From 473acc61c8392dc7ae303d91568e179c4f105a76 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Tue, 2 Jul 2019 12:12:53 +0200 Subject: add black list --- vendor/golang.org/x/net/webdav/if.go | 173 ----------------------------------- 1 file changed, 173 deletions(-) delete mode 100644 vendor/golang.org/x/net/webdav/if.go (limited to 'vendor/golang.org/x/net/webdav/if.go') diff --git a/vendor/golang.org/x/net/webdav/if.go b/vendor/golang.org/x/net/webdav/if.go deleted file mode 100644 index 416e81c..0000000 --- a/vendor/golang.org/x/net/webdav/if.go +++ /dev/null @@ -1,173 +0,0 @@ -// Copyright 2014 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package webdav - -// The If header is covered by Section 10.4. -// http://www.webdav.org/specs/rfc4918.html#HEADER_If - -import ( - "strings" -) - -// ifHeader is a disjunction (OR) of ifLists. -type ifHeader struct { - lists []ifList -} - -// ifList is a conjunction (AND) of Conditions, and an optional resource tag. -type ifList struct { - resourceTag string - conditions []Condition -} - -// parseIfHeader parses the "If: foo bar" HTTP header. The httpHeader string -// should omit the "If:" prefix and have any "\r\n"s collapsed to a " ", as is -// returned by req.Header.Get("If") for a http.Request req. -func parseIfHeader(httpHeader string) (h ifHeader, ok bool) { - s := strings.TrimSpace(httpHeader) - switch tokenType, _, _ := lex(s); tokenType { - case '(': - return parseNoTagLists(s) - case angleTokenType: - return parseTaggedLists(s) - default: - return ifHeader{}, false - } -} - -func parseNoTagLists(s string) (h ifHeader, ok bool) { - for { - l, remaining, ok := parseList(s) - if !ok { - return ifHeader{}, false - } - h.lists = append(h.lists, l) - if remaining == "" { - return h, true - } - s = remaining - } -} - -func parseTaggedLists(s string) (h ifHeader, ok bool) { - resourceTag, n := "", 0 - for first := true; ; first = false { - tokenType, tokenStr, remaining := lex(s) - switch tokenType { - case angleTokenType: - if !first && n == 0 { - return ifHeader{}, false - } - resourceTag, n = tokenStr, 0 - s = remaining - case '(': - n++ - l, remaining, ok := parseList(s) - if !ok { - return ifHeader{}, false - } - l.resourceTag = resourceTag - h.lists = append(h.lists, l) - if remaining == "" { - return h, true - } - s = remaining - default: - return ifHeader{}, false - } - } -} - -func parseList(s string) (l ifList, remaining string, ok bool) { - tokenType, _, s := lex(s) - if tokenType != '(' { - return ifList{}, "", false - } - for { - tokenType, _, remaining = lex(s) - if tokenType == ')' { - if len(l.conditions) == 0 { - return ifList{}, "", false - } - return l, remaining, true - } - c, remaining, ok := parseCondition(s) - if !ok { - return ifList{}, "", false - } - l.conditions = append(l.conditions, c) - s = remaining - } -} - -func parseCondition(s string) (c Condition, remaining string, ok bool) { - tokenType, tokenStr, s := lex(s) - if tokenType == notTokenType { - c.Not = true - tokenType, tokenStr, s = lex(s) - } - switch tokenType { - case strTokenType, angleTokenType: - c.Token = tokenStr - case squareTokenType: - c.ETag = tokenStr - default: - return Condition{}, "", false - } - return c, s, true -} - -// Single-rune tokens like '(' or ')' have a token type equal to their rune. -// All other tokens have a negative token type. -const ( - errTokenType = rune(-1) - eofTokenType = rune(-2) - strTokenType = rune(-3) - notTokenType = rune(-4) - angleTokenType = rune(-5) - squareTokenType = rune(-6) -) - -func lex(s string) (tokenType rune, tokenStr string, remaining string) { - // The net/textproto Reader that parses the HTTP header will collapse - // Linear White Space that spans multiple "\r\n" lines to a single " ", - // so we don't need to look for '\r' or '\n'. - for len(s) > 0 && (s[0] == '\t' || s[0] == ' ') { - s = s[1:] - } - if len(s) == 0 { - return eofTokenType, "", "" - } - i := 0 -loop: - for ; i < len(s); i++ { - switch s[i] { - case '\t', ' ', '(', ')', '<', '>', '[', ']': - break loop - } - } - - if i != 0 { - tokenStr, remaining = s[:i], s[i:] - if tokenStr == "Not" { - return notTokenType, "", remaining - } - return strTokenType, tokenStr, remaining - } - - j := 0 - switch s[0] { - case '<': - j, tokenType = strings.IndexByte(s, '>'), angleTokenType - case '[': - j, tokenType = strings.IndexByte(s, ']'), squareTokenType - default: - return rune(s[0]), "", s[1:] - } - if j < 0 { - return errTokenType, "", "" - } - return tokenType, s[1:j], s[j+1:] -} -- cgit v1.2.3