src/acl/Note.cc

   1 /*
   2  * Copyright (C) 1996-2016 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 #include "sbuf/StringConvert.h"
  18
  19 int
  20 ACLNoteStrategy::match(ACLData<MatchType> * &data, ACLFilledChecklist *checklist, ACLFlags &flags)
  21 {
  22     if (const auto request = checklist->request) {
  23         if (request->notes != NULL && matchNotes(data, request->notes.getRaw(), flags.delimiters()))
  24             return 1;
  25 #if USE_ADAPTATION
  26         const Adaptation::History::Pointer ah = request->adaptLogHistory();
  27         if (ah != NULL && ah->metaHeaders != NULL && matchNotes(data, ah->metaHeaders.getRaw(), flags.delimiters()))
  28             return 1;
  29 #endif
  30     }
  31     return 0;
  32 }
  33
  34 bool
  35 ACLNoteStrategy::matchNotes(ACLData<MatchType> *noteData, const NotePairs *note, const CharacterSet *delimiters) const
  36 {
  37     for (auto &entry: note->entries) {
  38         if (delimiters) {
  39             NotePairs::Entry e(entry->name.termedBuf(), "");
  40             Parser::Tokenizer t(StringToSBuf(entry->value));
  41             SBuf s;
  42             while (t.token(s, *delimiters)) {
  43                 e.value = s.c_str();
  44                 if (noteData->match(&e))
  45                     return true;
  46             }
  47             s = t.remaining();
  48             e.value = s.c_str();
  49             if (noteData->match(&e))
  50                 return true;
  51         }
  52         if (noteData->match(entry))
  53             return true;
  54     }
  55     return false;
  56 }
  57
  58 ACLNoteStrategy *
  59 ACLNoteStrategy::Instance()
  60 {
  61     return &Instance_;
  62 }
  63
  64 ACLNoteStrategy ACLNoteStrategy::Instance_;
  65