14 lines
555 B
Text
14 lines
555 B
Text
set $root_domain "";
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# Derive the apex domain from a www-prefixed primary server_name. This keeps the
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# snippet simple, but it also means callers should not use it on multi-name
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# server blocks whose first name is not the canonical www host.
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if ($server_name ~* ^www\.(?<apex_domain>.+)$) {
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set $root_domain $apex_domain;
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}
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# Use 307 so POST and other non-GET methods keep their method during
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# canonicalization instead of being rewritten to GET as with many 301/302 flows.
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if ($host = $root_domain) {
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return 307 $scheme://$server_name$request_uri;
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}
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