ad_scope_authorize

ad_scope_authorize scope public_permissions group_permissions \
    user_permissions [ group_id_name ] [ user_id_name ]

Defined in tcl/ad-scope.tcl

this procedure will check whether the visitor has the right to view the page. if authorization fails, procedure will returns not_authorized message to the user; if authorization suceeds, procedure will return user_id of the visitor if user is logged in or 0 otherwise. if user needs to be registered in order to view the page, procedure will automatically redirect the user. in the case, user is not authorized or he i s redirected, procedure will return from the topmost environment. public_permission gives permissions used for public scope: all, registered, admin (site-wide-administrator) and none (scope=public does not apply for this page, so nobody can see the page). group_permissions gives permission used for scope group: all (all users), registered (registered users only), group_member (group members only), group_admin (group administrators), admin (site wide administrators) and none (scope=group does not apply for this page, so nobody in the group can see the page). user_permissions gives permission used for scope user: all (all users), registered (registered users only) and user (only the user with user_id specified by the variable user_id_name has full privileges), and none (scope=user does not apply for this page, so page cannot be accessed for scope user). if group_id_name (name of the group_id variable against which, we are testing the authorization) is not provided and scope=group, procedure assumes that group_id is set in the topmost environment. if user_id_name (name of the user_id variable against which, we are testing the authorization) is not provided and scope=group, procedure assumes that user_id is set in the topmost environment.

Parameters:

scope
public_permissions
group_permissions
user_permissions
group_id_name (optional)
user_id_name (optional)