adding a really slick ssl certificate installation form in the control panel

management/daemon.py

@@ -226,6 +226,24 @@ def dns_get_dump():
 	from dns_update import build_recommended_dns
 	return json_response(build_recommended_dns(env))
 
+# SSL
+
+@app.route('/ssl/csr/<domain>', methods=['POST'])
+@authorized_personnel_only
+def ssl_get_csr(domain):
+	from web_update import get_domain_ssl_files, create_csr
+	ssl_key, ssl_certificate, csr_path = get_domain_ssl_files(domain, env)
+	return create_csr(domain, ssl_key, env)
+
+@app.route('/ssl/install', methods=['POST'])
+@authorized_personnel_only
+def ssl_install_cert():
+	from web_update import install_cert
+	domain = request.form.get('domain')
+	ssl_cert = request.form.get('cert')
+	ssl_chain = request.form.get('chain')
+	return install_cert(domain, ssl_cert, ssl_chain, env)
+
 # WEB
 
 @app.route('/web/domains')

management/status_checks.py

@@ -381,23 +381,16 @@ def check_ssl_cert(domain, env):
 		if domain == env['PRIMARY_HOSTNAME']:
 			env['out'].print_error("""The SSL certificate for this domain is currently self-signed. You will get a security
 			warning when you check or send email and when visiting this domain in a web browser (for webmail or
-			static site hosting). You may choose to confirm the security exception, but check that the certificate
-			fingerprint matches the following:""")
+			static site hosting). Use the SSL Certificates page in this control panel to install a signed SSL certificate.
+			You may choose to leave the self-signed certificate in place and confirm the security exception, but check that
+			the certificate fingerprint matches the following:""")
 			env['out'].print_line("")
 			env['out'].print_line("   " + fingerprint, monospace=True)
 		else:
 			env['out'].print_warning("""The SSL certificate for this domain is currently self-signed. Visitors to a website on
 			this domain will get a security warning. If you are not serving a website on this domain, then it is
-			safe to leave the self-signed certificate in place.""")
-		env['out'].print_line("")
-		env['out'].print_line("""You can purchase a signed certificate from many places. You will need to provide this Certificate Signing Request (CSR)
-			to whoever you purchase the SSL certificate from:""")
-		env['out'].print_line("")
-		env['out'].print_line(open(ssl_csr_path).read().strip(), monospace=True)
-		env['out'].print_line("")
-		env['out'].print_line("""When you purchase an SSL certificate you will receive a certificate in PEM format and possibly a file containing intermediate certificates in PEM format.
-			If you receive intermediate certificates, use a text editor and paste your certificate on top and then the intermediate certificates
-			below it. Save the file and place it onto this machine at %s. Then run "service nginx restart".""" % ssl_certificate)
+			safe to leave the self-signed certificate in place. Use the SSL Certificates page in this control panel to
+			install a signed SSL certificate.""")
 
 	else:
 		env['out'].print_error("The SSL certificate has a problem: " + cert_status)
@@ -423,7 +416,7 @@ def check_certificate(domain, ssl_certificate, ssl_private_key):
 	# More information was probably written to stderr (which we aren't capturing),
 	# but it is probably not helpful to the user anyway.
 	if retcode != 0:
-		return ("The SSL certificate file at %s appears to be corrupted or not a PEM-formatted SSL certificate file." % ssl_certificate, None)
+		return ("The SSL certificate appears to be corrupted or not a PEM-formatted SSL certificate file. (%s)" % ssl_certificate, None)
 
 	cert_dump = cert_dump.split("\n")
 	certificate_names = set()

management/templates/index.html

@@ -89,6 +89,7 @@
               <a href="#" class="dropdown-toggle" data-toggle="dropdown">System <b class="caret"></b></a>
               <ul class="dropdown-menu">
                 <li><a href="#system_status" onclick="return show_panel(this);">Status Checks</a></li>
+                <li><a href="#ssl" onclick="return show_panel(this);">SSL Certificates</a></li>
                 <li><a href="#system_backup" onclick="return show_panel(this);">Backup Status</a></li>
                 <li class="divider"></li>
                 <li class="dropdown-header">Super Advanced Options</li>
@@ -155,6 +156,10 @@
       {% include "web.html" %}
       </div>
 
+      <div id="panel_ssl" class="container panel">
+      {% include "ssl.html" %}
+      </div>
+
       <hr>
 
       <footer>

management/templates/ssl.html

@@ -0,0 +1,118 @@
+<style>
+</style>
+
+<h2>SSL Certificates</h2>
+
+<h3>Certificate Status</h3>
+
+
+<table id="ssl_domains" class="table" style="margin-bottom: 2em; width: auto;">
+  <thead>
+    <tr>
+      <th>Domain</th>
+      <th>Certificate Status</th>
+      <th>Actions</th>
+    </tr>
+  </thead>
+  <tbody>
+  </tbody>
+</table>
+
+<h3 id="ssl_install_header">Install SSL Certificate</h3>
+
+<p>There are many places where you can get a free or cheap SSL certificate. We recommend <a href="https://www.namecheap.com/cart/remove.aspx?itemid=47016639&i=i2">Namecheap&rsquo;s $9 certificate</a> or <a href="https://www.startssl.com/">StartSSL&rsquo;s free express lane</a>.</p>
+
+<p>Which domain are you getting an SSL certificate for?</p>
+
+<p><select id="ssldomain" onchange="show_csr()" class="form-control" style="width: auto"></select></p>
+
+<div id="csr_info" style="display: none">
+  <p>You will need to provide the SSL certificate provider this Certificate Signing Request (CSR):</p>
+
+  <pre id="ssl_csr"></pre>
+
+  <p><small>The CSR is safe to share. It can only be used in combination with a secret key stored on this machine.</small></p>
+
+  <p>The SSL certificate provider will then provide you with an SSL certificate. They may also provide you with an intermediate chain. Paste each separately into the boxes below:</p>
+
+  <p style="margin-bottom: .5em">SSL certificate:</p>
+  <p><textarea id="ssl_paste_cert" class="form-control" style="max-width: 40em; height: 8em" placeholder="-----BEGIN CERTIFICATE-----&#xA;stuff here&#xA;-----END CERTIFICATE-----"></textarea></p>
+
+  <p style="margin-bottom: .5em">SSL intermediate chain (if provided):</p>
+  <p><textarea id="ssl_paste_chain" class="form-control" style="max-width: 40em; height: 8em" placeholder="-----BEGIN CERTIFICATE-----&#xA;stuff here&#xA;-----END CERTIFICATE-----&#xA;-----BEGIN CERTIFICATE-----&#xA;more stuff here&#xA;-----END CERTIFICATE-----"></textarea></p>
+
+  <p>After you paste in the information, click the install button.</p>
+
+  <button class="btn-primary" onclick="install_cert()">Install</button>
+</div>
+
+<script>
+function show_ssl() {
+ api(
+    "/web/domains",
+    "GET",
+    {
+    },
+    function(domains) {
+      var tb = $('#ssl_domains tbody');
+      tb.text('');
+      $('#ssldomain').html('<option value="">(select)</option>');
+
+      for (var i = 0; i < domains.length; i++) {
+        var row = $("<tr><th class='domain'><a href=''></a></th><td class='status'></td> <td class='actions'><a href='#' onclick='return ssl_install(this);' class='btn btn-xs'>Install Certificate</a></td></tr>");
+        tb.append(row);
+        row.attr('data-domain', domains[i].domain);
+        row.find('.domain a').text(domains[i].domain);
+        row.find('.domain a').attr('href', 'https://' + domains[i].domain);
+        row.addClass("text-" + domains[i].ssl_certificate[0]);
+        row.find('.status').text(domains[i].ssl_certificate[1]);
+        if (domains[i].ssl_certificate[0] == "success") {
+          row.find('.actions a').addClass('btn-default').text('Replace Certificate');
+        } else {
+          row.find('.actions a').addClass('btn-primary').text('Install Certificate');
+        }
+
+        $('#ssldomain').append($('<option>').text(domains[i].domain));
+      }
+    });
+}
+
+function ssl_install(elem) {
+  var domain = $(elem).parents('tr').attr('data-domain');
+  $('#ssldomain').val(domain);
+  $('#csr_info').slideDown();
+  $('#ssl_csr').text('Loading...');
+  show_csr();
+  $('html, body').animate({ scrollTop: $('#ssl_install_header').offset().top })
+  return false;
+}
+
+function show_csr() {
+ api(
+    "/ssl/csr/" + $('#ssldomain').val(),
+    "POST",
+    {
+    },
+    function(data) {
+      $('#ssl_csr').text(data);
+    });
+}
+
+function install_cert() {
+ api(
+    "/ssl/install",
+    "POST",
+    {
+      domain: $('#ssldomain').val(),
+      cert: $('#ssl_paste_cert').val(),
+      chain: $('#ssl_paste_chain').val()
+    },
+    function(status) {
+      if (status == "") {
+        show_modal_error("SSL Certificate Installation", "Certificate has been installed. Check that you have no connection problems to the domain.", function() { show_ssl(); $('#csr_info').slideUp(); });
+      } else {
+        show_modal_error("SSL Certificate Installation", status);
+      }
+    });
+}
+</script>

management/web_update.py

@@ -38,7 +38,7 @@ def get_web_domains(env):
 
 	return domains
 	
-def do_web_update(env):
+def do_web_update(env, ok_status="web updated\n"):
 	# Build an nginx configuration file.
 	nginx_conf = open(os.path.join(os.path.dirname(__file__), "../conf/nginx-top.conf")).read()
 
@@ -65,7 +65,7 @@ def do_web_update(env):
 	# enough and doesn't break any open connections.
 	shell('check_call', ["/usr/sbin/service", "nginx", "reload"])
 
-	return "web updated\n"
+	return ok_status
 
 def make_domain_config(domain, template, template_for_primaryhost, env):
 	# How will we configure this domain.
@@ -94,6 +94,19 @@ def make_domain_config(domain, template, template_for_primaryhost, env):
 	nginx_conf = nginx_conf.replace("$SSL_KEY", ssl_key)
 	nginx_conf = nginx_conf.replace("$SSL_CERTIFICATE", ssl_certificate)
 
+	# Because the certificate may change, we should recognize this so we
+	# can trigger an nginx update.
+	def hashfile(filepath):
+		import hashlib
+		sha1 = hashlib.sha1()
+		f = open(filepath, 'rb')
+		try:
+			sha1.update(f.read())
+		finally:
+			f.close()
+		return sha1.hexdigest()
+	nginx_conf += "# ssl files sha1: %s / %s\n" % (hashfile(ssl_key), hashfile(ssl_certificate))
+
 	# Add in any user customizations in YAML format.
 	nginx_conf_custom_fn = os.path.join(env["STORAGE_ROOT"], "www/custom.yaml")
 	if os.path.exists(nginx_conf_custom_fn):
@@ -178,12 +191,8 @@ def ensure_ssl_certificate_exists(domain, ssl_key, ssl_certificate, csr_path, en
 	# Generate a new self-signed certificate using the same private key that we already have.
 
 	# Start with a CSR.
-	shell("check_call", [
-		"openssl", "req", "-new",
-		"-key", ssl_key,
-		"-out",  csr_path,
-		"-sha256",
-		"-subj", "/C=%s/ST=/L=/O=/CN=%s" % (env["CSR_COUNTRY"], domain)])
+	with open(csr_path, "w") as f:
+		f.write(create_csr(domain, ssl_key, env))
 
 	# And then make the certificate.
 	shell("check_call", [
@@ -193,12 +202,62 @@ def ensure_ssl_certificate_exists(domain, ssl_key, ssl_certificate, csr_path, en
 		"-signkey", ssl_key,
 		"-out", ssl_certificate])
 
+def create_csr(domain, ssl_key, env):
+	return shell("check_output", [
+                "openssl", "req", "-new",
+                "-key", ssl_key,
+                "-out",  "/dev/stdout",
+                "-sha256",
+                "-subj", "/C=%s/ST=/L=/O=/CN=%s" % (env["CSR_COUNTRY"], domain)])
+
+def install_cert(domain, ssl_cert, ssl_chain, env):
+	if domain not in get_web_domains(env):
+		return "Invalid domain name."
+
+	# Write the combined cert+chain to a temporary path and validate that it is OK.
+	# The certificate always goes above the chain.
+	import tempfile, os
+	fd, fn = tempfile.mkstemp('.pem')
+	os.write(fd, (ssl_cert + '\n' + ssl_chain).encode("ascii"))
+	os.close(fd)
+
+	# Do validation on the certificate before installing it.
+	from status_checks import check_certificate
+	ssl_key, ssl_certificate, ssl_csr_path = get_domain_ssl_files(domain, env)
+	cert_status, cert_status_details = check_certificate(domain, fn, ssl_key)
+	if cert_status != "OK":
+		if cert_status == "SELF-SIGNED":
+			cert_status = "This is a self-signed certificate. I can't install that."
+		os.unlink(fn)
+		return cert_status
+
+	# Copy the certificate to its expected location.
+	os.makedirs(os.path.dirname(ssl_certificate), exist_ok=True)
+	os.rename(fn, ssl_certificate)
+
+	# Kick nginx so it sees the cert.
+	return do_web_update(env, ok_status="")
+
 def get_web_domains_info(env):
+	def check_cert(domain):
+		from status_checks import check_certificate
+		ssl_key, ssl_certificate, ssl_csr_path = get_domain_ssl_files(domain, env)
+		if not os.path.exists(ssl_certificate):
+			return ("danger", "No Certificate Installed")
+		cert_status, cert_status_details = check_certificate(domain, ssl_certificate, ssl_key)
+		if cert_status == "OK":
+			return ("success", "Signed & valid. " + cert_status_details)
+		elif cert_status == "SELF-SIGNED":
+			return ("warning", "Self-signed. Get a signed certificate to stop warnings.")
+		else:
+			return ("danger", "Certificate has a problem: " + cert_status)
+
 	return [
 		{
 			"domain": domain,
 			"root": get_web_root(domain, env),
 			"custom_root": get_web_root(domain, env, test_exists=False),
+			"ssl_certificate": check_cert(domain),
 		}
 		for domain in get_web_domains(env)
 	]