[pbs-devel] [PATCH proxmox-backup] close #3103: default lang

[Matthias Heiserer <m.heiserer@proxmox.com>]

A default language can now be set in node.cfg.
This language is only used if none is set in the cookies.

Signed-off-by: Matthias Heiserer <m.heiserer@proxmox.com>
---
 src/bin/proxmox-backup-proxy.rs |  8 ++++++
 src/config/node.rs              | 45 ++++++++++++++++++++++++++++++---
 2 files changed, 50 insertions(+), 3 deletions(-)

diff --git a/src/bin/proxmox-backup-proxy.rs b/src/bin/proxmox-backup-proxy.rs
index 523966cf..c197b512 100644
--- a/src/bin/proxmox-backup-proxy.rs
+++ b/src/bin/proxmox-backup-proxy.rs
@@ -168,6 +168,14 @@ async fn get_index_future(
             lang = language;
         }
     }
+    if lang.is_empty() {
+        if let Ok((config, _)) = proxmox_backup::config::node::config() {
+            if let Some(default_lang) = config.default_lang {
+                // don't need to check for existance for language file because node::config() only returns valid results 
+                lang = default_lang;
+            }
+        }
+    }
 
     let data = json!({
         "NodeName": nodename,
diff --git a/src/config/node.rs b/src/config/node.rs
index 40d7b220..d78dfec6 100644
--- a/src/config/node.rs
+++ b/src/config/node.rs
@@ -4,7 +4,7 @@ use openssl::ssl::{SslAcceptor, SslMethod};
 use anyhow::{bail, Error};
 use serde::{Deserialize, Serialize};
 
-use proxmox_schema::{api, ApiStringFormat, ApiType, Updater};
+use proxmox_schema::{api, ApiStringFormat, ApiType, EnumEntry, Schema, StringSchema, Updater};
 
 use proxmox_http::ProxyConfig;
 
@@ -57,6 +57,37 @@ pub struct AcmeConfig {
     account: AcmeAccountName,
 }
 
+/// All available languages in Proxmox. Taken from proxmox-i18n repository
+const LANG_SCHEMA: Schema = StringSchema::new("Available languages")
+    .format(&ApiStringFormat::Enum(&[
+        EnumEntry::new("ar", "ar"),
+        EnumEntry::new("ca", "ca"),
+        EnumEntry::new("da", "da"),
+        EnumEntry::new("de", "de"),
+        EnumEntry::new("es", "es"),
+        EnumEntry::new("eu", "eu"),
+        EnumEntry::new("fa", "fa"),
+        EnumEntry::new("fr", "fr"),
+        EnumEntry::new("gl", "gl"),
+        EnumEntry::new("he", "he"),
+        EnumEntry::new("hu", "hu"),
+        EnumEntry::new("it", "it"),
+        EnumEntry::new("ja", "ja"),
+        EnumEntry::new("kr", "kr"),
+        EnumEntry::new("nb", "nb"),
+        EnumEntry::new("nl", "nl"),
+        EnumEntry::new("nn", "nn"),
+        EnumEntry::new("pl", "pl"),
+        EnumEntry::new("pt_BR", "pt_BR"),
+        EnumEntry::new("ru", "ru"),
+        EnumEntry::new("sl", "sl"),
+        EnumEntry::new("sv", "sv"),
+        EnumEntry::new("tr", "tr"),
+        EnumEntry::new("zh_CN", "zh_CN"),
+        EnumEntry::new("zh_TW", "zh_TW"),
+    ]))
+    .schema();
+
 #[api(
     properties: {
         acme: {
@@ -100,6 +131,10 @@ pub struct AcmeConfig {
             schema: OPENSSL_CIPHERS_TLS_1_2_SCHEMA,
             optional: true,
         },
+        "default-lang" : {
+            schema: LANG_SCHEMA,
+            optional: true,
+        }
     },
 )]
 #[derive(Deserialize, Serialize, Updater)]
@@ -127,17 +162,21 @@ pub struct NodeConfig {
 
     #[serde(skip_serializing_if = "Option::is_none")]
     pub http_proxy: Option<String>,
-    
+
     #[serde(skip_serializing_if = "Option::is_none")]
     pub email_from: Option<String>,
 
     /// List of TLS ciphers for TLS 1.3 that will be used by the proxy. (Proxy has to be restarted for changes to take effect)
     #[serde(skip_serializing_if = "Option::is_none", rename="ciphers-tls-1.3")]
     pub ciphers_tls_1_3: Option<String>,
-    
+
     /// List of TLS ciphers for TLS <= 1.2 that will be used by the proxy. (Proxy has to be restarted for changes to take effect)
     #[serde(skip_serializing_if = "Option::is_none", rename="ciphers-tls-1.2")]
     pub ciphers_tls_1_2: Option<String>,
+
+    /// Default language used in the GUI
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub default_lang: Option<String>,
 }
 
 impl NodeConfig {
-- 
2.30.2