コード例 #1
0
void nsMediaFragmentURIParser::Parse(nsACString& aRef)
{
  // Create an array of possibly-invalid media fragments.
  nsTArray< std::pair<nsCString, nsCString> > fragments;
  nsCCharSeparatedTokenizer tokenizer(aRef, '&');

  while (tokenizer.hasMoreTokens()) {
    const nsCSubstring& nv = tokenizer.nextToken();
    int32_t index = nv.FindChar('=');
    if (index >= 0) {
      nsAutoCString name;
      nsAutoCString value;
      NS_UnescapeURL(StringHead(nv, index), esc_Ref | esc_AlwaysCopy, name);
      NS_UnescapeURL(Substring(nv, index + 1, nv.Length()),
                     esc_Ref | esc_AlwaysCopy, value);
      fragments.AppendElement(make_pair(name, value));
    }
  }

  // Parse the media fragment values.
  bool gotTemporal = false, gotSpatial = false;
  for (int i = fragments.Length() - 1 ; i >= 0 ; --i) {
    if (gotTemporal && gotSpatial) {
      // We've got one of each possible type. No need to look at the rest.
      break;
    } else if (!gotTemporal && fragments[i].first.EqualsLiteral("t")) {
      nsAutoString value = NS_ConvertUTF8toUTF16(fragments[i].second);
      gotTemporal = ParseNPT(nsDependentSubstring(value, 0));
    } else if (!gotSpatial && fragments[i].first.EqualsLiteral("xywh")) {
      nsAutoString value = NS_ConvertUTF8toUTF16(fragments[i].second);
      gotSpatial = ParseXYWH(nsDependentSubstring(value, 0));
    }
  }
}
コード例 #2
0
void
nsHttpChannelAuthProvider::GetIdentityFromURI(uint32_t            authFlags,
                                              nsHttpAuthIdentity &ident)
{
    LOG(("nsHttpChannelAuthProvider::GetIdentityFromURI [this=%p channel=%p]\n",
        this, mAuthChannel));

    nsAutoString userBuf;
    nsAutoString passBuf;

    // XXX i18n
    nsCAutoString buf;
    mURI->GetUsername(buf);
    if (!buf.IsEmpty()) {
        NS_UnescapeURL(buf);
        CopyASCIItoUTF16(buf, userBuf);
        mURI->GetPassword(buf);
        if (!buf.IsEmpty()) {
            NS_UnescapeURL(buf);
            CopyASCIItoUTF16(buf, passBuf);
        }
    }

    if (!userBuf.IsEmpty()) {
        SetIdent(ident, authFlags, (PRUnichar *) userBuf.get(),
                 (PRUnichar *) passBuf.get());
    }
}
コード例 #3
0
NS_IMETHODIMP
nsFtpProtocolHandler::NewURI(const nsACString &aSpec,
                             const char *aCharset,
                             nsIURI *aBaseURI,
                             nsIURI **result)
{
    nsCAutoString spec(aSpec);
    char *fwdPtr = spec.BeginWriting();

    // now unescape it... %xx reduced inline to resulting character

    PRInt32 len = NS_UnescapeURL(fwdPtr);

    // NS_UnescapeURL() modified spec's buffer, truncate to ensure
    // spec knows its new length.
    spec.Truncate(len);

    // return an error if we find a NUL, CR, or LF in the path
    if (spec.FindCharInSet(CRLF) >= 0 || spec.FindChar('\0') >= 0)
        return NS_ERROR_MALFORMED_URI;

    nsresult rv;
    nsCOMPtr<nsIStandardURL> url = do_CreateInstance(NS_STANDARDURL_CONTRACTID, &rv);
    if (NS_FAILED(rv)) return rv;

    rv = url->Init(nsIStandardURL::URLTYPE_AUTHORITY, 21, aSpec, aCharset, aBaseURI);
    if (NS_FAILED(rv)) return rv;

    return CallQueryInterface(url, result);
}
コード例 #4
0
NS_IMETHODIMP  
nsUTF8ConverterService::ConvertURISpecToUTF8(const nsACString &aSpec, 
                                             const char *aCharset, 
                                             nsACString &aUTF8Spec)
{
  // assume UTF-8 if the spec contains unescaped non-ASCII characters.
  // No valid spec in Mozilla would break this assumption.
  if (!IsASCII(aSpec)) {
    aUTF8Spec = aSpec;
    return NS_OK;
  }

  aUTF8Spec.Truncate();

  nsAutoCString unescapedSpec; 
  // NS_UnescapeURL does not fill up unescapedSpec unless there's at least 
  // one character to unescape.
  bool written = NS_UnescapeURL(PromiseFlatCString(aSpec).get(), aSpec.Length(), 
                                  esc_OnlyNonASCII, unescapedSpec);

  if (!written) {
    aUTF8Spec = aSpec;
    return NS_OK;
  }
  // return if ASCII only or escaped UTF-8
  if (IsASCII(unescapedSpec) || IsUTF8(unescapedSpec)) {
    aUTF8Spec = unescapedSpec;
    return NS_OK;
  }

  return ToUTF8(unescapedSpec, aCharset, true, aUTF8Spec);
}
コード例 #5
0
nsresult
nsUrlClassifierUtils::CanonicalizeHostname(const nsACString & hostname,
                                           nsACString & _retval)
{
  nsAutoCString unescaped;
  if (!NS_UnescapeURL(PromiseFlatCString(hostname).get(),
                      PromiseFlatCString(hostname).Length(),
                      0, unescaped)) {
    unescaped.Assign(hostname);
  }

  nsAutoCString cleaned;
  CleanupHostname(unescaped, cleaned);

  nsAutoCString temp;
  ParseIPAddress(cleaned, temp);
  if (!temp.IsEmpty()) {
    cleaned.Assign(temp);
  }

  ToLowerCase(cleaned);
  SpecialEncode(cleaned, false, _retval);

  return NS_OK;
}
コード例 #6
0
nsresult
SubstitutingProtocolHandler::ResolveURI(nsIURI *uri, nsACString &result)
{
  nsresult rv;

  nsAutoCString host;
  nsAutoCString path;

  rv = uri->GetAsciiHost(host);
  if (NS_FAILED(rv)) return rv;

  rv = uri->GetPath(path);
  if (NS_FAILED(rv)) return rv;

  if (ResolveSpecialCases(host, path, result)) {
    return NS_OK;
  }

  nsCOMPtr<nsIURI> baseURI;
  rv = GetSubstitution(host, getter_AddRefs(baseURI));
  if (NS_FAILED(rv)) return rv;

  // Unescape the path so we can perform some checks on it.
  nsCOMPtr<nsIURL> url = do_QueryInterface(uri);
  if (!url) {
    return NS_ERROR_MALFORMED_URI;
  }

  nsAutoCString unescapedPath;
  rv = url->GetFilePath(unescapedPath);
  if (NS_FAILED(rv)) return rv;

  NS_UnescapeURL(unescapedPath);
  if (unescapedPath.FindChar('\\') != -1) {
    return NS_ERROR_MALFORMED_URI;
  }

  // Some code relies on an empty path resolving to a file rather than a
  // directory.
  NS_ASSERTION(path.CharAt(0) == '/', "Path must begin with '/'");
  if (path.Length() == 1) {
    rv = baseURI->GetSpec(result);
  } else {
    // Make sure we always resolve the path as file-relative to our target URI.
    path.InsertLiteral(".", 0);

    rv = baseURI->Resolve(path, result);
  }

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

  if (MOZ_LOG_TEST(gResLog, LogLevel::Debug)) {
    nsAutoCString spec;
    uri->GetAsciiSpec(spec);
    MOZ_LOG(gResLog, LogLevel::Debug, ("%s\n -> %s\n", spec.get(), PromiseFlatCString(result).get()));
  }
  return rv;
}
コード例 #7
0
void TestUnescapeHelper(const char* in, const char* expected)
{
  nsCString out, strIn(in), strExp(expected);
  nsUrlClassifierUtils utils;
  
  NS_UnescapeURL(strIn.get(), strIn.Length(), esc_AlwaysCopy, out);
  CheckEquals(strExp, out);
}
コード例 #8
0
NS_IMETHODIMP
Location::GetHash(nsAString& aHash)
{
  aHash.SetLength(0);

  nsCOMPtr<nsIURI> uri;
  nsresult rv = GetURI(getter_AddRefs(uri));
  if (NS_FAILED(rv) || !uri) {
    return rv;
  }

  nsAutoCString ref;
  nsAutoString unicodeRef;

  rv = uri->GetRef(ref);

  if (nsContentUtils::GettersDecodeURLHash()) {
    if (NS_SUCCEEDED(rv)) {
      nsCOMPtr<nsITextToSubURI> textToSubURI(
          do_GetService(NS_ITEXTTOSUBURI_CONTRACTID, &rv));

      if (NS_SUCCEEDED(rv)) {
        nsAutoCString charset;
        uri->GetOriginCharset(charset);

        rv = textToSubURI->UnEscapeURIForUI(charset, ref, unicodeRef);
      }

      if (NS_FAILED(rv)) {
        // Oh, well.  No intl here!
        NS_UnescapeURL(ref);
        CopyASCIItoUTF16(ref, unicodeRef);
        rv = NS_OK;
      }
    }

    if (NS_SUCCEEDED(rv) && !unicodeRef.IsEmpty()) {
      aHash.Assign(char16_t('#'));
      aHash.Append(unicodeRef);
    }
  } else { // URL Hash should simply return the value of the Ref segment
    if (NS_SUCCEEDED(rv) && !ref.IsEmpty()) {
      aHash.Assign(char16_t('#'));
      AppendUTF8toUTF16(ref, aHash);
    }
  }

  if (aHash == mCachedHash) {
    // Work around ShareThis stupidly polling location.hash every
    // 5ms all the time by handing out the same exact string buffer
    // we handed out last time.
    aHash = mCachedHash;
  } else {
    mCachedHash = aHash;
  }

  return rv;
}
コード例 #9
0
NS_IMETHODIMP 
nsIOService::UnescapeString(const nsACString &aStr, 
                            uint32_t aFlags, nsACString &aResult)
{
  aResult.Truncate();
  NS_UnescapeURL(aStr.BeginReading(), aStr.Length(), 
                 aFlags | esc_AlwaysCopy, aResult);
  return NS_OK;
}
コード例 #10
0
void nsMediaFragmentURIParser::Parse()
{
  nsCCharSeparatedTokenizer tokenizer(mHash, '&');
  while (tokenizer.hasMoreTokens()) {
    const nsCSubstring& nv = tokenizer.nextToken();
    PRInt32 index = nv.FindChar('=');
    if (index >= 0) {
      nsCAutoString name;
      nsCAutoString value;
      NS_UnescapeURL(StringHead(nv, index), esc_Ref | esc_AlwaysCopy, name);
      NS_UnescapeURL(Substring(nv, index + 1, nv.Length()),
                     esc_Ref | esc_AlwaysCopy, value);
      nsAutoString a = NS_ConvertUTF8toUTF16(name);
      nsAutoString b = NS_ConvertUTF8toUTF16(value);
      mFragments.AppendElement(Pair(a, b));
    }
  }
}
コード例 #11
0
// Make sure Unescape from nsEncode.h's unescape does what the server does.
void TestUnescape()
{
  // test empty string
  TestUnescapeHelper("\0", "\0");

  // Test docoding of all characters.
  nsCString allCharsEncoded, allCharsEncodedLowercase, allCharsAsString;
  for (PRInt32 i = 1; i < 256; ++i) {
    allCharsEncoded.Append('%');
    allCharsEncoded.Append(int_to_hex_digit(i / 16));
    allCharsEncoded.Append((int_to_hex_digit(i % 16)));
    
    allCharsEncodedLowercase.Append('%');
    allCharsEncodedLowercase.Append(tolower(int_to_hex_digit(i / 16)));
    allCharsEncodedLowercase.Append(tolower(int_to_hex_digit(i % 16)));
    
    allCharsAsString.Append(static_cast<char>(i));
  }
  
  nsUrlClassifierUtils utils;
  nsCString out;
  NS_UnescapeURL(allCharsEncoded.get(), allCharsEncoded.Length(), esc_AlwaysCopy, out);
  CheckEquals(allCharsAsString, out);
  
  out.Truncate();
  NS_UnescapeURL(allCharsEncodedLowercase.get(), allCharsEncodedLowercase.Length(), esc_AlwaysCopy, out);
  CheckEquals(allCharsAsString, out);

  // Test %-related edge cases
  TestUnescapeHelper("%", "%");
  TestUnescapeHelper("%xx", "%xx");
  TestUnescapeHelper("%%", "%%");
  TestUnescapeHelper("%%%", "%%%");
  TestUnescapeHelper("%%%%", "%%%%");
  TestUnescapeHelper("%1", "%1");
  TestUnescapeHelper("%1z", "%1z");
  TestUnescapeHelper("a%1z", "a%1z");
  TestUnescapeHelper("abc%d%e%fg%hij%klmno%", "abc%d%e%fg%hij%klmno%");

  // A few more tests
  TestUnescapeHelper("%25", "%");
  TestUnescapeHelper("%25%32%35", "%25");
}
コード例 #12
0
ファイル: nsLocation.cpp プロジェクト: Ajunboys/mozilla-os2
NS_IMETHODIMP
nsLocation::GetHash(nsAString& aHash)
{
  if (!CallerSubsumes())
    return NS_ERROR_DOM_SECURITY_ERR;

  aHash.SetLength(0);

  nsCOMPtr<nsIURI> uri;
  nsresult rv = GetURI(getter_AddRefs(uri));
  if (NS_FAILED(rv) || !uri) {
    return rv;
  }

  nsCAutoString ref;
  nsAutoString unicodeRef;

  rv = uri->GetRef(ref);
  if (NS_SUCCEEDED(rv)) {
    nsCOMPtr<nsITextToSubURI> textToSubURI(
        do_GetService(NS_ITEXTTOSUBURI_CONTRACTID, &rv));

    if (NS_SUCCEEDED(rv)) {
      nsCAutoString charset;
      uri->GetOriginCharset(charset);
        
      rv = textToSubURI->UnEscapeURIForUI(charset, ref, unicodeRef);
    }
      
    if (NS_FAILED(rv)) {
      // Oh, well.  No intl here!
      NS_UnescapeURL(ref);
      CopyASCIItoUTF16(ref, unicodeRef);
      rv = NS_OK;
    }
  }

  if (NS_SUCCEEDED(rv) && !unicodeRef.IsEmpty()) {
    aHash.Assign(PRUnichar('#'));
    aHash.Append(unicodeRef);
  }

  if (aHash == mCachedHash) {
    // Work around ShareThis stupidly polling location.hash every
    // 5ms all the time by handing out the same exact string buffer
    // we handed out last time.
    aHash = mCachedHash;
  } else {
    mCachedHash = aHash;
  }

  return rv;
}
コード例 #13
0
nsresult
net_GetFileFromURLSpec(const nsACString &aURL, nsIFile **result)
{
    // NOTE: See also the implementation in nsURLHelperOSX.cpp,
    // which is based on this.

    nsresult rv;

    nsCOMPtr<nsILocalFile> localFile;
    rv = NS_NewNativeLocalFile(EmptyCString(), PR_TRUE, getter_AddRefs(localFile));
    if (NS_FAILED(rv))
      return rv;
    
    nsCAutoString directory, fileBaseName, fileExtension, path;

    rv = net_ParseFileURL(aURL, directory, fileBaseName, fileExtension);
    if (NS_FAILED(rv)) return rv;

    if (!directory.IsEmpty())
        NS_EscapeURL(directory, esc_Directory|esc_AlwaysCopy, path);
    if (!fileBaseName.IsEmpty())
        NS_EscapeURL(fileBaseName, esc_FileBaseName|esc_AlwaysCopy, path);
    if (!fileExtension.IsEmpty()) {
        path += '.';
        NS_EscapeURL(fileExtension, esc_FileExtension|esc_AlwaysCopy, path);
    }
    
    NS_UnescapeURL(path);
    if (path.Length() != strlen(path.get()))
        return NS_ERROR_FILE_INVALID_PATH;

    if (IsUTF8(path)) {
        // speed up the start-up where UTF-8 is the native charset
        // (e.g. on recent Linux distributions)
        if (NS_IsNativeUTF8())
            rv = localFile->InitWithNativePath(path);
        else
            rv = localFile->InitWithPath(NS_ConvertUTF8toUTF16(path));
            // XXX In rare cases, a valid UTF-8 string can be valid as a native 
            // encoding (e.g. 0xC5 0x83 is valid both as UTF-8 and Windows-125x).
            // However, the chance is very low that a meaningful word in a legacy
            // encoding is valid as UTF-8.
    }
    else 
        // if path is not in UTF-8, assume it is encoded in the native charset
        rv = localFile->InitWithNativePath(path);

    if (NS_FAILED(rv)) return rv;

    NS_ADDREF(*result = localFile);
    return NS_OK;
}
コード例 #14
0
ファイル: URL.cpp プロジェクト: JaminLiu/gecko-dev
void
URL::GetHash(nsString& aHash) const
{
  aHash.Truncate();

  nsAutoCString ref;
  nsresult rv = mURI->GetRef(ref);
  if (NS_SUCCEEDED(rv) && !ref.IsEmpty()) {
    NS_UnescapeURL(ref); // XXX may result in random non-ASCII bytes!
    aHash.Assign(PRUnichar('#'));
    AppendUTF8toUTF16(ref, aHash);
  }
}
コード例 #15
0
NS_IMETHODIMP
nsResProtocolHandler::ResolveURI(nsIURI *uri, nsACString &result)
{
    nsresult rv;

    nsCOMPtr<nsIURL> url(do_QueryInterface(uri));
    if (!url)
        return NS_NOINTERFACE;

    nsCAutoString host;
    nsCAutoString path;

    rv = uri->GetAsciiHost(host);
    if (NS_FAILED(rv)) return rv;

    rv = uri->GetPath(path);
    if (NS_FAILED(rv)) return rv;

    nsCAutoString filepath;
    url->GetFilePath(filepath);

    // Don't misinterpret the filepath as an absolute URI.
    if (filepath.FindChar(':') != -1)
        return NS_ERROR_MALFORMED_URI;

    NS_UnescapeURL(filepath);
    if (filepath.FindChar('\\') != -1)
        return NS_ERROR_MALFORMED_URI;

    const char *p = path.get() + 1; // path always starts with a slash
    NS_ASSERTION(*(p-1) == '/', "Path did not begin with a slash!");

    if (*p == '/')
        return NS_ERROR_MALFORMED_URI;

    nsCOMPtr<nsIURI> baseURI;
    rv = GetSubstitution(host, getter_AddRefs(baseURI));
    if (NS_FAILED(rv)) return rv;

    rv = baseURI->Resolve(nsDependentCString(p, path.Length()-1), result);

#if defined(PR_LOGGING)
    if (PR_LOG_TEST(gResLog, PR_LOG_DEBUG)) {
        nsCAutoString spec;
        uri->GetAsciiSpec(spec);
        LOG(("%s\n -> %s\n", spec.get(), PromiseFlatCString(result).get()));
    }
#endif
    return rv;
}
コード例 #16
0
ファイル: nsJARChannel.cpp プロジェクト: lofter2011/Icefox
nsresult
nsJARChannel::EnsureJarInput(PRBool blocking)
{
    LOG(("nsJARChannel::EnsureJarInput [this=%x %s]\n", this, mSpec.get()));

    nsresult rv;
    nsCOMPtr<nsIURI> uri;

    rv = mJarURI->GetJARFile(getter_AddRefs(mJarBaseURI));
    if (NS_FAILED(rv)) return rv;

    rv = mJarURI->GetJAREntry(mJarEntry);
    if (NS_FAILED(rv)) return rv;

    // The name of the JAR entry must not contain URL-escaped characters:
    // we're moving from URL domain to a filename domain here. nsStandardURL
    // does basic escaping by default, which breaks reading zipped files which
    // have e.g. spaces in their filenames.
    NS_UnescapeURL(mJarEntry);

    // try to get a nsIFile directly from the url, which will often succeed.
    {
        nsCOMPtr<nsIFileURL> fileURL = do_QueryInterface(mJarBaseURI);
        if (fileURL)
            fileURL->GetFile(getter_AddRefs(mJarFile));
    }

    if (mJarFile) {
        mIsUnsafe = PR_FALSE;

        // NOTE: we do not need to deal with mSecurityInfo here,
        // because we're loading from a local file
        rv = CreateJarInput(gJarHandler->JarCache());
    }
    else if (blocking) {
        NS_NOTREACHED("need sync downloader");
        rv = NS_ERROR_NOT_IMPLEMENTED;
    }
    else {
        // kick off an async download of the base URI...
        rv = NS_NewDownloader(getter_AddRefs(mDownloader), this);
        if (NS_SUCCEEDED(rv))
            rv = NS_OpenURI(mDownloader, nsnull, mJarBaseURI, nsnull,
                            mLoadGroup, mCallbacks,
                            mLoadFlags & ~(LOAD_DOCUMENT_URI | LOAD_CALL_CONTENT_SNIFFERS));
    }
    return rv;

}
コード例 #17
0
ファイル: URL.cpp プロジェクト: cstipkovic/gecko-dev
void
URLMainThread::GetHash(nsAString& aHash, ErrorResult& aRv) const
{
  aHash.Truncate();

  nsAutoCString ref;
  nsresult rv = mURI->GetRef(ref);
  if (NS_SUCCEEDED(rv) && !ref.IsEmpty()) {
    aHash.Assign(char16_t('#'));
    if (nsContentUtils::GettersDecodeURLHash()) {
      NS_UnescapeURL(ref); // XXX may result in random non-ASCII bytes!
    }
    AppendUTF8toUTF16(ref, aHash);
  }
}
コード例 #18
0
nsresult
SubstitutingProtocolHandler::ResolveURI(nsIURI *uri, nsACString &result)
{
  nsresult rv;

  nsAutoCString host;
  nsAutoCString path;

  rv = uri->GetAsciiHost(host);
  if (NS_FAILED(rv)) return rv;

  rv = uri->GetPath(path);
  if (NS_FAILED(rv)) return rv;

  if (ResolveSpecialCases(host, path, result)) {
    return NS_OK;
  }

  // Unescape the path so we can perform some checks on it.
  nsAutoCString unescapedPath(path);
  NS_UnescapeURL(unescapedPath);

  // Don't misinterpret the filepath as an absolute URI.
  if (unescapedPath.FindChar(':') != -1)
    return NS_ERROR_MALFORMED_URI;

  if (unescapedPath.FindChar('\\') != -1)
    return NS_ERROR_MALFORMED_URI;

  const char *p = path.get() + 1; // path always starts with a slash
  NS_ASSERTION(*(p-1) == '/', "Path did not begin with a slash!");

  if (*p == '/')
    return NS_ERROR_MALFORMED_URI;

  nsCOMPtr<nsIURI> baseURI;
  rv = GetSubstitution(host, getter_AddRefs(baseURI));
  if (NS_FAILED(rv)) return rv;

  rv = baseURI->Resolve(nsDependentCString(p, path.Length()-1), result);

  if (MOZ_LOG_TEST(gResLog, LogLevel::Debug)) {
    nsAutoCString spec;
    uri->GetAsciiSpec(spec);
    MOZ_LOG(gResLog, LogLevel::Debug, ("%s\n -> %s\n", spec.get(), PromiseFlatCString(result).get()));
  }
  return rv;
}
コード例 #19
0
static bool pathBeginsWithVolName(const nsACString& path, nsACString& firstPathComponent)
{
  // Return whether the 1st path component in path (escaped) is equal to the name
  // of a mounted volume. Return the 1st path component (unescaped) in any case.
  // This needs to be done as quickly as possible, so we cache a list of volume names.
  // XXX Register an event handler to detect drives being mounted/unmounted?
  
  if (!gVolumeList) {
    gVolumeList = new nsTArray<nsCString>;
    if (!gVolumeList) {
      return false; // out of memory
    }
  }

  // Cache a list of volume names
  if (!gVolumeList->Length()) {
    OSErr err;
    ItemCount volumeIndex = 1;
    
    do {
      HFSUniStr255 volName;
      FSRef rootDirectory;
      err = ::FSGetVolumeInfo(0, volumeIndex, NULL, kFSVolInfoNone, NULL, &volName, &rootDirectory);
      if (err == noErr) {
        NS_ConvertUTF16toUTF8 volNameStr(Substring((PRUnichar *)volName.unicode,
                                                   (PRUnichar *)volName.unicode + volName.length));
        gVolumeList->AppendElement(volNameStr);
        volumeIndex++;
      }
    } while (err == noErr);
  }
  
  // Extract the first component of the path
  nsACString::const_iterator start;
  path.BeginReading(start);
  start.advance(1); // path begins with '/'
  nsACString::const_iterator directory_end;
  path.EndReading(directory_end);
  nsACString::const_iterator component_end(start);
  FindCharInReadable('/', component_end, directory_end);
  
  nsCAutoString flatComponent((Substring(start, component_end)));
  NS_UnescapeURL(flatComponent);
  PRInt32 foundIndex = gVolumeList->IndexOf(flatComponent);
  firstPathComponent = flatComponent;
  return (foundIndex != -1);
}
コード例 #20
0
//
// FindURLFromNativeURL
//
// we are looking for a URL and couldn't find it using our internal
// URL flavor, so look for it using the native URL flavor,
// CF_INETURLSTRW (We don't handle CF_INETURLSTRA currently)
//
bool
nsClipboard :: FindURLFromNativeURL ( IDataObject* inDataObject, UINT inIndex, void** outData, PRUint32* outDataLen )
{
  bool dataFound = false;

  void* tempOutData = nullptr;
  PRUint32 tempDataLen = 0;

  nsresult loadResult = GetNativeDataOffClipboard(inDataObject, inIndex, ::RegisterClipboardFormat(CFSTR_INETURLW), nullptr, &tempOutData, &tempDataLen);
  if ( NS_SUCCEEDED(loadResult) && tempOutData ) {
    nsDependentString urlString(static_cast<PRUnichar*>(tempOutData));
    // the internal mozilla URL format, text/x-moz-url, contains
    // URL\ntitle.  Since we don't actually have a title here,
    // just repeat the URL to fake it.
    *outData = ToNewUnicode(urlString + NS_LITERAL_STRING("\n") + urlString);
    *outDataLen = NS_strlen(static_cast<PRUnichar*>(*outData)) * sizeof(PRUnichar);
    nsMemory::Free(tempOutData);
    dataFound = true;
  }
  else {
    loadResult = GetNativeDataOffClipboard(inDataObject, inIndex, ::RegisterClipboardFormat(CFSTR_INETURLA), nullptr, &tempOutData, &tempDataLen);
    if ( NS_SUCCEEDED(loadResult) && tempOutData ) {
      // CFSTR_INETURLA is (currently) equal to CFSTR_SHELLURL which is equal to CF_TEXT
      // which is by definition ANSI encoded.
      nsCString urlUnescapedA;
      bool unescaped = NS_UnescapeURL(static_cast<char*>(tempOutData), tempDataLen, esc_OnlyNonASCII | esc_SkipControl, urlUnescapedA);

      nsString urlString;
      if (unescaped)
        NS_CopyNativeToUnicode(urlUnescapedA, urlString);
      else
        NS_CopyNativeToUnicode(nsDependentCString(static_cast<char*>(tempOutData), tempDataLen), urlString);

      // the internal mozilla URL format, text/x-moz-url, contains
      // URL\ntitle.  Since we don't actually have a title here,
      // just repeat the URL to fake it.
      *outData = ToNewUnicode(urlString + NS_LITERAL_STRING("\n") + urlString);
      *outDataLen = NS_strlen(static_cast<PRUnichar*>(*outData)) * sizeof(PRUnichar);
      nsMemory::Free(tempOutData);
      dataFound = true;
    }
  }

  return dataFound;
} // FindURLFromNativeURL
コード例 #21
0
nsresult
nsUrlClassifierUtils::CanonicalizePath(const nsACString & path,
                                       nsACString & _retval)
{
  _retval.Truncate();

  nsAutoCString decodedPath(path);
  nsAutoCString temp;
  while (NS_UnescapeURL(decodedPath.get(), decodedPath.Length(), 0, temp)) {
    decodedPath.Assign(temp);
    temp.Truncate();
  }

  SpecialEncode(decodedPath, true, _retval);
  // XXX: lowercase the path?

  return NS_OK;
}
コード例 #22
0
NS_IMETHODIMP  nsTextToSubURI::UnEscapeURIForUI(const nsACString & aCharset, 
                                                const nsACString &aURIFragment, 
                                                nsAString &_retval)
{
  nsAutoCString unescapedSpec;
  // skip control octets (0x00 - 0x1f and 0x7f) when unescaping
  NS_UnescapeURL(PromiseFlatCString(aURIFragment), 
                 esc_SkipControl | esc_AlwaysCopy, unescapedSpec);

  // in case of failure, return escaped URI
  // Test for != NS_OK rather than NS_FAILED, because incomplete multi-byte
  // sequences are also considered failure in this context
  if (convertURItoUnicode(
                PromiseFlatCString(aCharset), unescapedSpec, true, _retval)
      != NS_OK)
    // assume UTF-8 instead of ASCII  because hostname (IDN) may be in UTF-8
    CopyUTF8toUTF16(aURIFragment, _retval); 
  return NS_OK;
}
コード例 #23
0
ファイル: nsLocation.cpp プロジェクト: lofter2011/Icefox
NS_IMETHODIMP
nsLocation::GetHash(nsAString& aHash)
{
  aHash.SetLength(0);

  nsCOMPtr<nsIURI> uri;
  nsresult rv = GetURI(getter_AddRefs(uri));

  nsCOMPtr<nsIURL> url(do_QueryInterface(uri));

  if (url) {
    nsCAutoString ref;
    nsAutoString unicodeRef;

    rv = url->GetRef(ref);
    if (NS_SUCCEEDED(rv)) {
      nsCOMPtr<nsITextToSubURI> textToSubURI(
          do_GetService(NS_ITEXTTOSUBURI_CONTRACTID, &rv));

      if (NS_SUCCEEDED(rv)) {
        nsCAutoString charset;
        url->GetOriginCharset(charset);
        
        rv = textToSubURI->UnEscapeURIForUI(charset, ref, unicodeRef);
      }
      
      if (NS_FAILED(rv)) {
        // Oh, well.  No intl here!
        NS_UnescapeURL(ref);
        CopyASCIItoUTF16(ref, unicodeRef);
        rv = NS_OK;
      }
    }

    if (NS_SUCCEEDED(rv) && !unicodeRef.IsEmpty()) {
      aHash.Assign(PRUnichar('#'));
      aHash.Append(unicodeRef);
    }
  }

  return rv;
}
コード例 #24
0
ファイル: Link.cpp プロジェクト: alex-tifrea/gecko-dev
void
Link::GetHash(nsAString &_hash, ErrorResult& aError)
{
  _hash.Truncate();

  nsCOMPtr<nsIURI> uri(GetURI());
  if (!uri) {
    // Do not throw!  Not having a valid URI should result in an empty
    // string.
    return;
  }

  nsAutoCString ref;
  nsresult rv = uri->GetRef(ref);
  if (NS_SUCCEEDED(rv) && !ref.IsEmpty()) {
    NS_UnescapeURL(ref); // XXX may result in random non-ASCII bytes!
    _hash.Assign(char16_t('#'));
    AppendUTF8toUTF16(ref, _hash);
  }
}
コード例 #25
0
NS_IMETHODIMP  nsTextToSubURI::UnEscapeNonAsciiURI(const nsACString & aCharset, 
                                                   const nsACString & aURIFragment, 
                                                   nsAString &_retval)
{
  nsAutoCString unescapedSpec;
  NS_UnescapeURL(PromiseFlatCString(aURIFragment),
                 esc_AlwaysCopy | esc_OnlyNonASCII, unescapedSpec);
  // leave the URI as it is if it's not UTF-8 and aCharset is not a ASCII
  // superset since converting "http:" with such an encoding is always a bad 
  // idea.
  if (!IsUTF8(unescapedSpec) && 
      (aCharset.LowerCaseEqualsLiteral("utf-16") ||
       aCharset.LowerCaseEqualsLiteral("utf-16be") ||
       aCharset.LowerCaseEqualsLiteral("utf-16le") ||
       aCharset.LowerCaseEqualsLiteral("utf-7") ||
       aCharset.LowerCaseEqualsLiteral("x-imap4-modified-utf7"))){
    CopyASCIItoUTF16(aURIFragment, _retval);
    return NS_OK;
  }

  return convertURItoUnicode(PromiseFlatCString(aCharset), unescapedSpec, true, _retval);
}
コード例 #26
0
nsresult
net_GetFileFromURLSpec(const nsACString &aURL, nsIFile **result)
{
    nsresult rv;

    nsCOMPtr<nsIFile> localFile(
            do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
    if (NS_FAILED(rv)) {
        NS_ERROR("Only nsIFile supported right now");
        return rv;
    }

    localFile->SetFollowLinks(true);

    const nsACString *specPtr;

    nsAutoCString buf;
    if (net_NormalizeFileURL(aURL, buf))
        specPtr = &buf;
    else
        specPtr = &aURL;
    
    nsAutoCString directory, fileBaseName, fileExtension;
    
    rv = net_ParseFileURL(*specPtr, directory, fileBaseName, fileExtension);
    if (NS_FAILED(rv)) return rv;

    nsAutoCString path;

    if (!directory.IsEmpty()) {
        NS_EscapeURL(directory, esc_Directory|esc_AlwaysCopy, path);
        if (path.Length() > 2 && path.CharAt(2) == '|')
            path.SetCharAt(':', 2);
        path.ReplaceChar('/', '\\');
    }    
    if (!fileBaseName.IsEmpty())
        NS_EscapeURL(fileBaseName, esc_FileBaseName|esc_AlwaysCopy, path);
    if (!fileExtension.IsEmpty()) {
        path += '.';
        NS_EscapeURL(fileExtension, esc_FileExtension|esc_AlwaysCopy, path);
    }
    
    NS_UnescapeURL(path);
    if (path.Length() != strlen(path.get()))
        return NS_ERROR_FILE_INVALID_PATH;

    // remove leading '\'
    if (path.CharAt(0) == '\\')
        path.Cut(0, 1);

    if (IsUTF8(path))
        rv = localFile->InitWithPath(NS_ConvertUTF8toUTF16(path));
        // XXX In rare cases, a valid UTF-8 string can be valid as a native 
        // encoding (e.g. 0xC5 0x83 is valid both as UTF-8 and Windows-125x).
        // However, the chance is very low that a meaningful word in a legacy
        // encoding is valid as UTF-8.
    else 
        // if path is not in UTF-8, assume it is encoded in the native charset
        rv = localFile->InitWithNativePath(path);

    if (NS_FAILED(rv)) return rv;

    NS_ADDREF(*result = localFile);
    return NS_OK;
}
コード例 #27
0
nsresult
nsDataChannel::OpenContentStream(PRBool async, nsIInputStream **result,
                                 nsIChannel** channel)
{
    NS_ENSURE_TRUE(URI(), NS_ERROR_NOT_INITIALIZED);

    nsresult rv;

    nsCAutoString spec;
    rv = URI()->GetAsciiSpec(spec);
    if (NS_FAILED(rv)) return rv;

    nsCString contentType, contentCharset, dataBuffer;
    PRBool lBase64;
    rv = nsDataHandler::ParseURI(spec, contentType, contentCharset,
                                 lBase64, dataBuffer);

    NS_UnescapeURL(dataBuffer);

    if (lBase64) {
        // Don't allow spaces in base64-encoded content. This is only
        // relevant for escaped spaces; other spaces are stripped in
        // NewURI.
        dataBuffer.StripWhitespace();
    }
    
    nsCOMPtr<nsIInputStream> bufInStream;
    nsCOMPtr<nsIOutputStream> bufOutStream;
    
    // create an unbounded pipe.
    rv = NS_NewPipe(getter_AddRefs(bufInStream),
                    getter_AddRefs(bufOutStream),
                    nsIOService::gDefaultSegmentSize,
                    PR_UINT32_MAX,
                    async, PR_TRUE);
    if (NS_FAILED(rv))
        return rv;

    PRUint32 contentLen;
    if (lBase64) {
        const PRUint32 dataLen = dataBuffer.Length();
        PRInt32 resultLen = 0;
        if (dataLen >= 1 && dataBuffer[dataLen-1] == '=') {
            if (dataLen >= 2 && dataBuffer[dataLen-2] == '=')
                resultLen = dataLen-2;
            else
                resultLen = dataLen-1;
        } else {
            resultLen = dataLen;
        }
        resultLen = ((resultLen * 3) / 4);

        // XXX PL_Base64Decode will return a null pointer for decoding
        // errors.  Since those are more likely than out-of-memory,
        // should we return NS_ERROR_MALFORMED_URI instead?
        char * decodedData = PL_Base64Decode(dataBuffer.get(), dataLen, nsnull);
        if (!decodedData) {
            return NS_ERROR_OUT_OF_MEMORY;
        }

        rv = bufOutStream->Write(decodedData, resultLen, &contentLen);

        PR_Free(decodedData);
    } else {
        rv = bufOutStream->Write(dataBuffer.get(), dataBuffer.Length(), &contentLen);
    }
    if (NS_FAILED(rv))
        return rv;

    SetContentType(contentType);
    SetContentCharset(contentCharset);
    SetContentLength64(contentLen);

    NS_ADDREF(*result = bufInStream);

    return NS_OK;
}
コード例 #28
0
ファイル: nsURLHelperOSX.cpp プロジェクト: rn10950/RetroZilla
nsresult
net_GetFileFromURLSpec(const nsACString &aURL, nsIFile **result)
{
  // NOTE: See also the implementation in nsURLHelperUnix.cpp
  // This matches it except for the HFS path handling and file
  // system charset conversion.

  nsresult rv;

  nsCOMPtr<nsILocalFile> localFile;
  rv = NS_NewNativeLocalFile(EmptyCString(), PR_TRUE, getter_AddRefs(localFile));
  if (NS_FAILED(rv))
    return rv;
  
  nsCAutoString directory, fileBaseName, fileExtension, path;
  PRBool bHFSPath = PR_FALSE;

  rv = net_ParseFileURL(aURL, directory, fileBaseName, fileExtension);
  if (NS_FAILED(rv))
    return rv;

  if (!directory.IsEmpty()) {
    NS_EscapeURL(directory, esc_Directory|esc_AlwaysCopy, path);

    // The canonical form of file URLs on OSX use POSIX paths:
    //   file:///path-name.
    // But, we still encounter file URLs that use HFS paths:
    //   file:///volume-name/path-name
    // Determine that here and normalize HFS paths to POSIX.
    nsCAutoString possibleVolName;
    if (pathBeginsWithVolName(directory, possibleVolName)) {        
      // Though we know it begins with a volume name, it could still
      // be a valid POSIX path if the boot drive is named "Mac HD"
      // and there is a directory "Mac HD" at its root. If such a
      // directory doesn't exist, we'll assume this is an HFS path.
      FSRef testRef;
      possibleVolName.Insert("/", 0);
      if (::FSPathMakeRef((UInt8*)possibleVolName.get(), &testRef, nsnull) != noErr)
        bHFSPath = PR_TRUE;
    }

    if (bHFSPath) {
      // "%2F"s need to become slashes, while all other slashes need to
      // become colons. If we start out by changing "%2F"s to colons, we
      // can reply on SwapSlashColon() to do what we need
      path.ReplaceSubstring("%2F", ":");
      path.Cut(0, 1); // directory begins with '/'
      SwapSlashColon((char *)path.get());
      // At this point, path is an HFS path made using the same
      // algorithm as nsURLHelperMac. We'll convert to POSIX below.
    }
  }
  if (!fileBaseName.IsEmpty())
    NS_EscapeURL(fileBaseName, esc_FileBaseName|esc_AlwaysCopy, path);
  if (!fileExtension.IsEmpty()) {
    path += '.';
    NS_EscapeURL(fileExtension, esc_FileExtension|esc_AlwaysCopy, path);
  }

  NS_UnescapeURL(path);
  if (path.Length() != strlen(path.get()))
    return NS_ERROR_FILE_INVALID_PATH;

  if (bHFSPath)
    convertHFSPathtoPOSIX(path, path);

  // assuming path is encoded in the native charset
  rv = localFile->InitWithNativePath(path);
  if (NS_FAILED(rv))
    return rv;

  NS_ADDREF(*result = localFile);
  return NS_OK;
}
コード例 #29
0
void
nsReferencedElement::Reset(nsIContent* aFromContent, nsIURI* aURI,
                           bool aWatch, bool aReferenceImage)
{
  NS_ABORT_IF_FALSE(aFromContent, "Reset() expects non-null content pointer");

  Unlink();

  if (!aURI)
    return;

  nsCAutoString refPart;
  aURI->GetRef(refPart);
  // Unescape %-escapes in the reference. The result will be in the
  // origin charset of the URL, hopefully...
  NS_UnescapeURL(refPart);

  nsCAutoString charset;
  aURI->GetOriginCharset(charset);
  nsAutoString ref;
  nsresult rv = nsContentUtils::ConvertStringFromCharset(charset, refPart, ref);
  if (NS_FAILED(rv)) {
    CopyUTF8toUTF16(refPart, ref);
  }
  if (ref.IsEmpty())
    return;

  // Get the current document
  nsIDocument *doc = aFromContent->GetCurrentDoc();
  if (!doc)
    return;

  nsIContent* bindingParent = aFromContent->GetBindingParent();
  if (bindingParent) {
    nsXBLBinding* binding = doc->BindingManager()->GetBinding(bindingParent);
    if (binding) {
      bool isEqualExceptRef;
      rv = aURI->EqualsExceptRef(binding->PrototypeBinding()->DocURI(),
                                 &isEqualExceptRef);
      if (NS_SUCCEEDED(rv) && isEqualExceptRef) {
        // XXX sXBL/XBL2 issue
        // Our content is an anonymous XBL element from a binding inside the
        // same document that the referenced URI points to. In order to avoid
        // the risk of ID collisions we restrict ourselves to anonymous
        // elements from this binding; specifically, URIs that are relative to
        // the binding document should resolve to the copy of the target
        // element that has been inserted into the bound document.
        // If the URI points to a different document we don't need this
        // restriction.
        nsINodeList* anonymousChildren =
          doc->BindingManager()->GetAnonymousNodesFor(bindingParent);

        if (anonymousChildren) {
          PRUint32 length;
          anonymousChildren->GetLength(&length);
          for (PRUint32 i = 0; i < length && !mElement; ++i) {
            mElement =
              nsContentUtils::MatchElementId(anonymousChildren->GetNodeAt(i), ref);
          }
        }

        // We don't have watching working yet for XBL, so bail out here.
        return;
      }
    }
  }

  bool isEqualExceptRef;
  rv = aURI->EqualsExceptRef(doc->GetDocumentURI(), &isEqualExceptRef);
  if (NS_FAILED(rv) || !isEqualExceptRef) {
    nsRefPtr<nsIDocument::ExternalResourceLoad> load;
    doc = doc->RequestExternalResource(aURI, aFromContent,
                                       getter_AddRefs(load));
    if (!doc) {
      if (!load || !aWatch) {
        // Nothing will ever happen here
        return;
      }

      DocumentLoadNotification* observer =
        new DocumentLoadNotification(this, ref);
      mPendingNotification = observer;
      if (observer) {
        load->AddObserver(observer);
      }
      // Keep going so we set up our watching stuff a bit
    }
  }

  if (aWatch) {
    nsCOMPtr<nsIAtom> atom = do_GetAtom(ref);
    if (!atom)
      return;
    atom.swap(mWatchID);
  }

  mReferencingImage = aReferenceImage;

  HaveNewDocument(doc, aWatch, ref);
}
コード例 #30
0
PRemoteOpenFileParent*
NeckoParent::AllocPRemoteOpenFileParent(const URIParams& aURI,
                                        const OptionalURIParams& aAppURI)
{
  nsCOMPtr<nsIURI> uri = DeserializeURI(aURI);
  nsCOMPtr<nsIFileURL> fileURL = do_QueryInterface(uri);
  if (!fileURL) {
    return nullptr;
  }

  // security checks
  if (UsingNeckoIPCSecurity()) {
    nsCOMPtr<nsIAppsService> appsService =
      do_GetService(APPS_SERVICE_CONTRACTID);
    if (!appsService) {
      return nullptr;
    }
    bool haveValidBrowser = false;
    bool hasManage = false;
    nsCOMPtr<mozIApplication> mozApp;
    for (uint32_t i = 0; i < Manager()->ManagedPBrowserParent().Length(); i++) {
      nsRefPtr<TabParent> tabParent =
        static_cast<TabParent*>(Manager()->ManagedPBrowserParent()[i]);
      uint32_t appId = tabParent->OwnOrContainingAppId();
      nsresult rv = appsService->GetAppByLocalId(appId, getter_AddRefs(mozApp));
      if (NS_FAILED(rv) || !mozApp) {
        continue;
      }
      hasManage = false;
      rv = mozApp->HasPermission("webapps-manage", &hasManage);
      if (NS_FAILED(rv)) {
        continue;
      }
      haveValidBrowser = true;
      break;
    }

    if (!haveValidBrowser) {
      return nullptr;
    }

    nsAutoCString requestedPath;
    fileURL->GetPath(requestedPath);
    NS_UnescapeURL(requestedPath);

    // Check if we load the whitelisted app uri for the neterror page.
    bool netErrorWhiteList = false;

    nsCOMPtr<nsIURI> appUri = DeserializeURI(aAppURI);
    if (appUri) {
      nsAdoptingString netErrorURI;
      netErrorURI = Preferences::GetString("b2g.neterror.url");
      if (netErrorURI) {
        nsAutoCString spec;
        appUri->GetSpec(spec);
        netErrorWhiteList = spec.Equals(NS_ConvertUTF16toUTF8(netErrorURI).get());
      }
    }

    if (hasManage || netErrorWhiteList) {
      // webapps-manage permission means allow reading any application.zip file
      // in either the regular webapps directory, or the core apps directory (if
      // we're using one).
      NS_NAMED_LITERAL_CSTRING(appzip, "/application.zip");
      nsAutoCString pathEnd;
      requestedPath.Right(pathEnd, appzip.Length());
      if (!pathEnd.Equals(appzip)) {
        return nullptr;
      }
      nsAutoCString pathStart;
      requestedPath.Left(pathStart, mWebAppsBasePath.Length());
      if (!pathStart.Equals(mWebAppsBasePath)) {
        if (mCoreAppsBasePath.IsEmpty()) {
          return nullptr;
        }
        requestedPath.Left(pathStart, mCoreAppsBasePath.Length());
        if (!pathStart.Equals(mCoreAppsBasePath)) {
          return nullptr;
        }
      }
      // Finally: make sure there are no "../" in URI.
      // Note: not checking for symlinks (would cause I/O for each path
      // component).  So it's up to us to avoid creating symlinks that could
      // provide attack vectors.
      if (PL_strnstr(requestedPath.BeginReading(), "/../",
                     requestedPath.Length())) {
        printf_stderr("NeckoParent::AllocPRemoteOpenFile: "
                      "FATAL error: requested file URI '%s' contains '/../' "
                      "KILLING CHILD PROCESS\n", requestedPath.get());
        return nullptr;
      }
    } else {
      // regular packaged apps can only access their own application.zip file
      nsAutoString basePath;
      nsresult rv = mozApp->GetBasePath(basePath);
      if (NS_FAILED(rv)) {
        return nullptr;
      }
      nsAutoString uuid;
      rv = mozApp->GetId(uuid);
      if (NS_FAILED(rv)) {
        return nullptr;
      }
      nsPrintfCString mustMatch("%s/%s/application.zip",
                                NS_LossyConvertUTF16toASCII(basePath).get(),
                                NS_LossyConvertUTF16toASCII(uuid).get());
      if (!requestedPath.Equals(mustMatch)) {
        printf_stderr("NeckoParent::AllocPRemoteOpenFile: "
                      "FATAL error: app without webapps-manage permission is "
                      "requesting file '%s' but is only allowed to open its "
                      "own application.zip at %s: KILLING CHILD PROCESS\n",
                      requestedPath.get(), mustMatch.get());
        return nullptr;
      }
    }
  }

  RemoteOpenFileParent* parent = new RemoteOpenFileParent(fileURL);
  return parent;
}