blob: 2075a0ba32030d2af8778fb62a0314257f4675b5 [file] [log] [blame]
// Copyright 2013 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 "chrome/browser/apps/platform_app_navigation_redirector.h"
#include "apps/launcher.h"
#include "base/bind.h"
#include "base/logging.h"
#include "chrome/browser/prerender/prerender_contents.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/web_applications/web_app.h"
#include "chrome/common/extensions/api/url_handlers/url_handlers_parser.h"
#include "components/navigation_interception/intercept_navigation_throttle.h"
#include "components/navigation_interception/navigation_params.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/guest_mode.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/web_contents.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_set.h"
#include "net/url_request/url_request.h"
using content::BrowserThread;
using content::WebContents;
using extensions::Extension;
using extensions::UrlHandlers;
using extensions::UrlHandlerInfo;
namespace {
bool LaunchAppWithUrl(const scoped_refptr<const Extension> app,
const std::string& handler_id,
content::WebContents* source,
const navigation_interception::NavigationParams& params) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// Redirect top-level navigations only. This excludes iframes and webviews
// in particular.
if (content::GuestMode::IsCrossProcessFrameGuest(source)) {
DVLOG(1) << "Cancel redirection: source is a inner WebContents";
return false;
}
// If prerendering, don't launch the app but abort the navigation.
prerender::PrerenderContents* prerender_contents =
prerender::PrerenderContents::FromWebContents(source);
if (prerender_contents) {
prerender_contents->Destroy(prerender::FINAL_STATUS_NAVIGATION_INTERCEPTED);
return true;
}
// These are guaranteed by MaybeCreateThrottleFor below.
DCHECK(UrlHandlers::CanExtensionHandleUrl(app.get(), params.url()));
DCHECK(!params.is_post());
Profile* profile = Profile::FromBrowserContext(source->GetBrowserContext());
DVLOG(1) << "Launching app handler with URL: " << params.url().spec()
<< " -> " << app->name() << "(" << app->id() << "):" << handler_id;
apps::LaunchPlatformAppWithUrl(profile, app.get(), handler_id, params.url(),
params.referrer().url);
return true;
}
} // namespace
// static
std::unique_ptr<content::NavigationThrottle>
PlatformAppNavigationRedirector::MaybeCreateThrottleFor(
content::NavigationHandle* handle) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DVLOG(1) << "Considering URL for redirection: " << handle->GetURL().spec();
content::BrowserContext* browser_context =
handle->GetWebContents()->GetBrowserContext();
DCHECK(browser_context);
// Support only GET for now.
if (handle->IsPost()) {
DVLOG(1) << "Skip redirection: method is not GET";
return nullptr;
}
if (!handle->GetURL().SchemeIsHTTPOrHTTPS()) {
DVLOG(1) << "Skip redirection: scheme is not HTTP or HTTPS";
return nullptr;
}
// Never redirect URLs to apps in incognito. Technically, apps are not
// supported in incognito, but that may change in future.
// See crbug.com/240879, which tracks incognito support for v2 apps.
Profile* profile = Profile::FromBrowserContext(browser_context);
if (profile->GetProfileType() == Profile::INCOGNITO_PROFILE) {
DVLOG(1) << "Skip redirection: unsupported in incognito";
return nullptr;
}
for (const auto& extension_ref :
extensions::ExtensionRegistry::Get(browser_context)
->enabled_extensions()) {
// BookmarkAppNavigationThrottle handles intercepting links to Hosted Apps
// that are Bookmark Apps. Regular Hosted Apps don't intercept links.
if (extension_ref->is_hosted_app())
continue;
const UrlHandlerInfo* handler = UrlHandlers::FindMatchingUrlHandler(
extension_ref.get(), handle->GetURL());
if (handler) {
DVLOG(1) << "Found matching app handler for redirection: "
<< extension_ref->name() << "(" << extension_ref->id()
<< "):" << handler->id;
return std::unique_ptr<content::NavigationThrottle>(
new navigation_interception::InterceptNavigationThrottle(
handle,
base::Bind(&LaunchAppWithUrl, extension_ref, handler->id)));
}
}
DVLOG(1) << "Skipping redirection: no matching app handler found";
return nullptr;
}