updates

contrib/frontends/cpp/nntpchan-daemon/src/nntp_auth.hpp

@@ -2,6 +2,7 @@
 #define NNTPCHAN_NNTP_AUTH_HPP
 #include <string>
 #include <iostream>
+#include <fstream>
 #include <mutex>
 #include "line.hpp"
 
@@ -11,27 +12,45 @@ namespace nntpchan
   class NNTPCredentialDB
   {
   public:
+    /** @brief open connection to database, return false on error otherwise return true */
+    virtual bool Open() = 0;
+    /** @brief close connection to database */
+    virtual void Close() = 0;
     /** @brief return true if username password combo is correct */
     virtual bool CheckLogin(const std::string & user, const std::string & passwd) = 0;
+    virtual ~NNTPCredentialDB() {}
   };
   
   /** @brief nntp credential db using hashed+salted passwords */
   class HashedCredDB : public NNTPCredentialDB, public LineReader
   {
   public:
-    HashedCredDB(std::istream & i);
     bool CheckLogin(const std::string & user, const std::string & passwd);
   protected:
+    void SetStream(std::istream * i);
+    
     std::string Hash(const std::string & data, const std::string & salt);
+    void HandleLine(const std::string & line);
   private:
-
     bool ProcessLine(const std::string & line);
     
     std::mutex m_access;
     std::string m_user, m_passwd;
     bool m_found;
     /** return true if we have a line that matches this username / password combo */
-    std::istream & m_instream;
+    std::istream * m_instream;
+  };
+
+  class HashedFileDB : public HashedCredDB
+  {
+  public:
+    HashedFileDB(const std::string & fname);
+    ~HashedFileDB();
+    bool Open();
+    void Close();
+  private:
+    std::string m_fname;
+    std::ifstream f;
   };
 }