library/cpp/http/fetch/http_digest.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

#pragma once

#include "httpheader.h" 
 
#include <util/system/compat.h>
#include <library/cpp/http/misc/httpcodes.h>

class httpDigestHandler { 
protected: 
    const char* User_; 
    const char* Password_; 
    char* Nonce_; 
    int NonceCount_; 
    char* HeaderInstruction_; 

    void clear();

    void generateCNonce(char* outCNonce); 

    void digestCalcHA1(const THttpAuthHeader& hd, 
                       char* outSessionKey, 
                       char* outCNonce); 

    void digestCalcResponse(const THttpAuthHeader& hd, 
                            const char* method, 
                            const char* path, 
                            const char* nonceCount, 
                            char* outResponse, 
                            char* outCNonce); 

public: 
    httpDigestHandler();
    ~httpDigestHandler();

    void setAuthorization(const char* user, 
                          const char* password); 
    bool processHeader(const THttpAuthHeader* header, 
                       const char* path, 
                       const char* method, 
                       const char* cnonce = nullptr); 

    bool empty() const { 
        return (!User_); 
    }

    const char* getHeaderInstruction() const;
};