Added SMTP test button in the admin gui

- Added a test button for checking the e-mail settings.
- Fixed a bug with the _post JavaScript function:
  A function was overwriten with a variable and errors were not handled
correctly like a 500 for example.

src/api/admin.rs

@@ -34,6 +34,7 @@ pub fn routes() -> Vec<Route> {
         post_config,
         delete_config,
         backup_db,
+        test_smtp,
     ]
 }
 
@@ -164,6 +165,18 @@ fn invite_user(data: Json<InviteData>, _token: AdminToken, conn: DbConn) -> Empt
     }
 }
 
+#[post("/test/smtp", data = "<data>")]
+fn test_smtp(data: Json<InviteData>, _token: AdminToken) -> EmptyResult {
+    let data: InviteData = data.into_inner();
+    let email = data.email.clone();
+
+    if CONFIG.mail_enabled() {
+        mail::send_test(&email)
+    } else {
+        err!("Mail is not enabled")
+    }
+}
+
 #[get("/logout")]
 fn logout(mut cookies: Cookies) -> Result<Redirect, ()> {
     cookies.remove(Cookie::named(COOKIE_NAME));

src/config.rs

@@ -634,6 +634,7 @@ where
     reg!("email/verify_email", ".html");
     reg!("email/welcome", ".html");
     reg!("email/welcome_must_verify", ".html");
+    reg!("email/smtp_test", ".html");
 
     reg!("admin/base");
     reg!("admin/login");

src/mail.rs

@@ -258,6 +258,17 @@ pub fn send_change_email(address: &str, token: &str) -> EmptyResult {
     send_email(&address, &subject, &body_html, &body_text)
 }
 
+pub fn send_test(address: &str) -> EmptyResult {
+    let (subject, body_html, body_text) = get_text(
+        "email/smtp_test",
+        json!({
+            "url": CONFIG.domain(),
+        }),
+    )?;
+
+    send_email(&address, &subject, &body_html, &body_text)
+}
+
 fn send_email(address: &str, subject: &str, body_html: &str, body_text: &str) -> EmptyResult {
     let address_split: Vec<&str> = address.rsplitn(2, '@').collect();
     if address_split.len() != 2 {

src/static/templates/admin/page.hbs

@@ -71,6 +71,17 @@
                 them to avoid confusion. This does not apply to the read-only section, which can only be set through the
                 environment.
             </div>
+
+            <div id="smtp-test-form-block" class="align-items-center mb-3 text-white-50 bg-secondary">
+                <h6 class="mb-0 text-white">SMTP Test</h6>
+                <small>Email:</small>
+
+                <form class="form-inline" id="smtp-test-form" onsubmit="smtpTest(); return false;">
+                    <input type="email" class="form-control w-50 mr-2" id="smtp-test-email" placeholder="Enter email">
+                    <button type="submit" class="btn btn-primary">Send test email</button>
+                </form>
+            </div>
+
             <form class="form accordion" id="config-form" onsubmit="saveConfig(); return false;">
                 {{#each config}}
                 {{#if groupdoc}}
@@ -213,13 +224,24 @@
             mode: "same-origin",
             credentials: "same-origin",
             headers: { "Content-Type": "application/json" }
-        }).then(e => {
-            if (e.ok) { return msg(successMsg); }
-            e.json().then(json => {
-                const msg = json ? json.ErrorModel.Message : "Unknown error";
-                msg(errMsg + ": " + msg);
-            });
-        }).catch(e => { msg(errMsg + ": Unknown error") });
+        }).then( resp => {
+            if (resp.ok) { msg(successMsg); return Promise.reject({error: false}); }
+            respStatus = resp.status;
+            respStatusText = resp.statusText;
+            return resp.text();
+        }).then( respText => {
+            try {
+                const respJson = JSON.parse(respText);
+                return respJson ? respJson.ErrorModel.Message : "Unknown error";
+            } catch (e) {
+                return Promise.reject({body:respStatus + ' - ' + respStatusText, error: true});
+            }
+        }).then( apiMsg => {
+            msg(errMsg + "\n" + apiMsg);
+        }).catch( e => {
+            if (e.error === false) { return true; }
+            else { msg(errMsg + "\n" + e.body); }
+        });
     }
     function deleteUser(id, mail) {
         var input_mail = prompt("To delete user '" + mail + "', please type the email below")
@@ -260,6 +282,15 @@
             "Error inviting user", data);
         return false;
     }
+    function smtpTest() {
+        inv = document.getElementById("smtp-test-email");
+        data = JSON.stringify({ "email": inv.value });
+        inv.value = "";
+        _post("/admin/test/smtp/",
+            "SMTP Test email sent correctly",
+            "Error sending SMTP test email", data);
+        return false;
+    }
     function getFormData() {
         let data = {};
 

src/static/templates/email/smtp_test.hbs

@@ -0,0 +1,8 @@
+Bitwarden_rs SMTP Test
+<!---------------->
+<html>
+<p>
+This is a test email to verify the SMTP configuration for <a href="{{url}}">{{url}}</a>.
+</p>
+<p>When you can read this email it is probably configured correctly.</p>
+</html>

src/static/templates/email/smtp_test.html.hbs

@@ -0,0 +1,129 @@
+Bitwarden_rs SMTP Test
+<!---------------->
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns="http://www.w3.org/1999/xhtml" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
+   <head>
+      <meta name="viewport" content="width=device-width" />
+      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+      <title>Bitwarden_rs</title>
+   </head>
+   <body style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; height: 100%; line-height: 25px; width: 100% !important;" bgcolor="#f6f6f6">
+      <style type="text/css">
+          body {
+         margin: 0;
+         font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+         box-sizing: border-box;
+         font-size: 16px;
+         color: #333;
+         line-height: 25px;
+         -webkit-font-smoothing: antialiased;
+         -webkit-text-size-adjust: none;
+         }
+         body * {
+         margin: 0;
+         font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+         box-sizing: border-box;
+         font-size: 16px;
+         color: #333;
+         line-height: 25px;
+         -webkit-font-smoothing: antialiased;
+         -webkit-text-size-adjust: none;
+         }
+         img {
+         max-width: 100%;
+         border: none;
+         }
+         body {
+         -webkit-font-smoothing: antialiased;
+         -webkit-text-size-adjust: none;
+         width: 100% !important;
+         height: 100%;
+         line-height: 25px;
+         }
+         body {
+         background-color: #f6f6f6;
+         }
+         @media only screen and (max-width: 600px) {
+         body {
+         padding: 0 !important;
+         }
+         .container {
+         padding: 0 !important;
+         width: 100% !important;
+         }
+         .container-table {
+         padding: 0 !important;
+         width: 100% !important;
+         }
+         .content {
+         padding: 0 0 10px 0 !important;
+         }
+         .content-wrap {
+         padding: 10px !important;
+         }
+         .invoice {
+         width: 100% !important;
+         }
+         .main {
+         border-right: none !important;
+         border-left: none !important;
+         border-radius: 0 !important;
+         }
+         .logo {
+         padding-top: 10px !important;
+         }
+         .footer {
+         margin-top: 10px !important;
+         }
+         .indented {
+         padding-left: 10px;
+         }
+         }
+      </style>
+      <table class="body-wrap" cellpadding="0" cellspacing="0" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; width: 100%;" bgcolor="#f6f6f6">
+         <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
+            <td valign="middle" class="aligncenter middle logo" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; padding: 20px 0 10px;" align="center">
+                <img src="{{url}}/bwrs_static/logo-gray.png" alt="" width="250" height="39" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;" />
+            </td>
+         </tr>
+         <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
+            <td class="container" align="center" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; clear: both !important; color: #333; display: block !important; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0 auto; max-width: 600px !important; width: 600px;" valign="top">
+               <table cellpadding="0" cellspacing="0" class="container-table" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; clear: both !important; color: #333; display: block !important; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0 auto; max-width: 600px !important; width: 600px;">
+                  <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
+                     <td class="content" align="center" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; display: block; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 0; line-height: 0; margin: 0 auto; max-width: 600px; padding-bottom: 20px;" valign="top">
+                        <table class="main" width="100%" cellpadding="0" cellspacing="0" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; margin: 0; -webkit-text-size-adjust: none; border: 1px solid #e9e9e9; border-radius: 3px;" bgcolor="white">
+                           <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
+                              <td class="content-wrap" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 20px; -webkit-text-size-adjust: none;" valign="top">
+                                 <table width="100%" cellpadding="0" cellspacing="0" style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
+                                    <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
+                                       <td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none; text-align: center;" valign="top" align="center">
+                                          This is a test email to verify the SMTP configuration for <a href="{{url}}">{{url}}</a>.
+                                       </td>
+                                    </tr>
+                                    <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
+                                       <td class="content-block last" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0; -webkit-text-size-adjust: none; text-align: center;" valign="top" align="center">
+                                          When you can read this email it is probably configured correctly.
+                                       </td>
+                                    </tr>
+                                 </table>
+                              </td>
+                           </tr>
+                        </table>
+                        <table class="footer" cellpadding="0" cellspacing="0" width="100%" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; clear: both; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; width: 100%;">
+                           <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
+                              <td class="aligncenter social-icons" align="center" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 15px 0 0 0;" valign="top">
+                                 <table cellpadding="0" cellspacing="0" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0 auto;">
+                                    <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
+                                        <td style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 0 10px;" valign="top"><a href="https://github.com/dani-garcia/bitwarden_rs" target="_blank" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; text-decoration: underline;"><img src="{{url}}/bwrs_static/mail-github.png" alt="GitHub" width="30" height="30" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;" /></a></td>
+                                    </tr>
+                                 </table>
+                              </td>
+                           </tr>
+                        </table>
+                     </td>
+                  </tr>
+               </table>
+            </td>
+         </tr>
+      </table>
+   </body>
+</html>