forked from browserutils/kooky
/
cookiejar.go
128 lines (112 loc) · 2.44 KB
/
cookiejar.go
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package cookies
import (
"errors"
"net/http"
"net/http/cookiejar"
"net/url"
"sync"
"golang.org/x/net/publicsuffix"
"github.com/jeremy-cxf/kooky"
)
var (
_ http.CookieJar = (*CookieJar)(nil)
_ kooky.CookieStore = (*CookieJar)(nil)
)
type CookieJar struct {
*cookiejar.Jar
init sync.Once
initErr error
CookieStore
}
func (s *CookieJar) Cookies(u *url.URL) []*http.Cookie {
if s == nil || s.CookieStore == nil || s.initErr != nil {
return nil
}
if err := s.InitJar(); err != nil {
return nil
}
if s.Jar == nil {
return nil
}
return s.Jar.Cookies(u)
}
func (s *CookieJar) InitJar() error {
if s == nil {
return errors.New(`nil receiver`)
}
if s.CookieStore == nil {
return errors.New(`no cookie store set`)
}
s.init.Do(func() {
kookies, err := s.CookieStore.ReadCookies()
defer s.Close()
if err != nil {
s.initErr = err
return
}
jar, err := cookiejar.New(&cookiejar.Options{PublicSuffixList: publicsuffix.List})
if err != nil {
s.initErr = err
return
}
s.Jar = jar
cookies := kookies2cookies(kookies)
setAllCookies(s, cookies)
})
return s.initErr
}
func (s *CookieJar) SubJar(filters ...kooky.Filter) (http.CookieJar, error) {
if s == nil {
return nil, errors.New(`nil receiver`)
}
if s.CookieStore == nil {
return nil, errors.New(`no cookie store set`)
}
kookies, err := s.CookieStore.ReadCookies(filters...)
defer s.Close()
if err != nil {
return nil, err
}
jar, err := cookiejar.New(&cookiejar.Options{PublicSuffixList: publicsuffix.List})
if err != nil {
return nil, err
}
cookies := kookies2cookies(kookies)
setAllCookies(jar, cookies)
return jar, nil
}
func kookies2cookies(kookies []*kooky.Cookie, filters ...kooky.Filter) []*http.Cookie {
filteredKookies := kooky.FilterCookies(kookies, filters...)
cookies := make([]*http.Cookie, len(filteredKookies))
for _, k := range filteredKookies {
cookies = append(cookies, &k.Cookie)
}
return cookies
}
func setAllCookies(jar http.CookieJar, cookies []*http.Cookie) {
cookieMap := make(map[url.URL][]*http.Cookie)
for _, c := range cookies {
if c == nil {
continue
}
var scheme string
if c.Secure {
scheme = `https`
} else {
scheme = `http`
}
u := url.URL{
Scheme: scheme,
Host: c.Domain,
Path: c.Path,
}
if _, ok := cookieMap[u]; !ok {
cookieMap[u] = []*http.Cookie{c}
continue
}
cookieMap[u] = append(cookieMap[u], c)
}
for u, cs := range cookieMap {
jar.SetCookies(&u, cs)
}
}