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Bring back ETags

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This commit is contained in:
Piotr Sarnacki 2015-02-03 17:40:37 +01:00
parent 90b91bd49b
commit 89081a873b
1 changed files with 10 additions and 4 deletions
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14
waiter/lib/travis/web/app.rb
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@ -87,7 +87,8 @@ class Travis::Web::App
'Cache-Control' => cache_control(file),
'Content-Location' => path_for(file),
'Content-Type' => mime_type(file),
'Expires' => (server_start + age).httpdate
'Expires' => (server_start + age).httpdate,
'ETag' => fingerprint(file)
}
else
set_config(content, options) if config_needed?(file)
@ -100,7 +101,8 @@ class Travis::Web::App
'Content-Type' => mime_type(file),
'Last-Modified' => server_start.httpdate,
'Expires' => (server_start + age).httpdate,
'Vary' => vary_for(file)
'Vary' => vary_for(file),
'ETag' => Digest::MD5.hexdigest(content)
}
end
@ -119,10 +121,14 @@ class Travis::Web::App
file == File.join(root, 'index.html') || file == 'index.html'
end
def fingerprinted?(file)
def fingerprint(file)
basename = File.basename(file)
basename =~ /-[a-f0-9]{32}.(css|js)$/
extname = File.extname(file)
if result = basename.scan(/.+-([a-f0-9]{32})#{extname}$/)
result.flatten[0]
end
end
alias fingerprinted? fingerprint
def cache_control(file)
case path_for(file)