229 lines
8 KiB
Ruby
229 lines
8 KiB
Ruby
# Copyright (c) 2010, Diaspora Inc. This file is
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# licensed under the Affero General Public License version 3 or later. See
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# the COPYRIGHT file.
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require 'spec_helper'
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describe "attack vectors" do
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let(:user) { Factory.create(:user_with_aspect) }
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let(:aspect) { user.aspects.first }
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let(:bad_user) { Factory.create(:user)}
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let(:user2) { eve }
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let(:aspect2) { user2.aspects.first }
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let(:user3) { Factory.create(:user) }
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let(:aspect3) { user3.aspects.create(:name => 'heroes') }
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context 'non-contact valid user' do
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it 'does not save a post from a non-contact' do
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post_from_non_contact = bad_user.build_post( :status_message, :text => 'hi')
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salmon_xml = bad_user.salmon(post_from_non_contact).xml_for(user.person)
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post_from_non_contact.delete
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bad_user.delete
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post_count = Post.count
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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user.visible_posts.include?(post_from_non_contact).should be_false
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Post.count.should == post_count
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end
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end
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it 'does not let a user attach to posts previously in the db unless its received from the author' do
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connect_users(user, aspect, user3, aspect3)
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original_message = user2.post :status_message, :text => 'store this!', :to => aspect2.id
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original_message.diaspora_handle = user.diaspora_handle
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user3.contacts.create(:person => user2.person, :aspects => [user3.aspects.first])
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salmon_xml = user.salmon(original_message).xml_for(user3.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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user3.reload.visible_posts.should_not include(StatusMessage.find(original_message.id))
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end
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context 'malicious contact attack vector' do
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before do
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connect_users(user, aspect, user2, aspect2)
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connect_users(user, aspect, user3, aspect3)
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end
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describe 'mass assignment on id' do
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it "does not save a message over an old message with a different author" do
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original_message = user2.post :status_message, :text => 'store this!', :to => aspect2.id
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salmon_xml = user2.salmon(original_message).xml_for(user.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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malicious_message = Factory.build(:status_message, :id => original_message.id, :text => 'BAD!!!', :author => user3.person)
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salmon_xml = user3.salmon(malicious_message).xml_for(user.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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original_message.reload.text.should == "store this!"
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end
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it 'does not save a message over an old message with the same author' do
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original_message = user2.post :status_message, :text => 'store this!', :to => aspect2.id
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salmon_xml = user2.salmon(original_message).xml_for(user.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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lambda {
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malicious_message = Factory.build( :status_message, :id => original_message.id, :text => 'BAD!!!', :author => user2.person)
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salmon_xml2 = user3.salmon(malicious_message).xml_for(user.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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}.should_not change{user.reload.visible_posts.count}
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original_message.reload.text.should == "store this!"
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user.visible_posts.first.text.should == "store this!"
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end
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end
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it 'should not overwrite another persons profile profile' do
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profile = user2.profile.clone
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profile.first_name = "Not BOB"
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user2.reload
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first_name = user2.profile.first_name
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salmon_xml = user3.salmon(profile).xml_for(user.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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user2.reload
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user2.profile.first_name.should == first_name
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end
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it "ignores retractions on a post not owned by the retraction's sender" do
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StatusMessage.delete_all
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original_message = user2.post :status_message, :text => 'store this!', :to => aspect2.id
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salmon_xml = user2.salmon(original_message).xml_for(user.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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user.visible_posts.count.should == 1
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StatusMessage.count.should == 1
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ret = Retraction.new
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ret.post_guid = original_message.guid
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ret.diaspora_handle = user3.person.diaspora_handle
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ret.type = original_message.class.to_s
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salmon_xml = user3.salmon(ret).xml_for(user.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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StatusMessage.count.should == 1
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user.visible_posts.count.should == 1
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end
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it "disregards retractions for non-existent posts that are from someone other than the post's author" do
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StatusMessage.delete_all
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original_message = user2.post :status_message, :text => 'store this!', :to => aspect2.id
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id = original_message.reload.id
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ret = Retraction.new
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ret.post_guid = original_message.guid
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ret.diaspora_handle = user3.person.diaspora_handle
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ret.type = original_message.class.to_s
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original_message.delete
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StatusMessage.count.should == 0
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proc {
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salmon_xml = user3.salmon(ret).xml_for(user.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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}.should_not raise_error
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end
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it 'should not receive retractions where the retractor and the salmon author do not match' do
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original_message = user2.post :status_message, :text => 'store this!', :to => aspect2.id
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salmon_xml = user2.salmon(original_message).xml_for(user.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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user.visible_posts.count.should == 1
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ret = Retraction.new
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ret.post_guid = original_message.guid
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ret.diaspora_handle = user2.person.diaspora_handle
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ret.type = original_message.class.to_s
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lambda {
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salmon_xml = user3.salmon(ret).xml_for(user.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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}.should_not change(StatusMessage, :count)
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user.reload.visible_posts.count.should == 1
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end
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it 'it should not allow you to send retractions for other people' do
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ret = Retraction.new
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ret.post_guid = user2.person.guid
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ret.diaspora_handle = user3.person.diaspora_handle
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ret.type = user2.person.class.to_s
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proc{
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salmon_xml = user3.salmon(ret).xml_for(user.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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}.should_not change{user.reload.contacts.count}
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end
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it 'it should not allow you to send retractions with xml and salmon handle mismatch' do
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ret = Retraction.new
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ret.post_guid = user2.person.guid
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ret.diaspora_handle = user2.person.diaspora_handle
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ret.type = user2.person.class.to_s
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proc{
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salmon_xml = user3.salmon(ret).xml_for(user.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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}.should_not change{user.reload.contacts.count}
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end
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it 'does not let me update other persons post' do
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original_message = user2.post(:photo, :user_file => uploaded_photo, :text => "store this!", :to => aspect2.id)
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salmon_xml = user2.salmon(original_message).xml_for(user.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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original_message.diaspora_handle = user3.diaspora_handle
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original_message.text= "bad bad bad"
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salmon_xml = user3.salmon(original_message).xml_for(user.person)
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zord = Postzord::Receiver::Private.new(user, :salmon_xml => salmon_xml)
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zord.perform
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original_message.reload.text.should == "store this!"
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end
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end
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end
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