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First release of open-appsec source code

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roybarda
2022-10-26 19:33:19 +03:00
parent 3883109caf
commit a883352f79
1353 changed files with 276290 additions and 1 deletions
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components/security_apps/waap/waap_clib/ParserConfluence.cc Executable file
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// Copyright (C) 2022 Check Point Software Technologies Ltd. All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "ParserConfluence.h"
#include "debug.h"
USE_DEBUG_FLAG(D_WAAP_PARSER_CONFLUENCE);
ParserConfluence::ParserConfluence(IParserStreamReceiver& receiver) :
m_parserName("confluence"),
m_state(s_start),
m_receiver(receiver),
m_name()
{
}
ParserConfluence::~ParserConfluence()
{
}
size_t ParserConfluence::push(const char* data, size_t data_len)
{
if (data_len == 0)
{
if (m_state != s_end)
{
m_state = s_error;
return 0;
}
}
size_t i = 0, name_index = 0, attribute_index = 0;
while (i < data_len)
{
char c = data[i];
bool is_last = (i + 1 == data_len);
dbgTrace(D_WAAP_PARSER_CONFLUENCE) << "parsing confluence: index: " << i << " char: " << c << " state: " <<
m_state;
switch (m_state)
{
case s_start:
if (c != '{')
{
m_state = s_error;
break;
}
i++;
m_state = s_start_name;
break;
case s_start_name:
m_name = "";
name_index = i;
m_state = s_name;
break;
case s_name:
if (c == ':')
{
m_name += std::string(data + name_index, i - name_index);
m_name += ".";
m_state = s_start_attributes;
}
else if (c == '"')
{
m_state = s_error;
break;
}
else if (is_last)
{
m_name += std::string(data + name_index, i - name_index + 1);
name_index = 0;
}
i++;
break;
case s_start_attributes:
attribute_index = i;
m_receiver.onKey(m_name.c_str(), m_name.length());
m_state = s_attribute_name;
break;
case s_attribute_name:
if (c == '=')
{
if (i > attribute_index)
{
m_receiver.onKey(data + attribute_index, i - attribute_index);
}
attribute_index = is_last ? 0 : i + 1;
m_state = s_attribute_value;
}
else if (c == '|')
{
if (i > attribute_index)
{
m_receiver.onKey(data + attribute_index, i - attribute_index);
}
m_receiver.onKvDone();
m_state = s_start_attributes;
}
else if (c == '}')
{
if (i > attribute_index)
{
m_receiver.onKey(data + attribute_index, i - attribute_index);
}
m_receiver.onKvDone();
m_state = s_end;
}
else if (is_last)
{
m_receiver.onKey(data + attribute_index, i - attribute_index + 1);
attribute_index = 0;
}
i++;
break;
case s_attribute_value:
if (c == '|')
{
if (i > attribute_index)
{
m_receiver.onValue(data + attribute_index, i - attribute_index);
}
m_receiver.onKvDone();
m_state = s_start_attributes;
}
else if (c == '}')
{
if (i > attribute_index)
{
m_receiver.onValue(data + attribute_index, i - attribute_index);
}
m_receiver.onKvDone();
m_state = s_end;
break;
}
else if (is_last)
{
m_receiver.onValue(data + attribute_index, i - attribute_index + 1);
attribute_index = 0;
}
i++;
break;
case s_end:
if (!is_last)
{
m_state = s_error;
}
i++;
break;
case s_error:
return i;
break;
default:
break;
}
}
return 0;
}
void ParserConfluence::finish()
{
push(NULL, 0);
}
const std::string& ParserConfluence::name() const
{
return m_parserName;
}
bool ParserConfluence::error() const
{
return m_state == s_error;
}