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https://github.com/kataras/iris/issues/1061

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Former-commit-id: 4324e81ea94ef917ce39005b6038a6819bb63258
This commit is contained in:
Gerasimos (Makis) Maropoulos
2018-08-14 16:29:04 +03:00
parent 20c0bbe9ba
commit f6436f2af4
11 changed files with 191 additions and 36 deletions
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18
sessions/database.go
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@@ -4,9 +4,14 @@ import (
"sync"
"time"
"github.com/kataras/iris/core/errors"
"github.com/kataras/iris/core/memstore"
)
// ErrNotImplemented is returned when a particular feature is not yet implemented yet.
// It can be matched directly, i.e: `isNotImplementedError := sessions.ErrNotImplemented.Equal(err)`.
var ErrNotImplemented = errors.New("not implemented yet")
// Database is the interface which all session databases should implement
// By design it doesn't support any type of cookie session like other frameworks.
// I want to protect you, believe me.
@@ -20,6 +25,16 @@ type Database interface {
// Acquire receives a session's lifetime from the database,
// if the return value is LifeTime{} then the session manager sets the life time based on the expiration duration lives in configuration.
Acquire(sid string, expires time.Duration) LifeTime
// OnUpdateExpiration should re-set the expiration (ttl) of the session entry inside the database,
// it is fired on `ShiftExpiration` and `UpdateExpiration`.
// If the database does not support change of ttl then the session entry will be cloned to another one
// and the old one will be removed, it depends on the chosen database storage.
//
// Check of error is required, if error returned then the rest session's keys are not proceed.
//
// Currently only "redis" database is designed to use that event.
// If A database is not support this feature then a `ErrNotImplemented` will be returned instead.
OnUpdateExpiration(sid string, newExpires time.Duration) error
// Set sets a key value of a specific session.
// The "immutable" input argument depends on the store, it may not implement it at all.
Set(sid string, lifetime LifeTime, key string, value interface{}, immutable bool)
@@ -54,6 +69,9 @@ func (s *mem) Acquire(sid string, expires time.Duration) LifeTime {
return LifeTime{}
}
// Do nothing, the `LifeTime` of the Session will be managed by the callers automatically on memory-based storage.
func (s *mem) OnUpdateExpiration(string, time.Duration) error { return nil }
// immutable depends on the store, it may not implement it at all.
func (s *mem) Set(sid string, lifetime LifeTime, key string, value interface{}, immutable bool) {
s.mu.RLock()