Upload and download attachments, and added License file

2024-11-22 05:10:29 +01:00 · 2018-02-15 00:40:34 +01:00 · 2018-02-15 00:40:34 +01:00 · b54684b677
Commit b54684b677
--- a/Cargo.lock
+++ b/Cargo.lock
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 "checksum ordermap 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)" = "b81cf3b8cb96aa0e73bbedfcdc9708d09fec2854ba8d474be4e6f666d7379e8b"
 "checksum pear 0.0.12 (registry+https://github.com/rust-lang/crates.io-index)" = "b5c2dabd6c1650d9bfac8e46be7b518b31c3885ab4412de1aca330938616c5bd"
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@ -1795,6 +1833,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum phf_shared 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)" = "07e24b0ca9643bdecd0632f2b3da6b1b89bbb0030e0b992afc1113b23a7bc2f2"
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@ -1816,7 +1855,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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--- a/Cargo.toml
+++ b/Cargo.toml
@ -17,7 +17,7 @@ rocket_contrib = "0.3.6"
 reqwest = "0.8.4"
 # multipart/form-data support
-multipart = "0.13.6"
+multipart = "0.14.1"
 # A generic serialization/deserialization framework
 serde = "1.0.27"
@ -26,15 +26,15 @@ serde_json = "1.0.9"
 # A safe, extensible ORM and Query builder
 # If tables need more than 16 columns, add feature "large-tables"
-diesel = { version = "1.1.1", features = ["sqlite", "chrono"] }
+diesel = { version = "1.1.1", features = ["sqlite", "chrono", "large-tables"] }
-diesel_migrations = {version = "1.1.0", features = ["sqlite"] }
+diesel_migrations = { version = "1.1.0", features = ["sqlite"] }
 # A generic connection pool
 r2d2 = "0.8.2"
 r2d2-diesel = "1.0.0"
 # Crypto library
-ring = { version = "0.11.0", features = ["rsa_signing"]}
+ring = { version = "0.11.0", features = ["rsa_signing"] }
 # UUID generation
 uuid = { version = "0.5.1", features = ["v4"] }
--- a/LICENSE.txt
+++ b/LICENSE.txt
@ -0,0 +1,674 @@
                    GNU GENERAL PUBLIC LICENSE
                       Version 3, 29 June 2007
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 Everyone is permitted to copy and distribute verbatim copies
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--- a/migrations/2018-01-14-171611_create_tables/down.sql
+++ b/migrations/2018-01-14-171611_create_tables/down.sql
@ -4,4 +4,6 @@ DROP TABLE devices;
 DROP TABLE ciphers;
 DROP TABLE attachments;
 DROP TABLE folders;
--- a/migrations/2018-01-14-171611_create_tables/up.sql
+++ b/migrations/2018-01-14-171611_create_tables/up.sql
@ -2,7 +2,7 @@ CREATE TABLE users (
  uuid                TEXT     NOT NULL PRIMARY KEY,
  created_at          DATETIME NOT NULL,
  updated_at          DATETIME NOT NULL,
-  email               TEXT UNIQUE NOT NULL,
+  email               TEXT     NOT NULL UNIQUE,
  name                TEXT     NOT NULL,
  password_hash       BLOB     NOT NULL,
  salt                BLOB     NOT NULL,
@ -13,7 +13,9 @@ CREATE TABLE users (
  public_key          TEXT,
  totp_secret         TEXT,
  totp_recover        TEXT,
-  security_stamp      TEXT        NOT NULL
+  security_stamp      TEXT     NOT NULL,
  equivalent_domains  TEXT     NOT NULL,
  excluded_globals    TEXT     NOT NULL
 );
 CREATE TABLE devices (
@ -23,8 +25,8 @@ CREATE TABLE devices (
  user_uuid     TEXT     NOT NULL REFERENCES users (uuid),
  name          TEXT     NOT NULL,
  type          INTEGER  NOT NULL,
-  push_token    TEXT UNIQUE,
+  push_token    TEXT,
-  refresh_token TEXT UNIQUE NOT NULL
+  refresh_token TEXT     NOT NULL
 );
 CREATE TABLE ciphers (
@ -36,8 +38,15 @@ CREATE TABLE ciphers (
  organization_uuid TEXT,
  type              INTEGER  NOT NULL,
  data              TEXT     NOT NULL,
-  favorite          BOOLEAN  NOT NULL,
+  favorite          BOOLEAN  NOT NULL
-  attachments       BLOB
+);
 CREATE TABLE attachments (
  id          TEXT    NOT NULL PRIMARY KEY,
  cipher_uuid TEXT    NOT NULL REFERENCES ciphers (uuid),
  file_name   TEXT    NOT NULL,
  file_size   INTEGER NOT NULL
 );
 CREATE TABLE folders (
--- a/src/api/core/accounts.rs
+++ b/src/api/core/accounts.rs
@ -31,7 +31,7 @@ struct KeysData {
 #[post("/accounts/register", data = "<data>")]
 fn register(data: Json<RegisterData>, conn: DbConn) -> Result<(), BadRequest<Json>> {
-    if CONFIG.signups_allowed {
+    if !CONFIG.signups_allowed {
        err!(format!("Signups not allowed"))
    }
    println!("DEBUG - {:#?}", data);
@ -81,7 +81,7 @@ fn post_keys(data: Json<KeysData>, headers: Headers, conn: DbConn) -> Result<Jso
 }
 #[post("/accounts/password", data = "<data>")]
-fn post_password(data: Json<Value>, headers: Headers, conn: DbConn) -> Result<Json, BadRequest<Json>> {
+fn post_password(data: Json<Value>, headers: Headers, conn: DbConn) -> Result<(), BadRequest<Json>> {
    let key = data["key"].as_str().unwrap();
    let password_hash = data["masterPasswordHash"].as_str().unwrap();
    let new_password_hash = data["newMasterPasswordHash"].as_str().unwrap();
@ -94,14 +94,13 @@ fn post_password(data: Json<Value>, headers: Headers, conn: DbConn) -> Result<Js
    user.set_password(new_password_hash);
    user.key = key.to_string();
    user.save(&conn);
-    Ok(Json(json!({})))
+    Ok(())
 }
 #[post("/accounts/security-stamp", data = "<data>")]
-fn post_sstamp(data: Json<Value>, headers: Headers, conn: DbConn) -> Result<Json, BadRequest<Json>> {
+fn post_sstamp(data: Json<Value>, headers: Headers, conn: DbConn) -> Result<(), BadRequest<Json>> {
    let password_hash = data["masterPasswordHash"].as_str().unwrap();
    let mut user = headers.user;
@ -111,14 +110,15 @@ fn post_sstamp(data: Json<Value>, headers: Headers, conn: DbConn) -> Result<Json
    }
    user.reset_security_stamp();
    user.save(&conn);
-    Ok(Json(json!({})))
+    Ok(())
 }
 #[post("/accounts/email-token", data = "<data>")]
-fn post_email(data: Json<Value>, headers: Headers, conn: DbConn) -> Result<Json, BadRequest<Json>> {
+fn post_email(data: Json<Value>, headers: Headers, conn: DbConn) -> Result<(), BadRequest<Json>> {
    println!("{:#?}", data);
    let password_hash = data["masterPasswordHash"].as_str().unwrap();
    let new_email = data["newEmail"].as_str().unwrap();
    let mut user = headers.user;
@ -126,11 +126,18 @@ fn post_email(data: Json<Value>, headers: Headers, conn: DbConn) -> Result<Json,
        err!("Invalid password")
    }
-    err!("Not implemented")
+    if User::find_by_mail(new_email, &conn).is_some() {
        err!("Email already in use");
    }
    user.email = new_email.to_string();
    user.save(&conn);
    Ok(())
 }
 #[post("/accounts/delete", data = "<data>")]
-fn delete_account(data: Json<Value>, headers: Headers, conn: DbConn) -> Result<Json, BadRequest<Json>> {
+fn delete_account(data: Json<Value>, headers: Headers, conn: DbConn) -> Result<(), BadRequest<Json>> {
    let password_hash = data["masterPasswordHash"].as_str().unwrap();
    let mut user = headers.user;
@ -139,6 +146,10 @@ fn delete_account(data: Json<Value>, headers: Headers, conn: DbConn) -> Result<J
        err!("Invalid password")
    }
    // Delete all ciphers by user_uuid
    // Delete all devices by user_uuid
    // Delete user
    err!("Not implemented")
 }
--- a/src/api/core/ciphers.rs
+++ b/src/api/core/ciphers.rs
@ -1,4 +1,5 @@
 use std::io::{Cursor, Read};
 use std::path::Path;
 use rocket::{Route, Data};
 use rocket::http::ContentType;
@ -6,14 +7,21 @@ use rocket::response::status::BadRequest;
 use rocket_contrib::{Json, Value};
-use multipart::server::Multipart;
+use multipart::server::{Multipart, SaveResult};
 use multipart::server::save::SavedData;
 use data_encoding::HEXLOWER;
 use db::DbConn;
 use db::models::*;
 use util;
 use crypto;
 use auth::Headers;
 use CONFIG;
 #[get("/sync")]
 fn sync(headers: Headers, conn: DbConn) -> Result<Json, BadRequest<Json>> {
    let user = headers.user;
@ -22,7 +30,7 @@ fn sync(headers: Headers, conn: DbConn) -> Result<Json, BadRequest<Json>> {
    let folders_json: Vec<Value> = folders.iter().map(|c| c.to_json()).collect();
    let ciphers = Cipher::find_by_user(&user.uuid, &conn);
-    let ciphers_json: Vec<Value> = ciphers.iter().map(|c| c.to_json()).collect();
+    let ciphers_json: Vec<Value> = ciphers.iter().map(|c| c.to_json(&conn)).collect();
    Ok(Json(json!({
        "Profile": user.to_json(),
@ -42,7 +50,7 @@ fn sync(headers: Headers, conn: DbConn) -> Result<Json, BadRequest<Json>> {
 fn get_ciphers(headers: Headers, conn: DbConn) -> Result<Json, BadRequest<Json>> {
    let ciphers = Cipher::find_by_user(&headers.user.uuid, &conn);
-    let ciphers_json: Vec<Value> = ciphers.iter().map(|c| c.to_json()).collect();
+    let ciphers_json: Vec<Value> = ciphers.iter().map(|c| c.to_json(&conn)).collect();
    Ok(Json(json!({
      "Data": ciphers_json,
@ -58,10 +66,10 @@ fn get_cipher(uuid: String, headers: Headers, conn: DbConn) -> Result<Json, BadR
    };
    if cipher.user_uuid != headers.user.uuid {
-        err!("Cipher is now owned by user")
+        err!("Cipher is not owned by user")
    }
-    Ok(Json(cipher.to_json()))
+    Ok(Json(cipher.to_json(&conn)))
 }
 #[derive(Deserialize, Debug)]
@ -86,7 +94,15 @@ fn post_ciphers(data: Json<CipherData>, headers: Headers, conn: DbConn) -> Resul
                                 data.favorite.unwrap_or(false));
    if let Some(ref folder_id) = data.folderId {
-        // TODO: Validate folder is owned by user
+        match Folder::find_by_uuid(folder_id, &conn) {
            Some(folder) => {
                if folder.user_uuid != headers.user.uuid {
                    err!("Folder is not owned by user")
                }
            }
            None => err!("Folder doesn't exist")
        }
        cipher.folder_uuid = Some(folder_id.clone());
    }
@ -107,7 +123,7 @@ fn post_ciphers(data: Json<CipherData>, headers: Headers, conn: DbConn) -> Resul
    cipher.save(&conn);
-    Ok(Json(cipher.to_json()))
+    Ok(Json(cipher.to_json(&conn)))
 }
 fn value_from_data(data: &CipherData) -> Result<Value, &'static str> {
@ -180,48 +196,77 @@ fn post_ciphers_import(data: Json<Value>, headers: Headers, conn: DbConn) -> Res
 #[post("/ciphers/<uuid>/attachment", format = "multipart/form-data", data = "<data>")]
 fn post_attachment(uuid: String, data: Data, content_type: &ContentType, headers: Headers, conn: DbConn) -> Result<Json, BadRequest<Json>> {
-    // TODO: Check if cipher exists
+    let cipher = match Cipher::find_by_uuid(&uuid, &conn) {
        Some(cipher) => cipher,
        None => err!("Cipher doesn't exist")
    };
    if cipher.user_uuid != headers.user.uuid {
        err!("Cipher is not owned by user")
    }
    let mut params = content_type.params();
-    let boundary_pair = params.next().expect("No boundary provided"); // ("boundary", "----WebKitFormBoundary...")
+    let boundary_pair = params.next().expect("No boundary provided");
    let boundary = boundary_pair.1;
-    use data_encoding::BASE64URL;
+    let base_path = Path::new(&CONFIG.attachments_folder).join(&cipher.uuid);
    use crypto;
    use CONFIG;
-    // TODO: Maybe use the same format as the official server?
+    Multipart::with_body(data.open(), boundary).foreach_entry(|mut field| {
-    let attachment_id = BASE64URL.encode(&crypto::get_random_64());
+        let name = field.headers.filename.unwrap(); // This is provided by the client, don't trust it
    let path = format!("{}/{}/{}", CONFIG.attachments_folder,
                       headers.user.uuid, attachment_id);
    println!("Path {:#?}", path);
-    let mut mp = Multipart::with_body(data.open(), boundary);
+        let file_name = HEXLOWER.encode(&crypto::get_random(vec![0; 10]));
-    match mp.save().with_dir(path).into_entries() {
+        let path = base_path.join(&file_name);
        Some(entries) => {
            println!("Entries {:#?}", entries);
-            let saved_file = &entries.files["data"][0]; // Only one file at a time
+        let size = match field.data.save()
-            let file_name = &saved_file.filename; // This is provided by the client, don't trust it
+            .memory_threshold(0)
-            let file_size = &saved_file.size;
+            .size_limit(None)
-        }
+            .with_path(path) {
-        None => err!("No data entries")
+            SaveResult::Full(SavedData::File(path, size)) => size as i32,
-    }
+            _ => return
        };
-    err!("Not implemented")
+        let attachment = Attachment::new(file_name, cipher.uuid.clone(), name, size);
        println!("Attachment: {:#?}", attachment);
        attachment.save(&conn);
    });
    Ok(Json(cipher.to_json(&conn)))
 }
 #[post("/ciphers/<uuid>/attachment/<attachment_id>/delete", data = "<data>")]
 fn delete_attachment_post(uuid: String, attachment_id: String, data: Json<Value>, headers: Headers, conn: DbConn) -> Result<(), BadRequest<Json>> {
    // Data contains a json object with the id, but we don't need it
    delete_attachment(uuid, attachment_id, headers, conn)
 }
 #[delete("/ciphers/<uuid>/attachment/<attachment_id>")]
-fn delete_attachment(uuid: String, attachment_id: String, headers: Headers, conn: DbConn) -> Result<Json, BadRequest<Json>> {
+fn delete_attachment(uuid: String, attachment_id: String, headers: Headers, conn: DbConn) -> Result<(), BadRequest<Json>> {
-    if uuid != headers.user.uuid {
+    let attachment = match Attachment::find_by_id(&attachment_id, &conn) {
-        err!("Permission denied")
+        Some(attachment) => attachment,
        None => err!("Attachment doesn't exist")
    };
    if attachment.cipher_uuid != uuid {
        err!("Attachment from other cipher")
    }
    let cipher = match Cipher::find_by_uuid(&uuid, &conn) {
        Some(cipher) => cipher,
        None => err!("Cipher doesn't exist")
    };
    if cipher.user_uuid != headers.user.uuid {
        err!("Cipher is not owned by user")
    }
    // Delete file
    let file = attachment.get_file_path();
    util::delete_file(&file);
    // Delete entry in cipher
    attachment.delete(&conn);
-    err!("Not implemented")
+    Ok(())
 }
 #[post("/ciphers/<uuid>")]
--- a/src/api/core/mod.rs
+++ b/src/api/core/mod.rs
@ -26,6 +26,7 @@ pub fn routes() -> Vec<Route> {
        post_ciphers,
        post_ciphers_import,
        post_attachment,
        delete_attachment_post,
        delete_attachment,
        post_cipher,
        put_cipher,
@ -89,12 +90,27 @@ fn clear_device_token(uuid: String) -> Result<Json, BadRequest<Json>> { err!("No
 fn put_device_token(uuid: String) -> Result<Json, BadRequest<Json>> { err!("Not implemented") }
 #[derive(Deserialize, Debug)]
 #[allow(non_snake_case)]
 struct EquivDomainData {
    ExcludedGlobalEquivalentDomains: Vec<i32>,
    EquivalentDomains: Vec<Vec<String>>,
 }
 #[get("/settings/domains")]
 fn get_eq_domains() -> Result<Json, BadRequest<Json>> {
    err!("Not implemented")
 }
-#[post("/settings/domains")]
+#[post("/settings/domains", data = "<data>")]
-fn post_eq_domains() -> Result<Json, BadRequest<Json>> {
+fn post_eq_domains(data: Json<EquivDomainData>, headers: Headers, conn: DbConn) -> Result<Json, BadRequest<Json>> {
    let excluded_globals = &data.ExcludedGlobalEquivalentDomains;
    let equivalent_domains = &data.EquivalentDomains;
    let mut user = headers.user;
    //BODY. "{\"ExcludedGlobalEquivalentDomains\":[2],\"EquivalentDomains\":[[\"uoc.edu\",\"uoc.es\"]]}"
    err!("Not implemented")
 }
--- a/src/api/web.rs
+++ b/src/api/web.rs
@ -16,21 +16,26 @@ pub fn routes() -> Vec<Route> {
 // TODO: Might want to use in memory cache: https://github.com/hgzimmerman/rocket-file-cache
 #[get("/")]
 fn index() -> io::Result<NamedFile> {
-    NamedFile::open(Path::new(&CONFIG.web_vault_folder).join("index.html"))
+    NamedFile::open(
        Path::new(&CONFIG.web_vault_folder)
            .join("index.html"))
 }
-#[get("/<p..>")] // Only match this if the other routes don't match
+#[get("/<p..>", rank = 1)] // Only match this if the other routes don't match
 fn files(p: PathBuf) -> io::Result<NamedFile> {
-    NamedFile::open(Path::new(&CONFIG.web_vault_folder).join(p))
+    NamedFile::open(
        Path::new(&CONFIG.web_vault_folder)
            .join(p))
 }
 #[get("/attachments/<uuid>/<file..>")]
-fn attachments(uuid: String, file: PathBuf, headers: Headers) -> io::Result<NamedFile> {
+fn attachments(uuid: String, file: PathBuf) -> io::Result<NamedFile> {
-    if uuid != headers.user.uuid {
+    NamedFile::open(
-        return Err(io::Error::new(io::ErrorKind::PermissionDenied, "Permission denied"));
+        Path::new(&CONFIG.attachments_folder)
-    }
+            .join(uuid)
-
+            .join(file)
-    NamedFile::open(Path::new(&CONFIG.attachments_folder).join(file))
+    )
 }
--- a/src/auth.rs
+++ b/src/auth.rs
@ -96,7 +96,7 @@ use db::DbConn;
 use db::models::{User, Device};
 pub struct Headers {
-    pub device_type: i32,
+    pub device_type: Option<i32>,
    pub device: Device,
    pub user: User,
 }
@ -110,8 +110,8 @@ impl<'a, 'r> FromRequest<'a, 'r> for Headers {
        /// Get device type
        let device_type = match headers.get_one("Device-Type")
            .map(|s| s.parse::<i32>()) {
-            Some(Ok(dt)) => dt,
+            Some(Ok(dt)) => Some(dt),// dt,
-            _ => return err_handler!("Device-Type is invalid or missing")
+            _ => None // return err_handler!("Device-Type is invalid or missing")
        };
        /// Get access_token
--- a/src/bin/proxy.rs
+++ b/src/bin/proxy.rs
@ -21,7 +21,6 @@ use reqwest::header::{self, Headers};
 ** These routes are here to avoid showing errors in the console,
 ** redirect the body data to the fairing and show the web vault.
 **/
 #[get("/")]
 fn index() -> io::Result<NamedFile> {
    NamedFile::open(Path::new("web-vault").join("index.html"))
--- a/src/db/models/attachment.rs
+++ b/src/db/models/attachment.rs
@ -0,0 +1,93 @@
 use serde_json::Value as JsonValue;
 use super::Cipher;
 use CONFIG;
 #[derive(Debug, Identifiable, Queryable, Insertable, Associations)]
 #[table_name = "attachments"]
 #[belongs_to(Cipher, foreign_key = "cipher_uuid")]
 #[primary_key(id)]
 pub struct Attachment {
    pub id: String,
    pub cipher_uuid: String,
    pub file_name: String,
    pub file_size: i32,
 }
 /// Local methods
 impl Attachment {
    pub fn new(id: String, cipher_uuid: String, file_name: String, file_size: i32) -> Self {
        Self {
            id,
            cipher_uuid,
            file_name,
            file_size,
        }
    }
    pub fn get_file_path(&self) -> String {
        format!("{}/{}/{}", CONFIG.attachments_folder, self.cipher_uuid, self.id)
    }
    pub fn to_json(&self) -> JsonValue {
        use util::get_display_size;
        use CONFIG;
        // TODO: Change all references to localhost (maybe put it in .env?)
        let host = "http://localhost:8000";
        let web_path = format!("{}/attachments/{}/{}", host, self.cipher_uuid, self.id);
        let file_path = self.get_file_path();
        let display_size = get_display_size(self.file_size);
        json!({
            "Id": self.id,
            "Url": web_path,
            "FileName": self.file_name,
            "Size": self.file_size.to_string(),
            "SizeName": display_size,
            "Object": "attachment"
        })
    }
 }
 use diesel;
 use diesel::prelude::*;
 use db::DbConn;
 use db::schema::attachments;
 /// Database methods
 impl Attachment {
    pub fn save(&self, conn: &DbConn) -> bool {
        // TODO: Update modified date
        match diesel::replace_into(attachments::table)
            .values(self)
            .execute(&**conn) {
            Ok(1) => true, // One row inserted
            _ => false,
        }
    }
    pub fn delete(self, conn: &DbConn) -> bool {
        match diesel::delete(attachments::table.filter(
            attachments::id.eq(self.id)))
            .execute(&**conn) {
            Ok(1) => true, // One row deleted
            _ => false,
        }
    }
    pub fn find_by_id(id: &str, conn: &DbConn) -> Option<Self> {
        attachments::table
            .filter(attachments::id.eq(id))
            .first::<Self>(&**conn).ok()
    }
    pub fn find_by_cipher(cipher_uuid: &str, conn: &DbConn) -> Vec<Self> {
        attachments::table
            .filter(attachments::cipher_uuid.eq(cipher_uuid))
            .load::<Self>(&**conn).expect("Error loading attachments")
    }
 }
--- a/src/db/models/cipher.rs
+++ b/src/db/models/cipher.rs
@ -4,8 +4,11 @@ use serde_json::Value as JsonValue;
 use uuid::Uuid;
-#[derive(Queryable, Insertable, Identifiable)]
+use super::User;
 #[derive(Debug, Identifiable, Queryable, Insertable, Associations)]
 #[table_name = "ciphers"]
 #[belongs_to(User, foreign_key = "user_uuid")]
 #[primary_key(uuid)]
 pub struct Cipher {
    pub uuid: String,
@ -24,15 +27,14 @@ pub struct Cipher {
    pub data: String,
    pub favorite: bool,
    pub attachments: Option<Vec<u8>>,
 }
 /// Local methods
 impl Cipher {
-    pub fn new(user_uuid: String, type_: i32, favorite: bool) -> Cipher {
+    pub fn new(user_uuid: String, type_: i32, favorite: bool) -> Self {
        let now = Utc::now().naive_utc();
-        Cipher {
+        Self {
            uuid: Uuid::new_v4().to_string(),
            created_at: now,
            updated_at: now,
@ -45,30 +47,8 @@ impl Cipher {
            favorite,
            data: String::new(),
            attachments: None,
        }
    }
    pub fn to_json(&self) -> JsonValue {
        use serde_json;
        use util::format_date;
        let data: JsonValue = serde_json::from_str(&self.data).unwrap();
        json!({
            "Id": self.uuid,
            "Type": self.type_,
            "RevisionDate": format_date(&self.updated_at),
            "FolderId": self.folder_uuid,
            "Favorite": self.favorite,
            "OrganizationId": "",
            "Attachments": self.attachments,
            "OrganizationUseTotp": false,
            "Data": data,
            "Object": "cipher",
            "Edit": true,
        })
    }
 }
 use diesel;
@ -78,6 +58,31 @@ use db::schema::ciphers;
 /// Database methods
 impl Cipher {
    pub fn to_json(&self, conn: &DbConn) -> JsonValue {
        use serde_json;
        use util::format_date;
        use super::Attachment;
        let data_json: JsonValue = serde_json::from_str(&self.data).unwrap();
        let attachments = Attachment::find_by_cipher(&self.uuid, conn);
        let attachments_json: Vec<JsonValue> = attachments.iter().map(|c| c.to_json()).collect();
        json!({
            "Id": self.uuid,
            "Type": self.type_,
            "RevisionDate": format_date(&self.updated_at),
            "FolderId": self.folder_uuid,
            "Favorite": self.favorite,
            "OrganizationId": "",
            "Attachments": attachments_json,
            "OrganizationUseTotp": false,
            "Data": data_json,
            "Object": "cipher",
            "Edit": true,
        })
    }
    pub fn save(&self, conn: &DbConn) -> bool {
        // TODO: Update modified date
@ -98,15 +103,15 @@ impl Cipher {
        }
    }
-    pub fn find_by_uuid(uuid: &str, conn: &DbConn) -> Option<Cipher> {
+    pub fn find_by_uuid(uuid: &str, conn: &DbConn) -> Option<Self> {
        ciphers::table
            .filter(ciphers::uuid.eq(uuid))
-            .first::<Cipher>(&**conn).ok()
+            .first::<Self>(&**conn).ok()
    }
-    pub fn find_by_user(user_uuid: &str, conn: &DbConn) -> Vec<Cipher> {
+    pub fn find_by_user(user_uuid: &str, conn: &DbConn) -> Vec<Self> {
        ciphers::table
            .filter(ciphers::user_uuid.eq(user_uuid))
-            .load::<Cipher>(&**conn).expect("Error loading ciphers")
+            .load::<Self>(&**conn).expect("Error loading ciphers")
    }
 }
--- a/src/db/models/device.rs
+++ b/src/db/models/device.rs
@ -4,8 +4,11 @@ use serde_json::Value as JsonValue;
 use uuid::Uuid;
-#[derive(Queryable, Insertable, Identifiable)]
+use super::User;
 #[derive(Debug, Identifiable, Queryable, Insertable, Associations)]
 #[table_name = "devices"]
 #[belongs_to(User, foreign_key = "user_uuid")]
 #[primary_key(uuid)]
 pub struct Device {
    pub uuid: String,
@ -24,10 +27,10 @@ pub struct Device {
 /// Local methods
 impl Device {
-    pub fn new(uuid: String, user_uuid: String, name: String, type_: i32) -> Device {
+    pub fn new(uuid: String, user_uuid: String, name: String, type_: i32) -> Self {
        let now = Utc::now().naive_utc();
-        Device {
+        Self {
            uuid,
            created_at: now,
            updated_at: now,
@ -103,15 +106,15 @@ impl Device {
        }
    }
-    pub fn find_by_uuid(uuid: &str, conn: &DbConn) -> Option<Device> {
+    pub fn find_by_uuid(uuid: &str, conn: &DbConn) -> Option<Self> {
        devices::table
            .filter(devices::uuid.eq(uuid))
-            .first::<Device>(&**conn).ok()
+            .first::<Self>(&**conn).ok()
    }
-    pub fn find_by_refresh_token(refresh_token: &str, conn: &DbConn) -> Option<Device> {
+    pub fn find_by_refresh_token(refresh_token: &str, conn: &DbConn) -> Option<Self> {
        devices::table
            .filter(devices::refresh_token.eq(refresh_token))
-            .first::<Device>(&**conn).ok()
+            .first::<Self>(&**conn).ok()
    }
 }
--- a/src/db/models/folder.rs
+++ b/src/db/models/folder.rs
@ -4,8 +4,11 @@ use serde_json::Value as JsonValue;
 use uuid::Uuid;
-#[derive(Queryable, Insertable, Identifiable)]
+use super::User;
 #[derive(Debug, Identifiable, Queryable, Insertable, Associations)]
 #[table_name = "folders"]
 #[belongs_to(User, foreign_key = "user_uuid")]
 #[primary_key(uuid)]
 pub struct Folder {
    pub uuid: String,
@ -17,10 +20,10 @@ pub struct Folder {
 /// Local methods
 impl Folder {
-    pub fn new(user_uuid: String, name: String) -> Folder {
+    pub fn new(user_uuid: String, name: String) -> Self {
        let now = Utc::now().naive_utc();
-        Folder {
+        Self {
            uuid: Uuid::new_v4().to_string(),
            created_at: now,
            updated_at: now,
@ -69,15 +72,15 @@ impl Folder {
        }
    }
-    pub fn find_by_uuid(uuid: &str, conn: &DbConn) -> Option<Folder> {
+    pub fn find_by_uuid(uuid: &str, conn: &DbConn) -> Option<Self> {
        folders::table
            .filter(folders::uuid.eq(uuid))
-            .first::<Folder>(&**conn).ok()
+            .first::<Self>(&**conn).ok()
    }
-    pub fn find_by_user(user_uuid: &str, conn: &DbConn) -> Vec<Folder> {
+    pub fn find_by_user(user_uuid: &str, conn: &DbConn) -> Vec<Self> {
        folders::table
            .filter(folders::user_uuid.eq(user_uuid))
-            .load::<Folder>(&**conn).expect("Error loading folders")
+            .load::<Self>(&**conn).expect("Error loading folders")
    }
 }
--- a/src/db/models/mod.rs
+++ b/src/db/models/mod.rs
@ -1,8 +1,10 @@
 mod attachment;
 mod cipher;
 mod device;
 mod folder;
 mod user;
 pub use self::attachment::Attachment;
 pub use self::cipher::Cipher;
 pub use self::device::Device;
 pub use self::folder::Folder;
--- a/src/db/models/user.rs
+++ b/src/db/models/user.rs
@ -6,7 +6,7 @@ use uuid::Uuid;
 use CONFIG;
-#[derive(Queryable, Insertable, Identifiable)]
+#[derive(Debug, Identifiable, Queryable, Insertable)]
 #[table_name = "users"]
 #[primary_key(uuid)]
 pub struct User {
@ -28,11 +28,14 @@ pub struct User {
    pub totp_secret: Option<String>,
    pub totp_recover: Option<String>,
    pub security_stamp: String,
    pub equivalent_domains: String,
    pub excluded_globals: String,
 }
 /// Local methods
 impl User {
-    pub fn new(mail: String, key: String, password: String) -> User {
+    pub fn new(mail: String, key: String, password: String) -> Self {
        let now = Utc::now().naive_utc();
        let email = mail.to_lowercase();
@ -42,7 +45,7 @@ impl User {
        let salt = crypto::get_random_64();
        let password_hash = crypto::hash_password(password.as_bytes(), &salt, iterations as u32);
-        User {
+        Self {
            uuid: Uuid::new_v4().to_string(),
            created_at: now,
            updated_at: now,
@ -61,6 +64,9 @@ impl User {
            public_key: None,
            totp_secret: None,
            totp_recover: None,
            equivalent_domains: "[]".to_string(),
            excluded_globals: "[]".to_string(),
        }
    }
@ -144,16 +150,16 @@ impl User {
        }
    }
-    pub fn find_by_mail(mail: &str, conn: &DbConn) -> Option<User> {
+    pub fn find_by_mail(mail: &str, conn: &DbConn) -> Option<Self> {
        let lower_mail = mail.to_lowercase();
        users::table
            .filter(users::email.eq(lower_mail))
-            .first::<User>(&**conn).ok()
+            .first::<Self>(&**conn).ok()
    }
-    pub fn find_by_uuid(uuid: &str, conn: &DbConn) -> Option<User> {
+    pub fn find_by_uuid(uuid: &str, conn: &DbConn) -> Option<Self> {
        users::table
            .filter(users::uuid.eq(uuid))
-            .first::<User>(&**conn).ok()
+            .first::<Self>(&**conn).ok()
    }
 }
--- a/src/db/schema.rs
+++ b/src/db/schema.rs
@ -1,3 +1,12 @@
 table! {
    attachments (id) {
        id -> Text,
        cipher_uuid -> Text,
        file_name -> Text,
        file_size -> Integer,
    }
 }
 table! {
    ciphers (uuid) {
        uuid -> Text,
@ -10,7 +19,6 @@ table! {
        type_ -> Integer,
        data -> Text,
        favorite -> Bool,
        attachments -> Nullable<Binary>,
    }
 }
@ -55,15 +63,19 @@ table! {
        totp_secret -> Nullable<Text>,
        totp_recover -> Nullable<Text>,
        security_stamp -> Text,
        equivalent_domains -> Text,
        excluded_globals -> Text,
    }
 }
 joinable!(attachments -> ciphers (cipher_uuid));
 joinable!(ciphers -> folders (folder_uuid));
 joinable!(ciphers -> users (user_uuid));
 joinable!(devices -> users (user_uuid));
 joinable!(folders -> users (user_uuid));
 allow_tables_to_appear_in_same_query!(
    attachments,
    ciphers,
    devices,
    folders,
--- a/src/util.rs
+++ b/src/util.rs
@ -30,7 +30,7 @@ macro_rules! err_handler {
 use std::path::Path;
 use std::io::Read;
-use std::fs::File;
+use std::fs::{self, File};
 pub fn file_exists(path: &str) -> bool {
    Path::new(path).exists()
@ -48,6 +48,31 @@ pub fn read_file(path: &str) -> Result<Vec<u8>, String> {
    Ok(contents)
 }
 pub fn delete_file(path: &str) -> bool {
    fs::remove_file(path).is_ok()
 }
 const UNITS: [&'static str; 6] = ["bytes", "KB", "MB", "GB", "TB", "PB"];
 pub fn get_display_size(size: i32) -> String {
    let mut size = size as f64;
    let mut unit_counter = 0;
    loop {
        if size > 1024. {
            size /= 1024.;
            unit_counter += 1;
        } else {
            break;
        }
    };
    // Round to two decimals
    size = (size * 100.).round() / 100.;
    format!("{} {}", size, UNITS[unit_counter])
 }
 ///
 /// String util methods