Add error checking

src/main.rs

@@ -30,8 +30,8 @@ async fn main() {
 
     // Length check
     if targets.len() == 0 {
-        eprintln!("Fatal: No targets given.");
-        std::process::exit(1);
+        eprintln!("{}: No targets given, will default to your IP", "Warning".yellow());
+        targets.push("".to_string());
     }
 
     let client = reqwest::Client::new();
@@ -39,15 +39,42 @@ async fn main() {
     for (i, target) in targets.into_iter().enumerate() {
         if i > 0 { print!("\n") };
 
-        let req = client
-            .get(format!("http://ip-api.com/json/{target}?fields=18601977"))
+        let req = match client
+            .get(format!("http://ip-api.com/json/{target}?fields=18610169"))
             .send()
-            .await
-            .unwrap();
+            .await {
+            Ok(r) => r,
+            Err(e) => {
+                eprintln!("{}: {e:?}", "Error".red());
+                continue;
+            }
+        };
+
         let body = req.text().await.unwrap();
 
-        let data = json::parse(&body.to_owned()).unwrap();
+        let data = match json::parse(&body.to_owned()) {
+            Ok(j) => j,
+            Err(e) => {
+                eprintln!("{}: {e:?}", "Fatal".red());
+                continue;
+            }
+        };
 
+        if data["status"] == "fail" {
+            let message = data["message"].as_str().unwrap();
+            let msg = match message {
+                "reserved range" => "Queried reserved IP",
+                "private range" => "Queried private IP",
+                "invalid query" => "Invalid IP",
+                "SSL unavailable for this endpoint, order a key at https://members.ip-api.com/" => "Unable to use HTTPS endpoint",
+                _ => { message }
+            };
+
+            eprintln!("{}: {msg}", "Error".red());
+            continue;
+        }
+
+        let target = if target.is_empty() { data["query"].as_str().unwrap().to_string() } else { target };
         println!("Target       {}", target.bright_white().bold());
         if !data["continent"].is_empty()    { println!("Continent    {}", data["continent"].as_str().unwrap().yellow()) }
         if !data["country"].is_empty()      { println!("Country      {}", data["country"].as_str().unwrap().yellow()) }