content/shell/browser/shell_login_dialog.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/shell/browser/shell_login_dialog.h"
   6
   7 #include "base/bind.h"
   8 #include "base/logging.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "content/public/browser/browser_thread.h"
  11 #include "content/public/browser/resource_dispatcher_host.h"
  12 #include "net/base/auth.h"
  13 #include "net/url_request/url_request.h"
  14 #include "ui/gfx/text_elider.h"
  15
  16 namespace content {
  17
  18 ShellLoginDialog::ShellLoginDialog(
  19     net::AuthChallengeInfo* auth_info,
  20     net::URLRequest* request) : auth_info_(auth_info),
  21                                 request_(request) {
  22   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  23   BrowserThread::PostTask(
  24       BrowserThread::UI, FROM_HERE,
  25       base::Bind(&ShellLoginDialog::PrepDialog, this,
  26                  base::ASCIIToUTF16(auth_info->challenger.ToString()),
  27                  base::UTF8ToUTF16(auth_info->realm)));
  28 }
  29
  30 void ShellLoginDialog::OnRequestCancelled() {
  31   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  32   BrowserThread::PostTask(
  33       BrowserThread::UI, FROM_HERE,
  34       base::Bind(&ShellLoginDialog::PlatformRequestCancelled, this));
  35 }
  36
  37 void ShellLoginDialog::UserAcceptedAuth(const base::string16& username,
  38                                         const base::string16& password) {
  39   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  40   BrowserThread::PostTask(
  41       BrowserThread::IO, FROM_HERE,
  42       base::Bind(&ShellLoginDialog::SendAuthToRequester, this,
  43                  true, username, password));
  44 }
  45
  46 void ShellLoginDialog::UserCancelledAuth() {
  47   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  48   BrowserThread::PostTask(
  49       BrowserThread::IO, FROM_HERE,
  50       base::Bind(&ShellLoginDialog::SendAuthToRequester, this,
  51                  false, base::string16(), base::string16()));
  52   BrowserThread::PostTask(
  53       BrowserThread::UI, FROM_HERE,
  54       base::Bind(&ShellLoginDialog::PlatformCleanUp, this));
  55 }
  56
  57 ShellLoginDialog::~ShellLoginDialog() {
  58   // Cannot post any tasks here; this object is going away and cannot be
  59   // referenced/dereferenced.
  60 }
  61
  62 #if !defined(OS_MACOSX)
  63 // Bogus implementations for linking. They are never called because
  64 // ResourceDispatcherHostDelegate::CreateLoginDelegate returns NULL.
  65 // TODO: implement ShellLoginDialog for other platforms, drop this #if
  66 void ShellLoginDialog::PlatformCreateDialog(const base::string16& message) {}
  67 void ShellLoginDialog::PlatformCleanUp() {}
  68 void ShellLoginDialog::PlatformRequestCancelled() {}
  69 #endif
  70
  71 void ShellLoginDialog::PrepDialog(const base::string16& host,
  72                                   const base::string16& realm) {
  73   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  74   // The realm is controlled by the remote server, so there is no reason to
  75   // believe it is of a reasonable length.
  76   base::string16 elided_realm;
  77   gfx::ElideString(realm, 120, &elided_realm);
  78
  79   base::string16 explanation =
  80       base::ASCIIToUTF16("The server ") + host +
  81       base::ASCIIToUTF16(" requires a username and password.");
  82
  83   if (!elided_realm.empty()) {
  84     explanation += base::ASCIIToUTF16(" The server says: ");
  85     explanation += elided_realm;
  86     explanation += base::ASCIIToUTF16(".");
  87   }
  88
  89   PlatformCreateDialog(explanation);
  90 }
  91
  92 void ShellLoginDialog::SendAuthToRequester(bool success,
  93                                            const base::string16& username,
  94                                            const base::string16& password) {
  95   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  96   if (success)
  97     request_->SetAuth(net::AuthCredentials(username, password));
  98   else
  99     request_->CancelAuth();
 100   ResourceDispatcherHost::Get()->ClearLoginDelegateForRequest(request_);
 101
 102   BrowserThread::PostTask(
 103       BrowserThread::UI, FROM_HERE,
 104       base::Bind(&ShellLoginDialog::PlatformCleanUp, this));
 105 }
 106
 107 }  // namespace content