added: to IsWhite (core/misc)

other unicode white characters
       25 characters -- without a new line character (10)
added: config option: account_need_email_verification
       if true then when creating an account a user has to provide
       his email address and a message with an activation link will be sent 
       back to him
added: 'pw' winix function (not finished yet)
       at the moment only one parameter 'activate'



git-svn-id: svn://ttmath.org/publicrep/winix/trunk@810 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/user.h

@@ -15,6 +15,41 @@
 #include "confparser/space.h"
 
 
+#define WINIX_ACCOUNT_MAX_LOGIN_SIZE		250
+#define WINIX_ACCOUNT_MAX_PASSWORD_SIZE		250
+#define WINIX_ACCOUNT_MAX_EMAIL_SIZE		250
+
+
+
+// account status
+// 1 - a user has created its account -- an email was sent back to him
+#define WINIX_ACCOUNT_NOT_ACTIVATED		1
+
+// 2 - a user clicked on the link in the mail and now can normally use his account
+#define WINIX_ACCOUNT_READY				2
+
+// 3 - account was suspended
+#define WINIX_ACCOUNT_SUSPENDED			3
+
+// 4 - account was banned
+#define WINIX_ACCOUNT_BLOCKED			4
+
+
+/*
+	a user can login only to an account which status is equal to WINIX_ACCOUNT_READY
+
+	actually there is no difference between WINIX_ACCOUNT_SUSPENDED and WINIX_ACCOUNT_BANNED
+	only a different message will be present on the website
+
+	you can use other values of status in your plugins - this not have any impact on winix
+	the default 'login' winix function only allowes to login a user who has WINIX_ACCOUNT_READY value
+	but you can provide your own 'login' function which can work in a different way
+
+	winix knows that user is login when cur->session->puser pointer is set
+	(when the pointer is not null then winix do not check what the value of 'status' is --
+	the status is only tested in 'login' function)
+*/
+
 
 /*
 	a temporary struct used for hashing and encrypting a user's password
@@ -51,6 +86,12 @@ struct User
 	// an administrator can use 'env' winix function with 'a' parameter
 	PT::Space aenv;
 
+	// account status
+	// WINIX_ACCOUNT_*
+	// a user can normally login only when status is WINIX_ACCOUNT_READY
+	int status;
+
+
 
 
 	User()
@@ -70,6 +111,7 @@ struct User
 		time_zone_offset = 0;
 		env.Clear();
 		aenv.Clear();
+		status = WINIX_ACCOUNT_BLOCKED;
 	}