Esempio n. 1
0
TEST(CloneInputStream, NonCloneableInput_NoFallback)
{
  nsTArray<char> inputData;
  testing::CreateData(4 * 1024, inputData);
  nsDependentCSubstring inputString(inputData.Elements(), inputData.Length());

  nsCOMPtr<nsIInputStream> base;
  nsresult rv = NS_NewCStringInputStream(getter_AddRefs(base), inputString);
  ASSERT_TRUE(NS_SUCCEEDED(rv));

  // Take advantage of nsBufferedInputStream being non-cloneable right
  // now.  If this changes in the future, then we need a different stream
  // type in this test.
  nsCOMPtr<nsIInputStream> stream;
  rv = NS_NewBufferedInputStream(getter_AddRefs(stream), base, 4096);
  ASSERT_TRUE(NS_SUCCEEDED(rv));

  nsCOMPtr<nsICloneableInputStream> cloneable = do_QueryInterface(stream);
  ASSERT_TRUE(cloneable == nullptr);

  nsCOMPtr<nsIInputStream> clone;
  rv = NS_CloneInputStream(stream, getter_AddRefs(clone));
  ASSERT_TRUE(NS_FAILED(rv));
  ASSERT_TRUE(clone == nullptr);

  testing::ConsumeAndValidateStream(stream, inputString);
}
Esempio n. 2
0
// Convert aFromStream (of type aFromType), to _retval (nsIInputStream of type aToType).
// This Convert method simply converts the stream byte-by-byte, to the first character
// in the aToType "string".
NS_IMETHODIMP
TestConverter::Convert(nsIInputStream *aFromStream, 
                       const char *aFromType, 
                       const char *aToType, 
                       nsISupports *ctxt, 
                       nsIInputStream **_retval) {
    char buf[1024+1];
    PRUint32 read;
    nsresult rv = aFromStream->Read(buf, 1024, &read);
    if (NS_FAILED(rv) || read == 0) return rv;

    // verify that the data we're converting matches the from type
    // if it doesn't then we're being handed the wrong data.
    char fromChar = *aFromType;

    if (fromChar != buf[0]) {
        printf("We're receiving %c, but are supposed to have %c.\n", buf[0], fromChar);
        return NS_ERROR_FAILURE;
    }


    // Get the first character 
    char toChar = *aToType;

    for (PRUint32 i = 0; i < read; i++) 
        buf[i] = toChar;

    buf[read] = '\0';

    return NS_NewCStringInputStream(_retval, nsDependentCString(buf));
}
Esempio n. 3
0
void
DataTransfer::FillInExternalCustomTypes(nsIVariant* aData, uint32_t aIndex,
                                        nsIPrincipal* aPrincipal)
{
  char* chrs;
  uint32_t len = 0;
  nsresult rv = aData->GetAsStringWithSize(&len, &chrs);
  if (NS_FAILED(rv)) {
    return;
  }

  nsAutoCString str;
  str.Adopt(chrs, len);

  nsCOMPtr<nsIInputStream> stringStream;
  NS_NewCStringInputStream(getter_AddRefs(stringStream), str);

  nsCOMPtr<nsIBinaryInputStream> stream =
    do_CreateInstance("@mozilla.org/binaryinputstream;1");
  if (!stream) {
    return;
  }

  rv = stream->SetInputStream(stringStream);
  NS_ENSURE_SUCCESS_VOID(rv);

  uint32_t type;
  do {
    rv = stream->Read32(&type);
    NS_ENSURE_SUCCESS_VOID(rv);
    if (type == eCustomClipboardTypeId_String) {
      uint32_t formatLength;
      rv = stream->Read32(&formatLength);
      NS_ENSURE_SUCCESS_VOID(rv);
      char* formatBytes;
      rv = stream->ReadBytes(formatLength, &formatBytes);
      NS_ENSURE_SUCCESS_VOID(rv);
      nsAutoString format;
      format.Adopt(reinterpret_cast<char16_t*>(formatBytes),
                   formatLength / sizeof(char16_t));

      uint32_t dataLength;
      rv = stream->Read32(&dataLength);
      NS_ENSURE_SUCCESS_VOID(rv);
      char* dataBytes;
      rv = stream->ReadBytes(dataLength, &dataBytes);
      NS_ENSURE_SUCCESS_VOID(rv);
      nsAutoString data;
      data.Adopt(reinterpret_cast<char16_t*>(dataBytes),
                 dataLength / sizeof(char16_t));

      RefPtr<nsVariantCC> variant = new nsVariantCC();
      rv = variant->SetAsAString(data);
      NS_ENSURE_SUCCESS_VOID(rv);

      SetDataWithPrincipal(format, variant, aIndex, aPrincipal);
    }
  } while (type != eCustomClipboardTypeId_None);
}
Esempio n. 4
0
NS_IMETHODIMP
nsRDFXMLParser::ParseString(nsIRDFDataSource* aSink, nsIURI* aBaseURI, const nsACString& aString)
{
    nsresult rv;

    nsCOMPtr<nsIRDFContentSink> sink =
        do_CreateInstance("@mozilla.org/rdf/content-sink;1", &rv);

    if (NS_FAILED(rv)) return rv;

    rv = sink->Init(aBaseURI);
    if (NS_FAILED(rv)) return rv;

    // We set the content sink's data source directly to our in-memory
    // store. This allows the initial content to be generated "directly".
    rv = sink->SetDataSource(aSink);
    if (NS_FAILED(rv)) return rv;

    nsCOMPtr<nsIParser> parser = do_CreateInstance(kParserCID, &rv);
    if (NS_FAILED(rv)) return rv;

    parser->SetDocumentCharset(NS_LITERAL_CSTRING("UTF-8"),
                               kCharsetFromOtherComponent);
    parser->SetContentSink(sink);

    rv = parser->Parse(aBaseURI);
    if (NS_FAILED(rv)) return rv;

    nsCOMPtr<nsIStreamListener> listener =
        do_QueryInterface(parser);

    if (! listener)
        return NS_ERROR_FAILURE;

    nsCOMPtr<nsIInputStream> stream;
    rv = NS_NewCStringInputStream(getter_AddRefs(stream), aString);
    if (NS_FAILED(rv)) return rv;

    nsCOMPtr<nsIPrincipal> nullPrincipal = nsNullPrincipal::Create();
    NS_ENSURE_TRUE(nullPrincipal, NS_ERROR_FAILURE);

    // The following channel is never openend, so it does not matter what
    // securityFlags we pass; let's follow the principle of least privilege.
    nsCOMPtr<nsIChannel> channel;
    rv = NS_NewInputStreamChannel(getter_AddRefs(channel),
                                  aBaseURI,
                                  stream,
                                  nullPrincipal,
                                  nsILoadInfo::SEC_REQUIRE_SAME_ORIGIN_DATA_IS_BLOCKED,
                                  nsIContentPolicy::TYPE_OTHER,
                                  NS_LITERAL_CSTRING("text/xml"));
    if (NS_FAILED(rv)) return rv;

    listener->OnStartRequest(channel, nullptr);
    listener->OnDataAvailable(channel, nullptr, stream, 0, aString.Length());
    listener->OnStopRequest(channel, nullptr, NS_OK);

    return NS_OK;
}
Esempio n. 5
0
nsresult
nsIndexedToHTML::SendToListener(nsIRequest* aRequest, nsISupports *aContext, const nsACString &aBuffer)
{
    nsCOMPtr<nsIInputStream> inputData;
    nsresult rv = NS_NewCStringInputStream(getter_AddRefs(inputData), aBuffer);
    NS_ENSURE_SUCCESS(rv, rv);
    return mListener->OnDataAvailable(aRequest, aContext,
                                      inputData, 0, aBuffer.Length());
}
Esempio n. 6
0
NS_IMETHODIMP
URLSearchParams::GetSendInfo(nsIInputStream** aBody, uint64_t* aContentLength,
                             nsACString& aContentType, nsACString& aCharset)
{
  aContentType.AssignLiteral("application/x-www-form-urlencoded");
  aCharset.AssignLiteral("UTF-8");

  nsAutoString serialized;
  Serialize(serialized);
  NS_ConvertUTF16toUTF8 converted(serialized);
  *aContentLength = converted.Length();
  return NS_NewCStringInputStream(aBody, converted);
}
// Helper function for creating a seekable nsIInputStream + a SlicedInputStream.
SlicedInputStream*
CreateSeekableStreams(uint32_t aSize, uint64_t aStart, uint64_t aLength,
                      nsCString& aBuffer)
{
  aBuffer.SetLength(aSize);
  for (uint32_t i = 0; i < aSize; ++i) {
    aBuffer.BeginWriting()[i] = i % 10;
  }

  nsCOMPtr<nsIInputStream> stream;
  NS_NewCStringInputStream(getter_AddRefs(stream), aBuffer);
  return new SlicedInputStream(stream, aStart, aLength);
}
Esempio n. 8
0
nsresult
nsHttpConnection::SetupSSLProxyConnect()
{
    const char *val;

    LOG(("nsHttpConnection::SetupSSLProxyConnect [this=%x]\n", this));

    NS_ENSURE_TRUE(!mSSLProxyConnectStream, NS_ERROR_ALREADY_INITIALIZED);

    nsCAutoString buf;
    nsresult rv = nsHttpHandler::GenerateHostPort(
            nsDependentCString(mConnInfo->Host()), mConnInfo->Port(), buf);
    if (NS_FAILED(rv))
        return rv;

    // CONNECT host:port HTTP/1.1
    nsHttpRequestHead request;
    request.SetMethod(nsHttp::Connect);
    request.SetVersion(gHttpHandler->HttpVersion());
    request.SetRequestURI(buf);
    request.SetHeader(nsHttp::User_Agent, gHttpHandler->UserAgent());

    // send this header for backwards compatibility.
    request.SetHeader(nsHttp::Proxy_Connection, NS_LITERAL_CSTRING("keep-alive"));

    // NOTE: this cast is valid since this connection cannot be processing a
    // transaction pipeline until after the first HTTP/1.1 response.
    nsHttpTransaction *trans = static_cast<nsHttpTransaction *>(mTransaction);
    
    val = trans->RequestHead()->PeekHeader(nsHttp::Host);
    if (val) {
        // all HTTP/1.1 requests must include a Host header (even though it
        // may seem redundant in this case; see bug 82388).
        request.SetHeader(nsHttp::Host, nsDependentCString(val));
    }

    val = trans->RequestHead()->PeekHeader(nsHttp::Proxy_Authorization);
    if (val) {
        // we don't know for sure if this authorization is intended for the
        // SSL proxy, so we add it just in case.
        request.SetHeader(nsHttp::Proxy_Authorization, nsDependentCString(val));
    }

    buf.Truncate();
    request.Flatten(buf, PR_FALSE);
    buf.AppendLiteral("\r\n");

    return NS_NewCStringInputStream(getter_AddRefs(mSSLProxyConnectStream), buf);
}
NS_IMETHODIMP
nsRDFXMLParser::ParseString(nsIRDFDataSource* aSink, nsIURI* aBaseURI, const nsACString& aString)
{
    nsresult rv;

    nsCOMPtr<nsIRDFContentSink> sink =
        do_CreateInstance("@mozilla.org/rdf/content-sink;1", &rv);

    if (NS_FAILED(rv)) return rv;

    rv = sink->Init(aBaseURI);
    if (NS_FAILED(rv)) return rv;

    // We set the content sink's data source directly to our in-memory
    // store. This allows the initial content to be generated "directly".
    rv = sink->SetDataSource(aSink);
    if (NS_FAILED(rv)) return rv;

    nsCOMPtr<nsIParser> parser = do_CreateInstance(kParserCID, &rv);
    if (NS_FAILED(rv)) return rv;

    parser->SetDocumentCharset(NS_LITERAL_CSTRING("UTF-8"),
                               kCharsetFromOtherComponent);
    parser->SetContentSink(sink);

    rv = parser->Parse(aBaseURI);
    if (NS_FAILED(rv)) return rv;

    nsCOMPtr<nsIStreamListener> listener =
        do_QueryInterface(parser);

    if (! listener)
        return NS_ERROR_FAILURE;

    nsCOMPtr<nsIInputStream> stream;
    rv = NS_NewCStringInputStream(getter_AddRefs(stream), aString);
    if (NS_FAILED(rv)) return rv;

    nsCOMPtr<nsIChannel> channel;
    rv = NS_NewInputStreamChannel(getter_AddRefs(channel), aBaseURI, stream,
                                  NS_LITERAL_CSTRING("text/xml"));
    if (NS_FAILED(rv)) return rv;

    listener->OnStartRequest(channel, nsnull);
    listener->OnDataAvailable(channel, nsnull, stream, 0, aString.Length());
    listener->OnStopRequest(channel, nsnull, NS_OK);

    return NS_OK;
}
Esempio n. 10
0
// static
already_AddRefed<nsIInputStream>
FileHandleBase::GetInputStream(const nsAString& aValue, uint64_t* aInputLength,
                               ErrorResult& aRv)
{
  NS_ConvertUTF16toUTF8 cstr(aValue);

  nsCOMPtr<nsIInputStream> stream;
  aRv = NS_NewCStringInputStream(getter_AddRefs(stream), cstr);
  if (aRv.Failed()) {
    return nullptr;
  }

  *aInputLength = cstr.Length();
  return stream.forget();
}
Esempio n. 11
0
void
EmptyBlobImpl::GetInternalStream(nsIInputStream** aStream,
                                 ErrorResult& aRv)
{
  if (NS_WARN_IF(!aStream)) {
    aRv.Throw(NS_ERROR_FAILURE);
    return;
  }

  nsresult rv = NS_NewCStringInputStream(aStream, EmptyCString());
  if (NS_WARN_IF(NS_FAILED(rv))) {
    aRv.Throw(rv);
    return;
  }
}
Esempio n. 12
0
TEST(CloneInputStream, CloneableInput)
{
  nsTArray<char> inputData;
  testing::CreateData(4 * 1024, inputData);
  nsDependentCSubstring inputString(inputData.Elements(), inputData.Length());

  nsCOMPtr<nsIInputStream> stream;
  nsresult rv = NS_NewCStringInputStream(getter_AddRefs(stream), inputString);
  ASSERT_TRUE(NS_SUCCEEDED(rv));

  nsCOMPtr<nsIInputStream> clone;
  rv = NS_CloneInputStream(stream, getter_AddRefs(clone));
  ASSERT_TRUE(NS_SUCCEEDED(rv));

  testing::ConsumeAndValidateStream(stream, inputString);
  testing::ConsumeAndValidateStream(clone, inputString);
}
Esempio n. 13
0
template<> nsresult
BodyExtractor<const nsAString>::GetAsStream(nsIInputStream** aResult,
                                            uint64_t* aContentLength,
                                            nsACString& aContentTypeWithCharset,
                                            nsACString& aCharset) const
{
  nsCOMPtr<nsIUnicodeEncoder> encoder =
    EncodingUtils::EncoderForEncoding("UTF-8");
  if (!encoder) {
    return NS_ERROR_OUT_OF_MEMORY;
  }

  int32_t destBufferLen;
  nsresult rv = encoder->GetMaxLength(mBody->BeginReading(), mBody->Length(),
                                      &destBufferLen);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  nsCString encoded;
  if (!encoded.SetCapacity(destBufferLen, fallible)) {
    return NS_ERROR_OUT_OF_MEMORY;
  }

  char* destBuffer = encoded.BeginWriting();
  int32_t srcLen = (int32_t) mBody->Length();
  int32_t outLen = destBufferLen;
  rv = encoder->Convert(mBody->BeginReading(), &srcLen, destBuffer, &outLen);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  MOZ_ASSERT(outLen <= destBufferLen);
  encoded.SetLength(outLen);

  rv = NS_NewCStringInputStream(aResult, encoded);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    return rv;
  }

  *aContentLength = outLen;
  aContentTypeWithCharset.AssignLiteral("text/plain;charset=UTF-8");
  aCharset.AssignLiteral("UTF-8");
  return NS_OK;
}
Esempio n. 14
0
TEST(CloneInputStream, NonCloneableInput_Fallback)
{
  nsTArray<char> inputData;
  testing::CreateData(4 * 1024, inputData);
  nsDependentCSubstring inputString(inputData.Elements(), inputData.Length());

  nsCOMPtr<nsIInputStream> base;
  nsresult rv = NS_NewCStringInputStream(getter_AddRefs(base), inputString);
  ASSERT_TRUE(NS_SUCCEEDED(rv));

  // Take advantage of nsBufferedInputStream being non-cloneable right
  // now.  If this changes in the future, then we need a different stream
  // type in this test.
  nsCOMPtr<nsIInputStream> stream;
  rv = NS_NewBufferedInputStream(getter_AddRefs(stream), base, 4096);
  ASSERT_TRUE(NS_SUCCEEDED(rv));

  nsCOMPtr<nsICloneableInputStream> cloneable = do_QueryInterface(stream);
  ASSERT_TRUE(cloneable == nullptr);

  nsCOMPtr<nsIInputStream> clone;
  nsCOMPtr<nsIInputStream> replacement;
  rv = NS_CloneInputStream(stream, getter_AddRefs(clone),
                           getter_AddRefs(replacement));
  ASSERT_TRUE(NS_SUCCEEDED(rv));
  ASSERT_TRUE(clone != nullptr);
  ASSERT_TRUE(replacement != nullptr);
  ASSERT_TRUE(stream.get() != replacement.get());
  ASSERT_TRUE(clone.get() != replacement.get());

  stream = replacement.forget();

  // The stream is being copied asynchronously on the STS event target.  Spin
  // a yield loop here until the data is available.  Yes, this is a bit hacky,
  // but AFAICT, gtest does not support async test completion.
  uint64_t available;
  do {
    mozilla::unused << PR_Sleep(PR_INTERVAL_NO_WAIT);
    rv = stream->Available(&available);
    ASSERT_TRUE(NS_SUCCEEDED(rv));
  } while(available < inputString.Length());

  testing::ConsumeAndValidateStream(stream, inputString);
  testing::ConsumeAndValidateStream(clone, inputString);
}
Esempio n. 15
0
TEST(CloneInputStream, CloneMultiplexStreamPartial)
{
  nsCOMPtr<nsIMultiplexInputStream> stream =
    do_CreateInstance("@mozilla.org/io/multiplex-input-stream;1");
  ASSERT_TRUE(stream);

  nsTArray<char> inputData;
  testing::CreateData(1024, inputData);
  for (uint32_t i = 0; i < 2; ++i) {
    nsCString inputString(inputData.Elements(), inputData.Length());

    nsCOMPtr<nsIInputStream> base;
    nsresult rv = NS_NewCStringInputStream(getter_AddRefs(base), inputString);
    ASSERT_TRUE(NS_SUCCEEDED(rv));

    rv = stream->AppendStream(base);
    ASSERT_TRUE(NS_SUCCEEDED(rv));
  }

  // Fail when first stream read, but second hasn't been started.
  nsAutoPtr<char> buffer(new char[1024]);
  uint32_t read;
  nsresult rv = stream->Read(buffer, 1024, &read);
  ASSERT_TRUE(NS_SUCCEEDED(rv));

  nsCOMPtr<nsIInputStream> clone;
  rv = NS_CloneInputStream(stream, getter_AddRefs(clone));
  ASSERT_TRUE(NS_FAILED(rv));

  // Fail after beginning read of second stream.
  rv = stream->Read(buffer, 512, &read);
  ASSERT_TRUE(NS_SUCCEEDED(rv) && read == 512);

  rv = NS_CloneInputStream(stream, getter_AddRefs(clone));
  ASSERT_TRUE(NS_FAILED(rv));

  // Fail at the end.
  nsAutoCString consumed;
  rv = NS_ConsumeStream(stream, UINT32_MAX, consumed);
  ASSERT_TRUE(NS_SUCCEEDED(rv));

  rv = NS_CloneInputStream(stream, getter_AddRefs(clone));
  ASSERT_TRUE(NS_FAILED(rv));
}
Esempio n. 16
0
NS_IMETHODIMP
nsAboutBlank::NewChannel(nsIURI *aURI, nsIChannel **result)
{
    NS_ENSURE_ARG_POINTER(aURI);
    nsresult rv;
    nsIChannel* channel;

    nsCOMPtr<nsIInputStream> in;
    rv = NS_NewCStringInputStream(getter_AddRefs(in), EmptyCString());
    if (NS_FAILED(rv)) return rv;

    rv = NS_NewInputStreamChannel(&channel, aURI, in,
                                  NS_LITERAL_CSTRING("text/html"),
                                  NS_LITERAL_CSTRING("utf-8"));
    if (NS_FAILED(rv)) return rv;

    *result = channel;
    return rv;
}
Esempio n. 17
0
TEST(CloneInputStream, CloneMultiplexStream)
{
  nsCOMPtr<nsIMultiplexInputStream> stream =
    do_CreateInstance("@mozilla.org/io/multiplex-input-stream;1");
  ASSERT_TRUE(stream);

  nsTArray<char> inputData;
  testing::CreateData(1024, inputData);
  for (uint32_t i = 0; i < 2; ++i) {
    nsCString inputString(inputData.Elements(), inputData.Length());

    nsCOMPtr<nsIInputStream> base;
    nsresult rv = NS_NewCStringInputStream(getter_AddRefs(base), inputString);
    ASSERT_TRUE(NS_SUCCEEDED(rv));

    rv = stream->AppendStream(base);
    ASSERT_TRUE(NS_SUCCEEDED(rv));
  }

  // Unread stream should clone successfully.
  nsTArray<char> doubled;
  doubled.AppendElements(inputData);
  doubled.AppendElements(inputData);

  nsCOMPtr<nsIInputStream> clone;
  nsresult rv = NS_CloneInputStream(stream, getter_AddRefs(clone));
  ASSERT_TRUE(NS_SUCCEEDED(rv));
  testing::ConsumeAndValidateStream(clone, doubled);

  // Stream that has been read should fail.
  nsAutoPtr<char> buffer(new char[512]);
  uint32_t read;
  rv = stream->Read(buffer, 512, &read);
  ASSERT_TRUE(NS_SUCCEEDED(rv));

  nsCOMPtr<nsIInputStream> clone2;
  rv = NS_CloneInputStream(stream, getter_AddRefs(clone2));
  ASSERT_TRUE(NS_FAILED(rv));
}
Esempio n. 18
0
NS_IMETHODIMP
nsAboutBlank::NewChannel(nsIURI* aURI,
                         nsILoadInfo* aLoadInfo,
                         nsIChannel** result)
{
    NS_ENSURE_ARG_POINTER(aURI);

    nsCOMPtr<nsIInputStream> in;
    nsresult rv = NS_NewCStringInputStream(getter_AddRefs(in), EmptyCString());
    if (NS_FAILED(rv)) return rv;

    nsCOMPtr<nsIChannel> channel;
    // Bug 1087720 (and Bug 1099296):
    // Once all callsites have been updated to call NewChannel2()
    // instead of NewChannel() we should have a non-null loadInfo
    // consistently. Until then we have to branch on the loadInfo.
    if (aLoadInfo) {
      rv = NS_NewInputStreamChannelInternal(getter_AddRefs(channel),
                                            aURI,
                                            in,
                                            NS_LITERAL_CSTRING("text/html"),
                                            NS_LITERAL_CSTRING("utf-8"),
                                            aLoadInfo);
    }
    else {
      rv = NS_NewInputStreamChannel(getter_AddRefs(channel),
                                    aURI,
                                    in,
                                    nsContentUtils::GetSystemPrincipal(),
                                    nsILoadInfo::SEC_NORMAL,
                                    nsIContentPolicy::TYPE_OTHER,
                                    NS_LITERAL_CSTRING("text/html"),
                                    NS_LITERAL_CSTRING("utf-8"));
    }
    if (NS_FAILED(rv)) return rv;

    channel.forget(result);
    return rv;
}
nsresult
NS_DeserializeObject(const nsCSubstring& str, nsISupports** obj)
{
  // Base64 maps 3 binary bytes -> 4 ASCII bytes, so this calculation gives us
  // the right size. Compare also the comment in plbase64.h.
  PRUint32 size = (str.Length() * 3) / 4;
  char* buf = PL_Base64Decode(str.BeginReading(), str.Length(), nsnull);
  if (!buf)
    return NS_ERROR_OUT_OF_MEMORY;
  nsCOMPtr<nsIInputStream> stream;
  nsresult rv = NS_NewCStringInputStream(getter_AddRefs(stream),
                                         Substring(buf, buf + size));
  PR_Free(buf);
  NS_ENSURE_SUCCESS(rv, rv);

  nsCOMPtr<nsIObjectInputStream> objstream =
      do_CreateInstance("@mozilla.org/binaryinputstream;1");
  if (!objstream)
    return NS_ERROR_OUT_OF_MEMORY;

  objstream->SetInputStream(stream);
  return objstream->ReadObject(PR_TRUE, obj);
}
nsresult
NS_DeserializeObject(const nsCSubstring& str, nsISupports** obj)
{
  // Base64 maps 3 binary bytes -> 4 ASCII bytes.  If the original byte array
  // does not have length 0 mod 3, the input is padded with zeros and the
  // output is padded with a corresponding number of trailing '=' (which are
  // then sometimes dropped).  To compute the correct length of the original
  // byte array, we have to subtract the number of trailing '=' and then
  // multiply by 3 and then divide by 4 (making sure this is an integer
  // division).

  PRUint32 size = str.Length();
  if (size > 0 && str[size-1] == '=') {
    if (size > 1 && str[size-2] == '=') {
      size -= 2;
    } else {
      size -= 1;
    }
  }
  size = (size * 3) / 4;
  char* buf = PL_Base64Decode(str.BeginReading(), str.Length(), nullptr);
  if (!buf)
    return NS_ERROR_OUT_OF_MEMORY;
  nsCOMPtr<nsIInputStream> stream;
  nsresult rv = NS_NewCStringInputStream(getter_AddRefs(stream),
                                         Substring(buf, size));
  PR_Free(buf);
  NS_ENSURE_SUCCESS(rv, rv);

  nsCOMPtr<nsIObjectInputStream> objstream =
      do_CreateInstance("@mozilla.org/binaryinputstream;1");
  if (!objstream)
    return NS_ERROR_OUT_OF_MEMORY;

  objstream->SetInputStream(stream);
  return objstream->ReadObject(true, obj);
}
Esempio n. 21
0
NS_IMETHODIMP
nsAboutBloat::NewChannel(nsIURI *aURI, nsIChannel **result)
{
    NS_ENSURE_ARG_POINTER(aURI);
    nsresult rv;
    nsAutoCString path;
    rv = aURI->GetPath(path);
    if (NS_FAILED(rv)) return rv;

    nsTraceRefcntImpl::StatisticsType statType = nsTraceRefcntImpl::ALL_STATS;
    bool clear = false;
    bool leaks = false;

    int32_t pos = path.Find("?");
    if (pos > 0) {
        nsAutoCString param;
        (void)path.Right(param, path.Length() - (pos+1));
        if (param.EqualsLiteral("new"))
            statType = nsTraceRefcntImpl::NEW_STATS;
        else if (param.EqualsLiteral("clear"))
            clear = true;
        else if (param.EqualsLiteral("leaks"))
            leaks = true;
    }

    nsCOMPtr<nsIInputStream> inStr;
    if (clear) {
        nsTraceRefcntImpl::ResetStatistics();

        rv = NS_NewCStringInputStream(getter_AddRefs(inStr),
            NS_LITERAL_CSTRING("Bloat statistics cleared."));
        if (NS_FAILED(rv)) return rv;
    }
    else if (leaks) {
        // dump the current set of leaks.
        GC_gcollect();
    	
        rv = NS_NewCStringInputStream(getter_AddRefs(inStr),
            NS_LITERAL_CSTRING("Memory leaks dumped."));
        if (NS_FAILED(rv)) return rv;
    }
    else {
        nsCOMPtr<nsIFile> file;
        rv = NS_GetSpecialDirectory(NS_OS_CURRENT_PROCESS_DIR, 
                                    getter_AddRefs(file));       
        if (NS_FAILED(rv)) return rv;

        rv = file->AppendNative(NS_LITERAL_CSTRING("bloatlogs"));
        if (NS_FAILED(rv)) return rv;

        bool exists;
        rv = file->Exists(&exists);
        if (NS_FAILED(rv)) return rv;

        if (!exists) {
            // On all the platforms that I know use permissions,
            // directories need to have the executable flag set
            // if you want to do anything inside the directory.
            rv = file->Create(nsIFile::DIRECTORY_TYPE, 0755);
            if (NS_FAILED(rv)) return rv;
        }

        nsAutoCString dumpFileName;
        if (statType == nsTraceRefcntImpl::ALL_STATS)
            dumpFileName.AssignLiteral("all-");
        else
            dumpFileName.AssignLiteral("new-");
        PRExplodedTime expTime;
        PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &expTime);
        char time[128];
        PR_FormatTimeUSEnglish(time, 128, "%Y-%m-%d-%H%M%S.txt", &expTime);
        dumpFileName += time;
        rv = file->AppendNative(dumpFileName);
        if (NS_FAILED(rv)) return rv;

        FILE* out;
        rv = file->OpenANSIFileDesc("w", &out);
        if (NS_FAILED(rv)) return rv;

        rv = nsTraceRefcntImpl::DumpStatistics(statType, out);
        ::fclose(out);
        if (NS_FAILED(rv)) return rv;

        rv = NS_NewLocalFileInputStream(getter_AddRefs(inStr), file);
        if (NS_FAILED(rv)) return rv;
    }

    nsIChannel* channel;
    rv = NS_NewInputStreamChannel(&channel, aURI, inStr,
                                  NS_LITERAL_CSTRING("text/plain"),
                                  NS_LITERAL_CSTRING("utf-8"));
    if (NS_FAILED(rv)) return rv;

    *result = channel;
    return rv;
}
Esempio n. 22
0
nsresult
nsIndexedToHTML::FormatInputStream(nsIRequest* aRequest, nsISupports *aContext, const nsAString &aBuffer) 
{
    nsresult rv = NS_OK;

    // set up unicode encoder
    if (!mUnicodeEncoder) {
      nsXPIDLCString encoding;
      rv = mParser->GetEncoding(getter_Copies(encoding));
      if (NS_SUCCEEDED(rv)) {
        nsCOMPtr<nsICharsetConverterManager> charsetConverterManager;
        charsetConverterManager = do_GetService(NS_CHARSETCONVERTERMANAGER_CONTRACTID, &rv);
        rv = charsetConverterManager->GetUnicodeEncoder(encoding.get(), 
                                                          getter_AddRefs(mUnicodeEncoder));
        if (NS_SUCCEEDED(rv))
            rv = mUnicodeEncoder->SetOutputErrorBehavior(nsIUnicodeEncoder::kOnError_Replace, 
                                                       nsnull, (PRUnichar)'?');
      }
    }

    // convert the data with unicode encoder
    char *buffer = nsnull;
    PRInt32 dstLength;
    if (NS_SUCCEEDED(rv)) {
      PRInt32 unicharLength = aBuffer.Length();
      rv = mUnicodeEncoder->GetMaxLength(PromiseFlatString(aBuffer).get(), 
                                         unicharLength, &dstLength);
      if (NS_SUCCEEDED(rv)) {
        buffer = (char *) nsMemory::Alloc(dstLength);
        NS_ENSURE_TRUE(buffer, NS_ERROR_OUT_OF_MEMORY);

        rv = mUnicodeEncoder->Convert(PromiseFlatString(aBuffer).get(), &unicharLength, 
                                      buffer, &dstLength);
        if (NS_SUCCEEDED(rv)) {
          PRInt32 finLen = 0;
          rv = mUnicodeEncoder->Finish(buffer + dstLength, &finLen);
          if (NS_SUCCEEDED(rv))
            dstLength += finLen;
        }
      }
    }

    // if conversion error then fallback to UTF-8
    if (NS_FAILED(rv)) {
      rv = NS_OK;
      if (buffer) {
        nsMemory::Free(buffer);
        buffer = nsnull;
      }
    }

    nsCOMPtr<nsIInputStream> inputData;
    if (buffer) {
      rv = NS_NewCStringInputStream(getter_AddRefs(inputData), Substring(buffer, buffer + dstLength));
      nsMemory::Free(buffer);
      NS_ENSURE_SUCCESS(rv, rv);
      rv = mListener->OnDataAvailable(aRequest, aContext,
                                      inputData, 0, dstLength);
    }
    else {
      NS_ConvertUTF16toUTF8 utf8Buffer(aBuffer);
      rv = NS_NewCStringInputStream(getter_AddRefs(inputData), utf8Buffer);
      NS_ENSURE_SUCCESS(rv, rv);
      rv = mListener->OnDataAvailable(aRequest, aContext,
                                      inputData, 0, utf8Buffer.Length());
    }
    return (rv);
}
Esempio n. 23
0
nsresult
FetchDriver::BasicFetch()
{
  nsAutoCString url;
  mRequest->GetURL(url);
  nsCOMPtr<nsIURI> uri;
  nsresult rv = NS_NewURI(getter_AddRefs(uri),
                 url,
                 nullptr,
                 nullptr);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    FailWithNetworkError();
    return rv;
  }

  nsAutoCString scheme;
  rv = uri->GetScheme(scheme);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    FailWithNetworkError();
    return rv;
  }

  if (scheme.LowerCaseEqualsLiteral("about")) {
    if (url.EqualsLiteral("about:blank")) {
      nsRefPtr<InternalResponse> response =
        new InternalResponse(200, NS_LITERAL_CSTRING("OK"));
      ErrorResult result;
      response->Headers()->Append(NS_LITERAL_CSTRING("content-type"),
                                  NS_LITERAL_CSTRING("text/html;charset=utf-8"),
                                  result);
      MOZ_ASSERT(!result.Failed());
      nsCOMPtr<nsIInputStream> body;
      rv = NS_NewCStringInputStream(getter_AddRefs(body), EmptyCString());
      if (NS_WARN_IF(NS_FAILED(rv))) {
        FailWithNetworkError();
        return rv;
      }

      response->SetBody(body);
      BeginResponse(response);
      return SucceedWithResponse();
    }
    return FailWithNetworkError();
  }

  if (scheme.LowerCaseEqualsLiteral("blob")) {
    nsRefPtr<BlobImpl> blobImpl;
    rv = NS_GetBlobForBlobURI(uri, getter_AddRefs(blobImpl));
    BlobImpl* blob = static_cast<BlobImpl*>(blobImpl.get());
    if (NS_WARN_IF(NS_FAILED(rv))) {
      FailWithNetworkError();
      return rv;
    }

    nsRefPtr<InternalResponse> response = new InternalResponse(200, NS_LITERAL_CSTRING("OK"));
    ErrorResult result;
    uint64_t size = blob->GetSize(result);
    if (NS_WARN_IF(result.Failed())) {
      FailWithNetworkError();
      return result.StealNSResult();
    }

    nsAutoString sizeStr;
    sizeStr.AppendInt(size);
    response->Headers()->Append(NS_LITERAL_CSTRING("Content-Length"), NS_ConvertUTF16toUTF8(sizeStr), result);
    if (NS_WARN_IF(result.Failed())) {
      FailWithNetworkError();
      return result.StealNSResult();
    }

    nsAutoString type;
    blob->GetType(type);
    response->Headers()->Append(NS_LITERAL_CSTRING("Content-Type"), NS_ConvertUTF16toUTF8(type), result);
    if (NS_WARN_IF(result.Failed())) {
      FailWithNetworkError();
      return result.StealNSResult();
    }

    nsCOMPtr<nsIInputStream> stream;
    blob->GetInternalStream(getter_AddRefs(stream), result);
    if (NS_WARN_IF(result.Failed())) {
      FailWithNetworkError();
      return result.StealNSResult();
    }

    response->SetBody(stream);
    BeginResponse(response);
    return SucceedWithResponse();
  }

  if (scheme.LowerCaseEqualsLiteral("data")) {
    nsAutoCString method;
    mRequest->GetMethod(method);
    if (method.LowerCaseEqualsASCII("get")) {
      nsresult rv;
      nsCOMPtr<nsIProtocolHandler> dataHandler =
        do_GetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "data", &rv);

      if (NS_WARN_IF(NS_FAILED(rv))) {
        return FailWithNetworkError();
      }

      nsCOMPtr<nsIChannel> channel;
      rv = dataHandler->NewChannel(uri, getter_AddRefs(channel));
      if (NS_WARN_IF(NS_FAILED(rv))) {
        return FailWithNetworkError();
      }

      nsCOMPtr<nsIInputStream> stream;
      rv = channel->Open(getter_AddRefs(stream));
      if (NS_WARN_IF(NS_FAILED(rv))) {
        return FailWithNetworkError();
      }

      // nsDataChannel will parse the data URI when it is Open()ed and set the
      // correct content type and charset.
      nsAutoCString contentType;
      if (NS_SUCCEEDED(channel->GetContentType(contentType))) {
        nsAutoCString charset;
        if (NS_SUCCEEDED(channel->GetContentCharset(charset)) && !charset.IsEmpty()) {
          contentType.AppendLiteral(";charset=");
          contentType.Append(charset);
        }
      } else {
        NS_WARNING("Could not get content type from data channel");
      }

      nsRefPtr<InternalResponse> response = new InternalResponse(200, NS_LITERAL_CSTRING("OK"));
      ErrorResult result;
      response->Headers()->Append(NS_LITERAL_CSTRING("Content-Type"), contentType, result);
      if (NS_WARN_IF(result.Failed())) {
        FailWithNetworkError();
        return result.StealNSResult();
      }

      response->SetBody(stream);
      BeginResponse(response);
      return SucceedWithResponse();
    }

    return FailWithNetworkError();
  }

  if (scheme.LowerCaseEqualsLiteral("http") ||
      scheme.LowerCaseEqualsLiteral("https") ||
      scheme.LowerCaseEqualsLiteral("app")) {
    return HttpFetch();
  }

  return FailWithNetworkError();
}
Esempio n. 24
0
// nsIStreamListener implementation
NS_IMETHODIMP
nsFTPDirListingConv::OnDataAvailable(nsIRequest* request, nsISupports *ctxt,
                                  nsIInputStream *inStr, uint32_t sourceOffset, uint32_t count) {
    NS_ASSERTION(request, "FTP dir listing stream converter needs a request");
    
    nsresult rv;

    nsCOMPtr<nsIChannel> channel = do_QueryInterface(request, &rv);
    NS_ENSURE_SUCCESS(rv, rv);
    
    uint32_t read, streamLen;

    uint64_t streamLen64;
    rv = inStr->Available(&streamLen64);
    NS_ENSURE_SUCCESS(rv, rv);
    streamLen = (uint32_t)NS_MIN(streamLen64, uint64_t(PR_UINT32_MAX - 1));

    nsAutoArrayPtr<char> buffer(new char[streamLen + 1]);
    NS_ENSURE_TRUE(buffer, NS_ERROR_OUT_OF_MEMORY);

    rv = inStr->Read(buffer, streamLen, &read);
    NS_ENSURE_SUCCESS(rv, rv);

    // the dir listings are ascii text, null terminate this sucker.
    buffer[streamLen] = '\0';

    PR_LOG(gFTPDirListConvLog, PR_LOG_DEBUG, ("nsFTPDirListingConv::OnData(request = %x, ctxt = %x, inStr = %x, sourceOffset = %d, count = %d)\n", request, ctxt, inStr, sourceOffset, count));

    if (!mBuffer.IsEmpty()) {
        // we have data left over from a previous OnDataAvailable() call.
        // combine the buffers so we don't lose any data.
        mBuffer.Append(buffer);

        buffer = new char[mBuffer.Length()+1];
        NS_ENSURE_TRUE(buffer, NS_ERROR_OUT_OF_MEMORY);

        strncpy(buffer, mBuffer.get(), mBuffer.Length()+1);
        mBuffer.Truncate();
    }

#ifndef DEBUG_dougt
    PR_LOG(gFTPDirListConvLog, PR_LOG_DEBUG, ("::OnData() received the following %d bytes...\n\n%s\n\n", streamLen, buffer.get()) );
#else
    printf("::OnData() received the following %d bytes...\n\n%s\n\n", streamLen, buffer);
#endif // DEBUG_dougt

    nsCAutoString indexFormat;
    if (!mSentHeading) {
        // build up the 300: line
        nsCOMPtr<nsIURI> uri;
        rv = channel->GetURI(getter_AddRefs(uri));
        NS_ENSURE_SUCCESS(rv, rv);

        rv = GetHeaders(indexFormat, uri);
        NS_ENSURE_SUCCESS(rv, rv);

        mSentHeading = true;
    }

    char *line = buffer;
    line = DigestBufferLines(line, indexFormat);

#ifndef DEBUG_dougt
    PR_LOG(gFTPDirListConvLog, PR_LOG_DEBUG, ("::OnData() sending the following %d bytes...\n\n%s\n\n", 
        indexFormat.Length(), indexFormat.get()) );
#else
    char *unescData = ToNewCString(indexFormat);
    NS_ENSURE_TRUE(unescData, NS_ERROR_OUT_OF_MEMORY);
    
    nsUnescape(unescData);
    printf("::OnData() sending the following %d bytes...\n\n%s\n\n", indexFormat.Length(), unescData);
    nsMemory::Free(unescData);
#endif // DEBUG_dougt

    // if there's any data left over, buffer it.
    if (line && *line) {
        mBuffer.Append(line);
        PR_LOG(gFTPDirListConvLog, PR_LOG_DEBUG, ("::OnData() buffering the following %d bytes...\n\n%s\n\n",
            PL_strlen(line), line) );
    }

    // send the converted data out.
    nsCOMPtr<nsIInputStream> inputData;

    rv = NS_NewCStringInputStream(getter_AddRefs(inputData), indexFormat);
    NS_ENSURE_SUCCESS(rv, rv);

    rv = mFinalListener->OnDataAvailable(request, ctxt, inputData, 0, indexFormat.Length());

    return rv;
}
Esempio n. 25
0
void
BlobImplString::GetInternalStream(nsIInputStream** aStream, ErrorResult& aRv)
{
  aRv = NS_NewCStringInputStream(aStream, mData);
}
Esempio n. 26
0
nsresult
FetchDriver::BasicFetch()
{
  nsAutoCString url;
  mRequest->GetURL(url);
  nsCOMPtr<nsIURI> uri;
  nsresult rv = NS_NewURI(getter_AddRefs(uri),
                 url,
                 nullptr,
                 nullptr);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    FailWithNetworkError();
    return rv;
  }

  nsAutoCString scheme;
  rv = uri->GetScheme(scheme);
  if (NS_WARN_IF(NS_FAILED(rv))) {
    FailWithNetworkError();
    return rv;
  }

  if (scheme.LowerCaseEqualsLiteral("about")) {
    if (url.EqualsLiteral("about:blank")) {
      nsRefPtr<InternalResponse> response =
        new InternalResponse(200, NS_LITERAL_CSTRING("OK"));
      ErrorResult result;
      response->Headers()->Append(NS_LITERAL_CSTRING("content-type"),
                                  NS_LITERAL_CSTRING("text/html;charset=utf-8"),
                                  result);
      MOZ_ASSERT(!result.Failed());
      nsCOMPtr<nsIInputStream> body;
      rv = NS_NewCStringInputStream(getter_AddRefs(body), EmptyCString());
      if (NS_WARN_IF(NS_FAILED(rv))) {
        FailWithNetworkError();
        return rv;
      }

      response->SetBody(body);
      BeginResponse(response);
      return SucceedWithResponse();
    }
    return FailWithNetworkError();
  }

  if (scheme.LowerCaseEqualsLiteral("blob")) {
    nsRefPtr<BlobImpl> blobImpl;
    rv = NS_GetBlobForBlobURI(uri, getter_AddRefs(blobImpl));
    BlobImpl* blob = static_cast<BlobImpl*>(blobImpl.get());
    if (NS_WARN_IF(NS_FAILED(rv))) {
      FailWithNetworkError();
      return rv;
    }

    nsRefPtr<InternalResponse> response = new InternalResponse(200, NS_LITERAL_CSTRING("OK"));
    ErrorResult result;
    uint64_t size = blob->GetSize(result);
    if (NS_WARN_IF(result.Failed())) {
      FailWithNetworkError();
      return result.StealNSResult();
    }

    nsAutoString sizeStr;
    sizeStr.AppendInt(size);
    response->Headers()->Append(NS_LITERAL_CSTRING("Content-Length"), NS_ConvertUTF16toUTF8(sizeStr), result);
    if (NS_WARN_IF(result.Failed())) {
      FailWithNetworkError();
      return result.StealNSResult();
    }

    nsAutoString type;
    blob->GetType(type);
    response->Headers()->Append(NS_LITERAL_CSTRING("Content-Type"), NS_ConvertUTF16toUTF8(type), result);
    if (NS_WARN_IF(result.Failed())) {
      FailWithNetworkError();
      return result.StealNSResult();
    }

    nsCOMPtr<nsIInputStream> stream;
    blob->GetInternalStream(getter_AddRefs(stream), result);
    if (NS_WARN_IF(result.Failed())) {
      FailWithNetworkError();
      return result.StealNSResult();
    }

    response->SetBody(stream);
    BeginResponse(response);
    return SucceedWithResponse();
  }

  if (scheme.LowerCaseEqualsLiteral("data")) {
    nsAutoCString method;
    mRequest->GetMethod(method);
    if (method.LowerCaseEqualsASCII("get")) {
      // Use nsDataHandler directly so that we can extract the content type.
      // XXX(nsm): Is there a way to acquire the charset without such tight
      // coupling with the DataHandler? nsIProtocolHandler does not provide
      // anything similar.
      nsAutoCString contentType, contentCharset, dataBuffer, hashRef;
      bool isBase64;
      rv = nsDataHandler::ParseURI(url,
                                   contentType,
                                   contentCharset,
                                   isBase64,
                                   dataBuffer,
                                   hashRef);
      if (NS_SUCCEEDED(rv)) {
        ErrorResult result;
        nsRefPtr<InternalResponse> response = new InternalResponse(200, NS_LITERAL_CSTRING("OK"));
        if (!contentCharset.IsEmpty()) {
          contentType.Append(";charset=");
          contentType.Append(contentCharset);
        }

        response->Headers()->Append(NS_LITERAL_CSTRING("Content-Type"), contentType, result);
        if (!result.Failed()) {
          nsCOMPtr<nsIInputStream> stream;
          rv = NS_NewCStringInputStream(getter_AddRefs(stream), dataBuffer);
          if (NS_SUCCEEDED(rv)) {
            response->SetBody(stream);
            BeginResponse(response);
            return SucceedWithResponse();
          }
        }
      }
    }

    return FailWithNetworkError();
  }

  if (scheme.LowerCaseEqualsLiteral("http") ||
      scheme.LowerCaseEqualsLiteral("https") ||
      scheme.LowerCaseEqualsLiteral("app")) {
    return HttpFetch();
  }

  return FailWithNetworkError();
}
  NS_DECL_THREADSAFE_ISUPPORTS

  explicit NonSeekableStringStream(const nsACString& aBuffer)
  {
    NS_NewCStringInputStream(getter_AddRefs(mStream), aBuffer);
  }