Support SSH keys on desktop 2024.12 (#5187)

* Support SSH keys on desktop 2024.12

* Document flags in .env.template

* Validate key rotation contents

6 files changed, 154 insertions, 41 deletions

diff --git a/src/api/core/accounts.rs b/src/api/core/accounts.rs
index 1d3bcf37..87e44529 100644
--- a/src/api/core/accounts.rs
+++ b/src/api/core/accounts.rs
@@ -1,3 +1,5 @@
+use std::collections::HashSet;
+
 use crate::db::DbPool;
 use chrono::Utc;
 use rocket::serde::json::Json;
@@ -477,6 +479,60 @@ struct KeyData {
     private_key: String,
 }
 
+fn validate_keydata(
+    data: &KeyData,
+    existing_ciphers: &[Cipher],
+    existing_folders: &[Folder],
+    existing_emergency_access: &[EmergencyAccess],
+    existing_user_orgs: &[UserOrganization],
+    existing_sends: &[Send],
+) -> EmptyResult {
+    // Check that we're correctly rotating all the user's ciphers
+    let existing_cipher_ids = existing_ciphers.iter().map(|c| c.uuid.as_str()).collect::<HashSet<_>>();
+    let provided_cipher_ids = data
+        .ciphers
+        .iter()
+        .filter(|c| c.organization_id.is_none())
+        .filter_map(|c| c.id.as_deref())
+        .collect::<HashSet<_>>();
+    if !provided_cipher_ids.is_superset(&existing_cipher_ids) {
+        err!("All existing ciphers must be included in the rotation")
+    }
+
+    // Check that we're correctly rotating all the user's folders
+    let existing_folder_ids = existing_folders.iter().map(|f| f.uuid.as_str()).collect::<HashSet<_>>();
+    let provided_folder_ids = data.folders.iter().filter_map(|f| f.id.as_deref()).collect::<HashSet<_>>();
+    if !provided_folder_ids.is_superset(&existing_folder_ids) {
+        err!("All existing folders must be included in the rotation")
+    }
+
+    // Check that we're correctly rotating all the user's emergency access keys
+    let existing_emergency_access_ids =
+        existing_emergency_access.iter().map(|ea| ea.uuid.as_str()).collect::<HashSet<_>>();
+    let provided_emergency_access_ids =
+        data.emergency_access_keys.iter().map(|ea| ea.id.as_str()).collect::<HashSet<_>>();
+    if !provided_emergency_access_ids.is_superset(&existing_emergency_access_ids) {
+        err!("All existing emergency access keys must be included in the rotation")
+    }
+
+    // Check that we're correctly rotating all the user's reset password keys
+    let existing_reset_password_ids = existing_user_orgs.iter().map(|uo| uo.org_uuid.as_str()).collect::<HashSet<_>>();
+    let provided_reset_password_ids =
+        data.reset_password_keys.iter().map(|rp| rp.organization_id.as_str()).collect::<HashSet<_>>();
+    if !provided_reset_password_ids.is_superset(&existing_reset_password_ids) {
+        err!("All existing reset password keys must be included in the rotation")
+    }
+
+    // Check that we're correctly rotating all the user's sends
+    let existing_send_ids = existing_sends.iter().map(|s| s.uuid.as_str()).collect::<HashSet<_>>();
+    let provided_send_ids = data.sends.iter().filter_map(|s| s.id.as_deref()).collect::<HashSet<_>>();
+    if !provided_send_ids.is_superset(&existing_send_ids) {
+        err!("All existing sends must be included in the rotation")
+    }
+
+    Ok(())
+}
+
 #[post("/accounts/key", data = "<data>")]
 async fn post_rotatekey(data: Json<KeyData>, headers: Headers, mut conn: DbConn, nt: Notify<'_>) -> EmptyResult {
     // TODO: See if we can wrap everything within a SQL Transaction. If something fails it should revert everything.
@@ -494,20 +550,35 @@ async fn post_rotatekey(data: Json<KeyData>, headers: Headers, mut conn: DbConn,
 
     let user_uuid = &headers.user.uuid;
 
+    // TODO: Ideally we'd do everything after this point in a single transaction.
+
+    let mut existing_ciphers = Cipher::find_owned_by_user(user_uuid, &mut conn).await;
+    let mut existing_folders = Folder::find_by_user(user_uuid, &mut conn).await;
+    let mut existing_emergency_access = EmergencyAccess::find_all_by_grantor_uuid(user_uuid, &mut conn).await;
+    let mut existing_user_orgs = UserOrganization::find_by_user(user_uuid, &mut conn).await;
+    // We only rotate the reset password key if it is set.
+    existing_user_orgs.retain(|uo| uo.reset_password_key.is_some());
+    let mut existing_sends = Send::find_by_user(user_uuid, &mut conn).await;
+
+    validate_keydata(
+        &data,
+        &existing_ciphers,
+        &existing_folders,
+        &existing_emergency_access,
+        &existing_user_orgs,
+        &existing_sends,
+    )?;
+
     // Update folder data
     for folder_data in data.folders {
         // Skip `null` folder id entries.
         // See: https://github.com/bitwarden/clients/issues/8453
         if let Some(folder_id) = folder_data.id {
-            let mut saved_folder = match Folder::find_by_uuid(&folder_id, &mut conn).await {
+            let saved_folder = match existing_folders.iter_mut().find(|f| f.uuid == folder_id) {
                 Some(folder) => folder,
                 None => err!("Folder doesn't exist"),
             };
 
-            if &saved_folder.user_uuid != user_uuid {
-                err!("The folder is not owned by the user")
-            }
-
             saved_folder.name = folder_data.name;
             saved_folder.save(&mut conn).await?
         }
@@ -515,9 +586,8 @@ async fn post_rotatekey(data: Json<KeyData>, headers: Headers, mut conn: DbConn,
 
     // Update emergency access data
     for emergency_access_data in data.emergency_access_keys {
-        let mut saved_emergency_access =
-            match EmergencyAccess::find_by_uuid_and_grantor_uuid(&emergency_access_data.id, user_uuid, &mut conn).await
-            {
+        let saved_emergency_access =
+            match existing_emergency_access.iter_mut().find(|ea| ea.uuid == emergency_access_data.id) {
                 Some(emergency_access) => emergency_access,
                 None => err!("Emergency access doesn't exist or is not owned by the user"),
             };
@@ -528,13 +598,11 @@ async fn post_rotatekey(data: Json<KeyData>, headers: Headers, mut conn: DbConn,
 
     // Update reset password data
     for reset_password_data in data.reset_password_keys {
-        let mut user_org =
-            match UserOrganization::find_by_user_and_org(user_uuid, &reset_password_data.organization_id, &mut conn)
-                .await
-            {
-                Some(reset_password) => reset_password,
-                None => err!("Reset password doesn't exist"),
-            };
+        let user_org = match existing_user_orgs.iter_mut().find(|uo| uo.org_uuid == reset_password_data.organization_id)
+        {
+            Some(reset_password) => reset_password,
+            None => err!("Reset password doesn't exist"),
+        };
 
         user_org.reset_password_key = Some(reset_password_data.reset_password_key);
         user_org.save(&mut conn).await?
@@ -542,12 +610,12 @@ async fn post_rotatekey(data: Json<KeyData>, headers: Headers, mut conn: DbConn,
 
     // Update send data
     for send_data in data.sends {
-        let mut send = match Send::find_by_uuid(send_data.id.as_ref().unwrap(), &mut conn).await {
+        let send = match existing_sends.iter_mut().find(|s| &s.uuid == send_data.id.as_ref().unwrap()) {
             Some(send) => send,
             None => err!("Send doesn't exist"),
         };
 
-        update_send_from_data(&mut send, send_data, &headers, &mut conn, &nt, UpdateType::None).await?;
+        update_send_from_data(send, send_data, &headers, &mut conn, &nt, UpdateType::None).await?;
     }
 
     // Update cipher data
@@ -555,20 +623,15 @@ async fn post_rotatekey(data: Json<KeyData>, headers: Headers, mut conn: DbConn,
 
     for cipher_data in data.ciphers {
         if cipher_data.organization_id.is_none() {
-            let mut saved_cipher = match Cipher::find_by_uuid(cipher_data.id.as_ref().unwrap(), &mut conn).await {
+            let saved_cipher = match existing_ciphers.iter_mut().find(|c| &c.uuid == cipher_data.id.as_ref().unwrap()) {
                 Some(cipher) => cipher,
                 None => err!("Cipher doesn't exist"),
             };
 
-            if saved_cipher.user_uuid.as_ref().unwrap() != user_uuid {
-                err!("The cipher is not owned by the user")
-            }
-
             // Prevent triggering cipher updates via WebSockets by settings UpdateType::None
             // The user sessions are invalidated because all the ciphers were re-encrypted and thus triggering an update could cause issues.
             // We force the users to logout after the user has been saved to try and prevent these issues.
-            update_cipher_from_data(&mut saved_cipher, cipher_data, &headers, None, &mut conn, &nt, UpdateType::None)
-                .await?
+            update_cipher_from_data(saved_cipher, cipher_data, &headers, None, &mut conn, &nt, UpdateType::None).await?
         }
     }
 
diff --git a/src/api/core/ciphers.rs b/src/api/core/ciphers.rs
index 94bdc485..57d069b8 100644
--- a/src/api/core/ciphers.rs
+++ b/src/api/core/ciphers.rs
@@ -10,6 +10,7 @@ use rocket::{
 };
 use serde_json::Value;
 
+use crate::auth::ClientVersion;
 use crate::util::NumberOrString;
 use crate::{
     api::{self, core::log_event, EmptyResult, JsonResult, Notify, PasswordOrOtpData, UpdateType},
@@ -104,11 +105,27 @@ struct SyncData {
 }
 
 #[get("/sync?<data..>")]
-async fn sync(data: SyncData, headers: Headers, mut conn: DbConn) -> Json<Value> {
+async fn sync(
+    data: SyncData,
+    headers: Headers,
+    client_version: Option<ClientVersion>,
+    mut conn: DbConn,
+) -> Json<Value> {
     let user_json = headers.user.to_json(&mut conn).await;
 
     // Get all ciphers which are visible by the user
-    let ciphers = Cipher::find_by_user_visible(&headers.user.uuid, &mut conn).await;
+    let mut ciphers = Cipher::find_by_user_visible(&headers.user.uuid, &mut conn).await;
+
+    // Filter out SSH keys if the client version is less than 2024.12.0
+    let show_ssh_keys = if let Some(client_version) = client_version {
+        let ver_match = semver::VersionReq::parse(">=2024.12.0").unwrap();
+        ver_match.matches(&client_version.0)
+    } else {
+        false
+    };
+    if !show_ssh_keys {
+        ciphers.retain(|c| c.atype != 5);
+    }
 
     let cipher_sync_data = CipherSyncData::new(&headers.user.uuid, CipherSyncType::User, &mut conn).await;
 
@@ -216,7 +233,8 @@ pub struct CipherData {
     Login = 1,
     SecureNote = 2,
     Card = 3,
-    Identity = 4
+    Identity = 4,
+    SshKey = 5
     */
     pub r#type: i32,
     pub name: String,
@@ -228,6 +246,7 @@ pub struct CipherData {
     secure_note: Option<Value>,
     card: Option<Value>,
     identity: Option<Value>,
+    ssh_key: Option<Value>,
 
     favorite: Option<bool>,
     reprompt: Option<i32>,
@@ -469,6 +488,7 @@ pub async fn update_cipher_from_data(
         2 => data.secure_note,
         3 => data.card,
         4 => data.identity,
+        5 => data.ssh_key,
         _ => err!("Invalid type"),
     };
 
diff --git a/src/api/core/organizations.rs b/src/api/core/organizations.rs
index 96ff9805..7ee6a089 100644
--- a/src/api/core/organizations.rs
+++ b/src/api/core/organizations.rs
@@ -9,7 +9,7 @@ use crate::{
         core::{log_event, two_factor, CipherSyncData, CipherSyncType},
         EmptyResult, JsonResult, Notify, PasswordOrOtpData, UpdateType,
     },
-    auth::{decode_invite, AdminHeaders, Headers, ManagerHeaders, ManagerHeadersLoose, OwnerHeaders},
+    auth::{decode_invite, AdminHeaders, ClientVersion, Headers, ManagerHeaders, ManagerHeadersLoose, OwnerHeaders},
     db::{models::*, DbConn},
     error::Error,
     mail,
@@ -2999,18 +2999,20 @@ async fn put_reset_password_enrollment(
 //       We need to convert all keys so they have the first character to be a lowercase.
 //       Else the export will be just an empty JSON file.
 #[get("/organizations/<org_id>/export")]
-async fn get_org_export(org_id: &str, headers: AdminHeaders, mut conn: DbConn) -> Json<Value> {
-    use semver::{Version, VersionReq};
-
+async fn get_org_export(
+    org_id: &str,
+    headers: AdminHeaders,
+    client_version: Option<ClientVersion>,
+    mut conn: DbConn,
+) -> Json<Value> {
     // Since version v2023.1.0 the format of the export is different.
     // Also, this endpoint was created since v2022.9.0.
     // Therefore, we will check for any version smaller then v2023.1.0 and return a different response.
     // If we can't determine the version, we will use the latest default v2023.1.0 and higher.
     // https://github.com/bitwarden/server/blob/9ca93381ce416454734418c3a9f99ab49747f1b6/src/Api/Controllers/OrganizationExportController.cs#L44
-    let use_list_response_model = if let Some(client_version) = headers.client_version {
-        let ver_match = VersionReq::parse("<2023.1.0").unwrap();
-        let client_version = Version::parse(&client_version).unwrap();
-        ver_match.matches(&client_version)
+    let use_list_response_model = if let Some(client_version) = client_version {
+        let ver_match = semver::VersionReq::parse("<2023.1.0").unwrap();
+        ver_match.matches(&client_version.0)
     } else {
         false
     };
diff --git a/src/auth.rs b/src/auth.rs
index b1a743da..809ef9fd 100644
--- a/src/auth.rs
+++ b/src/auth.rs
@@ -615,7 +615,6 @@ pub struct AdminHeaders {
     pub device: Device,
     pub user: User,
     pub org_user_type: UserOrgType,
-    pub client_version: Option<String>,
     pub ip: ClientIp,
 }
 
@@ -625,14 +624,12 @@ impl<'r> FromRequest<'r> for AdminHeaders {
 
     async fn from_request(request: &'r Request<'_>) -> Outcome<Self, Self::Error> {
         let headers = try_outcome!(OrgHeaders::from_request(request).await);
-        let client_version = request.headers().get_one("Bitwarden-Client-Version").map(String::from);
         if headers.org_user_type >= UserOrgType::Admin {
             Outcome::Success(Self {
                 host: headers.host,
                 device: headers.device,
                 user: headers.user,
                 org_user_type: headers.org_user_type,
-                client_version,
                 ip: headers.ip,
             })
         } else {
@@ -900,3 +897,24 @@ impl<'r> FromRequest<'r> for WsAccessTokenHeader {
         })
     }
 }
+
+pub struct ClientVersion(pub semver::Version);
+
+#[rocket::async_trait]
+impl<'r> FromRequest<'r> for ClientVersion {
+    type Error = &'static str;
+
+    async fn from_request(request: &'r Request<'_>) -> Outcome<Self, Self::Error> {
+        let headers = request.headers();
+
+        let Some(version) = headers.get_one("Bitwarden-Client-Version") else {
+            err_handler!("No Bitwarden-Client-Version header provided")
+        };
+
+        let Ok(version) = semver::Version::parse(version) else {
+            err_handler!("Invalid Bitwarden-Client-Version header provided")
+        };
+
+        Outcome::Success(ClientVersion(version))
+    }
+}
diff --git a/src/config.rs b/src/config.rs
index 244499d0..e4e80927 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -811,8 +811,15 @@ fn validate_config(cfg: &ConfigItems) -> Result<(), Error> {
     }
 
     // TODO: deal with deprecated flags so they can be removed from this list, cf. #4263
-    const KNOWN_FLAGS: &[&str] =
-        &["autofill-overlay", "autofill-v2", "browser-fileless-import", "extension-refresh", "fido2-vault-credentials"];
+    const KNOWN_FLAGS: &[&str] = &[
+        "autofill-overlay",
+        "autofill-v2",
+        "browser-fileless-import",
+        "extension-refresh",
+        "fido2-vault-credentials",
+        "ssh-key-vault-item",
+        "ssh-agent",
+    ];
     let configured_flags = parse_experimental_client_feature_flags(&cfg.experimental_client_feature_flags);
     let invalid_flags: Vec<_> = configured_flags.keys().filter(|flag| !KNOWN_FLAGS.contains(&flag.as_str())).collect();
     if !invalid_flags.is_empty() {
diff --git a/src/db/models/cipher.rs b/src/db/models/cipher.rs
index 9c568284..75d54df2 100644
--- a/src/db/models/cipher.rs
+++ b/src/db/models/cipher.rs
@@ -30,7 +30,8 @@ db_object! {
         Login = 1,
         SecureNote = 2,
         Card = 3,
-        Identity = 4
+        Identity = 4,
+        SshKey = 5
         */
         pub atype: i32,
         pub name: String,
@@ -319,6 +320,7 @@ impl Cipher {
             "secureNote": null,
             "card": null,
             "identity": null,
+            "sshKey": null,
         });
 
         // These values are only needed for user/default syncs
@@ -347,6 +349,7 @@ impl Cipher {
             2 => "secureNote",
             3 => "card",
             4 => "identity",
+            5 => "sshKey",
             _ => panic!("Wrong type"),
         };