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Use secure cookie for HTTPS sites #26999

Merged
merged 4 commits into from
Sep 11, 2023
Merged

Use secure cookie for HTTPS sites #26999

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c9d0ec9
fix
wxiaoguang Sep 10, 2023
aee808f
Merge branch 'main' into use-cookie-secure
lafriks Sep 10, 2023
53f066e
Merge branch 'main' into use-cookie-secure
GiteaBot Sep 11, 2023
7e3cdef
Merge branch 'main' into use-cookie-secure
GiteaBot Sep 11, 2023
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4 changes: 2 additions & 2 deletions custom/conf/app.example.ini
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Original file line number Diff line number Diff line change
Expand Up @@ -1746,8 +1746,8 @@ LEVEL = Info
;; Session cookie name
;COOKIE_NAME = i_like_gitea
;;
;; If you use session in https only, default is false
;COOKIE_SECURE = false
;; If you use session in https only: true or false. If not set, it defaults to `true` if the ROOT_URL is an HTTPS URL.
;COOKIE_SECURE =
;;
;; Session GC time interval in seconds, default is 86400 (1 day)
;GC_INTERVAL_TIME = 86400
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2 changes: 1 addition & 1 deletion docs/content/administration/config-cheat-sheet.en-us.md
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Expand Up @@ -777,7 +777,7 @@ and

- `PROVIDER`: **memory**: Session engine provider \[memory, file, redis, redis-cluster, db, mysql, couchbase, memcache, postgres\]. Setting `db` will reuse the configuration in `[database]`
- `PROVIDER_CONFIG`: **data/sessions**: For file, the root path; for db, empty (database config will be used); for others, the connection string. Relative paths will be made absolute against _`AppWorkPath`_.
- `COOKIE_SECURE`: **false**: Enable this to force using HTTPS for all session access.
- `COOKIE_SECURE`:**_empty_**: `true` or `false`. Enable this to force using HTTPS for all session access. If not set, it defaults to `true` if the ROOT_URL is an HTTPS URL.
- `COOKIE_NAME`: **i\_like\_gitea**: The name of the cookie used for the session ID.
- `GC_INTERVAL_TIME`: **86400**: GC interval in seconds.
- `SESSION_LIFE_TIME`: **86400**: Session life time in seconds, default is 86400 (1 day)
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2 changes: 1 addition & 1 deletion docs/content/administration/config-cheat-sheet.zh-cn.md
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Expand Up @@ -742,7 +742,7 @@ Gitea 创建以下非唯一队列：

- `PROVIDER`: **memory**：会话存储引擎 \[memory, file, redis, redis-cluster, db, mysql, couchbase, memcache, postgres\]。设置为 `db` 将会重用 `[database]` 的配置信息。
- `PROVIDER_CONFIG`: **data/sessions**：对于文件，为根路径；对于 db，为空（将使用数据库配置）；对于其他引擎，为连接字符串。相对路径将根据 _`AppWorkPath`_ 绝对化。
- `COOKIE_SECURE`: **false**：启用此选项以强制在所有会话访问中使用 HTTPS。
- `COOKIE_SECURE`: **_empty_**：`true` 或 `false`。启用此选项以强制在所有会话访问中使用 HTTPS。如果没有设置，当 ROOT_URL 是 https 链接的时候默认设置为 true。
- `COOKIE_NAME`: **i\_like\_gitea**：用于会话 ID 的 cookie 名称。
- `GC_INTERVAL_TIME`: **86400**：GC 间隔时间，以秒为单位。
- `SESSION_LIFE_TIME`: **86400**：会话生命周期，以秒为单位，默认为 86400（1 天）。
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2 changes: 1 addition & 1 deletion modules/setting/session.go
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Expand Up @@ -50,7 +50,7 @@ func loadSessionFrom(rootCfg ConfigProvider) {
}
SessionConfig.CookieName = sec.Key("COOKIE_NAME").MustString("i_like_gitea")
SessionConfig.CookiePath = AppSubURL + "/" // there was a bug, old code only set CookePath=AppSubURL, no trailing slash
SessionConfig.Secure = sec.Key("COOKIE_SECURE").MustBool(false)
SessionConfig.Secure = sec.Key("COOKIE_SECURE").MustBool(strings.HasPrefix(strings.ToLower(AppURL), "https://"))
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On second thought, I would actually drop reading setting key at all and remove it from configs and leaving just this assignment based on app url. From security point of view there is no point in making it use unsecured cookie over https

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@wxiaoguang wxiaoguang Sep 11, 2023 •
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See #26953

Theoretically yes. But:

  1. There is no "dynamic cookie secure" support in the go-chi package (it could be improved separately)
  2. "dynamic cookie secure" will leave security problems if the site admin doesn't configure the X-Forwarded-Proto correctly, because Gitea self might be running in HTTP mode behind an HTTPS proxy.
  3. Why the COOKIE_SECURE is still kept because in case the user really would like to run Gitea on HTTP and HTTPS at the same time and they know what they are doing.

Maybe we can use a new (breaking) approach in 1.21 or 1.22 and drop COOKIE_SECURE then

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points 1 and 2 are not really relevant for this solution but as for 3 I don't really see such use-case so in name of security I would propose to drop this setting in future

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@wxiaoguang wxiaoguang Sep 11, 2023 •
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Sure, the change has been backported to 1.20, let's break it for 1.21 later

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points 1 and 2 are not really relevant for this solution but as for 3 I don't really see such use-case so in name of security I would propose to drop this setting in future

The case: #29451

SessionConfig.Gclifetime = sec.Key("GC_INTERVAL_TIME").MustInt64(86400)
SessionConfig.Maxlifetime = sec.Key("SESSION_LIFE_TIME").MustInt64(86400)
SessionConfig.Domain = sec.Key("DOMAIN").String()
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