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/*
* Copyright (C) 2012 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "WebKitURISchemeRequest.h"
#include "WebData.h"
#include "WebKitURISchemeRequestPrivate.h"
#include "WebKitWebContextPrivate.h"
#include "WebKitWebView.h"
#include "WebPageProxy.h"
#include "WebSoupRequestManagerProxy.h"
#include <WebCore/GOwnPtrSoup.h>
#include <libsoup/soup.h>
#include <wtf/gobject/GRefPtr.h>
#include <wtf/text/CString.h>
using namespace WebKit;
static const unsigned int gReadBufferSize = 8192;
struct _WebKitURISchemeRequestPrivate {
WebKitWebContext* webContext;
RefPtr<WebSoupRequestManagerProxy> webRequestManager;
RefPtr<WebPageProxy> initiatingPage;
uint64_t requestID;
CString uri;
GOwnPtr<SoupURI> soupURI;
GRefPtr<GInputStream> stream;
uint64_t streamLength;
GRefPtr<GCancellable> cancellable;
char readBuffer[gReadBufferSize];
uint64_t bytesRead;
CString mimeType;
};
WEBKIT_DEFINE_TYPE(WebKitURISchemeRequest, webkit_uri_scheme_request, G_TYPE_OBJECT)
static void webkit_uri_scheme_request_class_init(WebKitURISchemeRequestClass* requestClass)
{
}
WebKitURISchemeRequest* webkitURISchemeRequestCreate(WebKitWebContext* webContext, WebSoupRequestManagerProxy* webRequestManager, WebURL* webURL, WebPageProxy* initiatingPage, uint64_t requestID)
{
WebKitURISchemeRequest* request = WEBKIT_URI_SCHEME_REQUEST(g_object_new(WEBKIT_TYPE_URI_SCHEME_REQUEST, NULL));
request->priv->webContext = webContext;
request->priv->webRequestManager = webRequestManager;
request->priv->uri = webURL->string().utf8();
request->priv->initiatingPage = initiatingPage;
request->priv->requestID = requestID;
return request;
}
uint64_t webkitURISchemeRequestGetID(WebKitURISchemeRequest* request)
{
return request->priv->requestID;
}
void webkitURISchemeRequestCancel(WebKitURISchemeRequest* request)
{
if (request->priv->cancellable.get())
g_cancellable_cancel(request->priv->cancellable.get());
}
/**
* webkit_uri_scheme_request_get_scheme:
* @request: a #WebKitURISchemeRequest
*
* Get the URI scheme of @request
*
* Returns: the URI scheme of @request
*/
const char* webkit_uri_scheme_request_get_scheme(WebKitURISchemeRequest* request)
{
g_return_val_if_fail(WEBKIT_IS_URI_SCHEME_REQUEST(request), 0);
if (!request->priv->soupURI)
request->priv->soupURI.set(soup_uri_new(request->priv->uri.data()));
return request->priv->soupURI->scheme;
}
/**
* webkit_uri_scheme_request_get_uri:
* @request: a #WebKitURISchemeRequest
*
* Get the URI of @request
*
* Returns: the full URI of @request
*/
const char* webkit_uri_scheme_request_get_uri(WebKitURISchemeRequest* request)
{
g_return_val_if_fail(WEBKIT_IS_URI_SCHEME_REQUEST(request), 0);
return request->priv->uri.data();
}
/**
* webkit_uri_scheme_request_get_path:
* @request: a #WebKitURISchemeRequest
*
* Get the URI path of @request
*
* Returns: the URI path of @request
*/
const char* webkit_uri_scheme_request_get_path(WebKitURISchemeRequest* request)
{
g_return_val_if_fail(WEBKIT_IS_URI_SCHEME_REQUEST(request), 0);
if (!request->priv->soupURI)
request->priv->soupURI.set(soup_uri_new(request->priv->uri.data()));
return request->priv->soupURI->path;
}
/**
* webkit_uri_scheme_request_get_web_view:
* @request: a #WebKitURISchemeRequest
*
* Get the #WebKitWebView that initiated the request.
*
* Returns: (transfer none): the #WebKitWebView that initiated @request.
*/
WebKitWebView* webkit_uri_scheme_request_get_web_view(WebKitURISchemeRequest* request)
{
g_return_val_if_fail(WEBKIT_IS_URI_SCHEME_REQUEST(request), 0);
return WEBKIT_WEB_VIEW(request->priv->initiatingPage->viewWidget());
}
static void webkitURISchemeRequestReadCallback(GInputStream* inputStream, GAsyncResult* result, WebKitURISchemeRequest* schemeRequest)
{
GRefPtr<WebKitURISchemeRequest> request = adoptGRef(schemeRequest);
gssize bytesRead = g_input_stream_read_finish(inputStream, result, 0);
// FIXME: notify the WebProcess that we failed to read from the user stream.
if (bytesRead == -1) {
webkitWebContextDidFinishURIRequest(request->priv->webContext, request->priv->requestID);
return;
}
WebKitURISchemeRequestPrivate* priv = request->priv;
RefPtr<WebData> webData = WebData::create(reinterpret_cast<const unsigned char*>(priv->readBuffer), bytesRead);
if (!priv->bytesRead) {
// First chunk read. In case of empty reply an empty WebData is sent to the WebProcess.
priv->webRequestManager->didHandleURIRequest(webData.get(), priv->streamLength, String::fromUTF8(priv->mimeType.data()), priv->requestID);
} else if (bytesRead || (!bytesRead && !priv->streamLength)) {
// Subsequent chunk read. We only send an empty WebData to the WebProcess when stream length is unknown.
priv->webRequestManager->didReceiveURIRequestData(webData.get(), priv->requestID);
}
if (!bytesRead) {
webkitWebContextDidFinishURIRequest(request->priv->webContext, request->priv->requestID);
return;
}
priv->bytesRead += bytesRead;
g_input_stream_read_async(inputStream, priv->readBuffer, gReadBufferSize, G_PRIORITY_DEFAULT, priv->cancellable.get(),
reinterpret_cast<GAsyncReadyCallback>(webkitURISchemeRequestReadCallback), g_object_ref(request.get()));
}
/**
* webkit_uri_scheme_request_finish:
* @request: a #WebKitURISchemeRequest
* @stream: a #GInputStream to read the contents of the request
* @stream_length: the length of the stream or -1 if not known
* @mime_type: (allow-none): the content type of the stream or %NULL if not known
*
* Finish a #WebKitURISchemeRequest by setting the contents of the request and its mime type.
*/
void webkit_uri_scheme_request_finish(WebKitURISchemeRequest* request, GInputStream* inputStream, gint64 streamLength, const gchar* mimeType)
{
g_return_if_fail(WEBKIT_IS_URI_SCHEME_REQUEST(request));
g_return_if_fail(G_IS_INPUT_STREAM(inputStream));
g_return_if_fail(streamLength == -1 || streamLength >= 0);
request->priv->stream = inputStream;
// We use -1 in the API for consistency with soup when the content length is not known, but 0 internally.
request->priv->streamLength = streamLength == -1 ? 0 : streamLength;
request->priv->cancellable = adoptGRef(g_cancellable_new());
request->priv->bytesRead = 0;
request->priv->mimeType = mimeType;
g_input_stream_read_async(inputStream, request->priv->readBuffer, gReadBufferSize, G_PRIORITY_DEFAULT, request->priv->cancellable.get(),
reinterpret_cast<GAsyncReadyCallback>(webkitURISchemeRequestReadCallback), g_object_ref(request));
}
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