Use urlencoding for db url params (fixes #2532) (#2537)

Cargo.lock

@@ -2225,6 +2225,7 @@ dependencies = [
  "once_cell",
  "openssl",
  "parking_lot",
+ "percent-encoding",
  "rand 0.8.5",
  "regex",
  "reqwest-middleware",

config/config.hjson

@@ -2,4 +2,8 @@
 # https://join-lemmy.org/docs/en/administration/configuration.html
 {
   hostname: lemmy-alpha
+  database: {
+    # Username to connect to postgres
+    user: "&££%^!£*!:::!"£:!:"
+  }
 }

crates/utils/Cargo.toml

@@ -44,6 +44,7 @@ html2text = "0.4.2"
 rosetta-i18n = "0.1.2"
 parking_lot = "0.12.1"
 typed-builder = "0.10.0"
+percent-encoding = "2.2.0"
 
 [build-dependencies]
 rosetta-build = "0.1.2"

crates/utils/src/settings/mod.rs

@@ -6,6 +6,7 @@ use crate::{
 use anyhow::{anyhow, Context};
 use deser_hjson::from_str;
 use once_cell::sync::Lazy;
+use percent_encoding::{utf8_percent_encode, NON_ALPHANUMERIC};
 use regex::Regex;
 use std::{env, fs, io::Error};
 
@@ -44,7 +45,11 @@ impl Settings {
     let conf = &self.database;
     format!(
       "postgres://{}:{}@{}:{}/{}",
-      conf.user, conf.password, conf.host, conf.port, conf.database,
+      utf8_percent_encode(&conf.user, NON_ALPHANUMERIC),
+      utf8_percent_encode(&conf.password, NON_ALPHANUMERIC),
+      conf.host,
+      conf.port,
+      utf8_percent_encode(&conf.database, NON_ALPHANUMERIC),
     )
   }