Commit da8ac163 authored by Rémy Coutable's avatar Rémy Coutable

Merge branch 'issue_17302' into 'master'

Fix api leaking notes when user is not authorized to read noteable

fixes #17302

See merge request !4102
parents 98d88e81 5bf49bb6
......@@ -21,6 +21,7 @@ v 8.8.0 (unreleased)
- Bump mail_room to 0.7.0 to fix stuck IDLE connections
- Remove future dates from contribution calendar graph.
- Support e-mail notifications for comments on project snippets
- Fix API leak of notes of unauthorized issues, snippets and merge requests
- Use ActionDispatch Remote IP for Akismet checking
- Fix error when visiting commit builds page before build was updated
- Add 'l' shortcut to open Label dropdown on issuables and 'i' to create new issue on a project
......
......@@ -19,20 +19,24 @@ module API
# GET /projects/:id/issues/:noteable_id/notes
# GET /projects/:id/snippets/:noteable_id/notes
get ":id/#{noteables_str}/:#{noteable_id_str}/notes" do
@noteable = user_project.send(:"#{noteables_str}").find(params[:"#{noteable_id_str}"])
# We exclude notes that are cross-references and that cannot be viewed
# by the current user. By doing this exclusion at this level and not
# at the DB query level (which we cannot in that case), the current
# page can have less elements than :per_page even if
# there's more than one page.
notes =
# paginate() only works with a relation. This could lead to a
# mismatch between the pagination headers info and the actual notes
# array returned, but this is really a edge-case.
paginate(@noteable.notes).
reject { |n| n.cross_reference_not_visible_for?(current_user) }
present notes, with: Entities::Note
@noteable = user_project.send(noteables_str.to_sym).find(params[noteable_id_str.to_sym])
if can?(current_user, noteable_read_ability_name(@noteable), @noteable)
# We exclude notes that are cross-references and that cannot be viewed
# by the current user. By doing this exclusion at this level and not
# at the DB query level (which we cannot in that case), the current
# page can have less elements than :per_page even if
# there's more than one page.
notes =
# paginate() only works with a relation. This could lead to a
# mismatch between the pagination headers info and the actual notes
# array returned, but this is really a edge-case.
paginate(@noteable.notes).
reject { |n| n.cross_reference_not_visible_for?(current_user) }
present notes, with: Entities::Note
else
not_found!("Notes")
end
end
# Get a single +noteable+ note
......@@ -45,13 +49,14 @@ module API
# GET /projects/:id/issues/:noteable_id/notes/:note_id
# GET /projects/:id/snippets/:noteable_id/notes/:note_id
get ":id/#{noteables_str}/:#{noteable_id_str}/notes/:note_id" do
@noteable = user_project.send(:"#{noteables_str}").find(params[:"#{noteable_id_str}"])
@noteable = user_project.send(noteables_str.to_sym).find(params[noteable_id_str.to_sym])
@note = @noteable.notes.find(params[:note_id])
can_read_note = can?(current_user, noteable_read_ability_name(@noteable), @noteable) && !@note.cross_reference_not_visible_for?(current_user)
if @note.cross_reference_not_visible_for?(current_user)
not_found!("Note")
else
if can_read_note
present @note, with: Entities::Note
else
not_found!("Note")
end
end
......@@ -136,5 +141,11 @@ module API
end
end
end
helpers do
def noteable_read_ability_name(noteable)
"read_#{noteable.class.to_s.underscore.downcase}".to_sym
end
end
end
end
......@@ -3,7 +3,7 @@ require 'spec_helper'
describe API::API, api: true do
include ApiHelpers
let(:user) { create(:user) }
let!(:project) { create(:project, namespace: user.namespace) }
let!(:project) { create(:project, :public, namespace: user.namespace) }
let!(:issue) { create(:issue, project: project, author: user) }
let!(:merge_request) { create(:merge_request, source_project: project, target_project: project, author: user) }
let!(:snippet) { create(:project_snippet, project: project, author: user) }
......@@ -39,6 +39,7 @@ describe API::API, api: true do
context "when noteable is an Issue" do
it "should return an array of issue notes" do
get api("/projects/#{project.id}/issues/#{issue.id}/notes", user)
expect(response.status).to eq(200)
expect(json_response).to be_an Array
expect(json_response.first['body']).to eq(issue_note.note)
......@@ -46,20 +47,33 @@ describe API::API, api: true do
it "should return a 404 error when issue id not found" do
get api("/projects/#{project.id}/issues/12345/notes", user)
expect(response.status).to eq(404)
end
context "that references a private issue" do
context "and current user cannot view the notes" do
it "should return an empty array" do
get api("/projects/#{ext_proj.id}/issues/#{ext_issue.id}/notes", user)
expect(response.status).to eq(200)
expect(json_response).to be_an Array
expect(json_response).to be_empty
end
context "and issue is confidential" do
before { ext_issue.update_attributes(confidential: true) }
it "returns 404" do
get api("/projects/#{ext_proj.id}/issues/#{ext_issue.id}/notes", user)
expect(response.status).to eq(404)
end
end
context "and current user can view the note" do
it "should return an empty array" do
get api("/projects/#{ext_proj.id}/issues/#{ext_issue.id}/notes", private_user)
expect(response.status).to eq(200)
expect(json_response).to be_an Array
expect(json_response.first['body']).to eq(cross_reference_note.note)
......@@ -71,6 +85,7 @@ describe API::API, api: true do
context "when noteable is a Snippet" do
it "should return an array of snippet notes" do
get api("/projects/#{project.id}/snippets/#{snippet.id}/notes", user)
expect(response.status).to eq(200)
expect(json_response).to be_an Array
expect(json_response.first['body']).to eq(snippet_note.note)
......@@ -78,6 +93,13 @@ describe API::API, api: true do
it "should return a 404 error when snippet id not found" do
get api("/projects/#{project.id}/snippets/42/notes", user)
expect(response.status).to eq(404)
end
it "returns 404 when not authorized" do
get api("/projects/#{project.id}/snippets/#{snippet.id}/notes", private_user)
expect(response.status).to eq(404)
end
end
......@@ -85,6 +107,7 @@ describe API::API, api: true do
context "when noteable is a Merge Request" do
it "should return an array of merge_requests notes" do
get api("/projects/#{project.id}/merge_requests/#{merge_request.id}/notes", user)
expect(response.status).to eq(200)
expect(json_response).to be_an Array
expect(json_response.first['body']).to eq(merge_request_note.note)
......@@ -92,6 +115,13 @@ describe API::API, api: true do
it "should return a 404 error if merge request id not found" do
get api("/projects/#{project.id}/merge_requests/4444/notes", user)
expect(response.status).to eq(404)
end
it "returns 404 when not authorized" do
get api("/projects/#{project.id}/merge_requests/4444/notes", private_user)
expect(response.status).to eq(404)
end
end
......@@ -101,24 +131,39 @@ describe API::API, api: true do
context "when noteable is an Issue" do
it "should return an issue note by id" do
get api("/projects/#{project.id}/issues/#{issue.id}/notes/#{issue_note.id}", user)
expect(response.status).to eq(200)
expect(json_response['body']).to eq(issue_note.note)
end
it "should return a 404 error if issue note not found" do
get api("/projects/#{project.id}/issues/#{issue.id}/notes/12345", user)
expect(response.status).to eq(404)
end
context "that references a private issue" do
context "and current user cannot view the note" do
it "should return a 404 error" do
get api("/projects/#{ext_proj.id}/issues/#{ext_issue.id}/notes/#{cross_reference_note.id}", user)
expect(response.status).to eq(404)
end
context "when issue is confidential" do
before { issue.update_attributes(confidential: true) }
it "returns 404" do
get api("/projects/#{project.id}/issues/#{issue.id}/notes/#{issue_note.id}", private_user)
expect(response.status).to eq(404)
end
end
context "and current user can view the note" do
it "should return an issue note by id" do
get api("/projects/#{ext_proj.id}/issues/#{ext_issue.id}/notes/#{cross_reference_note.id}", private_user)
expect(response.status).to eq(200)
expect(json_response['body']).to eq(cross_reference_note.note)
end
......@@ -129,12 +174,14 @@ describe API::API, api: true do
context "when noteable is a Snippet" do
it "should return a snippet note by id" do
get api("/projects/#{project.id}/snippets/#{snippet.id}/notes/#{snippet_note.id}", user)
expect(response.status).to eq(200)
expect(json_response['body']).to eq(snippet_note.note)
end
it "should return a 404 error if snippet note not found" do
get api("/projects/#{project.id}/snippets/#{snippet.id}/notes/12345", user)
expect(response.status).to eq(404)
end
end
......@@ -144,6 +191,7 @@ describe API::API, api: true do
context "when noteable is an Issue" do
it "should create a new issue note" do
post api("/projects/#{project.id}/issues/#{issue.id}/notes", user), body: 'hi!'
expect(response.status).to eq(201)
expect(json_response['body']).to eq('hi!')
expect(json_response['author']['username']).to eq(user.username)
......@@ -151,11 +199,13 @@ describe API::API, api: true do
it "should return a 400 bad request error if body not given" do
post api("/projects/#{project.id}/issues/#{issue.id}/notes", user)
expect(response.status).to eq(400)
end
it "should return a 401 unauthorized error if user not authenticated" do
post api("/projects/#{project.id}/issues/#{issue.id}/notes"), body: 'hi!'
expect(response.status).to eq(401)
end
......@@ -164,6 +214,7 @@ describe API::API, api: true do
creation_time = 2.weeks.ago
post api("/projects/#{project.id}/issues/#{issue.id}/notes", user),
body: 'hi!', created_at: creation_time
expect(response.status).to eq(201)
expect(json_response['body']).to eq('hi!')
expect(json_response['author']['username']).to eq(user.username)
......@@ -176,6 +227,7 @@ describe API::API, api: true do
context "when noteable is a Snippet" do
it "should create a new snippet note" do
post api("/projects/#{project.id}/snippets/#{snippet.id}/notes", user), body: 'hi!'
expect(response.status).to eq(201)
expect(json_response['body']).to eq('hi!')
expect(json_response['author']['username']).to eq(user.username)
......@@ -183,11 +235,13 @@ describe API::API, api: true do
it "should return a 400 bad request error if body not given" do
post api("/projects/#{project.id}/snippets/#{snippet.id}/notes", user)
expect(response.status).to eq(400)
end
it "should return a 401 unauthorized error if user not authenticated" do
post api("/projects/#{project.id}/snippets/#{snippet.id}/notes"), body: 'hi!'
expect(response.status).to eq(401)
end
end
......@@ -227,6 +281,7 @@ describe API::API, api: true do
it 'should return modified note' do
put api("/projects/#{project.id}/issues/#{issue.id}/"\
"notes/#{issue_note.id}", user), body: 'Hello!'
expect(response.status).to eq(200)
expect(json_response['body']).to eq('Hello!')
end
......@@ -234,12 +289,14 @@ describe API::API, api: true do
it 'should return a 404 error when note id not found' do
put api("/projects/#{project.id}/issues/#{issue.id}/notes/12345", user),
body: 'Hello!'
expect(response.status).to eq(404)
end
it 'should return a 400 bad request error if body not given' do
put api("/projects/#{project.id}/issues/#{issue.id}/"\
"notes/#{issue_note.id}", user)
expect(response.status).to eq(400)
end
end
......@@ -248,6 +305,7 @@ describe API::API, api: true do
it 'should return modified note' do
put api("/projects/#{project.id}/snippets/#{snippet.id}/"\
"notes/#{snippet_note.id}", user), body: 'Hello!'
expect(response.status).to eq(200)
expect(json_response['body']).to eq('Hello!')
end
......@@ -255,6 +313,7 @@ describe API::API, api: true do
it 'should return a 404 error when note id not found' do
put api("/projects/#{project.id}/snippets/#{snippet.id}/"\
"notes/12345", user), body: "Hello!"
expect(response.status).to eq(404)
end
end
......@@ -263,6 +322,7 @@ describe API::API, api: true do
it 'should return modified note' do
put api("/projects/#{project.id}/merge_requests/#{merge_request.id}/"\
"notes/#{merge_request_note.id}", user), body: 'Hello!'
expect(response.status).to eq(200)
expect(json_response['body']).to eq('Hello!')
end
......@@ -270,6 +330,7 @@ describe API::API, api: true do
it 'should return a 404 error when note id not found' do
put api("/projects/#{project.id}/merge_requests/#{merge_request.id}/"\
"notes/12345", user), body: "Hello!"
expect(response.status).to eq(404)
end
end
......
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