mirror of
https://github.com/owasp-modsecurity/ModSecurity.git
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58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
/*
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* ModSecurity, http://www.modsecurity.org/
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* Copyright (c) 2015 - 2020 Trustwave Holdings, Inc. (http://www.trustwave.com/)
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*
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* You may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* If any of the files related to licensing are missing or if you have any
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* other questions related to licensing please contact Trustwave Holdings, Inc.
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* directly using the email address security@modsecurity.org.
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*
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*/
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#include "src/actions/transformations/remove_whitespace.h"
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#include <string>
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#include "modsecurity/modsecurity.h"
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#include "modsecurity/transaction.h"
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#include "src/utils/string.h"
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namespace modsecurity {
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namespace actions {
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namespace transformations {
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void RemoveWhitespace::execute(const Transaction *t,
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const ModSecString &in,
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ModSecString &out) noexcept {
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out = in;
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int64_t i = 0;
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char nonBreakingSpaces = 0xa0;
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// loop through all the chars
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while (i < out.size()) {
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// remove whitespaces and non breaking spaces (NBSP)
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if (isspace(out[i]) || (out[i] == nonBreakingSpaces)) {
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out.erase(i, 1);
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} else {
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/* if the space is not a whitespace char, increment counter
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counter should not be incremented if a character is erased because
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the index erased will be replaced by the following character */
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i++;
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}
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}
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}
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} // namespace transformations
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} // namespace actions
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} // namespace modsecurity
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