authorizer/server/cookie/cookie.go
2022-02-28 21:26:49 +05:30

127 lines
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package cookie
import (
"net/http"
"net/url"
"github.com/authorizerdev/authorizer/server/constants"
"github.com/authorizerdev/authorizer/server/envstore"
"github.com/authorizerdev/authorizer/server/utils"
"github.com/gin-gonic/gin"
)
// SetSessionCookie sets the session cookie in the response
func SetSessionCookie(gc *gin.Context, sessionID string) {
secure := true
httpOnly := true
hostname := utils.GetHost(gc)
host, _ := utils.GetHostParts(hostname)
domain := utils.GetDomainName(hostname)
if domain != "localhost" {
domain = "." + domain
}
// TODO allow configuring from dashboard
year := 60 * 60 * 24 * 365
gc.SetSameSite(http.SameSiteNoneMode)
gc.SetCookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName)+"_session", sessionID, year, "/", host, secure, httpOnly)
gc.SetCookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName)+"_session.domain", sessionID, year, "/", domain, secure, httpOnly)
// Fallback cookie for anomaly getection on browsers that dont support the sameSite=None attribute.
gc.SetSameSite(http.SameSiteDefaultMode)
gc.SetCookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName)+"_session_compat", sessionID, year, "/", host, secure, httpOnly)
gc.SetCookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName)+"_session.domain_compat", sessionID, year, "/", domain, secure, httpOnly)
}
// SetCookie sets the cookie in the response. It sets 4 cookies
// 1 COOKIE_NAME.access_token jwt token for the host (temp.abc.com)
// 2 COOKIE_NAME.access_token.domain jwt token for the domain (abc.com).
// 3 COOKIE_NAME.fingerprint fingerprint hash for the refresh token verification.
// 4 COOKIE_NAME.refresh_token refresh token
// Note all sites don't allow 2nd type of cookie
func SetCookie(gc *gin.Context, accessToken, refreshToken, fingerprintHash string) {
secure := true
httpOnly := true
hostname := utils.GetHost(gc)
host, _ := utils.GetHostParts(hostname)
domain := utils.GetDomainName(hostname)
if domain != "localhost" {
domain = "." + domain
}
year := 60 * 60 * 24 * 365
thirtyMin := 60 * 30
gc.SetSameSite(http.SameSiteNoneMode)
// set cookie for host
gc.SetCookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName)+".access_token", accessToken, thirtyMin, "/", host, secure, httpOnly)
// in case of subdomain, set cookie for domain
gc.SetCookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName)+".access_token.domain", accessToken, thirtyMin, "/", domain, secure, httpOnly)
// set finger print cookie (this should be accessed via cookie only)
gc.SetCookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName)+".fingerprint", fingerprintHash, year, "/", host, secure, httpOnly)
// set refresh token cookie (this should be accessed via cookie only)
gc.SetCookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName)+".refresh_token", refreshToken, year, "/", host, secure, httpOnly)
}
// GetAccessTokenCookie to get access token cookie from the request
func GetAccessTokenCookie(gc *gin.Context) (string, error) {
cookie, err := gc.Request.Cookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName) + ".access_token")
if err != nil {
cookie, err = gc.Request.Cookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName) + ".access_token.domain")
if err != nil {
return "", err
}
}
return cookie.Value, nil
}
// GetRefreshTokenCookie to get refresh token cookie
func GetRefreshTokenCookie(gc *gin.Context) (string, error) {
cookie, err := gc.Request.Cookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName) + ".refresh_token")
if err != nil {
return "", err
}
return cookie.Value, nil
}
// GetFingerPrintCookie to get fingerprint cookie
func GetFingerPrintCookie(gc *gin.Context) (string, error) {
cookie, err := gc.Request.Cookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName) + ".fingerprint")
if err != nil {
return "", err
}
// cookie escapes special characters like $
// hence we need to unescape before comparing
decodedValue, err := url.QueryUnescape(cookie.Value)
if err != nil {
return "", err
}
return decodedValue, nil
}
// DeleteCookie sets response cookies to expire
func DeleteCookie(gc *gin.Context) {
secure := true
httpOnly := true
hostname := utils.GetHost(gc)
host, _ := utils.GetHostParts(hostname)
domain := utils.GetDomainName(hostname)
if domain != "localhost" {
domain = "." + domain
}
gc.SetSameSite(http.SameSiteNoneMode)
gc.SetCookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName)+".access_token", "", -1, "/", host, secure, httpOnly)
gc.SetCookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName)+".access_token.domain", "", -1, "/", domain, secure, httpOnly)
gc.SetCookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName)+".fingerprint", "", -1, "/", host, secure, httpOnly)
gc.SetCookie(envstore.EnvStoreObj.GetStringStoreEnvVariable(constants.EnvKeyCookieName)+".refresh_token", "", -1, "/", host, secure, httpOnly)
}