| Line | Code |
| 1 | <?php
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| 2 |
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| 3 | namespace AuthStack\UserDirectory\Service;
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| 4 |
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| 5 | use AuthStack\UserDirectory\Exceptions\JsonDecodingException;
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| 6 | use AuthStack\UserDirectory\Exceptions\TransferException;
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| 7 | use AuthStack\UserDirectory\Exceptions\UserDirectoryException;
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| 8 | use Buckhill\Support\Traits\DotNotationAccessorTrait;
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| 9 | use GuzzleHttp\Client;
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| 10 | use Psr\Http\Message\ResponseInterface;
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| 11 | use GuzzleHttp\Exception\RequestException;
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| 12 |
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| 13 | abstract class RESTService
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| 14 | {
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| 15 | use DotNotationAccessorTrait;
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| 16 |
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| 17 | protected $httpClient;
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| 18 | protected $baseUrl;
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| 19 | protected $config = [];
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| 20 | protected $tz_offset;
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| 21 | protected $tz_dst;
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| 22 |
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| 23 | public function __construct($baseUrl = '', array $options = [], array $routes = [], string $tz_offset = null, string $tz_dst = null)
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| 24 | {
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| 25 | $this->baseUrl = $baseUrl;
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| 26 |
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| 27 | $this->config = [
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| 28 | 'options' => $options,
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| 29 | 'routes' => $routes
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| 30 | ];
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| 31 |
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| 32 | $this->tz_offset = $tz_offset;
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| 33 | $this->tz_dst = $tz_dst;
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| 34 | }
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| 35 |
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| 36 | public function setTimeZoneOffset(string $offset): self
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| 37 | {
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| 38 | $this->tz_offset = $offset;
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| 39 |
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| 40 | return $this;
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| 41 | }
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| 42 |
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| 43 | public function setTimeZoneDST(string $dst): self
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| 44 | {
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| 45 | $this->tz_dst = $dst;
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| 46 |
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| 47 | return $this;
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| 48 | }
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| 49 |
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| 50 | public function getHttpClient(): Client
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| 51 | {
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| 52 | if(!$this->httpClient instanceof Client)
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| 53 | {
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| 54 | if(!empty($this->tz_offset) && empty($this->tz_dst))
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| 55 | {
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| 56 | $this->httpClient = new Client(['headers' => ['X-TimeZoneOffset' => $this->tz_offset, 'X-TimeZoneDST' => $this->tz_dst]]);
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| 57 | }
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| 58 |
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| 59 | $this->httpClient = new Client();
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| 60 | }
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| 61 |
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| 62 | return $this->httpClient;
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| 63 | }
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| 64 |
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| 65 | protected function section($section)
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| 66 | {
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| 67 | $verb = $this->config(sprintf("routes.%s.method", $section));
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| 68 | $path = sprintf("%s%s", $this->getBaseUrl(), $this->config(sprintf("routes.%s.path", $section)));
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| 69 | $verify = $this->config(sprintf("routes.%s.verify", $section), false);
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| 70 |
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| 71 | return [
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| 72 | 'method' => $verb,
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| 73 | 'path' => $path,
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| 74 | 'verify' => $verify
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| 75 | ];
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| 76 | }
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| 77 |
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| 78 | protected function config($path, $default = null)
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| 79 | {
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| 80 | return $this->dotNotationFromArray($this->config, $path, $default);
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| 81 | }
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| 82 |
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| 83 | /**
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| 84 | * @param array $options
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| 85 | * @return array
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| 86 | */
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| 87 | protected function options(array $options)
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| 88 | {
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| 89 | return array_merge($this->config('options', []), $options);
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| 90 | }
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| 91 |
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| 92 | /**
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| 93 | * @return string
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| 94 | */
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| 95 | protected function getBaseUrl()
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| 96 | {
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| 97 | return $this->baseUrl;
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| 98 | }
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| 99 |
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| 100 | /**
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| 101 | * @param callable $callback
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| 102 | * @param $nextException
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| 103 | * @param callable|null $afterException
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| 104 | * @return mixed
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| 105 | */
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| 106 | protected function remote(callable $callback, $nextException = UserDirectoryException::class, callable $afterException = null)
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| 107 | {
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| 108 | try
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| 109 | {
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| 110 | return $callback();
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| 111 | }
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| 112 | catch(\Exception $e)
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| 113 | {
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| 114 | // Useful for error logging
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| 115 | if(is_callable($afterException))
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| 116 | {
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| 117 | $afterException($e);
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| 118 | }
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| 119 |
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| 120 | $this->handleException($e, $nextException);
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| 121 | }
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| 122 | }
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| 123 |
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| 124 | /**
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| 125 | * @param $cfg_section
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| 126 | * @param array|null $form_params
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| 127 | * @param array|null $path_params
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| 128 | * @param array|null $get_params
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| 129 | * @return mixed|ResponseInterface
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| 130 | */
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| 131 | protected function request($cfg_section, array $form_params = null, array $path_params = null, array $get_params = null)
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| 132 | {
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| 133 | $client = $this->getHttpClient();
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| 134 | $section = $this->section($cfg_section);
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| 135 |
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| 136 | $path = !empty($path_params) ? vsprintf($section['path'], $path_params) : $section['path'];
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| 137 |
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| 138 | $options = array_merge($this->config['options'], ['verify' => $section['verify']]);
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| 139 |
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| 140 | if(!empty($form_params))
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| 141 | {
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| 142 | $options['form_params'] = $form_params;
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| 143 | }
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| 144 |
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| 145 | if(!empty($get_params))
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| 146 | {
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| 147 | $options['query'] = $get_params;
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| 148 | }
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| 149 |
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| 150 | return $client->request($section['method'], $path, $options);
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| 151 | }
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| 152 |
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| 153 | /**
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| 154 | * @param array ...$params
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| 155 | * @return array
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| 156 | * @throws JsonDecodingException
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| 157 | */
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| 158 | protected function json(...$params): array
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| 159 | {
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| 160 | $result = $this->request(...$params);
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| 161 |
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| 162 | $json = @json_decode($result->getBody(), true);
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| 163 |
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| 164 | if(json_last_error() !== JSON_ERROR_NONE)
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| 165 | {
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| 166 | throw new JsonDecodingException(json_last_error_msg(), json_last_error());
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| 167 | }
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| 168 |
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| 169 | return $json;
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| 170 | }
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| 171 |
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| 172 | /**
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| 173 | * @param RequestException $e
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| 174 | * @param $nextException
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| 175 | * @throws TransferException
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| 176 | * @throws UserDirectoryException
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| 177 | */
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| 178 | protected function handleException(\Exception $e, $nextException)
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| 179 | {
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| 180 | if(method_exists($e, 'getResponse'))
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| 181 | {
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| 182 | $response = $e->getResponse();
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| 183 |
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| 184 | if($this->isJson($response))
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| 185 | {
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| 186 | $body = @json_decode($e->getResponse()->getBody(), true);
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| 187 |
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| 188 | $message = isset($body['message']) ? $body['message'] : $e->getResponse()->getBody()->getContents();
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| 189 |
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| 190 | throw new $nextException($message, (int)$e->getCode());
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| 191 | }
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| 192 |
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| 193 | throw new TransferException($e->getResponse()->getBody()->getContents(), $e->getCode());
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| 194 | }
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| 195 |
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| 196 | throw new UserDirectoryException($e->getMessage(), $e->getCode());
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| 197 | }
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| 198 |
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| 199 | /**
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| 200 | * @param ResponseInterface $response
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| 201 | * @return bool
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| 202 | */
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| 203 | protected function isJson(ResponseInterface $response)
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| 204 | {
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| 205 | $result = false;
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| 206 |
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| 207 | if($response->hasHeader('content-type'))
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| 208 | {
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| 209 | $contentType = $response->getHeader('content-type');
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| 210 |
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| 211 | if(is_string($contentType))
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| 212 | {
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| 213 | $result = 0 === strcmp($contentType, 'application/json');
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| 214 | }
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| 215 |
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| 216 | if(is_array($contentType))
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| 217 | {
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| 218 | foreach($contentType as $ctype)
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| 219 | {
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| 220 | $result = 0 === strcmp($ctype, 'application/json');
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| 221 |
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| 222 | if($result)
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| 223 | break;
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| 224 | }
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| 225 | }
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| 226 | }
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| 227 |
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| 228 | return $result;
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| 229 | }
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| 230 | } |