Allow options to disable user ssh keys configuration from the interface on app.ini (#29447)

Follow #29275
Extract from #20549
Fix #24716

---------

Co-authored-by: delvh <dev.lh@web.de>

custom/conf/app.example.ini

@@ -1480,8 +1480,9 @@ LEVEL = Info
 ;;
 ;; Default configuration for email notifications for users (user configurable). Options: enabled, onmention, disabled
 ;DEFAULT_EMAIL_NOTIFICATIONS = enabled
-;; Disabled features for users, could be "deletion","manage_gpg_keys" more features can be disabled in future
+;; Disabled features for users, could be "deletion", "manage_ssh_keys","manage_gpg_keys" more features can be disabled in future
 ;; - deletion: a user cannot delete their own account
+;; - manage_ssh_keys: a user cannot configure ssh keys
 ;; - manage_gpg_keys: a user cannot configure gpg keys
 ;USER_DISABLED_FEATURES =
 

docs/content/administration/config-cheat-sheet.en-us.md

@@ -518,9 +518,10 @@ And the following unique queues:
 
 - `DEFAULT_EMAIL_NOTIFICATIONS`: **enabled**: Default configuration for email notifications for users (user configurable). Options: enabled, onmention, disabled
 - `DISABLE_REGULAR_ORG_CREATION`: **false**: Disallow regular (non-admin) users from creating organizations.
-- `USER_DISABLED_FEATURES`: **_empty_** Disabled features for users, could be `deletion`, `manage_gpg_keys` and more features can be added in future.
+- `USER_DISABLED_FEATURES`: **_empty_** Disabled features for users, could be `deletion`, `manage_ssh_keys`, `manage_gpg_keys` and more features can be added in future.
   - `deletion`: User cannot delete their own account.
-  - `manage_gpg_keys`: User cannot configure gpg keys
+  - `manage_ssh_keys`: User cannot configure ssh keys.
+  - `manage_gpg_keys`: User cannot configure gpg keys.
 
 ## Security (`security`)
 

docs/content/administration/config-cheat-sheet.zh-cn.md

@@ -497,9 +497,10 @@ Gitea 创建以下非唯一队列：
 
 - `DEFAULT_EMAIL_NOTIFICATIONS`: **enabled**：用户电子邮件通知的默认配置（用户可配置）。选项：enabled、onmention、disabled
 - `DISABLE_REGULAR_ORG_CREATION`: **false**：禁止普通（非管理员）用户创建组织。
-- `USER_DISABLED_FEATURES`:**_empty_** 禁用的用户特性，当前允许为空或者 `deletion`，`manage_gpg_keys` 未来可以增加更多设置。
+- `USER_DISABLED_FEATURES`:**_empty_** 禁用的用户特性，当前允许为空或者 `deletion`，`manage_ssh_keys`， `manage_gpg_keys` 未来可以增加更多设置。
   - `deletion`: 用户不能通过界面或者API删除他自己。
-  - `manage_gpg_keys`: 用户不能配置 GPG 密钥
+  - `manage_ssh_keys`: 用户不能通过界面或者API配置SSH Keys。
+  - `manage_gpg_keys`: 用户不能配置 GPG 密钥。
 
 ## 安全性 (`security`)
 

modules/setting/admin.go

@@ -21,5 +21,6 @@ func loadAdminFrom(rootCfg ConfigProvider) {
 
 const (
 	UserFeatureDeletion      = "deletion"
+	UserFeatureManageSSHKeys = "manage_ssh_keys"
 	UserFeatureManageGPGKeys = "manage_gpg_keys"
 )

routers/api/v1/user/key.go

@@ -5,6 +5,7 @@ package user
 
 import (
 	std_ctx "context"
+	"fmt"
 	"net/http"
 
 	asymkey_model "code.gitea.io/gitea/models/asymkey"
@@ -198,6 +199,11 @@ func GetPublicKey(ctx *context.APIContext) {
 
 // CreateUserPublicKey creates new public key to given user by ID.
 func CreateUserPublicKey(ctx *context.APIContext, form api.CreateKeyOption, uid int64) {
+	if setting.Admin.UserDisabledFeatures.Contains(setting.UserFeatureManageSSHKeys) {
+		ctx.NotFound("Not Found", fmt.Errorf("ssh keys setting is not allowed to be visited"))
+		return
+	}
+
 	content, err := asymkey_model.CheckPublicKeyString(form.Key)
 	if err != nil {
 		repo.HandleCheckKeyStringError(ctx, err)
@@ -263,6 +269,11 @@ func DeletePublicKey(ctx *context.APIContext) {
 	//   "404":
 	//     "$ref": "#/responses/notFound"
 
+	if setting.Admin.UserDisabledFeatures.Contains(setting.UserFeatureManageSSHKeys) {
+		ctx.NotFound("Not Found", fmt.Errorf("ssh keys setting is not allowed to be visited"))
+		return
+	}
+
 	id := ctx.ParamsInt64(":id")
 	externallyManaged, err := asymkey_model.PublicKeyIsExternallyManaged(ctx, id)
 	if err != nil {

routers/web/user/setting/keys.go

@@ -159,6 +159,11 @@ func KeysPost(ctx *context.Context) {
 		ctx.Flash.Success(ctx.Tr("settings.verify_gpg_key_success", keyID))
 		ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
 	case "ssh":
+		if setting.Admin.UserDisabledFeatures.Contains(setting.UserFeatureManageSSHKeys) {
+			ctx.NotFound("Not Found", fmt.Errorf("ssh keys setting is not allowed to be visited"))
+			return
+		}
+
 		content, err := asymkey_model.CheckPublicKeyString(form.Content)
 		if err != nil {
 			if db.IsErrSSHDisabled(err) {
@@ -198,6 +203,11 @@ func KeysPost(ctx *context.Context) {
 		ctx.Flash.Success(ctx.Tr("settings.add_key_success", form.Title))
 		ctx.Redirect(setting.AppSubURL + "/user/settings/keys")
 	case "verify_ssh":
+		if setting.Admin.UserDisabledFeatures.Contains(setting.UserFeatureManageSSHKeys) {
+			ctx.NotFound("Not Found", fmt.Errorf("ssh keys setting is not allowed to be visited"))
+			return
+		}
+
 		token := asymkey_model.VerificationToken(ctx.Doer, 1)
 		lastToken := asymkey_model.VerificationToken(ctx.Doer, 0)
 
@@ -240,6 +250,11 @@ func DeleteKey(ctx *context.Context) {
 			ctx.Flash.Success(ctx.Tr("settings.gpg_key_deletion_success"))
 		}
 	case "ssh":
+		if setting.Admin.UserDisabledFeatures.Contains(setting.UserFeatureManageSSHKeys) {
+			ctx.NotFound("Not Found", fmt.Errorf("ssh keys setting is not allowed to be visited"))
+			return
+		}
+
 		keyID := ctx.FormInt64("id")
 		external, err := asymkey_model.PublicKeyIsExternallyManaged(ctx, keyID)
 		if err != nil {
@@ -318,4 +333,5 @@ func loadKeysData(ctx *context.Context) {
 
 	ctx.Data["VerifyingID"] = ctx.FormString("verify_gpg")
 	ctx.Data["VerifyingFingerprint"] = ctx.FormString("verify_ssh")
+	ctx.Data["UserDisabledFeatures"] = &setting.Admin.UserDisabledFeatures
 }

templates/user/settings/keys.tmpl

@@ -1,6 +1,8 @@
 {{template "user/settings/layout_head" (dict "ctxData" . "pageClass" "user settings sshkeys")}}
 	<div class="user-setting-content">
-		{{template "user/settings/keys_ssh" .}}
+		{{if not ($.UserDisabledFeatures.Contains "manage_ssh_keys")}}
+			{{template "user/settings/keys_ssh" .}}
+		{{end}}
 		{{template "user/settings/keys_principal" .}}
 		{{if not ($.UserDisabledFeatures.Contains "manage_gpg_keys")}}
 		{{template "user/settings/keys_gpg" .}}