Add proper error message if session provider can not be created (#35520)

the middleware that creates the session provider just panics if on
creation the config is wrong.
this is not catched and so you just get an cryptic stacktrace with no
point where to look at (as user).

## Before

```
2025/09/16 03:56:37 ...xer/stats/indexer.go:87:populateRepoIndexer() [I] Done (re)populating the repo stats indexer with existing repositories
2025/09/16 03:56:37 modules/ssh/ssh.go:387:Listen() [I] Adding SSH host key: /var/lib/gitea/data/ssh/gitea.rsa
2025/09/16 03:56:37 modules/ssh/init.go:26:Init() [I] SSH server started on :1234. Cipher list ([chacha20-poly1305@openssh.com aes128-ctr aes192-ctr aes256-ctr aes128-gcm@openssh.com aes256-gcm@openssh.com]), key exchange algorithms ([curve25519-sha256 ecdh-sha2-nistp256 ecdh-sha2-nistp384 ecdh-sha2-nistp521 diffie-hellman-group14-sha256 diffie-hellman-group14-sha1]), MACs ([hmac-sha2-256-etm@openssh.com hmac-sha2-256 hmac-sha1])
2025/09/16 03:56:37 ...s/graceful/server.go:50:NewServer() [I] Starting new SSH server: tcp::1234 on PID: 83337
2025/09/16 03:56:38 cmd/web.go:231:func1() [F] PANIC: dial tcp 127.0.0.1:6379: connect: connection refused
gitea.com/go-chi/session@v0.0.0-20240316035857-16768d98ec96/session.go:239 (0x1cdb908)
code.gitea.io/gitea/routers/common/middleware.go:108 (0x2547f5a)
code.gitea.io/gitea/routers/web/web.go:270 (0x278b8e9)
code.gitea.io/gitea/routers/init.go:185 (0x2850d89)
code.gitea.io/gitea/cmd/web.go:211 (0x295c5ad)
code.gitea.io/gitea/cmd/web.go:262 (0x295cacb)
code.gitea.io/gitea/cmd/main.go:111 (0x2953422)
github.com/urfave/cli/v2@v2.27.2/command.go:276 (0x1cc3dfd)
github.com/urfave/cli/v2@v2.27.2/command.go:269 (0x1cc4084)
github.com/urfave/cli/v2@v2.27.2/app.go:333 (0x1cc086a)
github.com/urfave/cli/v2@v2.27.2/app.go:307 (0x2953f18)
code.gitea.io/gitea/cmd/main.go:172 (0x2953efc)
code.gitea.io/gitea/main.go:46 (0x2998498)
runtime/proc.go:283 (0x4471ca)
runtime/asm_amd64.s:1700 (0x484a20)
```

## After

```
2025/09/22 22:52:35 .../templates/htmlrenderer.go:118:initHTMLRenderer() [D] Creating static HTML Renderer
2025/09/22 22:52:35 routers/web/web.go:273:Routes() [F] common.Sessioner failed: failed to create session middleware: dial tcp 127.0.0.1:6379: connect: connection refused
```

---------

Signed-off-by: 6543 <6543@obermui.de>
This commit is contained in:
6543
2025-09-28 14:24:19 +02:00
committed by GitHub
parent 151ef80e28
commit fbe80e6df2
8 changed files with 56 additions and 31 deletions

View File

@@ -135,10 +135,12 @@ func (p *RedisProvider) Init(maxlifetime int64, configs string) (err error) {
// Read returns raw session store by session ID.
func (p *RedisProvider) Read(sid string) (session.RawStore, error) {
psid := p.prefix + sid
if !p.Exist(sid) {
if exist, err := p.Exist(sid); err == nil && !exist {
if err := p.c.Set(graceful.GetManager().HammerContext(), psid, "", p.duration).Err(); err != nil {
return nil, err
}
} else if err != nil {
return nil, err
}
var kv map[any]any
@@ -159,9 +161,9 @@ func (p *RedisProvider) Read(sid string) (session.RawStore, error) {
}
// Exist returns true if session with given ID exists.
func (p *RedisProvider) Exist(sid string) bool {
func (p *RedisProvider) Exist(sid string) (bool, error) {
v, err := p.c.Exists(graceful.GetManager().HammerContext(), p.prefix+sid).Result()
return err == nil && v == 1
return err == nil && v == 1, err
}
// Destroy deletes a session by session ID.
@@ -174,13 +176,18 @@ func (p *RedisProvider) Regenerate(oldsid, sid string) (_ session.RawStore, err
poldsid := p.prefix + oldsid
psid := p.prefix + sid
if p.Exist(sid) {
if exist, err := p.Exist(sid); err != nil {
return nil, err
} else if exist {
return nil, fmt.Errorf("new sid '%s' already exists", sid)
} else if !p.Exist(oldsid) {
}
if exist, err := p.Exist(oldsid); err == nil && !exist {
// Make a fake old session.
if err = p.c.Set(graceful.GetManager().HammerContext(), poldsid, "", p.duration).Err(); err != nil {
if err := p.c.Set(graceful.GetManager().HammerContext(), poldsid, "", p.duration).Err(); err != nil {
return nil, err
}
} else if err != nil {
return nil, err
}
// do not use Rename here, because the old sid and new sid may be in different redis cluster slot.
@@ -211,12 +218,9 @@ func (p *RedisProvider) Regenerate(oldsid, sid string) (_ session.RawStore, err
}
// Count counts and returns number of sessions.
func (p *RedisProvider) Count() int {
func (p *RedisProvider) Count() (int, error) {
size, err := p.c.DBSize(graceful.GetManager().HammerContext()).Result()
if err != nil {
return 0
}
return int(size)
return int(size), err
}
// GC calls GC to clean expired sessions.