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encode captured response body during CDP call

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This commit is contained in:
Pierre Tachoire
2026-03-23 14:26:27 +01:00
parent 30f387d361
commit 797cae2ef8
2 changed files with 22 additions and 18 deletions
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23
src/cdp/cdp.zig
View File

@@ -326,7 +326,7 @@ pub fn BrowserContext(comptime CDP_T: type) type {
const AXNode = @import("AXNode.zig");
const CapturedResponse = struct {
encode: enum { none, base64 },
must_encode: bool,
data: std.ArrayList(u8),
};
@@ -648,22 +648,22 @@ pub fn BrowserContext(comptime CDP_T: type) type {
if (!gop.found_existing) {
gop.value_ptr.* = .{
.data = .empty,
// Encode the data in base64 by default, but use none
// encoding for well known content-type.
.encode = blk: {
// Encode the data in base64 by default, but don't encode
// for well known content-type.
.must_encode = blk: {
const transfer = msg.transfer;
if (transfer.response_header.?.contentType()) |ct| {
const mime = try Mime.parse(ct);
if (!mime.isText()) {
break :blk .base64;
break :blk true;
}
if (std.mem.eql(u8, "UTF-8", mime.charsetString())) {
break :blk .none;
break :blk false;
}
}
break :blk .base64;
break :blk true;
},
};
}
@@ -683,14 +683,7 @@ pub fn BrowserContext(comptime CDP_T: type) type {
const id = msg.transfer.id;
const resp = self.captured_responses.getPtr(id) orelse lp.assert(false, "onHttpResponseData missinf captured response", .{});
if (resp.encode == .none) {
return resp.data.appendSlice(arena, msg.data);
}
const encoded_len = std.base64.standard.Encoder.calcSize(msg.data.len);
const start = resp.data.items.len;
try resp.data.resize(arena, start + encoded_len);
_ = std.base64.standard.Encoder.encode(resp.data.items[start..], msg.data);
return resp.data.appendSlice(arena, msg.data);
}
pub fn onHttpRequestAuthRequired(ctx: *anyopaque, data: *const Notification.RequestAuthRequired) !void {

17
src/cdp/domains/network.zig
View File

@@ -210,9 +210,20 @@ fn getResponseBody(cmd: anytype) !void {
const bc = cmd.browser_context orelse return error.BrowserContextNotLoaded;
const resp = bc.captured_responses.getPtr(request_id) orelse return error.RequestNotFound;
try cmd.sendResult(.{
.body = resp.data.items,
.base64Encoded = resp.encode == .base64,
if (!resp.must_encode) {
return cmd.sendResult(.{
.body = resp.data.items,
.base64Encoded = false,
}, .{});
}
const encoded_len = std.base64.standard.Encoder.calcSize(resp.data.items.len);
const encoded = try cmd.arena.alloc(u8, encoded_len);
_ = std.base64.standard.Encoder.encode(encoded, resp.data.items);
return cmd.sendResult(.{
.body = encoded,
.base64Encoded = true,
}, .{});
}