intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 47 insertions, 0 deletions

diff --git a/library/cpp/http/fetch/http_digest.h b/library/cpp/http/fetch/http_digest.h
new file mode 100644
index 0000000000..3b1872d70b
--- /dev/null
+++ b/library/cpp/http/fetch/http_digest.h
@@ -0,0 +1,47 @@
+#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;
+};