pre-populate user information in the form

app/__init__.py

@@ -9,26 +9,48 @@ import uuid
 from flask import Flask, redirect, url_for, request, render_template, flash, session
 from flask_bootstrap import Bootstrap
 import random
-
+import os
+import json
 
 def create_app(config_name):
     app = Flask(__name__) # initialization of the flask app
     Bootstrap(app) # allowing app to use bootstrap
 
+    def get_authorized_user():
+        username_keys = list(filter(lambda key: (request.headers.get(key)  is not None), vars.username_keys))
+        fullname_keys = list(filter(lambda key: (request.headers.get(key) is not None), vars.fullname_keys))
+        email_keys = list(filter(lambda key: (request.headers.get(key) is not None), vars.email_keys))
+
+        user = {
+            "username": (request.headers.get(username_keys[0]) if len(username_keys) > 0 else None),
+            "fullname": (request.headers.get(fullname_keys[0]) if len(fullname_keys) > 0 else None),
+            "email": (request.headers.get(email_keys[0]) if len(email_keys) > 0 else None),
+        }
+
+        return user
+
     @app.route('/', methods=['GET', 'POST']) # initial route to display the reg page
     def index():
 
         if 'uid' not in session:
             session['uid']=str(uuid.uuid4())
 
+        if 'user' not in session:
+            session["user"] = get_authorized_user()
+
         if "redir" in request.args and 'return_url' not in session: # check for redir arg in url
             session['return_url'] = request.args.get("redir")
+
         elif "redir" not in request.args and 'return_url' not in session:
             session['return_url'] = vars.default_referrer
         else:
             session['return_url'] = request.referrer
 
-        return render_template('auth/SignUp.html', room_id=session['uid'], referrer=session['return_url'])
+        return render_template('auth/SignUp.html', room_id=session['uid'],
+                               username=session['user'].get('username'),
+                               fullname=session['user'].get('fullname'), email=session['user'].get('email'),
+                               referrer=session['return_url'], cancel_url=vars.default_referrer)
+
 
     # misc page error catching
     @app.errorhandler(403)

app/static/scripts/function.js

@@ -14,3 +14,24 @@ function request_account() {
 function refresh() {
     document.location.reload(true);
 }
+
+function autofill_form(username, fullname, email) {
+        let username_input = document.getElementById("username");
+        let fullname_input = document.getElementById("fullname");
+        let email_input = document.getElementById("email");
+
+        if ((username.localeCompare("None")) !== 0) {
+            username_input.value = username;
+            username_input.disabled = "true";
+        }
+
+        if ((fullname.localeCompare("None")) !== 0) {
+            fullname_input.value = fullname;
+            fullname_input.disabled = "true";
+        }
+
+        if ((email.localeCompare("None")) !== 0) {
+            email_input.value = email;
+            email_input.disabled = "true";
+        }
+}

app/templates/auth/SignUp.html

@@ -86,24 +86,32 @@
 <!--   <h2>Hello, <span id="username">{{ user }}</span>!</h2> -->
 
     <h2>Hi, </h2>
-    <div id="test">
-    <form action="." method="post" onsubmit="">
-      <div class="signUpContainer">
-          <label><b><label for="username">Blazer Id: </label><br></b></label>
-            <input class="form-control" id="bid" name="bid" placeholder="Enter BlazerId" required="" type="text">
-          <label><b><label for="email">Email Id: </label><br></b></label>
-            <input class="form-control" id="email" name="email" placeholder="Enter Email Id" required="" type="text" pattern="[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,3}$" >
-          <label><b><label for="fullname">Full Name: </label><br></b></label>
-            <input class="form-control" id="fullname" name="fullname" placeholder="Enter Full Name" required="" type="text">
-          <label><b><label for="reason">Reason for Requesting Account: </label><br></b></label>
-            <textarea class="form-control" id="reason" name="reason" placeholder="Enter Reason for Account Request" required=""></textarea>
-          <input class="btn btn-primary btn-block" id="submit" name="submit" type="button" value="Submit" onclick="request_account()">
-
-        <div>
+    <div id="user-input">
+    
+    <form id="signup" data-toggle="validator" role="form" action="." method="post" onsubmit="">
+      <div class="form-group">
+          <label for="username" class="control-label">Blazer Id:</label>&#9;<input id="username" class="form-control"
+                                                             placeholder="Enter Username" required><br>
+      </div>
+        <div class="form-group">
+          <label for="fullname" class="control-label">Full Name:</label>&#9;<input id="fullname" class="form-control"
+                                                             placeholder="Enter Full Name" required><br>
+        </div>
+        <div class="form-group">
+          <label for="email" class="control-label">Email:</label>&#9;<input id="email" class="form-control"
+                                                      placeholder="Enter Email" required><br>
+        </div>
+        <div class="form-group">
+          <label for="reason" class="control-label">Reason for Requesting Account:</label><br>
+            <textarea class="form-control" id="reason" name="reason" placeholder="Enter Reason for Account Request" required></textarea>
+        </div>
+
+         <input class="btn btn-primary btn-block" id="submit" name="submit" type="button" value="Submit" onclick="request_account()">
+
+          <div>
             <strong id="error" style="color: #be051b; text-align: center;"></strong>
         </div>
 
-      </div>
     </form>
     </div>
     </div>

vars.py

@@ -3,4 +3,7 @@ password = ''
 key = ''
 broker_url =  'amqp://' + id + ':' + password + '@ohpc:5672/'
 message_queue =  broker_url + 'socketio'
-default_referrer = "/pun/sys/dashboard" 
+default_referrer = "/pun/sys/dashboard"
+username_keys = ["Remote-User"]
+fullname_keys = ["HTTP_DISPLAYNAME"]
+email_keys = ["HTTP_MAIL"]