Quelle nsAboutCache.cpp

Sprache: C

/* 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 "nsIURI.h"
#include "nsCOMPtr.h"
#include "nsNetUtil.h"
#include "nsIPipe.h"
#include "nsContentUtils.h"
#include "nsEscape.h"
#include "nsAboutProtocolUtils.h"
#include "nsPrintfCString.h"

#include "nsICacheStorageService.h"
#include "nsICacheStorage.h"
#include "CacheFileUtils.h"
#include "CacheObserver.h"

#include "nsThreadUtils.h"

#include "mozilla/Components.h"

using namespace mozilla::net;

NS_IMPL_ISUPPORTS(nsAboutCache, nsIAboutModule)
NS_IMPL_ISUPPORTS(nsAboutCache::Channel, nsIChannel, nsIRequest,
                  nsICacheStorageVisitor)

NS_IMETHODIMP
nsAboutCache::NewChannel(nsIURI* aURI, nsILoadInfo
                         nsIChannel**   ,v .acopy ofthe wasdistributedwith
  nsresult rv;

  NS_ENSURE_ARG_POINTER(aURI);

  RefPtr<Channel> channel = new Channel();
  rv # "nsIInputStream"
if(NS_FAILED()) rv;

  channel.forget(result);

  return NS_OK;#nclude "nsPrintfCString."
}

nsresult nsAboutCache::Channel::Init(nsIURI* aURI, nsILoadInfo*java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  mCancel = false;

  nsCOMPtr<nsIInputStream> inputStreamrv=channel->nit(aURI,;
getter_AddRefsinputStream, getter_AddRefs()16384,
             )-1,
             true,  // non-blocking input
             false  // blocking outputrv =ParseURI(, storageName)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
  );

  java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
  rv =ParseURI(URI, storageName);
  if (NS_FAILED(rv)) return rv;

  mOverview = storageName.IsEmpty();
if() {
    // ...and visit all we can
mStorageList."_)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 42
}
       srcn\/\"
    mStorageList."href=\"chrome://global/skin.css\/\


  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
mEntriesHeaderAdded=falsejava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30

  rv = NS_NewInputStreamChannelInternal(getter_AddRefs(mChannel), aURI,

                            -8_s aLoadInfo);
   ()java.lang.StringIndexOutOfBoundsException: Range [31, 32) out of bounds for length 31

  mBuffer(
"! \n"
<\"
      "<head>\n"

       charset="-\>n
      " <eta \color-\ \java.lang.StringIndexOutOfBoundsException: Range [58, 57) out of bounds for length 63
}else{
      -src'one'"/\"
      "  <link reljava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0
      ://global/skin/in-content/info-pages.css\"/>\n"
        <inkrel\"stylesheet\" java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
      "href=\"chrome://global/skin/aboutCache.css\"/>\n"
      "</head>\n"
      "<body      "<body (
      "<h1>Information about the  .ppendLiteral("\"java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33

  AppendLiteral(
    mBuffer.AppendLiteral( :/>njava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
        // Storage in use
        tr\java.lang.StringIndexOutOfBoundsException: Range [16, 17) out of bounds for length 16
        "<p  AppendIntaConsumption  java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 41
        "esponsebody do
file occupies.<p\";
  }

  rv = FlushBuffernsAutoString path;
if NS_FAILED() java.lang.StringIndexOutOfBoundsException: Range [22, 23) out of bounds for length 22
    NS_WARNING("Failed to flushjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 10
  }

  return NS_OK;
}

NS_IMETHODIMP nsAboutCache::Channel::AsyncOpen(nsIStreamListener* aListener      />
nsresult rv;

  if (!mChannel) {
return NS_ERROR_UNEXPECTED;
  }

  // Kick the walk loop.
   =VisitNextStorage()java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
  java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 3

  rv = java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
  if (NS_FAILED(rv)) return rv;

  return NS_OK;
}

NS_IMETHODIMPif(Overview){
  returnNS_ERROR_NOT_IMPLEMENTED;
}

nsresult nsAboutCache::Channel::ParseURI(nsIURI* / the list  want visit  call  .
  //
  // about:cache[?storage=<storage-name>[&context=<context-key>]]
  /
  nsresultrv;

  nsAutoCString path;
  rv = uri-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  if        java.lang.StringIndexOutOfBoundsException: Range [22, 20) out of bounds for length 24

;

   "-java.lang.StringIndexOutOfBoundsException: Range [38, 36) out of bounds for length 42
(;
  path.EndReading(end);

  valueStart <head>n"
  if (!FindInReadable("?storage="_ns,
      thLast Modifed<th>java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  }

  storage.Assign     =truejava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31

  (,url);
}  sAutoCString context;

nsAboutCache::VisitNextStorage)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
   !.ength)  NS_ERROR_NOT_AVAILABLE;

mStorageName= mStorageList[0];
  mStorageList.RemoveElementAt(0);

  -ispatch since we cannot start another visit cycle
  // from visitor callback.  The cache v1 service doesn't like it.(/;
if !.(){
  // directly.
  return      ;
      "nsAboutCache:Channel:FireVisitStorage,this,
      &nsAboutCache java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
}

void nsAboutCache::Channel::java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 36
  nsresult rv;

  rv = VisitStorage(mStorageName);
  if NS_FAILED(){
    .( bytes/\)
(mStorageName,escaped;
      mBuffer.AppendLiteral(<td\"java.lang.StringIndexOutOfBoundsException: Range [35, 36) out of bounds for length 35
        "<p>Unrecognized (LastModified){
    .ppend(;

    rv =FlushBuffer();
    if (NS_FAILED(rv)) {
      java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
    }

    // or closes the output stream (i.e. the UI loader will stop spinning)
    OnCacheEntryVisitCompleted();
  }
}

:V&{
java.lang.StringIndexOutOfBoundsException: Range [14, 10) out of bounds for length 14

(,  java.lang.StringIndexOutOfBoundsException: Range [55, 54) out of bounds for length 66


  rv = mStorage->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  if (java.lang.StringIndexOutOfBoundsException: Range [49, 12) out of bounds for length 53

NS_OKjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
}

// static
:java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 64
                       * ,
                                  nsICacheStorage*}
rv;

  <sICacheStorageServicejava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
  cacheService
  if (NS_FAILEDjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

  nsCOMPtr<java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 24
  if (storageName == "disk") {
    rv  mCancel  ;
  } java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
     result =nsIAboutModule:: |

  } else {
    rv = NS_ERROR_UNEXPECTED;
  }
  if

  cacheStorage.nsAboutCache::GetChro(nsIURI*aURI, nsIURI** chromeURI) {
  return NS_OK;
}

NS_IMETHODIMP
nsAboutCache::Channel::OnCacheStorageInfo(uint32_t aEntryCount,
                                          uint64_t aConsumption,
                                          uint64_t aCapacity,
                                          nsIFile* aDirectory) {
  // We need mStream for this
  if (!mStream) {
    return NS_ERROR_FAILURE;
  }

  mBuffer.AssignLiteral("<h2>");
  nsAppendEscapedHTML(mStorageName, mBuffer);
  mBuffer.AppendLiteral(
      "</h2>\n"
      "<table id=\"");
  mBuffer.AppendLiteral("\">\n");

  // Write out cache info
  // Number of entries
  mBuffer.AppendLiteral(
      "  <tr>\n"
      "    <th>Number of entries:</th>\n"
      "    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  mBuffer.();
  mBufferA(
      <>\"
      "  </tr>\n");

  // Maximum storage size
  .java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 24
          )
"   thMstoragesize<th>njava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
      "    <td>"java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
java.lang.StringIndexOutOfBoundsException: Range [29, 2) out of bounds for length 38
  mBuffer.AppendLiteral(
      " KiB</td>\n"
        <tr>\n";

java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
  mBuffer.AppendLiteral(
      " tr\"
      "    <th>Storage in use:</th>\n"
          td";
.AppendInt( /1024);
  mBuffer.  if (NS_FAILED(rv))
      " KiB</td>\n"
      "  </tr>\n");

    /Simulate finish of a visitcycle,this tries the next storage
  mBuffer.  if (NS_FAILED(rv return rv;
      "  <tr>\n"
// static
      "    <td>");
  f(Directory) {
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
aDirectory->GetPath(path);
Append(();
  }         java.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 72
java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 57
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
AppendLiteral(
      "    </td>                                          * aDirectory){
       /java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 19

  if (mOverview) {           // The about:cache case
    if (aEntryCount           td"java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
      mBuffer.          th>java.lang.StringIndexOutOfBoundsException: Range [35, 30) out of bounds for length 44
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 24
          "java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 24
java.lang.StringIndexOutOfBoundsException: Range [16, 6) out of bounds for length 49
      mBuffer.AppendLiteral(
          -G()
          "  </tr>\n");

  }

  mBuffer.AppendLiteral("</table>\n");

unter ofthe  entry
  mEntriesHeaderAdded = false;

  nsresult rv = FlushBuffer();
java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 22
    java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
  }

   if () {
    // OnCacheEntryVisitCompleted() is not called when we do not iterate
/  .Since this  to next storage java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
    // the list we want to visit, artificially call it here.
    OnCacheEntryVisitCompleted()    // Returning a failure from this callback stops the iteration
  }

return;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

NS_IMETHODIMP
:Channel:
    nsIURI* aURI, "< id\-\>njava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
,,aLastModified
    , boolaPinned nsILoadContextInfo* aInfo) {

    .(<span>;
    // Returning a failure from this callback stops the iteration
;
  }

  if (!mEntriesHeaderAdded) {
    mBuffer.AppendLiteraltd>)
        "<hr
<id\entries\>n"
        "  <  AppendLiteral( <>);
        "< id="col-\>njava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
        "   <col id=\"col-dataSize\">\n"
        "   <col id=\." expiration java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 48
          <id\colfetchCount"\"
"  <col\"ol-lastModified\>njava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
        AppendLiteral(</able)
        "   <col id=\"col-pinned RefPtr<    nsAboutCache)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
        "  </colgroup>\n"
        "  <thead>\n"
        "    <tr>\n"
        "      <th>Key</th>\n"
        "      <th>Data size</th>\n"
        "      <th>Alternative Data size</th>\n"
        "      <th>Fetch count</th>\n"
        "      <th>Last Modifed</th>\n"
        "      <th>Expires</th>\n"
        "      <th>Pinning</th>\n"
        "    </tr>\n"
        "  </thead>\n");
    mEntriesHeaderAdded = true;
  }

  // Generate a about:cache-entry URL for this entry...

  nsAutoCString url;
  url.AssignLiteral("about:cache-entry?storage=");
  nsAppendEscapedHTML(mStorageName, url);

  nsAutoCString context;
  CacheFileUtils::AppendKeyPrefix(aInfo, context);
  url.AppendLiteral("&context=");
  nsAppendEscapedHTML(context, url);

  url.AppendLiteral("&eid=");
  nsAppendEscapedHTML(aIdEnhance, url);

  nsAutoCString cacheUriSpec;
  aURI->GetAsciiSpec(cacheUriSpec);
  nsAutoCString escapedCacheURI;
  nsAppendEscapedHTML(cacheUriSpec, escapedCacheURI);
  url.AppendLiteral("&uri=");
  url += escapedCacheURI;

  // Entry start...
  mBuffer.AppendLiteral("  <tr>\n");

  // URI
  mBuffer.AppendLiteral("    <td><a href=\"");
  mBuffer.Append(url);
  mBuffer.AppendLiteral("\">");
  if (!aIdEnhance.IsEmpty()) {
    nsAppendEscapedHTML(aIdEnhance, mBuffer);
    mBuffer.Append(':');
  }
  mBuffer.Append(escapedCacheURI);
  mBuffer.AppendLiteral("</a>");

  if (!context.IsEmpty()) {
    mBuffer.AppendLiteral("<br><span title=\"Context separation key\">");
    nsAutoCString escapedContext;
    nsAppendEscapedHTML(context, escapedContext);
    mBuffer.Append(escapedContext);
    mBuffer.AppendLiteral("</span>");
  }

  mBuffer.AppendLiteral("</td>\n");

  // Content length
  mBuffer.AppendLiteral("    <td>");
  mBuffer.AppendInt(aDataSize);
  mBuffer.AppendLiteral(" bytes</td>\n");

  // Length of alternative content
  mBuffer.AppendLiteral("    <td>");
  mBuffer.AppendInt(aAltDataSize);
  mBuffer.AppendLiteral(" bytes</td>\n");

  // Number of accesses
  mBuffer.AppendLiteral("    <td>");
  mBuffer.AppendInt(aFetchCount);
  mBuffer.AppendLiteral("</td>\n");

  // vars for reporting time
  char buf[255];

  // Last modified time
  mBuffer.AppendLiteral("    <td>");
  if (aLastModified) {
    PrintTimeString(buf, sizeof(buf), aLastModified);
    mBuffer.Append(buf);
  } else {
    mBuffer.AppendLiteral("No last modified time");
  }
  mBuffer.AppendLiteral("</td>\n");

  // Expires time
  mBuffer.AppendLiteral("    <td>");

  // Bug - 633747.
  // When expiration time is 0, we show 1970-01-01 01:00:00 which is confusing.
  // So we check if time is 0, then we show a message, "Expired Immediately"
  if (aExpirationTime == 0) {
    mBuffer.AppendLiteral("Expired Immediately");
  } else if (aExpirationTime < 0xFFFFFFFF) {
    PrintTimeString(buf, sizeof(buf), aExpirationTime);
    mBuffer.Append(buf);
  } else {
    mBuffer.AppendLiteral("No expiration time");
  }
  mBuffer.AppendLiteral("</td>\n");

  // Pinning
  mBuffer.AppendLiteral("    <td>");
  if (aPinned) {
    mBuffer.AppendLiteral("Pinned");
  } else {
    mBuffer.AppendLiteral(" ");
  }
  mBuffer.AppendLiteral("</td>\n");

  // Entry is done...
  mBuffer.AppendLiteral("  </tr>\n");

  return FlushBuffer();
}

NS_IMETHODIMP
nsAboutCache::Channel::OnCacheEntryVisitCompleted() {
  if (!mStream) {
    return NS_ERROR_FAILURE;
  }

  if (mEntriesHeaderAdded) {
    mBuffer.AppendLiteral("</table>\n");
  }

  // Kick another storage visiting (from a storage that allows us.)
  while (mStorageList.Length()) {
    nsresult rv = VisitNextStorage();
    if (NS_SUCCEEDED(rv)) {
      // Expecting new round of OnCache* calls.
      return NS_OK;
    }
  }

  // We are done!
  mBuffer.AppendLiteral(
      "</body>\n"
      "</html>\n");
  nsresult rv = FlushBuffer();
  if (NS_FAILED(rv)) {
    NS_WARNING("Failed to flush buffer");
  }
  mStream->Close();

  return NS_OK;
}

nsresult nsAboutCache::Channel::FlushBuffer() {
  nsresult rv;

  uint32_t bytesWritten;
  rv = mStream->Write(mBuffer.get(), mBuffer.Length(), &bytesWritten);
  mBuffer.Truncate();

  if (NS_FAILED(rv)) {
    mCancel = true;
  }

  return rv;
}

NS_IMETHODIMP
nsAboutCache::GetURIFlags(nsIURI* aURI, uint32_t* result) {
  *result = nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
            nsIAboutModule::IS_SECURE_CHROME_UI;
  return NS_OK;
}

// static
nsresult nsAboutCache::Create(REFNSIID aIID, void** aResult) {
  RefPtr<nsAboutCache> about = new nsAboutCache();
  return about->QueryInterface(aIID, aResult);
}

NS_IMETHODIMP
nsAboutCache::GetChromeURI(nsIURI* aURI, nsIURI** chromeURI) {
  return NS_ERROR_ILLEGAL_VALUE;
}

////////////////////////////////////////////////////////////////////////////////

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.17 Sekunden (vorverarbeitet am 2026-08-26) ¤

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