vfs: check userland buffers before reading them.
[haiku.git] / src / apps / webpositive / AuthenticationPanel.cpp
blobc9e095a17365ca116e93e7ed92291dfb5758291e
1 /*
2 * Copyright (C) 2010 Stephan Aßmus <superstippi@gmx.de>
4 * All rights reserved. Distributed under the terms of the MIT License.
5 */
6 #include "AuthenticationPanel.h"
8 #include <Button.h>
9 #include <Catalog.h>
10 #include <CheckBox.h>
11 #include <ControlLook.h>
12 #include <GridLayoutBuilder.h>
13 #include <GroupLayoutBuilder.h>
14 #include <Locale.h>
15 #include <Message.h>
16 #include <Screen.h>
17 #include <SeparatorView.h>
18 #include <SpaceLayoutItem.h>
19 #include <StringView.h>
20 #include <TextControl.h>
21 #include <stdio.h>
23 static const uint32 kMsgPanelOK = 'pnok';
24 static const uint32 kMsgJitter = 'jitr';
25 static const uint32 kHidePassword = 'hdpw';
28 #undef B_TRANSLATION_CONTEXT
29 #define B_TRANSLATION_CONTEXT "Authentication Panel"
31 AuthenticationPanel::AuthenticationPanel(BRect parentFrame)
33 BWindow(BRect(-1000, -1000, -900, -900),
34 B_TRANSLATE("Authentication required"), B_TITLED_WINDOW_LOOK,
35 B_MODAL_APP_WINDOW_FEEL, B_ASYNCHRONOUS_CONTROLS | B_NOT_RESIZABLE
36 | B_NOT_ZOOMABLE | B_CLOSE_ON_ESCAPE | B_AUTO_UPDATE_SIZE_LIMITS),
37 m_parentWindowFrame(parentFrame),
38 m_usernameTextControl(new BTextControl("user", B_TRANSLATE("Username:"),
39 "", NULL)),
40 m_passwordTextControl(new BTextControl("pass", B_TRANSLATE("Password:"),
41 "", NULL)),
42 m_hidePasswordCheckBox(new BCheckBox("hide", B_TRANSLATE("Hide password "
43 "text"), new BMessage(kHidePassword))),
44 m_rememberCredentialsCheckBox(new BCheckBox("remember",
45 B_TRANSLATE("Remember username and password for this site"), NULL)),
46 m_okButton(new BButton("ok", B_TRANSLATE("OK"),
47 new BMessage(kMsgPanelOK))),
48 m_cancelButton(new BButton("cancel", B_TRANSLATE("Cancel"),
49 new BMessage(B_QUIT_REQUESTED))),
50 m_cancelled(false),
51 m_exitSemaphore(create_sem(0, "Authentication Panel"))
56 AuthenticationPanel::~AuthenticationPanel()
58 delete_sem(m_exitSemaphore);
62 bool
63 AuthenticationPanel::QuitRequested()
65 m_cancelled = true;
66 release_sem(m_exitSemaphore);
67 return false;
71 void
72 AuthenticationPanel::MessageReceived(BMessage* message)
74 switch (message->what) {
75 case kMsgPanelOK:
76 release_sem(m_exitSemaphore);
77 break;
78 case kHidePassword: {
79 // TODO: Toggling this is broken in BTextView. Workaround is to
80 // set the text and selection again.
81 BString text = m_passwordTextControl->Text();
82 int32 selectionStart;
83 int32 selectionEnd;
84 m_passwordTextControl->TextView()->GetSelection(&selectionStart,
85 &selectionEnd);
86 m_passwordTextControl->TextView()->HideTyping(
87 m_hidePasswordCheckBox->Value() == B_CONTROL_ON);
88 m_passwordTextControl->SetText(text.String());
89 m_passwordTextControl->TextView()->Select(selectionStart,
90 selectionEnd);
91 break;
93 case kMsgJitter: {
94 UpdateIfNeeded();
95 BPoint leftTop = Frame().LeftTop();
96 const float jitterOffsets[] = { -10, 0, 10, 0 };
97 const int32 jitterOffsetCount = sizeof(jitterOffsets) / sizeof(float);
98 for (int32 i = 0; i < 20; i++) {
99 float offset = jitterOffsets[i % jitterOffsetCount];
100 MoveTo(leftTop.x + offset, leftTop.y);
101 snooze(15000);
103 MoveTo(leftTop);
104 break;
106 default:
107 BWindow::MessageReceived(message);
112 bool AuthenticationPanel::getAuthentication(const BString& text,
113 const BString& previousUser, const BString& previousPass,
114 bool previousRememberCredentials, bool badPassword,
115 BString& user, BString& pass, bool* rememberCredentials)
117 // Configure panel and layout controls.
118 rgb_color infoColor = ui_color(B_PANEL_TEXT_COLOR);
119 BRect textBounds(0, 0, 250, 200);
120 BTextView* textView = new BTextView(textBounds, "text", textBounds,
121 be_plain_font, &infoColor, B_FOLLOW_NONE, B_WILL_DRAW
122 | B_SUPPORTS_LAYOUT);
123 textView->SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
124 textView->SetText(text.String());
125 textView->MakeEditable(false);
126 textView->MakeSelectable(false);
128 m_usernameTextControl->SetText(previousUser.String());
129 m_passwordTextControl->TextView()->HideTyping(true);
130 // Ignore the previous password, if it didn't work.
131 if (!badPassword)
132 m_passwordTextControl->SetText(previousPass.String());
133 m_hidePasswordCheckBox->SetValue(B_CONTROL_ON);
134 m_rememberCredentialsCheckBox->SetValue(previousRememberCredentials);
136 // create layout
137 SetLayout(new BGroupLayout(B_VERTICAL, 0.0));
138 float spacing = be_control_look->DefaultItemSpacing();
139 AddChild(BGroupLayoutBuilder(B_VERTICAL, 0.0)
140 .Add(BGridLayoutBuilder(0, spacing)
141 .Add(textView, 0, 0, 2)
142 .Add(m_usernameTextControl->CreateLabelLayoutItem(), 0, 1)
143 .Add(m_usernameTextControl->CreateTextViewLayoutItem(), 1, 1)
144 .Add(m_passwordTextControl->CreateLabelLayoutItem(), 0, 2)
145 .Add(m_passwordTextControl->CreateTextViewLayoutItem(), 1, 2)
146 .Add(BSpaceLayoutItem::CreateGlue(), 0, 3)
147 .Add(m_hidePasswordCheckBox, 1, 3)
148 .Add(m_rememberCredentialsCheckBox, 0, 4, 2)
149 .SetInsets(spacing, spacing, spacing, spacing)
151 .Add(new BSeparatorView(B_HORIZONTAL, B_PLAIN_BORDER))
152 .Add(BGroupLayoutBuilder(B_HORIZONTAL, spacing)
153 .AddGlue()
154 .Add(m_cancelButton)
155 .Add(m_okButton)
156 .SetInsets(spacing, spacing, spacing, spacing)
160 float textHeight = textView->LineHeight(0) * textView->CountLines();
161 textView->SetExplicitMinSize(BSize(B_SIZE_UNSET, textHeight));
163 SetDefaultButton(m_okButton);
164 if (badPassword && previousUser.Length())
165 m_passwordTextControl->MakeFocus(true);
166 else
167 m_usernameTextControl->MakeFocus(true);
169 if (m_parentWindowFrame.IsValid())
170 CenterIn(m_parentWindowFrame);
171 else
172 CenterOnScreen();
174 // Start AuthenticationPanel window thread
175 Show();
177 // Let the window jitter, if the previous password was invalid
178 if (badPassword)
179 PostMessage(kMsgJitter);
181 // Block calling thread
182 // Get the originating window, if it exists, to let it redraw itself.
183 BWindow* window = dynamic_cast<BWindow*>
184 (BLooper::LooperForThread(find_thread(NULL)));
185 if (window) {
186 status_t err;
187 for (;;) {
188 do {
189 err = acquire_sem_etc(m_exitSemaphore, 1, B_RELATIVE_TIMEOUT,
190 10000);
191 // We've (probably) had our time slice taken away from us
192 } while (err == B_INTERRUPTED);
194 if (err != B_TIMED_OUT) {
195 // Semaphore was finally released or nuked.
196 break;
198 window->UpdateIfNeeded();
200 } else {
201 // No window to update, so just hang out until we're done.
202 while (acquire_sem(m_exitSemaphore) == B_INTERRUPTED) {
206 // AuthenticationPanel wants to quit.
207 Lock();
209 user = m_usernameTextControl->Text();
210 pass = m_passwordTextControl->Text();
211 if (rememberCredentials)
212 *rememberCredentials = m_rememberCredentialsCheckBox->Value()
213 == B_CONTROL_ON;
215 bool canceled = m_cancelled;
216 Quit();
217 // AuthenticationPanel object is TOAST here.
218 return !canceled;