src/acl/Note.cc

   1 /*
   2  * Copyright (C) 1996-2015 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 "acl/Checklist.h"
  11 #include "acl/HttpHeaderData.h"
  12 #include "acl/Note.h"
  13 #include "acl/NoteData.h"
  14 #include "HttpRequest.h"
  15 #include "Notes.h"
  16 #include "parser/Tokenizer.h"
  17
  18 int
  19 ACLNoteStrategy::match(ACLData<MatchType> * &data, ACLFilledChecklist *checklist, ACLFlags &flags)
  20 {
  21     if (const auto request = checklist->request) {
  22         if (request->notes != NULL && matchNotes(data, request->notes.getRaw(), flags.delimiters()))
  23             return 1;
  24 #if USE_ADAPTATION
  25         const Adaptation::History::Pointer ah = request->adaptLogHistory();
  26         if (ah != NULL && ah->metaHeaders != NULL && matchNotes(data, ah->metaHeaders.getRaw(), flags.delimiters()))
  27             return 1;
  28 #endif
  29     }
  30     return 0;
  31 }
  32
  33 bool
  34 ACLNoteStrategy::matchNotes(ACLData<MatchType> *noteData, const NotePairs *note, const CharacterSet *delimiters) const
  35 {
  36     for (auto &entry: note->entries) {
  37         if (delimiters) {
  38             NotePairs::Entry e(entry->name.termedBuf(), "");
  39             Parser::Tokenizer t(SBuf(entry->value));
  40             SBuf s;
  41             while (t.token(s, *delimiters)) {
  42                 e.value = s.c_str();
  43                 if (noteData->match(&e))
  44                     return true;
  45             }
  46             s = t.remaining();
  47             e.value = s.c_str();
  48             if (noteData->match(&e))
  49                 return true;
  50         }
  51         if (noteData->match(entry))
  52             return true;
  53     }
  54     return false;
  55 }
  56
  57 ACLNoteStrategy *
  58 ACLNoteStrategy::Instance()
  59 {
  60     return &Instance_;
  61 }
  62
  63 ACLNoteStrategy ACLNoteStrategy::Instance_;
  64