], ['description'], ['picture']
  31                         '/updates/:id/update' => 'post',                                                // String text, Bool now, Array media ['link'], ['description'], ['picture'], Bool utc
  32                         '/updates/:id/share' => 'post',
  33                         '/updates/:id/destroy' => 'post',
  34                         '/updates/:id/move_to_top' => 'post',
  35
  36                         '/links/shares' => 'get',
  37
  38                         '/info/configuration' => 'get',
  39
  40                 );
  41
  42                 public $errors = array(
  43                         'invalid-endpoint' => 'The endpoint you supplied does not appear to be valid.',
  44
  45                         '403' => 'Permission denied.',
  46                         '404' => 'Endpoint not found.',
  47                         '405' => 'Method not allowed.',
  48                         '1000' => 'An unknown error occurred.',
  49                         '1001' => 'Access token required.',
  50                         '1002' => 'Not within application scope.',
  51                         '1003' => 'Parameter not recognized.',
  52                         '1004' => 'Required parameter missing.',
  53                         '1005' => 'Unsupported response format.',
  54                         '1006' => 'Parameter value not within bounds.',
  55                         '1010' => 'Profile could not be found.',
  56                         '1011' => 'No authorization to access profile.',
  57                         '1012' => 'Profile did not save successfully.',
  58                         '1013' => 'Profile schedule limit reached.',
  59                         '1014' => 'Profile limit for user has been reached.',
  60                         '1015' => 'Profile could not be destroyed.',
  61                         '1016' => 'Profile buffer could not be emptied.',
  62                         '1020' => 'Update could not be found.',
  63                         '1021' => 'No authorization to access update.',
  64                         '1022' => 'Update did not save successfully.',
  65                         '1023' => 'Update limit for profile has been reached.',
  66                         '1024' => 'Update limit for team profile has been reached.',
  67                         '1025' => "Update was recently posted, can't post duplicate content.",
  68                         '1026' => 'Update must be in error status to requeue.',
  69                         '1027' => 'Update must be in buffer and not custom scheduled in order to move to top.',
  70                         '1028' => 'Update soft limit for profile reached.',
  71                         '1029' => 'Event type not supported.',
  72                         '1030' => 'Media filetype not supported.',
  73                         '1031' => 'Media filesize out of acceptable range.',
  74                         '1032' => 'Unable to post image to LinkedIn group(s).',
  75                         '1033' => 'Comments can only be posted to Facebook at this time.',
  76                         '1034' => 'Cannot schedule updates in the past.',
  77                         '1042' => 'User did not save successfully.',
  78                         '1050' => 'Client could not be found.',
  79                         '1051' => 'No authorization to access client.',
  80                 );
  81
  82                 function __construct($client_id = '', $client_secret = '', $callback_url = '', $access_token = '') {
  83                         if ($client_id) $this->set_client_id($client_id);
  84                         if ($client_secret) $this->set_client_secret($client_secret);
  85                         if ($callback_url) $this->set_callback_url($callback_url);
  86                         if ($access_token) $this->access_token = $access_token;
  87
  88                         if (isset($_GET['code']) AND $_GET['code']) {
  89                                 $this->code = $_GET['code'];
  90                                 $this->create_access_token_url();
  91                         }
  92
  93                         if (!$access_token)
  94                                 $this->retrieve_access_token();
  95                 }
  96
  97                 function go($endpoint = '', $data = '') {
  98                         if (in_array($endpoint, array_keys($this->endpoints))) {
  99                                 $done_endpoint = $endpoint;
 100                         } else {
 101                                 $ok = false;
 102
 103                                 foreach (array_keys($this->endpoints) as $done_endpoint) {
 104                                         if (preg_match('/' . preg_replace('/(\:\w+)/i', '(\w+)', str_replace('/', '\/', $done_endpoint)) . '/i', $endpoint, $match)) {
 105                                                 $ok = true;
 106                                                 break;
 107                                         }
 108                                 }
 109
 110                                 if (!$ok) return $this->error('invalid-endpoint');
 111                         }
 112
 113                         if (!$data || !is_array($data)) $data = array();
 114                         $data['access_token'] = $this->access_token;
 115
 116                         $method = $this->endpoints[$done_endpoint]; //get() or post()
 117                         return $this->$method($this->buffer_url . $endpoint . '.json', $data);
 118                 }
 119
 120                 function store_access_token() {
 121                         $_SESSION['oauth']['buffer']['access_token'] = $this->access_token;
 122                 }
 123
 124                 function retrieve_access_token() {
 125                         $this->access_token = $_SESSION['oauth']['buffer']['access_token'];
 126
 127                         if ($this->access_token) {
 128                                 $this->ok = true;
 129                         }
 130                 }
 131
 132                 function error($error) {
 133                         return (object) array('error' => $this->errors[$error]);
 134                 }
 135
 136                 function create_access_token_url() {
 137                         $data = array(
 138                                 'code' => $this->code,
 139                                 'grant_type' => 'authorization_code',
 140                                 'client_id' => $this->client_id,
 141                                 'client_secret' => $this->client_secret,
 142                                 'redirect_uri' => $this->callback_url,
 143                         );
 144
 145                         $obj = $this->post($this->access_token_url, $data);
 146                         $this->access_token = $obj->access_token;
 147
 148                         $this->store_access_token();
 149                 }
 150
 151                 function req($url = '', $data = '', $post = true) {
 152                         if (!$url) return false;
 153                         if (!$data || !is_array($data)) $data = array();
 154
 155                         $options = array(CURLOPT_RETURNTRANSFER => true, CURLOPT_HEADER => false);
 156
 157                         if ($post) {
 158                                 $options += array(
 159                                         CURLOPT_POST => $post,
 160                                         CURLOPT_POSTFIELDS => $data
 161                                 );
 162                         } else {
 163                                 $url .= '?' . http_build_query($data);
 164                         }
 165
 166                         $ch = curl_init($url);
 167                         curl_setopt_array($ch, $options);
 168                         $rs = curl_exec($ch);
 169
 170                         $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
 171                         if ($code >= 400) {
 172                                 return $this->error($code);
 173                         }
 174
 175                         return json_decode($rs);
 176                 }
 177
 178                 function get($url = '', $data = '') {
 179                         return $this->req($url, $data, false);
 180                 }
 181
 182                 function post($url = '', $data = '') {
 183                         return $this->req($url, $data, true);
 184                 }
 185
 186                 function get_login_url() {
 187                         return $this->authorize_url . '?'
 188                 . 'client_id=' . $this->client_id
 189                 . '&redirect_uri=' . urlencode($this->callback_url)
 190                 . '&response_type=code';
 191                 }
 192
 193                 function set_client_id($client_id) {
 194                         $this->client_id = $client_id;
 195                 }
 196
 197                 function set_client_secret($client_secret) {
 198                         $this->client_secret = $client_secret;
 199                 }
 200
 201                 function set_callback_url($callback_url) {
 202                         $this->callback_url = $callback_url;
 203                 }
 204         }
 205 ?>