add other session providers

docs/content/doc/advanced/config-cheat-sheet.en-us.md

@@ -250,7 +250,7 @@ Values containing `#` or `;` must be quoted using `` ` `` or `"""`.
 
 ## Session (`session`)
 
-- `PROVIDER`: **memory**: Session engine provider \[memory, file, redis, mysql\].
+- `PROVIDER`: **memory**: Session engine provider \[memory, file, redis, mysql, couchbase, memcache, nodb, postgres\].
 - `PROVIDER_CONFIG`: **data/sessions**: For file, the root path; for others, the connection string.
 - `COOKIE_SECURE`: **false**: Enable this to force using HTTPS for all session access.
 - `COOKIE_NAME`: **i\_like\_gitea**: The name of the cookie used for the session ID.

modules/setting/setting.go

@@ -31,7 +31,12 @@ import (
 	_ "github.com/go-macaron/cache/memcache" // memcache plugin for cache
 	_ "github.com/go-macaron/cache/redis"
 	"github.com/go-macaron/session"
-	_ "github.com/go-macaron/session/redis" // redis plugin for store session
+	_ "github.com/go-macaron/session/couchbase" // couchbase plugin for session store
+	_ "github.com/go-macaron/session/memcache"  // memcache plugin for session store
+	_ "github.com/go-macaron/session/mysql"     // mysql plugin for session store
+	_ "github.com/go-macaron/session/nodb"      // nodb plugin for session store
+	_ "github.com/go-macaron/session/postgres"  // postgres plugin for session store
+	_ "github.com/go-macaron/session/redis"     // redis plugin for store session
 	"github.com/go-xorm/core"
 	shellquote "github.com/kballard/go-shellquote"
 	version "github.com/mcuadros/go-version"
@@ -1506,7 +1511,7 @@ func newCacheService() {
 
 func newSessionService() {
 	SessionConfig.Provider = Cfg.Section("session").Key("PROVIDER").In("memory",
-		[]string{"memory", "file", "redis", "mysql"})
+		[]string{"memory", "file", "redis", "mysql", "postgres", "couchbase", "memcache", "nodb"})
 	SessionConfig.ProviderConfig = strings.Trim(Cfg.Section("session").Key("PROVIDER_CONFIG").MustString(path.Join(AppDataPath, "sessions")), "\" ")
 	if SessionConfig.Provider == "file" && !filepath.IsAbs(SessionConfig.ProviderConfig) {
 		SessionConfig.ProviderConfig = path.Join(AppWorkPath, SessionConfig.ProviderConfig)