mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
341 lines
10 KiB
C++
341 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "nsAboutCache.h"
|
|
#include "nsIInputStream.h"
|
|
#include "nsIStorageStream.h"
|
|
#include "nsIURI.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsNetUtil.h"
|
|
#include "nsEscape.h"
|
|
#include "nsAboutProtocolUtils.h"
|
|
|
|
#include "nsICacheService.h"
|
|
|
|
NS_IMPL_ISUPPORTS(nsAboutCache, nsIAboutModule, nsICacheVisitor)
|
|
|
|
NS_IMETHODIMP
|
|
nsAboutCache::NewChannel(nsIURI *aURI, nsIChannel **result)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aURI);
|
|
nsresult rv;
|
|
uint32_t bytesWritten;
|
|
|
|
*result = nullptr;
|
|
// Get the cache manager service
|
|
nsCOMPtr<nsICacheService> cacheService =
|
|
do_GetService(NS_CACHESERVICE_CONTRACTID, &rv);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsCOMPtr<nsIStorageStream> storageStream;
|
|
nsCOMPtr<nsIOutputStream> outputStream;
|
|
|
|
// Init: (block size, maximum length)
|
|
rv = NS_NewStorageStream(256, (uint32_t)-1, getter_AddRefs(storageStream));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
rv = storageStream->GetOutputStream(0, getter_AddRefs(outputStream));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
mBuffer.AssignLiteral(
|
|
"<!DOCTYPE html>\n"
|
|
"<html>\n"
|
|
"<head>\n"
|
|
" <title>Information about the Cache Service</title>\n"
|
|
" <link rel=\"stylesheet\" "
|
|
"href=\"chrome://global/skin/about.css\" type=\"text/css\"/>\n"
|
|
" <link rel=\"stylesheet\" "
|
|
"href=\"chrome://global/skin/aboutCache.css\" type=\"text/css\"/>\n"
|
|
"</head>\n"
|
|
"<body class=\"aboutPageWideContainer\">\n"
|
|
"<h1>Information about the Cache Service</h1>\n");
|
|
|
|
outputStream->Write(mBuffer.get(), mBuffer.Length(), &bytesWritten);
|
|
|
|
rv = ParseURI(aURI, mDeviceID);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
mStream = outputStream;
|
|
|
|
// nsCacheService::VisitEntries calls nsMemoryCacheDevice::Visit,
|
|
// nsDiskCacheDevice::Visit and nsOfflineCacheDevice::Visit,
|
|
// each of which call
|
|
// 1. VisitDevice (for about:cache),
|
|
// 2. VisitEntry in a loop (for about:cache?device=disk etc.)
|
|
rv = cacheService->VisitEntries(this);
|
|
mBuffer.Truncate();
|
|
if (rv == NS_ERROR_NOT_AVAILABLE) {
|
|
mBuffer.AppendLiteral("<h2>The cache is disabled.</h2>\n");
|
|
}
|
|
else if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
if (!mDeviceID.IsEmpty()) {
|
|
mBuffer.AppendLiteral("</table>\n");
|
|
}
|
|
mBuffer.AppendLiteral("</body>\n"
|
|
"</html>\n");
|
|
outputStream->Write(mBuffer.get(), mBuffer.Length(), &bytesWritten);
|
|
|
|
nsCOMPtr<nsIInputStream> inStr;
|
|
|
|
rv = storageStream->NewInputStream(0, getter_AddRefs(inStr));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsCOMPtr<nsIChannel> channel;
|
|
rv = NS_NewInputStreamChannel(getter_AddRefs(channel), aURI, inStr,
|
|
NS_LITERAL_CSTRING("text/html"),
|
|
NS_LITERAL_CSTRING("utf-8"));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
channel.forget(result);
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsAboutCache::GetURIFlags(nsIURI *aURI, uint32_t *result)
|
|
{
|
|
*result = 0;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsAboutCache::VisitDevice(const char *deviceID,
|
|
nsICacheDeviceInfo *deviceInfo,
|
|
bool *visitEntries)
|
|
{
|
|
uint32_t bytesWritten, value, entryCount;
|
|
nsXPIDLCString str;
|
|
|
|
*visitEntries = false;
|
|
|
|
if (mDeviceID.IsEmpty() || mDeviceID.Equals(deviceID)) {
|
|
|
|
// We need mStream for this
|
|
if (!mStream)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Write out the Cache Name
|
|
deviceInfo->GetDescription(getter_Copies(str));
|
|
|
|
mBuffer.AssignLiteral("<h2>");
|
|
mBuffer.Append(str);
|
|
mBuffer.AppendLiteral("</h2>\n"
|
|
"<table id=\"");
|
|
mBuffer.Append(deviceID);
|
|
mBuffer.AppendLiteral("\">\n");
|
|
|
|
// Write out cache info
|
|
// Number of entries
|
|
mBuffer.AppendLiteral(" <tr>\n"
|
|
" <th>Number of entries:</th>\n"
|
|
" <td>");
|
|
entryCount = 0;
|
|
deviceInfo->GetEntryCount(&entryCount);
|
|
mBuffer.AppendInt(entryCount);
|
|
mBuffer.AppendLiteral("</td>\n"
|
|
" </tr>\n");
|
|
|
|
// Maximum storage size
|
|
mBuffer.AppendLiteral(" <tr>\n"
|
|
" <th>Maximum storage size:</th>\n"
|
|
" <td>");
|
|
value = 0;
|
|
deviceInfo->GetMaximumSize(&value);
|
|
mBuffer.AppendInt(value/1024);
|
|
mBuffer.AppendLiteral(" KiB</td>\n"
|
|
" </tr>\n");
|
|
|
|
// Storage in use
|
|
mBuffer.AppendLiteral(" <tr>\n"
|
|
" <th>Storage in use:</th>\n"
|
|
" <td>");
|
|
value = 0;
|
|
deviceInfo->GetTotalSize(&value);
|
|
mBuffer.AppendInt(value/1024);
|
|
mBuffer.AppendLiteral(" KiB</td>\n"
|
|
" </tr>\n");
|
|
|
|
deviceInfo->GetUsageReport(getter_Copies(str));
|
|
mBuffer.Append(str);
|
|
|
|
if (mDeviceID.IsEmpty()) { // The about:cache case
|
|
if (entryCount != 0) { // Add the "List Cache Entries" link
|
|
mBuffer.AppendLiteral(" <tr>\n"
|
|
" <th><a href=\"about:cache?device=");
|
|
mBuffer.Append(deviceID);
|
|
mBuffer.AppendLiteral("\">List Cache Entries</a></th>\n"
|
|
" </tr>\n");
|
|
}
|
|
mBuffer.AppendLiteral("</table>\n");
|
|
} else { // The about:cache?device=disk etc. case
|
|
mBuffer.AppendLiteral("</table>\n");
|
|
if (entryCount != 0) {
|
|
*visitEntries = true;
|
|
mBuffer.AppendLiteral("<hr/>\n"
|
|
"<table id=\"entries\">\n"
|
|
" <colgroup>\n"
|
|
" <col id=\"col-key\">\n"
|
|
" <col id=\"col-dataSize\">\n"
|
|
" <col id=\"col-fetchCount\">\n"
|
|
" <col id=\"col-lastModified\">\n"
|
|
" <col id=\"col-expires\">\n"
|
|
" </colgroup>\n"
|
|
" <thead>\n"
|
|
" <tr>\n"
|
|
" <th>Key</th>\n"
|
|
" <th>Data size</th>\n"
|
|
" <th>Fetch count</th>\n"
|
|
" <th>Last modified</th>\n"
|
|
" <th>Expires</th>\n"
|
|
" </tr>\n"
|
|
" </thead>\n");
|
|
}
|
|
}
|
|
|
|
mStream->Write(mBuffer.get(), mBuffer.Length(), &bytesWritten);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsAboutCache::VisitEntry(const char *deviceID,
|
|
nsICacheEntryInfo *entryInfo,
|
|
bool *visitNext)
|
|
{
|
|
// We need mStream for this
|
|
if (!mStream)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsresult rv;
|
|
uint32_t bytesWritten;
|
|
nsAutoCString key;
|
|
nsXPIDLCString clientID;
|
|
bool streamBased;
|
|
|
|
rv = entryInfo->GetKey(key);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
rv = entryInfo->GetClientID(getter_Copies(clientID));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
rv = entryInfo->IsStreamBased(&streamBased);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
// Generate a about:cache-entry URL for this entry...
|
|
nsAutoCString url;
|
|
url.AssignLiteral("about:cache-entry?client=");
|
|
url += clientID;
|
|
url.AppendLiteral("&sb=");
|
|
url += streamBased ? '1' : '0';
|
|
url.AppendLiteral("&key=");
|
|
char* escapedKey = nsEscapeHTML(key.get());
|
|
url += escapedKey; // key
|
|
|
|
// Entry start...
|
|
mBuffer.AssignLiteral(" <tr>\n");
|
|
|
|
// URI
|
|
mBuffer.AppendLiteral(" <td><a href=\"");
|
|
mBuffer.Append(url);
|
|
mBuffer.AppendLiteral("\">");
|
|
mBuffer.Append(escapedKey);
|
|
nsMemory::Free(escapedKey);
|
|
mBuffer.AppendLiteral("</a></td>\n");
|
|
|
|
// Content length
|
|
uint32_t length = 0;
|
|
entryInfo->GetDataSize(&length);
|
|
mBuffer.AppendLiteral(" <td>");
|
|
mBuffer.AppendInt(length);
|
|
mBuffer.AppendLiteral(" bytes</td>\n");
|
|
|
|
// Number of accesses
|
|
int32_t fetchCount = 0;
|
|
entryInfo->GetFetchCount(&fetchCount);
|
|
mBuffer.AppendLiteral(" <td>");
|
|
mBuffer.AppendInt(fetchCount);
|
|
mBuffer.AppendLiteral("</td>\n");
|
|
|
|
// vars for reporting time
|
|
char buf[255];
|
|
uint32_t t;
|
|
|
|
// Last modified time
|
|
mBuffer.AppendLiteral(" <td>");
|
|
entryInfo->GetLastModified(&t);
|
|
if (t) {
|
|
PrintTimeString(buf, sizeof(buf), t);
|
|
mBuffer.Append(buf);
|
|
} else
|
|
mBuffer.AppendLiteral("No last modified time");
|
|
mBuffer.AppendLiteral("</td>\n");
|
|
|
|
// Expires time
|
|
mBuffer.AppendLiteral(" <td>");
|
|
entryInfo->GetExpirationTime(&t);
|
|
if (t < 0xFFFFFFFF) {
|
|
PrintTimeString(buf, sizeof(buf), t);
|
|
mBuffer.Append(buf);
|
|
} else {
|
|
mBuffer.AppendLiteral("No expiration time");
|
|
}
|
|
mBuffer.AppendLiteral("</td>\n");
|
|
|
|
// Entry is done...
|
|
mBuffer.AppendLiteral(" </tr>\n");
|
|
|
|
mStream->Write(mBuffer.get(), mBuffer.Length(), &bytesWritten);
|
|
|
|
*visitNext = true;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsAboutCache::ParseURI(nsIURI * uri, nsCString &deviceID)
|
|
{
|
|
//
|
|
// about:cache[?device=string]
|
|
//
|
|
nsresult rv;
|
|
|
|
deviceID.Truncate();
|
|
|
|
nsAutoCString path;
|
|
rv = uri->GetPath(path);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsACString::const_iterator start, valueStart, end;
|
|
path.BeginReading(start);
|
|
path.EndReading(end);
|
|
|
|
valueStart = end;
|
|
if (!FindInReadable(NS_LITERAL_CSTRING("?device="), start, valueStart))
|
|
return NS_OK;
|
|
|
|
deviceID.Assign(Substring(valueStart, end));
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsAboutCache::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
|
|
{
|
|
nsAboutCache* about = new nsAboutCache();
|
|
if (about == nullptr)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
NS_ADDREF(about);
|
|
nsresult rv = about->QueryInterface(aIID, aResult);
|
|
NS_RELEASE(about);
|
|
return rv;
|
|
}
|
|
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|