| 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 | package org.chromium.chrome.browser; |
| 6 | |
| 7 | import org.chromium.base.CalledByNative; |
| 8 | |
| 9 | /** |
| 10 | * Represents an HTTP authentication request to be handled by the UI. |
| 11 | * The request can be fulfilled or canceled using setAuth() or cancelAuth(). |
| 12 | * This class also provides strings for building a login form. |
| 13 | * |
| 14 | * Note: this class supercedes android.webkit.HttpAuthHandler, but does not |
| 15 | * extend HttpAuthHandler due to the private access of HttpAuthHandler's |
| 16 | * constructor. |
| 17 | */ |
| 18 | public class ChromeHttpAuthHandler { |
| 19 | private final int mNativeChromeHttpAuthHandler; |
| 20 | private AutofillObserver mAutofillObserver; |
| 21 | private String mAutofillUsername; |
| 22 | private String mAutofillPassword; |
| 23 | |
| 24 | private ChromeHttpAuthHandler(int nativeChromeHttpAuthHandler) { |
| 25 | assert nativeChromeHttpAuthHandler != 0; |
| 26 | mNativeChromeHttpAuthHandler = nativeChromeHttpAuthHandler; |
| 27 | } |
| 28 | |
| 29 | @CalledByNative |
| 30 | private static ChromeHttpAuthHandler create(int nativeChromeHttpAuthHandler) { |
| 31 | return new ChromeHttpAuthHandler(nativeChromeHttpAuthHandler); |
| 32 | } |
| 33 | |
| 34 | // --------------------------------------------- |
| 35 | // HttpAuthHandler methods |
| 36 | // --------------------------------------------- |
| 37 | |
| 38 | // Note on legacy useHttpAuthUsernamePassword() method: |
| 39 | // For reference, the existing WebView (when using the chromium stack) returns true here |
| 40 | // iff this is the first auth challenge attempt for this connection. |
| 41 | // (see WebUrlLoaderClient::authRequired call to didReceiveAuthenticationChallenge) |
| 42 | // In ChromeHttpAuthHandler this mechanism is superseded by the |
| 43 | // AutofillObserver.onAutofillDataAvailable mechanism below, however the legacy WebView |
| 44 | // implementation will need to handle the API mismatch between the legacy |
| 45 | // WebView.getHttpAuthUsernamePassword synchronous call and the credentials arriving |
| 46 | // asynchronously in onAutofillDataAvailable. |
| 47 | |
| 48 | /** |
| 49 | * Cancel the authorization request. |
| 50 | */ |
| 51 | public void cancel() { |
| 52 | nativeCancelAuth(mNativeChromeHttpAuthHandler); |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * Proceed with the authorization with the given credentials. |
| 57 | */ |
| 58 | public void proceed(String username, String password) { |
| 59 | nativeSetAuth(mNativeChromeHttpAuthHandler, username, password); |
| 60 | } |
| 61 | |
| 62 | public String getMessageTitle() { |
| 63 | return nativeGetMessageTitle(mNativeChromeHttpAuthHandler); |
| 64 | } |
| 65 | |
| 66 | public String getMessageBody() { |
| 67 | return nativeGetMessageBody(mNativeChromeHttpAuthHandler); |
| 68 | } |
| 69 | |
| 70 | public String getUsernameLabelText() { |
| 71 | return nativeGetUsernameLabelText(mNativeChromeHttpAuthHandler); |
| 72 | } |
| 73 | |
| 74 | public String getPasswordLabelText() { |
| 75 | return nativeGetPasswordLabelText(mNativeChromeHttpAuthHandler); |
| 76 | } |
| 77 | |
| 78 | public String getOkButtonText() { |
| 79 | return nativeGetOkButtonText(mNativeChromeHttpAuthHandler); |
| 80 | } |
| 81 | |
| 82 | public String getCancelButtonText() { |
| 83 | return nativeGetCancelButtonText(mNativeChromeHttpAuthHandler); |
| 84 | } |
| 85 | |
| 86 | // --------------------------------------------- |
| 87 | // Autofill-related |
| 88 | // --------------------------------------------- |
| 89 | |
| 90 | /** |
| 91 | * This is a public interface that will act as a hook for providing login data using |
| 92 | * autofill. When the observer is set, {@link ChromeHttpAuthhandler}'s |
| 93 | * onAutofillDataAvailable callback can be used by the observer to fill out necessary |
| 94 | * login information. |
| 95 | */ |
| 96 | public static interface AutofillObserver { |
| 97 | public void onAutofillDataAvailable(String username, String password); |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Register for onAutofillDataAvailable callbacks. |observer| can be null, |
| 102 | * in which case no callback is made. |
| 103 | */ |
| 104 | public void setAutofillObserver(AutofillObserver observer) { |
| 105 | mAutofillObserver = observer; |
| 106 | // In case the autofill data arrives before the observer is set. |
| 107 | if (mAutofillUsername != null && mAutofillPassword != null) { |
| 108 | mAutofillObserver.onAutofillDataAvailable(mAutofillUsername, mAutofillPassword); |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | @CalledByNative |
| 113 | private void onAutofillDataAvailable(String username, String password) { |
| 114 | mAutofillUsername = username; |
| 115 | mAutofillPassword = password; |
| 116 | if (mAutofillObserver != null) { |
| 117 | mAutofillObserver.onAutofillDataAvailable(username, password); |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | // --------------------------------------------- |
| 122 | // Native side calls |
| 123 | // --------------------------------------------- |
| 124 | |
| 125 | private native void nativeSetAuth(int nativeChromeHttpAuthHandler, |
| 126 | String username, String password); |
| 127 | private native void nativeCancelAuth(int nativeChromeHttpAuthHandler); |
| 128 | private native String nativeGetCancelButtonText(int nativeChromeHttpAuthHandler); |
| 129 | private native String nativeGetMessageTitle(int nativeChromeHttpAuthHandler); |
| 130 | private native String nativeGetMessageBody(int nativeChromeHttpAuthHandler); |
| 131 | private native String nativeGetPasswordLabelText(int nativeChromeHttpAuthHandler); |
| 132 | private native String nativeGetOkButtonText(int nativeChromeHttpAuthHandler); |
| 133 | private native String nativeGetUsernameLabelText(int nativeChromeHttpAuthHandler); |
| 134 | } |