diff options
Diffstat (limited to 'vendor/golang.org/x/net/http/httpguts/httplex.go')
| -rw-r--r-- | vendor/golang.org/x/net/http/httpguts/httplex.go | 54 |
1 files changed, 29 insertions, 25 deletions
diff --git a/vendor/golang.org/x/net/http/httpguts/httplex.go b/vendor/golang.org/x/net/http/httpguts/httplex.go index c79aa73f2..6e071e852 100644 --- a/vendor/golang.org/x/net/http/httpguts/httplex.go +++ b/vendor/golang.org/x/net/http/httpguts/httplex.go @@ -173,13 +173,15 @@ func tokenEqual(t1, t2 string) bool { // isLWS reports whether b is linear white space, according // to http://www.w3.org/Protocols/rfc2616/rfc2616-sec2.html#sec2.2 -// LWS = [CRLF] 1*( SP | HT ) +// +// LWS = [CRLF] 1*( SP | HT ) func isLWS(b byte) bool { return b == ' ' || b == '\t' } // isCTL reports whether b is a control byte, according // to http://www.w3.org/Protocols/rfc2616/rfc2616-sec2.html#sec2.2 -// CTL = <any US-ASCII control character -// (octets 0 - 31) and DEL (127)> +// +// CTL = <any US-ASCII control character +// (octets 0 - 31) and DEL (127)> func isCTL(b byte) bool { const del = 0x7f // a CTL return b < ' ' || b == del @@ -189,12 +191,13 @@ func isCTL(b byte) bool { // HTTP/2 imposes the additional restriction that uppercase ASCII // letters are not allowed. // -// RFC 7230 says: -// header-field = field-name ":" OWS field-value OWS -// field-name = token -// token = 1*tchar -// tchar = "!" / "#" / "$" / "%" / "&" / "'" / "*" / "+" / "-" / "." / -// "^" / "_" / "`" / "|" / "~" / DIGIT / ALPHA +// RFC 7230 says: +// +// header-field = field-name ":" OWS field-value OWS +// field-name = token +// token = 1*tchar +// tchar = "!" / "#" / "$" / "%" / "&" / "'" / "*" / "+" / "-" / "." / +// "^" / "_" / "`" / "|" / "~" / DIGIT / ALPHA func ValidHeaderFieldName(v string) bool { if len(v) == 0 { return false @@ -267,27 +270,28 @@ var validHostByte = [256]bool{ // ValidHeaderFieldValue reports whether v is a valid "field-value" according to // http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.2 : // -// message-header = field-name ":" [ field-value ] -// field-value = *( field-content | LWS ) -// field-content = <the OCTETs making up the field-value -// and consisting of either *TEXT or combinations -// of token, separators, and quoted-string> +// message-header = field-name ":" [ field-value ] +// field-value = *( field-content | LWS ) +// field-content = <the OCTETs making up the field-value +// and consisting of either *TEXT or combinations +// of token, separators, and quoted-string> // // http://www.w3.org/Protocols/rfc2616/rfc2616-sec2.html#sec2.2 : // -// TEXT = <any OCTET except CTLs, -// but including LWS> -// LWS = [CRLF] 1*( SP | HT ) -// CTL = <any US-ASCII control character -// (octets 0 - 31) and DEL (127)> +// TEXT = <any OCTET except CTLs, +// but including LWS> +// LWS = [CRLF] 1*( SP | HT ) +// CTL = <any US-ASCII control character +// (octets 0 - 31) and DEL (127)> // // RFC 7230 says: -// field-value = *( field-content / obs-fold ) -// obj-fold = N/A to http2, and deprecated -// field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ] -// field-vchar = VCHAR / obs-text -// obs-text = %x80-FF -// VCHAR = "any visible [USASCII] character" +// +// field-value = *( field-content / obs-fold ) +// obj-fold = N/A to http2, and deprecated +// field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ] +// field-vchar = VCHAR / obs-text +// obs-text = %x80-FF +// VCHAR = "any visible [USASCII] character" // // http2 further says: "Similarly, HTTP/2 allows header field values // that are not valid. While most of the values that can be encoded |