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24 lines
651 B
PHP
24 lines
651 B
PHP
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<?php
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// this test returns 400 rather than 304 if the values of If-Modified-Since
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// and If-None-Match doesn't match $G_GET['t'] and $_GET['e'] respectively, or
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// if the $_GET members are missing
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if (
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!($_GET['t'] ?? "") ||
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!($_GET['e'] ?? "") ||
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($_SERVER['HTTP_IF_MODIFIED_SINCE'] ?? "") !== gmdate("D, d M Y H:i:s \G\M\T", (int) $_GET['t']) ||
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($_SERVER['HTTP_IF_NONE_MATCH'] ?? "") !== $_GET['e']
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) {
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return [
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'code' => 400,
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];
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} else {
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return [
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'code' => 304,
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'lastMod' => random_int(0, 2^31),
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'fields' => [
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"ETag: ".bin2hex(random_bytes(8)),
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],
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];
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}
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