content/browser/frame_host/debug_urls.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/frame_host/debug_urls.h"
   6
   7 #include <vector>
   8
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
  11 #include "content/browser/ppapi_plugin_process_host.h"
  12 #include "content/public/browser/browser_thread.h"
  13 #include "content/public/common/content_constants.h"
  14 #include "content/public/common/url_constants.h"
  15 #include "ppapi/proxy/ppapi_messages.h"
  16 #include "url/gurl.h"
  17
  18 namespace content {
  19
  20 namespace {
  21
  22 void HandlePpapiFlashDebugURL(const GURL& url) {
  23 #if defined(ENABLE_PLUGINS)
  24   bool crash = url == GURL(kChromeUIPpapiFlashCrashURL);
  25
  26   std::vector<PpapiPluginProcessHost*> hosts;
  27   PpapiPluginProcessHost::FindByName(
  28       base::UTF8ToUTF16(kFlashPluginName), &hosts);
  29   for (std::vector<PpapiPluginProcessHost*>::iterator iter = hosts.begin();
  30        iter != hosts.end(); ++iter) {
  31     if (crash)
  32       (*iter)->Send(new PpapiMsg_Crash());
  33     else
  34       (*iter)->Send(new PpapiMsg_Hang());
  35   }
  36 #endif
  37 }
  38
  39 }  // namespace
  40
  41 bool HandleDebugURL(const GURL& url, PageTransition transition) {
  42   // Ensure that the user explicitly navigated to this URL.
  43   if (!(transition & PAGE_TRANSITION_FROM_ADDRESS_BAR))
  44     return false;
  45
  46   // NOTE: when you add handling of any URLs to this function, also
  47   // update IsDebugURL, below.
  48
  49   if (url.host() == kChromeUIBrowserCrashHost) {
  50     // Induce an intentional crash in the browser process.
  51     CHECK(false);
  52     return true;
  53   }
  54
  55   if (url == GURL(kChromeUIGpuCleanURL)) {
  56     GpuProcessHostUIShim* shim = GpuProcessHostUIShim::GetOneInstance();
  57     if (shim)
  58       shim->SimulateRemoveAllContext();
  59     return true;
  60   }
  61
  62   if (url == GURL(kChromeUIGpuCrashURL)) {
  63     GpuProcessHostUIShim* shim = GpuProcessHostUIShim::GetOneInstance();
  64     if (shim)
  65       shim->SimulateCrash();
  66     return true;
  67   }
  68
  69   if (url == GURL(kChromeUIGpuHangURL)) {
  70     GpuProcessHostUIShim* shim = GpuProcessHostUIShim::GetOneInstance();
  71     if (shim)
  72       shim->SimulateHang();
  73     return true;
  74   }
  75
  76   if (url == GURL(kChromeUIPpapiFlashCrashURL) ||
  77       url == GURL(kChromeUIPpapiFlashHangURL)) {
  78     BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
  79                             base::Bind(&HandlePpapiFlashDebugURL, url));
  80     return true;
  81   }
  82
  83   return false;
  84 }
  85
  86 bool IsDebugURL(const GURL& url) {
  87   // NOTE: when you add any URLs to this list, also update
  88   // HandleDebugURL, above.
  89   return IsRendererDebugURL(url) ||
  90       (url.is_valid() &&
  91        (url.host() == kChromeUIBrowserCrashHost ||
  92         url == GURL(kChromeUIGpuCleanURL) ||
  93         url == GURL(kChromeUIGpuCrashURL) ||
  94         url == GURL(kChromeUIGpuHangURL) ||
  95         url == GURL(kChromeUIPpapiFlashCrashURL) ||
  96         url == GURL(kChromeUIPpapiFlashHangURL)));
  97 }
  98
  99 bool IsRendererDebugURL(const GURL& url) {
 100   if (!url.is_valid())
 101     return false;
 102
 103   if (url.SchemeIs(url::kJavaScriptScheme))
 104     return true;
 105
 106   return url == GURL(kChromeUICrashURL) ||
 107          url == GURL(kChromeUIKillURL) ||
 108          url == GURL(kChromeUIHangURL) ||
 109          url == GURL(kChromeUIShorthangURL);
 110 }
 111
 112 }  // namespace content