update Spring 2021, include support for video player

react-app/README.first

@@ -9,16 +9,12 @@ See https://github.com/facebook/create-react-app/blob/master/packages/react-scri
 for more details.
 
 For our server, you have to implement this by making the appropriate
-changes to how you serve static assets.
-An update to the base code sets up the -a switch to activate this behavior:
-https://git.cs.vt.edu/cs3214-staff/pserv/commit/65ee63d43ef92553cd3650b3e276d71e2f7daec5
-(Note that the patch doesn't contain the necessary fixes to handle_static_assets
-which will be part of future versions of this project.)
+changes to how you serve static assets if the -a switch is given.
 
 The necessary improvement can be made by substituting /index.html as the fname
 when the call to access() fails instead of returning 404.  However, for paths 
 denoting / or existing directories, you must also serve /index.html, which requires 
-a second check to see whether there is an existing directory (and serve /index.html 
+a second check to see whether there is an existing directory (and serve /index.html
 if so).
 
 Once you've made this addition, you can test the app as follows:
@@ -39,5 +35,7 @@ $ npm run build
 
 $ ./server -p yourport -a -R ../react-app/build
 
-(5) You should now be able to go to the app in http://localhost:10000/
+(5) Place one or more .mp4 files into ../react-app/build
+
+(6) You should now be able to go to the app in http://localhost:10000/
 

react-app/package.json

@@ -3,22 +3,19 @@
   "version": "0.2.0",
   "private": true,
   "dependencies": {
-    "@testing-library/jest-dom": "^4.2.4",
-    "@testing-library/react": "^9.5.0",
-    "@testing-library/user-event": "^7.2.1",
-    "react": "^16.13.1",
-    "react-dom": "^16.13.1",
-    "bootstrap": "^4.1.0",
-    "formik": "2.1.4",
+    "bootstrap": "^4.6.0",
+    "formik": "^2.2.6",
     "prop-types": "^15.6.1",
-    "react-redux": "7.2.0",
-    "react-router-dom": "5.1.2",
-    "react-script": "^2.0.5",
-    "react-scripts": "3.4.1",
-    "reactstrap": "8.4.1",
-    "redux": "^4.0.0",
-    "redux-thunk": "^2.2.0",
-    "superagent": "5.2.2",
+    "react": "^17.0.2",
+    "react-dom": "^17.0.2",
+    "react-player": "^2.9.0",
+    "react-redux": "^7.2.3",
+    "react-router-dom": "^5.2.0",
+    "react-scripts": "4.0.3",
+    "reactstrap": "^8.9.0",
+    "redux": "^4.0.5",
+    "redux-thunk": "^2.3.0",
+    "superagent": "^6.1.0",
     "toastr": "^2.1.4"
   },
   "scripts": {

react-app/src/NOTES

@@ -3,4 +3,5 @@ https://reacttraining.com/react-router/web/guides/redux-integration
 
 Updated Spring 2020 to React 16.13.1 and react-redux 7.2.0
 
-
+Updated Spring 2021 to React 17.0.2 and latest version of all other packages.
+- added support for video player

react-app/src/actions/video.js

@@ -0,0 +1,22 @@
+import api from '../api';
+import apiAction from './apiAction';
+import toastr from 'toastr';
+
+// this function is an "action creator"
+// the action created, however, is a thunk.
+// see apiAction.js
+export function list() {
+  return apiAction({
+    baseType: 'VIDEO',
+    fetch() {
+      return api.video.list();
+    },
+    onSuccess(dispatch, data, getState) {
+      data.list = data;
+      toastr.success(`Fetched video list with ${data.list.length} entries`);
+    },
+    onError(dispatch, data, getState) {
+      toastr.success(`Error fetching video list: ${JSON.stringify(data && data.response && data.response.text)}`);
+    },
+  });
+}

react-app/src/api/index.js

@@ -1,5 +1,7 @@
 import * as auth from './auth';
+import * as video from './video';
 
 export default {
-  auth
+  auth,
+  video
 };

react-app/src/api/video.js

@@ -0,0 +1,5 @@
+import { APIResource, buildURL } from './resource.js';
+
+export function list() {
+  return new APIResource(buildURL('/video')).get();
+}

react-app/src/components/forms/LoginForm.js

@@ -1,5 +1,5 @@
 import React from 'react';
-import { Row, Label, Input, Alert, Button, ButtonToolbar, Form, FormGroup } from 'reactstrap';
+import { Container, Row, Label, Input, Alert, Button, ButtonToolbar, Form, FormGroup } from 'reactstrap';
 import { withFormik } from 'formik';
 
 /*
@@ -24,6 +24,7 @@ const LoginForm = (props) => {
 
   return (
     <Form onSubmit={handleSubmit}>
+      <Container>
         <Row>
           <FormGroup>
             <Label for="username">User Name</Label>
@@ -64,6 +65,7 @@ const LoginForm = (props) => {
               </Button>
             </ButtonToolbar>
         </Row>
+      </Container>
     </Form>
   );
 };

react-app/src/config/index.js

@@ -18,7 +18,8 @@ const menus = {
             label: "Private",
             onlyifauthenticated: true,
             entries: [
-              { path: `/protected`, label: "Private Content" }
+              { path: `/protected`, label: "Private Content" },
+              { path: `/player`, label: "Play MP4" }
             ]
         }
     ]

react-app/src/containers/AppContainer.js

@@ -7,6 +7,7 @@ import PublicPage from '../pages/PublicPage';
 import NotFoundPage from '../pages/NotFoundPage';
 import HomePage from '../pages/HomePage';
 import PrivatePage from '../pages/PrivatePage';
+import PlayerPage from '../pages/PlayerPage';
 
 import { Switch, Route, withRouter } from 'react-router-dom';
 
@@ -31,6 +32,7 @@ const AppContainer = (props) => (
               <Route path={`/login`} component={LoginPage} />
               <Route path={`/public`} component={PublicPage} />
               <Route path={`/protected`} component={PrivatePage} />
+              <Route path={`/player`} component={PlayerPage} />
               <Route component={NotFoundPage} />
           </Switch>
       </div>

react-app/src/images/logo.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 841.9 595.3">
+    <g fill="#61DAFB">
+        <path d="M666.3 296.5c0-32.5-40.7-63.3-103.1-82.4 14.4-63.6 8-114.2-20.2-130.4-6.5-3.8-14.1-5.6-22.4-5.6v22.3c4.6 0 8.3.9 11.4 2.6 13.6 7.8 19.5 37.5 14.9 75.7-1.1 9.4-2.9 19.3-5.1 29.4-19.6-4.8-41-8.5-63.5-10.9-13.5-18.5-27.5-35.3-41.6-50 32.6-30.3 63.2-46.9 84-46.9V78c-27.5 0-63.5 19.6-99.9 53.6-36.4-33.8-72.4-53.2-99.9-53.2v22.3c20.7 0 51.4 16.5 84 46.6-14 14.7-28 31.4-41.3 49.9-22.6 2.4-44 6.1-63.6 11-2.3-10-4-19.7-5.2-29-4.7-38.2 1.1-67.9 14.6-75.8 3-1.8 6.9-2.6 11.5-2.6V78.5c-8.4 0-16 1.8-22.6 5.6-28.1 16.2-34.4 66.7-19.9 130.1-62.2 19.2-102.7 49.9-102.7 82.3 0 32.5 40.7 63.3 103.1 82.4-14.4 63.6-8 114.2 20.2 130.4 6.5 3.8 14.1 5.6 22.5 5.6 27.5 0 63.5-19.6 99.9-53.6 36.4 33.8 72.4 53.2 99.9 53.2 8.4 0 16-1.8 22.6-5.6 28.1-16.2 34.4-66.7 19.9-130.1 62-19.1 102.5-49.9 102.5-82.3zm-130.2-66.7c-3.7 12.9-8.3 26.2-13.5 39.5-4.1-8-8.4-16-13.1-24-4.6-8-9.5-15.8-14.4-23.4 14.2 2.1 27.9 4.7 41 7.9zm-45.8 106.5c-7.8 13.5-15.8 26.3-24.1 38.2-14.9 1.3-30 2-45.2 2-15.1 0-30.2-.7-45-1.9-8.3-11.9-16.4-24.6-24.2-38-7.6-13.1-14.5-26.4-20.8-39.8 6.2-13.4 13.2-26.8 20.7-39.9 7.8-13.5 15.8-26.3 24.1-38.2 14.9-1.3 30-2 45.2-2 15.1 0 30.2.7 45 1.9 8.3 11.9 16.4 24.6 24.2 38 7.6 13.1 14.5 26.4 20.8 39.8-6.3 13.4-13.2 26.8-20.7 39.9zm32.3-13c5.4 13.4 10 26.8 13.8 39.8-13.1 3.2-26.9 5.9-41.2 8 4.9-7.7 9.8-15.6 14.4-23.7 4.6-8 8.9-16.1 13-24.1zM421.2 430c-9.3-9.6-18.6-20.3-27.8-32 9 .4 18.2.7 27.5.7 9.4 0 18.7-.2 27.8-.7-9 11.7-18.3 22.4-27.5 32zm-74.4-58.9c-14.2-2.1-27.9-4.7-41-7.9 3.7-12.9 8.3-26.2 13.5-39.5 4.1 8 8.4 16 13.1 24 4.7 8 9.5 15.8 14.4 23.4zM420.7 163c9.3 9.6 18.6 20.3 27.8 32-9-.4-18.2-.7-27.5-.7-9.4 0-18.7.2-27.8.7 9-11.7 18.3-22.4 27.5-32zm-74 58.9c-4.9 7.7-9.8 15.6-14.4 23.7-4.6 8-8.9 16-13 24-5.4-13.4-10-26.8-13.8-39.8 13.1-3.1 26.9-5.8 41.2-7.9zm-90.5 125.2c-35.4-15.1-58.3-34.9-58.3-50.6 0-15.7 22.9-35.6 58.3-50.6 8.6-3.7 18-7 27.7-10.1 5.7 19.6 13.2 40 22.5 60.9-9.2 20.8-16.6 41.1-22.2 60.6-9.9-3.1-19.3-6.5-28-10.2zM310 490c-13.6-7.8-19.5-37.5-14.9-75.7 1.1-9.4 2.9-19.3 5.1-29.4 19.6 4.8 41 8.5 63.5 10.9 13.5 18.5 27.5 35.3 41.6 50-32.6 30.3-63.2 46.9-84 46.9-4.5-.1-8.3-1-11.3-2.7zm237.2-76.2c4.7 38.2-1.1 67.9-14.6 75.8-3 1.8-6.9 2.6-11.5 2.6-20.7 0-51.4-16.5-84-46.6 14-14.7 28-31.4 41.3-49.9 22.6-2.4 44-6.1 63.6-11 2.3 10.1 4.1 19.8 5.2 29.1zm38.5-66.7c-8.6 3.7-18 7-27.7 10.1-5.7-19.6-13.2-40-22.5-60.9 9.2-20.8 16.6-41.1 22.2-60.6 9.9 3.1 19.3 6.5 28.1 10.2 35.4 15.1 58.3 34.9 58.3 50.6-.1 15.7-23 35.6-58.4 50.6zM320.8 78.4z"/>
+        <circle cx="420.9" cy="296.5" r="45.7"/>
+        <path d="M520.5 78.1z"/>
+    </g>
+</svg>

react-app/src/pages/HomePage.js

@@ -1,27 +1,38 @@
 import React from 'react';
 import { Container, Row, Col } from 'reactstrap';
 import { Link } from 'react-router-dom';
-import logo from './logo.svg';
+import logo from '../images/logo.svg';
+import cs3214 from '../images/cs3214.png';
 
 let HomePage = (props) => (
   <Container>
-    <h1>CS3214 Demo App</h1>
-    <img alt="" src={logo} className="app-logo" />
+    <Row>
+      <h1>CS3214 Demo App</h1>
+    </Row>
     <Row>
       <Col>
-        <p>
-          This small <a href="https://reactjs.org/">React {React.version}</a> app
-            shows how to use the JWT authentication facilities of your
-            server in a progressive single-page web application.
-            </p>
+        <img alt="" src={logo} className="app-logo" />
+      </Col>
+      <Col>
+        <img alt="" src={cs3214} className="cs3214-logo" />
       </Col>
     </Row>
     <Row>
       <Col>
-        Click <Link to={`/protected`}>here</Link> to
-            navigate to a protected section of the app.
-        </Col>
+        <p>
+          This small <a href="https://reactjs.org/">React {React.version}</a>{" "}
+          app shows how to use the JWT authentication facilities of your server
+          in a progressive single-page web application.
+        </p>
+      </Col>
     </Row>
-  </Container >);
+    <Row>
+      <Col>
+        Click <Link to={`/protected`}>here</Link> to navigate to a protected
+        section of the app.
+      </Col>
+    </Row>
+  </Container>
+);
 
 export default HomePage

react-app/src/pages/LoginPage.js

@@ -8,7 +8,7 @@ import LoginForm from '../components/forms/LoginForm';
 import { Redirect } from 'react-router-dom';
 
 const LoginPage = (props) => {
-  let dispatch = useDispatch();
+  const dispatch = useDispatch();
   function doLogin({username, password}) {
     dispatch(login(username, password));
   }

react-app/src/pages/PlayerPage.js

@@ -0,0 +1,99 @@
+import React, { useEffect, useState } from 'react';
+import { useSelector, useDispatch } from 'react-redux';
+import { Container } from 'reactstrap';
+import RequireAuthentication from '../containers/RequireAuthentication';
+import ReactPlayer from 'react-player/lazy';
+import { isLoaded } from '../util/loadingObject'
+import { list } from '../actions/video.js';
+import { Col, Row, Label, Input, Button, ButtonToolbar, Form, FormGroup, Spinner } from 'reactstrap';
+import { Dropdown, DropdownToggle, DropdownMenu, DropdownItem } from 'reactstrap';
+
+const PlayerPage = () => {
+  const [dropdownOpen, setDropdownOpen] = useState(false);
+  const toggle = () => setDropdownOpen(prevState => !prevState);
+
+  const dispatch = useDispatch();
+
+  let videos = useSelector((state) => state.video);
+  let [state, setState] = useState({
+    url: ""
+  });
+  const handleChange = (event) => {
+    setState({
+      ...state,
+      [event.target.name]: event.target.value
+    })
+  }
+
+  useEffect(() => {
+    dispatch(list());
+  }, []);
+
+  const [ playUrl, setPlayUrl ] = useState("");
+  const handleSubmit = (event) => {
+    event.preventDefault();
+    setPlayUrl(state.url);
+  }
+
+  return (
+    <Container>
+      <Row>
+        <h1>Welcome to the Player page</h1>
+      </Row>
+      <Row>
+        <Form onSubmit={handleSubmit}>
+          <Container>
+            <Row>
+              <Col>
+                <FormGroup>
+                  <Label for="url">Enter URL</Label>
+                  <Input
+                    type="text"
+                    name="url"
+                    value={state.url}
+                    onChange={handleChange}
+                  />
+                </FormGroup>
+                <ButtonToolbar>
+                  <Button type="submit" bsstyle="success" className="mr-2">
+                    Submit
+                  </Button>
+                </ButtonToolbar>
+              </Col>
+              <Col>
+                or select one from the list of
+                {!isLoaded(videos) ? (
+                  <Spinner size="lg" color="primary" />
+                ) : (
+                  <Dropdown isOpen={dropdownOpen} toggle={toggle}>
+                    <DropdownToggle caret>Available MP4s</DropdownToggle>
+                    <DropdownMenu>
+                      {videos.list.map((v) => (
+                        <DropdownItem
+                          key={v.name}
+                          onClick={() => setPlayUrl(v.name)}
+                        >
+                          {v.name}
+                        </DropdownItem>
+                      ))}
+                    </DropdownMenu>
+                  </Dropdown>
+                )}
+              </Col>
+            </Row>
+          </Container>
+        </Form>
+      </Row>
+
+      <Row className="mt-3">
+        If your implementation of range byte requests works, you should be able
+        to stream MP4 from your server.
+      </Row>
+      <Row className="mt-3">
+        <ReactPlayer url={playUrl} controls={true} />
+      </Row>
+    </Container>
+  );
+};
+
+export default RequireAuthentication(PlayerPage);

react-app/src/pages/PrivatePage.js

@@ -1,6 +1,6 @@
 import React from 'react';
 import { useSelector } from 'react-redux';
-import { Container } from 'reactstrap';
+import { Container, Row } from 'reactstrap';
 import RequireAuthentication from '../containers/RequireAuthentication';
 
 const PrivatePage = () => {
@@ -8,16 +8,18 @@ const PrivatePage = () => {
 
   return (<Container>
     <h1>Welcome to a private page</h1>
-    <div>
-      You have successfully authenticated as user <tt>{user.sub}</tt>.
+    <Row className="mt-3">
+      You have successfully authenticated as user&nbsp;<span>{user.sub}</span>.
+    </Row>
+    <Row className="mt-3">
       Your token was issued at {new Date(user.iat*1000).toString()}, 
       it expires {new Date(user.exp*1000).toString()}
-    </div>
-    <div>
+    </Row>
+    <Row className="mt-3">
       This page is "private" only inasmuch as the front-end does not
       display it to unauthenticated users.  In a fully-fledged app,
       this page would now perform API requests that require authentication.
-    </div>
+    </Row>
   </Container>);
 }
 

react-app/src/reducers/auth.js

@@ -19,7 +19,7 @@ const loginHandler = asyncHandler('LOGIN', initialState);
 const checkloginHandler = asyncHandler('CHECKLOGIN', initialState);
 
 export default function(state = initialState, action) {
-    let newState;
+    let newState = state;
     if (action.type.startsWith('LOGIN:')) {
         newState = loginHandler(state, action);
     }

react-app/src/reducers/root.js

@@ -1,10 +1,11 @@
 import { combineReducers } from 'redux';
 
 import auth from './auth';
+import video from './video';
 
 const rootReducer = combineReducers({
-  auth
+  auth: auth,
+  video: video
 });
 
-export default rootReducer;
-
+export default rootReducer;

react-app/src/reducers/video.js

@@ -0,0 +1,3 @@
+import asyncHandler from './asyncHandler';
+
+export default asyncHandler('VIDEO')

react-app/src/style/logo.css

@@ -11,3 +11,7 @@
     transform: rotate(360deg);
   }
 }
+
+.cs3214-logo {
+  height: 19vmin;
+}