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Merge pull request #2133 from lightpanda-io/feat/cdp-json-endpoints

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Feat/cdp json endpoints
This commit is contained in:
Pierre Tachoire
2026-04-10 17:51:48 +02:00
committed by GitHub
parent 88dcac642a 224a7333f2
commit 071e70e5cc
1 changed files with 38 additions and 15 deletions
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53
src/Server.zig
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@@ -444,6 +444,14 @@ pub const Client = struct {
return false;
}
if (std.mem.eql(u8, url, "/json/list") or std.mem.eql(u8, url, "/json/list/") or
std.mem.eql(u8, url, "/json") or std.mem.eql(u8, url, "/json/"))
{
try self.ws.send(empty_json_list_response);
self.ws.shutdown();
return false;
}
return error.NotFound;
}
@@ -486,7 +494,13 @@ fn buildJSONVersionResponse(
.message = "when --host is set to 0.0.0.0 consider setting --advertise-host to a reachable address",
});
}
const body_format = "{{\"webSocketDebuggerUrl\": \"ws://{s}:{d}/\"}}";
const body_format =
"{{" ++
"\"Browser\": \"Lightpanda/1.0\", " ++
"\"Protocol-Version\": \"1.3\", " ++
"\"User-Agent\": \"Lightpanda/1.0\", " ++
"\"webSocketDebuggerUrl\": \"ws://{s}:{d}/\"" ++
"}}";
const body_len = std.fmt.count(body_format, .{ host, port });
// We send a Connection: Close (and actually close the connection)
@@ -504,6 +518,13 @@ fn buildJSONVersionResponse(
return try std.fmt.allocPrint(app.allocator, response_format, .{ body_len, host, port });
}
const empty_json_list_response =
"HTTP/1.1 200 OK\r\n" ++
"Content-Length: 2\r\n" ++
"Connection: Close\r\n" ++
"Content-Type: application/json; charset=UTF-8\r\n\r\n" ++
"[]";
pub const timestamp = @import("datetime.zig").timestamp;
pub const milliTimestamp = @import("datetime.zig").milliTimestamp;
@@ -512,11 +533,16 @@ test "server: buildJSONVersionResponse" {
const res = try buildJSONVersionResponse(testing.test_app);
defer testing.test_app.allocator.free(res);
try testing.expectEqual("HTTP/1.1 200 OK\r\n" ++
"Content-Length: 48\r\n" ++
"Connection: Close\r\n" ++
"Content-Type: application/json; charset=UTF-8\r\n\r\n" ++
"{\"webSocketDebuggerUrl\": \"ws://127.0.0.1:9222/\"}", res);
// The response includes the build version, so check structure rather than exact bytes.
try testing.expect(std.mem.startsWith(u8, res, "HTTP/1.1 200 OK\r\n"));
try testing.expect(std.mem.indexOf(u8, res, "Content-Type: application/json") != null);
try testing.expect(std.mem.indexOf(u8, res, "Connection: Close") != null);
// Verify all required JSON fields are present in the body
try testing.expect(std.mem.indexOf(u8, res, "\"Browser\": \"Lightpanda/") != null);
try testing.expect(std.mem.indexOf(u8, res, "\"Protocol-Version\": \"1.3\"") != null);
try testing.expect(std.mem.indexOf(u8, res, "\"User-Agent\": \"Lightpanda/") != null);
try testing.expect(std.mem.indexOf(u8, res, "\"webSocketDebuggerUrl\": \"ws://127.0.0.1:9222/\"") != null);
}
test "Client: http invalid request" {
@@ -728,20 +754,16 @@ test "server: 404" {
}
test "server: get /json/version" {
const expected_response =
"HTTP/1.1 200 OK\r\n" ++
"Content-Length: 48\r\n" ++
"Connection: Close\r\n" ++
"Content-Type: application/json; charset=UTF-8\r\n\r\n" ++
"{\"webSocketDebuggerUrl\": \"ws://127.0.0.1:9222/\"}";
{
// twice on the same connection
var c = try createTestClient();
defer c.deinit();
const res1 = try c.httpRequest("GET /json/version HTTP/1.1\r\n\r\n");
try testing.expectEqual(expected_response, res1);
try testing.expect(std.mem.startsWith(u8, res1, "HTTP/1.1 200 OK\r\n"));
try testing.expect(std.mem.indexOf(u8, res1, "\"Browser\": \"Lightpanda/") != null);
try testing.expect(std.mem.indexOf(u8, res1, "\"Protocol-Version\": \"1.3\"") != null);
try testing.expect(std.mem.indexOf(u8, res1, "\"webSocketDebuggerUrl\": \"ws://127.0.0.1:9222/\"") != null);
}
{
@@ -750,7 +772,8 @@ test "server: get /json/version" {
defer c.deinit();
const res1 = try c.httpRequest("GET /json/version HTTP/1.1\r\n\r\n");
try testing.expectEqual(expected_response, res1);
try testing.expect(std.mem.startsWith(u8, res1, "HTTP/1.1 200 OK\r\n"));
try testing.expect(std.mem.indexOf(u8, res1, "\"Browser\": \"Lightpanda/") != null);
}
}