Prototype for CBA (#8475)

* Prototype for CBA

* Fixing gofmt issues

* Do not require password if logging in with certificate

* Fixing issues from feedback

* Adding unit tests

* Fixing feedback

1 files changed, 37 insertions, 0 deletions

diff --git a/app/login_test.go b/app/login_test.go
new file mode 100644
index 000000000..db92f1d7d
--- /dev/null
+++ b/app/login_test.go
@@ -0,0 +1,37 @@
+// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package app
+
+import (
+	"net/http"
+	"testing"
+)
+
+func TestCheckForClienSideCert(t *testing.T) {
+	th := Setup()
+	defer th.TearDown()
+
+	var tests = []struct {
+		pem           string
+		subject       string
+		expectedEmail string
+	}{
+		{"blah", "blah", ""},
+		{"blah", "C=US, ST=Maryland, L=Pasadena, O=Brent Baccala, OU=FreeSoft, CN=www.freesoft.org/emailAddress=test@test.com", "test@test.com"},
+		{"blah", "C=US, ST=Maryland, L=Pasadena, O=Brent Baccala, OU=FreeSoft, CN=www.freesoft.org/EmailAddress=test@test.com", ""},
+		{"blah", "CN=www.freesoft.org/EmailAddress=test@test.com, C=US, ST=Maryland, L=Pasadena, O=Brent Baccala, OU=FreeSoft", ""},
+	}
+
+	for _, tt := range tests {
+		r := &http.Request{Header: http.Header{}}
+		r.Header.Add("X-SSL-Client-Cert", tt.pem)
+		r.Header.Add("X-SSL-Client-Cert-Subject-DN", tt.subject)
+
+		_, _, actualEmail := th.App.CheckForClienSideCert(r)
+
+		if actualEmail != tt.expectedEmail {
+			t.Fatalf("CheckForClienSideCert(%v): expected %v, actual %v", tt.subject, tt.expectedEmail, actualEmail)
+		}
+	}
+}