Пример #1
0
bool KeystoreClientImpl::listKeys(const std::string& prefix,
                                  std::vector<std::string>* key_name_list) {
    String16 prefix16(prefix.data(), prefix.size());
    android::Vector<String16> matches;
    auto error_code = keystore_->list(prefix16, kDefaultUID, &matches);
    if (error_code.isOk()) {
        for (const auto& match : matches) {
            android::String8 key_name(match);
            key_name_list->push_back(prefix + std::string(key_name.string(), key_name.size()));
        }
        return true;
    }
    return false;
}
Пример #2
0
bool ScriptInterface::EnumeratePropertyNamesWithPrefix(jsval obj, const char* prefix, std::vector<std::string>& out)
{
	utf16string prefix16 (prefix, prefix+strlen(prefix));

	if (! JSVAL_IS_OBJECT(obj))
		return false; // TODO: log error messages

	JSObject* it = JS_NewPropertyIterator(m->m_cx, JSVAL_TO_OBJECT(obj));
	if (!it)
		return false;

	while (true)
	{
		jsid idp;
		jsval val;
		if (! JS_NextProperty(m->m_cx, it, &idp) || ! JS_IdToValue(m->m_cx, idp, &val))
			return false;
		if (val == JSVAL_VOID)
			break; // end of iteration
		if (! JSVAL_IS_STRING(val))
			continue; // ignore integer properties

		JSString* name = JSVAL_TO_STRING(val);
		size_t len;
		const jschar* chars = JS_GetStringCharsAndLength(m->m_cx, name, &len);
		if (chars && len >= prefix16.size() && memcmp(chars, prefix16.c_str(), prefix16.size()*2) == 0)
			out.push_back(std::string(chars, chars+len)); // handles Unicode poorly
	}

	// Recurse up the prototype chain
	JSObject* prototype = JS_GetPrototype(m->m_cx, JSVAL_TO_OBJECT(obj));
	if (prototype)
	{
		if (! EnumeratePropertyNamesWithPrefix(OBJECT_TO_JSVAL(prototype), prefix, out))
			return false;
	}

	return true;
}