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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Data provider tests.
*
* @package logstore_standard
* @category test
* @copyright 2018 Frédéric Massart
* @author Frédéric Massart <fred@branchup.tech>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
use core_privacy\tests\provider_testcase;
use core_privacy\local\request\contextlist;
use core_privacy\local\request\approved_contextlist;
use core_privacy\local\request\transform;
use core_privacy\local\request\writer;
use logstore_standard\privacy\provider;
require_once(__DIR__ . '/fixtures/event.php');
/**
* Data provider testcase class.
*
* @package logstore_standard
* @category test
* @copyright 2018 Frédéric Massart
* @author Frédéric Massart <fred@branchup.tech>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class logstore_standard_privacy_testcase extends provider_testcase {
public function setUp() {
$this->resetAfterTest();
$this->preventResetByRollback(); // Logging waits till the transaction gets committed.
}
public function test_get_contexts_for_userid() {
$admin = \core_user::get_user(2);
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$u3 = $this->getDataGenerator()->create_user();
$c1 = $this->getDataGenerator()->create_course();
$cm1 = $this->getDataGenerator()->create_module('url', ['course' => $c1]);
$c2 = $this->getDataGenerator()->create_course();
$cm2 = $this->getDataGenerator()->create_module('url', ['course' => $c2]);
$sysctx = context_system::instance();
$c1ctx = context_course::instance($c1->id);
$c2ctx = context_course::instance($c2->id);
$cm1ctx = context_module::instance($cm1->cmid);
$cm2ctx = context_module::instance($cm2->cmid);
$this->enable_logging();
$manager = get_log_manager(true);
// User 1 is the author.
$this->setUser($u1);
$this->assert_contextlist_equals($this->get_contextlist_for_user($u1), []);
$e = \logstore_standard\event\unittest_executed::create(['context' => $cm1ctx]);
$e->trigger();
$this->assert_contextlist_equals($this->get_contextlist_for_user($u1), [$cm1ctx]);
// User 2 is the related user.
$this->setUser(0);
$this->assert_contextlist_equals($this->get_contextlist_for_user($u2), []);
$e = \logstore_standard\event\unittest_executed::create(['context' => $cm2ctx, 'relateduserid' => $u2->id]);
$e->trigger();
$this->assert_contextlist_equals($this->get_contextlist_for_user($u2), [$cm2ctx]);
// Admin user is the real user.
$this->assert_contextlist_equals($this->get_contextlist_for_user($admin), []);
$this->assert_contextlist_equals($this->get_contextlist_for_user($u3), []);
$this->setAdminUser();
\core\session\manager::loginas($u3->id, $sysctx);
$e = \logstore_standard\event\unittest_executed::create(['context' => $c1ctx]);
$e->trigger();
$this->assert_contextlist_equals($this->get_contextlist_for_user($admin), [$sysctx, $c1ctx]);
$this->assert_contextlist_equals($this->get_contextlist_for_user($u3), [$sysctx, $c1ctx]);
// By admin user masquerading u1 related to u3.
$this->assert_contextlist_equals($this->get_contextlist_for_user($u1), [$cm1ctx]);
$this->assert_contextlist_equals($this->get_contextlist_for_user($u3), [$sysctx, $c1ctx]);
$this->assert_contextlist_equals($this->get_contextlist_for_user($admin), [$sysctx, $c1ctx]);
$this->setAdminUser();
\core\session\manager::loginas($u1->id, context_system::instance());
$e = \logstore_standard\event\unittest_executed::create(['context' => $c2ctx, 'relateduserid' => $u3->id]);
$e->trigger();
$this->assert_contextlist_equals($this->get_contextlist_for_user($u1), [$sysctx, $cm1ctx, $c2ctx]);
$this->assert_contextlist_equals($this->get_contextlist_for_user($u3), [$sysctx, $c1ctx, $c2ctx]);
$this->assert_contextlist_equals($this->get_contextlist_for_user($admin), [$sysctx, $c1ctx, $c2ctx]);
}
public function test_add_userids_for_context() {
$admin = \core_user::get_user(2);
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$u3 = $this->getDataGenerator()->create_user();
$u4 = $this->getDataGenerator()->create_user();
$c1 = $this->getDataGenerator()->create_course();
$sysctx = context_system::instance();
$c1ctx = context_course::instance($c1->id);
$this->enable_logging();
$manager = get_log_manager(true);
$userlist = new \core_privacy\local\request\userlist($sysctx, 'logstore_standard_log');
$userids = $userlist->get_userids();
$this->assertEmpty($userids);
provider::add_userids_for_context($userlist);
$userids = $userlist->get_userids();
$this->assertEmpty($userids);
// User one should be added (userid).
$this->setUser($u1);
$e = \logstore_standard\event\unittest_executed::create(['context' => $sysctx]);
$e->trigger();
// User two (userids) and three (relateduserid) should be added.
$this->setUser($u2);
$e = \logstore_standard\event\unittest_executed::create(['context' => $sysctx, 'relateduserid' => $u3->id]);
$e->trigger();
// The admin user should be added (realuserid).
$this->setAdminUser();
\core\session\manager::loginas($u2->id, context_system::instance());
$e = \logstore_standard\event\unittest_executed::create(['context' => $sysctx]);
$e->trigger();
// Set off an event in a different context. User 4 should not be returned below.
$this->setUser($u4);
$e = \logstore_standard\event\unittest_executed::create(['context' => $c1ctx]);
$e->trigger();
provider::add_userids_for_context($userlist);
$userids = $userlist->get_userids();
$this->assertCount(4, $userids);
$expectedresult = [$admin->id, $u1->id, $u2->id, $u3->id];
$this->assertEmpty(array_diff($expectedresult, $userids));
}
public function test_delete_data_for_user() {
global $DB;
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$c1 = $this->getDataGenerator()->create_course();
$c2 = $this->getDataGenerator()->create_course();
$sysctx = context_system::instance();
$c1ctx = context_course::instance($c1->id);
$c2ctx = context_course::instance($c2->id);
$this->enable_logging();
$manager = get_log_manager(true);
// User 1 is the author.
$this->setUser($u1);
$e = \logstore_standard\event\unittest_executed::create(['context' => $c1ctx]);
$e->trigger();
$e = \logstore_standard\event\unittest_executed::create(['context' => $c1ctx]);
$e->trigger();
$e = \logstore_standard\event\unittest_executed::create(['context' => $c2ctx]);
$e->trigger();
// User 2 is the author.
$this->setUser($u2);
$e = \logstore_standard\event\unittest_executed::create(['context' => $c1ctx]);
$e->trigger();
$e = \logstore_standard\event\unittest_executed::create(['context' => $c2ctx]);
$e->trigger();
// Confirm data present.
$this->assertTrue($DB->record_exists('logstore_standard_log', ['userid' => $u1->id, 'contextid' => $c1ctx->id]));
$this->assertEquals(3, $DB->count_records('logstore_standard_log', ['userid' => $u1->id]));
$this->assertEquals(2, $DB->count_records('logstore_standard_log', ['userid' => $u2->id]));
// Delete all the things!
provider::delete_data_for_user(new approved_contextlist($u1, 'logstore_standard', [$c1ctx->id]));
$this->assertFalse($DB->record_exists('logstore_standard_log', ['userid' => $u1->id, 'contextid' => $c1ctx->id]));
$this->assertEquals(1, $DB->count_records('logstore_standard_log', ['userid' => $u1->id]));
$this->assertEquals(2, $DB->count_records('logstore_standard_log', ['userid' => $u2->id]));
}
public function test_delete_data_for_all_users_in_context() {
global $DB;
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$c1 = $this->getDataGenerator()->create_course();
$c2 = $this->getDataGenerator()->create_course();
$sysctx = context_system::instance();
$c1ctx = context_course::instance($c1->id);
$c2ctx = context_course::instance($c2->id);
$this->enable_logging();
$manager = get_log_manager(true);
// User 1 is the author.
$this->setUser($u1);
$e = \logstore_standard\event\unittest_executed::create(['context' => $c1ctx]);
$e->trigger();
$e = \logstore_standard\event\unittest_executed::create(['context' => $c1ctx]);
$e->trigger();
$e = \logstore_standard\event\unittest_executed::create(['context' => $c2ctx]);
$e->trigger();
// User 2 is the author.
$this->setUser($u2);
$e = \logstore_standard\event\unittest_executed::create(['context' => $c1ctx]);
$e->trigger();
$e = \logstore_standard\event\unittest_executed::create(['context' => $c2ctx]);
$e->trigger();
// Confirm data present.
$this->assertTrue($DB->record_exists('logstore_standard_log', ['contextid' => $c1ctx->id]));
$this->assertEquals(3, $DB->count_records('logstore_standard_log', ['userid' => $u1->id]));
$this->assertEquals(2, $DB->count_records('logstore_standard_log', ['userid' => $u2->id]));
// Delete all the things!
provider::delete_data_for_all_users_in_context($c1ctx);
$this->assertFalse($DB->record_exists('logstore_standard_log', ['contextid' => $c1ctx->id]));
$this->assertEquals(1, $DB->count_records('logstore_standard_log', ['userid' => $u1->id]));
$this->assertEquals(1, $DB->count_records('logstore_standard_log', ['userid' => $u2->id]));
}
public function test_delete_data_for_userlist() {
global $DB;
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$u3 = $this->getDataGenerator()->create_user();
$u4 = $this->getDataGenerator()->create_user();
$course = $this->getDataGenerator()->create_course();
$sysctx = context_system::instance();
$c1ctx = context_course::instance($course->id);
$this->enable_logging();
$manager = get_log_manager(true);
$this->setUser($u1);
$e = \logstore_standard\event\unittest_executed::create(['context' => $sysctx]);
$e->trigger();
$this->setUser($u2);
$e = \logstore_standard\event\unittest_executed::create(['context' => $sysctx]);
$e->trigger();
$this->setUser($u3);
$e = \logstore_standard\event\unittest_executed::create(['context' => $sysctx]);
$e->trigger();
$this->setUser($u4);
$e = \logstore_standard\event\unittest_executed::create(['context' => $c1ctx]);
$e->trigger();
// Check that four records were created.
$this->assertEquals(4, $DB->count_records('logstore_standard_log'));
$userlist = new \core_privacy\local\request\approved_userlist($sysctx, 'logstore_standard_log', [$u1->id, $u3->id]);
provider::delete_data_for_userlist($userlist);
// We should have a record for u2 and u4.
$this->assertEquals(2, $DB->count_records('logstore_standard_log'));
$records = $DB->get_records('logstore_standard_log', ['contextid' => $sysctx->id]);
$this->assertCount(1, $records);
$currentrecord = array_shift($records);
$this->assertEquals($u2->id, $currentrecord->userid);
}
public function test_export_data_for_user() {
$admin = \core_user::get_user(2);
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$u3 = $this->getDataGenerator()->create_user();
$u4 = $this->getDataGenerator()->create_user();
$c1 = $this->getDataGenerator()->create_course();
$cm1 = $this->getDataGenerator()->create_module('url', ['course' => $c1]);
$c2 = $this->getDataGenerator()->create_course();
$cm2 = $this->getDataGenerator()->create_module('url', ['course' => $c2]);
$sysctx = context_system::instance();
$c1ctx = context_course::instance($c1->id);
$c2ctx = context_course::instance($c2->id);
$cm1ctx = context_module::instance($cm1->cmid);
$cm2ctx = context_module::instance($cm2->cmid);
$path = [get_string('privacy:path:logs', 'tool_log'), get_string('pluginname', 'logstore_standard')];
$this->enable_logging();
$manager = get_log_manager(true);
// User 1 is the author.
$this->setUser($u1);
$e = \logstore_standard\event\unittest_executed::create(['context' => $c1ctx, 'other' => ['i' => 0]]);
$e->trigger();
// User 2 is related.
$this->setUser(0);
$e = \logstore_standard\event\unittest_executed::create(['context' => $c1ctx, 'relateduserid' => $u2->id,
'other' => ['i' => 1]]);
$e->trigger();
// Admin user masquerades u3, which is related to u4.
$this->setAdminUser();
\core\session\manager::loginas($u3->id, $sysctx);
$e = \logstore_standard\event\unittest_executed::create(['context' => $c1ctx, 'relateduserid' => $u4->id,
'other' => ['i' => 2]]);
$e->trigger();
// Confirm data present for u1.
provider::export_user_data(new approved_contextlist($u1, 'logstore_standard', [$c2ctx->id, $c1ctx->id]));
$data = writer::with_context($c2ctx)->get_data($path);
$this->assertEmpty($data);
$data = writer::with_context($c1ctx)->get_data($path);
$this->assertCount(1, $data->logs);
$this->assertEquals(transform::yesno(true), $data->logs[0]['author_of_the_action_was_you']);
$this->assertSame(0, $data->logs[0]['other']['i']);
// Confirm data present for u2.
writer::reset();
provider::export_user_data(new approved_contextlist($u2, 'logstore_standard', [$c2ctx->id, $c1ctx->id]));
$data = writer::with_context($c2ctx)->get_data($path);
$this->assertEmpty($data);
$data = writer::with_context($c1ctx)->get_data($path);
$this->assertCount(1, $data->logs);
$this->assertEquals(transform::yesno(false), $data->logs[0]['author_of_the_action_was_you']);
$this->assertEquals(transform::yesno(true), $data->logs[0]['related_user_was_you']);
$this->assertSame(1, $data->logs[0]['other']['i']);
// Confirm data present for u3.
writer::reset();
provider::export_user_data(new approved_contextlist($u3, 'logstore_standard', [$c2ctx->id, $c1ctx->id]));
$data = writer::with_context($c2ctx)->get_data($path);
$this->assertEmpty($data);
$data = writer::with_context($c1ctx)->get_data($path);
$this->assertCount(1, $data->logs);
$this->assertEquals(transform::yesno(true), $data->logs[0]['author_of_the_action_was_you']);
$this->assertEquals(transform::yesno(false), $data->logs[0]['related_user_was_you']);
$this->assertEquals(transform::yesno(true), $data->logs[0]['author_of_the_action_was_masqueraded']);
$this->assertEquals(transform::yesno(false), $data->logs[0]['masquerading_user_was_you']);
$this->assertSame(2, $data->logs[0]['other']['i']);
// Confirm data present for u4.
writer::reset();
provider::export_user_data(new approved_contextlist($u4, 'logstore_standard', [$c2ctx->id, $c1ctx->id]));
$data = writer::with_context($c2ctx)->get_data($path);
$this->assertEmpty($data);
$data = writer::with_context($c1ctx)->get_data($path);
$this->assertCount(1, $data->logs);
$this->assertEquals(transform::yesno(false), $data->logs[0]['author_of_the_action_was_you']);
$this->assertEquals(transform::yesno(true), $data->logs[0]['related_user_was_you']);
$this->assertEquals(transform::yesno(true), $data->logs[0]['author_of_the_action_was_masqueraded']);
$this->assertEquals(transform::yesno(false), $data->logs[0]['masquerading_user_was_you']);
$this->assertSame(2, $data->logs[0]['other']['i']);
// Add anonymous events.
$this->setUser($u1);
$e = \logstore_standard\event\unittest_executed::create(['context' => $c2ctx, 'relateduserid' => $u2->id,
'anonymous' => true]);
$e->trigger();
$this->setAdminUser();
\core\session\manager::loginas($u3->id, $sysctx);
$e = \logstore_standard\event\unittest_executed::create(['context' => $c2ctx, 'relateduserid' => $u4->id,
'anonymous' => true]);
$e->trigger();
// Confirm data present for u1.
provider::export_user_data(new approved_contextlist($u1, 'logstore_standard', [$c2ctx->id]));
$data = writer::with_context($c2ctx)->get_data($path);
$this->assertCount(1, $data->logs);
$this->assertEquals(transform::yesno(true), $data->logs[0]['action_was_done_anonymously']);
$this->assertEquals(transform::yesno(true), $data->logs[0]['author_of_the_action_was_you']);
// Confirm data present for u2.
writer::reset();
provider::export_user_data(new approved_contextlist($u2, 'logstore_standard', [$c2ctx->id]));
$data = writer::with_context($c2ctx)->get_data($path);
$this->assertCount(1, $data->logs);
$this->assertEquals(transform::yesno(true), $data->logs[0]['action_was_done_anonymously']);
$this->assertArrayNotHasKey('author_of_the_action_was_you', $data->logs[0]);
$this->assertArrayNotHasKey('authorid', $data->logs[0]);
$this->assertEquals(transform::yesno(true), $data->logs[0]['related_user_was_you']);
// Confirm data present for u3.
writer::reset();
provider::export_user_data(new approved_contextlist($u3, 'logstore_standard', [$c2ctx->id]));
$data = writer::with_context($c2ctx)->get_data($path);
$this->assertCount(1, $data->logs);
$this->assertEquals(transform::yesno(true), $data->logs[0]['action_was_done_anonymously']);
$this->assertEquals(transform::yesno(true), $data->logs[0]['author_of_the_action_was_you']);
$this->assertEquals(transform::yesno(true), $data->logs[0]['author_of_the_action_was_masqueraded']);
$this->assertArrayNotHasKey('masquerading_user_was_you', $data->logs[0]);
$this->assertArrayNotHasKey('masqueradinguserid', $data->logs[0]);
// Confirm data present for u4.
writer::reset();
provider::export_user_data(new approved_contextlist($u4, 'logstore_standard', [$c2ctx->id]));
$data = writer::with_context($c2ctx)->get_data($path);
$this->assertCount(1, $data->logs);
$this->assertEquals(transform::yesno(true), $data->logs[0]['action_was_done_anonymously']);
$this->assertArrayNotHasKey('author_of_the_action_was_you', $data->logs[0]);
$this->assertArrayNotHasKey('authorid', $data->logs[0]);
$this->assertEquals(transform::yesno(true), $data->logs[0]['related_user_was_you']);
$this->assertEquals(transform::yesno(true), $data->logs[0]['author_of_the_action_was_masqueraded']);
$this->assertArrayNotHasKey('masquerading_user_was_you', $data->logs[0]);
$this->assertArrayNotHasKey('masqueradinguserid', $data->logs[0]);
}
/**
* Assert the content of a context list.
*
* @param contextlist $contextlist The collection.
* @param array $expected List of expected contexts or IDs.
* @return void
*/
protected function assert_contextlist_equals($contextlist, array $expected) {
$expectedids = array_map(function($context) {
if (is_object($context)) {
return $context->id;
}
return $context;
}, $expected);
$contextids = array_map('intval', $contextlist->get_contextids());
sort($contextids);
sort($expectedids);
$this->assertEquals($expectedids, $contextids);
}
/**
* Enable logging.
*
* @return void
*/
protected function enable_logging() {
set_config('enabled_stores', 'logstore_standard', 'tool_log');
set_config('buffersize', 0, 'logstore_standard');
set_config('logguests', 1, 'logstore_standard');
}
/**
* Get the contextlist for a user.
*
* @param object $user The user.
* @return contextlist
*/
protected function get_contextlist_for_user($user) {
$contextlist = new contextlist();
provider::add_contexts_for_userid($contextlist, $user->id);
return $contextlist;
}
}