src/shared/components/home/login.tsx

   1 import { Component, linkEvent } from "inferno";
   2 import { T } from "inferno-i18next";
   3 import {
   4   GetCaptchaResponse,
   5   GetSiteResponse,
   6   Login as LoginForm,
   7   LoginResponse,
   8   PasswordReset,
   9   Register,
  10   SiteView,
  11   UserOperation,
  12 } from "lemmy-js-client";
  13 import { Subscription } from "rxjs";
  14 import { i18n } from "../../i18next";
  15 import { UserService, WebSocketService } from "../../services";
  16 import {
  17   authField,
  18   isBrowser,
  19   joinLemmyUrl,
  20   setIsoData,
  21   toast,
  22   validEmail,
  23   wsClient,
  24   wsJsonToRes,
  25   wsSubscribe,
  26   wsUserOp,
  27 } from "../../utils";
  28 import { HtmlTags } from "../common/html-tags";
  29 import { Icon, Spinner } from "../common/icon";
  30
  31 interface State {
  32   loginForm: LoginForm;
  33   registerForm: Register;
  34   loginLoading: boolean;
  35   registerLoading: boolean;
  36   captcha: GetCaptchaResponse;
  37   captchaPlaying: boolean;
  38   site_view: SiteView;
  39 }
  40
  41 export class Login extends Component<any, State> {
  42   private isoData = setIsoData(this.context);
  43   private subscription: Subscription;
  44   private audio: HTMLAudioElement;
  45
  46   emptyState: State = {
  47     loginForm: {
  48       username_or_email: undefined,
  49       password: undefined,
  50     },
  51     registerForm: {
  52       username: undefined,
  53       password: undefined,
  54       password_verify: undefined,
  55       show_nsfw: false,
  56       captcha_uuid: undefined,
  57       captcha_answer: undefined,
  58     },
  59     loginLoading: false,
  60     registerLoading: false,
  61     captcha: undefined,
  62     captchaPlaying: false,
  63     site_view: this.isoData.site_res.site_view,
  64   };
  65
  66   constructor(props: any, context: any) {
  67     super(props, context);
  68
  69     this.state = this.emptyState;
  70
  71     this.parseMessage = this.parseMessage.bind(this);
  72     this.subscription = wsSubscribe(this.parseMessage);
  73
  74     if (isBrowser()) {
  75       WebSocketService.Instance.send(wsClient.getCaptcha());
  76     }
  77   }
  78
  79   componentWillUnmount() {
  80     if (isBrowser()) {
  81       this.subscription.unsubscribe();
  82     }
  83   }
  84
  85   get documentTitle(): string {
  86     return `${i18n.t("login")} - ${this.state.site_view.site.name}`;
  87   }
  88
  89   get isLemmyMl(): boolean {
  90     return isBrowser() && window.location.hostname == "lemmy.ml";
  91   }
  92
  93   render() {
  94     return (
  95       <div class="container">
  96         <HtmlTags
  97           title={this.documentTitle}
  98           path={this.context.router.route.match.url}
  99         />
 100         <div class="row">
 101           <div class="col-12 col-lg-6 mb-4">{this.loginForm()}</div>
 102           <div class="col-12 col-lg-6">{this.registerForm()}</div>
 103         </div>
 104       </div>
 105     );
 106   }
 107
 108   loginForm() {
 109     return (
 110       <div>
 111         <form onSubmit={linkEvent(this, this.handleLoginSubmit)}>
 112           <h5>{i18n.t("login")}</h5>
 113           <div class="form-group row">
 114             <label
 115               class="col-sm-2 col-form-label"
 116               htmlFor="login-email-or-username"
 117             >
 118               {i18n.t("email_or_username")}
 119             </label>
 120             <div class="col-sm-10">
 121               <input
 122                 type="text"
 123                 class="form-control"
 124                 id="login-email-or-username"
 125                 value={this.state.loginForm.username_or_email}
 126                 onInput={linkEvent(this, this.handleLoginUsernameChange)}
 127                 autoComplete="email"
 128                 required
 129                 minLength={3}
 130               />
 131             </div>
 132           </div>
 133           <div class="form-group row">
 134             <label class="col-sm-2 col-form-label" htmlFor="login-password">
 135               {i18n.t("password")}
 136             </label>
 137             <div class="col-sm-10">
 138               <input
 139                 type="password"
 140                 id="login-password"
 141                 value={this.state.loginForm.password}
 142                 onInput={linkEvent(this, this.handleLoginPasswordChange)}
 143                 class="form-control"
 144                 autoComplete="current-password"
 145                 required
 146                 maxLength={60}
 147               />
 148               <button
 149                 type="button"
 150                 onClick={linkEvent(this, this.handlePasswordReset)}
 151                 className="btn p-0 btn-link d-inline-block float-right text-muted small font-weight-bold pointer-events not-allowed"
 152                 disabled={!validEmail(this.state.loginForm.username_or_email)}
 153                 title={i18n.t("no_password_reset")}
 154               >
 155                 {i18n.t("forgot_password")}
 156               </button>
 157             </div>
 158           </div>
 159           <div class="form-group row">
 160             <div class="col-sm-10">
 161               <button type="submit" class="btn btn-secondary">
 162                 {this.state.loginLoading ? <Spinner /> : i18n.t("login")}
 163               </button>
 164             </div>
 165           </div>
 166         </form>
 167       </div>
 168     );
 169   }
 170
 171   registerForm() {
 172     return (
 173       <form onSubmit={linkEvent(this, this.handleRegisterSubmit)}>
 174         <h5>{i18n.t("sign_up")}</h5>
 175
 176         <div class="form-group row">
 177           <label class="col-sm-2 col-form-label" htmlFor="register-username">
 178             {i18n.t("username")}
 179           </label>
 180
 181           <div class="col-sm-10">
 182             <input
 183               type="text"
 184               id="register-username"
 185               class="form-control"
 186               value={this.state.registerForm.username}
 187               onInput={linkEvent(this, this.handleRegisterUsernameChange)}
 188               required
 189               minLength={3}
 190               maxLength={20}
 191               pattern="[a-zA-Z0-9_]+"
 192             />
 193           </div>
 194         </div>
 195
 196         <div class="form-group row">
 197           <label class="col-sm-2 col-form-label" htmlFor="register-email">
 198             {i18n.t("email")}
 199           </label>
 200           <div class="col-sm-10">
 201             <input
 202               type="email"
 203               id="register-email"
 204               class="form-control"
 205               placeholder={i18n.t("optional")}
 206               value={this.state.registerForm.email}
 207               autoComplete="email"
 208               onInput={linkEvent(this, this.handleRegisterEmailChange)}
 209               minLength={3}
 210             />
 211             {!validEmail(this.state.registerForm.email) && (
 212               <div class="mt-2 mb-0 alert alert-light" role="alert">
 213                 <Icon icon="alert-triangle" classes="icon-inline mr-2" />
 214                 {i18n.t("no_password_reset")}
 215               </div>
 216             )}
 217           </div>
 218         </div>
 219
 220         <div class="form-group row">
 221           <label class="col-sm-2 col-form-label" htmlFor="register-password">
 222             {i18n.t("password")}
 223           </label>
 224           <div class="col-sm-10">
 225             <input
 226               type="password"
 227               id="register-password"
 228               value={this.state.registerForm.password}
 229               autoComplete="new-password"
 230               onInput={linkEvent(this, this.handleRegisterPasswordChange)}
 231               maxLength={60}
 232               class="form-control"
 233               required
 234             />
 235           </div>
 236         </div>
 237
 238         <div class="form-group row">
 239           <label
 240             class="col-sm-2 col-form-label"
 241             htmlFor="register-verify-password"
 242           >
 243             {i18n.t("verify_password")}
 244           </label>
 245           <div class="col-sm-10">
 246             <input
 247               type="password"
 248               id="register-verify-password"
 249               value={this.state.registerForm.password_verify}
 250               autoComplete="new-password"
 251               onInput={linkEvent(this, this.handleRegisterPasswordVerifyChange)}
 252               maxLength={60}
 253               class="form-control"
 254               required
 255             />
 256           </div>
 257         </div>
 258
 259         {this.state.captcha && (
 260           <div class="form-group row">
 261             <label class="col-sm-2" htmlFor="register-captcha">
 262               <span class="mr-2">{i18n.t("enter_code")}</span>
 263               <button
 264                 type="button"
 265                 class="btn btn-secondary"
 266                 onClick={linkEvent(this, this.handleRegenCaptcha)}
 267                 aria-label={i18n.t("captcha")}
 268               >
 269                 <Icon icon="refresh-cw" classes="icon-refresh-cw" />
 270               </button>
 271             </label>
 272             {this.showCaptcha()}
 273             <div class="col-sm-6">
 274               <input
 275                 type="text"
 276                 class="form-control"
 277                 id="register-captcha"
 278                 value={this.state.registerForm.captcha_answer}
 279                 onInput={linkEvent(
 280                   this,
 281                   this.handleRegisterCaptchaAnswerChange
 282                 )}
 283                 required
 284               />
 285             </div>
 286           </div>
 287         )}
 288         {this.state.site_view.site.enable_nsfw && (
 289           <div class="form-group row">
 290             <div class="col-sm-10">
 291               <div class="form-check">
 292                 <input
 293                   class="form-check-input"
 294                   id="register-show-nsfw"
 295                   type="checkbox"
 296                   checked={this.state.registerForm.show_nsfw}
 297                   onChange={linkEvent(this, this.handleRegisterShowNsfwChange)}
 298                 />
 299                 <label class="form-check-label" htmlFor="register-show-nsfw">
 300                   {i18n.t("show_nsfw")}
 301                 </label>
 302               </div>
 303             </div>
 304           </div>
 305         )}
 306         {this.isLemmyMl && (
 307           <div class="mt-2 mb-0 alert alert-light" role="alert">
 308             <T i18nKey="lemmy_ml_registration_message">
 309               #<a href={joinLemmyUrl}>#</a>
 310             </T>
 311           </div>
 312         )}
 313         <div class="form-group row">
 314           <div class="col-sm-10">
 315             <button type="submit" class="btn btn-secondary">
 316               {this.state.registerLoading ? <Spinner /> : i18n.t("sign_up")}
 317             </button>
 318           </div>
 319         </div>
 320       </form>
 321     );
 322   }
 323
 324   showCaptcha() {
 325     return (
 326       <div class="col-sm-4">
 327         {this.state.captcha.ok && (
 328           <>
 329             <img
 330               class="rounded-top img-fluid"
 331               src={this.captchaPngSrc()}
 332               style="border-bottom-right-radius: 0; border-bottom-left-radius: 0;"
 333               alt={i18n.t("captcha")}
 334             />
 335             {this.state.captcha.ok.wav && (
 336               <button
 337                 class="rounded-bottom btn btn-sm btn-secondary btn-block"
 338                 style="border-top-right-radius: 0; border-top-left-radius: 0;"
 339                 title={i18n.t("play_captcha_audio")}
 340                 onClick={linkEvent(this, this.handleCaptchaPlay)}
 341                 type="button"
 342                 disabled={this.state.captchaPlaying}
 343               >
 344                 <Icon icon="play" classes="icon-play" />
 345               </button>
 346             )}
 347           </>
 348         )}
 349       </div>
 350     );
 351   }
 352
 353   handleLoginSubmit(i: Login, event: any) {
 354     event.preventDefault();
 355     i.state.loginLoading = true;
 356     i.setState(i.state);
 357     WebSocketService.Instance.send(wsClient.login(i.state.loginForm));
 358   }
 359
 360   handleLoginUsernameChange(i: Login, event: any) {
 361     i.state.loginForm.username_or_email = event.target.value;
 362     i.setState(i.state);
 363   }
 364
 365   handleLoginPasswordChange(i: Login, event: any) {
 366     i.state.loginForm.password = event.target.value;
 367     i.setState(i.state);
 368   }
 369
 370   handleRegisterSubmit(i: Login, event: any) {
 371     event.preventDefault();
 372     i.state.registerLoading = true;
 373     i.setState(i.state);
 374     WebSocketService.Instance.send(wsClient.register(i.state.registerForm));
 375   }
 376
 377   handleRegisterUsernameChange(i: Login, event: any) {
 378     i.state.registerForm.username = event.target.value;
 379     i.setState(i.state);
 380   }
 381
 382   handleRegisterEmailChange(i: Login, event: any) {
 383     i.state.registerForm.email = event.target.value;
 384     if (i.state.registerForm.email == "") {
 385       i.state.registerForm.email = undefined;
 386     }
 387     i.setState(i.state);
 388   }
 389
 390   handleRegisterPasswordChange(i: Login, event: any) {
 391     i.state.registerForm.password = event.target.value;
 392     i.setState(i.state);
 393   }
 394
 395   handleRegisterPasswordVerifyChange(i: Login, event: any) {
 396     i.state.registerForm.password_verify = event.target.value;
 397     i.setState(i.state);
 398   }
 399
 400   handleRegisterShowNsfwChange(i: Login, event: any) {
 401     i.state.registerForm.show_nsfw = event.target.checked;
 402     i.setState(i.state);
 403   }
 404
 405   handleRegisterCaptchaAnswerChange(i: Login, event: any) {
 406     i.state.registerForm.captcha_answer = event.target.value;
 407     i.setState(i.state);
 408   }
 409
 410   handleRegenCaptcha(i: Login) {
 411     i.audio = null;
 412     WebSocketService.Instance.send(wsClient.getCaptcha());
 413   }
 414
 415   handlePasswordReset(i: Login, event: any) {
 416     event.preventDefault();
 417     let resetForm: PasswordReset = {
 418       email: i.state.loginForm.username_or_email,
 419     };
 420     WebSocketService.Instance.send(wsClient.passwordReset(resetForm));
 421   }
 422
 423   handleCaptchaPlay(i: Login) {
 424     // This was a bad bug, it should only build the new audio on a new file.
 425     // Replays would stop prematurely if this was rebuilt every time.
 426     if (i.audio == null) {
 427       let base64 = `data:audio/wav;base64,${i.state.captcha.ok.wav}`;
 428       i.audio = new Audio(base64);
 429     }
 430
 431     i.audio.play();
 432
 433     i.state.captchaPlaying = true;
 434     i.setState(i.state);
 435
 436     i.audio.addEventListener("ended", () => {
 437       i.audio.currentTime = 0;
 438       i.state.captchaPlaying = false;
 439       i.setState(i.state);
 440     });
 441   }
 442
 443   captchaPngSrc() {
 444     return `data:image/png;base64,${this.state.captcha.ok.png}`;
 445   }
 446
 447   parseMessage(msg: any) {
 448     let op = wsUserOp(msg);
 449     console.log(msg);
 450     if (msg.error) {
 451       toast(i18n.t(msg.error), "danger");
 452       this.state = this.emptyState;
 453       this.state.registerForm.captcha_answer = undefined;
 454       // Refetch another captcha
 455       WebSocketService.Instance.send(wsClient.getCaptcha());
 456       this.setState(this.state);
 457       return;
 458     } else {
 459       if (op == UserOperation.Login) {
 460         let data = wsJsonToRes<LoginResponse>(msg).data;
 461         this.state = this.emptyState;
 462         this.setState(this.state);
 463         UserService.Instance.login(data);
 464         WebSocketService.Instance.send(
 465           wsClient.userJoin({
 466             auth: authField(),
 467           })
 468         );
 469         toast(i18n.t("logged_in"));
 470         this.props.history.push("/");
 471       } else if (op == UserOperation.Register) {
 472         let data = wsJsonToRes<LoginResponse>(msg).data;
 473         this.state = this.emptyState;
 474         this.setState(this.state);
 475         UserService.Instance.login(data);
 476         WebSocketService.Instance.send(
 477           wsClient.userJoin({
 478             auth: authField(),
 479           })
 480         );
 481         this.props.history.push("/communities");
 482       } else if (op == UserOperation.GetCaptcha) {
 483         let data = wsJsonToRes<GetCaptchaResponse>(msg).data;
 484         if (data.ok) {
 485           this.state.captcha = data;
 486           this.state.registerForm.captcha_uuid = data.ok.uuid;
 487           this.setState(this.state);
 488         }
 489       } else if (op == UserOperation.PasswordReset) {
 490         toast(i18n.t("reset_password_mail_sent"));
 491       } else if (op == UserOperation.GetSite) {
 492         let data = wsJsonToRes<GetSiteResponse>(msg).data;
 493         this.state.site_view = data.site_view;
 494         this.setState(this.state);
 495       }
 496     }
 497   }
 498 }