function check_import()
{
$this->lf_core->Livefyre_Logger->add("Livefyre: Checking on an import.");
if ($this->ext->detect_default_comment() && $this->ext->get_option('livefyre_import_status', 'uninitialized') == 'uninitialized') {
$this->ext->update_option('livefyre_import_status', 'complete');
$this->ext->delete_option('livefyre_v3_notify_installed');
return;
}
// Make sure we're allowed to import comments
if (!isset($_GET['livefyre_comment_import']) || !isset($_GET['offset'])) {
return;
}
// Get the decoded sig values from the $_POST object
$sig = $_POST['sig'];
$sig_created = urldecode($_POST['sig_created']);
// Check the signature
$this->lf_core->Livefyre_Logger->add('comment import req received from livefyre');
$key = $this->ext->get_option('livefyre_site_key');
$string = 'import|' . $_GET['offset'] . '|' . $sig_created;
$this->lf_core->Livefyre_Logger->add(' -comment import req sig inputs: ' . $string . ' input sig:' . $sig);
if (getHmacsha1Signature(base64_decode($key), $string) != $sig || abs($sig_created - time()) > 259200) {
$this->lf_core->Livefyre_Logger->add(' -sig failed');
echo 'sig-failure';
exit;
} else {
$this->lf_core->Livefyre_Logger->add(' -sig correct, rendering');
$siteId = $this->ext->get_option('livefyre_site_id', '');
if ($siteId != '') {
$response = $this->extract_xml($siteId, intval($_GET['offset']));
echo $response;
exit;
} else {
$this->lf_core->Livefyre_Logger->add(' -tried to render, but no blogid');
echo 'missing-blog-id';
exit;
}
}
}
function check_import()
{
if ($this->detect_default_comment() && get_option('livefyre_apps-livefyre_import_status', 'uninitialized') == 'uninitialized') {
update_option('livefyre_apps-livefyre_import_status', 'complete');
$this->ext->delete_option('livefyre_v3_notify_installed');
return;
}
// Make sure we're allowed to import comments
if (!isset($_GET['livefyre_comment_import']) || !isset($_GET['offset'])) {
return;
}
// Get the decoded sig values from the $_POST object
$sig = $_POST['sig'];
$sig_created = urldecode($_POST['sig_created']);
// Check the signature
$key = get_option('livefyre_apps-livefyre_site_key');
$string = 'import|' . sanitize_text_field($_GET['offset']) . '|' . $sig_created;
if (getHmacsha1Signature(base64_decode($key), $string) != $sig || abs($sig_created - time()) > 259200) {
echo 'sig-failure';
exit;
} else {
$siteId = get_option('livefyre_apps-livefyre_site_id', '');
if ($siteId != '') {
$response = $this->extract_xml($siteId, intval(sanitize_text_field($_GET['offset'])));
echo esc_html($response);
exit;
} else {
echo 'missing-blog-id';
exit;
}
}
}
function do_sync()
{
$this->lf_core->Livefyre_Logger->add("Livefyre: Running a site sync.");
/*
Fetch comments from the livefyre server, providing last activity id we have.
Schedule the next sync if we got >50 or the server says "more-data".
If there are no more comments, schedule a sync for several hrs out.
*/
$result = array('status' => 'ok', 'message' => 'The sync process completed successfully.', 'last-message-type' => null, 'activities-handled' => 0);
$inserts_remaining = LF_SYNC_MAX_INSERTS;
$max_activity = $this->ext->get_option('livefyre_activity_id', '0');
if ($max_activity == '0') {
$final_path_seg = '';
} else {
$final_path_seg = $max_activity . '/';
}
$url = $this->site_rest_url() . '/sync/' . $final_path_seg;
$qstring = 'page_size=' . $inserts_remaining . '&plugin_version=' . LF_PLUGIN_VERSION . '&sig_created=' . time();
$key = $this->ext->get_option('livefyre_site_key');
$url .= '?' . $qstring . '&sig=' . urlencode(getHmacsha1Signature(base64_decode($key), $qstring));
$http_result = $this->lf_core->lf_domain_object->http->request($url, array('timeout' => 120));
if (is_array($http_result) && isset($http_result['response']) && $http_result['response']['code'] == 200) {
$str_comments = $http_result['body'];
} else {
$str_comments = '';
}
$json_array = json_decode($str_comments);
if (!is_array($json_array)) {
$this->schedule_sync(LF_SYNC_LONG_TIMEOUT);
$error_message = 'Error during do_sync: Invalid response ( not a valid json array ) from sync request to url: ' . $url . ' it responded with: ' . $str_comments;
$this->lf_core->Livefyre_Logger->add("Livefyre: Invalid response ( not a valid json array) from sync request.");
$this->livefyre_report_error($error_message);
return array_merge($result, array('status' => 'error', 'message' => $error_message));
}
$data = array();
// What to record for the "latest" id we know about, when done inserting
$last_activity_id = 0;
// By default, we don't queue an other near-term sync unless we discover the need to
$timeout = LF_SYNC_LONG_TIMEOUT;
$first = true;
foreach ($json_array as $json) {
$mtype = $json->message_type;
if ($mtype == LF_SYNC_ERROR) {
// An error was encountered, don't schedule next sync for near-term
$timeout = LF_SYNC_LONG_TIMEOUT;
break;
}
if ($mtype == LF_SYNC_MORE) {
// There is more data we need to sync, schedule next sync soon
$timeout = LF_SYNC_SHORT_TIMEOUT;
break;
}
if ($mtype == LF_SYNC_ACTIVITY) {
$last_activity_id = $json->activity_id;
$inserts_remaining--;
$comment_date = (int) $json->created;
$comment_date = get_date_from_gmt(date('Y-m-d H:i:s', $comment_date));
$data = array('lf_activity_id' => $json->activity_id, 'lf_action_type' => $json->activity_type, 'comment_post_ID' => $json->article_identifier, 'comment_author' => $json->author, 'comment_author_email' => $json->author_email, 'comment_author_url' => $json->author_url, 'comment_type' => '', 'lf_comment_id' => $json->lf_comment_id, 'user_id' => null, 'comment_author_IP' => $json->author_ip, 'comment_agent' => 'Livefyre, Inc . Comments Agent', 'comment_date' => $comment_date, 'lf_state' => $json->state);
if ($first) {
$first_id_msg = 'Livefyre: Processing activity page starting with ' . $data['lf_activity_id'];
$this->lf_core->Livefyre_Logger->add($first_id_msg);
$first = false;
}
if (isset($json->lf_parent_comment_id)) {
$data['lf_comments_parent'] = $json->lf_parent_comment_id;
}
if (isset($json->body_text)) {
$data['comment_content'] = $json->body_text;
}
$this->livefyre_insert_activity($data);
if (!$inserts_remaining) {
$timeout = LF_SYNC_SHORT_TIMEOUT;
break;
}
}
}
$result['last-message-type'] = $mtype;
$result['activities-handled'] = LF_SYNC_MAX_INSERTS - $inserts_remaining;
$result['last-activity-id'] = $last_activity_id;
if ($last_activity_id) {
$activity_update = $this->ext->update_option('livefyre_activity_id', $last_activity_id);
if (!$activity_update) {
$this->lf_core->Livefyre_Logger->add('Livefyre: Activity ID failed to be rewritten');
}
$last_id_msg = 'Livefyre: Set last activity ID processed to ' . $last_activity_id;
$this->lf_core->Livefyre_Logger->add($last_id_msg);
}
$this->schedule_sync($timeout);
return $result;
}