Allow requesting user API key

app/src/frontend/app.js

@@ -27,6 +27,7 @@ class App extends React.Component {
             building: props.building,
         };
         this.login = this.login.bind(this);
+        this.updateUser = this.updateUser.bind(this);
         this.logout = this.logout.bind(this);
         this.selectBuilding = this.selectBuilding.bind(this);
     }
@@ -39,6 +40,11 @@ class App extends React.Component {
         this.setState({user: user});
     }
 
+    updateUser(user){
+        console.log(user);
+        this.setState({user: { ...this.state.user, ...user }});
+    }
+
     logout() {
         this.setState({user: undefined});
     }
@@ -94,7 +100,11 @@ class App extends React.Component {
                             <SignUp user={this.state.user} login={this.login} />
                         </Route>
                         <Route exact path="/my-account.html">
-                            <MyAccountPage user={this.state.user} logout={this.logout} />
+                            <MyAccountPage
+                                user={this.state.user}
+                                updateUser={this.updateUser}
+                                logout={this.logout}
+                                />
                         </Route>
                         <Route component={NotFound} />
                     </Switch>

app/src/frontend/my-account.js

@@ -9,10 +9,11 @@ class MyAccountPage extends Component {
         this.state = {
             error: undefined
         };
-        this.handleSubmit = this.handleSubmit.bind(this);
+        this.handleLogout = this.handleLogout.bind(this);
+        this.handleGenerateKey = this.handleGenerateKey.bind(this);
     }
 
-    handleSubmit(event) {
+    handleLogout(event) {
         event.preventDefault();
         this.setState({error: undefined});
 
@@ -32,24 +33,66 @@ class MyAccountPage extends Component {
         );
     }
 
+    handleGenerateKey(event) {
+        event.preventDefault();
+        this.setState({error: undefined});
+
+        fetch('/api/key', {
+            method: 'POST',
+            credentials: 'same-origin'
+        }).then(
+            res => res.json()
+        ).then(function(res){
+            if (res.error) {
+                this.setState({error: res.error})
+            } else {
+                this.props.updateUser(res);
+            }
+        }.bind(this)).catch(
+            (err) => this.setState({error: err})
+        );
+    }
+
     render() {
         if (this.props.user && !this.props.user.error) {
             return (
                 <article>
                     <section className="main-col">
                         <h1 className="h1">Welcome, {this.props.user.username}!</h1>
-                        <p className="lead">
+                        <p>
 
                         Colouring London is under active development, please report any
                         bugs on <a href="http://github.com/tomalrussell/colouring-london/issues">
                         GitHub</a>.
 
                         </p>
-                        <Link to="/map/age.html" className="btn btn-primary">Start colouring</Link>
                         <ErrorBox msg={this.state.error} />
-                        <form method="POST" action="/logout" onSubmit={this.handleSubmit}>
+                        <form method="POST" action="/logout" onSubmit={this.handleLogout}>
-                            <input className="btn btn-secondary" type="submit" value="Log out"/>
+                            <div className="buttons-container">
+                                <Link to="/map/age.html" className="btn btn-primary">Start colouring</Link>
+                                <input className="btn btn-secondary" type="submit" value="Log out"/>
+                            </div>
                         </form>
+
+                        <hr/>
+
+                        <h2 className="h2">My Details</h2>
+                        <h3 className="h3">Username</h3>
+                        <p>{this.props.user.username}</p>
+                        <h3 className="h3">Email Address</h3>
+                        <p>{this.props.user.email? this.props.user.email : '-'}</p>
+                        <h3 className="h3">Registered</h3>
+                        <p>{this.props.user.registered.toString()}</p>
+
+                        <hr/>
+
+                        <h2 className="h2">Experimental features</h2>
+                        <h3 className="h3">API key</h3>
+                        <p>{this.props.user.api_key? this.props.user.api_key : '-'}</p>
+                        <form method="POST" action="/api/key" onSubmit={this.handleGenerateKey}>
+                            <input className="btn btn-primary" type="submit" value="Generate API key"/>
+                        </form>
+
                     </section>
                 </article>
             );

app/src/server.js

@@ -16,7 +16,7 @@ import pgConnect from 'connect-pg-simple';
 
 import App from './frontend/app';
 import db from './db';
-import { authUser, createUser, getUserById } from './user';
+import { authUser, createUser, getUserById, getNewUserAPIKey } from './user';
 import { queryBuildingsAtPoint, queryBuildingsByReference, getBuildingById,
          saveBuilding } from './building';
 import tileserver from './tileserver';
@@ -281,4 +281,18 @@ server.get('/users/me', function(req, res){
     });
 });
 
+// POST generate API key
+server.post('/api/key', function(req, res){
+    if (!req.session.user_id) {
+        res.send({error: 'Must be logged in'});
+        return
+    }
+
+    getNewUserAPIKey(req.session.user_id).then(function(api_key){
+        res.send(api_key);
+    }).catch(function(error){
+        res.send(error);
+    });
+})
+
 export default server;

app/src/user.js

@@ -73,7 +73,7 @@ function authUser(username, password) {
 function getUserById(user_id) {
     return db.one(
         `SELECT
-            username, email, registered
+            username, email, registered, api_key
         FROM users
         WHERE
         user_id = $1
@@ -86,4 +86,23 @@ function getUserById(user_id) {
     });
 }
 
-export { getUserById, createUser, authUser }
+function getNewUserAPIKey(user_id) {
+    return db.one(
+        `UPDATE
+            users
+        SET
+            api_key = gen_random_uuid()
+        WHERE
+            user_id = $1
+        RETURNING
+            api_key
+        `, [
+            user_id
+        ]
+    ).catch(function(error){
+        console.error('Error:', error)
+        return {error: 'Failed to generate new API key.'};
+    });
+}
+
+export { getUserById, createUser, authUser, getNewUserAPIKey }

migrations/001.core.up.sql

@@ -89,7 +89,9 @@ CREATE TABLE IF NOT EXISTS users (
     -- user category (optional, self-selected)
     category integer REFERENCES user_categories NOT NULL DEFAULT 1,
     -- user access level (essential, default untrusted)
-    access_level integer REFERENCES user_access_levels NOT NULL DEFAULT 1
+    access_level integer REFERENCES user_access_levels NOT NULL DEFAULT 1,
+    -- user API key - to give limited query/edit access
+    api_key uuid UNIQUE default NULL
 );
 ALTER TABLE users ADD CONSTRAINT users_username_len CHECK (length(username) < 30);
 ALTER TABLE users ADD CONSTRAINT users_email_len CHECK (length(email) < 50);