function getAccessToken(&$fb, $bucket, $tokenFile)
{
// Read file from Google Storage
$client = getClient();
$storage = getStorageService($client);
$tokensStr = getTokens($client, $storage, $bucket, $tokenFile);
if (empty($tokensStr)) {
quit("No more FB access tokens in storage -- login to app ASAP to generate a token");
} else {
$tokens = json_decode($tokensStr, true);
// 'true' will turn this into associative array instead of object
// Validate the token before use. User may have logged off facebook, or deauthorized this app.
// shuffle the array to get random order of iteration
shuffle($tokens);
//var_dump($tokens);
foreach ($tokens as $token) {
$response = $fb->get('/me', $token);
if (!$response->isError()) {
// access_token is valid token
return $token;
}
}
quit("None of the tokens are valid");
}
}
function retrieveGCS($bucket, $file)
{
// Use Google Cloud Storage (not Cloud DataStore, which is a DB). GCS is unstructured data.
// Use this to create buckets and manage: https://console.cloud.google.com/storage/browser?project=zouk-event-calendar
// Code below is generally out of date with documentation. See source in vendor/google/... for correct usage
// I created 1 bucket through web interface (can also be created programmatically). Inside this bucket will be many files.
$client = getClient();
$storage = getStorageService($client);
try {
// get the url for our file
$object = $storage->objects->get($bucket, $file);
// use print_r($object) or var_dump to see the contents
$url = $object['mediaLink'];
$httpClient = $client->authorize();
// creates guzzle http client and authorizes it
$response = $httpClient->get($url);
// see guzzle docs for this
$str = (string) $response->getBody();
// local scope
return $str;
} catch (Exception $e) {
syslog(LOG_EMERG, $e->getMessage());
sendMail('Cannot get data from GCS: ' . $e->getMessage());
}
return NULL;
}
