function retrieveFile($bucket, $file)
{
syslog(LOG_DEBUG, "retrieveFile: file " . $file);
$content = retrieveGCS($bucket, $file);
if ($content) {
echo $content;
return true;
}
return false;
}
function getAccessToken(&$fb, $bucket, $tokenFile)
{
// Read file from Google Storage
$tokensStr = retrieveGCS($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");
}
}
// 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// Code below is generally out of date with documentation.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.
// /**
// * Google Cloud Storage API request to retrieve the list of buckets in your project.
// */
// $projectId = 'zouk-event-calendar';
// $buckets = $storage->buckets->listBuckets($projectId);
//
// foreach ($buckets['items'] as $bucket) {
// printf("%s\n", $bucket->getName());
// syslog(LOG_INFO, $bucket->getName());
// }
/** Get tokens already stored **/
$tokensStr = retrieveGCS($bucket, $tokenFile);
if (empty($tokensStr)) {
$tokens = array();
} else {
$tokens = json_decode($tokensStr, true);
// 'true' will turn this into associative array instead of object
}
// Limit size of array to 50
if (count($tokens) > 50) {
array_shift($tokens);
// remove one element from beginning
}
// add the new token to end of array
array_push($tokens, $longLivedAccessToken);
//var_dump($tokens);
/***
