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<?php |
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namespace Slides\Connector\Auth; |
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use Illuminate\Support\Facades\Redis; |
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use Illuminate\Redis\Connections\Connection; |
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/** |
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* Class Cache |
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* |
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* @package Slides\Connector\Auth |
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*/ |
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class Cache |
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{ |
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/** |
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* Get a user parameter from cache. |
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* |
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* @param int $remoteId The remote user ID. |
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* @param string $key |
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* @param mixed $value |
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* |
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* @return void |
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*/ |
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public function setUserParam(int $remoteId, string $key, $value) |
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{ |
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$this->set('user:' . $remoteId, $key, $value); |
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} |
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/** |
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* Get a user parameter from cache. |
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* |
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* @param int $remoteId The remote user ID. |
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* @param string $key |
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* |
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* @return mixed |
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*/ |
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public function getUserParam(int $remoteId, string $key) |
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{ |
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return $this->get('user:' . $remoteId, $key); |
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} |
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/** |
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* Get all parameters related to the user. |
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* |
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* @param int $remoteId The remote user ID. |
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* |
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* @return array |
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*/ |
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public function getUserParams(int $remoteId): array |
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{ |
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return $this->getAll('user:' . $remoteId); |
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} |
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/** |
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* Set a parameter value to cache. |
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* |
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* @param string $key |
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* @param string|null $field |
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* @param mixed $value |
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* |
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* @return void |
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*/ |
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public function set(string $key, ?string $field, $value) |
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{ |
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$value = $this->castValueToString($value); |
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\Illuminate\Support\Facades\Log::debug( |
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'[Connector] Storing a parameter in cache', |
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compact('key', 'field', 'value') |
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); |
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$this->ensure(function(Connection $redis) use ($key, $field, $value) { |
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$field |
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? $redis->hset('connector:' . $key, $field, $value) |
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: $redis->set('connector:' . $key, $value); |
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}); |
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} |
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/** |
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* Get a parameter value from cache. |
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* |
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* @param string $key |
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* @param string $field |
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* |
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* @return mixed |
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*/ |
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public function get(string $key, string $field = null) |
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{ |
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$output = $this->ensure(function(Connection $redis) use ($key, $field) { |
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return $field |
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? $redis->hget('connector:' . $key, $field) |
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: $redis->get('connector:' . $key); |
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}, function() { |
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return null; |
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}); |
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\Illuminate\Support\Facades\Log::debug( |
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'[Connector] Getting a parameter from cache', |
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compact('key', 'field', 'output') |
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); |
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return $this->castValueFromString($output); |
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} |
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/** |
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* Get parameters from a hash. |
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* |
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* @param string $key |
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* |
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* @return mixed |
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*/ |
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public function getAll(string $key) |
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{ |
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return $this->ensure(function(Connection $redis) use ($key) { |
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return $redis->hgetall('connector:' . $key); |
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}, function() { |
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return []; |
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}); |
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} |
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/** |
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* Catch an exception and prevent application from breaking while interacting with Redis. |
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* |
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* @param \Closure $callback |
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* @param \Closure|null $fallback |
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* |
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* @return mixed|false |
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*/ |
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protected function ensure(\Closure $callback, \Closure $fallback = null) |
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{ |
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try { |
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$output = $callback(Redis::connection('authService')); |
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} |
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catch(\Exception $e) { |
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\Illuminate\Support\Facades\Log::error($e->getMessage()); |
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\Illuminate\Support\Facades\Log::error($e->getTraceAsString()); |
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if($fallback instanceof \Closure) { |
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$output = $fallback($e); |
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} |
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} |
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return $output ?? false; |
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} |
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/** |
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* Case value to string. |
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* |
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* @param mixed $value |
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* |
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* @return string |
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*/ |
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protected function castValueToString($value) |
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{ |
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if(is_bool($value)) { |
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return $value ? 'true' : 'false'; |
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} |
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return $value; |
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} |
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/** |
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* Case value from string. |
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* |
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* @param mixed $value |
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* |
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* @return mixed |
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*/ |
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protected function castValueFromString($value) |
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{ |
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if($value === 'true' || $value === 'false') { |
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return $value === 'true' ? true : false; |
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} |
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if($value === '') { |
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return null; |
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} |
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return $value; |
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} |
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} |
24Slides /
auth-connector
