Specify work-path in SSH authorized keys (go-gitea#22754)

- Backport go-gitea#22754
  - This should prevent SSH failures from happening as described in go-gitea#19317

Author: Gusted

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

@@ -293,7 +293,7 @@ The following configuration set `Content-Type: application/vnd.android.package-a
 - `SSH_AUTHORIZED_PRINCIPALS_ALLOW`: **off** or **username, email**: \[off, username, email, anything\]: Specify the principals values that users are allowed to use as principal. When set to `anything` no checks are done on the principal string. When set to `off` authorized principal are not allowed to be set.
 - `SSH_CREATE_AUTHORIZED_PRINCIPALS_FILE`: **false/true**: Gitea will create a authorized_principals file by default when it is not using the internal ssh server and `SSH_AUTHORIZED_PRINCIPALS_ALLOW` is not `off`.
 - `SSH_AUTHORIZED_PRINCIPALS_BACKUP`: **false/true**: Enable SSH Authorized Principals Backup when rewriting all keys, default is true if `SSH_AUTHORIZED_PRINCIPALS_ALLOW` is not `off`.
-- `SSH_AUTHORIZED_KEYS_COMMAND_TEMPLATE`: **{{.AppPath}} --config={{.CustomConf}} serv key-{{.Key.ID}}**: Set the template for the command to passed on authorized keys. Possible keys are: AppPath, AppWorkPath, CustomConf, CustomPath, Key - where Key is a `models/asymkey.PublicKey` and the others are strings which are shellquoted.
+- `SSH_AUTHORIZED_KEYS_COMMAND_TEMPLATE`: **{{.AppPath}} --config={{.CustomConf}} --work-path={{.AppWorkPath}} serv key-{{.Key.ID}}**: Set the template for the command to passed on authorized keys. Possible keys are: AppPath, AppWorkPath, CustomConf, CustomPath, Key - where Key is a `models/asymkey.PublicKey` and the others are strings which are shellquoted.
 - `SSH_SERVER_CIPHERS`: **chacha20-poly1305@openssh.com, aes128-ctr, aes192-ctr, aes256-ctr, aes128-gcm@openssh.com, aes256-gcm@openssh.com**: For the built-in SSH server, choose the ciphers to support for SSH connections, for system SSH this setting has no effect.
 - `SSH_SERVER_KEY_EXCHANGES`: **curve25519-sha256, ecdh-sha2-nistp256, ecdh-sha2-nistp384, ecdh-sha2-nistp521, diffie-hellman-group14-sha256, diffie-hellman-group14-sha1**: For the built-in SSH server, choose the key exchange algorithms to support for SSH connections, for system SSH this setting has no effect.
 - `SSH_SERVER_MACS`: **hmac-sha2-256-etm@openssh.com, hmac-sha2-256, hmac-sha1**: For the built-in SSH server, choose the MACs to support for SSH connections, for system SSH this setting has no effect

Diff for: modules/setting/setting.go

@@ -183,7 +183,7 @@ var (
 		MinimumKeySizeCheck:           true,
 		MinimumKeySizes:               map[string]int{"ed25519": 256, "ed25519-sk": 256, "ecdsa": 256, "ecdsa-sk": 256, "rsa": 2047},
 		ServerHostKeys:                []string{"ssh/gitea.rsa", "ssh/gogs.rsa"},
-		AuthorizedKeysCommandTemplate: "{{.AppPath}} --config={{.CustomConf}} serv key-{{.Key.ID}}",
+		AuthorizedKeysCommandTemplate: "{{.AppPath}} --config={{.CustomConf}} --work-path={{.AppWorkPath}} serv key-{{.Key.ID}}",
 		PerWriteTimeout:               PerWriteTimeout,
 		PerWritePerKbTimeout:          PerWritePerKbTimeout,
 	}