ModSecurity/src/actions/transformations/compress_whitespace.cc
2016-01-13 15:57:00 -03:00

67 lines
1.6 KiB
C++

/*
* ModSecurity, http://www.modsecurity.org/
* Copyright (c) 2015 Trustwave Holdings, Inc. (http://www.trustwave.com/)
*
* You may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* If any of the files related to licensing are missing or if you have any
* other questions related to licensing please contact Trustwave Holdings, Inc.
* directly using the email address security@modsecurity.org.
*
*/
#include "actions/transformations/compress_whitespace.h"
#include <iostream>
#include <string>
#include <algorithm>
#include <functional>
#include <cctype>
#include <locale>
#include "modsecurity/transaction.h"
#include "actions/transformations/transformation.h"
namespace modsecurity {
namespace actions {
namespace transformations {
CompressWhitespace::CompressWhitespace(std::string action)
: Transformation(action) {
this->action_kind = 1;
}
std::string CompressWhitespace::evaluate(std::string value,
Transaction *transaction) {
std::string a;
int inWhiteSpace = 0;
int i = 0;
while (i < value.size()) {
if (isspace(value[i])) {
if (inWhiteSpace) {
i++;
continue;
} else {
inWhiteSpace = 1;
a.append(" ", 1);
}
} else {
inWhiteSpace = 0;
a.append(&value.at(i), 1);
}
i++;
}
return a;
}
} // namespace transformations
} // namespace actions
} // namespace modsecurity