[server] Add an embedded list of canonical header names and values (helps with eliminating allocations in FastHTTP to Go HTTP bridging).
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Ciprian Dorin Craciun
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commit
e817765cfd
1 changed files with 225 additions and 0 deletions
225
sources/lib/server/headers.go
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225
sources/lib/server/headers.go
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package server
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import "fmt"
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import "net/http"
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import "strings"
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import . "github.com/volution/kawipiko/lib/common"
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func CanonicalHeaderNameFromBytes (_header []byte) (string) {
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if _canonical, _found := CanonicalHeaderNamesMap[BytesToString (*NoEscapeBytes (&_header))]; _found {
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return _canonical
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} else {
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return string (_header)
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}
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}
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func CanonicalHeaderValueFromBytes (_value []byte) (string) {
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if _canonical, _found := CanonicalHeaderValuesMap[BytesToString (*NoEscapeBytes (&_value))]; _found {
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return _canonical
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} else {
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return string (_value)
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}
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}
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func CanonicalHeaderValueRegister (_value string) () {
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CanonicalHeaderValues = append (CanonicalHeaderValues, _value)
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CanonicalHeaderValuesMap[_value] = _value
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}
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var CanonicalHeaderNamesMap map[string]string
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var CanonicalHeaderValuesMap map[string]string
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var CanonicalHeaderNames = []string {
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"Accept",
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"Accept-CH",
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"Accept-CH-Lifetime",
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"Accept-Charset",
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"Accept-Encoding",
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"Accept-Language",
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"Accept-Patch",
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"Accept-Push-Policy",
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"Accept-Ranges",
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"Accept-Signature",
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"Access-Control-Allow-Credentials",
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"Access-Control-Allow-Headers",
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"Access-Control-Allow-Methods",
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"Access-Control-Allow-Origin",
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"Access-Control-Expose-Headers",
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"Access-Control-Max-Age",
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"Access-Control-Request-Headers",
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"Access-Control-Request-Method",
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"Age",
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"Allow",
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"Alt-Svc",
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"Authorization",
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"Cache-Control",
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"Clear-Site-Data",
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"Connection",
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"Content-DPR",
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"Content-Disposition",
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"Content-Encoding",
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"Content-Id",
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"Content-Language",
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"Content-Length",
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"Content-Location",
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"Content-Range",
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"Content-Security-Policy",
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"Content-Security-Policy-Report-Only",
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"Content-Transfer-Encoding",
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"Content-Type",
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"Cookie",
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"Cross-Origin-Resource-Policy",
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"DNT",
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"DPR",
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"Date",
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"ETag",
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"Early-Data",
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"Expect",
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"Expect-CT",
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"Expires",
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"Feature-Policy",
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"Forwarded",
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"From",
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"Host",
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"If-Match",
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"If-Modified-Since",
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"If-None-Match",
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"If-Range",
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"If-Unmodified-Since",
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"Index",
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"Keep-Alive",
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"Large-Allocation",
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"Last-Event-ID",
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"Last-Modified",
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"Link",
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"Location",
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"Max-Forwards",
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"NEL",
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"Origin",
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"Ping-From",
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"Ping-To",
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"Pragma",
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"Proxy-Authenticate",
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"Proxy-Authorization",
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"Public-Key-Pins",
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"Public-Key-Pins-Report-Only",
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"Push-Policy",
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"Range",
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"Referer",
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"Referrer-Policy",
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"Report-To",
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"Retry-After",
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"Save-Data",
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"Sec-WebSocket-Accept",
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"Sec-WebSocket-Extensions",
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"Sec-WebSocket-Key",
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"Sec-WebSocket-Protocol",
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"Sec-WebSocket-Version",
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"Server",
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"Server-Timing",
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"Set-Cookie",
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"Signature",
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"Signed-Headers",
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"SourceMap",
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"Strict-Transport-Security",
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"TE",
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"Timing-Allow-Origin",
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"Tk",
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"Trailer",
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"Transfer-Encoding",
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"Upgrade",
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"Upgrade-Insecure-Requests",
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"User-Agent",
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"Vary",
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"Via",
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"Viewport-Width",
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"WWW-Authenticate",
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"Warning",
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"Width",
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"X-Content-Type-Options",
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"X-DNS-Prefetch-Control",
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"X-Download-Options",
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"X-Forwarded-By",
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"X-Forwarded-For",
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"X-Forwarded-Host",
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"X-Forwarded-Proto",
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"X-Frame-Options",
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"X-Imforwards",
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"X-Permitted-Cross-Domain-Policies",
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"X-Pingback",
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"X-Powered-By",
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"X-Requested-With",
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"X-Robots-Tag",
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"X-UA-Compatible",
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"X-XSS-Protection",
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}
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var CanonicalHeaderValues = []string {
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"public, immutable, max-age=3600",
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"no-store, max-age=0",
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"identity",
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"deflate",
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"gzip",
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"br",
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"max-age=31536000",
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"upgrade-insecure-requests",
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"strict-origin-when-cross-origin",
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"nosniff",
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"1; mode=block",
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"sameorigin",
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}
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func init () {
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CanonicalHeaderNamesMap = make (map[string]string, len (CanonicalHeaderNames) * 4)
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for _, _header := range CanonicalHeaderNames {
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_http := http.CanonicalHeaderKey (_header)
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_toLower := strings.ToLower (_header)
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_toUpper := strings.ToUpper (_header)
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if _, _duplicate := CanonicalHeaderNamesMap[strings.ToLower (_header)]; _duplicate {
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panic (fmt.Sprintf ("[f0dffe23] invalid duplicate header `%s`", _header))
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}
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CanonicalHeaderNamesMap[_header] = _header
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CanonicalHeaderNamesMap[_toLower] = _header
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CanonicalHeaderNamesMap[_toUpper] = _header
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CanonicalHeaderNamesMap[_http] = _header
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}
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CanonicalHeaderValues = append (CanonicalHeaderValues, MimeTypes ...)
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CanonicalHeaderValuesMap = make (map[string]string, len (CanonicalHeaderValues))
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for _, _value := range CanonicalHeaderValues {
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CanonicalHeaderValuesMap[_value] = _value
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}
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}
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