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fix cookie bug when domain is such as 'subsubdomain.subdomain.localhost.com'

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Former-commit-id: 3a19ba09098cdc0f01299126d05c8d6d6387415b
This commit is contained in:
zhangpenghao-pd 2018-05-18 13:02:36 +08:00 committed by chengyumeng
parent 485cfbc838
commit 5920df909e
1 changed files with 4 additions and 11 deletions
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15
sessions/cookie.go
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@ -105,21 +105,14 @@ func formatCookieDomain(ctx context.Context, disableSubdomainPersistence bool) s
}
// RFC2109, we allow level 1 subdomains, but no further
// if we have localhost.com , we want the localhost.cos.
// if we have localhost.com , we want the localhost.com.
// so if we have something like: mysubdomain.localhost.com we want the localhost here
// if we have mysubsubdomain.mysubdomain.localhost.com we want the .mysubdomain.localhost.com here
// slow things here, especially the 'replace' but this is a good and understable( I hope) way to get the be able to set cookies from subdomains & domain with 1-level limit
if dotIdx := strings.LastIndexByte(requestDomain, '.'); dotIdx > 0 {
if dotIdx := strings.IndexByte(requestDomain, '.'); dotIdx > 0 {
// is mysubdomain.localhost.com || mysubsubdomain.mysubdomain.localhost.com
s := requestDomain[0:dotIdx] // set mysubdomain.localhost || mysubsubdomain.mysubdomain.localhost
if secondDotIdx := strings.LastIndexByte(s, '.'); secondDotIdx > 0 {
//is mysubdomain.localhost || mysubsubdomain.mysubdomain.localhost
s = s[secondDotIdx+1:] // set to localhost || mysubdomain.localhost
}
// replace the s with the requestDomain before the domain's siffux
subdomainSuff := strings.LastIndexByte(requestDomain, '.')
if subdomainSuff > len(s) { // if it is actual exists as subdomain suffix
requestDomain = strings.Replace(requestDomain, requestDomain[0:subdomainSuff], s, 1) // set to localhost.com || mysubdomain.localhost.com
if strings.IndexByte(requestDomain[dotIdx+1:], '.') > 0 {
requestDomain = requestDomain[dotIdx+1:]
}
}
// finally set the .localhost.com (for(1-level) || .mysubdomain.localhost.com (for 2-level subdomain allow)