feat: hashids

Cargo.toml

@@ -31,6 +31,7 @@ env_logger = "0.9.0"
 actix-web-httpauth = "0.6.0"
 lazy_static = "1.4.0"
 syntect = "5.0"
+harsh = "0.2"
 
 [profile.release]
 lto = true

src/args.rs

@@ -68,6 +68,9 @@ pub struct Args {
 
     #[clap(short, long, env = "MICROBIN_NO_FILE_UPLOAD")]
     pub no_file_upload: bool,
+
+    #[clap(long, env = "MICROBIN_HASH_IDS")]
+    pub hash_ids: bool,
 }
 
 #[derive(Debug, Clone)]

src/endpoints/create.rs

@@ -1,6 +1,7 @@
 use crate::dbio::save_to_file;
 use crate::pasta::PastaFile;
 use crate::util::animalnumbers::to_animal_names;
+use crate::util::hashids::to_hashids;
 use crate::util::misc::is_valid_url;
 use crate::{AppState, Pasta, ARGS};
 use actix_multipart::Multipart;
@@ -126,7 +127,10 @@ pub async fn create(
                     }
                 };
 
-                std::fs::create_dir_all(format!("./pasta_data/public/{}", &new_pasta.id_as_animals()))
+                std::fs::create_dir_all(format!(
+                    "./pasta_data/public/{}",
+                    &new_pasta.id_as_animals()
+                ))
                 .unwrap();
 
                 let filepath = format!(
@@ -157,7 +161,12 @@ pub async fn create(
 
     save_to_file(&pastas);
 
+    let slug = if ARGS.hash_ids {
+        to_hashids(id)
+    } else {
+        to_animal_names(id)
+    };
     Ok(HttpResponse::Found()
-        .append_header(("Location", format!("{}/pasta/{}", ARGS.public_path, to_animal_names(id))))
+        .append_header(("Location", format!("{}/pasta/{}", ARGS.public_path, slug)))
         .finish())
 }

src/endpoints/edit.rs

@@ -2,6 +2,7 @@ use crate::args::Args;
 use crate::dbio::save_to_file;
 use crate::endpoints::errors::ErrorTemplate;
 use crate::util::animalnumbers::to_u64;
+use crate::util::hashids::to_u64 as hashid_to_u64;
 use crate::util::misc::remove_expired;
 use crate::{AppState, Pasta, ARGS};
 use actix_multipart::Multipart;
@@ -20,7 +21,11 @@ struct EditTemplate<'a> {
 pub async fn get_edit(data: web::Data<AppState>, id: web::Path<String>) -> HttpResponse {
     let mut pastas = data.pastas.lock().unwrap();
 
-    let id = to_u64(&*id.into_inner()).unwrap_or(0);
+    let id = if ARGS.hash_ids {
+        hashid_to_u64(&*id).unwrap_or(0)
+    } else {
+        to_u64(&*id.into_inner()).unwrap_or(0)
+    };
 
     remove_expired(&mut pastas);
 
@@ -59,7 +64,11 @@ pub async fn post_edit(
             .finish());
     }
 
-    let id = to_u64(&*id.into_inner()).unwrap_or(0);
+    let id = if ARGS.hash_ids {
+        hashid_to_u64(&*id).unwrap_or(0)
+    } else {
+        to_u64(&*id.into_inner()).unwrap_or(0)
+    };
 
     let mut pastas = data.pastas.lock().unwrap();
 
@@ -85,7 +94,10 @@ pub async fn post_edit(
                 save_to_file(&pastas);
 
                 return Ok(HttpResponse::Found()
-                    .append_header(("Location", format!("{}/pasta/{}", ARGS.public_path, pastas[i].id_as_animals())))
+                    .append_header((
+                        "Location",
+                        format!("{}/pasta/{}", ARGS.public_path, pastas[i].id_as_animals()),
+                    ))
                     .finish());
             } else {
                 break;

src/endpoints/pasta.rs

@@ -5,6 +5,7 @@ use crate::args::{Args, ARGS};
 use crate::endpoints::errors::ErrorTemplate;
 use crate::pasta::Pasta;
 use crate::util::animalnumbers::to_u64;
+use crate::util::hashids::to_u64 as hashid_to_u64;
 use crate::util::misc::remove_expired;
 use crate::AppState;
 
@@ -19,7 +20,13 @@ struct PastaTemplate<'a> {
 pub async fn getpasta(data: web::Data<AppState>, id: web::Path<String>) -> HttpResponse {
     let mut pastas = data.pastas.lock().unwrap();
 
-    let id = to_u64(&*id.into_inner()).unwrap_or(0);
+    println!("{}", id);
+
+    let id = if ARGS.hash_ids {
+        hashid_to_u64(&*id).unwrap_or(0)
+    } else {
+        to_u64(&*id.into_inner()).unwrap_or(0)
+    };
 
     println!("{}", id);
 
@@ -47,7 +54,11 @@ pub async fn getpasta(data: web::Data<AppState>, id: web::Path<String>) -> HttpR
 pub async fn redirecturl(data: web::Data<AppState>, id: web::Path<String>) -> HttpResponse {
     let mut pastas = data.pastas.lock().unwrap();
 
-    let id = to_u64(&*id.into_inner()).unwrap_or(0);
+    let id = if ARGS.hash_ids {
+        hashid_to_u64(&*id).unwrap_or(0)
+    } else {
+        to_u64(&*id.into_inner()).unwrap_or(0)
+    };
 
     remove_expired(&mut pastas);
 
@@ -74,7 +85,11 @@ pub async fn redirecturl(data: web::Data<AppState>, id: web::Path<String>) -> Ht
 pub async fn getrawpasta(data: web::Data<AppState>, id: web::Path<String>) -> String {
     let mut pastas = data.pastas.lock().unwrap();
 
-    let id = to_u64(&*id.into_inner()).unwrap_or(0);
+    let id = if ARGS.hash_ids {
+        hashid_to_u64(&*id).unwrap_or(0)
+    } else {
+        to_u64(&*id.into_inner()).unwrap_or(0)
+    };
 
     remove_expired(&mut pastas);
 

src/endpoints/remove.rs

@@ -4,6 +4,7 @@ use crate::args::ARGS;
 use crate::endpoints::errors::ErrorTemplate;
 use crate::pasta::PastaFile;
 use crate::util::animalnumbers::to_u64;
+use crate::util::hashids::to_u64 as hashid_to_u64;
 use crate::util::misc::remove_expired;
 use crate::AppState;
 use askama::Template;
@@ -19,20 +20,30 @@ pub async fn remove(data: web::Data<AppState>, id: web::Path<String>) -> HttpRes
 
     let mut pastas = data.pastas.lock().unwrap();
 
-    let id = to_u64(&*id.into_inner()).unwrap_or(0);
+    let id = if ARGS.hash_ids {
+        hashid_to_u64(&*id).unwrap_or(0)
+    } else {
+        to_u64(&*id.into_inner()).unwrap_or(0)
+    };
 
     for (i, pasta) in pastas.iter().enumerate() {
         if pasta.id == id {
             // remove the file itself
             if let Some(PastaFile { name, .. }) = &pasta.file {
-                if fs::remove_file(format!("./pasta_data/public/{}/{}", pasta.id_as_animals(), name))
+                if fs::remove_file(format!(
+                    "./pasta_data/public/{}/{}",
+                    pasta.id_as_animals(),
+                    name
+                ))
                 .is_err()
                 {
                     log::error!("Failed to delete file {}!", name)
                 }
 
                 // and remove the containing directory
-                if fs::remove_dir(format!("./pasta_data/public/{}/", pasta.id_as_animals())).is_err() {
+                if fs::remove_dir(format!("./pasta_data/public/{}/", pasta.id_as_animals()))
+                    .is_err()
+                {
                     log::error!("Failed to delete directory {}!", name)
                 }
             }

src/main.rs

@@ -23,6 +23,7 @@ pub mod util {
     pub mod animalnumbers;
     pub mod auth;
     pub mod dbio;
+    pub mod hashids;
     pub mod misc;
     pub mod syntaxhighlighter;
 }
@@ -66,8 +67,14 @@ async fn main() -> std::io::Result<()> {
     match fs::create_dir_all("./pasta_data/public") {
         Ok(dir) => dir,
         Err(error) => {
-            log::error!("Couldn't create data directory ./pasta_data/public/: {:?}", error);
-            panic!("Couldn't create data directory ./pasta_data/public/: {:?}", error);
+            log::error!(
+                "Couldn't create data directory ./pasta_data/public/: {:?}",
+                error
+            );
+            panic!(
+                "Couldn't create data directory ./pasta_data/public/: {:?}",
+                error
+            );
         }
     };
 

src/pasta.rs

@@ -4,7 +4,9 @@ use serde::{Deserialize, Serialize};
 use std::fmt;
 use std::path::Path;
 
+use crate::args::ARGS;
 use crate::util::animalnumbers::to_animal_names;
+use crate::util::hashids::to_hashids;
 use crate::util::syntaxhighlighter::html_highlight;
 
 #[derive(Serialize, Deserialize, PartialEq, Eq)]
@@ -44,8 +46,12 @@ pub struct Pasta {
 
 impl Pasta {
     pub fn id_as_animals(&self) -> String {
+        if ARGS.hash_ids {
+            to_hashids(self.id)
+        } else {
             to_animal_names(self.id)
         }
+    }
 
     pub fn created_as_string(&self) -> String {
         let date = Local.timestamp(self.created, 0);

src/util/hashids.rs

@@ -0,0 +1,18 @@
+use harsh::Harsh;
+use lazy_static::lazy_static;
+
+lazy_static! {
+    pub static ref HARSH: Harsh = Harsh::builder().length(6).build().unwrap();
+}
+
+pub fn to_hashids(number: u64) -> String {
+    HARSH.encode(&[number])
+}
+
+pub fn to_u64(hash_id: &str) -> Result<u64, &str> {
+    let ids = HARSH
+        .decode(hash_id)
+        .map_err(|_e| "Failed to decode hash ID")?;
+    let id = ids.get(0).ok_or("No ID found in hash ID")?;
+    Ok(*id)
+}