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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/strings/stringprintf.h"
#include "chrome/common/safe_browsing/safebrowsing_messages.h"
#include "chrome/renderer/safe_browsing/threat_dom_details.h"
#include "chrome/test/base/chrome_render_view_test.h"
#include "content/public/renderer/render_view.h"
#include "net/base/escape.h"
typedef ChromeRenderViewTest ThreatDOMDetailsTest;
TEST_F(ThreatDOMDetailsTest, Everything) {
scoped_ptr<safe_browsing::ThreatDOMDetails> details(
safe_browsing::ThreatDOMDetails::Create(view_->GetMainRenderFrame()));
// Lower kMaxNodes for the test. Loading 500 subframes in a
// debug build takes a while.
details->kMaxNodes = 50;
const char urlprefix[] = "data:text/html;charset=utf-8,";
{
// A page with an internal script
std::string html = "<html><head><script></script></head></html>";
LoadHTML(html.c_str());
std::vector<SafeBrowsingHostMsg_ThreatDOMDetails_Node> params;
details->ExtractResources(¶ms);
ASSERT_EQ(1u, params.size());
EXPECT_EQ(GURL(urlprefix + html), params[0].url);
}
{
// A page with 2 external scripts.
// Note: This part of the test causes 2 leaks: LEAK: 5 WebCoreNode
// LEAK: 2 CachedResource.
GURL script1_url("data:text/javascript;charset=utf-8,var a=1;");
GURL script2_url("data:text/javascript;charset=utf-8,var b=2;");
std::string html = "<html><head><script src=\"" + script1_url.spec() +
"\"></script><script src=\"" + script2_url.spec() +
"\"></script></head></html>";
GURL url(urlprefix + html);
LoadHTML(html.c_str());
std::vector<SafeBrowsingHostMsg_ThreatDOMDetails_Node> params;
details->ExtractResources(¶ms);
ASSERT_EQ(3u, params.size());
EXPECT_EQ(script1_url, params[0].url);
EXPECT_EQ("SCRIPT", params[0].tag_name);
EXPECT_EQ(script2_url, params[1].url);
EXPECT_EQ("SCRIPT", params[0].tag_name);
EXPECT_EQ(url, params[2].url);
}
{
// A page with an iframe which in turn contains an iframe.
// html
// \ iframe1
// \ iframe2
// Since ThreatDOMDetails is a RenderFrameObserver, it will only
// extract resources from the frame it assigned to (in this case,
// the main frame). Extracting resources from all frames within a
// page is covered in SafeBrowsingBlockingPageBrowserTest.
// In this example, ExtractResources() will still touch iframe1
// since it is the direct child of the main frame, but it would not
// go inside of iframe1.
std::string iframe2_html = "<html><body>iframe2</body></html>";
GURL iframe2_url(urlprefix + iframe2_html);
std::string iframe1_html = "<iframe src=\"" +
net::EscapeForHTML(iframe2_url.spec()) +
"\"></iframe>";
GURL iframe1_url(urlprefix + iframe1_html);
std::string html = "<html><head><iframe src=\"" +
net::EscapeForHTML(iframe1_url.spec()) +
"\"></iframe></head></html>";
GURL url(urlprefix + html);
LoadHTML(html.c_str());
std::vector<SafeBrowsingHostMsg_ThreatDOMDetails_Node> params;
details->ExtractResources(¶ms);
ASSERT_EQ(2u, params.size());
std::sort(params.begin(), params.end(),
[](const SafeBrowsingHostMsg_ThreatDOMDetails_Node& a,
const SafeBrowsingHostMsg_ThreatDOMDetails_Node& b) -> bool {
return a.parent < b.parent;
});
EXPECT_EQ(url, params[0].url);
EXPECT_EQ(GURL(), params[0].parent);
EXPECT_EQ(1u, params[0].children.size());
EXPECT_EQ(iframe1_url, params[0].children[0]);
EXPECT_EQ(iframe1_url, params[1].url);
EXPECT_EQ(url, params[1].parent);
EXPECT_EQ(0u, params[1].children.size());
}
{
// Test >50 subframes.
std::string html;
for (int i = 0; i < 55; ++i) {
// The iframe contents is just a number.
GURL iframe_url(base::StringPrintf("%s%d", urlprefix, i));
html += "<iframe src=\"" + net::EscapeForHTML(iframe_url.spec()) +
"\"></iframe>";
}
GURL url(urlprefix + html);
LoadHTML(html.c_str());
std::vector<SafeBrowsingHostMsg_ThreatDOMDetails_Node> params;
details->ExtractResources(¶ms);
ASSERT_EQ(51u, params.size());
}
{
// A page with >50 scripts, to verify kMaxNodes.
std::string html;
for (int i = 0; i < 55; ++i) {
// The iframe contents is just a number.
GURL script_url(base::StringPrintf("%s%d", urlprefix, i));
html += "<script src=\"" + net::EscapeForHTML(script_url.spec()) +
"\"></script>";
}
GURL url(urlprefix + html);
LoadHTML(html.c_str());
std::vector<SafeBrowsingHostMsg_ThreatDOMDetails_Node> params;
details->ExtractResources(¶ms);
ASSERT_EQ(51u, params.size());
}
}
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