Redirect to login page for votes, comments, pages, etc. Fixes #849

ui/src/components/comment-form.tsx

@@ -1,4 +1,5 @@
 import { Component, linkEvent } from 'inferno';
+import { Link } from 'inferno-router';
 import { Subscription } from 'rxjs';
 import { retryWhen, delay, take } from 'rxjs/operators';
 import { Prompt } from 'inferno-router';
@@ -25,6 +26,7 @@ import autosize from 'autosize';
 import Tribute from 'tributejs/src/Tribute.js';
 import emojiShortName from 'emoji-short-name';
 import { i18n } from '../i18next';
+import { T } from 'inferno-i18next';
 
 interface CommentFormProps {
   postId?: number;
@@ -99,6 +101,7 @@ export class CommentForm extends Component<CommentFormProps, CommentFormState> {
 
   componentDidMount() {
     let textarea: any = document.getElementById(this.id);
+    if (textarea) {
       autosize(textarea);
       this.tribute.attach(textarea);
       textarea.addEventListener('tribute-replaced', () => {
@@ -123,6 +126,7 @@ export class CommentForm extends Component<CommentFormProps, CommentFormState> {
 
       textarea.focus();
     }
+  }
 
   componentDidUpdate() {
     if (this.state.commentForm.content) {
@@ -144,6 +148,7 @@ export class CommentForm extends Component<CommentFormProps, CommentFormState> {
           when={this.state.commentForm.content}
           message={i18n.t('block_leaving')}
         />
+        {UserService.Instance.user ? (
           <form
             id={this.formId}
             onSubmit={linkEvent(this, this.handleCommentSubmit)}
@@ -152,7 +157,9 @@ export class CommentForm extends Component<CommentFormProps, CommentFormState> {
               <div className={`col-sm-12`}>
                 <textarea
                   id={this.id}
-                className={`form-control ${this.state.previewMode && 'd-none'}`}
+                  className={`form-control ${
+                    this.state.previewMode && 'd-none'
+                  }`}
                   value={this.state.commentForm.content}
                   onInput={linkEvent(this, this.handleCommentContentChange)}
                   onPaste={linkEvent(this, this.handleImageUploadPaste)}
@@ -253,6 +260,16 @@ export class CommentForm extends Component<CommentFormProps, CommentFormState> {
               </div>
             </div>
           </form>
+        ) : (
+          <div class="alert alert-warning" role="alert">
+            <svg class="icon icon-inline mr-2">
+              <use xlinkHref="#icon-alert-triangle"></use>
+            </svg>
+            <T i18nKey="must_login" class="d-inline">
+              #<Link to="/login">#</Link>
+            </T>
+          </div>
+        )}
       </div>
     );
   }

ui/src/components/create-community.tsx

@@ -9,7 +9,7 @@ import {
   GetSiteResponse,
 } from '../interfaces';
 import { toast, wsJsonToRes } from '../utils';
-import { WebSocketService } from '../services';
+import { WebSocketService, UserService } from '../services';
 import { i18n } from '../i18next';
 
 interface CreateCommunityState {
@@ -26,6 +26,11 @@ export class CreateCommunity extends Component<any, CreateCommunityState> {
     this.handleCommunityCreate = this.handleCommunityCreate.bind(this);
     this.state = this.emptyState;
 
+    if (!UserService.Instance.user) {
+      toast(i18n.t('not_logged_in'), 'danger');
+      this.context.router.history.push(`/login`);
+    }
+
     this.subscription = WebSocketService.Instance.subject
       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
       .subscribe(

ui/src/components/create-post.tsx

@@ -3,7 +3,7 @@ import { Subscription } from 'rxjs';
 import { retryWhen, delay, take } from 'rxjs/operators';
 import { PostForm } from './post-form';
 import { toast, wsJsonToRes } from '../utils';
-import { WebSocketService } from '../services';
+import { WebSocketService, UserService } from '../services';
 import {
   UserOperation,
   PostFormParams,
@@ -41,6 +41,11 @@ export class CreatePost extends Component<any, CreatePostState> {
     this.handlePostCreate = this.handlePostCreate.bind(this);
     this.state = this.emptyState;
 
+    if (!UserService.Instance.user) {
+      toast(i18n.t('not_logged_in'), 'danger');
+      this.context.router.history.push(`/login`);
+    }
+
     this.subscription = WebSocketService.Instance.subject
       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
       .subscribe(

ui/src/components/create-private-message.tsx

@@ -2,7 +2,7 @@ import { Component } from 'inferno';
 import { Subscription } from 'rxjs';
 import { retryWhen, delay, take } from 'rxjs/operators';
 import { PrivateMessageForm } from './private-message-form';
-import { WebSocketService } from '../services';
+import { WebSocketService, UserService } from '../services';
 import {
   UserOperation,
   WebSocketJsonResponse,
@@ -20,6 +20,11 @@ export class CreatePrivateMessage extends Component<any, any> {
       this
     );
 
+    if (!UserService.Instance.user) {
+      toast(i18n.t('not_logged_in'), 'danger');
+      this.context.router.history.push(`/login`);
+    }
+
     this.subscription = WebSocketService.Instance.subject
       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
       .subscribe(

ui/src/components/post-listing.tsx

@@ -33,6 +33,7 @@ import {
   setupTippy,
   hostname,
   previewLines,
+  toast,
 } from '../utils';
 import { i18n } from '../i18next';
 
@@ -1030,6 +1031,10 @@ export class PostListing extends Component<PostListingProps, PostListingState> {
   }
 
   handlePostLike(i: PostListing) {
+    if (!UserService.Instance.user) {
+      this.context.router.history.push(`/login`);
+    }
+
     let new_vote = i.state.my_vote == 1 ? 0 : 1;
 
     if (i.state.my_vote == 1) {
@@ -1057,6 +1062,10 @@ export class PostListing extends Component<PostListingProps, PostListingState> {
   }
 
   handlePostDisLike(i: PostListing) {
+    if (!UserService.Instance.user) {
+      this.context.router.history.push(`/login`);
+    }
+
     let new_vote = i.state.my_vote == -1 ? 0 : -1;
 
     if (i.state.my_vote == 1) {

ui/translations/en.json

@@ -220,6 +220,7 @@
       "Lemmy is a <1>link aggregator</1> / reddit alternative, intended to work in the <2>fediverse</2>.<3></3>It's self-hostable, has live-updating comment threads, and is tiny (<4>~80kB</4>). Federation into the ActivityPub network is on the roadmap. <5></5>This is a <6>very early beta version</6>, and a lot of features are currently broken or missing. <7></7>Suggest new features or report bugs <8>here.</8><9></9>Made with <10>Rust</10>, <11>Actix</11>, <12>Inferno</12>, <13>Typescript</13>. <14></14> <15>Thank you to our contributors: </15> dessalines, Nutomic, asonix, zacanger, and iav.",
     "not_logged_in": "Not logged in.",
     "logged_in": "Logged in.",
+    "must_login": "You must <1>log in or register</1> to comment.",
     "site_saved": "Site Saved.",
     "community_ban": "You have been banned from this community.",
     "site_ban": "You have been banned from the site",