src/auth/SchemesConfig.cc

   1 /*
   2  * Copyright (C) 1996-2023 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #include "squid.h"
  10 #include "auth/Config.h"
  11 #include "fatal.h"
  12 #include "parser/Tokenizer.h"
  13
  14 #include <algorithm>
  15
  16 static void
  17 addUnique(const SBuf &scheme, std::vector<SBuf> &vec)
  18 {
  19     static const SBuf all("ALL");
  20     if (scheme == all) {
  21         for (const auto config: Auth::TheConfig.schemes)
  22             addUnique(SBuf(config->type()), vec);
  23     } else if (std::find(vec.begin(), vec.end(), scheme) == vec.end())
  24         vec.push_back(scheme);
  25 }
  26
  27 void
  28 Auth::SchemesConfig::expand()
  29 {
  30     static const CharacterSet delimiters("delimiters", ",");
  31     static const CharacterSet quotedDelimiters("quotedDelimiters", ", ");
  32     const CharacterSet *resultDelimiters = quoted ? &quotedDelimiters : &delimiters;
  33     std::vector<SBuf> expanded;
  34     Parser::Tokenizer t(schemes);
  35     SBuf scheme;
  36     while (t.token(scheme, *resultDelimiters))
  37         addUnique(scheme, expanded);
  38     t.skipAllTrailing(CharacterSet::SP + CharacterSet::HTAB);
  39     if (!t.remaining().isEmpty())
  40         addUnique(t.remaining(), expanded);
  41
  42     authConfigs.clear();
  43     transform(expanded.begin(), expanded.end(),
  44     back_inserter(authConfigs), [](SBuf &s) {
  45         return Auth::SchemeConfig::GetParsed(s.c_str());
  46     });
  47 }
  48