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diff --git a/services/commtest/tests/identity_one_time_key_tests.rs b/services/commtest/tests/identity_one_time_key_tests.rs
new file mode 100644
--- /dev/null
+++ b/services/commtest/tests/identity_one_time_key_tests.rs
@@ -0,0 +1,35 @@
+mod client {
+ tonic::include_proto!("identity.client");
+}
+mod auth_proto {
+ tonic::include_proto!("identity.authenticated");
+}
+use client::identity_client_service_client::IdentityClientServiceClient;
+use client::UploadOneTimeKeysRequest;
+use commtest::identity::device::create_device;
+
+#[tokio::test]
+async fn verify_access_token() {
+ let device_info = create_device().await;
+
+ let mut identity_client =
+ IdentityClientServiceClient::connect("http://127.0.0.1:50054")
+ .await
+ .expect("Couldn't connect to identity service");
+
+ let upload_request = UploadOneTimeKeysRequest {
+ user_id: device_info.user_id,
+ device_id: device_info.device_id,
+ access_token: device_info.access_token,
+ content_one_time_pre_keys: vec![
+ "content1".to_string(),
+ "content2".to_string(),
+ ],
+ notif_one_time_pre_keys: vec!["notif1".to_string(), "notif2".to_string()],
+ };
+
+ identity_client
+ .upload_one_time_keys(upload_request)
+ .await
+ .unwrap();
+}
diff --git a/services/identity/src/client_service.rs b/services/identity/src/client_service.rs
--- a/services/identity/src/client_service.rs
+++ b/services/identity/src/client_service.rs
@@ -791,7 +791,6 @@
self
.client
.append_one_time_prekeys(
- message.user_id,
message.device_id,
message.content_one_time_pre_keys,
message.notif_one_time_pre_keys,
diff --git a/services/identity/src/constants.rs b/services/identity/src/constants.rs
--- a/services/identity/src/constants.rs
+++ b/services/identity/src/constants.rs
@@ -85,6 +85,16 @@
pub const RESERVED_USERNAMES_TABLE: &str = "identity-reserved-usernames";
pub const RESERVED_USERNAMES_TABLE_PARTITION_KEY: &str = "username";
+// One time keys table, which need to exist in their own table to ensure
+// atomicity of additions and removals
+pub mod one_time_keys_table {
+ pub const NAME: &'static str = "identity-one-time-keys";
+ pub const PARTITION_KEY: &'static str = "deviceID";
+ pub const DEVICE_ID: &'static str = PARTITION_KEY;
+ pub const SORT_KEY: &'static str = "oneTimeKey";
+ pub const ONE_TIME_KEY: &'static str = SORT_KEY;
+}
+
// Tokio
pub const MPSC_CHANNEL_BUFFER_CAPACITY: usize = 1;
diff --git a/services/identity/src/database.rs b/services/identity/src/database.rs
--- a/services/identity/src/database.rs
+++ b/services/identity/src/database.rs
@@ -4,6 +4,7 @@
use std::str::FromStr;
use std::sync::Arc;
+use crate::ddb_utils::{into_one_time_put_requests, OlmAccountType};
use crate::error::{DBItemAttributeError, DBItemError, Error};
use aws_config::SdkConfig;
use aws_sdk_dynamodb::model::{AttributeValue, PutRequest, WriteRequest};
@@ -25,13 +26,11 @@
NONCE_TABLE_CREATED_ATTRIBUTE, NONCE_TABLE_PARTITION_KEY,
RESERVED_USERNAMES_TABLE, RESERVED_USERNAMES_TABLE_PARTITION_KEY,
USERS_TABLE, USERS_TABLE_DEVICES_ATTRIBUTE,
- USERS_TABLE_DEVICES_MAP_CONTENT_ONETIME_KEYS_ATTRIBUTE_NAME,
USERS_TABLE_DEVICES_MAP_CONTENT_PREKEY_ATTRIBUTE_NAME,
USERS_TABLE_DEVICES_MAP_CONTENT_PREKEY_SIGNATURE_ATTRIBUTE_NAME,
USERS_TABLE_DEVICES_MAP_DEVICE_TYPE_ATTRIBUTE_NAME,
USERS_TABLE_DEVICES_MAP_KEY_PAYLOAD_ATTRIBUTE_NAME,
USERS_TABLE_DEVICES_MAP_KEY_PAYLOAD_SIGNATURE_ATTRIBUTE_NAME,
- USERS_TABLE_DEVICES_MAP_NOTIF_ONETIME_KEYS_ATTRIBUTE_NAME,
USERS_TABLE_DEVICES_MAP_NOTIF_PREKEY_ATTRIBUTE_NAME,
USERS_TABLE_DEVICES_MAP_NOTIF_PREKEY_SIGNATURE_ATTRIBUTE_NAME,
USERS_TABLE_DEVICES_MAP_SOCIAL_PROOF_ATTRIBUTE_NAME,
@@ -295,45 +294,34 @@
pub async fn append_one_time_prekeys(
&self,
- user_id: String,
device_id: String,
content_one_time_keys: Vec<String>,
notif_one_time_keys: Vec<String>,
) -> Result<(), Error> {
- let notif_keys_av: Vec<AttributeValue> = notif_one_time_keys
- .into_iter()
- .map(AttributeValue::S)
- .collect();
- let content_keys_av: Vec<AttributeValue> = content_one_time_keys
- .into_iter()
- .map(AttributeValue::S)
- .collect();
+ use crate::constants::one_time_keys_table;
- let update_expression =
- format!("SET {0}.#{1}.{2} = list_append({0}.#{1}.{2}, :n), {0}.#{1}.{3} = list_append({0}.#{1}.{3}, :i)",
- USERS_TABLE_DEVICES_ATTRIBUTE,
- "deviceID",
- USERS_TABLE_DEVICES_MAP_NOTIF_ONETIME_KEYS_ATTRIBUTE_NAME,
- USERS_TABLE_DEVICES_MAP_CONTENT_ONETIME_KEYS_ATTRIBUTE_NAME
- );
- let expression_attribute_names =
- HashMap::from([(format!("#{}", "deviceID"), device_id)]);
- let expression_attribute_values = HashMap::from([
- (":n".to_string(), AttributeValue::L(notif_keys_av)),
- (":i".to_string(), AttributeValue::L(content_keys_av)),
- ]);
+ let mut otk_requests = into_one_time_put_requests(
+ &device_id,
+ content_one_time_keys,
+ OlmAccountType::Content,
+ );
+ let notif_otk_requests: Vec<WriteRequest> = into_one_time_put_requests(
+ &device_id,
+ notif_one_time_keys,
+ OlmAccountType::Notification,
+ );
+ otk_requests.extend(notif_otk_requests);
- self
- .client
- .update_item()
- .table_name(USERS_TABLE)
- .key(USERS_TABLE_PARTITION_KEY, AttributeValue::S(user_id))
- .update_expression(update_expression)
- .set_expression_attribute_names(Some(expression_attribute_names))
- .set_expression_attribute_values(Some(expression_attribute_values))
- .send()
- .await
- .map_err(|e| Error::AwsSdk(e.into()))?;
+ // BatchWriteItem has a hard limit of 25 writes per call
+ for requests in otk_requests.chunks(25) {
+ self
+ .client
+ .batch_write_item()
+ .request_items(one_time_keys_table::NAME, requests.to_vec())
+ .send()
+ .await
+ .map_err(|e| Error::AwsSdk(e.into()))?;
+ }
Ok(())
}
@@ -344,14 +332,21 @@
flattened_device_key_upload: FlattenedDeviceKeyUpload,
social_proof: Option<String>,
) -> Result<(), Error> {
+ use crate::constants::one_time_keys_table;
+
+ // Avoid borrowing from lifetime of flattened_device_key_upload
+ let device_id = flattened_device_key_upload.device_id_key.clone();
+ let content_one_time_keys =
+ flattened_device_key_upload.content_onetime_keys.clone();
+ let notif_one_time_keys =
+ flattened_device_key_upload.notif_onetime_keys.clone();
+
let device_info =
- create_device_info(flattened_device_key_upload.clone(), social_proof);
+ create_device_info(flattened_device_key_upload, social_proof);
let update_expression =
format!("SET {}.#{} = :v", USERS_TABLE_DEVICES_ATTRIBUTE, "deviceID",);
- let expression_attribute_names = HashMap::from([(
- format!("#{}", "deviceID"),
- flattened_device_key_upload.device_id_key,
- )]);
+ let expression_attribute_names =
+ HashMap::from([(format!("#{}", "deviceID"), device_id.clone())]);
let expression_attribute_values =
HashMap::from([(":v".to_string(), AttributeValue::M(device_info))]);
@@ -367,6 +362,29 @@
.await
.map_err(|e| Error::AwsSdk(e.into()))?;
+ let mut otk_requests = into_one_time_put_requests(
+ &device_id,
+ content_one_time_keys,
+ OlmAccountType::Content,
+ );
+ let notif_otk_requests = into_one_time_put_requests(
+ &device_id,
+ notif_one_time_keys,
+ OlmAccountType::Notification,
+ );
+ otk_requests.extend(notif_otk_requests);
+
+ // BatchWriteItem only supports 25 writes in a call
+ for requests in otk_requests.chunks(25) {
+ self
+ .client
+ .batch_write_item()
+ .request_items(one_time_keys_table::NAME, requests.to_vec())
+ .send()
+ .await
+ .map_err(|e| Error::AwsSdk(e.into()))?;
+ }
+
Ok(())
}
@@ -1042,16 +1060,6 @@
.to_string(),
AttributeValue::S(flattened_device_key_upload.content_prekey_signature),
),
- (
- USERS_TABLE_DEVICES_MAP_CONTENT_ONETIME_KEYS_ATTRIBUTE_NAME.to_string(),
- AttributeValue::L(
- flattened_device_key_upload
- .content_onetime_keys
- .into_iter()
- .map(AttributeValue::S)
- .collect(),
- ),
- ),
(
USERS_TABLE_DEVICES_MAP_NOTIF_PREKEY_ATTRIBUTE_NAME.to_string(),
AttributeValue::S(flattened_device_key_upload.notif_prekey),
@@ -1060,16 +1068,6 @@
USERS_TABLE_DEVICES_MAP_NOTIF_PREKEY_SIGNATURE_ATTRIBUTE_NAME.to_string(),
AttributeValue::S(flattened_device_key_upload.notif_prekey_signature),
),
- (
- USERS_TABLE_DEVICES_MAP_NOTIF_ONETIME_KEYS_ATTRIBUTE_NAME.to_string(),
- AttributeValue::L(
- flattened_device_key_upload
- .notif_onetime_keys
- .into_iter()
- .map(AttributeValue::S)
- .collect(),
- ),
- ),
]);
if let Some(social_proof) = social_proof {
diff --git a/services/identity/src/ddb_utils.rs b/services/identity/src/ddb_utils.rs
new file mode 100644
--- /dev/null
+++ b/services/identity/src/ddb_utils.rs
@@ -0,0 +1,58 @@
+use aws_sdk_dynamodb::model::{AttributeValue, PutRequest, WriteRequest};
+use std::collections::HashMap;
+use std::iter::IntoIterator;
+
+#[derive(Copy, Clone, Debug)]
+pub enum OlmAccountType {
+ Content,
+ Notification,
+}
+
+// Prefix the one time keys with the olm account variant. This allows for a single
+// DDB table to contain both notification and content keys for a device.
+fn create_one_time_key_partition_key(
+ device_id: &str,
+ account_type: OlmAccountType,
+) -> String {
+ match account_type {
+ OlmAccountType::Content => format!("content_{device_id}"),
+ OlmAccountType::Notification => format!("notification_{device_id}"),
+ }
+}
+
+fn create_one_time_key_put_request(
+ device_id: &str,
+ one_time_key: String,
+ account_type: OlmAccountType,
+) -> WriteRequest {
+ use crate::constants::one_time_keys_table::*;
+
+ let partition_key =
+ create_one_time_key_partition_key(device_id, account_type);
+ let builder = PutRequest::builder();
+ let attrs = HashMap::from([
+ (PARTITION_KEY.to_string(), AttributeValue::S(partition_key)),
+ (SORT_KEY.to_string(), AttributeValue::S(one_time_key)),
+ ]);
+
+ let put_request = builder.set_item(Some(attrs)).build();
+
+ WriteRequest::builder().put_request(put_request).build()
+}
+
+pub fn into_one_time_put_requests<T>(
+ device_id: &str,
+ one_time_keys: T,
+ account_type: OlmAccountType,
+) -> Vec<WriteRequest>
+where
+ T: IntoIterator,
+ <T as IntoIterator>::Item: ToString,
+{
+ one_time_keys
+ .into_iter()
+ .map(|otk| {
+ create_one_time_key_put_request(device_id, otk.to_string(), account_type)
+ })
+ .collect()
+}
diff --git a/services/identity/src/main.rs b/services/identity/src/main.rs
--- a/services/identity/src/main.rs
+++ b/services/identity/src/main.rs
@@ -9,6 +9,7 @@
mod config;
pub mod constants;
mod database;
+pub mod ddb_utils;
pub mod error;
mod grpc_services;
mod id;
diff --git a/services/terraform/modules/shared/dynamodb.tf b/services/terraform/modules/shared/dynamodb.tf
--- a/services/terraform/modules/shared/dynamodb.tf
+++ b/services/terraform/modules/shared/dynamodb.tf
@@ -254,6 +254,23 @@
}
}
+resource "aws_dynamodb_table" "identity-one-time-keys" {
+ name = "identity-one-time-keys"
+ hash_key = "deviceID"
+ range_key = "oneTimeKey"
+ billing_mode = "PAY_PER_REQUEST"
+
+ attribute {
+ name = "deviceID"
+ type = "S"
+ }
+
+ attribute {
+ name = "oneTimeKey"
+ type = "S"
+ }
+}
+
resource "aws_dynamodb_table" "feature-flags" {
name = "feature-flags"
hash_key = "platform"

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