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Agent-discovery hardening: q=0 after params, expr Link for rewrites #71

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Merged
SutuSebastian merged 1 commit into from
Oct 24, 2026
Merged

Agent-discovery hardening: q=0 after params, expr Link for rewrites #71

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9 changes: 5 additions & 4 deletions apps/docs/public/.htaccess
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,8 @@ ErrorDocument 404 /persist/404.html
SetEnvIf Request_URI "^/persist/index\.html$" IS_PERSIST_HOME
</IfModule>
<IfModule mod_headers.c>
Header always set Link "</persist/.well-known/api-catalog>; rel=\"api-catalog\"; type=\"application/linkset+json\", </persist/.well-known/ai-catalog.json>; rel=\"ai-catalog\"; type=\"application/ai-catalog+json\", </persist/openapi.json>; rel=\"service-desc\"; type=\"application/json\", </persist/agent-readability.json>; rel=\"describedby\"; type=\"application/json\", </persist/llms.txt>; rel=\"describedby\"; type=\"text/plain\", </persist/index.md>; rel=\"alternate\"; type=\"text/markdown\"" env=IS_PERSIST_HOME
# expr covers REDIRECT_ rename after internal rewrites (e.g. /persist/index.html -> /persist/index.md).
Header always set Link "</persist/.well-known/api-catalog>; rel=\"api-catalog\"; type=\"application/linkset+json\", </persist/.well-known/ai-catalog.json>; rel=\"ai-catalog\"; type=\"application/ai-catalog+json\", </persist/openapi.json>; rel=\"service-desc\"; type=\"application/json\", </persist/agent-readability.json>; rel=\"describedby\"; type=\"application/json\", </persist/llms.txt>; rel=\"describedby\"; type=\"text/plain\", </persist/index.md>; rel=\"alternate\"; type=\"text/markdown\"" "expr=%{ENV:IS_PERSIST_HOME} || %{ENV:REDIRECT_IS_PERSIST_HOME}"
</IfModule>

# Extensionless file needs explicit type (else text/plain fails the scan).
Expand All @@ -88,17 +89,17 @@ RewriteRule ^ - [L]

# /persist/ -> /persist/index.md
RewriteCond %{HTTP:Accept} text/markdown [NC]
RewriteCond %{HTTP:Accept} !text/markdown\s*;\s*q\s*=\s*0(\.0*)?(\s*[;,]|\s*$) [NC]
RewriteCond %{HTTP:Accept} !text/markdown(?:\s*;\s*(?!q\s*=)[^;,]+)*\s*;\s*q\s*=\s*0(\.0*)?(\s*[;,]|\s*$) [NC]
RewriteRule ^$ /persist/index.md [L,T=text/markdown]

# /persist/index.html -> /persist/index.md (same representation as /persist/)
RewriteCond %{HTTP:Accept} text/markdown [NC]
RewriteCond %{HTTP:Accept} !text/markdown\s*;\s*q\s*=\s*0(\.0*)?(\s*[;,]|\s*$) [NC]
RewriteCond %{HTTP:Accept} !text/markdown(?:\s*;\s*(?!q\s*=)[^;,]+)*\s*;\s*q\s*=\s*0(\.0*)?(\s*[;,]|\s*$) [NC]
RewriteRule ^index\.html$ /persist/index.md [L,T=text/markdown]

# /persist/<route> -> twin .md
RewriteCond %{HTTP:Accept} text/markdown [NC]
RewriteCond %{HTTP:Accept} !text/markdown\s*;\s*q\s*=\s*0(\.0*)?(\s*[;,]|\s*$) [NC]
RewriteCond %{HTTP:Accept} !text/markdown(?:\s*;\s*(?!q\s*=)[^;,]+)*\s*;\s*q\s*=\s*0(\.0*)?(\s*[;,]|\s*$) [NC]
RewriteCond %{REQUEST_FILENAME} !\.md$ [NC]
RewriteCond %{DOCUMENT_ROOT}/persist/$1.md -f
RewriteRule ^(.+?)/?$ /persist/$1.md [L,T=text/markdown]
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