1 files changed, 276 insertions, 0 deletions
diff --git a/Source/WebCore/page/Location.cpp b/Source/WebCore/page/Location.cpp
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+++ b/Source/WebCore/page/Location.cpp
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+/*
+ * Copyright (C) 2008, 2010 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer. 
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "Location.h"
+
+#include "DOMWindow.h"
+#include "ExceptionCode.h"
+#include "Frame.h"
+#include "FrameLoader.h"
+#include "KURL.h"
+
+namespace WebCore {
+
+Location::Location(Frame* frame)
+    : m_frame(frame)
+{
+}
+
+void Location::disconnectFrame()
+{
+    m_frame = 0;
+}
+
+inline const KURL& Location::url() const
+{
+    ASSERT(m_frame);
+
+    const KURL& url = m_frame->loader()->url();
+    if (!url.isValid())
+        return blankURL(); // Use "about:blank" while the page is still loading (before we have a frame).
+
+    return url;
+}
+
+String Location::href() const
+{
+    if (!m_frame)
+        return String();
+
+    const KURL& url = this->url();
+    return url.hasPath() ? url.prettyURL() : url.prettyURL() + "/";
+}
+
+String Location::protocol() const
+{
+    if (!m_frame)
+        return String();
+
+    return url().protocol() + ":";
+}
+
+String Location::host() const
+{
+    if (!m_frame)
+        return String();
+
+    // Note: this is the IE spec. The NS spec swaps the two, it says
+    // "The hostname property is the concatenation of the host and port properties, separated by a colon."
+    const KURL& url = this->url();
+    return url.port() ? url.host() + ":" + String::number(url.port()) : url.host();
+}
+
+String Location::hostname() const
+{
+    if (!m_frame)
+        return String();
+
+    return url().host();
+}
+
+String Location::port() const
+{
+    if (!m_frame)
+        return String();
+
+    const KURL& url = this->url();
+    return url.port() ? String::number(url.port()) : "";
+}
+
+String Location::pathname() const
+{
+    if (!m_frame)
+        return String();
+
+    const KURL& url = this->url();
+    return url.path().isEmpty() ? "/" : url.path();
+}
+
+String Location::search() const
+{
+    if (!m_frame)
+        return String();
+
+    const KURL& url = this->url();
+    return url.query().isEmpty() ? "" : "?" + url.query();
+}
+
+String Location::origin() const
+{
+    if (!m_frame)
+        return String();
+    return SecurityOrigin::create(url())->toString();
+}
+
+String Location::hash() const
+{
+    if (!m_frame)
+        return String();
+
+    const String& fragmentIdentifier = url().fragmentIdentifier();
+    return fragmentIdentifier.isEmpty() ? "" : "#" + fragmentIdentifier;
+}
+
+String Location::getParameter(const String& name) const
+{
+    if (!m_frame)
+        return String();
+
+    ParsedURLParameters parameters;
+    url().copyParsedQueryTo(parameters);
+    return parameters.get(name);
+}
+
+String Location::toString() const
+{
+    if (!m_frame)
+        return String();
+
+    const KURL& url = this->url();
+    return url.hasPath() ? url.prettyURL() : url.prettyURL() + "/";
+}
+
+void Location::setHref(const String& urlString, DOMWindow* activeWindow, DOMWindow* firstWindow)
+{
+    if (!m_frame)
+        return;
+    m_frame->domWindow()->setLocation(urlString, activeWindow, firstWindow);
+}
+
+void Location::setProtocol(const String& protocol, DOMWindow* activeWindow, DOMWindow* firstWindow, ExceptionCode& ec)
+{
+    if (!m_frame)
+        return;
+    KURL url = m_frame->loader()->url();
+    if (!url.setProtocol(protocol)) {
+        ec = SYNTAX_ERR;
+        return;
+    }
+    m_frame->domWindow()->setLocation(url.string(), activeWindow, firstWindow);
+}
+
+void Location::setHost(const String& host, DOMWindow* activeWindow, DOMWindow* firstWindow)
+{
+    if (!m_frame)
+        return;
+    KURL url = m_frame->loader()->url();
+    url.setHostAndPort(host);
+    m_frame->domWindow()->setLocation(url.string(), activeWindow, firstWindow);
+}
+
+void Location::setHostname(const String& hostname, DOMWindow* activeWindow, DOMWindow* firstWindow)
+{
+    if (!m_frame)
+        return;
+    KURL url = m_frame->loader()->url();
+    url.setHost(hostname);
+    m_frame->domWindow()->setLocation(url.string(), activeWindow, firstWindow);
+}
+
+void Location::setPort(const String& portString, DOMWindow* activeWindow, DOMWindow* firstWindow)
+{
+    if (!m_frame)
+        return;
+    KURL url = m_frame->loader()->url();
+    int port = portString.toInt();
+    if (port < 0 || port > 0xFFFF)
+        url.removePort();
+    else
+        url.setPort(port);
+    m_frame->domWindow()->setLocation(url.string(), activeWindow, firstWindow);
+}
+
+void Location::setPathname(const String& pathname, DOMWindow* activeWindow, DOMWindow* firstWindow)
+{
+    if (!m_frame)
+        return;
+    KURL url = m_frame->loader()->url();
+    url.setPath(pathname);
+    m_frame->domWindow()->setLocation(url.string(), activeWindow, firstWindow);
+}
+
+void Location::setSearch(const String& search, DOMWindow* activeWindow, DOMWindow* firstWindow)
+{
+    if (!m_frame)
+        return;
+    KURL url = m_frame->loader()->url();
+    url.setQuery(search);
+    m_frame->domWindow()->setLocation(url.string(), activeWindow, firstWindow);
+}
+
+void Location::setHash(const String& hash, DOMWindow* activeWindow, DOMWindow* firstWindow)
+{
+    if (!m_frame)
+        return;
+    KURL url = m_frame->loader()->url();
+    String oldFragmentIdentifier = url.fragmentIdentifier();
+    String newFragmentIdentifier = hash;
+    if (hash[0] == '#')
+        newFragmentIdentifier = hash.substring(1);
+    url.setFragmentIdentifier(newFragmentIdentifier);
+    // Note that by parsing the URL and *then* comparing fragments, we are 
+    // comparing fragments post-canonicalization, and so this handles the 
+    // cases where fragment identifiers are ignored or invalid. 
+    if (equalIgnoringNullity(oldFragmentIdentifier, url.fragmentIdentifier()))
+        return;
+    m_frame->domWindow()->setLocation(url.string(), activeWindow, firstWindow);
+}
+
+void Location::assign(const String& urlString, DOMWindow* activeWindow, DOMWindow* firstWindow)
+{
+    if (!m_frame)
+        return;
+    m_frame->domWindow()->setLocation(urlString, activeWindow, firstWindow);
+}
+
+void Location::replace(const String& urlString, DOMWindow* activeWindow, DOMWindow* firstWindow)
+{
+    if (!m_frame)
+        return;
+    m_frame->domWindow()->setLocation(urlString, activeWindow, firstWindow, LockHistoryAndBackForwardList);
+}
+
+void Location::reload(DOMWindow* activeWindow)
+{
+    if (!m_frame)
+        return;
+    // FIXME: It's not clear this cross-origin security check is valuable.
+    // We allow one page to change the location of another. Why block attempts to reload?
+    // Other location operations simply block use of JavaScript URLs cross origin.
+    DOMWindow* targetWindow = m_frame->domWindow();
+    if (!activeWindow->securityOrigin()->canAccess(targetWindow->securityOrigin())) {
+        targetWindow->printErrorMessage(targetWindow->crossDomainAccessErrorMessage(activeWindow));
+        return;
+    }
+    if (protocolIsJavaScript(m_frame->loader()->url()))
+        return;
+    m_frame->navigationScheduler()->scheduleRefresh();
+}
+
+} // namespace WebCore