Merge branch 'MDL-61398-master' of git://github.com/andrewnicols/moodle

This commit is contained in:
Eloy Lafuente (stronk7) 2018-03-14 11:22:17 +01:00
commit 37c9154c25
3 changed files with 528 additions and 0 deletions

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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/>.
/**
* Privacy Subsystem implementation for block_html.
*
* @package block_html
* @copyright 2018 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace block_html\privacy;
defined('MOODLE_INTERNAL') || die();
use \core_privacy\local\request\approved_contextlist;
use \core_privacy\local\request\writer;
use \core_privacy\local\request\helper;
use \core_privacy\local\request\deletion_criteria;
use \core_privacy\local\metadata\collection;
/**
* Privacy Subsystem implementation for block_html.
*
* @copyright 2018 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class provider implements
// The block_html block stores user provided data.
\core_privacy\local\metadata\provider,
// The block_html block provides data directly to core.
\core_privacy\local\request\plugin\provider {
/**
* Returns information about how block_html stores its data.
*
* @param collection $collection The initialised collection to add items to.
* @return collection A listing of user data stored through this system.
*/
public static function get_metadata(collection $collection) : collection {
$collection->link_subsystem('block', 'privacy:metadata:block');
return $collection;
}
/**
* Get the list of contexts that contain user information for the specified user.
*
* @param int $userid The user to search.
* @return contextlist $contextlist The contextlist containing the list of contexts used in this plugin.
*/
public static function get_contexts_for_userid(int $userid) : \core_privacy\local\request\contextlist {
// This block doesn't know who information is stored against unless it
// is at the user context.
$contextlist = new \core_privacy\local\request\contextlist();
$sql = "SELECT c.id
FROM {block_instances} b
INNER JOIN {context} c ON c.instanceid = b.id AND c.contextlevel = :contextblock
INNER JOIN {context} bpc ON bpc.id = b.parentcontextid
WHERE b.blockname = 'html'
AND bpc.contextlevel = :contextuser
AND bpc.instanceid = :userid";
$params = [
'contextblock' => CONTEXT_BLOCK,
'contextuser' => CONTEXT_USER,
'userid' => $userid,
];
$contextlist->add_from_sql($sql, $params);
return $contextlist;
}
/**
* Export all user data for the specified user, in the specified contexts.
*
* @param approved_contextlist $contextlist The approved contexts to export information for.
*/
public static function export_user_data(approved_contextlist $contextlist) {
global $DB;
$user = $contextlist->get_user();
list($contextsql, $contextparams) = $DB->get_in_or_equal($contextlist->get_contextids(), SQL_PARAMS_NAMED);
$sql = "SELECT
c.id AS contextid,
bi.*
FROM {context} c
INNER JOIN {block_instances} bi ON bi.id = c.instanceid AND c.contextlevel = :contextlevel
WHERE bi.blockname = 'html'
AND(
c.id {$contextsql}
)
";
$params = [
'contextlevel' => CONTEXT_BLOCK,
];
$params += $contextparams;
$instances = $DB->get_recordset_sql($sql, $params);
foreach ($instances as $instance) {
$context = \context_block::instance($instance->id);
$block = block_instance('html', $instance);
if (empty($block->config)) {
// Skip this block. It has not been configured.
continue;
}
$html = writer::with_context($context)
->rewrite_pluginfile_urls([], 'block_html', 'content', null, $block->config->text);
// Default to FORMAT_HTML which is what will have been used before the
// editor was properly implemented for the block.
$format = isset($block->config->format) ? $block->config->format : FORMAT_HTML;
$filteropt = (object) [
'overflowdiv' => true,
'noclean' => true,
];
$html = format_text($html, $format, $filteropt);
$data = helper::get_context_data($context, $user);
helper::export_context_files($context, $user);
$data->title = $block->config->title;
$data->content = $html;
writer::with_context($context)->export_data([], $data);
}
$instances->close();
}
/**
* Delete all data for all users in the specified context.
*
* @param context $context The specific context to delete data for.
*/
public static function delete_data_for_all_users_in_context(\context $context) {
// The only way to delete data for the html block is to delete the block instance itself.
blocks_delete_instance(static::get_instance_from_context($context));
}
/**
* Delete all user data for the specified user, in the specified contexts.
*
* @param approved_contextlist $contextlist The approved contexts and user information to delete information for.
*/
public static function delete_data_for_user(approved_contextlist $contextlist) {
// The only way to delete data for the html block is to delete the block instance itself.
foreach ($contextlist as $context) {
blocks_delete_instance(static::get_instance_from_context($context));
}
}
/**
* Get the block instance record for the specified context.
*
* @param \context_block $context The context to fetch
* @return \stdClass
*/
protected static function get_instance_from_context(\context_block $context) {
global $DB;
return $DB->get_record('block_instances', ['id' => $context->instanceid]);
}
}

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@ -33,3 +33,4 @@ $string['html:myaddinstance'] = 'Add a new HTML block to Dashboard';
$string['newhtmlblock'] = '(new HTML block)';
$string['pluginname'] = 'HTML';
$string['search:content'] = 'HTML block content';
$string['privacy:metadata:block'] = 'The HTML block stores all of its data within the block subsystem.';

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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/>.
/**
* Unit tests for the block_html implementation of the privacy API.
*
* @package block_html
* @category test
* @copyright 2018 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
use \core_privacy\local\request\writer;
use \core_privacy\local\request\approved_contextlist;
use \block_html\privacy\provider;
/**
* Unit tests for the block_html implementation of the privacy API.
*
* @copyright 2018 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class block_html_privacy_testcase extends \core_privacy\tests\provider_testcase {
/**
* Get the list of standard format options for comparison.
*
* @return \stdClass
*/
protected function get_format_options() {
return (object) [
'overflowdiv' => true,
'noclean' => true,
];
}
/**
* Creates an HTML block on a user.
*
* @param string $title
* @param string $body
* @param string $format
* @return \block_instance
*/
protected function create_user_block($title, $body, $format) {
global $USER;
$configdata = (object) [
'title' => $title,
'text' => [
'itemid' => 19,
'text' => $body,
'format' => $format,
],
];
$this->create_block($this->construct_user_page($USER));
$block = $this->get_last_block_on_page($this->construct_user_page($USER));
$block = block_instance('html', $block->instance);
$block->instance_config_save((object) $configdata);
return $block;
}
/**
* Creates an HTML block on a course.
*
* @param \stdClass $course
* @param string $title
* @param string $body
* @param string $format
* @return \block_instance
*/
protected function create_course_block($course, $title, $body, $format) {
global $USER;
$configdata = (object) [
'title' => $title,
'text' => [
'itemid' => 19,
'text' => $body,
'format' => $format,
],
];
$this->create_block($this->construct_course_page($course));
$block = $this->get_last_block_on_page($this->construct_course_page($course));
$block = block_instance('html', $block->instance);
$block->instance_config_save((object) $configdata);
return $block;
}
/**
* Creates an HTML block on a page.
*
* @param \page $page Page
*/
protected function create_block($page) {
$page->blocks->add_block_at_end_of_default_region('html');
}
/**
* Get the last block on the page.
*
* @param \page $page Page
* @return \block_html Block instance object
*/
protected function get_last_block_on_page($page) {
$blocks = $page->blocks->get_blocks_for_region($page->blocks->get_default_region());
$block = end($blocks);
return $block;
}
/**
* Constructs a Page object for the User Dashboard.
*
* @param \stdClass $user User to create Dashboard for.
* @return \moodle_page
*/
protected function construct_user_page(\stdClass $user) {
$page = new \moodle_page();
$page->set_context(\context_user::instance($user->id));
$page->set_pagelayout('mydashboard');
$page->set_pagetype('my-index');
$page->blocks->load_blocks();
return $page;
}
/**
* Constructs a Page object for the User Dashboard.
*
* @param \stdClass $course Course to create Dashboard for.
* @return \moodle_page
*/
protected function construct_course_page(\stdClass $course) {
$page = new \moodle_page();
$page->set_context(\context_course::instance($course->id));
$page->set_pagelayout('standard');
$page->set_pagetype('course-view');
$page->set_course($course);
$page->blocks->load_blocks();
return $page;
}
/**
* Test that a block on the dashboard is exported.
*/
public function test_user_block() {
$this->resetAfterTest();
$title = 'Example title';
$content = 'Example content';
$format = FORMAT_PLAIN;
// Test setup.
$user = $this->getDataGenerator()->create_user();
$this->setUser($user);
$block = $this->create_user_block($title, $content, $format);
$context = \context_block::instance($block->instance->id);
// Get the contexts.
$contextlist = provider::get_contexts_for_userid($user->id);
// Only the user context should be returned.
$this->assertCount(1, $contextlist);
$this->assertEquals($context, $contextlist->current());
// Export the data.
$this->export_context_data_for_user($user->id, $context, 'block_html');
$writer = \core_privacy\local\request\writer::with_context($context);
$this->assertTrue($writer->has_any_data());
// Check the data.
$data = $writer->get_data([]);
$this->assertInstanceOf('stdClass', $data);
$this->assertEquals($title, $data->title);
$this->assertEquals(format_text($content, $format, $this->get_format_options()), $data->content);
// Delete the context.
provider::delete_data_for_all_users_in_context($context);
// Re-fetch the contexts - it should no longer be returned.
$contextlist = provider::get_contexts_for_userid($user->id);
$this->assertCount(0, $contextlist);
}
/**
* Test that a block on the dashboard which is not configured is _not_ exported.
*/
public function test_user_block_unconfigured() {
global $DB;
$this->resetAfterTest();
$title = 'Example title';
$content = 'Example content';
$format = FORMAT_PLAIN;
// Test setup.
$user = $this->getDataGenerator()->create_user();
$this->setUser($user);
$block = $this->create_user_block($title, $content, $format);
$block->instance->configdata = '';
$DB->update_record('block_instances', $block->instance);
$block = block_instance('html', $block->instance);
$context = \context_block::instance($block->instance->id);
// Get the contexts.
$contextlist = provider::get_contexts_for_userid($user->id);
// Only the user context should be returned.
$this->assertCount(1, $contextlist);
$this->assertEquals($context, $contextlist->current());
// Export the data.
$this->export_context_data_for_user($user->id, $context, 'block_html');
$writer = \core_privacy\local\request\writer::with_context($context);
$this->assertFalse($writer->has_any_data());
}
/**
* Test that a block on the dashboard is exported.
*/
public function test_user_multiple_blocks_exported() {
$this->resetAfterTest();
$title = 'Example title';
$content = 'Example content';
$format = FORMAT_PLAIN;
// Test setup.
$blocks = [];
$contexts = [];
$user = $this->getDataGenerator()->create_user();
$this->setUser($user);
$block = $this->create_user_block($title, $content, $format);
$context = \context_block::instance($block->instance->id);
$contexts[$context->id] = $context;
$block = $this->create_user_block($title, $content, $format);
$context = \context_block::instance($block->instance->id);
$contexts[$context->id] = $context;
// Get the contexts.
$contextlist = provider::get_contexts_for_userid($user->id);
// There are now two blocks on the user context.
$this->assertCount(2, $contextlist);
foreach ($contextlist as $context) {
$this->assertTrue(isset($contexts[$context->id]));
}
// Turn them into an approved_contextlist.
$approvedlist = new approved_contextlist($user, 'block_html', $contextlist->get_contextids());
// Delete using delete_data_for_user.
provider::delete_data_for_user($approvedlist);
// Re-fetch the contexts - it should no longer be returned.
$contextlist = provider::get_contexts_for_userid($user->id);
$this->assertCount(0, $contextlist);
}
/**
* Test that a block on the dashboard is not exported.
*/
public function test_course_blocks_not_exported() {
$this->resetAfterTest();
$title = 'Example title';
$content = 'Example content';
$format = FORMAT_PLAIN;
// Test setup.
$user = $this->getDataGenerator()->create_user();
$course = $this->getDataGenerator()->create_course();
$this->setUser($user);
$block = $this->create_course_block($course, $title, $content, $format);
$context = \context_block::instance($block->instance->id);
// Get the contexts.
$contextlist = provider::get_contexts_for_userid($user->id);
// No blocks should be returned.
$this->assertCount(0, $contextlist);
}
/**
* Test that a block on the dashboard is exported.
*/
public function test_mixed_multiple_blocks_exported() {
$this->resetAfterTest();
$title = 'Example title';
$content = 'Example content';
$format = FORMAT_PLAIN;
// Test setup.
$contexts = [];
$user = $this->getDataGenerator()->create_user();
$course = $this->getDataGenerator()->create_course();
$this->setUser($user);
$block = $this->create_course_block($course, $title, $content, $format);
$context = \context_block::instance($block->instance->id);
$block = $this->create_user_block($title, $content, $format);
$context = \context_block::instance($block->instance->id);
$contexts[$context->id] = $context;
$block = $this->create_user_block($title, $content, $format);
$context = \context_block::instance($block->instance->id);
$contexts[$context->id] = $context;
// Get the contexts.
$contextlist = provider::get_contexts_for_userid($user->id);
// There are now two blocks on the user context.
$this->assertCount(2, $contextlist);
foreach ($contextlist as $context) {
$this->assertTrue(isset($contexts[$context->id]));
}
}
}