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