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Code Issues Releases Wiki Activity

add etag header to wifi qr code to improve

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browser caching behavior
This commit is contained in:
glaszig 2020-02-27 23:53:48 +00:00
parent ad1ca08de3
commit 806ce22970
1 changed files with 2 additions and 0 deletions
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2
app/img/wifi-qr-code.php
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@ -40,11 +40,13 @@ $svg = shell_exec($command);
$config_mtime = filemtime(RASPI_HOSTAPD_CONFIG); $config_mtime = filemtime(RASPI_HOSTAPD_CONFIG);
$last_modified = gmdate('D, d M Y H:i:s ', $config_mtime) . 'GMT'; $last_modified = gmdate('D, d M Y H:i:s ', $config_mtime) . 'GMT';
$etag = hash('sha256', $data);
$content_length = strlen($svg); $content_length = strlen($svg);
header("Content-Type: image/svg+xml"); header("Content-Type: image/svg+xml");
header("Content-Length: $content_length"); header("Content-Length: $content_length");
header("Last-Modified: $last_modified"); header("Last-Modified: $last_modified");
header("ETag: \"$etag\"");
header("X-QR-Code-Content: $data"); header("X-QR-Code-Content: $data");
echo shell_exec($command); echo shell_exec($command);