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v3/master
src/actions/transformations/url_encode.cc
62 строки
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Eduardo Arias
Simplified initialization of Transformation's action_kind
27 авг 2024, 16:00
27 авг 2024, 16:00
2f5dac5
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/* * ModSecurity, http://www.modsecurity.org/ * Copyright (c) 2015 - 2021 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 "url_encode.h" #include "src/utils/string.h" namespace modsecurity::actions::transformations { static inline bool url_enc(std::string &value) { const auto len = value.size() * 3 + 1; std::string ret(len, {}); bool changed = false; /* ENH Only encode the characters that really need to be encoded. */ char *d = ret.data(); for (const auto c : value) { if (c == ' ') { *d++ = '+'; changed = true; } else { if ( (c == 42) || ((c >= 48) && (c <= 57)) || ((c >= 65) && (c <= 90)) || ((c >= 97) && (c <= 122))) { *d++ = c; } else { *d++ = '%'; d = (char *)utils::string::c2x(c, (unsigned char *)d); changed = true; } } } ret.resize(d - ret.c_str()); std::swap(value, ret); return changed; } bool UrlEncode::transform(std::string &value, const Transaction *trans) const { return url_enc(value); } } // namespace modsecurity::actions::transformations