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<?php |
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namespace Dudlewebs\WPMCS\s3\Aws\S3\Crypto; |
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|
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use Dudlewebs\WPMCS\s3\Aws\Crypto\MetadataStrategyInterface; |
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use Dudlewebs\WPMCS\s3\Aws\Crypto\MetadataEnvelope; |
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class HeadersMetadataStrategy implements MetadataStrategyInterface |
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{ |
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/** |
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* Places the information in the MetadataEnvelope in to the metadata for |
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* the PutObject request of the encrypted object. |
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* |
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* @param MetadataEnvelope $envelope Encryption data to save according to |
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* the strategy. |
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* @param array $args Arguments for PutObject that can be manipulated to |
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* store strategy related information. |
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* |
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* @return array Updated arguments for PutObject. |
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*/ |
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public function save(MetadataEnvelope $envelope, array $args) |
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{ |
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foreach ($envelope as $header => $value) { |
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$args['Metadata'][$header] = $value; |
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} |
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return $args; |
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} |
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/** |
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* Generates a MetadataEnvelope according to the metadata headers from the |
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* GetObject result. |
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* |
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* @param array $args Arguments from Command and Result that contains |
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* S3 Object information, relevant headers, and command |
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* configuration. |
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* |
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* @return MetadataEnvelope |
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*/ |
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public function load(array $args) |
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{ |
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$envelope = new MetadataEnvelope(); |
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$constantValues = MetadataEnvelope::getConstantValues(); |
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foreach ($constantValues as $constant) { |
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if (!empty($args['Metadata'][$constant])) { |
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$envelope[$constant] = $args['Metadata'][$constant]; |
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} |
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} |
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return $envelope; |
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} |
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} |
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