[#802] Move methods from User so other Principals can use them

This commit is contained in:
Eric Davis 2011-04-19 11:33:53 -07:00
parent 8b3207a893
commit 10054cfd8f
2 changed files with 76 additions and 68 deletions

View File

@ -48,6 +48,82 @@ class Principal < ActiveRecord::Base
end
end
def active?
true
end
def logged?
true # TODO: should all principals default to logged or not?
end
# Return true if the user is allowed to do the specified action on a specific context
# Action can be:
# * a parameter-like Hash (eg. :controller => 'projects', :action => 'edit')
# * a permission Symbol (eg. :edit_project)
# Context can be:
# * a project : returns true if user is allowed to do the specified action on this project
# * a group of projects : returns true if user is allowed on every project
# * nil with options[:global] set : check if user has at least one role allowed for this action,
# or falls back to Non Member / Anonymous permissions depending if the user is logged
def allowed_to?(action, context, options={})
if context && context.is_a?(Project)
# No action allowed on archived projects
return false unless context.active?
# No action allowed on disabled modules
return false unless context.allows_to?(action)
# Admin users are authorized for anything else
return true if admin?
roles = roles_for_project(context)
return false unless roles
roles.detect {|role| (context.is_public? || role.member?) && role.allowed_to?(action)}
elsif context && context.is_a?(Array)
# Authorize if user is authorized on every element of the array
context.map do |project|
allowed_to?(action,project,options)
end.inject do |memo,allowed|
memo && allowed
end
elsif options[:global]
# Admin users are always authorized
return true if admin?
# authorize if user has at least one role that has this permission
roles = memberships.collect {|m| m.roles}.flatten.uniq
roles.detect {|r| r.allowed_to?(action)} || (self.logged? ? Role.non_member.allowed_to?(action) : Role.anonymous.allowed_to?(action))
else
false
end
end
# Is the user allowed to do the specified action on any project?
# See allowed_to? for the actions and valid options.
def allowed_to_globally?(action, options)
allowed_to?(action, nil, options.reverse_merge(:global => true))
end
# Return user's roles for project
def roles_for_project(project)
roles = []
# No role on archived projects
return roles unless project && project.active?
if logged?
# Find project membership
membership = memberships.detect {|m| m.project_id == project.id}
if membership
roles = membership.roles
else
@role_non_member ||= Role.non_member
roles << @role_non_member
end
else
@role_anonymous ||= Role.anonymous
roles << @role_anonymous
end
roles
end
protected
# Make sure we don't try to insert NULL values (see #4632)

View File

@ -345,27 +345,6 @@ class User < Principal
!logged?
end
# Return user's roles for project
def roles_for_project(project)
roles = []
# No role on archived projects
return roles unless project && project.active?
if logged?
# Find project membership
membership = memberships.detect {|m| m.project_id == project.id}
if membership
roles = membership.roles
else
@role_non_member ||= Role.non_member
roles << @role_non_member
end
else
@role_anonymous ||= Role.anonymous
roles << @role_anonymous
end
roles
end
# Return true if the user is a member of project
def member_of?(project)
!roles_for_project(project).detect {|role| role.member?}.nil?
@ -388,53 +367,6 @@ class User < Principal
@projects_by_role
end
# Return true if the user is allowed to do the specified action on a specific context
# Action can be:
# * a parameter-like Hash (eg. :controller => 'projects', :action => 'edit')
# * a permission Symbol (eg. :edit_project)
# Context can be:
# * a project : returns true if user is allowed to do the specified action on this project
# * a group of projects : returns true if user is allowed on every project
# * nil with options[:global] set : check if user has at least one role allowed for this action,
# or falls back to Non Member / Anonymous permissions depending if the user is logged
def allowed_to?(action, context, options={})
if context && context.is_a?(Project)
# No action allowed on archived projects
return false unless context.active?
# No action allowed on disabled modules
return false unless context.allows_to?(action)
# Admin users are authorized for anything else
return true if admin?
roles = roles_for_project(context)
return false unless roles
roles.detect {|role| (context.is_public? || role.member?) && role.allowed_to?(action)}
elsif context && context.is_a?(Array)
# Authorize if user is authorized on every element of the array
context.map do |project|
allowed_to?(action,project,options)
end.inject do |memo,allowed|
memo && allowed
end
elsif options[:global]
# Admin users are always authorized
return true if admin?
# authorize if user has at least one role that has this permission
roles = memberships.collect {|m| m.roles}.flatten.uniq
roles.detect {|r| r.allowed_to?(action)} || (self.logged? ? Role.non_member.allowed_to?(action) : Role.anonymous.allowed_to?(action))
else
false
end
end
# Is the user allowed to do the specified action on any project?
# See allowed_to? for the actions and valid options.
def allowed_to_globally?(action, options)
allowed_to?(action, nil, options.reverse_merge(:global => true))
end
safe_attributes 'login',
'firstname',
'lastname',