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Merge pull request #2594 from skaempfe/skaempfe#2593
Improvement: Support TLS Expiry alerts also for CA certs in cert chain
This commit is contained in:
Louis Lam
GitHub
commit
0735f12d19
@ -365,8 +365,8 @@ class Monitor extends BeanModel {
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tlsInfo = await this.updateTlsInfo(tlsInfoObject);
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if (!this.getIgnoreTls() && this.isEnabledExpiryNotification()) {
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log.debug("monitor", `[${this.name}] call sendCertNotification`);
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await this.sendCertNotification(tlsInfoObject);
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log.debug("monitor", `[${this.name}] call checkCertExpiryNotifications`);
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await this.checkCertExpiryNotifications(tlsInfoObject);
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}
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} catch (e) {
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@ -1212,13 +1212,19 @@ class Monitor extends BeanModel {
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}
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/**
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* Send notification about a certificate
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* checks certificate chain for expiring certificates
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* @param {Object} tlsInfoObject Information about certificate
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*/
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async sendCertNotification(tlsInfoObject) {
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async checkCertExpiryNotifications(tlsInfoObject) {
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if (tlsInfoObject && tlsInfoObject.certInfo && tlsInfoObject.certInfo.daysRemaining) {
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const notificationList = await Monitor.getNotificationList(this);
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if (! notificationList.length > 0) {
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// fail fast. If no notification is set, all the following checks can be skipped.
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log.debug("monitor", "No notification, no need to send cert notification");
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return;
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}
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let notifyDays = await setting("tlsExpiryNotifyDays");
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if (notifyDays == null || !Array.isArray(notifyDays)) {
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// Reset Default
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@ -1226,10 +1232,19 @@ class Monitor extends BeanModel {
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notifyDays = [ 7, 14, 21 ];
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}
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if (notifyDays != null && Array.isArray(notifyDays)) {
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for (const day of notifyDays) {
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log.debug("monitor", "call sendCertNotificationByTargetDays", day);
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await this.sendCertNotificationByTargetDays(tlsInfoObject.certInfo.daysRemaining, day, notificationList);
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if (Array.isArray(notifyDays)) {
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for (const targetDays of notifyDays) {
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let certInfo = tlsInfoObject.certInfo;
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while (certInfo) {
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let subjectCN = certInfo.subject["CN"];
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if (certInfo.daysRemaining > targetDays) {
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log.debug("monitor", `No need to send cert notification for ${certInfo.certType} certificate "${subjectCN}" (${certInfo.daysRemaining} days valid) on ${targetDays} deadline.`);
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} else {
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log.debug("monitor", `call sendCertNotificationByTargetDays for ${targetDays} deadline on certificate ${subjectCN}.`);
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await this.sendCertNotificationByTargetDays(subjectCN, certInfo.certType, certInfo.daysRemaining, targetDays, notificationList);
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}
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certInfo = certInfo.issuerCertificate;
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}
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}
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}
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}
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@ -1238,55 +1253,47 @@ class Monitor extends BeanModel {
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/**
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* Send a certificate notification when certificate expires in less
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* than target days
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* @param {number} daysRemaining Number of days remaining on certifcate
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* @param {string} certCN Common Name attribute from the certificate subject
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* @param {string} certType certificate type
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* @param {number} daysRemaining Number of days remaining on certificate
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* @param {number} targetDays Number of days to alert after
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* @param {LooseObject<any>[]} notificationList List of notification providers
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* @returns {Promise<void>}
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*/
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async sendCertNotificationByTargetDays(daysRemaining, targetDays, notificationList) {
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async sendCertNotificationByTargetDays(certCN, certType, daysRemaining, targetDays, notificationList) {
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if (daysRemaining > targetDays) {
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log.debug("monitor", `No need to send cert notification. ${daysRemaining} > ${targetDays}`);
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let row = await R.getRow("SELECT * FROM notification_sent_history WHERE type = ? AND monitor_id = ? AND days <= ?", [
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"certificate",
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this.id,
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targetDays,
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]);
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// Sent already, no need to send again
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if (row) {
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log.debug("monitor", "Sent already, no need to send again");
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return;
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}
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if (notificationList.length > 0) {
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let sent = false;
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log.debug("monitor", "Send certificate notification");
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let row = await R.getRow("SELECT * FROM notification_sent_history WHERE type = ? AND monitor_id = ? AND days <= ?", [
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for (let notification of notificationList) {
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try {
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log.debug("monitor", "Sending to " + notification.name);
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await Notification.send(JSON.parse(notification.config), `[${this.name}][${this.url}] ${certType} certificate ${certCN} will be expired in ${daysRemaining} days`);
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sent = true;
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} catch (e) {
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log.error("monitor", "Cannot send cert notification to " + notification.name);
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log.error("monitor", e);
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}
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}
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if (sent) {
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await R.exec("INSERT INTO notification_sent_history (type, monitor_id, days) VALUES(?, ?, ?)", [
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"certificate",
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this.id,
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targetDays,
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]);
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// Sent already, no need to send again
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if (row) {
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log.debug("monitor", "Sent already, no need to send again");
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return;
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}
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let sent = false;
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log.debug("monitor", "Send certificate notification");
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for (let notification of notificationList) {
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try {
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log.debug("monitor", "Sending to " + notification.name);
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await Notification.send(JSON.parse(notification.config), `[${this.name}][${this.url}] Certificate will expire in ${daysRemaining} days`);
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sent = true;
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} catch (e) {
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log.error("monitor", "Cannot send cert notification to " + notification.name);
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log.error("monitor", e);
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}
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}
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if (sent) {
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await R.exec("INSERT INTO notification_sent_history (type, monitor_id, days) VALUES(?, ?, ?)", [
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"certificate",
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this.id,
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targetDays,
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]);
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}
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} else {
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log.debug("monitor", "No notification, no need to send cert notification");
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}
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}
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@ -519,12 +519,16 @@ const parseCertificateInfo = function (info) {
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// Move up the chain until loop is encountered
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if (link.issuerCertificate == null) {
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link.certType = (i === 0) ? "self-signed" : "root CA";
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break;
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} else if (link.issuerCertificate.fingerprint in existingList) {
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// a root CA certificate is typically "signed by itself" (=> "self signed certificate") and thus the "issuerCertificate" is a reference to itself.
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log.debug("cert", `[Last] ${link.issuerCertificate.fingerprint}`);
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link.certType = (i === 0) ? "self-signed" : "root CA";
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link.issuerCertificate = null;
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break;
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} else {
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link.certType = (i === 0) ? "server" : "intermediate CA";
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link = link.issuerCertificate;
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}
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@ -7,7 +7,7 @@
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<Tag v-for="tag in monitor.tags" :key="tag.id" :item="tag" :size="'sm'" />
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</div>
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<p class="url">
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<a v-if="monitor.type === 'http' || monitor.type === 'keyword' " :href="monitor.url" target="_blank" rel="noopener noreferrer">{{ filterPassword(monitor.url) }}</a>
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<a v-if="monitor.type === 'http' || monitor.type === 'keyword' || monitor.type === 'mp-health' " :href="monitor.url" target="_blank" rel="noopener noreferrer">{{ filterPassword(monitor.url) }}</a>
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<span v-if="monitor.type === 'port'">TCP Port {{ monitor.hostname }}:{{ monitor.port }}</span>
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<span v-if="monitor.type === 'ping'">Ping: {{ monitor.hostname }}</span>
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<span v-if="monitor.type === 'keyword'">
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