Merge pull request #529 from lightpanda-io/document-cookie

Document cookie

src/html/document.zig

@@ -33,6 +33,9 @@ const Location = @import("location.zig").Location;
 const collection = @import("../dom/html_collection.zig");
 const Walker = @import("../dom/walker.zig").WalkerDepthFirst;
 
+const UserContext = @import("../user_context.zig").UserContext;
+const Cookie = @import("../storage/cookie.zig").Cookie;
+
 // WEB IDL https://html.spec.whatwg.org/#the-document-object
 pub const HTMLDocument = struct {
     pub const Self = parser.DocumentHTML;
@@ -81,14 +84,21 @@ pub const HTMLDocument = struct {
         }
     }
 
-    // TODO: not implemented by libdom
-    pub fn get_cookie(_: *parser.DocumentHTML) ![]const u8 {
-        return error.NotImplemented;
+    pub fn get_cookie(_: *parser.DocumentHTML, arena: std.mem.Allocator, userctx: UserContext) ![]const u8 {
+        var buf: std.ArrayListUnmanaged(u8) = .{};
+        try userctx.cookie_jar.forRequest(&userctx.url.uri, buf.writer(arena), .{ .navigation = true });
+        return buf.items;
     }
 
-    // TODO: not implemented by libdom
-    pub fn set_cookie(_: *parser.DocumentHTML, _: []const u8) ![]const u8 {
-        return error.NotImplemented;
+    pub fn set_cookie(_: *parser.DocumentHTML, userctx: UserContext, cookie_str: []const u8) ![]const u8 {
+        // we use the cookie jar's allocator to parse the cookie because it
+        // outlives the page's arena.
+        const c = try Cookie.parse(userctx.cookie_jar.allocator, &userctx.url.uri, cookie_str);
+        errdefer c.deinit();
+
+        try userctx.cookie_jar.add(c, std.time.timestamp());
+
+        return cookie_str;
     }
 
     pub fn get_title(self: *parser.DocumentHTML) ![]const u8 {
@@ -258,4 +268,12 @@ pub fn testExecFn(
         .{ .src = "list.length", .ex = "1" },
     };
     try checkCases(js_env, &getElementsByName);
+
+    var cookie = [_]Case{
+        .{ .src = "document.cookie", .ex = "" },
+        .{ .src = "document.cookie = 'name=Oeschger; SameSite=None; Secure'", .ex = "name=Oeschger; SameSite=None; Secure" },
+        .{ .src = "document.cookie = 'favorite_food=tripe; SameSite=None; Secure'", .ex = "favorite_food=tripe; SameSite=None; Secure" },
+        .{ .src = "document.cookie", .ex = "name=Oeschger; favorite_food=tripe" },
+    };
+    try checkCases(js_env, &cookie);
 }

src/storage/cookie.zig

@@ -145,7 +145,7 @@ pub const Jar = struct {
             if (first) {
                 first = false;
             } else {
-                try writer.writeAll(", ");
+                try writer.writeAll("; ");
             }
             try writeCookie(cookie, writer);
         }
@@ -563,8 +563,8 @@ test "Jar: forRequest" {
     try jar.add(try Cookie.parse(testing.allocator, &test_uri_2, "domain1=9;domain=test.lightpanda.io"), now);
 
     // nothing fancy here
-    try expectCookies("global1=1, global2=2", &jar, test_uri, .{});
-    try expectCookies("global1=1, global2=2", &jar, test_uri, .{ .origin_uri = &test_uri, .navigation = false });
+    try expectCookies("global1=1; global2=2", &jar, test_uri, .{});
+    try expectCookies("global1=1; global2=2", &jar, test_uri, .{ .origin_uri = &test_uri, .navigation = false });
 
     // We have a cookie where Domain=lightpanda.io
     // This should _not_ match xyxlightpanda.io
@@ -573,47 +573,47 @@ test "Jar: forRequest" {
     });
 
     // matching path without trailing /
-    try expectCookies("global1=1, global2=2, path1=3", &jar, try std.Uri.parse("http://lightpanda.io/about"), .{
+    try expectCookies("global1=1; global2=2; path1=3", &jar, try std.Uri.parse("http://lightpanda.io/about"), .{
         .origin_uri = &test_uri,
     });
 
     // incomplete prefix path
-    try expectCookies("global1=1, global2=2", &jar, try std.Uri.parse("http://lightpanda.io/abou"), .{
+    try expectCookies("global1=1; global2=2", &jar, try std.Uri.parse("http://lightpanda.io/abou"), .{
         .origin_uri = &test_uri,
     });
 
     // path doesn't match
-    try expectCookies("global1=1, global2=2", &jar, try std.Uri.parse("http://lightpanda.io/aboutus"), .{
+    try expectCookies("global1=1; global2=2", &jar, try std.Uri.parse("http://lightpanda.io/aboutus"), .{
         .origin_uri = &test_uri,
     });
 
     // path doesn't match cookie directory
-    try expectCookies("global1=1, global2=2", &jar, try std.Uri.parse("http://lightpanda.io/docs"), .{
+    try expectCookies("global1=1; global2=2", &jar, try std.Uri.parse("http://lightpanda.io/docs"), .{
         .origin_uri = &test_uri,
     });
 
     // exact directory match
-    try expectCookies("global1=1, global2=2, path2=4", &jar, try std.Uri.parse("http://lightpanda.io/docs/"), .{
+    try expectCookies("global1=1; global2=2; path2=4", &jar, try std.Uri.parse("http://lightpanda.io/docs/"), .{
         .origin_uri = &test_uri,
     });
 
     // sub directory match
-    try expectCookies("global1=1, global2=2, path2=4", &jar, try std.Uri.parse("http://lightpanda.io/docs/more"), .{
+    try expectCookies("global1=1; global2=2; path2=4", &jar, try std.Uri.parse("http://lightpanda.io/docs/more"), .{
         .origin_uri = &test_uri,
     });
 
     // secure
-    try expectCookies("global1=1, global2=2, secure=5", &jar, try std.Uri.parse("https://lightpanda.io/"), .{
+    try expectCookies("global1=1; global2=2; secure=5", &jar, try std.Uri.parse("https://lightpanda.io/"), .{
         .origin_uri = &test_uri,
     });
 
     // navigational cross domain, secure
-    try expectCookies("global1=1, global2=2, secure=5, sitenone=6, sitelax=7", &jar, try std.Uri.parse("https://lightpanda.io/x/"), .{
+    try expectCookies("global1=1; global2=2; secure=5; sitenone=6; sitelax=7", &jar, try std.Uri.parse("https://lightpanda.io/x/"), .{
         .origin_uri = &(try std.Uri.parse("https://example.com/")),
     });
 
     // navigational cross domain, insecure
-    try expectCookies("global1=1, global2=2, sitelax=7", &jar, try std.Uri.parse("http://lightpanda.io/x/"), .{
+    try expectCookies("global1=1; global2=2; sitelax=7", &jar, try std.Uri.parse("http://lightpanda.io/x/"), .{
         .origin_uri = &(try std.Uri.parse("https://example.com/")),
     });
 
@@ -630,18 +630,18 @@ test "Jar: forRequest" {
     });
 
     // non-navigational same origin
-    try expectCookies("global1=1, global2=2, sitelax=7, sitestrict=8", &jar, try std.Uri.parse("http://lightpanda.io/x/"), .{
+    try expectCookies("global1=1; global2=2; sitelax=7; sitestrict=8", &jar, try std.Uri.parse("http://lightpanda.io/x/"), .{
         .origin_uri = &(try std.Uri.parse("https://lightpanda.io/")),
         .navigation = false,
     });
 
     // exact domain match + suffix
-    try expectCookies("global2=2, domain1=9", &jar, try std.Uri.parse("http://test.lightpanda.io/"), .{
+    try expectCookies("global2=2; domain1=9", &jar, try std.Uri.parse("http://test.lightpanda.io/"), .{
         .origin_uri = &test_uri,
     });
 
     // domain suffix match + suffix
-    try expectCookies("global2=2, domain1=9", &jar, try std.Uri.parse("http://1.test.lightpanda.io/"), .{
+    try expectCookies("global2=2; domain1=9", &jar, try std.Uri.parse("http://1.test.lightpanda.io/"), .{
         .origin_uri = &test_uri,
     });