src/auth/SchemesConfig.cc

   1 /*
   2  * Copyright (C) 1996-2021 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 static void
  15 addUnique(const SBuf &scheme, std::vector<SBuf> &vec)
  16 {
  17     static const SBuf all("ALL");
  18     if (scheme == all) {
  19         for (const auto config: Auth::TheConfig.schemes)
  20             addUnique(SBuf(config->type()), vec);
  21     } else if (std::find(vec.begin(), vec.end(), scheme) == vec.end())
  22         vec.push_back(scheme);
  23 }
  24
  25 void
  26 Auth::SchemesConfig::expand()
  27 {
  28     static const CharacterSet delimiters("delimiters", ",");
  29     static const CharacterSet quotedDelimiters("quotedDelimiters", ", ");
  30     const CharacterSet *resultDelimiters = quoted ? &quotedDelimiters : &delimiters;
  31     std::vector<SBuf> expanded;
  32     Parser::Tokenizer t(schemes);
  33     SBuf scheme;
  34     while (t.token(scheme, *resultDelimiters))
  35         addUnique(scheme, expanded);
  36     t.skipAllTrailing(CharacterSet::SP + CharacterSet::HTAB);
  37     if (!t.remaining().isEmpty())
  38         addUnique(t.remaining(), expanded);
  39
  40     authConfigs.clear();
  41     transform(expanded.begin(), expanded.end(),
  42     back_inserter(authConfigs), [](SBuf &s) {
  43         return Auth::SchemeConfig::GetParsed(s.c_str());
  44     });
  45 }
  46