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               pattern="[a-zA-Z0-9_]+"
 191             />
 192           </div>
 193         </div>
 194
 195         <div class="form-group row">
 196           <label class="col-sm-2 col-form-label" htmlFor="register-email">
 197             {i18n.t("email")}
 198           </label>
 199           <div class="col-sm-10">
 200             <input
 201               type="email"
 202               id="register-email"
 203               class="form-control"
 204               placeholder={i18n.t("optional")}
 205               value={this.state.registerForm.email}
 206               autoComplete="email"
 207               onInput={linkEvent(this, this.handleRegisterEmailChange)}
 208               minLength={3}
 209             />
 210             {!validEmail(this.state.registerForm.email) && (
 211               <div class="mt-2 mb-0 alert alert-light" role="alert">
 212                 <Icon icon="alert-triangle" classes="icon-inline mr-2" />
 213                 {i18n.t("no_password_reset")}
 214               </div>
 215             )}
 216           </div>
 217         </div>
 218
 219         <div class="form-group row">
 220           <label class="col-sm-2 col-form-label" htmlFor="register-password">
 221             {i18n.t("password")}
 222           </label>
 223           <div class="col-sm-10">
 224             <input
 225               type="password"
 226               id="register-password"
 227               value={this.state.registerForm.password}
 228               autoComplete="new-password"
 229               onInput={linkEvent(this, this.handleRegisterPasswordChange)}
 230               maxLength={60}
 231               class="form-control"
 232               required
 233             />
 234           </div>
 235         </div>
 236
 237         <div class="form-group row">
 238           <label
 239             class="col-sm-2 col-form-label"
 240             htmlFor="register-verify-password"
 241           >
 242             {i18n.t("verify_password")}
 243           </label>
 244           <div class="col-sm-10">
 245             <input
 246               type="password"
 247               id="register-verify-password"
 248               value={this.state.registerForm.password_verify}
 249               autoComplete="new-password"
 250               onInput={linkEvent(this, this.handleRegisterPasswordVerifyChange)}
 251               maxLength={60}
 252               class="form-control"
 253               required
 254             />
 255           </div>
 256         </div>
 257
 258         {this.state.captcha && (
 259           <div class="form-group row">
 260             <label class="col-sm-2" htmlFor="register-captcha">
 261               <span class="mr-2">{i18n.t("enter_code")}</span>
 262               <button
 263                 type="button"
 264                 class="btn btn-secondary"
 265                 onClick={linkEvent(this, this.handleRegenCaptcha)}
 266                 aria-label={i18n.t("captcha")}
 267               >
 268                 <Icon icon="refresh-cw" classes="icon-refresh-cw" />
 269               </button>
 270             </label>
 271             {this.showCaptcha()}
 272             <div class="col-sm-6">
 273               <input
 274                 type="text"
 275                 class="form-control"
 276                 id="register-captcha"
 277                 value={this.state.registerForm.captcha_answer}
 278                 onInput={linkEvent(
 279                   this,
 280                   this.handleRegisterCaptchaAnswerChange
 281                 )}
 282                 required
 283               />
 284             </div>
 285           </div>
 286         )}
 287         {this.state.site_view.site.enable_nsfw && (
 288           <div class="form-group row">
 289             <div class="col-sm-10">
 290               <div class="form-check">
 291                 <input
 292                   class="form-check-input"
 293                   id="register-show-nsfw"
 294                   type="checkbox"
 295                   checked={this.state.registerForm.show_nsfw}
 296                   onChange={linkEvent(this, this.handleRegisterShowNsfwChange)}
 297                 />
 298                 <label class="form-check-label" htmlFor="register-show-nsfw">
 299                   {i18n.t("show_nsfw")}
 300                 </label>
 301               </div>
 302             </div>
 303           </div>
 304         )}
 305         {this.isLemmyMl && (
 306           <div class="mt-2 mb-0 alert alert-light" role="alert">
 307             <T i18nKey="lemmy_ml_registration_message">
 308               #<a href={joinLemmyUrl}>#</a>
 309             </T>
 310           </div>
 311         )}
 312         <div class="form-group row">
 313           <div class="col-sm-10">
 314             <button type="submit" class="btn btn-secondary">
 315               {this.state.registerLoading ? <Spinner /> : i18n.t("sign_up")}
 316             </button>
 317           </div>
 318         </div>
 319       </form>
 320     );
 321   }
 322
 323   showCaptcha() {
 324     return (
 325       <div class="col-sm-4">
 326         {this.state.captcha.ok && (
 327           <>
 328             <img
 329               class="rounded-top img-fluid"
 330               src={this.captchaPngSrc()}
 331               style="border-bottom-right-radius: 0; border-bottom-left-radius: 0;"
 332               alt={i18n.t("captcha")}
 333             />
 334             {this.state.captcha.ok.wav && (
 335               <button
 336                 class="rounded-bottom btn btn-sm btn-secondary btn-block"
 337                 style="border-top-right-radius: 0; border-top-left-radius: 0;"
 338                 title={i18n.t("play_captcha_audio")}
 339                 onClick={linkEvent(this, this.handleCaptchaPlay)}
 340                 type="button"
 341                 disabled={this.state.captchaPlaying}
 342               >
 343                 <Icon icon="play" classes="icon-play" />
 344               </button>
 345             )}
 346           </>
 347         )}
 348       </div>
 349     );
 350   }
 351
 352   handleLoginSubmit(i: Login, event: any) {
 353     event.preventDefault();
 354     i.state.loginLoading = true;
 355     i.setState(i.state);
 356     WebSocketService.Instance.send(wsClient.login(i.state.loginForm));
 357   }
 358
 359   handleLoginUsernameChange(i: Login, event: any) {
 360     i.state.loginForm.username_or_email = event.target.value;
 361     i.setState(i.state);
 362   }
 363
 364   handleLoginPasswordChange(i: Login, event: any) {
 365     i.state.loginForm.password = event.target.value;
 366     i.setState(i.state);
 367   }
 368
 369   handleRegisterSubmit(i: Login, event: any) {
 370     event.preventDefault();
 371     i.state.registerLoading = true;
 372     i.setState(i.state);
 373     WebSocketService.Instance.send(wsClient.register(i.state.registerForm));
 374   }
 375
 376   handleRegisterUsernameChange(i: Login, event: any) {
 377     i.state.registerForm.username = event.target.value;
 378     i.setState(i.state);
 379   }
 380
 381   handleRegisterEmailChange(i: Login, event: any) {
 382     i.state.registerForm.email = event.target.value;
 383     if (i.state.registerForm.email == "") {
 384       i.state.registerForm.email = undefined;
 385     }
 386     i.setState(i.state);
 387   }
 388
 389   handleRegisterPasswordChange(i: Login, event: any) {
 390     i.state.registerForm.password = event.target.value;
 391     i.setState(i.state);
 392   }
 393
 394   handleRegisterPasswordVerifyChange(i: Login, event: any) {
 395     i.state.registerForm.password_verify = event.target.value;
 396     i.setState(i.state);
 397   }
 398
 399   handleRegisterShowNsfwChange(i: Login, event: any) {
 400     i.state.registerForm.show_nsfw = event.target.checked;
 401     i.setState(i.state);
 402   }
 403
 404   handleRegisterCaptchaAnswerChange(i: Login, event: any) {
 405     i.state.registerForm.captcha_answer = event.target.value;
 406     i.setState(i.state);
 407   }
 408
 409   handleRegenCaptcha(i: Login) {
 410     i.audio = null;
 411     i.state.captchaPlaying = false;
 412     i.setState(i.state);
 413     WebSocketService.Instance.send(wsClient.getCaptcha());
 414   }
 415
 416   handlePasswordReset(i: Login, event: any) {
 417     event.preventDefault();
 418     let resetForm: PasswordReset = {
 419       email: i.state.loginForm.username_or_email,
 420     };
 421     WebSocketService.Instance.send(wsClient.passwordReset(resetForm));
 422   }
 423
 424   handleCaptchaPlay(i: Login) {
 425     // This was a bad bug, it should only build the new audio on a new file.
 426     // Replays would stop prematurely if this was rebuilt every time.
 427     if (i.audio == null) {
 428       let base64 = `data:audio/wav;base64,${i.state.captcha.ok.wav}`;
 429       i.audio = new Audio(base64);
 430     }
 431
 432     i.audio.play();
 433
 434     i.state.captchaPlaying = true;
 435     i.setState(i.state);
 436
 437     i.audio.addEventListener("ended", () => {
 438       i.audio.currentTime = 0;
 439       i.state.captchaPlaying = false;
 440       i.setState(i.state);
 441     });
 442   }
 443
 444   captchaPngSrc() {
 445     return `data:image/png;base64,${this.state.captcha.ok.png}`;
 446   }
 447
 448   parseMessage(msg: any) {
 449     let op = wsUserOp(msg);
 450     console.log(msg);
 451     if (msg.error) {
 452       toast(i18n.t(msg.error), "danger");
 453       this.state = this.emptyState;
 454       this.state.registerForm.captcha_answer = undefined;
 455       // Refetch another captcha
 456       WebSocketService.Instance.send(wsClient.getCaptcha());
 457       this.setState(this.state);
 458       return;
 459     } else {
 460       if (op == UserOperation.Login) {
 461         let data = wsJsonToRes<LoginResponse>(msg).data;
 462         this.state = this.emptyState;
 463         this.setState(this.state);
 464         UserService.Instance.login(data);
 465         WebSocketService.Instance.send(
 466           wsClient.userJoin({
 467             auth: authField(),
 468           })
 469         );
 470         toast(i18n.t("logged_in"));
 471         this.props.history.push("/");
 472       } else if (op == UserOperation.Register) {
 473         let data = wsJsonToRes<LoginResponse>(msg).data;
 474         this.state = this.emptyState;
 475         this.setState(this.state);
 476         UserService.Instance.login(data);
 477         WebSocketService.Instance.send(
 478           wsClient.userJoin({
 479             auth: authField(),
 480           })
 481         );
 482         this.props.history.push("/communities");
 483       } else if (op == UserOperation.GetCaptcha) {
 484         let data = wsJsonToRes<GetCaptchaResponse>(msg).data;
 485         if (data.ok) {
 486           this.state.captcha = data;
 487           this.state.registerForm.captcha_uuid = data.ok.uuid;
 488           this.setState(this.state);
 489         }
 490       } else if (op == UserOperation.PasswordReset) {
 491         toast(i18n.t("reset_password_mail_sent"));
 492       } else if (op == UserOperation.GetSite) {
 493         let data = wsJsonToRes<GetSiteResponse>(msg).data;
 494         this.state.site_view = data.site_view;
 495         this.setState(this.state);
 496       }
 497     }
 498   }
 499 }