src/shared/components/home/login.tsx

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