Landing page for NSFW content, SFW-only mode (#656)
Co-authored-by: Matt <matt@matthew.science> Co-authored-by: Spike <19519553+spikecodes@users.noreply.github.com>
This commit is contained in:
parent
c15f305be0
commit
c83a4e0cc8
12
README.md
12
README.md
@ -182,9 +182,17 @@ Once installed, deploy Libreddit to `0.0.0.0:8080` by running:
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libreddit
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```
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## Change Default Settings
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## Instance settings
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Assign a default value for each setting by passing environment variables to Libreddit in the format `LIBREDDIT_DEFAULT_{X}`. Replace `{X}` with the setting name (see list below) in capital letters.
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Assign a default value for each instance-specific setting by passing environment variables to Libreddit in the format `LIBREDDIT_{X}`. Replace `{X}` with the setting name (see list below) in capital letters.
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|Name|Possible values|Default value|Description|
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|-|-|-|-|
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| `SFW_ONLY` | `["on", "off"]` | `off` | Enables SFW-only mode for the instance, i.e. all NSFW content is filtered. |
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## Default User Settings
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Assign a default value for each user-modifiable setting by passing environment variables to Libreddit in the format `LIBREDDIT_DEFAULT_{Y}`. Replace `{Y}` with the setting name (see list below) in capital letters.
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| Name | Possible values | Default value |
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|-------------------------|-----------------------------------------------------------------------------------------------------|---------------|
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3
app.json
3
app.json
@ -40,6 +40,9 @@
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},
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"LIBREDDIT_HIDE_HLS_NOTIFICATION": {
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"required": false
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},
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"LIBREDDIT_SFW_ONLY": {
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"required": false
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}
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}
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}
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@ -3,7 +3,7 @@
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use crate::client::json;
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use crate::server::RequestExt;
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use crate::subreddit::{can_access_quarantine, quarantine};
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use crate::utils::{error, filter_posts, get_filters, parse_post, template, Post, Preferences};
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use crate::utils::{error, filter_posts, get_filters, nsfw_landing, parse_post, setting, template, Post, Preferences};
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use askama::Template;
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use hyper::{Body, Request, Response};
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@ -65,8 +65,16 @@ pub async fn item(req: Request<Body>) -> Result<Response<Body>, String> {
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match json(path, quarantined).await {
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// Process response JSON.
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Ok(response) => {
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let filters = get_filters(&req);
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let post = parse_post(&response[0]["data"]["children"][0]).await;
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// Return landing page if this post if this Reddit deems this post
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// NSFW, but we have also disabled the display of NSFW content
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// or if the instance is SFW-only.
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if post.nsfw && (setting(&req, "show_nsfw") != "on" || crate::utils::sfw_only()) {
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return Ok(nsfw_landing(req).await.unwrap_or_default());
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}
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let filters = get_filters(&req);
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let (duplicates, num_posts_filtered, all_posts_filtered) = parse_duplicates(&response[1], &filters).await;
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// These are the values for the "before=", "after=", and "sort="
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10
src/post.rs
10
src/post.rs
@ -3,7 +3,7 @@ use crate::client::json;
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use crate::server::RequestExt;
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use crate::subreddit::{can_access_quarantine, quarantine};
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use crate::utils::{
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error, format_num, get_filters, param, parse_post, rewrite_urls, setting, template, time, val, Author, Awards, Comment, Flair, FlairPart, Post, Preferences,
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error, format_num, get_filters, nsfw_landing, param, parse_post, rewrite_urls, setting, template, time, val, Author, Awards, Comment, Flair, FlairPart, Post, Preferences,
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};
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use hyper::{Body, Request, Response};
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@ -55,6 +55,14 @@ pub async fn item(req: Request<Body>) -> Result<Response<Body>, String> {
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Ok(response) => {
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// Parse the JSON into Post and Comment structs
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let post = parse_post(&response[0]["data"]["children"][0]).await;
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// Return landing page if this post if this Reddit deems this post
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// NSFW, but we have also disabled the display of NSFW content
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// or if the instance is SFW-only.
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if post.nsfw && (setting(&req, "show_nsfw") != "on" || crate::utils::sfw_only()) {
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return Ok(nsfw_landing(req).await.unwrap_or_default());
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}
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let comments = parse_comments(&response[1], &post.permalink, &post.author.name, highlighted_comment, &get_filters(&req));
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let url = req.uri().to_string();
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@ -1,5 +1,5 @@
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// CRATES
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use crate::utils::{catch_random, error, filter_posts, format_num, format_url, get_filters, param, redirect, setting, template, val, Post, Preferences};
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use crate::utils::{self, catch_random, error, filter_posts, format_num, format_url, get_filters, param, redirect, setting, template, val, Post, Preferences};
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use crate::{
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client::json,
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subreddit::{can_access_quarantine, quarantine},
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@ -54,7 +54,12 @@ static REDDIT_URL_MATCH: Lazy<Regex> = Lazy::new(|| Regex::new(r"^https?://([^\.
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// SERVICES
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pub async fn find(req: Request<Body>) -> Result<Response<Body>, String> {
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let nsfw_results = if setting(&req, "show_nsfw") == "on" { "&include_over_18=on" } else { "" };
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// This ensures that during a search, no NSFW posts are fetched at all
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let nsfw_results = if setting(&req, "show_nsfw") == "on" && !utils::sfw_only() {
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"&include_over_18=on"
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} else {
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""
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};
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let path = format!("{}.json?{}{}&raw_json=1", req.uri().path(), req.uri().query().unwrap_or_default(), nsfw_results);
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let mut query = param(&path, "q").unwrap_or_default();
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query = REDDIT_URL_MATCH.replace(&query, "").to_string();
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@ -1,6 +1,6 @@
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// CRATES
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use crate::utils::{
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catch_random, error, filter_posts, format_num, format_url, get_filters, param, redirect, rewrite_urls, setting, template, val, Post, Preferences, Subreddit,
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catch_random, error, filter_posts, format_num, format_url, get_filters, nsfw_landing, param, redirect, rewrite_urls, setting, template, val, Post, Preferences, Subreddit,
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};
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use crate::{client::json, server::ResponseExt, RequestExt};
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use askama::Template;
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@ -97,6 +97,12 @@ pub async fn community(req: Request<Body>) -> Result<Response<Body>, String> {
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}
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};
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// Return landing page if this post if this is NSFW community but the user
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// has disabled the display of NSFW content or if the instance is SFW-only.
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if sub.nsfw && (setting(&req, "show_nsfw") != "on" || crate::utils::sfw_only()) {
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return Ok(nsfw_landing(req).await.unwrap_or_default());
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}
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let path = format!("/r/{}/{}.json?{}&raw_json=1", sub_name.clone(), sort, req.uri().query().unwrap_or_default());
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let url = String::from(req.uri().path_and_query().map_or("", |val| val.as_str()));
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let redirect_url = url[1..].replace('?', "%3F").replace('&', "%26").replace('+', "%2B");
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@ -424,5 +430,6 @@ async fn subreddit(sub: &str, quarantined: bool) -> Result<Subreddit, String> {
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members: format_num(members),
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active: format_num(active),
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wiki: res["data"]["wiki_enabled"].as_bool().unwrap_or_default(),
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nsfw: res["data"]["over18"].as_bool().unwrap_or_default(),
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})
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}
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12
src/user.rs
12
src/user.rs
@ -1,7 +1,7 @@
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// CRATES
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use crate::client::json;
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use crate::server::RequestExt;
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use crate::utils::{error, filter_posts, format_url, get_filters, param, setting, template, Post, Preferences, User};
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use crate::utils::{error, filter_posts, format_url, get_filters, nsfw_landing, param, setting, template, Post, Preferences, User};
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use askama::Template;
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use hyper::{Body, Request, Response};
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use time::{macros::format_description, OffsetDateTime};
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@ -46,8 +46,17 @@ pub async fn profile(req: Request<Body>) -> Result<Response<Body>, String> {
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// Retrieve other variables from Libreddit request
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let sort = param(&path, "sort").unwrap_or_default();
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let username = req.param("name").unwrap_or_default();
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// Retrieve info from user about page.
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let user = user(&username).await.unwrap_or_default();
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// Return landing page if this post if this Reddit deems this user NSFW,
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// but we have also disabled the display of NSFW content or if the instance
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// is SFW-only.
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if user.nsfw && (setting(&req, "show_nsfw") != "on" || crate::utils::sfw_only()) {
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return Ok(nsfw_landing(req).await.unwrap_or_default());
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}
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let filters = get_filters(&req);
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if filters.contains(&["u_", &username].concat()) {
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template(UserTemplate {
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@ -115,6 +124,7 @@ async fn user(name: &str) -> Result<User, String> {
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created: created.format(format_description!("[month repr:short] [day] '[year repr:last_two]")).unwrap_or_default(),
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banner: about("banner_img"),
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description: about("public_description"),
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nsfw: res["data"]["subreddit"]["over_18"].as_bool().unwrap_or_default(),
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}
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})
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}
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82
src/utils.rs
82
src/utils.rs
@ -9,6 +9,7 @@ use regex::Regex;
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use rust_embed::RustEmbed;
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use serde_json::Value;
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use std::collections::{HashMap, HashSet};
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use std::env;
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use std::str::FromStr;
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use time::{macros::format_description, Duration, OffsetDateTime};
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use url::Url;
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@ -28,6 +29,16 @@ macro_rules! dbg_msg {
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};
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}
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/// Identifies whether or not the page is a subreddit, a user page, or a post.
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/// This is used by the NSFW landing template to determine the mesage to convey
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/// to the user.
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#[derive(PartialEq, Eq)]
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pub enum ResourceType {
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Subreddit,
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User,
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Post,
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}
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// Post flair with content, background color and foreground color
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pub struct Flair {
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pub flair_parts: Vec<FlairPart>,
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@ -229,6 +240,7 @@ pub struct Post {
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pub comments: (String, String),
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pub gallery: Vec<GalleryMedia>,
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pub awards: Awards,
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pub nsfw: bool,
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}
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impl Post {
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@ -329,6 +341,7 @@ impl Post {
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comments: format_num(data["num_comments"].as_i64().unwrap_or_default()),
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gallery,
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awards,
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nsfw: post["data"]["over_18"].as_bool().unwrap_or_default(),
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});
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}
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@ -420,6 +433,27 @@ pub struct ErrorTemplate {
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pub url: String,
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}
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/// Template for NSFW landing page. The landing page is displayed when a page's
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/// content is wholly NSFW, but a user has not enabled the option to view NSFW
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/// posts.
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#[derive(Template)]
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#[template(path = "nsfwlanding.html")]
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pub struct NSFWLandingTemplate {
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/// Identifier for the resource. This is either a subreddit name or a
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/// username. (In the case of the latter, set is_user to true.)
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pub res: String,
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/// Identifies whether or not the resource is a subreddit, a user page,
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/// or a post.
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pub res_type: ResourceType,
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/// User preferences.
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pub prefs: Preferences,
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/// Request URL.
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pub url: String,
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}
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#[derive(Default)]
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// User struct containing metadata about user
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pub struct User {
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@ -430,6 +464,7 @@ pub struct User {
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pub created: String,
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pub banner: String,
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pub description: String,
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pub nsfw: bool,
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}
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#[derive(Default)]
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@ -444,6 +479,7 @@ pub struct Subreddit {
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pub members: (String, String),
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pub active: (String, String),
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pub wiki: bool,
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pub nsfw: bool,
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}
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// Parser for query params, used in sorting (eg. /r/rust/?sort=hot)
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@ -617,6 +653,7 @@ pub async fn parse_post(post: &serde_json::Value) -> Post {
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comments: format_num(post["data"]["num_comments"].as_i64().unwrap_or_default()),
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gallery,
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awards,
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nsfw: post["data"]["over_18"].as_bool().unwrap_or_default(),
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}
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}
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@ -829,6 +866,51 @@ pub async fn error(req: Request<Body>, msg: impl ToString) -> Result<Response<Bo
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Ok(Response::builder().status(404).header("content-type", "text/html").body(body.into()).unwrap_or_default())
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}
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/// Returns true if the environment variable `LIBREDDIT_SFW_ONLY` carries the
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/// value `on`.
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///
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/// If this variable is set as such, the instance will operate in SFW-only
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/// mode; all NSFW content will be filtered. Attempts to access NSFW
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/// subreddits or posts or userpages for users Reddit has deemed NSFW will
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/// be denied.
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pub fn sfw_only() -> bool {
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match env::var("LIBREDDIT_SFW_ONLY") {
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Ok(val) => val == "on",
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Err(_) => false,
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}
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}
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/// Renders the landing page for NSFW content when the user has not enabled
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/// "show NSFW posts" in settings.
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pub async fn nsfw_landing(req: Request<Body>) -> Result<Response<Body>, String> {
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let res_type: ResourceType;
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let url = req.uri().to_string();
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// Determine from the request URL if the resource is a subreddit, a user
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// page, or a post.
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let res: String = if !req.param("name").unwrap_or_default().is_empty() {
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res_type = ResourceType::User;
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req.param("name").unwrap_or_default()
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} else if !req.param("id").unwrap_or_default().is_empty() {
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res_type = ResourceType::Post;
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req.param("id").unwrap_or_default()
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} else {
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res_type = ResourceType::Subreddit;
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req.param("sub").unwrap_or_default()
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};
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let body = NSFWLandingTemplate {
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res,
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res_type,
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prefs: Preferences::new(req),
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url,
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}
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.render()
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.unwrap_or_default();
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Ok(Response::builder().status(403).header("content-type", "text/html").body(body.into()).unwrap_or_default())
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}
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#[cfg(test)]
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mod tests {
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use super::{format_num, format_url, rewrite_urls};
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@ -160,16 +160,35 @@ main {
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overflow: inherit;
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}
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footer {
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/* Body footer. */
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body > footer {
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display: flex;
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justify-content: center;
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margin: 20px;
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}
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body > footer > div#sfw-only {
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color: var(--green);
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border: 1px solid var(--green);
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padding: 5px;
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box-sizing: border-box;
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border-radius: 5px;
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}
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/* / Body footer. */
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/* Footer in content block. */
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main > * > footer {
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display: flex;
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justify-content: center;
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margin-top: 20px;
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}
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footer > a {
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main > * > footer > a {
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margin-right: 5px;
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}
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/* / Footer in content block. */
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button {
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background: none;
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border: none;
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@ -485,7 +504,7 @@ button.submit:hover > svg { stroke: var(--accent); }
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overflow-x: auto;
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}
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#sort_options, #listing_options, footer > a {
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#sort_options, #listing_options, main > * > footer > a {
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border-radius: 5px;
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align-items: center;
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box-shadow: var(--shadow);
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@ -494,7 +513,7 @@ button.submit:hover > svg { stroke: var(--accent); }
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overflow: hidden;
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}
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#sort_options > a, #listing_options > a, footer > a {
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#sort_options > a, #listing_options > a, main > * > footer > a {
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color: var(--text);
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padding: 10px 20px;
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text-align: center;
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@ -1315,6 +1334,31 @@ td, th {
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color: var(--accent);
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}
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/* NSFW Landing Page */
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#nsfw_landing {
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display: inline-block;
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text-align: center;
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width: 100%;
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}
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#nsfw_landing h1 {
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display: inline-block;
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margin-bottom: 20px;
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text-align: center;
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width: 100%;
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}
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#nsfw_landing p {
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display: inline-block;
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text-align: center;
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width: 100%;
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}
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#nsfw_landing a {
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color: var(--accent);
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}
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/* Mobile */
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@media screen and (max-width: 800px) {
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@ -65,5 +65,10 @@
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{% endblock %}
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</main>
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{% endblock %}
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{% block footer %}
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{% if crate::utils::sfw_only() %}
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<footer><div id="sfw-only">This instance of Libreddit is SFW-only.</div></footer>
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{% endif %}
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{% endblock %}
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</body>
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</html>
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28
templates/nsfwlanding.html
Normal file
28
templates/nsfwlanding.html
Normal file
@ -0,0 +1,28 @@
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{% extends "base.html" %}
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{% block title %}NSFW content gated{% endblock %}
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{% block sortstyle %}{% endblock %}
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{% block content %}
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<div id="nsfw_landing">
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<h1>
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😱
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{% if res_type == crate::utils::ResourceType::Subreddit %}
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r/{{ res }} is a NSFW community!
|
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{% else if res_type == crate::utils::ResourceType::User %}
|
||||
u/{{ res }}'s content is NSFW!
|
||||
{% else if res_type == crate::utils::ResourceType::Post %}
|
||||
This post is NSFW!
|
||||
{% endif %}
|
||||
</h1>
|
||||
<br />
|
||||
|
||||
<p>
|
||||
{% if crate::utils::sfw_only() %}
|
||||
This instance of Libreddit is SFW-only.</p>
|
||||
{% else %}
|
||||
Enable "Show NSFW posts" in <a href="/settings">settings</a> to view this {% if res_type == crate::utils::ResourceType::Subreddit %}subreddit{% else if res_type == crate::utils::ResourceType::User %}user's posts or comments{% else if res_type == crate::utils::ResourceType::Post %}post{% endif %}.
|
||||
{% endif %}
|
||||
</p>
|
||||
</div>
|
||||
{% endblock %}
|
||||
{% block footer %}
|
||||
{% endblock %}
|
@ -54,6 +54,7 @@
|
||||
{% call utils::options(prefs.comment_sort, ["confidence", "top", "new", "controversial", "old"], "confidence") %}
|
||||
</select>
|
||||
</div>
|
||||
{% if !crate::utils::sfw_only() %}
|
||||
<div class="prefs-group">
|
||||
<label for="show_nsfw">Show NSFW posts:</label>
|
||||
<input type="hidden" value="off" name="show_nsfw">
|
||||
@ -64,6 +65,7 @@
|
||||
<input type="hidden" value="off" name="blur_nsfw">
|
||||
<input type="checkbox" name="blur_nsfw" id="blur_nsfw" {% if prefs.blur_nsfw == "on" %}checked{% endif %}>
|
||||
</div>
|
||||
{% endif %}
|
||||
<div class="prefs-group">
|
||||
<label for="autoplay_videos">Autoplay videos</label>
|
||||
<input type="hidden" value="off" name="autoplay_videos">
|
||||
@ -121,6 +123,10 @@
|
||||
<div id="settings_note">
|
||||
<p><b>Note:</b> settings and subscriptions are saved in browser cookies. Clearing your cookies will reset them.</p><br>
|
||||
<p>You can restore your current settings and subscriptions after clearing your cookies using <a href="/settings/restore/?theme={{ prefs.theme }}&front_page={{ prefs.front_page }}&layout={{ prefs.layout }}&wide={{ prefs.wide }}&post_sort={{ prefs.post_sort }}&comment_sort={{ prefs.comment_sort }}&show_nsfw={{ prefs.show_nsfw }}&blur_nsfw={{ prefs.blur_nsfw }}&use_hls={{ prefs.use_hls }}&hide_hls_notification={{ prefs.hide_hls_notification }}&subscriptions={{ prefs.subscriptions.join("%2B") }}&filters={{ prefs.filters.join("%2B") }}">this link</a>.</p>
|
||||
<br />
|
||||
{% if crate::utils::sfw_only() %}
|
||||
<p>This instance is SFW-only. It will block all NSFW content.</p>
|
||||
{% endif %}
|
||||
</div>
|
||||
</div>
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user