Add proper error message if session provider can not be created

go.mod

@@ -16,7 +16,7 @@ require (
 	gitea.com/go-chi/binding v0.0.0-20240430071103-39a851e106ed
 	gitea.com/go-chi/cache v0.2.1
 	gitea.com/go-chi/captcha v0.0.0-20240315150714-fb487f629098
-	gitea.com/go-chi/session v0.0.0-20240316035857-16768d98ec96
+	gitea.com/go-chi/session v0.0.0-20250926004215-636cadd82e15
 	gitea.com/lunny/dingtalk_webhook v0.0.0-20171025031554-e3534c89ef96
 	gitea.com/lunny/levelqueue v0.4.2-0.20230414023320-3c0159fe0fe4
 	github.com/42wim/httpsig v1.2.3

go.sum

@@ -43,8 +43,8 @@ gitea.com/go-chi/cache v0.2.1 h1:bfAPkvXlbcZxPCpcmDVCWoHgiBSBmZN/QosnZvEC0+g=
 gitea.com/go-chi/cache v0.2.1/go.mod h1:Qic0HZ8hOHW62ETGbonpwz8WYypj9NieU9659wFUJ8Q=
 gitea.com/go-chi/captcha v0.0.0-20240315150714-fb487f629098 h1:p2ki+WK0cIeNQuqjR98IP2KZQKRzJJiV7aTeMAFwaWo=
 gitea.com/go-chi/captcha v0.0.0-20240315150714-fb487f629098/go.mod h1:LjzIOHlRemuUyO7WR12fmm18VZIlCAaOt9L3yKw40pk=
-gitea.com/go-chi/session v0.0.0-20240316035857-16768d98ec96 h1:IFDiMBObsP6CZIRaDLd54SR6zPYAffPXiXck5Xslu0Q=
-gitea.com/go-chi/session v0.0.0-20240316035857-16768d98ec96/go.mod h1:0iEpFKnwO5dG0aF98O4eq6FMsAiXkNBaDIlUOlq4BtM=
+gitea.com/go-chi/session v0.0.0-20250926004215-636cadd82e15 h1:qFYmz05u/s9664o7+XEgrlHXSPQ4uHO8/ccZGUb1uxA=
+gitea.com/go-chi/session v0.0.0-20250926004215-636cadd82e15/go.mod h1:0iEpFKnwO5dG0aF98O4eq6FMsAiXkNBaDIlUOlq4BtM=
 gitea.com/lunny/dingtalk_webhook v0.0.0-20171025031554-e3534c89ef96 h1:+wWBi6Qfruqu7xJgjOIrKVQGiLUZdpKYCZewJ4clqhw=
 gitea.com/lunny/dingtalk_webhook v0.0.0-20171025031554-e3534c89ef96/go.mod h1:VyMQP6ue6MKHM8UsOXfNfuMKD0oSAWZdXVcpHIN2yaY=
 gitea.com/lunny/levelqueue v0.4.2-0.20230414023320-3c0159fe0fe4 h1:IFT+hup2xejHqdhS7keYWioqfmxdnfblFDTGoOwcZ+o=

modules/session/db.go

@@ -5,6 +5,7 @@ package session
 
 import (
 	"context"
+	"fmt"
 	"log"
 	"sync"
 
@@ -121,12 +122,12 @@ func (p *DBProvider) Read(sid string) (session.RawStore, error) {
 }
 
 // Exist returns true if session with given ID exists.
-func (p *DBProvider) Exist(sid string) bool {
+func (p *DBProvider) Exist(sid string) (bool, error) {
 	has, err := auth.ExistSession(dbContext(), sid)
 	if err != nil {
-		panic("session/DB: error checking existence: " + err.Error())
+		return false, fmt.Errorf("session/DB: error checking existence: %w", err)
 	}
-	return has
+	return has, nil
 }
 
 // Destroy deletes a session by session ID.
@@ -155,12 +156,12 @@ func (p *DBProvider) Regenerate(oldsid, sid string) (_ session.RawStore, err err
 }
 
 // Count counts and returns number of sessions.
-func (p *DBProvider) Count() int {
+func (p *DBProvider) Count() (int, error) {
 	total, err := auth.CountSessions(dbContext())
 	if err != nil {
-		panic("session/DB: error counting records: " + err.Error())
+		return 0, fmt.Errorf("session/DB: error counting records: %w", err)
 	}
-	return int(total)
+	return int(total), nil
 }
 
 // GC calls GC to clean expired sessions.

modules/session/redis.go

@@ -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.

modules/session/virtual.go

@@ -59,17 +59,19 @@ func (o *VirtualSessionProvider) Init(gcLifetime int64, config string) error {
 func (o *VirtualSessionProvider) Read(sid string) (session.RawStore, error) {
 	o.lock.RLock()
 	defer o.lock.RUnlock()
-	if o.provider.Exist(sid) {
+	if exist, err := o.provider.Exist(sid); err == nil && exist {
 		return o.provider.Read(sid)
+	} else if err != nil {
+		return nil, fmt.Errorf("check if '%s' exist failed: %w", sid, err)
 	}
 	kv := make(map[any]any)
 	kv["_old_uid"] = "0"
 	return NewVirtualStore(o, sid, kv), nil
 }
 
 // Exist returns true if session with given ID exists.
-func (o *VirtualSessionProvider) Exist(sid string) bool {
-	return true
+func (o *VirtualSessionProvider) Exist(sid string) (bool, error) {
+	return true, nil
 }
 
 // Destroy deletes a session by session ID.
@@ -87,7 +89,7 @@ func (o *VirtualSessionProvider) Regenerate(oldsid, sid string) (session.RawStor
 }
 
 // Count counts and returns number of sessions.
-func (o *VirtualSessionProvider) Count() int {
+func (o *VirtualSessionProvider) Count() (int, error) {
 	o.lock.RLock()
 	defer o.lock.RUnlock()
 	return o.provider.Count()
@@ -162,9 +164,13 @@ func (s *VirtualStore) Release() error {
 		// Now ensure that we don't exist!
 		realProvider := s.p.provider
 
-		if !s.released && realProvider.Exist(s.sid) {
-			// This is an error!
-			return fmt.Errorf("new sid '%s' already exists", s.sid)
+		if !s.released {
+			if exist, err := realProvider.Exist(s.sid); err == nil && exist {
+				// This is an error!
+				return fmt.Errorf("new sid '%s' already exists", s.sid)
+			} else if err != nil {
+				return fmt.Errorf("check if '%s' exist failed: %w", s.sid, err)
+			}
 		}
 		realStore, err := realProvider.Read(s.sid)
 		if err != nil {

routers/common/middleware.go

@@ -107,8 +107,8 @@ func ForwardedHeadersHandler(limit int, trustedProxies []string) func(h http.Han
 	return proxy.ForwardedHeaders(opt)
 }
 
-func Sessioner() func(next http.Handler) http.Handler {
-	return session.Sessioner(session.Options{
+func Sessioner() (func(next http.Handler) http.Handler, error) {
+	middleware, err := session.Sessioner(session.Options{
 		Provider:       setting.SessionConfig.Provider,
 		ProviderConfig: setting.SessionConfig.ProviderConfig,
 		CookieName:     setting.SessionConfig.CookieName,
@@ -119,4 +119,9 @@ func Sessioner() func(next http.Handler) http.Handler {
 		SameSite:       setting.SessionConfig.SameSite,
 		Domain:         setting.SessionConfig.Domain,
 	})
+	if err != nil {
+		return nil, fmt.Errorf("failed to create session middleware: %w", err)
+	}
+
+	return middleware, nil
 }

routers/install/routes.go

@@ -8,6 +8,7 @@ import (
 	"html"
 	"net/http"
 
+	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/public"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/web"
@@ -23,7 +24,11 @@ func Routes() *web.Router {
 	base.Methods("GET, HEAD", "/assets/*", public.FileHandlerFunc())
 
 	r := web.NewRouter()
-	r.Use(common.Sessioner(), Contexter())
+	if sessionMid, err := common.Sessioner(); err == nil && sessionMid != nil {
+		r.Use(sessionMid, Contexter())
+	} else {
+		log.Fatal("common.Sessioner failed: %v", err)
+	}
 	r.Get("/", Install) // it must be on the root, because the "install.js" use the window.location to replace the "localhost" AppURL
 	r.Post("/", web.Bind(forms.InstallForm{}), SubmitInstall)
 	r.Get("/post-install", InstallDone)

routers/web/web.go

@@ -267,7 +267,11 @@ func Routes() *web.Router {
 	routes.Get("/ssh_info", misc.SSHInfo)
 	routes.Get("/api/healthz", healthcheck.Check)
 
-	mid = append(mid, common.Sessioner(), context.Contexter())
+	if sessionMid, err := common.Sessioner(); err == nil && sessionMid != nil {
+		mid = append(mid, sessionMid, context.Contexter())
+	} else {
+		log.Fatal("common.Sessioner failed: %v", err)
+	}
 
 	// Get user from session if logged in.
 	mid = append(mid, webAuth(buildAuthGroup()))