summaryrefslogtreecommitdiff
path: root/src/pkg/http/cookie.go
diff options
context:
space:
mode:
Diffstat (limited to 'src/pkg/http/cookie.go')
-rw-r--r--src/pkg/http/cookie.go268
1 files changed, 0 insertions, 268 deletions
diff --git a/src/pkg/http/cookie.go b/src/pkg/http/cookie.go
deleted file mode 100644
index fe70431bb..000000000
--- a/src/pkg/http/cookie.go
+++ /dev/null
@@ -1,268 +0,0 @@
-// Copyright 2009 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 http
-
-import (
- "bytes"
- "fmt"
- "strconv"
- "strings"
- "time"
-)
-
-// This implementation is done according to RFC 6265:
-//
-// http://tools.ietf.org/html/rfc6265
-
-// A Cookie represents an HTTP cookie as sent in the Set-Cookie header of an
-// HTTP response or the Cookie header of an HTTP request.
-type Cookie struct {
- Name string
- Value string
- Path string
- Domain string
- Expires time.Time
- RawExpires string
-
- // MaxAge=0 means no 'Max-Age' attribute specified.
- // MaxAge<0 means delete cookie now, equivalently 'Max-Age: 0'
- // MaxAge>0 means Max-Age attribute present and given in seconds
- MaxAge int
- Secure bool
- HttpOnly bool
- Raw string
- Unparsed []string // Raw text of unparsed attribute-value pairs
-}
-
-// readSetCookies parses all "Set-Cookie" values from
-// the header h and returns the successfully parsed Cookies.
-func readSetCookies(h Header) []*Cookie {
- cookies := []*Cookie{}
- for _, line := range h["Set-Cookie"] {
- parts := strings.Split(strings.TrimSpace(line), ";")
- if len(parts) == 1 && parts[0] == "" {
- continue
- }
- parts[0] = strings.TrimSpace(parts[0])
- j := strings.Index(parts[0], "=")
- if j < 0 {
- continue
- }
- name, value := parts[0][:j], parts[0][j+1:]
- if !isCookieNameValid(name) {
- continue
- }
- value, success := parseCookieValue(value)
- if !success {
- continue
- }
- c := &Cookie{
- Name: name,
- Value: value,
- Raw: line,
- }
- for i := 1; i < len(parts); i++ {
- parts[i] = strings.TrimSpace(parts[i])
- if len(parts[i]) == 0 {
- continue
- }
-
- attr, val := parts[i], ""
- if j := strings.Index(attr, "="); j >= 0 {
- attr, val = attr[:j], attr[j+1:]
- }
- lowerAttr := strings.ToLower(attr)
- parseCookieValueFn := parseCookieValue
- if lowerAttr == "expires" {
- parseCookieValueFn = parseCookieExpiresValue
- }
- val, success = parseCookieValueFn(val)
- if !success {
- c.Unparsed = append(c.Unparsed, parts[i])
- continue
- }
- switch lowerAttr {
- case "secure":
- c.Secure = true
- continue
- case "httponly":
- c.HttpOnly = true
- continue
- case "domain":
- c.Domain = val
- // TODO: Add domain parsing
- continue
- case "max-age":
- secs, err := strconv.Atoi(val)
- if err != nil || secs < 0 || secs != 0 && val[0] == '0' {
- break
- }
- if secs <= 0 {
- c.MaxAge = -1
- } else {
- c.MaxAge = secs
- }
- continue
- case "expires":
- c.RawExpires = val
- exptime, err := time.Parse(time.RFC1123, val)
- if err != nil {
- exptime, err = time.Parse("Mon, 02-Jan-2006 15:04:05 MST", val)
- if err != nil {
- c.Expires = time.Time{}
- break
- }
- }
- c.Expires = *exptime
- continue
- case "path":
- c.Path = val
- // TODO: Add path parsing
- continue
- }
- c.Unparsed = append(c.Unparsed, parts[i])
- }
- cookies = append(cookies, c)
- }
- return cookies
-}
-
-// SetCookie adds a Set-Cookie header to the provided ResponseWriter's headers.
-func SetCookie(w ResponseWriter, cookie *Cookie) {
- w.Header().Add("Set-Cookie", cookie.String())
-}
-
-// String returns the serialization of the cookie for use in a Cookie
-// header (if only Name and Value are set) or a Set-Cookie response
-// header (if other fields are set).
-func (c *Cookie) String() string {
- var b bytes.Buffer
- fmt.Fprintf(&b, "%s=%s", sanitizeName(c.Name), sanitizeValue(c.Value))
- if len(c.Path) > 0 {
- fmt.Fprintf(&b, "; Path=%s", sanitizeValue(c.Path))
- }
- if len(c.Domain) > 0 {
- fmt.Fprintf(&b, "; Domain=%s", sanitizeValue(c.Domain))
- }
- if len(c.Expires.Zone) > 0 {
- fmt.Fprintf(&b, "; Expires=%s", c.Expires.Format(time.RFC1123))
- }
- if c.MaxAge > 0 {
- fmt.Fprintf(&b, "; Max-Age=%d", c.MaxAge)
- } else if c.MaxAge < 0 {
- fmt.Fprintf(&b, "; Max-Age=0")
- }
- if c.HttpOnly {
- fmt.Fprintf(&b, "; HttpOnly")
- }
- if c.Secure {
- fmt.Fprintf(&b, "; Secure")
- }
- return b.String()
-}
-
-// readCookies parses all "Cookie" values from the header h and
-// returns the successfully parsed Cookies.
-//
-// if filter isn't empty, only cookies of that name are returned
-func readCookies(h Header, filter string) []*Cookie {
- cookies := []*Cookie{}
- lines, ok := h["Cookie"]
- if !ok {
- return cookies
- }
-
- for _, line := range lines {
- parts := strings.Split(strings.TrimSpace(line), ";")
- if len(parts) == 1 && parts[0] == "" {
- continue
- }
- // Per-line attributes
- parsedPairs := 0
- for i := 0; i < len(parts); i++ {
- parts[i] = strings.TrimSpace(parts[i])
- if len(parts[i]) == 0 {
- continue
- }
- name, val := parts[i], ""
- if j := strings.Index(name, "="); j >= 0 {
- name, val = name[:j], name[j+1:]
- }
- if !isCookieNameValid(name) {
- continue
- }
- if filter != "" && filter != name {
- continue
- }
- val, success := parseCookieValue(val)
- if !success {
- continue
- }
- cookies = append(cookies, &Cookie{Name: name, Value: val})
- parsedPairs++
- }
- }
- return cookies
-}
-
-func sanitizeName(n string) string {
- n = strings.Replace(n, "\n", "-", -1)
- n = strings.Replace(n, "\r", "-", -1)
- return n
-}
-
-func sanitizeValue(v string) string {
- v = strings.Replace(v, "\n", " ", -1)
- v = strings.Replace(v, "\r", " ", -1)
- v = strings.Replace(v, ";", " ", -1)
- return v
-}
-
-func unquoteCookieValue(v string) string {
- if len(v) > 1 && v[0] == '"' && v[len(v)-1] == '"' {
- return v[1 : len(v)-1]
- }
- return v
-}
-
-func isCookieByte(c byte) bool {
- switch {
- case c == 0x21, 0x23 <= c && c <= 0x2b, 0x2d <= c && c <= 0x3a,
- 0x3c <= c && c <= 0x5b, 0x5d <= c && c <= 0x7e:
- return true
- }
- return false
-}
-
-func isCookieExpiresByte(c byte) (ok bool) {
- return isCookieByte(c) || c == ',' || c == ' '
-}
-
-func parseCookieValue(raw string) (string, bool) {
- return parseCookieValueUsing(raw, isCookieByte)
-}
-
-func parseCookieExpiresValue(raw string) (string, bool) {
- return parseCookieValueUsing(raw, isCookieExpiresByte)
-}
-
-func parseCookieValueUsing(raw string, validByte func(byte) bool) (string, bool) {
- raw = unquoteCookieValue(raw)
- for i := 0; i < len(raw); i++ {
- if !validByte(raw[i]) {
- return "", false
- }
- }
- return raw, true
-}
-
-func isCookieNameValid(raw string) bool {
- for _, c := range raw {
- if !isToken(byte(c)) {
- return false
- }
- }
- return true
-}
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-11 22:52:16 +0000