fix: correct inaccurate Gemini unlock test

Changelog.md

@@ -8,6 +8,7 @@
 - 切换配置文件偶尔失败的问题
 - 修复节点或模式切换出现极大延迟的回归问题
 - 修复代理关闭的情况下，网站测试依然会走代理的问题
+- 修复 Gemini 解锁测试不准确的情况
 
 <details>
 <summary><strong> ✨ 新增功能 </strong></summary>

src-tauri/src/cmd/media_unlock_checker/gemini.rs

@@ -1,61 +1,48 @@
-use regex::Regex;
 use reqwest::Client;
 
-use clash_verge_logging::{Type, logging};
-
 use super::UnlockItem;
 use super::utils::{country_code_to_emoji, get_local_date_string};
 
+const BLOCKED_CODES: [&str; 9] = ["CHN", "RUS", "BLR", "CUB", "IRN", "PRK", "SYR", "HKG", "MAC"];
+const REGION_MARKER: &str = ",2,1,200,\"";
+
 pub(super) async fn check_gemini(client: &Client) -> UnlockItem {
     let url = "https://gemini.google.com";
+    let failed = || UnlockItem {
+        name: "Gemini".to_string(),
+        status: "Failed".to_string(),
+        region: None,
+        check_time: Some(get_local_date_string()),
+    };
 
-    match client.get(url).send().await {
-        Ok(response) => {
-            if let Ok(body) = response.text().await {
-                let is_ok = body.contains("45631641,null,true");
-                let status = if is_ok { "Yes" } else { "No" };
+    let response = match client.get(url).send().await {
+        Ok(r) => r,
+        Err(_) => return failed(),
+    };
+    let body = match response.text().await {
+        Ok(b) => b,
+        Err(_) => return failed(),
+    };
 
-                let re = match Regex::new(r#",2,1,200,"([A-Z]{3})""#) {
-                    Ok(re) => re,
-                    Err(e) => {
-                        logging!(error, Type::Network, "Failed to compile Gemini regex: {}", e);
-                        return UnlockItem {
-                            name: "Gemini".to_string(),
-                            status: "Failed".to_string(),
-                            region: None,
-                            check_time: Some(get_local_date_string()),
-                        };
-                    }
-                };
+    let country_code = body
+        .find(REGION_MARKER)
+        .and_then(|i| {
+            let start = i + REGION_MARKER.len();
+            body.get(start..start + 3)
+        })
+        .filter(|s| s.bytes().all(|b| b.is_ascii_uppercase()));
 
-                let region = re.captures(&body).and_then(|caps| {
-                    caps.get(1).map(|m| {
-                        let country_code = m.as_str();
-                        let emoji = country_code_to_emoji(country_code);
-                        format!("{emoji}{country_code}")
-                    })
-                });
-
-                UnlockItem {
-                    name: "Gemini".to_string(),
-                    status: status.to_string(),
-                    region,
-                    check_time: Some(get_local_date_string()),
-                }
-            } else {
-                UnlockItem {
-                    name: "Gemini".to_string(),
-                    status: "Failed".to_string(),
-                    region: None,
-                    check_time: Some(get_local_date_string()),
-                }
+    match country_code {
+        Some(code) => {
+            let emoji = country_code_to_emoji(code);
+            let status = if BLOCKED_CODES.contains(&code) { "No" } else { "Yes" };
+            UnlockItem {
+                name: "Gemini".to_string(),
+                status: status.to_string(),
+                region: Some(format!("{emoji}{code}")),
+                check_time: Some(get_local_date_string()),
             }
         }
-        Err(_) => UnlockItem {
-            name: "Gemini".to_string(),
-            status: "Failed".to_string(),
-            region: None,
-            check_time: Some(get_local_date_string()),
-        },
+        None => failed(),
     }
 }