Add Digest and Bearer Auth modes to http request node (#2061)

* Authentication methods

* Authentication methods

* Authentication methods

* Support undefined auth type

* Support undefined auth type

* Apply basic auth on existing nodes

* Use password as bearer token

* Use password as bearer token

* Switch between password/token labels

* Bearer token abbreviation

* Separate token span

packages/node_modules/@node-red/nodes/core/io/21-httprequest.html

@@ -49,11 +49,19 @@
         <label for="node-input-useAuth" style="width: 70%;"><span data-i18n="httpin.basicauth"></span></label>
         <div style="margin-left: 20px" class="node-input-useAuth-row hide">
             <div class="form-row">
+                <label for="node-input-authType"><i class="fa fa-user-secret "></i> <span data-i18n="httpin.label.authType"></span></label>
+                <select type="text" id="node-input-authType" style="width:70%;">
+                    <option value="basic"  data-i18n="httpin.basic"></option>
+                    <option value="digest" data-i18n="httpin.digest"></option>
+                    <option value="bearer" data-i18n="httpin.bearer"></option>
+                </select>
+            </div>
+            <div class="form-row node-input-basic-row">
                 <label for="node-input-user"><i class="fa fa-user"></i> <span data-i18n="common.label.username"></span></label>
                 <input type="text" id="node-input-user">
             </div>
             <div class="form-row">
-                <label for="node-input-password"><i class="fa fa-lock"></i> <span data-i18n="common.label.password"></span></label>
+                <label for="node-input-password"> <i class="fa fa-lock"></i> <span data-i18n="common.label.password" id="node-span-password"></span><span data-i18n="httpin.label.bearerToken" id="node-span-token" style="hide"></span></label>
                 <input type="password" id="node-input-password">
             </div>
         </div>
@@ -93,7 +101,8 @@
             paytoqs: {value: false},
             url:{value:"",validate:function(v) { return (v.trim().length === 0) || (v.indexOf("://") === -1) || (v.trim().indexOf("http") === 0)} },
             tls: {type:"tls-config",required: false},
-            proxy: {type:"http proxy",required: false}
+            proxy: {type:"http proxy",required: false},
+            authType: {value: "basic"}
         },
         credentials: {
             user: {type:"text"},
@@ -115,12 +124,29 @@
             $("#node-input-useAuth").change(function() {
                 if ($(this).is(":checked")) {
                     $(".node-input-useAuth-row").show();
+                    // Nodes (< version 0.20.x) with credentials but without authentication type, need type 'basic'
+                    if (!$('#node-input-authType').val()) {
+                        $('#node-input-authType').val('basic');
+                    }
                 } else {
                     $(".node-input-useAuth-row").hide();
+                    $('#node-input-authType').val('');
                     $('#node-input-user').val('');
                     $('#node-input-password').val('');
                 }
             });
+            $("#node-input-authType").change(function() {
+                if ($(this).val() == "basic" || $(this).val() == "digest") {
+                    $(".node-input-basic-row").show();
+                    $('#node-span-password').show();
+                    $('#node-span-token').hide();
+                } else if ($(this).val() == "bearer") {
+                    $(".node-input-basic-row").hide();
+                    $('#node-span-password').hide();
+                    $('#node-span-token').show();
+                    $('#node-input-user').val('');
+                }
+            });
             $("#node-input-method").change(function() {
                 if ($(this).val() == "GET") {
                     $(".node-input-paytoqs-row").show();

packages/node_modules/@node-red/nodes/core/io/21-httprequest.js

@@ -33,6 +33,7 @@ module.exports = function(RED) {
             var tlsNode = RED.nodes.getNode(n.tls);
         }
         this.ret = n.ret || "txt";
+        this.authType = n.authType || "basic";
         if (RED.settings.httpRequestTimeout) { this.reqTimeout = parseInt(RED.settings.httpRequestTimeout) || 120000; }
         else { this.reqTimeout = 120000; }
 
@@ -175,12 +176,30 @@ module.exports = function(RED) {
                     }
                 }
             }
-            if (this.credentials && this.credentials.user) {
+            if (this.credentials) {
+                if (this.authType === "basic") {
+                    if (this.credentials.user) {
                         opts.auth = {
                             user: this.credentials.user,
-                    pass: this.credentials.password||""
+                            pass: this.credentials.password || ""
                         };
                     }
+                } else if (this.authType === "digest") {
+                    if (this.credentials.user) {
+                        // The first request will be send without auth information.  Based on the 401 response, the library can determine 
+                        // which auth type is required by the server.  Then the request is resubmitted the with the appropriate auth header.
+                        opts.auth = {
+                            user: this.credentials.user,
+                            pass: this.credentials.password || "",
+                            sendImmediately: false
+                        };
+                    }
+                } else if (this.authType === "bearer") {
+                    opts.auth = {
+                        bearer: this.credentials.password || ""
+                    };
+                }
+            }
             var payload = null;
 
             if (method !== 'GET' && method !== 'HEAD' && typeof msg.payload !== "undefined") {

packages/node_modules/@node-red/nodes/locales/en-US/messages.json

@@ -380,12 +380,17 @@
             "status": "Status code",
             "headers": "Headers",
             "other": "other",
+            "authType": "Type",
+            "bearerToken": "Token",
             "paytoqs" : "Append msg.payload as query string parameters"
         },
         "setby": "- set by msg.method -",
-        "basicauth": "Use basic authentication",
+        "basicauth": "Use authentication",
         "use-tls": "Enable secure (SSL/TLS) connection",
         "tls-config":"TLS Configuration",
+        "basic": "basic authentication",
+        "digest": "digest authentication",
+        "bearer": "bearer authentication",
         "use-proxy": "Use proxy",
         "proxy-config": "Proxy Configuration",
         "use-proxyauth": "Use proxy authentication",