src/android_webview/browser/aw_login_delegate.cc

   1 // Copyright (c) 2012 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 "android_webview/browser/aw_login_delegate.h"
   6
   7 #include "android_webview/browser/aw_browser_context.h"
   8 #include "base/android/jni_android.h"
   9 #include "base/logging.h"
  10 #include "base/supports_user_data.h"
  11 #include "content/public/browser/browser_thread.h"
  12 #include "content/public/browser/render_frame_host.h"
  13 #include "content/public/browser/resource_dispatcher_host.h"
  14 #include "content/public/browser/resource_request_info.h"
  15 #include "content/public/browser/web_contents.h"
  16 #include "net/base/auth.h"
  17 #include "net/url_request/url_request.h"
  18
  19 using namespace base::android;
  20
  21 using content::BrowserThread;
  22 using content::RenderFrameHost;
  23 using content::ResourceDispatcherHost;
  24 using content::ResourceRequestInfo;
  25 using content::WebContents;
  26
  27 namespace {
  28 const char* kAuthAttemptsKey = "android_webview_auth_attempts";
  29
  30 class UrlRequestAuthAttemptsData : public base::SupportsUserData::Data {
  31  public:
  32   UrlRequestAuthAttemptsData() : auth_attempts_(0) { }
  33   int auth_attempts_;
  34 };
  35
  36 }  // namespace
  37
  38 namespace android_webview {
  39
  40 AwLoginDelegate::AwLoginDelegate(net::AuthChallengeInfo* auth_info,
  41                                  net::URLRequest* request)
  42     : auth_info_(auth_info),
  43       request_(request),
  44       render_process_id_(0),
  45       render_frame_id_(0) {
  46     ResourceRequestInfo::GetRenderFrameForRequest(
  47         request, &render_process_id_, &render_frame_id_);
  48
  49     UrlRequestAuthAttemptsData* count =
  50         static_cast<UrlRequestAuthAttemptsData*>(
  51             request->GetUserData(kAuthAttemptsKey));
  52
  53     if (count == NULL) {
  54       count = new UrlRequestAuthAttemptsData();
  55       request->SetUserData(kAuthAttemptsKey, count);
  56     }
  57
  58     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
  59         base::Bind(&AwLoginDelegate::HandleHttpAuthRequestOnUIThread,
  60                    this, (count->auth_attempts_ == 0)));
  61     count->auth_attempts_++;
  62 }
  63
  64 AwLoginDelegate::~AwLoginDelegate() {
  65   // The Auth handler holds a ref count back on |this| object, so it should be
  66   // impossible to reach here while this object still owns an auth handler.
  67   DCHECK(!aw_http_auth_handler_);
  68 }
  69
  70 void AwLoginDelegate::Proceed(const base::string16& user,
  71                               const base::string16& password) {
  72   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  73   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
  74       base::Bind(&AwLoginDelegate::ProceedOnIOThread,
  75                  this, user, password));
  76 }
  77
  78 void AwLoginDelegate::Cancel() {
  79   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  80   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
  81       base::Bind(&AwLoginDelegate::CancelOnIOThread, this));
  82 }
  83
  84 void AwLoginDelegate::HandleHttpAuthRequestOnUIThread(
  85     bool first_auth_attempt) {
  86   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  87
  88   aw_http_auth_handler_.reset(AwHttpAuthHandlerBase::Create(
  89       this, auth_info_.get(), first_auth_attempt));
  90
  91   RenderFrameHost* render_frame_host = RenderFrameHost::FromID(
  92       render_process_id_, render_frame_id_);
  93   WebContents* web_contents = WebContents::FromRenderFrameHost(
  94       render_frame_host);
  95   if (!aw_http_auth_handler_->HandleOnUIThread(web_contents)) {
  96     Cancel();
  97     return;
  98   }
  99 }
 100
 101 void AwLoginDelegate::CancelOnIOThread() {
 102   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 103   if (request_) {
 104     request_->CancelAuth();
 105     ResourceDispatcherHost::Get()->ClearLoginDelegateForRequest(request_);
 106     request_ = NULL;
 107   }
 108   DeleteAuthHandlerSoon();
 109 }
 110
 111 void AwLoginDelegate::ProceedOnIOThread(const base::string16& user,
 112                                         const base::string16& password) {
 113   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 114   if (request_) {
 115     request_->SetAuth(net::AuthCredentials(user, password));
 116     ResourceDispatcherHost::Get()->ClearLoginDelegateForRequest(request_);
 117     request_ = NULL;
 118   }
 119   DeleteAuthHandlerSoon();
 120 }
 121
 122 void AwLoginDelegate::OnRequestCancelled() {
 123   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 124   request_ = NULL;
 125   DeleteAuthHandlerSoon();
 126 }
 127
 128 void AwLoginDelegate::DeleteAuthHandlerSoon() {
 129   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
 130     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
 131         base::Bind(&AwLoginDelegate::DeleteAuthHandlerSoon, this));
 132     return;
 133   }
 134   aw_http_auth_handler_.reset();
 135 }
 136
 137 }  // namespace android_webview