晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Directory :  /home/stando/www/wp-content/plugins/w3-total-cache/lib/Aws/Aws/S3/

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Current File : //home/stando/www/wp-content/plugins/w3-total-cache/lib/Aws/Aws/S3/PostObject.php
<?php
namespace Aws\S3;

use Aws\Credentials\CredentialsInterface;
use GuzzleHttp\Psr7\Uri;

/**
 * @deprecated
 */
class PostObject
{
    private $client;
    private $bucket;
    private $formAttributes;
    private $formInputs;
    private $jsonPolicy;

    /**
     * Constructs the PostObject.
     *
     * @param S3ClientInterface $client     Client used with the POST object
     * @param string            $bucket     Bucket to use
     * @param array             $formInputs Associative array of form input
     *                                      fields.
     * @param string|array      $jsonPolicy JSON encoded POST policy document.
     *                                      The policy will be base64 encoded
     *                                      and applied to the form on your
     *                                      behalf.
     */
    public function __construct(
        S3ClientInterface $client,
        $bucket,
        array $formInputs,
        $jsonPolicy
    ) {
        $this->client = $client;
        $this->bucket = $bucket;

        if (is_array($jsonPolicy)) {
            $jsonPolicy = json_encode($jsonPolicy);
        }

        $this->jsonPolicy = $jsonPolicy;
        $this->formAttributes = [
            'action'  => $this->generateUri(),
            'method'  => 'POST',
            'enctype' => 'multipart/form-data'
        ];

        $this->formInputs = $formInputs + ['key' => '${filename}'];
        $credentials = $client->getCredentials()->wait();
        $this->formInputs += $this->getPolicyAndSignature($credentials);
    }

    /**
     * Gets the S3 client.
     *
     * @return S3ClientInterface
     */
    public function getClient()
    {
        return $this->client;
    }

    /**
     * Gets the bucket name.
     *
     * @return string
     */
    public function getBucket()
    {
        return $this->bucket;
    }

    /**
     * Gets the form attributes as an array.
     *
     * @return array
     */
    public function getFormAttributes()
    {
        return $this->formAttributes;
    }

    /**
     * Set a form attribute.
     *
     * @param string $attribute Form attribute to set.
     * @param string $value     Value to set.
     */
    public function setFormAttribute($attribute, $value)
    {
        $this->formAttributes[$attribute] = $value;
    }

    /**
     * Gets the form inputs as an array.
     *
     * @return array
     */
    public function getFormInputs()
    {
        return $this->formInputs;
    }

    /**
     * Set a form input.
     *
     * @param string $field Field name to set
     * @param string $value Value to set.
     */
    public function setFormInput($field, $value)
    {
        $this->formInputs[$field] = $value;
    }

    /**
     * Gets the raw JSON policy.
     *
     * @return string
     */
    public function getJsonPolicy()
    {
        return $this->jsonPolicy;
    }

    private function generateUri()
    {
        $uri = new Uri($this->client->getEndpoint());

        if ($this->client->getConfig('use_path_style_endpoint') === true
            || ($uri->getScheme() === 'https'
            && strpos($this->bucket, '.') !== false)
        ) {
            // Use path-style URLs
            $uri = $uri->withPath("/{$this->bucket}");
        } else {
            // Use virtual-style URLs
            $uri = $uri->withHost($this->bucket . '.' . $uri->getHost());
        }

        return (string) $uri;
    }

    protected function getPolicyAndSignature(CredentialsInterface $creds)
    {
        $jsonPolicy64 = base64_encode($this->jsonPolicy);

        return [
            'AWSAccessKeyId' => $creds->getAccessKeyId(),
            'policy'    => $jsonPolicy64,
            'signature' => base64_encode(hash_hmac(
                'sha1',
                $jsonPolicy64,
                $creds->getSecretKey(),
                true
            ))
        ];
    }
}

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