src/shared/components/home/login.tsx

   1 import { Component, linkEvent } from "inferno";
   2 import {
   3   GetSiteResponse,
   4   Login as LoginI,
   5   LoginResponse,
   6   PasswordReset,
   7   UserOperation,
   8   wsJsonToRes,
   9   wsUserOp,
  10 } from "lemmy-js-client";
  11 import { Subscription } from "rxjs";
  12 import { i18n } from "../../i18next";
  13 import { UserService, WebSocketService } from "../../services";
  14 import {
  15   isBrowser,
  16   setIsoData,
  17   toast,
  18   validEmail,
  19   wsClient,
  20   wsSubscribe,
  21 } from "../../utils";
  22 import { HtmlTags } from "../common/html-tags";
  23 import { Spinner } from "../common/icon";
  24
  25 interface State {
  26   form: {
  27     username_or_email?: string;
  28     password?: string;
  29     totp_2fa_token?: string;
  30   };
  31   loginLoading: boolean;
  32   showTotp: boolean;
  33   siteRes: GetSiteResponse;
  34 }
  35
  36 export class Login extends Component<any, State> {
  37   private isoData = setIsoData(this.context);
  38   private subscription?: Subscription;
  39
  40   state: State = {
  41     form: {},
  42     loginLoading: false,
  43     showTotp: false,
  44     siteRes: this.isoData.site_res,
  45   };
  46
  47   constructor(props: any, context: any) {
  48     super(props, context);
  49
  50     this.parseMessage = this.parseMessage.bind(this);
  51     this.subscription = wsSubscribe(this.parseMessage);
  52
  53     if (isBrowser()) {
  54       WebSocketService.Instance.send(wsClient.getCaptcha());
  55     }
  56   }
  57
  58   componentDidMount() {
  59     // Navigate to home if already logged in
  60     if (UserService.Instance.myUserInfo) {
  61       this.context.router.history.push("/");
  62     }
  63   }
  64
  65   componentWillUnmount() {
  66     if (isBrowser()) {
  67       this.subscription?.unsubscribe();
  68     }
  69   }
  70
  71   get documentTitle(): string {
  72     return `${i18n.t("login")} - ${this.state.siteRes.site_view.site.name}`;
  73   }
  74
  75   get isLemmyMl(): boolean {
  76     return isBrowser() && window.location.hostname == "lemmy.ml";
  77   }
  78
  79   render() {
  80     return (
  81       <div className="container-lg">
  82         <HtmlTags
  83           title={this.documentTitle}
  84           path={this.context.router.route.match.url}
  85         />
  86         <div className="row">
  87           <div className="col-12 col-lg-6 offset-lg-3">{this.loginForm()}</div>
  88         </div>
  89       </div>
  90     );
  91   }
  92
  93   loginForm() {
  94     return (
  95       <div>
  96         <form onSubmit={linkEvent(this, this.handleLoginSubmit)}>
  97           <h5>{i18n.t("login")}</h5>
  98           <div className="form-group row">
  99             <label
 100               className="col-sm-2 col-form-label"
 101               htmlFor="login-email-or-username"
 102             >
 103               {i18n.t("email_or_username")}
 104             </label>
 105             <div className="col-sm-10">
 106               <input
 107                 type="text"
 108                 className="form-control"
 109                 id="login-email-or-username"
 110                 value={this.state.form.username_or_email}
 111                 onInput={linkEvent(this, this.handleLoginUsernameChange)}
 112                 autoComplete="email"
 113                 required
 114                 minLength={3}
 115               />
 116             </div>
 117           </div>
 118           <div className="form-group row">
 119             <label className="col-sm-2 col-form-label" htmlFor="login-password">
 120               {i18n.t("password")}
 121             </label>
 122             <div className="col-sm-10">
 123               <input
 124                 type="password"
 125                 id="login-password"
 126                 value={this.state.form.password}
 127                 onInput={linkEvent(this, this.handleLoginPasswordChange)}
 128                 className="form-control"
 129                 autoComplete="current-password"
 130                 required
 131                 maxLength={60}
 132               />
 133               <button
 134                 type="button"
 135                 onClick={linkEvent(this, this.handlePasswordReset)}
 136                 className="btn p-0 btn-link d-inline-block float-right text-muted small font-weight-bold pointer-events not-allowed"
 137                 disabled={
 138                   !!this.state.form.username_or_email &&
 139                   !validEmail(this.state.form.username_or_email)
 140                 }
 141                 title={i18n.t("no_password_reset")}
 142               >
 143                 {i18n.t("forgot_password")}
 144               </button>
 145             </div>
 146           </div>
 147           {this.state.showTotp && (
 148             <div className="form-group row">
 149               <label
 150                 className="col-sm-6 col-form-label"
 151                 htmlFor="login-totp-token"
 152               >
 153                 {i18n.t("two_factor_token")}
 154               </label>
 155               <div className="col-sm-6">
 156                 <input
 157                   type="number"
 158                   inputMode="numeric"
 159                   className="form-control"
 160                   id="login-totp-token"
 161                   pattern="[0-9]*"
 162                   autoComplete="one-time-code"
 163                   value={this.state.form.totp_2fa_token}
 164                   onInput={linkEvent(this, this.handleLoginTotpChange)}
 165                 />
 166               </div>
 167             </div>
 168           )}
 169           <div className="form-group row">
 170             <div className="col-sm-10">
 171               <button type="submit" className="btn btn-secondary">
 172                 {this.state.loginLoading ? <Spinner /> : i18n.t("login")}
 173               </button>
 174             </div>
 175           </div>
 176         </form>
 177       </div>
 178     );
 179   }
 180
 181   handleLoginSubmit(i: Login, event: any) {
 182     event.preventDefault();
 183     i.setState({ loginLoading: true });
 184     let lForm = i.state.form;
 185     let username_or_email = lForm.username_or_email;
 186     let password = lForm.password;
 187     let totp_2fa_token = lForm.totp_2fa_token;
 188     if (username_or_email && password) {
 189       let form: LoginI = {
 190         username_or_email,
 191         password,
 192         totp_2fa_token,
 193       };
 194       WebSocketService.Instance.send(wsClient.login(form));
 195     }
 196   }
 197
 198   handleLoginUsernameChange(i: Login, event: any) {
 199     i.state.form.username_or_email = event.target.value;
 200     i.setState(i.state);
 201   }
 202
 203   handleLoginTotpChange(i: Login, event: any) {
 204     i.state.form.totp_2fa_token = event.target.value;
 205     i.setState(i.state);
 206   }
 207
 208   handleLoginPasswordChange(i: Login, event: any) {
 209     i.state.form.password = event.target.value;
 210     i.setState(i.state);
 211   }
 212
 213   handlePasswordReset(i: Login, event: any) {
 214     event.preventDefault();
 215     let email = i.state.form.username_or_email;
 216     if (email) {
 217       let resetForm: PasswordReset = { email };
 218       WebSocketService.Instance.send(wsClient.passwordReset(resetForm));
 219     }
 220   }
 221
 222   parseMessage(msg: any) {
 223     let op = wsUserOp(msg);
 224     console.log(msg);
 225     if (msg.error) {
 226       // If the error comes back that the token is missing, show the TOTP field
 227       if (msg.error == "missing_totp_token") {
 228         this.setState({ showTotp: true, loginLoading: false });
 229         toast(i18n.t("enter_two_factor_code"));
 230         return;
 231       } else {
 232         toast(i18n.t(msg.error), "danger");
 233         this.setState({ form: {}, loginLoading: false });
 234         return;
 235       }
 236     } else {
 237       if (op == UserOperation.Login) {
 238         let data = wsJsonToRes<LoginResponse>(msg);
 239         UserService.Instance.login(data);
 240         this.props.history.push("/");
 241         location.reload();
 242       } else if (op == UserOperation.PasswordReset) {
 243         toast(i18n.t("reset_password_mail_sent"));
 244       } else if (op == UserOperation.GetSite) {
 245         let data = wsJsonToRes<GetSiteResponse>(msg);
 246         this.setState({ siteRes: data });
 247       }
 248     }
 249   }
 250 }