NS_IMETHODIMP
nsIOService::EscapeString(const nsACString& aString,
uint32_t aEscapeType,
nsACString& aResult)
{
NS_ENSURE_ARG_MAX(aEscapeType, 4);
nsAutoCString stringCopy(aString);
nsCString result;
if (!NS_Escape(stringCopy, result, (nsEscapeMask) aEscapeType))
return NS_ERROR_OUT_OF_MEMORY;
aResult.Assign(result);
return NS_OK;
}
nsresult
nsXHTMLContentSerializer::EscapeURI(nsIContent* aContent, const nsAString& aURI, nsAString& aEscapedURI)
{
// URL escape %xx cannot be used in JS.
// No escaping if the scheme is 'javascript'.
if (IsJavaScript(aContent, nsGkAtoms::href, kNameSpaceID_None, aURI)) {
aEscapedURI = aURI;
return NS_OK;
}
// nsITextToSubURI does charset convert plus uri escape
// This is needed to convert to a document charset which is needed to support existing browsers.
// But we eventually want to use UTF-8 instead of a document charset, then the code would be much simpler.
// See HTML 4.01 spec, "Appendix B.2.1 Non-ASCII characters in URI attribute values"
nsCOMPtr<nsITextToSubURI> textToSubURI;
nsAutoString uri(aURI); // in order to use FindCharInSet()
nsresult rv = NS_OK;
if (!mCharset.IsEmpty() && !IsASCII(uri)) {
textToSubURI = do_GetService(NS_ITEXTTOSUBURI_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
}
int32_t start = 0;
int32_t end;
nsAutoString part;
nsXPIDLCString escapedURI;
aEscapedURI.Truncate(0);
// Loop and escape parts by avoiding escaping reserved characters
// (and '%', '#', as well as '[' and ']' for IPv6 address literals).
while ((end = uri.FindCharInSet("%#;/?:@&=+$,[]", start)) != -1) {
part = Substring(aURI, start, (end-start));
if (textToSubURI && !IsASCII(part)) {
rv = textToSubURI->ConvertAndEscape(mCharset.get(), part.get(), getter_Copies(escapedURI));
NS_ENSURE_SUCCESS(rv, rv);
} else if (NS_WARN_IF(!NS_Escape(NS_ConvertUTF16toUTF8(part), escapedURI,
url_Path))) {
return NS_ERROR_OUT_OF_MEMORY;
}
AppendASCIItoUTF16(escapedURI, aEscapedURI);
// Append a reserved character without escaping.
part = Substring(aURI, end, 1);
aEscapedURI.Append(part);
start = end + 1;
}
if (start < (int32_t) aURI.Length()) {
// Escape the remaining part.
part = Substring(aURI, start, aURI.Length()-start);
if (textToSubURI) {
rv = textToSubURI->ConvertAndEscape(mCharset.get(), part.get(), getter_Copies(escapedURI));
NS_ENSURE_SUCCESS(rv, rv);
} else if (NS_WARN_IF(!NS_Escape(NS_ConvertUTF16toUTF8(part), escapedURI,
url_Path))) {
return NS_ERROR_OUT_OF_MEMORY;
}
AppendASCIItoUTF16(escapedURI, aEscapedURI);
}
return rv;
}
nsresult
FileSystemDataSource::GetFolderList(nsIRDFResource *source, bool allowHidden,
bool onlyFirst, nsISimpleEnumerator** aResult)
{
if (!isDirURI(source))
return(NS_RDF_NO_VALUE);
nsresult rv;
const char *parentURI = nullptr;
rv = source->GetValueConst(&parentURI);
if (NS_FAILED(rv))
return(rv);
if (!parentURI)
return(NS_ERROR_UNEXPECTED);
nsCOMPtr<nsIURI> aIURI;
if (NS_FAILED(rv = NS_NewURI(getter_AddRefs(aIURI), nsDependentCString(parentURI))))
return(rv);
nsCOMPtr<nsIFileURL> fileURL = do_QueryInterface(aIURI);
if (!fileURL)
return NS_OK;
nsCOMPtr<nsIFile> aDir;
if (NS_FAILED(rv = fileURL->GetFile(getter_AddRefs(aDir))))
return(rv);
// ensure that we DO NOT resolve aliases
aDir->SetFollowLinks(false);
nsCOMPtr<nsISimpleEnumerator> dirContents;
if (NS_FAILED(rv = aDir->GetDirectoryEntries(getter_AddRefs(dirContents))))
return(rv);
if (!dirContents)
return(NS_ERROR_UNEXPECTED);
nsCOMArray<nsIRDFResource> resources;
bool hasMore;
while(NS_SUCCEEDED(rv = dirContents->HasMoreElements(&hasMore)) &&
hasMore)
{
nsCOMPtr<nsISupports> isupports;
if (NS_FAILED(rv = dirContents->GetNext(getter_AddRefs(isupports))))
break;
nsCOMPtr<nsIFile> aFile = do_QueryInterface(isupports);
if (!aFile)
break;
if (!allowHidden)
{
bool hiddenFlag = false;
if (NS_FAILED(rv = aFile->IsHidden(&hiddenFlag)))
break;
if (hiddenFlag)
continue;
}
nsAutoString leafStr;
if (NS_FAILED(rv = aFile->GetLeafName(leafStr)))
break;
if (leafStr.IsEmpty())
continue;
nsAutoCString fullURI;
fullURI.Assign(parentURI);
if (fullURI.Last() != '/')
{
fullURI.Append('/');
}
nsAutoCString leaf;
bool escaped = NS_Escape(NS_ConvertUTF16toUTF8(leafStr), leaf, url_Path);
leafStr.Truncate();
if (!escaped) {
continue;
}
// using nsEscape() [above] doesn't escape slashes, so do that by hand
int32_t aOffset;
while ((aOffset = leaf.FindChar('/')) >= 0)
{
leaf.Cut((uint32_t)aOffset, 1);
leaf.Insert("%2F", (uint32_t)aOffset);
}
// append the encoded name
fullURI.Append(leaf);
bool dirFlag = false;
rv = aFile->IsDirectory(&dirFlag);
if (NS_SUCCEEDED(rv) && dirFlag)
{
fullURI.Append('/');
}
nsCOMPtr<nsIRDFResource> fileRes;
mRDFService->GetResource(fullURI, getter_AddRefs(fileRes));
resources.AppendObject(fileRes);
if (onlyFirst)
break;
}
return NS_NewArrayEnumerator(aResult, resources);
}