Merge branch 'master' of github.com:Skeen/bitwarden_rs

.env.template

@@ -35,7 +35,7 @@
 ## Enable extended logging
 ## This shows timestamps and allows logging to file and to syslog
 ### To enable logging to file, use the LOG_FILE env variable
-### To enable syslog, you need to compile with `cargo build --features=enable_syslog'
+### To enable syslog, use the USE_SYSLOG env variable
 # EXTENDED_LOGGING=true
 
 ## Logging to file
@@ -43,6 +43,17 @@
 ## It's recommended to also set 'ROCKET_CLI_COLORS=off'
 # LOG_FILE=/path/to/log
 
+## Logging to Syslog
+## This requires extended logging
+## It's recommended to also set 'ROCKET_CLI_COLORS=off'
+# USE_SYSLOG=false
+
+## Log level
+## Change the verbosity of the log output
+## Valid values are "trace", "debug", "info", "warn", "error" and "off"
+## This requires extended logging
+# LOG_LEVEL=Info
+
 ## Enable WAL for the DB
 ## Set to false to avoid enabling WAL during startup.
 ## Note that if the DB already has WAL enabled, you will also need to disable WAL in the DB,
@@ -62,6 +73,16 @@
 ## The default is 10 seconds, but this could be to low on slower network connections
 # ICON_DOWNLOAD_TIMEOUT=10
 
+## Icon blacklist Regex
+## Any domains or IPs that match this regex won't be fetched by the icon service.
+## Useful to hide other servers in the local network. Check the WIKI for more details
+# ICON_BLACKLIST_REGEX=192\.168\.1\.[0-9].*^
+
+## Disable 2FA remember
+## Enabling this would force the users to use a second factor to login every time.
+## Note that the checkbox would still be present, but ignored.
+# DISABLE_2FA_REMEMBER=false
+
 ## Controls if new users can register
 # SIGNUPS_ALLOWED=true
 
@@ -96,6 +117,17 @@
 # YUBICO_SECRET_KEY=AAAAAAAAAAAAAAAAAAAAAAAA
 # YUBICO_SERVER=http://yourdomain.com/wsapi/2.0/verify
 
+## Duo Settings
+## You need to configure all options to enable global Duo support, otherwise users would need to configure it themselves
+## Create an account and protect an application as mentioned in this link (only the first step, not the rest):
+## https://help.bitwarden.com/article/setup-two-step-login-duo/#create-a-duo-security-account
+## Then set the following options, based on the values obtained from the last step:
+# DUO_IKEY=<Integration Key>
+# DUO_SKEY=<Secret Key>
+# DUO_HOST=<API Hostname>
+## After that, you should be able to follow the rest of the guide linked above,
+## ignoring the fields that ask for the values that you already configured beforehand.
+
 ## Rocket specific settings, check Rocket documentation to learn more
 # ROCKET_ENV=staging
 # ROCKET_ADDRESS=0.0.0.0 # Enable this to test mobile app

Cargo.toml

@@ -11,50 +11,53 @@ publish = false
 build = "build.rs"
 
 [features]
-enable_syslog = ["syslog", "fern/syslog-4"]
+# Empty to keep compatibility, prefer to set USE_SYSLOG=true
+enable_syslog = []
+
+[target."cfg(not(windows))".dependencies]
+syslog = "4.0.1"
 
 [dependencies]
 # Web framework for nightly with a focus on ease-of-use, expressibility, and speed.
-rocket = { version = "0.4.0", features = ["tls"], default-features = false }
+rocket = { version = "0.5.0-dev", features = ["tls"], default-features = false }
-rocket_contrib = "0.4.0"
+rocket_contrib = "0.5.0-dev"
 
 # HTTP client
-reqwest = "0.9.10"
+reqwest = "0.9.17"
 
 # multipart/form-data support
-multipart = "0.16.1"
+multipart = { version = "0.16.1", features = ["server"], default-features = false }
 
 # WebSockets library
-ws = "0.7.9"
+ws = "0.8.1"
 
 # MessagePack library
 rmpv = "0.4.0"
 
 # Concurrent hashmap implementation
-chashmap = "2.2.0"
+chashmap = "2.2.2"
 
 # A generic serialization/deserialization framework
-serde = "1.0.88"
+serde = "1.0.91"
-serde_derive = "1.0.88"
+serde_derive = "1.0.91"
-serde_json = "1.0.38"
+serde_json = "1.0.39"
 
 # Logging
 log = "0.4.6"
-fern = "0.5.7"
+fern = { version = "0.5.8", features = ["syslog-4"] }
-syslog = { version = "4.0.1", optional = true }
 
 # A safe, extensible ORM and Query builder
-diesel = { version = "1.4.1", features = ["sqlite", "chrono", "r2d2"] }
+diesel = { version = "1.4.2", features = ["sqlite", "chrono", "r2d2"] }
 diesel_migrations = { version = "1.4.0", features = ["sqlite"] }
 
 # Bundled SQLite
 libsqlite3-sys = { version = "0.12.0", features = ["bundled"] }
 
 # Crypto library
-ring = { version = "0.13.5", features = ["rsa_signing"] }
+ring = "0.14.6"
 
 # UUID generation
-uuid = { version = "0.7.2", features = ["v4"] }
+uuid = { version = "0.7.4", features = ["v4"] }
 
 # Date and time library for Rust
 chrono = "0.4.6"
@@ -66,43 +69,44 @@ oath = "0.10.2"
 data-encoding = "2.1.2"
 
 # JWT library
-jsonwebtoken = "5.0.1"
+jsonwebtoken = "6.0.1"
 
 # U2F library
-u2f = "0.1.4"
+u2f = "0.1.6"
 
 # Yubico Library
 yubico = { version = "0.5.1", features = ["online"], default-features = false }
 
 # A `dotenv` implementation for Rust
-dotenv = { version = "0.13.0", default-features = false }
+dotenv = { version = "0.14.1", default-features = false }
 
 # Lazy static macro
-lazy_static = { version = "1.2.0", features = ["nightly"] }
+lazy_static = "1.3.0"
 
 # More derives
 derive_more = "0.14.0"
 
 # Numerical libraries
 num-traits = "0.2.6"
-num-derive = "0.2.4"
+num-derive = "0.2.5"
 
 # Email libraries
-lettre = "0.9.0"
+lettre = "0.9.1"
-lettre_email = "0.9.0"
+lettre_email = "0.9.1"
-native-tls = "0.2.2"
+native-tls = "0.2.3"
+quoted_printable = "0.4.0"
 
 # Template library
 handlebars = "1.1.0"
 
 # For favicon extraction from main website
-soup = "0.3.0"
+soup = "0.4.1"
-regex = "1.1.0"
+regex = "1.1.6"
 
 [patch.crates-io]
 # Add support for Timestamp type
 rmp = { git = 'https://github.com/dani-garcia/msgpack-rust' }
 
-# Use new native_tls version 0.2
+# Use newest ring
-lettre = { git = 'https://github.com/lettre/lettre', rev = 'c988b1760ad81' }
+rocket = { git = 'https://github.com/SergioBenitez/Rocket', rev = 'dbcb0a75b9556763ac3ab708f40c8f8ed75f1a1e' }
-lettre_email = { git = 'https://github.com/lettre/lettre', rev = 'c988b1760ad81' }
+rocket_contrib = { git = 'https://github.com/SergioBenitez/Rocket', rev = 'dbcb0a75b9556763ac3ab708f40c8f8ed75f1a1e' }

Dockerfile

@@ -4,7 +4,7 @@
 ####################### VAULT BUILD IMAGE  #######################
 FROM alpine as vault
 
-ENV VAULT_VERSION "v2.8.0d"
+ENV VAULT_VERSION "v2.10.1"
 
 ENV URL "https://github.com/dani-garcia/bw_web_builds/releases/download/$VAULT_VERSION/bw_web_$VAULT_VERSION.tar.gz"
 

Dockerfile.aarch64

@@ -4,7 +4,7 @@
 ####################### VAULT BUILD IMAGE  #######################
 FROM alpine as vault
 
-ENV VAULT_VERSION "v2.8.0d"
+ENV VAULT_VERSION "v2.10.1"
 
 ENV URL "https://github.com/dani-garcia/bw_web_builds/releases/download/$VAULT_VERSION/bw_web_$VAULT_VERSION.tar.gz"
 

Dockerfile.alpine

@@ -4,7 +4,7 @@
 ####################### VAULT BUILD IMAGE  #######################
 FROM alpine as vault
 
-ENV VAULT_VERSION "v2.8.0d"
+ENV VAULT_VERSION "v2.10.1"
 
 ENV URL "https://github.com/dani-garcia/bw_web_builds/releases/download/$VAULT_VERSION/bw_web_$VAULT_VERSION.tar.gz"
 
@@ -38,7 +38,7 @@ RUN cargo build --release
 ######################## RUNTIME IMAGE  ########################
 # Create a new stage with a minimal image
 # because we already have a binary built
-FROM alpine:3.8
+FROM alpine:3.9
 
 ENV ROCKET_ENV "staging"
 ENV ROCKET_PORT=80

Dockerfile.armv6

@@ -4,7 +4,7 @@
 ####################### VAULT BUILD IMAGE  #######################
 FROM alpine as vault
 
-ENV VAULT_VERSION "v2.8.0d"
+ENV VAULT_VERSION "v2.10.1"
 
 ENV URL "https://github.com/dani-garcia/bw_web_builds/releases/download/$VAULT_VERSION/bw_web_$VAULT_VERSION.tar.gz"
 

Dockerfile.armv7

@@ -4,7 +4,7 @@
 ####################### VAULT BUILD IMAGE  #######################
 FROM alpine as vault
 
-ENV VAULT_VERSION "v2.8.0d"
+ENV VAULT_VERSION "v2.10.1"
 
 ENV URL "https://github.com/dani-garcia/bw_web_builds/releases/download/$VAULT_VERSION/bw_web_$VAULT_VERSION.tar.gz"
 

README.md

@@ -3,7 +3,7 @@
 ---
 
 [![Travis Build Status](https://travis-ci.org/dani-garcia/bitwarden_rs.svg?branch=master)](https://travis-ci.org/dani-garcia/bitwarden_rs)
-[![Docker Pulls](https://img.shields.io/docker/pulls/mprasil/bitwarden.svg)](https://hub.docker.com/r/mprasil/bitwarden)
+[![Docker Pulls](https://img.shields.io/docker/pulls/bitwardenrs/server.svg)](https://hub.docker.com/r/bitwardenrs/server)
 [![Dependency Status](https://deps.rs/repo/github/dani-garcia/bitwarden_rs/status.svg)](https://deps.rs/repo/github/dani-garcia/bitwarden_rs)
 [![GitHub Release](https://img.shields.io/github/release/dani-garcia/bitwarden_rs.svg)](https://github.com/dani-garcia/bitwarden_rs/releases/latest)
 [![GPL-3.0 Licensed](https://img.shields.io/github/license/dani-garcia/bitwarden_rs.svg)](https://github.com/dani-garcia/bitwarden_rs/blob/master/LICENSE.txt)
@@ -34,8 +34,8 @@ Basically full implementation of Bitwarden API is provided including:
 Pull the docker image and mount a volume from the host for persistent storage:
 
 ```sh
-docker pull mprasil/bitwarden:latest
+docker pull bitwardenrs/server:latest
-docker run -d --name bitwarden -v /bw-data/:/data/ -p 80:80 mprasil/bitwarden:latest
+docker run -d --name bitwarden -v /bw-data/:/data/ -p 80:80 bitwardenrs/server:latest
 ```
 This will preserve any persistent data under /bw-data/, you can adapt the path to whatever suits you.
 

rust-toolchain

@@ -1 +1 @@
-nightly-2019-01-26
+nightly-2019-05-11

src/api/admin.rs

@@ -6,7 +6,7 @@ use rocket::response::{content::Html, Flash, Redirect};
 use rocket::{Outcome, Route};
 use rocket_contrib::json::Json;
 
-use crate::api::{ApiResult, EmptyResult};
+use crate::api::{ApiResult, EmptyResult, JsonResult};
 use crate::auth::{decode_admin, encode_jwt, generate_admin_claims, ClientIp};
 use crate::config::ConfigBuilder;
 use crate::db::{models::*, DbConn};
@@ -21,11 +21,13 @@ pub fn routes() -> Vec<Route> {
 
     routes![
         admin_login,
+        get_users,
         post_admin_login,
         admin_page,
         invite_user,
         delete_user,
         deauth_user,
+        update_revision_users,
         post_config,
         delete_config,
     ]
@@ -89,7 +91,7 @@ fn post_admin_login(data: Form<LoginForm>, mut cookies: Cookies, ip: ClientIp) -
 fn _validate_token(token: &str) -> bool {
     match CONFIG.admin_token().as_ref() {
         None => false,
-        Some(t) => crate::crypto::ct_eq(t, token),
+        Some(t) => crate::crypto::ct_eq(t.trim(), token.trim()),
     }
 }
 
@@ -143,9 +145,10 @@ fn invite_user(data: Json<InviteData>, _token: AdminToken, conn: DbConn) -> Empt
         err!("Invitations are not allowed")
     }
 
-    if CONFIG.mail_enabled() {
     let mut user = User::new(email);
     user.save(&conn)?;
+
+    if CONFIG.mail_enabled() {
         let org_name = "bitwarden_rs";
         mail::send_invite(&user.email, &user.uuid, None, None, &org_name, None)
     } else {
@@ -154,6 +157,14 @@ fn invite_user(data: Json<InviteData>, _token: AdminToken, conn: DbConn) -> Empt
     }
 }
 
+#[get("/users")]
+fn get_users(_token: AdminToken, conn: DbConn) -> JsonResult {
+    let users = User::get_all(&conn);
+    let users_json: Vec<Value> = users.iter().map(|u| u.to_json(&conn)).collect();
+
+    Ok(Json(Value::Array(users_json)))
+}
+
 #[post("/users/<uuid>/delete")]
 fn delete_user(uuid: String, _token: AdminToken, conn: DbConn) -> EmptyResult {
     let user = match User::find_by_uuid(&uuid, &conn) {
@@ -177,6 +188,11 @@ fn deauth_user(uuid: String, _token: AdminToken, conn: DbConn) -> EmptyResult {
     user.save(&conn)
 }
 
+#[post("/users/update_revision")]
+fn update_revision_users(_token: AdminToken, conn: DbConn) -> EmptyResult {
+    User::update_all_revisions(&conn)
+}
+
 #[post("/config", data = "<data>")]
 fn post_config(data: Json<ConfigBuilder>, _token: AdminToken) -> EmptyResult {
     let data: ConfigBuilder = data.into_inner();
@@ -196,8 +212,7 @@ impl<'a, 'r> FromRequest<'a, 'r> for AdminToken {
     fn from_request(request: &'a Request<'r>) -> request::Outcome<Self, Self::Error> {
         if CONFIG.disable_admin_token() {
             Outcome::Success(AdminToken {})
-        }
+        } else {
-        else {
             let mut cookies = request.cookies();
 
             let access_token = match cookies.get(COOKIE_NAME) {

src/api/core/ciphers.rs

@@ -74,10 +74,10 @@ fn sync(data: Form<SyncData>, headers: Headers, conn: DbConn) -> JsonResult {
     let user_json = headers.user.to_json(&conn);
 
     let folders = Folder::find_by_user(&headers.user.uuid, &conn);
-    let folders_json: Vec<Value> = folders.iter().map(|c| c.to_json()).collect();
+    let folders_json: Vec<Value> = folders.iter().map(Folder::to_json).collect();
 
     let collections = Collection::find_by_user_uuid(&headers.user.uuid, &conn);
-    let collections_json: Vec<Value> = collections.iter().map(|c| c.to_json()).collect();
+    let collections_json: Vec<Value> = collections.iter().map(Collection::to_json).collect();
 
     let ciphers = Cipher::find_by_user(&headers.user.uuid, &conn);
     let ciphers_json: Vec<Value> = ciphers
@@ -854,11 +854,7 @@ fn move_cipher_selected(data: JsonUpcase<MoveCipherData>, headers: Headers, conn
         // Move cipher
         cipher.move_to_folder(data.FolderId.clone(), &user_uuid, &conn)?;
 
-        nt.send_cipher_update(
+        nt.send_cipher_update(UpdateType::CipherUpdate, &cipher, &[user_uuid.clone()]);
-            UpdateType::CipherUpdate,
-            &cipher,
-            &[user_uuid.clone()]
-        );
     }
 
     Ok(())
@@ -874,8 +870,20 @@ fn move_cipher_selected_put(
     move_cipher_selected(data, headers, conn, nt)
 }
 
-#[post("/ciphers/purge", data = "<data>")]
+#[derive(FromForm)]
-fn delete_all(data: JsonUpcase<PasswordData>, headers: Headers, conn: DbConn, nt: Notify) -> EmptyResult {
+struct OrganizationId {
+    #[form(field = "organizationId")]
+    org_id: String,
+}
+
+#[post("/ciphers/purge?<organization..>", data = "<data>")]
+fn delete_all(
+    organization: Option<Form<OrganizationId>>,
+    data: JsonUpcase<PasswordData>,
+    headers: Headers,
+    conn: DbConn,
+    nt: Notify,
+) -> EmptyResult {
     let data: PasswordData = data.into_inner().data;
     let password_hash = data.MasterPasswordHash;
 
@@ -885,6 +893,25 @@ fn delete_all(data: JsonUpcase<PasswordData>, headers: Headers, conn: DbConn, nt
         err!("Invalid password")
     }
 
+    match organization {
+        Some(org_data) => {
+            // Organization ID in query params, purging organization vault
+            match UserOrganization::find_by_user_and_org(&user.uuid, &org_data.org_id, &conn) {
+                None => err!("You don't have permission to purge the organization vault"),
+                Some(user_org) => {
+                    if user_org.type_ == UserOrgType::Owner {
+                        Cipher::delete_all_by_organization(&org_data.org_id, &conn)?;
+                        Collection::delete_all_by_organization(&org_data.org_id, &conn)?;
+                        nt.send_user_update(UpdateType::Vault, &user);
+                        Ok(())
+                    } else {
+                        err!("You don't have permission to purge the organization vault");
+                    }
+                }
+            }
+        }
+        None => {
+            // No organization ID in query params, purging user vault
             // Delete ciphers and their attachments
             for cipher in Cipher::find_owned_by_user(&user.uuid, &conn) {
                 cipher.delete(&conn)?;
@@ -898,6 +925,8 @@ fn delete_all(data: JsonUpcase<PasswordData>, headers: Headers, conn: DbConn, nt
             user.update_revision(&conn)?;
             nt.send_user_update(UpdateType::Vault, &user);
             Ok(())
+        }
+    }
 }
 
 fn _delete_cipher_by_uuid(uuid: &str, headers: &Headers, conn: &DbConn, nt: &Notify) -> EmptyResult {

src/api/core/folders.rs

@@ -25,7 +25,7 @@ pub fn routes() -> Vec<Route> {
 fn get_folders(headers: Headers, conn: DbConn) -> JsonResult {
     let folders = Folder::find_by_user(&headers.user.uuid, &conn);
 
-    let folders_json: Vec<Value> = folders.iter().map(|c| c.to_json()).collect();
+    let folders_json: Vec<Value> = folders.iter().map(Folder::to_json).collect();
 
     Ok(Json(json!({
       "Data": folders_json,

src/api/core/mod.rs

@@ -33,10 +33,10 @@ use rocket::Route;
 use rocket_contrib::json::Json;
 use serde_json::Value;
 
-use crate::db::DbConn;
-
 use crate::api::{EmptyResult, JsonResult, JsonUpcase};
 use crate::auth::Headers;
+use crate::db::DbConn;
+use crate::error::Error;
 
 #[put("/devices/identifier/<uuid>/clear-token")]
 fn clear_device_token(uuid: String) -> EmptyResult {
@@ -137,12 +137,13 @@ fn hibp_breach(username: String) -> JsonResult {
 
     use reqwest::{header::USER_AGENT, Client};
 
-    let value: Value = Client::new()
+    let res = Client::new().get(&url).header(USER_AGENT, user_agent).send()?;
-        .get(&url)
-        .header(USER_AGENT, user_agent)
-        .send()?
-        .error_for_status()?
-        .json()?;
 
+    // If we get a 404, return a 404, it means no breached accounts
+    if res.status() == 404 {
+        return Err(Error::empty().with_code(404));
+    }
+
+    let value: Value = res.error_for_status()?.json()?;
     Ok(Json(value))
 }

src/api/core/two_factor.rs

@@ -1,4 +1,4 @@
-use data_encoding::BASE32;
+use data_encoding::{BASE32, BASE64};
 use rocket_contrib::json::Json;
 use serde_json;
 use serde_json::Value;
@@ -31,13 +31,16 @@ pub fn routes() -> Vec<Route> {
         generate_yubikey,
         activate_yubikey,
         activate_yubikey_put,
+        get_duo,
+        activate_duo,
+        activate_duo_put,
     ]
 }
 
 #[get("/two-factor")]
 fn get_twofactor(headers: Headers, conn: DbConn) -> JsonResult {
     let twofactors = TwoFactor::find_by_user(&headers.user.uuid, &conn);
-    let twofactors_json: Vec<Value> = twofactors.iter().map(|c| c.to_json_list()).collect();
+    let twofactors_json: Vec<Value> = twofactors.iter().map(TwoFactor::to_json_list).collect();
 
     Ok(Json(json!({
         "Data": twofactors_json,
@@ -102,6 +105,14 @@ fn recover(data: JsonUpcase<RecoverTwoFactor>, conn: DbConn) -> JsonResult {
     Ok(Json(json!({})))
 }
 
+fn _generate_recover_code(user: &mut User, conn: &DbConn) {
+    if user.totp_recover.is_none() {
+        let totp_recover = BASE32.encode(&crypto::get_random(vec![0u8; 20]));
+        user.totp_recover = Some(totp_recover);
+        user.save(conn).ok();
+    }
+}
+
 #[derive(Deserialize)]
 #[allow(non_snake_case)]
 struct DisableTwoFactorData {
@@ -196,9 +207,7 @@ fn activate_authenticator(data: JsonUpcase<EnableAuthenticatorData>, headers: He
     let twofactor = TwoFactor::new(user.uuid.clone(), type_, key.to_uppercase());
 
     // Validate the token provided with the key
-    if !twofactor.check_totp_code(token) {
+    validate_totp_code(token, &twofactor.data)?;
-        err!("Invalid totp code")
-    }
 
     _generate_recover_code(&mut user, &conn);
     twofactor.save(&conn)?;
@@ -215,12 +224,29 @@ fn activate_authenticator_put(data: JsonUpcase<EnableAuthenticatorData>, headers
     activate_authenticator(data, headers, conn)
 }
 
-fn _generate_recover_code(user: &mut User, conn: &DbConn) {
+pub fn validate_totp_code_str(totp_code: &str, secret: &str) -> EmptyResult {
-    if user.totp_recover.is_none() {
+    let totp_code: u64 = match totp_code.parse() {
-        let totp_recover = BASE32.encode(&crypto::get_random(vec![0u8; 20]));
+        Ok(code) => code,
-        user.totp_recover = Some(totp_recover);
+        _ => err!("TOTP code is not a number"),
-        user.save(conn).ok();
+    };
+
+    validate_totp_code(totp_code, secret)
+}
+
+pub fn validate_totp_code(totp_code: u64, secret: &str) -> EmptyResult {
+    use oath::{totp_raw_now, HashType};
+
+    let decoded_secret = match BASE32.decode(secret.as_bytes()) {
+        Ok(s) => s,
+        Err(_) => err!("Invalid TOTP secret"),
+    };
+
+    let generated = totp_raw_now(&decoded_secret, 6, 0, 30, &HashType::SHA1);
+    if generated != totp_code {
+        err!("Invalid TOTP code");
     }
+
+    Ok(())
 }
 
 use u2f::messages::{RegisterResponse, SignResponse, U2fSignRequest};
@@ -248,7 +274,7 @@ fn generate_u2f(data: JsonUpcase<PasswordData>, headers: Headers, conn: DbConn)
     }
 
     let (enabled, keys) = get_u2f_registrations(&headers.user.uuid, &conn)?;
-    let keys_json: Vec<Value> = keys.iter().map(|r| r.to_json()).collect();
+    let keys_json: Vec<Value> = keys.iter().map(U2FRegistration::to_json).collect();
 
     Ok(Json(json!({
         "Enabled": enabled,
@@ -384,7 +410,7 @@ fn activate_u2f(data: JsonUpcase<EnableU2FData>, headers: Headers, conn: DbConn)
 
     _generate_recover_code(&mut user, &conn);
 
-    let keys_json: Vec<Value> = regs.iter().map(|r| r.to_json()).collect();
+    let keys_json: Vec<Value> = regs.iter().map(U2FRegistration::to_json).collect();
     Ok(Json(json!({
         "Enabled": true,
         "Keys": keys_json,
@@ -671,20 +697,12 @@ fn activate_yubikey_put(data: JsonUpcase<EnableYubikeyData>, headers: Headers, c
     activate_yubikey(data, headers, conn)
 }
 
-pub fn validate_yubikey_login(user_uuid: &str, response: &str, conn: &DbConn) -> EmptyResult {
+pub fn validate_yubikey_login(response: &str, twofactor_data: &str) -> EmptyResult {
     if response.len() != 44 {
         err!("Invalid Yubikey OTP length");
     }
 
-    let yubikey_type = TwoFactorType::YubiKey as i32;
+    let yubikey_metadata: YubikeyMetadata = serde_json::from_str(twofactor_data).expect("Can't parse Yubikey Metadata");
-
-    let twofactor = match TwoFactor::find_by_user_and_type(user_uuid, yubikey_type, &conn) {
-        Some(tf) => tf,
-        None => err!("No YubiKey devices registered"),
-    };
-
-    let yubikey_metadata: YubikeyMetadata =
-        serde_json::from_str(&twofactor.data).expect("Can't parse Yubikey Metadata");
     let response_id = &response[..12];
 
     if !yubikey_metadata.Keys.contains(&response_id.to_owned()) {
@@ -698,3 +716,325 @@ pub fn validate_yubikey_login(user_uuid: &str, response: &str, conn: &DbConn) ->
         Err(_e) => err!("Failed to verify Yubikey against OTP server"),
     }
 }
+
+#[derive(Serialize, Deserialize)]
+struct DuoData {
+    host: String,
+    ik: String,
+    sk: String,
+}
+
+impl DuoData {
+    fn global() -> Option<Self> {
+        match CONFIG.duo_host() {
+            Some(host) => Some(Self {
+                host,
+                ik: CONFIG.duo_ikey().unwrap(),
+                sk: CONFIG.duo_skey().unwrap(),
+            }),
+            None => None,
+        }
+    }
+    fn msg(s: &str) -> Self {
+        Self {
+            host: s.into(),
+            ik: s.into(),
+            sk: s.into(),
+        }
+    }
+    fn secret() -> Self {
+        Self::msg("<global_secret>")
+    }
+    fn obscure(self) -> Self {
+        let mut host = self.host;
+        let mut ik = self.ik;
+        let mut sk = self.sk;
+
+        let digits = 4;
+        let replaced = "************";
+
+        host.replace_range(digits.., replaced);
+        ik.replace_range(digits.., replaced);
+        sk.replace_range(digits.., replaced);
+
+        Self { host, ik, sk }
+    }
+}
+
+enum DuoStatus {
+    Global(DuoData), // Using the global duo config
+    User(DuoData),   // Using the user's config
+    Disabled(bool),  // True if there is a global setting
+}
+
+impl DuoStatus {
+    fn data(self) -> Option<DuoData> {
+        match self {
+            DuoStatus::Global(data) => Some(data),
+            DuoStatus::User(data) => Some(data),
+            DuoStatus::Disabled(_) => None,
+        }
+    }
+}
+const DISABLED_MESSAGE_DEFAULT: &str = "<To use the global Duo keys, please leave these fields untouched>";
+
+#[post("/two-factor/get-duo", data = "<data>")]
+fn get_duo(data: JsonUpcase<PasswordData>, headers: Headers, conn: DbConn) -> JsonResult {
+    let data: PasswordData = data.into_inner().data;
+
+    if !headers.user.check_valid_password(&data.MasterPasswordHash) {
+        err!("Invalid password");
+    }
+
+    let data = get_user_duo_data(&headers.user.uuid, &conn);
+
+    let (enabled, data) = match data {
+        DuoStatus::Global(_) => (true, Some(DuoData::secret())),
+        DuoStatus::User(data) => (true, Some(data.obscure())),
+        DuoStatus::Disabled(true) => (false, Some(DuoData::msg(DISABLED_MESSAGE_DEFAULT))),
+        DuoStatus::Disabled(false) => (false, None),
+    };
+
+    let json = if let Some(data) = data {
+        json!({
+            "Enabled": enabled,
+            "Host": data.host,
+            "SecretKey": data.sk,
+            "IntegrationKey": data.ik,
+            "Object": "twoFactorDuo"
+        })
+    } else {
+        json!({
+            "Enabled": enabled,
+            "Object": "twoFactorDuo"
+        })
+    };
+
+    Ok(Json(json))
+}
+
+#[derive(Deserialize)]
+#[allow(non_snake_case, dead_code)]
+struct EnableDuoData {
+    MasterPasswordHash: String,
+    Host: String,
+    SecretKey: String,
+    IntegrationKey: String,
+}
+
+impl From<EnableDuoData> for DuoData {
+    fn from(d: EnableDuoData) -> Self {
+        Self {
+            host: d.Host,
+            ik: d.IntegrationKey,
+            sk: d.SecretKey,
+        }
+    }
+}
+
+fn check_duo_fields_custom(data: &EnableDuoData) -> bool {
+    fn empty_or_default(s: &str) -> bool {
+        let st = s.trim();
+        st.is_empty() || s == DISABLED_MESSAGE_DEFAULT
+    }
+
+    !empty_or_default(&data.Host) && !empty_or_default(&data.SecretKey) && !empty_or_default(&data.IntegrationKey)
+}
+
+#[post("/two-factor/duo", data = "<data>")]
+fn activate_duo(data: JsonUpcase<EnableDuoData>, headers: Headers, conn: DbConn) -> JsonResult {
+    let data: EnableDuoData = data.into_inner().data;
+
+    if !headers.user.check_valid_password(&data.MasterPasswordHash) {
+        err!("Invalid password");
+    }
+
+    let (data, data_str) = if check_duo_fields_custom(&data) {
+        let data_req: DuoData = data.into();
+        let data_str = serde_json::to_string(&data_req)?;
+        duo_api_request("GET", "/auth/v2/check", "", &data_req).map_res("Failed to validate Duo credentials")?;
+        (data_req.obscure(), data_str)
+    } else {
+        (DuoData::secret(), String::new())
+    };
+
+    let type_ = TwoFactorType::Duo;
+    let twofactor = TwoFactor::new(headers.user.uuid.clone(), type_, data_str);
+    twofactor.save(&conn)?;
+
+    Ok(Json(json!({
+        "Enabled": true,
+        "Host": data.host,
+        "SecretKey": data.sk,
+        "IntegrationKey": data.ik,
+        "Object": "twoFactorDuo"
+    })))
+}
+
+#[put("/two-factor/duo", data = "<data>")]
+fn activate_duo_put(data: JsonUpcase<EnableDuoData>, headers: Headers, conn: DbConn) -> JsonResult {
+    activate_duo(data, headers, conn)
+}
+
+fn duo_api_request(method: &str, path: &str, params: &str, data: &DuoData) -> EmptyResult {
+    const AGENT: &str = "bitwarden_rs:Duo/1.0 (Rust)";
+
+    use reqwest::{header::*, Client, Method};
+    use std::str::FromStr;
+
+    let url = format!("https://{}{}", &data.host, path);
+    let date = Utc::now().to_rfc2822();
+    let username = &data.ik;
+    let fields = [&date, method, &data.host, path, params];
+    let password = crypto::hmac_sign(&data.sk, &fields.join("\n"));
+
+    let m = Method::from_str(method).unwrap_or_default();
+
+    Client::new()
+        .request(m, &url)
+        .basic_auth(username, Some(password))
+        .header(USER_AGENT, AGENT)
+        .header(DATE, date)
+        .send()?
+        .error_for_status()?;
+
+    Ok(())
+}
+
+const DUO_EXPIRE: i64 = 300;
+const APP_EXPIRE: i64 = 3600;
+
+const AUTH_PREFIX: &str = "AUTH";
+const DUO_PREFIX: &str = "TX";
+const APP_PREFIX: &str = "APP";
+
+use chrono::Utc;
+
+fn get_user_duo_data(uuid: &str, conn: &DbConn) -> DuoStatus {
+    let type_ = TwoFactorType::Duo as i32;
+
+    // If the user doesn't have an entry, disabled
+    let twofactor = match TwoFactor::find_by_user_and_type(uuid, type_, &conn) {
+        Some(t) => t,
+        None => return DuoStatus::Disabled(DuoData::global().is_some()),
+    };
+
+    // If the user has the required values, we use those
+    if let Ok(data) = serde_json::from_str(&twofactor.data) {
+        return DuoStatus::User(data);
+    }
+
+    // Otherwise, we try to use the globals
+    if let Some(global) = DuoData::global() {
+        return DuoStatus::Global(global);
+    }
+
+    // If there are no globals configured, just disable it
+    DuoStatus::Disabled(false)
+}
+
+// let (ik, sk, ak, host) = get_duo_keys();
+fn get_duo_keys_email(email: &str, conn: &DbConn) -> ApiResult<(String, String, String, String)> {
+    let data = User::find_by_mail(email, &conn)
+        .and_then(|u| get_user_duo_data(&u.uuid, &conn).data())
+        .or_else(DuoData::global)
+        .map_res("Can't fetch Duo keys")?;
+
+    Ok((data.ik, data.sk, CONFIG.get_duo_akey(), data.host))
+}
+
+pub fn generate_duo_signature(email: &str, conn: &DbConn) -> ApiResult<(String, String)> {
+    let now = Utc::now().timestamp();
+
+    let (ik, sk, ak, host) = get_duo_keys_email(email, conn)?;
+
+    let duo_sign = sign_duo_values(&sk, email, &ik, DUO_PREFIX, now + DUO_EXPIRE);
+    let app_sign = sign_duo_values(&ak, email, &ik, APP_PREFIX, now + APP_EXPIRE);
+
+    Ok((format!("{}:{}", duo_sign, app_sign), host))
+}
+
+fn sign_duo_values(key: &str, email: &str, ikey: &str, prefix: &str, expire: i64) -> String {
+    let val = format!("{}|{}|{}", email, ikey, expire);
+    let cookie = format!("{}|{}", prefix, BASE64.encode(val.as_bytes()));
+
+    format!("{}|{}", cookie, crypto::hmac_sign(key, &cookie))
+}
+
+pub fn validate_duo_login(email: &str, response: &str, conn: &DbConn) -> EmptyResult {
+    let split: Vec<&str> = response.split(':').collect();
+    if split.len() != 2 {
+        err!("Invalid response length");
+    }
+
+    let auth_sig = split[0];
+    let app_sig = split[1];
+
+    let now = Utc::now().timestamp();
+
+    let (ik, sk, ak, _host) = get_duo_keys_email(email, conn)?;
+
+    let auth_user = parse_duo_values(&sk, auth_sig, &ik, AUTH_PREFIX, now)?;
+    let app_user = parse_duo_values(&ak, app_sig, &ik, APP_PREFIX, now)?;
+
+    if !crypto::ct_eq(&auth_user, app_user) || !crypto::ct_eq(&auth_user, email) {
+        err!("Error validating duo authentication")
+    }
+
+    Ok(())
+}
+
+fn parse_duo_values(key: &str, val: &str, ikey: &str, prefix: &str, time: i64) -> ApiResult<String> {
+    let split: Vec<&str> = val.split('|').collect();
+    if split.len() != 3 {
+        err!("Invalid value length")
+    }
+
+    let u_prefix = split[0];
+    let u_b64 = split[1];
+    let u_sig = split[2];
+
+    let sig = crypto::hmac_sign(key, &format!("{}|{}", u_prefix, u_b64));
+
+    if !crypto::ct_eq(crypto::hmac_sign(key, &sig), crypto::hmac_sign(key, u_sig)) {
+        err!("Duo signatures don't match")
+    }
+
+    if u_prefix != prefix {
+        err!("Prefixes don't match")
+    }
+
+    let cookie_vec = match BASE64.decode(u_b64.as_bytes()) {
+        Ok(c) => c,
+        Err(_) => err!("Invalid Duo cookie encoding"),
+    };
+
+    let cookie = match String::from_utf8(cookie_vec) {
+        Ok(c) => c,
+        Err(_) => err!("Invalid Duo cookie encoding"),
+    };
+
+    let cookie_split: Vec<&str> = cookie.split('|').collect();
+    if cookie_split.len() != 3 {
+        err!("Invalid cookie length")
+    }
+
+    let username = cookie_split[0];
+    let u_ikey = cookie_split[1];
+    let expire = cookie_split[2];
+
+    if !crypto::ct_eq(ikey, u_ikey) {
+        err!("Invalid ikey")
+    }
+
+    let expire = match expire.parse() {
+        Ok(e) => e,
+        Err(_) => err!("Invalid expire time"),
+    };
+
+    if time >= expire {
+        err!("Expired authorization")
+    }
+
+    Ok(username.into())
+}

src/api/icons.rs

@@ -8,7 +8,7 @@ use rocket::Route;
 
 use reqwest::{header::HeaderMap, Client, Response};
 
-use rocket::http::{Cookie};
+use rocket::http::Cookie;
 
 use regex::Regex;
 use soup::prelude::*;
@@ -22,6 +22,8 @@ pub fn routes() -> Vec<Route> {
 
 const FALLBACK_ICON: &[u8; 344] = include_bytes!("../static/fallback-icon.png");
 
+const ALLOWED_CHARS: &str = "_-.";
+
 lazy_static! {
     // Reuse the client between requests
     static ref CLIENT: Client = Client::builder()
@@ -32,15 +34,42 @@ lazy_static! {
         .unwrap();
 }
 
+fn is_valid_domain(domain: &str) -> bool {
+    // Don't allow empty or too big domains or path traversal
+    if domain.is_empty() || domain.len() > 255 || domain.contains("..") {
+        return false;
+    }
+
+    // Only alphanumeric or specific characters
+    for c in domain.chars() {
+        if !c.is_alphanumeric() && !ALLOWED_CHARS.contains(c) {
+            return false;
+        }
+    }
+
+    true
+}
+
 #[get("/<domain>/icon.png")]
 fn icon(domain: String) -> Content<Vec<u8>> {
     let icon_type = ContentType::new("image", "x-icon");
 
-    // Validate the domain to avoid directory traversal attacks
+    if !is_valid_domain(&domain) {
-    if domain.contains('/') || domain.contains("..") {
+        warn!("Invalid domain: {:#?}", domain);
         return Content(icon_type, FALLBACK_ICON.to_vec());
     }
 
+    if let Some(blacklist) = CONFIG.icon_blacklist_regex() {
+        info!("Icon blacklist enabled: {:#?}", blacklist);
+
+        let regex = Regex::new(&blacklist).expect("Valid Regex");
+
+        if regex.is_match(&domain) {
+            warn!("Blacklisted domain: {:#?}", domain);
+            return Content(icon_type, FALLBACK_ICON.to_vec());
+        }
+    }
+
     let icon = get_icon(&domain);
 
     Content(icon_type, icon)
@@ -132,11 +161,17 @@ fn icon_is_expired(path: &str) -> bool {
 }
 
 #[derive(Debug)]
-struct IconList {
+struct Icon {
     priority: u8,
     href: String,
 }
 
+impl Icon {
+    fn new(priority: u8, href: String) -> Self {
+        Self { href, priority }
+    }
+}
+
 /// Returns a Result/Tuple which holds a Vector IconList and a string which holds the cookies from the last response.
 /// There will always be a result with a string which will contain https://example.com/favicon.ico and an empty string for the cookies.
 /// This does not mean that that location does exists, but it is the default location browser use.
@@ -149,13 +184,13 @@ struct IconList {
 /// let (mut iconlist, cookie_str) = get_icon_url("github.com")?;
 /// let (mut iconlist, cookie_str) = get_icon_url("gitlab.com")?;
 /// ```
-fn get_icon_url(domain: &str) -> Result<(Vec<IconList>, String), Error> {
+fn get_icon_url(domain: &str) -> Result<(Vec<Icon>, String), Error> {
     // Default URL with secure and insecure schemes
     let ssldomain = format!("https://{}", domain);
     let httpdomain = format!("http://{}", domain);
 
     // Create the iconlist
-    let mut iconlist: Vec<IconList> = Vec::new();
+    let mut iconlist: Vec<Icon> = Vec::new();
 
     // Create the cookie_str to fill it all the cookies from the response
     // These cookies can be used to request/download the favicon image.
@@ -167,13 +202,16 @@ fn get_icon_url(domain: &str) -> Result<(Vec<IconList>, String), Error> {
         // Extract the URL from the respose in case redirects occured (like @ gitlab.com)
         let url = content.url().clone();
         let raw_cookies = content.headers().get_all("set-cookie");
-        cookie_str = raw_cookies.iter().map(|raw_cookie| {
+        cookie_str = raw_cookies
+            .iter()
+            .map(|raw_cookie| {
                 let cookie = Cookie::parse(raw_cookie.to_str().unwrap_or_default()).unwrap();
                 format!("{}={}; ", cookie.name(), cookie.value())
-        }).collect::<String>();
+            })
+            .collect::<String>();
 
         // Add the default favicon.ico to the list with the domain the content responded from.
-        iconlist.push(IconList { priority: 35, href: url.join("/favicon.ico").unwrap().into_string() });
+        iconlist.push(Icon::new(35, url.join("/favicon.ico").unwrap().into_string()));
 
         let soup = Soup::from_reader(content)?;
         // Search for and filter
@@ -185,15 +223,17 @@ fn get_icon_url(domain: &str) -> Result<(Vec<IconList>, String), Error> {
 
         // Loop through all the found icons and determine it's priority
         for favicon in favicons {
-            let sizes = favicon.get("sizes").unwrap_or_default();
+            let sizes = favicon.get("sizes");
-            let href = url.join(&favicon.get("href").unwrap_or_default()).unwrap().into_string();
+            let href = favicon.get("href").expect("Missing href");
-            let priority = get_icon_priority(&href, &sizes);
+            let full_href = url.join(&href).unwrap().into_string();
 
-            iconlist.push(IconList { priority, href })
+            let priority = get_icon_priority(&full_href, sizes);
+
+            iconlist.push(Icon::new(priority, full_href))
         }
     } else {
         // Add the default favicon.ico to the list with just the given domain
-        iconlist.push(IconList { priority: 35, href: format!("{}/favicon.ico", ssldomain) });
+        iconlist.push(Icon::new(35, format!("{}/favicon.ico", ssldomain)));
     }
 
     // Sort the iconlist by priority
@@ -204,12 +244,16 @@ fn get_icon_url(domain: &str) -> Result<(Vec<IconList>, String), Error> {
 }
 
 fn get_page(url: &str) -> Result<Response, Error> {
-    //CLIENT.get(url).send()?.error_for_status().map_err(Into::into)
     get_page_with_cookies(url, "")
 }
 
 fn get_page_with_cookies(url: &str, cookie_str: &str) -> Result<Response, Error> {
-    CLIENT.get(url).header("cookie", cookie_str).send()?.error_for_status().map_err(Into::into)
+    CLIENT
+        .get(url)
+        .header("cookie", cookie_str)
+        .send()?
+        .error_for_status()
+        .map_err(Into::into)
 }
 
 /// Returns a Integer with the priority of the type of the icon which to prefer.
@@ -224,7 +268,7 @@ fn get_page_with_cookies(url: &str, cookie_str: &str) -> Result<Response, Error>
 /// priority1 = get_icon_priority("http://example.com/path/to/a/favicon.png", "32x32");
 /// priority2 = get_icon_priority("https://example.com/path/to/a/favicon.ico", "");
 /// ```
-fn get_icon_priority(href: &str, sizes: &str) -> u8 {
+fn get_icon_priority(href: &str, sizes: Option<String>) -> u8 {
     // Check if there is a dimension set
     let (width, height) = parse_sizes(sizes);
 
@@ -272,19 +316,19 @@ fn get_icon_priority(href: &str, sizes: &str) -> u8 {
 /// let (width, height) = parse_sizes("x128x128"); // (128, 128)
 /// let (width, height) = parse_sizes("32"); // (0, 0)
 /// ```
-fn parse_sizes(sizes: &str) -> (u16, u16) {
+fn parse_sizes(sizes: Option<String>) -> (u16, u16) {
     let mut width: u16 = 0;
     let mut height: u16 = 0;
 
-    if !sizes.is_empty() {
+    if let Some(sizes) = sizes {
         match Regex::new(r"(?x)(\d+)\D*(\d+)").unwrap().captures(sizes.trim()) {
-            None => {},
+            None => {}
             Some(dimensions) => {
                 if dimensions.len() >= 3 {
                     width = dimensions[1].parse::<u16>().unwrap_or_default();
                     height = dimensions[2].parse::<u16>().unwrap_or_default();
                 }
-            },
+            }
         }
     }
 
@@ -292,21 +336,18 @@ fn parse_sizes(sizes: &str) -> (u16, u16) {
 }
 
 fn download_icon(domain: &str) -> Result<Vec<u8>, Error> {
-    let (mut iconlist, cookie_str) = get_icon_url(&domain)?;
+    let (iconlist, cookie_str) = get_icon_url(&domain)?;
 
     let mut buffer = Vec::new();
 
-    iconlist.truncate(5);
+    for icon in iconlist.iter().take(5) {
-    for icon in iconlist {
+        match get_page_with_cookies(&icon.href, &cookie_str) {
-        let url = icon.href;
-        info!("Downloading icon for {} via {}...", domain, url);
-        match get_page_with_cookies(&url, &cookie_str) {
             Ok(mut res) => {
-                info!("Download finished for {}", url);
+                info!("Downloaded icon from {}", icon.href);
                 res.copy_to(&mut buffer)?;
                 break;
-            },
+            }
-            Err(_) => info!("Download failed for {}", url),
+            Err(_) => info!("Download failed for {}", icon.href),
         };
     }
 

src/api/identity.rs

@@ -9,7 +9,7 @@ use num_traits::FromPrimitive;
 use crate::db::models::*;
 use crate::db::DbConn;
 
-use crate::util::{self, JsonMap};
+use crate::util;
 
 use crate::api::{ApiResult, EmptyResult, JsonResult};
 
@@ -152,63 +152,46 @@ fn twofactor_auth(
     conn: &DbConn,
 ) -> ApiResult<Option<String>> {
     let twofactors = TwoFactor::find_by_user(user_uuid, conn);
-    let providers: Vec<_> = twofactors.iter().map(|tf| tf.type_).collect();
 
     // No twofactor token if twofactor is disabled
     if twofactors.is_empty() {
         return Ok(None);
     }
 
-    let provider = data.two_factor_provider.unwrap_or(providers[0]); // If we aren't given a two factor provider, asume the first one
+    let twofactor_ids: Vec<_> = twofactors.iter().map(|tf| tf.type_).collect();
+    let selected_id = data.two_factor_provider.unwrap_or(twofactor_ids[0]); // If we aren't given a two factor provider, asume the first one
 
     let twofactor_code = match data.two_factor_token {
         Some(ref code) => code,
-        None => err_json!(_json_err_twofactor(&providers, user_uuid, conn)?),
+        None => err_json!(_json_err_twofactor(&twofactor_ids, user_uuid, conn)?),
     };
 
-    let twofactor = twofactors.iter().filter(|tf| tf.type_ == provider).nth(0);
+    let selected_twofactor = twofactors.into_iter().filter(|tf| tf.type_ == selected_id).nth(0);
 
-    match TwoFactorType::from_i32(provider) {
+    use crate::api::core::two_factor as _tf;
-        Some(TwoFactorType::Remember) => {
     use crate::crypto::ct_eq;
+
+    let selected_data = _selected_data(selected_twofactor);
+    let mut remember = data.two_factor_remember.unwrap_or(0);
+
+    match TwoFactorType::from_i32(selected_id) {
+        Some(TwoFactorType::Authenticator) => _tf::validate_totp_code_str(twofactor_code, &selected_data?)?,
+        Some(TwoFactorType::U2f) => _tf::validate_u2f_login(user_uuid, twofactor_code, conn)?,
+        Some(TwoFactorType::YubiKey) => _tf::validate_yubikey_login(twofactor_code, &selected_data?)?,
+        Some(TwoFactorType::Duo) => _tf::validate_duo_login(data.username.as_ref().unwrap(), twofactor_code, conn)?,
+
+        Some(TwoFactorType::Remember) => {
             match device.twofactor_remember {
-                Some(ref remember) if ct_eq(remember, twofactor_code) => return Ok(None), // No twofactor token needed here
+                Some(ref code) if !CONFIG.disable_2fa_remember() && ct_eq(code, twofactor_code) => {
-                _ => err_json!(_json_err_twofactor(&providers, user_uuid, conn)?),
+                    remember = 1; // Make sure we also return the token here, otherwise it will only remember the first time
+                }
+                _ => err_json!(_json_err_twofactor(&twofactor_ids, user_uuid, conn)?),
             }
         }
-
-        Some(TwoFactorType::Authenticator) => {
-            let twofactor = match twofactor {
-                Some(tf) => tf,
-                None => err!("TOTP not enabled"),
-            };
-
-            let totp_code: u64 = match twofactor_code.parse() {
-                Ok(code) => code,
-                _ => err!("Invalid TOTP code"),
-            };
-
-            if !twofactor.check_totp_code(totp_code) {
-                err_json!(_json_err_twofactor(&providers, user_uuid, conn)?)
-            }
-        }
-
-        Some(TwoFactorType::U2f) => {
-            use crate::api::core::two_factor;
-
-            two_factor::validate_u2f_login(user_uuid, &twofactor_code, conn)?;
-        }
-
-        Some(TwoFactorType::YubiKey) => {
-            use crate::api::core::two_factor;
-
-            two_factor::validate_yubikey_login(user_uuid, twofactor_code, conn)?;
-        }
-
         _ => err!("Invalid two factor provider"),
     }
 
-    if data.two_factor_remember.unwrap_or(0) == 1 {
+    if !CONFIG.disable_2fa_remember() && remember == 1 {
         Ok(Some(device.refresh_twofactor_remember()))
     } else {
         device.delete_twofactor_remember();
@@ -216,6 +199,13 @@ fn twofactor_auth(
     }
 }
 
+fn _selected_data(tf: Option<TwoFactor>) -> ApiResult<String> {
+    match tf {
+        Some(tf) => Ok(tf.data),
+        None => err!("Two factor doesn't exist"),
+    }
+}
+
 fn _json_err_twofactor(providers: &[i32], user_uuid: &str, conn: &DbConn) -> ApiResult<Value> {
     use crate::api::core::two_factor;
 
@@ -237,22 +227,33 @@ fn _json_err_twofactor(providers: &[i32], user_uuid: &str, conn: &DbConn) -> Api
                 let mut challenge_list = Vec::new();
 
                 for key in request.registered_keys {
-                    let mut challenge_map = JsonMap::new();
+                    challenge_list.push(json!({
-
+                        "appId": request.app_id,
-                    challenge_map.insert("appId".into(), Value::String(request.app_id.clone()));
+                        "challenge": request.challenge,
-                    challenge_map.insert("challenge".into(), Value::String(request.challenge.clone()));
+                        "version": key.version,
-                    challenge_map.insert("version".into(), Value::String(key.version));
+                        "keyHandle": key.key_handle,
-                    challenge_map.insert("keyHandle".into(), Value::String(key.key_handle.unwrap_or_default()));
+                    }));
-
-                    challenge_list.push(Value::Object(challenge_map));
                 }
 
-                let mut map = JsonMap::new();
-                use serde_json;
                 let challenge_list_str = serde_json::to_string(&challenge_list).unwrap();
 
-                map.insert("Challenges".into(), Value::String(challenge_list_str));
+                result["TwoFactorProviders2"][provider.to_string()] = json!({
-                result["TwoFactorProviders2"][provider.to_string()] = Value::Object(map);
+                    "Challenges": challenge_list_str,
+                });
+            }
+
+            Some(TwoFactorType::Duo) => {
+                let email = match User::find_by_uuid(user_uuid, &conn) {
+                    Some(u) => u.email,
+                    None => err!("User does not exist"),
+                };
+
+                let (signature, host) = two_factor::generate_duo_signature(&email, conn)?;
+
+                result["TwoFactorProviders2"][provider.to_string()] = json!({
+                    "Host": host,
+                    "Signature": signature,
+                });
             }
 
             Some(tf_type @ TwoFactorType::YubiKey) => {
@@ -261,12 +262,11 @@ fn _json_err_twofactor(providers: &[i32], user_uuid: &str, conn: &DbConn) -> Api
                     None => err!("No YubiKey devices registered"),
                 };
 
-                let yubikey_metadata: two_factor::YubikeyMetadata =
+                let yubikey_metadata: two_factor::YubikeyMetadata = serde_json::from_str(&twofactor.data)?;
-                    serde_json::from_str(&twofactor.data).expect("Can't parse Yubikey Metadata");
 
-                let mut map = JsonMap::new();
+                result["TwoFactorProviders2"][provider.to_string()] = json!({
-                map.insert("Nfc".into(), Value::Bool(yubikey_metadata.Nfc));
+                    "Nfc": yubikey_metadata.Nfc,
-                result["TwoFactorProviders2"][provider.to_string()] = Value::Object(map);
+                })
             }
 
             _ => {}

src/api/notifications.rs

@@ -230,7 +230,7 @@ pub struct WebSocketUsers {
 }
 
 impl WebSocketUsers {
-    fn send_update(&self, user_uuid: &String, data: &[u8]) -> ws::Result<()> {
+    fn send_update(&self, user_uuid: &str, data: &[u8]) -> ws::Result<()> {
         if let Some(user) = self.map.get(user_uuid) {
             for sender in user.iter() {
                 sender.send(data)?;

src/api/web.rs

@@ -9,11 +9,12 @@ use rocket_contrib::json::Json;
 use serde_json::Value;
 
 use crate::util::Cached;
+use crate::error::Error;
 use crate::CONFIG;
 
 pub fn routes() -> Vec<Route> {
     if CONFIG.web_vault_enabled() {
-        routes![web_index, app_id, web_files, attachments, alive]
+        routes![web_index, app_id, web_files, attachments, alive, images]
     } else {
         routes![attachments, alive]
     }
@@ -62,3 +63,13 @@ fn alive() -> Json<String> {
 
     Json(format_date(&Utc::now().naive_utc()))
 }
+
+#[get("/bwrs_images/<filename>")]
+fn images(filename: String) -> Result<Content<Vec<u8>>, Error> {
+    let image_type = ContentType::new("image", "png");
+    match filename.as_ref() {
+        "mail-github.png" => Ok(Content(image_type , include_bytes!("../static/images/mail-github.png").to_vec())),
+        "logo-gray.png" => Ok(Content(image_type, include_bytes!("../static/images/logo-gray.png").to_vec())),
+        _ => err!("Image not found")
+    }
+}

src/auth.rs

@@ -21,17 +21,11 @@ lazy_static! {
     pub static ref JWT_ADMIN_ISSUER: String = format!("{}|admin", CONFIG.domain());
     static ref PRIVATE_RSA_KEY: Vec<u8> = match read_file(&CONFIG.private_rsa_key()) {
         Ok(key) => key,
-        Err(e) => panic!(
+        Err(e) => panic!("Error loading private RSA Key.\n Error: {}", e),
-            "Error loading private RSA Key from {}\n Error: {}",
-            CONFIG.private_rsa_key(), e
-        ),
     };
     static ref PUBLIC_RSA_KEY: Vec<u8> = match read_file(&CONFIG.public_rsa_key()) {
         Ok(key) => key,
-        Err(e) => panic!(
+        Err(e) => panic!("Error loading public RSA Key.\n Error: {}", e),
-            "Error loading public RSA Key from {}\n Error: {}",
-            CONFIG.public_rsa_key(), e
-        ),
     };
 }
 
@@ -46,7 +40,6 @@ fn decode_jwt<T: DeserializeOwned>(token: &str, issuer: String) -> Result<T, Err
     let validation = jsonwebtoken::Validation {
         leeway: 30, // 30 seconds
         validate_exp: true,
-        validate_iat: false, // IssuedAt is the same as NotBefore
         validate_nbf: true,
         aud: None,
         iss: Some(issuer),

src/config.rs

@@ -9,7 +9,10 @@ lazy_static! {
         println!("Error loading config:\n\t{:?}\n", e);
         exit(12)
     });
-    pub static ref CONFIG_FILE: String = get_env("CONFIG_FILE").unwrap_or_else(|| "data/config.json".into());
+    pub static ref CONFIG_FILE: String = {
+        let data_folder = get_env("DATA_FOLDER").unwrap_or_else(|| String::from("data"));
+        get_env("CONFIG_FILE").unwrap_or_else(|| format!("{}/config.json", data_folder))
+    };
 }
 
 pub type Pass = String;
@@ -61,7 +64,7 @@ macro_rules! make_config {
 
             /// Merges the values of both builders into a new builder.
             /// If both have the same element, `other` wins.
-            fn merge(&self, other: &Self) -> Self {
+            fn merge(&self, other: &Self, show_overrides: bool) -> Self {
                 let mut overrides = Vec::new();
                 let mut builder = self.clone();
                 $($(
@@ -74,7 +77,7 @@ macro_rules! make_config {
                     }
                 )+)+
 
-                if !overrides.is_empty() {
+                if show_overrides && !overrides.is_empty() {
                     // We can't use warn! here because logging isn't setup yet.
                     println!("[WARNING] The following environment variables are being overriden by the config file,");
                     println!("[WARNING] please use the admin panel to make changes to them:");
@@ -224,24 +227,27 @@ make_config! {
 
     /// General settings
     settings {
-        /// Domain URL |> This needs to be set to the URL used to access the server, including 'http[s]://' and port, if it's different than the default. Some server functions don't work correctly without this value
+        /// Domain URL |> This needs to be set to the URL used to access the server, including 'http[s]://'
+        /// and port, if it's different than the default. Some server functions don't work correctly without this value
         domain:                 String, true,   def,    "http://localhost".to_string();
         /// Domain Set |> Indicates if the domain is set by the admin. Otherwise the default will be used.
         domain_set:             bool,   false,  def,    false;
         /// Enable web vault
         web_vault_enabled:      bool,   false,  def,    true;
 
-        /// Disable icon downloads |> Set to true to disable icon downloading, this would still serve icons from $ICON_CACHE_FOLDER,
+        /// Disable icon downloads |> Set to true to disable icon downloading, this would still serve icons from
-        /// but it won't produce any external network request. Needs to set $ICON_CACHE_TTL to 0,
+        /// $ICON_CACHE_FOLDER, but it won't produce any external network request. Needs to set $ICON_CACHE_TTL to 0,
         /// otherwise it will delete them and they won't be downloaded again.
         disable_icon_download:  bool,   true,   def,    false;
         /// Allow new signups |> Controls if new users can register. Note that while this is disabled, users could still be invited
         signups_allowed:        bool,   true,   def,    true;
         /// Allow invitations |> Controls whether users can be invited by organization admins, even when signups are disabled
         invitations_allowed:    bool,   true,   def,    true;
-        /// Password iterations |> Number of server-side passwords hashing iterations. The changes only apply when a user changes their password. Not recommended to lower the value
+        /// Password iterations |> Number of server-side passwords hashing iterations.
+        /// The changes only apply when a user changes their password. Not recommended to lower the value
         password_iterations:    i32,    true,   def,    100_000;
-        /// Show password hints |> Controls if the password hint should be shown directly in the web page. Otherwise, if email is disabled, there is no way to see the password hint
+        /// Show password hints |> Controls if the password hint should be shown directly in the web page.
+        /// Otherwise, if email is disabled, there is no way to see the password hint
         show_password_hint:     bool,   true,   def,    true;
 
         /// Admin page token |> The token used to authenticate in this very same page. Changing it here won't deauthorize the current session
@@ -256,18 +262,31 @@ make_config! {
         icon_cache_negttl:      u64,    true,   def,    259_200;
         /// Icon download timeout |> Number of seconds when to stop attempting to download an icon.
         icon_download_timeout:  u64,    true,   def,    10;
+        /// Icon blacklist Regex |> Any domains or IPs that match this regex won't be fetched by the icon service.
+        /// Useful to hide other servers in the local network. Check the WIKI for more details
+        icon_blacklist_regex:   String, true,   option;
 
-        /// Reload templates (Dev) |> When this is set to true, the templates get reloaded with every request. ONLY use this during development, as it can slow down the server
+        /// Disable Two-Factor remember |> Enabling this would force the users to use a second factor to login every time.
+        /// Note that the checkbox would still be present, but ignored.
+        disable_2fa_remember:   bool,   true,   def,    false;
+
+        /// Reload templates (Dev) |> When this is set to true, the templates get reloaded with every request.
+        /// ONLY use this during development, as it can slow down the server
         reload_templates:       bool,   true,   def,    false;
 
         /// Log routes at launch (Dev)
         log_mounts:             bool,   true,   def,    false;
         /// Enable extended logging
         extended_logging:       bool,   false,  def,    true;
+        /// Enable the log to output to Syslog
+        use_syslog:             bool,   false,  def,    false;
         /// Log file path
         log_file:               String, false,  option;
+        /// Log level
+        log_level:              String, false,  def,    "Info".to_string();
 
-        /// Enable DB WAL |> Turning this off might lead to worse performance, but might help if using bitwarden_rs on some exotic filesystems, that do not support WAL. Please make sure you read project wiki on the topic before changing this setting.
+        /// Enable DB WAL |> Turning this off might lead to worse performance, but might help if using bitwarden_rs on some exotic filesystems,
+        /// that do not support WAL. Please make sure you read project wiki on the topic before changing this setting.
         enable_db_wal:          bool,   false,  def,    true;
 
         /// Disable Admin Token (Know the risks!) |> Disables the Admin Token for the admin page so you may use your own auth in-front
@@ -286,6 +305,20 @@ make_config! {
         yubico_server:          String, true,   option;
     },
 
+    /// Global Duo settings (Note that users can override them)
+    duo: _enable_duo {
+        /// Enabled
+        _enable_duo:            bool,   true,   def,     false;
+        /// Integration Key
+        duo_ikey:               String, true,   option;
+        /// Secret Key
+        duo_skey:               Pass,   true,   option;
+        /// Host
+        duo_host:               String, true,   option;
+        /// Application Key (generated automatically)
+        _duo_akey:              Pass,   false,  option;
+    },
+
     /// SMTP Email Settings
     smtp: _enable_smtp {
         /// Enabled
@@ -294,8 +327,10 @@ make_config! {
         smtp_host:              String, true,   option;
         /// Enable SSL
         smtp_ssl:               bool,   true,   def,     true;
+        /// Use explicit TLS |> Enabling this would force the use of an explicit TLS connection, instead of upgrading an insecure one with STARTTLS
+        smtp_explicit_tls:      bool,   true,   def,     false;
         /// Port
-        smtp_port:              u16,    true,   auto,    |c| if c.smtp_ssl {587} else {25};
+        smtp_port:              u16,    true,   auto,    |c| if c.smtp_explicit_tls {465} else if c.smtp_ssl {587} else {25};
         /// From Address
         smtp_from:              String, true,   def,     String::new();
         /// From Name
@@ -308,6 +343,18 @@ make_config! {
 }
 
 fn validate_config(cfg: &ConfigItems) -> Result<(), Error> {
+    if let Some(ref token) = cfg.admin_token {
+        if token.trim().is_empty() {
+            err!("`ADMIN_TOKEN` is enabled but has an empty value. To enable the admin page without token, use `DISABLE_ADMIN_TOKEN`")
+        }
+    }
+
+    if (cfg.duo_host.is_some() || cfg.duo_ikey.is_some() || cfg.duo_skey.is_some())
+        && !(cfg.duo_host.is_some() && cfg.duo_ikey.is_some() && cfg.duo_skey.is_some())
+    {
+        err!("All Duo options need to be set for global Duo support")
+    }
+
     if cfg.yubico_client_id.is_some() != cfg.yubico_secret_key.is_some() {
         err!("Both `YUBICO_CLIENT_ID` and `YUBICO_SECRET_KEY` need to be set for Yubikey OTP support")
     }
@@ -330,7 +377,7 @@ impl Config {
         let _usr = ConfigBuilder::from_file(&CONFIG_FILE).unwrap_or_default();
 
         // Create merged config, config file overwrites env
-        let builder = _env.merge(&_usr);
+        let builder = _env.merge(&_usr, true);
 
         // Fill any missing with defaults
         let config = builder.build();
@@ -359,7 +406,7 @@ impl Config {
         // Prepare the combined config
         let config = {
             let env = &self.inner.read().unwrap()._env;
-            env.merge(&builder).build()
+            env.merge(&builder, false).build()
         };
         validate_config(&config)?;
 
@@ -378,6 +425,14 @@ impl Config {
         Ok(())
     }
 
+    pub fn update_config_partial(&self, other: ConfigBuilder) -> Result<(), Error> {
+        let builder = {
+            let usr = &self.inner.read().unwrap()._usr;
+            usr.merge(&other, false)
+        };
+        self.update_config(builder)
+    }
+
     pub fn delete_user_config(&self) -> Result<(), Error> {
         crate::util::delete_file(&CONFIG_FILE)?;
 
@@ -413,9 +468,21 @@ impl Config {
         let inner = &self.inner.read().unwrap().config;
         inner._enable_smtp && inner.smtp_host.is_some()
     }
-    pub fn yubico_enabled(&self) -> bool {
+
-        let inner = &self.inner.read().unwrap().config;
+    pub fn get_duo_akey(&self) -> String {
-        inner._enable_yubico && inner.yubico_client_id.is_some() && inner.yubico_secret_key.is_some()
+        if let Some(akey) = self._duo_akey() {
+            akey
+        } else {
+            let akey = crate::crypto::get_random_64();
+            let akey_s = data_encoding::BASE64.encode(&akey);
+
+            // Save the new value
+            let mut builder = ConfigBuilder::default();
+            builder._duo_akey = Some(akey_s.clone());
+            self.update_config_partial(builder).ok();
+
+            akey_s
+        }
     }
 
     pub fn render_template<T: serde::ser::Serialize>(

src/crypto.rs

@@ -2,7 +2,8 @@
 // PBKDF2 derivation
 //
 
-use ring::{digest, pbkdf2};
+use ring::{digest, hmac, pbkdf2};
+use std::num::NonZeroU32;
 
 static DIGEST_ALG: &digest::Algorithm = &digest::SHA256;
 const OUTPUT_LEN: usize = digest::SHA256_OUTPUT_LEN;
@@ -10,15 +11,29 @@ const OUTPUT_LEN: usize = digest::SHA256_OUTPUT_LEN;
 pub fn hash_password(secret: &[u8], salt: &[u8], iterations: u32) -> Vec<u8> {
     let mut out = vec![0u8; OUTPUT_LEN]; // Initialize array with zeros
 
+    let iterations = NonZeroU32::new(iterations).expect("Iterations can't be zero");
     pbkdf2::derive(DIGEST_ALG, iterations, salt, secret, &mut out);
 
     out
 }
 
 pub fn verify_password_hash(secret: &[u8], salt: &[u8], previous: &[u8], iterations: u32) -> bool {
+    let iterations = NonZeroU32::new(iterations).expect("Iterations can't be zero");
     pbkdf2::verify(DIGEST_ALG, iterations, salt, secret, previous).is_ok()
 }
 
+//
+// HMAC
+//
+pub fn hmac_sign(key: &str, data: &str) -> String {
+    use data_encoding::HEXLOWER;
+
+    let key = hmac::SigningKey::new(&digest::SHA1, key.as_bytes());
+    let signature = hmac::sign(&key, data.as_bytes());
+
+    HEXLOWER.encode(signature.as_ref())
+}
+
 //
 // Random values
 //

src/db/models/cipher.rs

@@ -72,9 +72,7 @@ use crate::error::MapResult;
 /// Database methods
 impl Cipher {
     pub fn to_json(&self, host: &str, user_uuid: &str, conn: &DbConn) -> Value {
-        use super::Attachment;
         use crate::util::format_date;
-        use serde_json;
 
         let attachments = Attachment::find_by_cipher(&self.uuid, conn);
         let attachments_json: Vec<Value> = attachments.iter().map(|c| c.to_json(host)).collect();

src/db/models/two_factor.rs

@@ -42,21 +42,6 @@ impl TwoFactor {
         }
     }
 
-    pub fn check_totp_code(&self, totp_code: u64) -> bool {
-        let totp_secret = self.data.as_bytes();
-
-        use data_encoding::BASE32;
-        use oath::{totp_raw_now, HashType};
-
-        let decoded_secret = match BASE32.decode(totp_secret) {
-            Ok(s) => s,
-            Err(_) => return false,
-        };
-
-        let generated = totp_raw_now(&decoded_secret, 6, 0, 30, &HashType::SHA1);
-        generated == totp_code
-    }
-
     pub fn to_json(&self) -> Value {
         json!({
             "Enabled": self.enabled,

src/db/models/user.rs

@@ -37,6 +37,12 @@ pub struct User {
     pub client_kdf_iter: i32,
 }
 
+enum UserStatus {
+    Enabled = 0,
+    Invited = 1,
+    _Disabled = 2,
+}
+
 /// Local methods
 impl User {
     pub const CLIENT_KDF_TYPE_DEFAULT: i32 = 0; // PBKDF2: 0
@@ -113,14 +119,19 @@ use crate::error::MapResult;
 /// Database methods
 impl User {
     pub fn to_json(&self, conn: &DbConn) -> Value {
-        use super::{TwoFactor, UserOrganization};
-
         let orgs = UserOrganization::find_by_user(&self.uuid, conn);
         let orgs_json: Vec<Value> = orgs.iter().map(|c| c.to_json(&conn)).collect();
         let twofactor_enabled = !TwoFactor::find_by_user(&self.uuid, conn).is_empty();
 
+        // TODO: Might want to save the status field in the DB
+        let status = if self.password_hash.is_empty() {
+            UserStatus::Invited
+        } else {
+            UserStatus::Enabled
+        };
+
         json!({
-            "_Enabled": !self.password_hash.is_empty(),
+            "_Status": status as i32,
             "Id": self.uuid,
             "Name": self.name,
             "Email": self.email,
@@ -178,6 +189,20 @@ impl User {
         }
     }
 
+    pub fn update_all_revisions(conn: &DbConn) -> EmptyResult {
+        let updated_at = Utc::now().naive_utc();
+
+        crate::util::retry(
+            || {
+                diesel::update(users::table)
+                    .set(users::updated_at.eq(updated_at))
+                    .execute(&**conn)
+            },
+            10,
+        )
+        .map_res("Error updating revision date for all users")
+    }
+
     pub fn update_revision(&mut self, conn: &DbConn) -> EmptyResult {
         self.updated_at = Utc::now().naive_utc();
 

src/error.rs

@@ -5,16 +5,18 @@ use std::error::Error as StdError;
 
 macro_rules! make_error {
     ( $( $name:ident ( $ty:ty ): $src_fn:expr, $usr_msg_fun:expr ),+ $(,)? ) => {
+        const BAD_REQUEST: u16 = 400;
+
         #[derive(Display)]
         pub enum ErrorKind { $($name( $ty )),+ }
-        pub struct Error { message: String, error: ErrorKind }
+        pub struct Error { message: String, error: ErrorKind, error_code: u16 }
 
         $(impl From<$ty> for Error {
             fn from(err: $ty) -> Self { Error::from((stringify!($name), err)) }
         })+
         $(impl<S: Into<String>> From<(S, $ty)> for Error {
             fn from(val: (S, $ty)) -> Self {
-                Error { message: val.0.into(), error: ErrorKind::$name(val.1) }
+                Error { message: val.0.into(), error: ErrorKind::$name(val.1), error_code: BAD_REQUEST }
             }
         })+
         impl StdError for Error {
@@ -39,16 +41,23 @@ use regex::Error as RegexErr;
 use reqwest::Error as ReqErr;
 use serde_json::{Error as SerdeErr, Value};
 use std::io::Error as IOErr;
+
+use std::option::NoneError as NoneErr;
 use std::time::SystemTimeError as TimeErr;
 use u2f::u2ferror::U2fError as U2fErr;
 use yubico::yubicoerror::YubicoError as YubiErr;
 
+#[derive(Display, Serialize)]
+pub struct Empty {}
+
 // Error struct
 // Contains a String error message, meant for the user and an enum variant, with an error of different types.
 //
 // After the variant itself, there are two expressions. The first one indicates whether the error contains a source error (that we pretty print).
 // The second one contains the function used to obtain the response sent to the client
 make_error! {
+    // Just an empty error
+    EmptyError(Empty):     _no_source, _serialize,
     // Used to represent err! calls
     SimpleError(String):  _no_source,  _api_error,
     // Used for special return values, like 2FA errors
@@ -66,6 +75,13 @@ make_error! {
     YubiError(YubiErr):   _has_source, _api_error,
 }
 
+// This is implemented by hand because NoneError doesn't implement neither Display nor Error
+impl From<NoneErr> for Error {
+    fn from(_: NoneErr) -> Self {
+        Error::from(("NoneError", String::new()))
+    }
+}
+
 impl std::fmt::Debug for Error {
     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
         match self.source() {
@@ -80,10 +96,19 @@ impl Error {
         (usr_msg, log_msg.into()).into()
     }
 
+    pub fn empty() -> Self {
+        Empty {}.into()
+    }
+
     pub fn with_msg<M: Into<String>>(mut self, msg: M) -> Self {
         self.message = msg.into();
         self
     }
+
+    pub fn with_code(mut self, code: u16) -> Self {
+        self.error_code = code;
+        self
+    }
 }
 
 pub trait MapResult<S> {
@@ -102,6 +127,12 @@ impl<E: Into<Error>> MapResult<()> for Result<usize, E> {
     }
 }
 
+impl<S> MapResult<S> for Option<S> {
+    fn map_res(self, msg: &str) -> Result<S, Error> {
+        self.ok_or_else(|| Error::new(msg, ""))
+    }
+}
+
 fn _has_source<T>(e: T) -> Option<T> {
     Some(e)
 }
@@ -142,8 +173,10 @@ impl<'r> Responder<'r> for Error {
         let usr_msg = format!("{}", self);
         error!("{:#?}", self);
 
+        let code = Status::from_code(self.error_code).unwrap_or(Status::BadRequest);
+
         Response::build()
-            .status(Status::BadRequest)
+            .status(code)
             .header(ContentType::JSON)
             .sized_body(Cursor::new(usr_msg))
             .ok()

src/mail.rs

@@ -1,8 +1,9 @@
 use lettre::smtp::authentication::Credentials;
 use lettre::smtp::ConnectionReuseParameters;
 use lettre::{ClientSecurity, ClientTlsParameters, SmtpClient, SmtpTransport, Transport};
-use lettre_email::EmailBuilder;
+use lettre_email::{EmailBuilder, MimeMultipartType, PartBuilder};
 use native_tls::{Protocol, TlsConnector};
+use quoted_printable::encode_to_str;
 
 use crate::api::EmptyResult;
 use crate::auth::{encode_jwt, generate_invite_claims};
@@ -18,7 +19,13 @@ fn mailer() -> SmtpTransport {
             .build()
             .unwrap();
 
-        ClientSecurity::Required(ClientTlsParameters::new(host.clone(), tls))
+        let params = ClientTlsParameters::new(host.clone(), tls);
+
+        if CONFIG.smtp_explicit_tls() {
+            ClientSecurity::Wrapper(params)
+        } else {
+            ClientSecurity::Required(params)
+        }
     } else {
         ClientSecurity::None
     };
@@ -129,16 +136,39 @@ pub fn send_invite_confirmed(address: &str, org_name: &str) -> EmptyResult {
 }
 
 fn send_email(address: &str, subject: &str, body_html: &str, body_text: &str) -> EmptyResult {
+    let html = PartBuilder::new()
+        .body(encode_to_str(body_html))
+        .header(("Content-Type", "text/html; charset=utf-8"))
+        .header(("Content-Transfer-Encoding", "quoted-printable"))
+        .build();
+
+    let text = PartBuilder::new()
+        .body(encode_to_str(body_text))
+        .header(("Content-Type", "text/plain; charset=utf-8"))
+        .header(("Content-Transfer-Encoding", "quoted-printable"))
+        .build();
+
+    let alternative = PartBuilder::new()
+        .message_type(MimeMultipartType::Alternative)
+        .child(text)
+        .child(html);
+
     let email = EmailBuilder::new()
         .to(address)
         .from((CONFIG.smtp_from().as_str(), CONFIG.smtp_from_name().as_str()))
         .subject(subject)
-        .alternative(body_html, body_text)
+        .child(alternative.build())
         .build()
         .map_err(|e| Error::new("Error building email", e.to_string()))?;
 
-    mailer()
+    let mut transport = mailer();
+
+    let result = transport
         .send(email.into())
         .map_err(|e| Error::new("Error sending email", e.to_string()))
-        .and(Ok(()))
+        .and(Ok(()));
+
+    // Explicitly close the connection, in case of error
+    transport.close();
+    result
 }

src/main.rs

@@ -69,6 +69,7 @@ fn launch_info() {
 }
 
 fn init_logging() -> Result<(), fern::InitError> {
+    use std::str::FromStr;
     let mut logger = fern::Dispatch::new()
         .format(|out, message, record| {
             out.finish(format_args!(
@@ -79,31 +80,30 @@ fn init_logging() -> Result<(), fern::InitError> {
                 message
             ))
         })
-        .level(log::LevelFilter::Debug)
+        .level(log::LevelFilter::from_str(&CONFIG.log_level()).expect("Valid log level"))
-        .level_for("hyper", log::LevelFilter::Warn)
+        // Hide unknown certificate errors if using self-signed
-        .level_for("rustls", log::LevelFilter::Warn)
+        .level_for("rustls::session", log::LevelFilter::Off)
-        .level_for("handlebars", log::LevelFilter::Warn)
+        // Hide failed to close stream messages
-        .level_for("ws", log::LevelFilter::Info)
+        .level_for("hyper::server", log::LevelFilter::Warn)
-        .level_for("multipart", log::LevelFilter::Info)
-        .level_for("html5ever", log::LevelFilter::Info)
         .chain(std::io::stdout());
 
     if let Some(log_file) = CONFIG.log_file() {
         logger = logger.chain(fern::log_file(log_file)?);
     }
 
+    #[cfg(not(windows))]
+    {
+        if cfg!(feature = "enable_syslog") || CONFIG.use_syslog() {
             logger = chain_syslog(logger);
+        }
+    }
+
     logger.apply()?;
 
     Ok(())
 }
 
-#[cfg(not(feature = "enable_syslog"))]
+#[cfg(not(windows))]
-fn chain_syslog(logger: fern::Dispatch) -> fern::Dispatch {
-    logger
-}
-
-#[cfg(feature = "enable_syslog")]
 fn chain_syslog(logger: fern::Dispatch) -> fern::Dispatch {
     let syslog_fmt = syslog::Formatter3164 {
         facility: syslog::Facility::LOG_USER,

src/static/templates/admin/base.hbs

@@ -6,16 +6,16 @@
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <title>Bitwarden_rs Admin Panel</title>
 
-    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.2.1/css/bootstrap.min.css"
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.3.1/css/bootstrap.min.css"
-        integrity="sha256-azvvU9xKluwHFJ0Cpgtf0CYzK7zgtOznnzxV4924X1w=" crossorigin="anonymous" />
+        integrity="sha256-YLGeXaapI0/5IgZopewRJcFXomhRMlYYjugPLSyNjTY=" crossorigin="anonymous" />
     <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"
         integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/blueimp-md5/2.10.0/js/md5.js"
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/blueimp-md5/2.10.0/js/md5.min.js"
-        integrity="sha256-tCQ/BldMlN2vWe5gAiNoNb5svoOgVUhlUgv7UjONKKQ=" crossorigin="anonymous"></script>
+        integrity="sha256-J9IhvkIJb0diRVJOyu+Ndtg41RibFkF8eaA60jdjtB8=" crossorigin="anonymous"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/identicon.js/2.3.3/identicon.min.js"
         integrity="sha256-nYoL3nK/HA1e1pJvLwNPnpKuKG9q89VFX862r5aohmA=" crossorigin="anonymous"></script>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.2.1/js/bootstrap.bundle.min.js"
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.3.1/js/bootstrap.bundle.min.js"
-        integrity="sha256-MSYVjWgrr6UL/9eQfQvOyt6/gsxb6dpwI1zqM5DbLCs=" crossorigin="anonymous"></script>
+        integrity="sha256-fzFFyH01cBVPYzl16KT40wqjhgPtq6FFUB6ckN2+GGw=" crossorigin="anonymous"></script>
     <style>
         body {
             padding-top: 70px;

src/static/templates/admin/page.hbs

@@ -13,9 +13,9 @@
                             {{#if TwoFactorEnabled}}
                             <span class="badge badge-success ml-2">2FA</span>
                             {{/if}}
-                            {{#unless _Enabled}}
+                            {{#case _Status 1}}
-                            <span class="badge badge-warning ml-2">Disabled</span>
+                            <span class="badge badge-warning ml-2">Invited</span>
-                            {{/unless}}
+                            {{/case}}
                             <span class="d-block">{{Email}}</span>
                         </div>
                         <div class="col">
@@ -37,9 +37,14 @@
 
         </div>
 
-        <small class="d-block text-right mt-3">
+        <div class="mt-3">
-            <a id="reload-btn" href="">Reload users</a>
+            <button type="button" class="btn btn-sm btn-link" onclick="updateRevisions();"
-        </small>
+                title="Force all clients to fetch new data next time they connect. Useful after restoring a backup to remove any stale data.">
+                Force clients to resync
+            </button>
+
+            <button type="button" class="btn btn-sm btn-primary float-right" onclick="reload();">Reload users</button>
+        </div>
     </div>
 
     <div id="invite-form-block" class="align-items-center p-3 mb-3 text-white-50 bg-secondary rounded shadow">
@@ -57,6 +62,11 @@
     <div id="config-block" class="align-items-center p-3 mb-3 bg-secondary rounded shadow">
         <div>
             <h6 class="text-white mb-3">Configuration</h6>
+            <div class="small text-white mb-3">
+                NOTE: The settings here override the environment variables. Once saved, it's recommended to stop setting
+                them to avoid confusion. This does not apply to the read-only section, which can only be set through the
+                environment.
+            </div>
             <form class="form accordion" id="config-form">
                 {{#each config}}
                 {{#if groupdoc}}
@@ -105,11 +115,11 @@
                     <div class="card-header"><button type="button" class="btn btn-link collapsed" data-toggle="collapse"
                             data-target="#g_readonly">Read-Only Config</button></div>
                     <div id="g_readonly" class="card-body collapse" data-parent="#config-form">
-                        <p>
+                        <div class="small mb-3">
                             NOTE: These options can't be modified in the editor because they would require the server
                             to be restarted. To modify them, you need to set the correct environment variables when
                             launching the server. You can check the variable names in the tooltips of each option.
-                        </p>
+                        </div>
 
                         {{#each config}}
                         {{#each elements}}
@@ -209,6 +219,12 @@
             "Error deauthorizing sessions");
         return false;
     }
+    function updateRevisions() {
+        _post("/admin/users/update_revision",
+            "Success, clients will sync next time they connect",
+            "Error forcing clients to sync");
+        return false;
+    }
     function inviteUser() {
         inv = $("#email-invite");
         data = JSON.stringify({ "email": inv.val() });

src/static/templates/email/invite_accepted.html.hbs

@@ -82,7 +82,7 @@ Invitation accepted
       <table class="body-wrap" cellpadding="0" cellspacing="0" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; width: 100%;" bgcolor="#f6f6f6">
          <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
             <td valign="middle" class="aligncenter middle logo" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; padding: 20px 0 10px;" align="center">
-               <p style="text-align: center"><strong>Bitwarden_rs</strong></p>
+                <img src="{{url}}/bwrs_images/logo-gray.png" alt="" width="250" height="39" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;" />
             </td>
          </tr>
          <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
@@ -118,11 +118,7 @@ Invitation accepted
                               <td class="aligncenter social-icons" align="center" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 15px 0 0 0;" valign="top">
                                  <table cellpadding="0" cellspacing="0" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0 auto;">
                                     <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
-                                       <td style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 0 10px;" valign="top">
+                                        <td style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 0 10px;" valign="top"><a href="https://github.com/dani-garcia/bitwarden_rs" target="_blank" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; text-decoration: underline;"><img src="{{url}}/bwrs_images/mail-github.png" alt="GitHub" width="30" height="30" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;" /></a></td>
-                                          <a href="https://github.com/dani-garcia/bitwarden_rs" target="_blank" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; text-decoration: underline;">
-                                             <p style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;">GitHub</p>
-                                          </a>
-                                       </td>
                                     </tr>
                                  </table>
                               </td>

src/static/templates/email/invite_confirmed.html.hbs

@@ -82,7 +82,7 @@ Invitation to {{org_name}} confirmed
       <table class="body-wrap" cellpadding="0" cellspacing="0" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; width: 100%;" bgcolor="#f6f6f6">
          <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
             <td valign="middle" class="aligncenter middle logo" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; padding: 20px 0 10px;" align="center">
-               <p style="text-align: center"><strong>Bitwarden_rs</strong></p>
+                <img src="{{url}}/bwrs_images/logo-gray.png" alt="" width="250" height="39" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;" />
             </td>
          </tr>
          <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
@@ -114,11 +114,7 @@ Invitation to {{org_name}} confirmed
                               <td class="aligncenter social-icons" align="center" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 15px 0 0 0;" valign="top">
                                  <table cellpadding="0" cellspacing="0" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0 auto;">
                                     <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
-                                       <td style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 0 10px;" valign="top">
+                                        <td style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 0 10px;" valign="top"><a href="https://github.com/dani-garcia/bitwarden_rs" target="_blank" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; text-decoration: underline;"><img src="{{url}}/bwrs_images/mail-github.png" alt="GitHub" width="30" height="30" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;" /></a></td>
-                                          <a href="https://github.com/dani-garcia/bitwarden_rs" target="_blank" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; text-decoration: underline;">
-                                             <p style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;">GitHub</p>
-                                          </a>
-                                       </td>
                                     </tr>
                                  </table>
                               </td>

src/static/templates/email/pw_hint_none.html.hbs

@@ -82,7 +82,7 @@ Sorry, you have no password hint...
       <table class="body-wrap" cellpadding="0" cellspacing="0" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; width: 100%;" bgcolor="#f6f6f6">
          <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
             <td valign="middle" class="aligncenter middle logo" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; padding: 20px 0 10px;" align="center">
-               <p style="text-align: center"><strong>Bitwarden_rs</strong></p>
+                <img src="{{url}}/bwrs_images/logo-gray.png" alt="" width="250" height="39" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;" />
             </td>
          </tr>
          <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
@@ -113,11 +113,7 @@ Sorry, you have no password hint...
                               <td class="aligncenter social-icons" align="center" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 15px 0 0 0;" valign="top">
                                  <table cellpadding="0" cellspacing="0" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0 auto;">
                                     <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
-                                       <td style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 0 10px;" valign="top">
+                                        <td style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 0 10px;" valign="top"><a href="https://github.com/dani-garcia/bitwarden_rs" target="_blank" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; text-decoration: underline;"><img src="{{url}}/bwrs_images/mail-github.png" alt="GitHub" width="30" height="30" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;" /></a></td>
-                                          <a href="https://github.com/dani-garcia/bitwarden_rs" target="_blank" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; text-decoration: underline;">
-                                             <p style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;">GitHub</p>
-                                          </a>
-                                       </td>
                                     </tr>
                                  </table>
                               </td>

src/static/templates/email/pw_hint_some.hbs

@@ -3,5 +3,6 @@ Your master password hint
 You (or someone) recently requested your master password hint.
 
 Your hint is: "{{hint}}"
+Log in: <a href="{{url}}">Web Vault</a>
 
 If you did not request your master password hint you can safely ignore this email.

src/static/templates/email/pw_hint_some.html.hbs

@@ -82,7 +82,7 @@ Your master password hint
       <table class="body-wrap" cellpadding="0" cellspacing="0" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; width: 100%;" bgcolor="#f6f6f6">
          <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
             <td valign="middle" class="aligncenter middle logo" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; padding: 20px 0 10px;" align="center">
-               <p style="text-align: center"><strong>Bitwarden_rs</strong></p>
+                <img src="{{url}}/bwrs_images/logo-gray.png" alt="" width="250" height="39" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;" />
             </td>
          </tr>
          <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
@@ -119,11 +119,7 @@ Your master password hint
                               <td class="aligncenter social-icons" align="center" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 15px 0 0 0;" valign="top">
                                  <table cellpadding="0" cellspacing="0" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0 auto;">
                                     <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
-                                       <td style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 0 10px;" valign="top">
+                                        <td style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 0 10px;" valign="top"><a href="https://github.com/dani-garcia/bitwarden_rs" target="_blank" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; text-decoration: underline;"><img src="{{url}}/bwrs_images/mail-github.png" alt="GitHub" width="30" height="30" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;" /></a></td>
-                                          <a href="https://github.com/dani-garcia/bitwarden_rs" target="_blank" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; text-decoration: underline;">
-                                             <p style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;">GitHub</p>
-                                          </a>
-                                       </td>
                                     </tr>
                                  </table>
                               </td>

src/static/templates/email/send_org_invite.html.hbs

@@ -82,7 +82,7 @@ Join {{org_name}}
       <table class="body-wrap" cellpadding="0" cellspacing="0" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; width: 100%;" bgcolor="#f6f6f6">
          <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
             <td valign="middle" class="aligncenter middle logo" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; padding: 20px 0 10px;" align="center">
-               <p style="text-align: center"><strong>Bitwarden_rs</strong></p>
+                <img src="{{url}}/bwrs_images/logo-gray.png" alt="" width="250" height="39" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;" />
             </td>
          </tr>
          <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
@@ -101,7 +101,8 @@ Join {{org_name}}
                                     </tr>
                                     <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
                                        <td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none; text-align: center;" valign="top" align="center">
-                                          <a href="{{url}}/#/accept-organization/?organizationId={{org_id}}&organizationUserId={{org_user_id}}&email={{email}}&organizationName={{org_name}}&token={{token}}" clicktracking=off target="_blank" style="color: #ffffff; text-decoration: none; text-align: center; cursor: pointer; display: inline-block; border-radius: 5px; background-color: #3c8dbc; border-color: #3c8dbc; border-style: solid; border-width: 10px 20px; margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
+                                          <a href="{{url}}/#/accept-organization/?organizationId={{org_id}}&organizationUserId={{org_user_id}}&email={{email}}&organizationName={{org_name}}&token={{token}}"
+                                             clicktracking=off target="_blank" style="color: #ffffff; text-decoration: none; text-align: center; cursor: pointer; display: inline-block; border-radius: 5px; background-color: #3c8dbc; border-color: #3c8dbc; border-style: solid; border-width: 10px 20px; margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
                                           Join Organization Now
                                           </a>
                                        </td>
@@ -120,11 +121,7 @@ Join {{org_name}}
                               <td class="aligncenter social-icons" align="center" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 15px 0 0 0;" valign="top">
                                  <table cellpadding="0" cellspacing="0" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0 auto;">
                                     <tr style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0;">
-                                       <td style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 0 10px;" valign="top">
+                                        <td style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; padding: 0 10px;" valign="top"><a href="https://github.com/dani-garcia/bitwarden_rs" target="_blank" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; text-decoration: underline;"><img src="{{url}}/bwrs_images/mail-github.png" alt="GitHub" width="30" height="30" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;" /></a></td>
-                                          <a href="https://github.com/dani-garcia/bitwarden_rs" target="_blank" style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; box-sizing: border-box; color: #999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 20px; margin: 0; text-decoration: underline;">
-                                             <p style="-webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none; border: none; box-sizing: border-box; color: #333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 25px; margin: 0; max-width: 100%;">GitHub</p>
-                                          </a>
-                                       </td>
                                     </tr>
                                  </table>
                               </td>

src/util.rs

@@ -218,7 +218,7 @@ impl<'de> Visitor<'de> for UpCaseVisitor {
         let mut result_map = JsonMap::new();
 
         while let Some((key, value)) = map.next_entry()? {
-            result_map.insert(upcase_first(key), upcase_value(&value));
+            result_map.insert(upcase_first(key), upcase_value(value));
         }
 
         Ok(Value::Object(result_map))
@@ -231,32 +231,32 @@ impl<'de> Visitor<'de> for UpCaseVisitor {
         let mut result_seq = Vec::<Value>::new();
 
         while let Some(value) = seq.next_element()? {
-            result_seq.push(upcase_value(&value));
+            result_seq.push(upcase_value(value));
         }
 
         Ok(Value::Array(result_seq))
     }
 }
 
-fn upcase_value(value: &Value) -> Value {
+fn upcase_value(value: Value) -> Value {
-    if let Some(map) = value.as_object() {
+    if let Value::Object(map) = value {
         let mut new_value = json!({});
 
-        for (key, val) in map {
+        for (key, val) in map.into_iter() {
-            let processed_key = _process_key(key);
+            let processed_key = _process_key(&key);
             new_value[processed_key] = upcase_value(val);
         }
         new_value
-    } else if let Some(array) = value.as_array() {
+    } else if let Value::Array(array) = value {
         // Initialize array with null values
         let mut new_value = json!(vec![Value::Null; array.len()]);
 
-        for (index, val) in array.iter().enumerate() {
+        for (index, val) in array.into_iter().enumerate() {
             new_value[index] = upcase_value(val);
         }
         new_value
     } else {
-        value.clone()
+        value
     }
 }