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service-gateway/internal/handler/http_handler/session.go

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package http_handler
import (
"git.hlsq.asia/mmorpg/service-common/db/redis"
"git.hlsq.asia/mmorpg/service-common/utils"
"git.hlsq.asia/mmorpg/service-gateway/config"
"git.hlsq.asia/mmorpg/service-gateway/internal/global"
"github.com/gin-gonic/gin"
"github.com/google/uuid"
)
var (
scriptLoginSha1 string
scriptLogin = `
local at_key = KEYS[1] .. ARGV[1]
local rt_key = KEYS[2] .. ARGV[2]
local session_key = KEYS[3] .. ARGV[3]
redis.call("HSET", at_key,
"usn", ARGV[3],
"ip", ARGV[6],
"ua", ARGV[7],
"rt", ARGV[2]
)
redis.call("EXPIRE", at_key, tonumber(ARGV[4]))
redis.call("HSET", rt_key,
"usn", ARGV[3],
"ip", ARGV[6],
"ua", ARGV[7],
"at", ARGV[1]
)
redis.call("EXPIRE", rt_key, tonumber(ARGV[5]))
local all_rts = redis.call("SMEMBERS", session_key)
-- 只允许最大10个会话多了的随机踢掉
if #all_rts >= 10 then
local rk = KEYS[2] .. all_rts[1]
local ak = KEYS[1] .. redis.call("HGET", rk, "at")
redis.call("DEL", rk)
redis.call("DEL", ak)
end
-- 清理已经失效的会话
for i, rt in ipairs(all_rts) do
if redis.call("EXISTS", KEYS[2] .. rt) == 0 then
redis.call("SREM", session_key, rt)
end
end
redis.call("SADD", session_key, ARGV[2])
redis.call("EXPIRE", session_key, tonumber(ARGV[5]) + 600)
return 1
`
)
func sessionLogin(c *gin.Context, usn int64) (string, string, error) {
if scriptLoginSha1 == "" {
scriptLoginSha1 = redis.GetClient().ScriptLoad(c, scriptLogin).Val()
}
at := uuid.New().String()
rt := uuid.New().String()
err := redis.GetClient().EvalSha(
c, scriptLoginSha1,
[]string{global.KeyGatewayAccessToken, global.KeyGatewayRefreshToken, global.KeyGatewaySession},
at,
rt,
usn,
config.Get().Auth.ShortExpire,
config.Get().Auth.LongExpire,
c.RemoteIP(),
c.GetHeader("User-Agent"),
).Err()
if err != nil {
return "", "", utils.ErrorsWrap(err)
}
c.SetCookie("refresh_token", rt, int(config.Get().Auth.LongExpire), "/", ".hlsq.asia", true, true)
return at, rt, nil
}
var (
scriptLogoutSha1 string
scriptLogout = `
local rt_key = KEYS[2] .. ARGV[1]
local usn = redis.call("HGET", rt_key, "usn")
local at = redis.call("HGET", rt_key, "at")
local at_key = KEYS[1] .. at
local session_key = KEYS[3] .. usn
redis.call("DEL", at_key)
redis.call("DEL", rt_key)
redis.call("SREM", session_key, ARGV[1])
return 1
`
)
func sessionLogout(c *gin.Context, rt string) error {
if scriptLogoutSha1 == "" {
scriptLogoutSha1 = redis.GetClient().ScriptLoad(c, scriptLogout).Val()
}
return redis.GetClient().EvalSha(
c, scriptLogoutSha1,
[]string{global.KeyGatewayAccessToken, global.KeyGatewayRefreshToken, global.KeyGatewaySession},
rt,
).Err()
}