2023-01-30 22:02:43 +13:00
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use crate::{
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config::{Config, CONFIG},
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server::RequestExt,
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utils::{ErrorTemplate, Preferences},
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};
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use askama::Template;
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use build_html::{Container, Html, HtmlContainer, Table};
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use hyper::{http::Error, Body, Request, Response};
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use once_cell::sync::Lazy;
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use serde::{Deserialize, Serialize};
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use time::OffsetDateTime;
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// This is the local static that is intialized at runtime (technically at
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// the first request to the info endpoint) and contains the data
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// retrieved from the info endpoint.
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2023-12-29 06:42:06 +13:00
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pub static INSTANCE_INFO: Lazy<InstanceInfo> = Lazy::new(InstanceInfo::new);
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2023-01-30 22:02:43 +13:00
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/// Handles instance info endpoint
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pub async fn instance_info(req: Request<Body>) -> Result<Response<Body>, String> {
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// This will retrieve the extension given, or create a new string - which will
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// simply become the last option, an HTML page.
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2023-12-27 12:27:25 +13:00
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let extension = req.param("extension").unwrap_or_default();
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2023-01-30 22:02:43 +13:00
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let response = match extension.as_str() {
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"yaml" | "yml" => info_yaml(),
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"txt" => info_txt(),
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"json" => info_json(),
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2024-01-20 14:16:17 +13:00
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"html" | "" => info_html(&req),
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_ => {
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let error = ErrorTemplate {
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msg: "Error: Invalid info extension".into(),
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prefs: Preferences::new(&req),
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url: req.uri().to_string(),
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}
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.render()
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.unwrap();
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Response::builder().status(404).header("content-type", "text/html; charset=utf-8").body(error.into())
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}
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};
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response.map_err(|err| format!("{err}"))
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}
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fn info_json() -> Result<Response<Body>, Error> {
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if let Ok(body) = serde_json::to_string(&*INSTANCE_INFO) {
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Response::builder().status(200).header("content-type", "application/json").body(body.into())
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} else {
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Response::builder()
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.status(500)
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.header("content-type", "text/plain")
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.body(Body::from("Error serializing JSON"))
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}
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}
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fn info_yaml() -> Result<Response<Body>, Error> {
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if let Ok(body) = serde_yaml::to_string(&*INSTANCE_INFO) {
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// We can use `application/yaml` as media type, though there is no guarantee
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// that browsers will honor it. But we'll do it anyway. See:
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// https://github.com/ietf-wg-httpapi/mediatypes/blob/main/draft-ietf-httpapi-yaml-mediatypes.md#media-type-applicationyaml-application-yaml
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Response::builder().status(200).header("content-type", "application/yaml").body(body.into())
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} else {
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Response::builder()
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.status(500)
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.header("content-type", "text/plain")
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.body(Body::from("Error serializing YAML."))
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}
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}
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fn info_txt() -> Result<Response<Body>, Error> {
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Response::builder()
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.status(200)
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.header("content-type", "text/plain")
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.body(Body::from(INSTANCE_INFO.to_string(&StringType::Raw)))
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}
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fn info_html(req: &Request<Body>) -> Result<Response<Body>, Error> {
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let message = MessageTemplate {
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title: String::from("Instance information"),
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body: INSTANCE_INFO.to_string(&StringType::Html),
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prefs: Preferences::new(req),
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url: req.uri().to_string(),
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}
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.render()
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.unwrap();
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Response::builder().status(200).header("content-type", "text/html; charset=utf8").body(Body::from(message))
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}
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#[derive(Serialize, Deserialize, Default)]
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pub struct InstanceInfo {
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package_name: String,
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crate_version: String,
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git_commit: String,
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deploy_date: String,
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compile_mode: String,
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deploy_unix_ts: i64,
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config: Config,
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}
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impl InstanceInfo {
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pub fn new() -> Self {
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Self {
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package_name: env!("CARGO_PKG_NAME").to_string(),
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crate_version: env!("CARGO_PKG_VERSION").to_string(),
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git_commit: env!("GIT_HASH").to_string(),
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deploy_date: OffsetDateTime::now_local().unwrap_or_else(|_| OffsetDateTime::now_utc()).to_string(),
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#[cfg(debug_assertions)]
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compile_mode: "Debug".into(),
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#[cfg(not(debug_assertions))]
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compile_mode: "Release".into(),
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deploy_unix_ts: OffsetDateTime::now_local().unwrap_or_else(|_| OffsetDateTime::now_utc()).unix_timestamp(),
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config: CONFIG.clone(),
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}
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}
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fn to_table(&self) -> String {
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let mut container = Container::default();
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let convert = |o: &Option<String>| -> String { o.clone().unwrap_or_else(|| "<span class=\"unset\"><i>Unset</i></span>".to_owned()) };
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if let Some(banner) = &self.config.banner {
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container.add_header(3, "Instance banner");
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container.add_raw("<br />");
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container.add_paragraph(banner);
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container.add_raw("<br />");
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}
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container.add_table(
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Table::from([
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["Package name", &self.package_name],
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["Crate version", &self.crate_version],
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["Git commit", &self.git_commit],
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["Deploy date", &self.deploy_date],
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["Deploy timestamp", &self.deploy_unix_ts.to_string()],
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["Compile mode", &self.compile_mode],
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["SFW only", &convert(&self.config.sfw_only)],
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2023-06-04 05:32:46 +12:00
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["Pushshift frontend", &convert(&self.config.pushshift)],
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["RSS enabled", &convert(&self.config.enable_rss)],
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["Full URL", &convert(&self.config.full_url)],
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//TODO: fallback to crate::config::DEFAULT_PUSHSHIFT_FRONTEND
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])
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.with_header_row(["Settings"]),
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);
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container.add_raw("<br />");
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container.add_table(
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Table::from([
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["Hide awards", &convert(&self.config.default_hide_awards)],
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["Hide score", &convert(&self.config.default_hide_score)],
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["Theme", &convert(&self.config.default_theme)],
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["Front page", &convert(&self.config.default_front_page)],
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["Layout", &convert(&self.config.default_layout)],
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["Wide", &convert(&self.config.default_wide)],
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["Comment sort", &convert(&self.config.default_comment_sort)],
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["Post sort", &convert(&self.config.default_post_sort)],
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["Blur Spoiler", &convert(&self.config.default_blur_spoiler)],
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["Show NSFW", &convert(&self.config.default_show_nsfw)],
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["Blur NSFW", &convert(&self.config.default_blur_nsfw)],
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["Use HLS", &convert(&self.config.default_use_hls)],
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["Hide HLS notification", &convert(&self.config.default_hide_hls_notification)],
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["Subscriptions", &convert(&self.config.default_subscriptions)],
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["Filters", &convert(&self.config.default_filters)],
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2023-01-30 22:02:43 +13:00
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])
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.with_header_row(["Default preferences"]),
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);
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container.to_html_string().replace("<th>", "<th colspan=\"2\">")
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}
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fn to_string(&self, string_type: &StringType) -> String {
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match string_type {
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StringType::Raw => {
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format!(
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"Package name: {}\n
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Crate version: {}\n
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Git commit: {}\n
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Deploy date: {}\n
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Deploy timestamp: {}\n
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Compile mode: {}\n
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SFW only: {:?}\n
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Pushshift frontend: {:?}\n
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RSS enabled: {:?}\n
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Full URL: {:?}\n
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Config:\n
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Banner: {:?}\n
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Hide awards: {:?}\n
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Hide score: {:?}\n
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Default theme: {:?}\n
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Default front page: {:?}\n
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Default layout: {:?}\n
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Default wide: {:?}\n
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Default comment sort: {:?}\n
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Default post sort: {:?}\n
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Default blur Spoiler: {:?}\n
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Default show NSFW: {:?}\n
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Default blur NSFW: {:?}\n
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Default use HLS: {:?}\n
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Default hide HLS notification: {:?}\n
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Default subscriptions: {:?}\n
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Default filters: {:?}\n",
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self.package_name,
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self.crate_version,
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self.git_commit,
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self.deploy_date,
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self.deploy_unix_ts,
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self.compile_mode,
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self.config.sfw_only,
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self.config.enable_rss,
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self.config.full_url,
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self.config.pushshift,
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self.config.banner,
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self.config.default_hide_awards,
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self.config.default_hide_score,
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self.config.default_theme,
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self.config.default_front_page,
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self.config.default_layout,
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self.config.default_wide,
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self.config.default_comment_sort,
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self.config.default_post_sort,
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self.config.default_blur_spoiler,
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self.config.default_show_nsfw,
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self.config.default_blur_nsfw,
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self.config.default_use_hls,
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self.config.default_hide_hls_notification,
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self.config.default_subscriptions,
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self.config.default_filters,
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)
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}
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StringType::Html => self.to_table(),
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}
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}
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}
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enum StringType {
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Raw,
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Html,
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}
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#[derive(Template)]
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#[template(path = "message.html")]
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struct MessageTemplate {
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title: String,
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body: String,
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prefs: Preferences,
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url: String,
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}
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