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Add SameSite setting for cookies (#14900)

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Add SameSite setting for cookies and rationalise the cookie setting code. Switches SameSite to Lax by default. 

There is a possible future extension of differentiating which cookies could be set at Strict by default but that is for a future PR.

Fix #5583

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2021-03-07 08:12:43 +00:00 • committed by GitHub
parent beed5476e2
commit 9b261f52f0
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GPG key ID: 4AEE18F83AFDEB23
14 changed files with 184 additions and 45 deletions
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13
modules/setting/session.go
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@ -5,6 +5,7 @@
package setting
import (
"net/http"
"path"
"path/filepath"
"strings"
@ -31,10 +32,13 @@ var (
Secure bool
// Cookie domain name. Default is empty.
Domain string
// SameSite declares if your cookie should be restricted to a first-party or same-site context. Valid strings are "none", "lax", "strict". Default is "lax"
SameSite http.SameSite
}{
CookieName: "i_like_gitea",
Gclifetime: 86400,
Maxlifetime: 86400,
SameSite: http.SameSiteLaxMode,
}
)
@ -52,6 +56,15 @@ func newSessionService() {
SessionConfig.Gclifetime = sec.Key("GC_INTERVAL_TIME").MustInt64(86400)
SessionConfig.Maxlifetime = sec.Key("SESSION_LIFE_TIME").MustInt64(86400)
SessionConfig.Domain = sec.Key("DOMAIN").String()
samesiteString := sec.Key("SAME_SITE").In("lax", []string{"none", "lax", "strict"})
switch strings.ToLower(samesiteString) {
case "none":
SessionConfig.SameSite = http.SameSiteNoneMode
case "strict":
SessionConfig.SameSite = http.SameSiteStrictMode
default:
SessionConfig.SameSite = http.SameSiteLaxMode
}
json := jsoniter.ConfigCompatibleWithStandardLibrary
shadowConfig, err := json.Marshal(SessionConfig)