/** * Classify a post as spam (and report it) or ham * * @param \mod_forum\event\post_created $event The event. * @return void */ protected static function classifyAndReportSpam(\mod_forum\event\post_created $event) { $snapshot = $event->get_record_snapshot('forum_posts', $event->objectid); $text = $snapshot->subject . ' ' . $snapshot->message; $config = get_config('local_solr'); $curl = new \curl(); $result = $curl->post($config->spamclassifierhost . ':' . $config->spamclassifierport, array('text' => $text)); if ($result_decoded = json_decode($result)) { if ($result_decoded['cat'] == 'spam') { require_once $CFG->dirroot . '/blocks/spam_deletion/lib.php'; $postspam = new \forum_post_spam($event->objectid); $postspam->register_vote(2); } } }
$message .= get_string("postmailnow", "forum"); $timemessage = 4; } else { $message .= '<p>' . get_string("postaddedsuccess", "forum") . '</p>'; $message .= '<p>' . get_string("postaddedtimeleft", "forum", format_time($CFG->maxeditingtime)) . '</p>'; } if ($forum->type == 'single') { // Single discussion forums are an exception. We show // the forum itself since it only has one discussion // thread. $discussionurl = "view.php?f={$forum->id}"; } else { $discussionurl = "discuss.php?d={$discussion->id}"; } $params = array('context' => $modcontext, 'objectid' => $fromform->id, 'other' => array('discussionid' => $discussion->id, 'forumid' => $forum->id, 'forumtype' => $forum->type)); $event = \mod_forum\event\post_created::create($params); $event->add_record_snapshot('forum_posts', $fromform); $event->add_record_snapshot('forum_discussions', $discussion); $event->trigger(); // Update completion state $completion = new completion_info($course); if ($completion->is_enabled($cm) && ($forum->completionreplies || $forum->completionposts)) { $completion->update_state($cm, COMPLETION_COMPLETE); } redirect(forum_go_back_to("{$discussionurl}#p{$fromform->id}"), $message . $subscribemessage, $timemessage); } else { print_error("couldnotadd", "forum", $errordestination); } exit; } else { // Adding a new discussion.
/** * Test the post_created event for a single discussion forum. */ public function test_post_created_single() { // Setup test data. $course = $this->getDataGenerator()->create_course(); $forum = $this->getDataGenerator()->create_module('forum', array('course' => $course->id, 'type' => 'single')); $user = $this->getDataGenerator()->create_user(); // Add a discussion. $record = array(); $record['course'] = $course->id; $record['forum'] = $forum->id; $record['userid'] = $user->id; $discussion = $this->getDataGenerator()->get_plugin_generator('mod_forum')->create_discussion($record); // Add a post. $record = array(); $record['discussion'] = $discussion->id; $record['userid'] = $user->id; $post = $this->getDataGenerator()->get_plugin_generator('mod_forum')->create_post($record); $context = context_module::instance($forum->cmid); $params = array('context' => $context, 'objectid' => $post->id, 'other' => array('discussionid' => $discussion->id, 'forumid' => $forum->id, 'forumtype' => $forum->type)); $event = \mod_forum\event\post_created::create($params); // Trigger and capturing the event. $sink = $this->redirectEvents(); $event->trigger(); $events = $sink->get_events(); $this->assertCount(1, $events); $event = reset($events); // Checking that the event contains the expected values. $this->assertInstanceOf('\\mod_forum\\event\\post_created', $event); $this->assertEquals($context, $event->get_context()); $expected = array($course->id, 'forum', 'add post', "view.php?f={$forum->id}#p{$post->id}", $forum->id, $forum->cmid); $this->assertEventLegacyLogData($expected, $event); $url = new \moodle_url('/mod/forum/view.php', array('f' => $forum->id)); $url->set_anchor('p' . $event->objectid); $this->assertEquals($url, $event->get_url()); $this->assertEventContextNotUsed($event); $this->assertNotEmpty($event->get_name()); }
/** * Create new posts into an existing discussion. * * @param int $postid the post id we are going to reply to * @param string $subject new post subject * @param string $message new post message (only html format allowed) * @param array $options optional settings * @return array of warnings and the new post id * @since Moodle 3.0 * @throws moodle_exception */ public static function add_discussion_post($postid, $subject, $message, $options = array()) { global $DB, $CFG, $USER; require_once($CFG->dirroot . "/mod/forum/lib.php"); $params = self::validate_parameters(self::add_discussion_post_parameters(), array( 'postid' => $postid, 'subject' => $subject, 'message' => $message, 'options' => $options )); // Validate options. $options = array( 'discussionsubscribe' => true ); foreach ($params['options'] as $option) { $name = trim($option['name']); switch ($name) { case 'discussionsubscribe': $value = clean_param($option['value'], PARAM_BOOL); break; default: throw new moodle_exception('errorinvalidparam', 'webservice', '', $name); } $options[$name] = $value; } $warnings = array(); if (!$parent = forum_get_post_full($params['postid'])) { throw new moodle_exception('invalidparentpostid', 'forum'); } if (!$discussion = $DB->get_record("forum_discussions", array("id" => $parent->discussion))) { throw new moodle_exception('notpartofdiscussion', 'forum'); } // Request and permission validation. $forum = $DB->get_record('forum', array('id' => $discussion->forum), '*', MUST_EXIST); list($course, $cm) = get_course_and_cm_from_instance($forum, 'forum'); $context = context_module::instance($cm->id); self::validate_context($context); if (!forum_user_can_post($forum, $discussion, $USER, $cm, $course, $context)) { throw new moodle_exception('nopostforum', 'forum'); } $thresholdwarning = forum_check_throttling($forum, $cm); forum_check_blocking_threshold($thresholdwarning); // Create the post. $post = new stdClass(); $post->discussion = $discussion->id; $post->parent = $parent->id; $post->subject = $params['subject']; $post->message = $params['message']; $post->messageformat = FORMAT_HTML; // Force formatting for now. $post->messagetrust = trusttext_trusted($context); $post->itemid = 0; if ($postid = forum_add_new_post($post, null)) { $post->id = $postid; // Trigger events and completion. $params = array( 'context' => $context, 'objectid' => $post->id, 'other' => array( 'discussionid' => $discussion->id, 'forumid' => $forum->id, 'forumtype' => $forum->type, ) ); $event = \mod_forum\event\post_created::create($params); $event->add_record_snapshot('forum_posts', $post); $event->add_record_snapshot('forum_discussions', $discussion); $event->trigger(); // Update completion state. $completion = new completion_info($course); if ($completion->is_enabled($cm) && ($forum->completionreplies || $forum->completionposts)) { $completion->update_state($cm, COMPLETION_COMPLETE); } $settings = new stdClass(); $settings->discussionsubscribe = $options['discussionsubscribe']; forum_post_subscription($settings, $forum, $discussion); } else { throw new moodle_exception('couldnotadd', 'forum'); } $result = array(); $result['postid'] = $postid; $result['warnings'] = $warnings; return $result; }
/** * Process a message received and validated by the Inbound Message processor. * * @throws \core\message\inbound\processing_failed_exception * @param \stdClass $messagedata The Inbound Message record * @param \stdClass $messagedata The message data packet * @return bool Whether the message was successfully processed. */ public function process_message(\stdClass $record, \stdClass $messagedata) { global $DB, $USER; // Load the post being replied to. $post = $DB->get_record('forum_posts', array('id' => $record->datavalue)); if (!$post) { mtrace("--> Unable to find a post matching with id {$record->datavalue}"); return false; } // Load the discussion that this post is in. $discussion = $DB->get_record('forum_discussions', array('id' => $post->discussion)); if (!$post) { mtrace("--> Unable to find the discussion for post {$record->datavalue}"); return false; } // Load the other required data. $forum = $DB->get_record('forum', array('id' => $discussion->forum)); $course = $DB->get_record('course', array('id' => $forum->course)); $cm = get_fast_modinfo($course->id)->instances['forum'][$forum->id]; $modcontext = \context_module::instance($cm->id); $usercontext = \context_user::instance($USER->id); // Make sure user can post in this discussion. $canpost = true; if (!forum_user_can_post($forum, $discussion, $USER, $cm, $course, $modcontext)) { $canpost = false; } if (isset($cm->groupmode) && empty($course->groupmodeforce)) { $groupmode = $cm->groupmode; } else { $groupmode = $course->groupmode; } if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $modcontext)) { if ($discussion->groupid == -1) { $canpost = false; } else { if (!groups_is_member($discussion->groupid)) { $canpost = false; } } } if (!$canpost) { $data = new \stdClass(); $data->forum = $forum; throw new \core\message\inbound\processing_failed_exception('messageinboundnopostforum', 'mod_forum', $data); } // And check the availability. if (!\core_availability\info_module::is_user_visible($cm, $USER, true)) { $data = new \stdClass(); $data->forum = $forum; throw new \core\message\inbound\processing_failed_exception('messageinboundforumhidden', 'mod_forum', $data); } // Before we add this we must check that the user will not exceed the blocking threshold. // This should result in an appropriate reply. $thresholdwarning = forum_check_throttling($forum, $cm); if (!empty($thresholdwarning) && !$thresholdwarning->canpost) { $data = new \stdClass(); $data->forum = $forum; $data->message = get_string($thresholdwarning->errorcode, $thresholdwarning->module, $thresholdwarning->additional); throw new \core\message\inbound\processing_failed_exception('messageinboundthresholdhit', 'mod_forum', $data); } $addpost = new \stdClass(); $addpost->course = $course->id; $addpost->forum = $forum->id; $addpost->discussion = $discussion->id; $addpost->modified = $messagedata->timestamp; $addpost->subject = clean_param($messagedata->envelope->subject, PARAM_TEXT); $addpost->parent = $post->id; $addpost->itemid = file_get_unused_draft_itemid(); if (!empty($messagedata->html)) { $addpost->message = $messagedata->html; $addpost->messageformat = FORMAT_HTML; } else { $addpost->message = $messagedata->plain; $addpost->messageformat = FORMAT_PLAIN; } // We don't trust text coming from e-mail. $addpost->messagetrust = false; // Add attachments to the post. if (!empty($messagedata->attachments['attachment']) && count($messagedata->attachments['attachment'])) { $attachmentcount = count($messagedata->attachments['attachment']); if (empty($forum->maxattachments) || $forum->maxbytes == 1 || !has_capability('mod/forum:createattachment', $modcontext)) { // Attachments are not allowed. mtrace("--> User does not have permission to attach files in this forum. Rejecting e-mail."); $data = new \stdClass(); $data->forum = $forum; $data->attachmentcount = $attachmentcount; throw new \core\message\inbound\processing_failed_exception('messageinboundattachmentdisallowed', 'mod_forum', $data); } if ($forum->maxattachments < $attachmentcount) { // Too many attachments. mtrace("--> User attached {$attachmentcount} files when only {$forum->maxattachments} where allowed. " . " Rejecting e-mail."); $data = new \stdClass(); $data->forum = $forum; $data->attachmentcount = $attachmentcount; throw new \core\message\inbound\processing_failed_exception('messageinboundfilecountexceeded', 'mod_forum', $data); } $filesize = 0; $addpost->attachments = file_get_unused_draft_itemid(); foreach ($messagedata->attachments['attachment'] as $attachment) { mtrace("--> Processing {$attachment->filename} as an attachment."); $this->process_attachment('*', $usercontext, $addpost->attachments, $attachment); $filesize += $attachment->filesize; } if ($forum->maxbytes < $filesize) { // Too many attachments. mtrace("--> User attached {$filesize} bytes of files when only {$forum->maxbytes} where allowed. " . "Rejecting e-mail."); $data = new \stdClass(); $data->forum = $forum; $data->maxbytes = display_size($forum->maxbytes); $data->filesize = display_size($filesize); throw new \core\message\inbound\processing_failed_exception('messageinboundfilesizeexceeded', 'mod_forum', $data); } } // Process any files in the message itself. if (!empty($messagedata->attachments['inline'])) { foreach ($messagedata->attachments['inline'] as $attachment) { mtrace("--> Processing {$attachment->filename} as an inline attachment."); $this->process_attachment('*', $usercontext, $addpost->itemid, $attachment); // Convert the contentid link in the message. $draftfile = \moodle_url::make_draftfile_url($addpost->itemid, '/', $attachment->filename); $addpost->message = preg_replace('/cid:' . $attachment->contentid . '/', $draftfile, $addpost->message); } } // Insert the message content now. $addpost->id = forum_add_new_post($addpost, true); // Log the new post creation. $params = array( 'context' => $modcontext, 'objectid' => $addpost->id, 'other' => array( 'discussionid' => $discussion->id, 'forumid' => $forum->id, 'forumtype' => $forum->type, ) ); $event = \mod_forum\event\post_created::create($params); $event->add_record_snapshot('forum_posts', $addpost); $event->add_record_snapshot('forum_discussions', $discussion); $event->trigger(); mtrace("--> Created a post {$addpost->id} in {$discussion->id}."); return $addpost; }