X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/975b1912434cdd158abcf2d8b882d90c57c4299e..59522bd2b1a628e090d89f71d491b76a0047fdf5:/services/api/app/models/user.rb

diff --git a/services/api/app/models/user.rb b/services/api/app/models/user.rb
index f1b5c44407..7ae95cad6c 100644
--- a/services/api/app/models/user.rb
+++ b/services/api/app/models/user.rb
@@ -13,6 +13,8 @@ class User < ArvadosModel
   before_create :check_auto_admin
   after_create :add_system_group_permission_link
   after_create :send_admin_notifications
+  after_update :send_profile_created_notification
+
 
   has_many :authorized_keys, :foreign_key => :authorized_user_uuid, :primary_key => :uuid
 
@@ -41,15 +43,23 @@ class User < ArvadosModel
   end
 
   def groups_i_can(verb)
-    self.group_permissions.select { |uuid, mask| mask[verb] }.keys
+    my_groups = self.group_permissions.select { |uuid, mask| mask[verb] }.keys
+    if verb == :read
+      my_groups << anonymous_group_uuid
+    end
+    my_groups
   end
 
   def can?(actions)
     return true if is_admin
     actions.each do |action, target|
-      target_uuid = target
-      if target.respond_to? :uuid
-        target_uuid = target.uuid
+      unless target.nil?
+        if target.respond_to? :uuid
+          target_uuid = target.uuid
+        else
+          target_uuid = target
+          target = ArvadosModel.find_by_uuid(target_uuid)
+        end
       end
       next if target_uuid == self.uuid
       next if (group_permissions[target_uuid] and
@@ -71,19 +81,30 @@ class User < ArvadosModel
   # Return a hash of {group_uuid: perm_hash} where perm_hash[:read]
   # and perm_hash[:write] are true if this user can read and write
   # objects owned by group_uuid.
+  #
+  # The permission graph is built by repeatedly enumerating all
+  # permission links reachable from self.uuid, and then calling
+  # search_permissions
   def group_permissions
     Rails.cache.fetch "groups_for_user_#{self.uuid}" do
       permissions_from = {}
       todo = {self.uuid => true}
       done = {}
+      # Build the equivalence class of permissions starting with
+      # self.uuid. On each iteration of this loop, todo contains
+      # the next set of uuids in the permission equivalence class
+      # to evaluate.
       while !todo.empty?
         lookup_uuids = todo.keys
         lookup_uuids.each do |uuid| done[uuid] = true end
         todo = {}
         newgroups = []
+        # include all groups owned by the current set of uuids.
         Group.where('owner_uuid in (?)', lookup_uuids).each do |group|
           newgroups << [group.owner_uuid, group.uuid, 'can_manage']
         end
+        # add any permission links from the current lookup_uuids to a
+        # User or Group.
         Link.where('tail_uuid in (?) and link_class = ? and (head_uuid like ? or head_uuid like ?)',
                    lookup_uuids,
                    'permission',
@@ -132,102 +153,40 @@ class User < ArvadosModel
   # delete user signatures, login, repo, and vm perms, and mark as inactive
   def unsetup
     # delete oid_login_perms for this user
-    oid_login_perms = Link.where(tail_uuid: self.email,
-                                 link_class: 'permission',
-                                 name: 'can_login')
-    oid_login_perms.each do |perm|
-      Link.delete perm
-    end
+    Link.destroy_all(tail_uuid: self.email,
+                     link_class: 'permission',
+                     name: 'can_login')
 
     # delete repo_perms for this user
-    repo_perms = Link.where(tail_uuid: self.uuid,
-                            link_class: 'permission',
-                            name: 'can_write')
-    repo_perms.each do |perm|
-      Link.delete perm
-    end
+    Link.destroy_all(tail_uuid: self.uuid,
+                     link_class: 'permission',
+                     name: 'can_manage')
 
     # delete vm_login_perms for this user
-    vm_login_perms = Link.where(tail_uuid: self.uuid,
-                                link_class: 'permission',
-                                name: 'can_login')
-    vm_login_perms.each do |perm|
-      Link.delete perm
-    end
+    Link.destroy_all(tail_uuid: self.uuid,
+                     link_class: 'permission',
+                     name: 'can_login')
 
     # delete "All users' group read permissions for this user
     group = Group.where(name: 'All users').select do |g|
       g[:uuid].match /-f+$/
     end.first
-    group_perms = Link.where(tail_uuid: self.uuid,
-                             head_uuid: group[:uuid],
-                             link_class: 'permission',
-                             name: 'can_read')
-    group_perms.each do |perm|
-      Link.delete perm
-    end
+    Link.destroy_all(tail_uuid: self.uuid,
+                     head_uuid: group[:uuid],
+                     link_class: 'permission',
+                     name: 'can_read')
 
     # delete any signatures by this user
-    signed_uuids = Link.where(link_class: 'signature',
-                              tail_uuid: self.uuid)
-    signed_uuids.each do |sign|
-      Link.delete sign
-    end
+    Link.destroy_all(link_class: 'signature',
+                     tail_uuid: self.uuid)
 
     # mark the user as inactive
     self.is_active = false
     self.save!
   end
 
-  def owns? object_uuid
-    return User.find_user_owning(object_uuid).andand.uuid == uuid
-  end
-
-  def can_manage? object_uuid
-    is_admin or
-      owns?(object_uuid) or
-      has_permission?(:can_manage, object_uuid)
-  end
-
   protected
 
-  # Returns the first User found in the ownership path for obj_uuid.
-  # If obj_uuid is not owned by any user, returns nil.
-  #
-  # TODO(twp): this code largely stolen from
-  # ArvadosModel::ensure_ownership_path_leads_to_user. See if we can
-  # refactor these methods to share more code.
-  #
-  def self.find_user_owning obj_uuid
-    uuid_in_path = {obj_uuid => true}
-    # Walk up the owner_uuid chain for obj_uuid until one of these
-    # conditions is met:
-    #   - the owner_uuid belongs to the User class
-    #   - no owner_uuid is found (no User owns this object)
-    #   - we discover an ownership cycle (a fatal consistency error)
-    #
-    x = obj_uuid
-    while (owner_class = ArvadosModel.resource_class_for_uuid(x)) != User
-      begin
-        if !owner_class.respond_to? :find_by_uuid
-          raise ActiveRecord::RecordNotFound.new
-        else
-          x = owner_class.find_by_uuid(x).owner_uuid
-        end
-      rescue ActiveRecord::RecordNotFound => e
-        # errors.add :owner_uuid, "is not owned by any user: #{e}"
-        return nil
-      end
-      # If there is an ownership cycle, we can conclude that
-      # no User owns this object.
-      if uuid_in_path[x]
-        return nil
-      end
-      uuid_in_path[x] = true
-    end
-    return owner_class.find_by_uuid(x)
-  end
-
   def ensure_ownership_path_leads_to_user
     true
   end
@@ -246,7 +205,7 @@ class User < ArvadosModel
 
   def check_auto_admin
     if User.where("uuid not like '%-000000000000000'").where(:is_admin => true).count == 0 and Rails.configuration.auto_admin_user
-      if current_user.email == Rails.configuration.auto_admin_user
+      if self.email == Rails.configuration.auto_admin_user
         self.is_admin = true
         self.is_active = true
       end
@@ -340,7 +299,7 @@ class User < ArvadosModel
       repo_perms = Link.where(tail_uuid: self.uuid,
                               head_uuid: repo[:uuid],
                               link_class: 'permission',
-                              name: 'can_write')
+                              name: 'can_manage')
       if repo_perms.any?
         logger.warn "User already has repository access " +
             repo_perms.collect { |p| p[:uuid] }.inspect
@@ -355,7 +314,7 @@ class User < ArvadosModel
     repo_perm = Link.create(tail_uuid: self.uuid,
                             head_uuid: repo[:uuid],
                             link_class: 'permission',
-                            name: 'can_write')
+                            name: 'can_manage')
     logger.info { "repo permission: " + repo_perm[:uuid] }
     return repo_perm
   end
@@ -457,4 +416,15 @@ class User < ArvadosModel
       AdminNotifier.new_inactive_user(self).deliver
     end
   end
+
+  # Send notification if the user saved profile for the first time
+  def send_profile_created_notification
+    if self.prefs_changed?
+      if self.prefs_was.andand.empty? || !self.prefs_was.andand['profile']
+        profile_notification_address = Rails.configuration.user_profile_notification_address
+        ProfileNotifier.profile_created(self, profile_notification_address).deliver if profile_notification_address
+      end
+    end
+  end
+
 end