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author | Yorick Peterse <yorickpeterse@gmail.com> | 2018-03-02 20:41:00 +0000 |
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committer | Yorick Peterse <yorickpeterse@gmail.com> | 2018-03-02 20:41:00 +0000 |
commit | 369d34c7c8e006d2568e4a1b12b6493830811270 (patch) | |
tree | bf488070115d6461a40f84bfd73b36bf27a102ce | |
parent | ddad22c4c4fde6dbec4a9224a3c2500af8bc7bf0 (diff) | |
parent | 39011be53daee921dac1648044d1e68b9706197c (diff) | |
download | gitlab-ce-369d34c7c8e006d2568e4a1b12b6493830811270.tar.gz |
Merge branch '42877-fix-visibility-change-performance' into 'master'
Revert Project.public_or_visible_to_user changes but apply change to SnippetsFinder
Closes #42877
See merge request gitlab-org/gitlab-ce!17476
-rw-r--r-- | app/finders/snippets_finder.rb | 28 | ||||
-rw-r--r-- | app/models/project.rb | 46 | ||||
-rw-r--r-- | app/models/user.rb | 9 | ||||
-rw-r--r-- | changelogs/unreleased/revert-project-visibility-changes.yml | 5 | ||||
-rw-r--r-- | spec/models/user_spec.rb | 26 |
5 files changed, 74 insertions, 40 deletions
diff --git a/app/finders/snippets_finder.rb b/app/finders/snippets_finder.rb index a73c573736e..d498a2d6d11 100644 --- a/app/finders/snippets_finder.rb +++ b/app/finders/snippets_finder.rb @@ -58,11 +58,37 @@ class SnippetsFinder < UnionFinder .public_or_visible_to_user(current_user) end + # Returns a collection of projects that is either public or visible to the + # logged in user. + # + # A caller must pass in a block to modify individual parts of + # the query, e.g. to apply .with_feature_available_for_user on top of it. + # This is useful for performance as we can stick those additional filters + # at the bottom of e.g. the UNION. + def projects_for_user + return yield(Project.public_to_user) unless current_user + + # If the current_user is allowed to see all projects, + # we can shortcut and just return. + return yield(Project.all) if current_user.full_private_access? + + authorized_projects = yield(Project.where('EXISTS (?)', current_user.authorizations_for_projects)) + + levels = Gitlab::VisibilityLevel.levels_for_user(current_user) + visible_projects = yield(Project.where(visibility_level: levels)) + + # We use a UNION here instead of OR clauses since this results in better + # performance. + union = Gitlab::SQL::Union.new([authorized_projects.select('projects.id'), visible_projects.select('projects.id')]) + + Project.from("(#{union.to_sql}) AS #{Project.table_name}") + end + def feature_available_projects # Don't return any project related snippets if the user cannot read cross project return table[:id].eq(nil) unless Ability.allowed?(current_user, :read_cross_project) - projects = Project.public_or_visible_to_user(current_user, use_where_in: false) do |part| + projects = projects_for_user do |part| part.with_feature_available_for_user(:snippets, current_user) end.select(:id) diff --git a/app/models/project.rb b/app/models/project.rb index ba278a49688..5b1f8b2658b 100644 --- a/app/models/project.rb +++ b/app/models/project.rb @@ -317,42 +317,13 @@ class Project < ActiveRecord::Base # Returns a collection of projects that is either public or visible to the # logged in user. - # - # A caller may pass in a block to modify individual parts of - # the query, e.g. to apply .with_feature_available_for_user on top of it. - # This is useful for performance as we can stick those additional filters - # at the bottom of e.g. the UNION. - # - # Optionally, turning `use_where_in` off leads to returning a - # relation using #from instead of #where. This can perform much better - # but leads to trouble when used in conjunction with AR's #merge method. - def self.public_or_visible_to_user(user = nil, use_where_in: true, &block) - # If we don't get a block passed, use identity to avoid if/else repetitions - block = ->(part) { part } unless block_given? - - return block.call(public_to_user) unless user - - # If the user is allowed to see all projects, - # we can shortcut and just return. - return block.call(all) if user.full_private_access? - - authorized = user - .project_authorizations - .select(1) - .where('project_authorizations.project_id = projects.id') - authorized_projects = block.call(where('EXISTS (?)', authorized)) - - levels = Gitlab::VisibilityLevel.levels_for_user(user) - visible_projects = block.call(where(visibility_level: levels)) - - # We use a UNION here instead of OR clauses since this results in better - # performance. - union = Gitlab::SQL::Union.new([authorized_projects.select('projects.id'), visible_projects.select('projects.id')]) - - if use_where_in - where("projects.id IN (#{union.to_sql})") # rubocop:disable GitlabSecurity/SqlInjection + def self.public_or_visible_to_user(user = nil) + if user + where('EXISTS (?) OR projects.visibility_level IN (?)', + user.authorizations_for_projects, + Gitlab::VisibilityLevel.levels_for_user(user)) else - from("(#{union.to_sql}) AS #{table_name}") + public_to_user end end @@ -371,14 +342,11 @@ class Project < ActiveRecord::Base elsif user column = ProjectFeature.quoted_access_level_column(feature) - authorized = user.project_authorizations.select(1) - .where('project_authorizations.project_id = projects.id') - with_project_feature .where("#{column} IN (?) OR (#{column} = ? AND EXISTS (?))", visible, ProjectFeature::PRIVATE, - authorized) + user.authorizations_for_projects) else with_feature_access_level(feature, visible) end diff --git a/app/models/user.rb b/app/models/user.rb index 9547506d33d..9c60adf0c90 100644 --- a/app/models/user.rb +++ b/app/models/user.rb @@ -601,6 +601,15 @@ class User < ActiveRecord::Base authorized_projects(min_access_level).exists?({ id: project.id }) end + # Typically used in conjunction with projects table to get projects + # a user has been given access to. + # + # Example use: + # `Project.where('EXISTS(?)', user.authorizations_for_projects)` + def authorizations_for_projects + project_authorizations.select(1).where('project_authorizations.project_id = projects.id') + end + # Returns the projects this user has reporter (or greater) access to, limited # to at most the given projects. # diff --git a/changelogs/unreleased/revert-project-visibility-changes.yml b/changelogs/unreleased/revert-project-visibility-changes.yml new file mode 100644 index 00000000000..df44fdb79b1 --- /dev/null +++ b/changelogs/unreleased/revert-project-visibility-changes.yml @@ -0,0 +1,5 @@ +--- +title: Revert Project.public_or_visible_to_user changes and only apply to snippets +merge_request: +author: +type: fixed diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb index 3531de244bd..00b5226d874 100644 --- a/spec/models/user_spec.rb +++ b/spec/models/user_spec.rb @@ -1635,6 +1635,32 @@ describe User do end end + describe '#authorizations_for_projects' do + let!(:user) { create(:user) } + subject { Project.where("EXISTS (?)", user.authorizations_for_projects) } + + it 'includes projects that belong to a user, but no other projects' do + owned = create(:project, :private, namespace: user.namespace) + member = create(:project, :private).tap { |p| p.add_master(user) } + other = create(:project) + + expect(subject).to include(owned) + expect(subject).to include(member) + expect(subject).not_to include(other) + end + + it 'includes projects a user has access to, but no other projects' do + other_user = create(:user) + accessible = create(:project, :private, namespace: other_user.namespace) do |project| + project.add_developer(user) + end + other = create(:project) + + expect(subject).to include(accessible) + expect(subject).not_to include(other) + end + end + describe '#authorized_projects', :delete do context 'with a minimum access level' do it 'includes projects for which the user is an owner' do |