services/workbench2/src/views-components/login-form/login-form.tsx

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 import React from 'react';
   6 import { useState, useEffect, useRef } from 'react';
   7 import { CustomStyleRulesCallback } from 'common/custom-theme';
   8 import { withStyles, WithStyles } from '@material-ui/core/styles';
   9 import CircularProgress from '@material-ui/core/CircularProgress';
  10 import { Button, Card, CardContent, TextField, CardActions } from '@material-ui/core';
  11 import { green } from '@material-ui/core/colors';
  12 import { AxiosPromise } from 'axios';
  13 import { DispatchProp } from 'react-redux';
  14 import { saveApiToken } from 'store/auth/auth-action';
  15 import { navigateToRootProject } from 'store/navigation/navigation-action';
  16 import { replace } from 'react-router-redux';
  17 import { PasswordLoginResponse } from 'views/login-panel/login-panel';
  18
  19 type CssRules = 'root' | 'loginBtn' | 'card' | 'wrapper' | 'progress';
  20
  21 const styles: CustomStyleRulesCallback<CssRules> = theme => ({
  22     root: {
  23         display: 'flex',
  24         flexWrap: 'wrap',
  25         width: '100%',
  26         margin: `${theme.spacing(1)} auto`
  27     },
  28     loginBtn: {
  29         marginTop: theme.spacing(1),
  30         flexGrow: 1
  31     },
  32     card: {
  33         marginTop: theme.spacing(1),
  34         width: '100%'
  35     },
  36     wrapper: {
  37         margin: theme.spacing(1),
  38         position: 'relative',
  39     },
  40     progress: {
  41         color: green[500],
  42         position: 'absolute',
  43         top: '50%',
  44         left: '50%',
  45         marginTop: -12,
  46         marginLeft: -12,
  47     },
  48 });
  49
  50 type LoginFormProps = DispatchProp<any> & WithStyles<CssRules> & {
  51     handleSubmit: (username: string, password: string) => AxiosPromise<PasswordLoginResponse>;
  52     loginLabel?: string,
  53 };
  54
  55 export const LoginForm = withStyles(styles)(
  56     ({ handleSubmit, loginLabel, dispatch, classes }: LoginFormProps) => {
  57         const userInput = useRef<HTMLInputElement>(null);
  58         const [username, setUsername] = useState('');
  59         const [password, setPassword] = useState('');
  60         const [isButtonDisabled, setIsButtonDisabled] = useState(true);
  61         const [isSubmitting, setSubmitting] = useState(false);
  62         const [helperText, setHelperText] = useState('');
  63         const [error, setError] = useState(false);
  64
  65         useEffect(() => {
  66             setError(false);
  67             setHelperText('');
  68             if (username.trim() && password.trim()) {
  69                 setIsButtonDisabled(false);
  70             } else {
  71                 setIsButtonDisabled(true);
  72             }
  73         }, [username, password]);
  74
  75         // This only runs once after render.
  76         useEffect(() => {
  77             setFocus();
  78         }, []);
  79
  80         const setFocus = () => {
  81             userInput.current!.focus();
  82         };
  83
  84         const handleLogin = () => {
  85             setError(false);
  86             setHelperText('');
  87             setSubmitting(true);
  88             handleSubmit(username, password)
  89                 .then((response) => {
  90                     setSubmitting(false);
  91                     if (response.data.uuid && response.data.api_token) {
  92                         const apiToken = `v2/${response.data.uuid}/${response.data.api_token}`;
  93                         const rd = new URL(window.location.href);
  94                         const rdUrl = rd.pathname + rd.search;
  95                         dispatch<any>(saveApiToken(apiToken)).finally(
  96                             () => {
  97                                 if ((new URL(window.location.href).pathname) !== '/my-account') {
  98                                     rdUrl === '/' ? dispatch(navigateToRootProject) : dispatch(replace(rdUrl))
  99                                 }
 100                             }
 101                         );
 102                     } else {
 103                         setError(true);
 104                         setHelperText(response.data.message || 'Please try again');
 105                         setFocus();
 106                     }
 107                 })
 108                 .catch((err) => {
 109                     setError(true);
 110                     setSubmitting(false);
 111                     setHelperText(`${(err.response && err.response.data && err.response.data.errors[0]) || 'Error logging in: ' + err}`);
 112                     setFocus();
 113                 });
 114         };
 115
 116         const handleKeyPress = (e: any) => {
 117             if (e.keyCode === 13 || e.which === 13) {
 118                 if (!isButtonDisabled) {
 119                     handleLogin();
 120                 }
 121             }
 122         };
 123
 124         return (
 125             <React.Fragment>
 126                 <form className={classes.root} noValidate autoComplete="off">
 127                     <Card className={classes.card}>
 128                         <div className={classes.wrapper}>
 129                             <CardContent>
 130                                 <TextField
 131                                     inputRef={userInput}
 132                                     disabled={isSubmitting}
 133                                     error={error} fullWidth id="username" type="email"
 134                                     label="Username" margin="normal"
 135                                     onChange={(e) => setUsername(e.target.value)}
 136                                     onKeyPress={(e) => handleKeyPress(e)}
 137                                 />
 138                                 <TextField
 139                                     disabled={isSubmitting}
 140                                     error={error} fullWidth id="password" type="password"
 141                                     label="Password" margin="normal"
 142                                     helperText={helperText}
 143                                     onChange={(e) => setPassword(e.target.value)}
 144                                     onKeyPress={(e) => handleKeyPress(e)}
 145                                 />
 146                             </CardContent>
 147                             <CardActions>
 148                                 <Button variant="contained" size="large" color="primary"
 149                                     className={classes.loginBtn} onClick={() => handleLogin()}
 150                                     disabled={isSubmitting || isButtonDisabled}>
 151                                     {loginLabel || 'Log in'}
 152                                 </Button>
 153                             </CardActions>
 154                             {isSubmitting && <CircularProgress color='secondary' className={classes.progress} />}
 155                         </div>
 156                     </Card>
 157                 </form>
 158             </React.Fragment>
 159         );
 160     });