Passed
Push — master ( e73c8b...2ea20b )
by Songda
04:10 queued 02:00
created

AddPayloadSignaturePlugin::getSign()   B

Complexity

Conditions 8
Paths 8

Size

Total Lines 29
Code Lines 14

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 8
eloc 14
c 1
b 0
f 0
nc 8
nop 2
dl 0
loc 29
rs 8.4444
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<?php
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declare(strict_types=1);
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namespace Yansongda\Pay\Plugin\Douyin\V1\Pay;
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use Closure;
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use Yansongda\Artful\Contract\PluginInterface;
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use Yansongda\Artful\Exception\ContainerException;
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use Yansongda\Artful\Exception\InvalidConfigException;
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use Yansongda\Artful\Exception\ServiceNotFoundException;
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use Yansongda\Artful\Logger;
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use Yansongda\Artful\Rocket;
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use Yansongda\Pay\Exception\Exception;
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use Yansongda\Supports\Collection;
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use function Yansongda\Artful\filter_params;
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use function Yansongda\Pay\get_provider_config;
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class AddPayloadSignaturePlugin implements PluginInterface
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{
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    /**
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     * @throws ContainerException
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     * @throws InvalidConfigException
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     * @throws ServiceNotFoundException
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     */
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    public function assembly(Rocket $rocket, Closure $next): Rocket
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    {
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        Logger::debug('[Douyin][V1][Pay][AddPayloadSignaturePlugin] 插件开始装载', ['rocket' => $rocket]);
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        $config = get_provider_config('douyin', $rocket->getParams());
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        $payload = $rocket->getPayload();
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        $rocket->mergePayload(['sign' => $this->getSign($config, filter_params($payload))]);
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        Logger::info('[Douyin][V1][Pay][AddPayloadSignaturePlugin] 插件装载完毕', ['rocket' => $rocket]);
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        return $next($rocket);
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    }
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    /**
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     * @throws InvalidConfigException
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     */
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    protected function getSign(array $config, Collection $payload): string
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    {
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        $salt = $config['mch_secret_salt'] ?? null;
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        if (empty($salt)) {
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            throw new InvalidConfigException(Exception::CONFIG_DOUYIN_INVALID, '配置异常: 缺少抖音配置 -- [mch_secret_salt]');
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        }
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        foreach ($payload as $key => $value) {
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            if (is_string($value)) {
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                $value = trim($value);
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            }
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            if (in_array($key, ['other_settle_params', 'app_id', 'sign', 'thirdparty_id']) || empty($value) || 'null' === $value) {
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                continue;
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            }
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            if (is_array($value)) {
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                $value = $this->arrayToString($value);
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            }
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            $signData[] = $value;
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        }
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        $signData[] = $salt;
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        sort($signData, SORT_STRING);
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        return md5(implode('&', $signData));
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    }
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    protected function arrayToString(array $value): string
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    {
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        $isJsonArray = isset($value[0]);
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        $keys = array_keys($value);
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        if ($isJsonArray) {
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            sort($keys);
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        }
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        foreach ($keys as $key) {
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            $val = $value[$key];
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            $result[] = is_array($val) ? $this->arrayToString($val) : (($isJsonArray ? '' : $key.':').trim(strval($val)));
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        }
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        $result = '['.implode(' ', $result ?? []).']';
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        return ($isJsonArray ? '' : 'map').$result;
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    }
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}
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