X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/f60df78aec5cdc02ad50661f41a7d422e63742fc..0b8f1f94be9f49e7a65f5ca84fe563918861be24:/services/api/app/models/user.rb

diff --git a/services/api/app/models/user.rb b/services/api/app/models/user.rb
index 5c15fa2330..677685d67a 100644
--- a/services/api/app/models/user.rb
+++ b/services/api/app/models/user.rb
@@ -1,13 +1,18 @@
+require 'can_be_an_owner'
+
 class User < ArvadosModel
-  include AssignUuid
+  include HasUuid
   include KindAndEtag
   include CommonApiTemplate
+  include CanBeAnOwner
+
   serialize :prefs, Hash
   has_many :api_client_authorizations
   before_update :prevent_privilege_escalation
   before_update :prevent_inactive_admin
   before_create :check_auto_admin
-  after_create AdminNotifier
+  after_create :add_system_group_permission_link
+  after_create :send_admin_notifications
 
   has_many :authorized_keys, :foreign_key => :authorized_user_uuid, :primary_key => :uuid
 
@@ -26,7 +31,7 @@ class User < ArvadosModel
   ALL_PERMISSIONS = {read: true, write: true, manage: true}
 
   def full_name
-    "#{first_name} #{last_name}"
+    "#{first_name} #{last_name}".strip
   end
 
   def is_invited
@@ -36,7 +41,11 @@ 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)
@@ -79,10 +88,11 @@ class User < ArvadosModel
         Group.where('owner_uuid in (?)', lookup_uuids).each do |group|
           newgroups << [group.owner_uuid, group.uuid, 'can_manage']
         end
-        Link.where('tail_uuid in (?) and link_class = ? and head_uuid like ?',
+        Link.where('tail_uuid in (?) and link_class = ? and (head_uuid like ? or head_uuid like ?)',
                    lookup_uuids,
                    'permission',
-                   Group.uuid_like_pattern).each do |link|
+                   Group.uuid_like_pattern,
+                   User.uuid_like_pattern).each do |link|
           newgroups << [link.tail_uuid, link.head_uuid, link.name]
         end
         newgroups.each do |tail_uuid, head_uuid, perm_name|
@@ -109,8 +119,76 @@ class User < ArvadosModel
     end
   end
 
+  def self.setup(user, openid_prefix, repo_name=nil, vm_uuid=nil)
+    return user.setup_repo_vm_links(repo_name, vm_uuid, openid_prefix)
+  end
+
+  # create links
+  def setup_repo_vm_links(repo_name, vm_uuid, openid_prefix)
+    oid_login_perm = create_oid_login_perm openid_prefix
+    repo_perm = create_user_repo_link repo_name
+    vm_login_perm = create_vm_login_permission_link vm_uuid, repo_name
+    group_perm = create_user_group_link
+
+    return [oid_login_perm, repo_perm, vm_login_perm, group_perm, self].compact
+  end
+
+  # 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
+
+    # 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
+
+    # 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
+
+    # 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
+
+    # 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
+
+    # mark the user as inactive
+    self.is_active = false
+    self.save!
+  end
+
   protected
 
+  def ensure_ownership_path_leads_to_user
+    true
+  end
+
   def permission_to_update
     # users must be able to update themselves (even if they are
     # inactive) in order to create sessions
@@ -177,4 +255,163 @@ class User < ArvadosModel
     upstream_path.delete start
     merged
   end
+
+  def create_oid_login_perm (openid_prefix)
+    login_perm_props = { "identity_url_prefix" => openid_prefix}
+
+    # Check oid_login_perm
+    oid_login_perms = Link.where(tail_uuid: self.email,
+                                   link_class: 'permission',
+                                   name: 'can_login').where("head_uuid = ?", self.uuid)
+
+    if !oid_login_perms.any?
+      # create openid login permission
+      oid_login_perm = Link.create(link_class: 'permission',
+                                   name: 'can_login',
+                                   tail_uuid: self.email,
+                                   head_uuid: self.uuid,
+                                   properties: login_perm_props
+                                  )
+      logger.info { "openid login permission: " + oid_login_perm[:uuid] }
+    else
+      oid_login_perm = oid_login_perms.first
+    end
+
+    return oid_login_perm
+  end
+
+  def create_user_repo_link(repo_name)
+    # repo_name is optional
+    if not repo_name
+      logger.warn ("Repository name not given for #{self.uuid}.")
+      return
+    end
+
+    # Check for an existing repository with the same name we're about to use.
+    repo = Repository.where(name: repo_name).first
+
+    if repo
+      logger.warn "Repository exists for #{repo_name}: #{repo[:uuid]}."
+
+      # Look for existing repository access for this repo
+      repo_perms = Link.where(tail_uuid: self.uuid,
+                              head_uuid: repo[:uuid],
+                              link_class: 'permission',
+                              name: 'can_write')
+      if repo_perms.any?
+        logger.warn "User already has repository access " +
+            repo_perms.collect { |p| p[:uuid] }.inspect
+        return repo_perms.first
+      end
+    end
+
+    # create repo, if does not already exist
+    repo ||= Repository.create(name: repo_name)
+    logger.info { "repo uuid: " + repo[:uuid] }
+
+    repo_perm = Link.create(tail_uuid: self.uuid,
+                            head_uuid: repo[:uuid],
+                            link_class: 'permission',
+                            name: 'can_write')
+    logger.info { "repo permission: " + repo_perm[:uuid] }
+    return repo_perm
+  end
+
+  # create login permission for the given vm_uuid, if it does not already exist
+  def create_vm_login_permission_link(vm_uuid, repo_name)
+    begin
+
+      # vm uuid is optional
+      if vm_uuid
+        vm = VirtualMachine.where(uuid: vm_uuid).first
+
+        if not vm
+          logger.warn "Could not find virtual machine for #{vm_uuid.inspect}"
+          raise "No vm found for #{vm_uuid}"
+        end
+      else
+        return
+      end
+
+      logger.info { "vm uuid: " + vm[:uuid] }
+
+      login_perms = Link.where(tail_uuid: self.uuid,
+                              head_uuid: vm[:uuid],
+                              link_class: 'permission',
+                              name: 'can_login')
+
+      perm_exists = false
+      login_perms.each do |perm|
+        if perm.properties['username'] == repo_name
+          perm_exists = perm
+          break
+        end
+      end
+
+      if perm_exists
+        login_perm = perm_exists
+      else
+        login_perm = Link.create(tail_uuid: self.uuid,
+                                 head_uuid: vm[:uuid],
+                                 link_class: 'permission',
+                                 name: 'can_login',
+                                 properties: {'username' => repo_name})
+        logger.info { "login permission: " + login_perm[:uuid] }
+      end
+
+      return login_perm
+    end
+  end
+
+  # add the user to the 'All users' group
+  def create_user_group_link
+    # Look up the "All users" group (we expect uuid *-*-fffffffffffffff).
+    group = Group.where(name: 'All users').select do |g|
+      g[:uuid].match /-f+$/
+    end.first
+
+    if not group
+      logger.warn "No 'All users' group with uuid '*-*-fffffffffffffff'."
+      raise "No 'All users' group with uuid '*-*-fffffffffffffff' is found"
+    else
+      logger.info { "\"All users\" group uuid: " + group[:uuid] }
+
+      group_perms = Link.where(tail_uuid: self.uuid,
+                              head_uuid: group[:uuid],
+                              link_class: 'permission',
+                              name: 'can_read')
+
+      if !group_perms.any?
+        group_perm = Link.create(tail_uuid: self.uuid,
+                                 head_uuid: group[:uuid],
+                                 link_class: 'permission',
+                                 name: 'can_read')
+        logger.info { "group permission: " + group_perm[:uuid] }
+      else
+        group_perm = group_perms.first
+      end
+
+      return group_perm
+    end
+  end
+
+  # Give the special "System group" permission to manage this user and
+  # all of this user's stuff.
+  #
+  def add_system_group_permission_link
+    act_as_system_user do
+      Link.create(link_class: 'permission',
+                  name: 'can_manage',
+                  tail_uuid: system_group_uuid,
+                  head_uuid: self.uuid)
+    end
+  end
+
+  # Send admin notifications
+  def send_admin_notifications
+    AdminNotifier.new_user(self).deliver
+    if not self.is_active then
+      AdminNotifier.new_inactive_user(self).deliver
+    end
+  end
 end