Reading User-agents

Author: Syaoran2014

src/main.zig

@@ -52,6 +52,15 @@ fn handleRequest(request: *http.Server.Request, allocator: std.mem.Allocator) !v
         _ = echo.next();
         const respEcho = echo.next().?;
         try request.respond(respEcho, .{ .extra_headers = &.{.{ .name = "Content-Type", .value = "text/plain" }} });
+    } else if (std.mem.startsWith(u8, request.head.target, "/user-agent")) {
+        var it = request.iterateHeaders();
+        var respBody: []const u8 = undefined;
+        while (it.next()) |header| {
+            if (std.mem.eql(u8, header.name, "User-Agent")) {
+                respBody = header.value;
+            }
+        }
+        try request.respond(respBody, .{ .extra_headers = &.{.{ .name = "Content-Type", .value = "text/plain" }} });
     } else {
         try request.respond("", .{ .status = .not_found });
     }