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implement storage size limit per origin

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This commit is contained in:
Pierre Tachoire
2026-02-26 15:30:32 +01:00
parent a14ad6f700
commit ad226b6fb1
1 changed files with 9 additions and 1 deletions
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10
src/browser/webapi/storage/storage.zig
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@@ -60,6 +60,9 @@ pub const Bucket = struct { local: Lookup = .{}, session: Lookup = .{} };
pub const Lookup = struct { pub const Lookup = struct {
_data: std.StringHashMapUnmanaged([]const u8) = .empty, _data: std.StringHashMapUnmanaged([]const u8) = .empty,
_size: usize = 0,
const max_size = 5 * 1024 * 1024;
pub fn getItem(self: *const Lookup, key_: ?[]const u8) ?[]const u8 { pub fn getItem(self: *const Lookup, key_: ?[]const u8) ?[]const u8 {
const k = key_ orelse return null; const k = key_ orelse return null;
@@ -69,6 +72,11 @@ pub const Lookup = struct {
pub fn setItem(self: *Lookup, key_: ?[]const u8, value: []const u8, page: *Page) !void { pub fn setItem(self: *Lookup, key_: ?[]const u8, value: []const u8, page: *Page) !void {
const k = key_ orelse return; const k = key_ orelse return;
if (self._size + value.len > max_size) {
return error.QuotaExceeded;
}
defer self._size += value.len;
const key_owned = try page.dupeString(k); const key_owned = try page.dupeString(k);
const value_owned = try page.dupeString(value); const value_owned = try page.dupeString(value);
@@ -112,7 +120,7 @@ pub const Lookup = struct {
pub const length = bridge.accessor(Lookup.getLength, null, .{}); pub const length = bridge.accessor(Lookup.getLength, null, .{});
pub const getItem = bridge.function(Lookup.getItem, .{}); pub const getItem = bridge.function(Lookup.getItem, .{});
pub const setItem = bridge.function(Lookup.setItem, .{}); pub const setItem = bridge.function(Lookup.setItem, .{ .dom_exception = true });
pub const removeItem = bridge.function(Lookup.removeItem, .{}); pub const removeItem = bridge.function(Lookup.removeItem, .{});
pub const clear = bridge.function(Lookup.clear, .{}); pub const clear = bridge.function(Lookup.clear, .{});
pub const key = bridge.function(Lookup.key, .{}); pub const key = bridge.function(Lookup.key, .{});