RequestParser.h
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1 /*
2  * Copyright (C) 1996-2019 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 #ifndef _SQUID_SRC_HTTP_ONE_REQUESTPARSER_H
10 #define _SQUID_SRC_HTTP_ONE_REQUESTPARSER_H
11 
12 #include "http/one/Parser.h"
13 #include "http/RequestMethod.h"
14 
15 namespace Parser {
16 class Tokenizer;
17 }
18 
19 namespace Http {
20 namespace One {
21 
31 {
32 public:
33  RequestParser() = default;
34  RequestParser(bool preserveParsed) { preserveParsed_ = preserveParsed; }
35  RequestParser(const RequestParser &) = default;
36  RequestParser &operator =(const RequestParser &) = default;
37  RequestParser(RequestParser &&) = default;
38  RequestParser &operator =(RequestParser &&) = default;
39  virtual ~RequestParser() {}
40 
41  /* Http::One::Parser API */
42  virtual void clear() {*this = RequestParser();}
43  virtual Http1::Parser::size_type firstLineSize() const;
44  virtual bool parse(const SBuf &aBuf);
45 
47  const HttpRequestMethod & method() const {return method_;}
48 
50  const SBuf &requestUri() const {return uri_;}
51 
53  const SBuf &parsed() const { Must(preserveParsed_); return parsed_; }
54 
55 private:
56  void skipGarbageLines();
57  int parseRequestFirstLine();
59  bool doParse(const SBuf &aBuf);
60 
61  /* all these return false and set parseStatusCode on parsing failures */
62  bool parseMethodField(Tokenizer &);
63  bool parseUriField(Tokenizer &);
64  bool parseHttpVersionField(Tokenizer &);
65  bool skipDelimiter(const size_t count, const char *where);
66  bool skipTrailingCrs(Tokenizer &tok);
67 
68  bool http0() const {return !msgProtocol_.major;}
69  static const CharacterSet &RequestTargetCharacters();
70 
73 
76 
80  bool preserveParsed_ = false;
81 };
82 
83 } // namespace One
84 } // namespace Http
85 
86 #endif /* _SQUID_SRC_HTTP_ONE_REQUESTPARSER_H */
87 
const SBuf & parsed() const
the accumulated parsed bytes
Definition: RequestParser.h:53
const HttpRequestMethod & method() const
the HTTP method if this is a request message
Definition: RequestParser.h:47
Definition: SBuf.h:86
SBuf::size_type size_type
Definition: Parser.h:43
static struct node * parse(FILE *fp)
Definition: parse.c:995
#define Must(condition)
Like assert() but throws an exception instead of aborting the process.
Definition: TextException.h:69
Generic protocol-agnostic parsing tools.
Definition: RequestParser.h:15
optimized set of C chars, with quick membership test and merge support
Definition: CharacterSet.h:17
Definition: parse.c:160
const SBuf & requestUri() const
the request-line URI if this is a request message, or an empty string.
Definition: RequestParser.h:50
HttpRequestMethod method_
what request method has been found on the first line
Definition: RequestParser.h:72
RequestParser(bool preserveParsed)
Definition: RequestParser.h:34
::Parser::Tokenizer Tokenizer
Definition: Parser.h:44
SBuf uri_
raw copy of the original client request-line URI field
Definition: RequestParser.h:75
Definition: forward.h:21

 

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