ruwuma/ruma-events/src/push_rules.rs
2020-06-10 22:17:59 +02:00

458 lines
16 KiB
Rust

//! Types for the the *m.push_rules* event.
use ruma_events_macros::BasicEventContent;
use serde::{Deserialize, Serialize};
use crate::BasicEvent;
/// Describes all push rules for a user.
pub type PushRulesEvent = BasicEvent<PushRulesEventContent>;
/// The payload for `PushRulesEvent`.
#[derive(Clone, Debug, Deserialize, Serialize, BasicEventContent)]
#[ruma_event(type = "m.push_rules")]
pub struct PushRulesEventContent {
/// The global ruleset.
pub global: Ruleset,
}
pub use ruma_common::push::Action;
/// A push ruleset scopes a set of rules according to some criteria.
///
/// For example, some rules may only be applied for messages from a particular sender, a particular
/// room, or by default. The push ruleset contains the entire set of scopes and rules.
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct Ruleset {
/// These rules configure behavior for (unencrypted) messages that match certain patterns.
pub content: Vec<PatternedPushRule>,
/// These user-configured rules are given the highest priority.
///
/// This field is named `override_` instead of `override` because the latter is a reserved
/// keyword in Rust.
#[serde(rename = "override")]
pub override_: Vec<ConditionalPushRule>,
/// These rules change the behavior of all messages for a given room.
pub room: Vec<PushRule>,
/// These rules configure notification behavior for messages from a specific Matrix user ID.
pub sender: Vec<PushRule>,
/// These rules are identical to override rules, but have a lower priority than `content`,
/// `room` and `sender` rules.
pub underride: Vec<ConditionalPushRule>,
}
/// A push rule is a single rule that states under what conditions an event should be passed onto a
/// push gateway and how the notification should be presented.
///
/// These rules are stored on the user's homeserver. They are manually configured by the user, who
/// can create and view them via the Client/Server API.
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct PushRule {
/// Actions to determine if and how a notification is delivered for events matching this rule.
pub actions: Vec<Action>,
/// Whether this is a default rule, or has been set explicitly.
pub default: bool,
/// Whether the push rule is enabled or not.
pub enabled: bool,
/// The ID of this rule.
pub rule_id: String,
}
/// Like `PushRule`, but with an additional `conditions` field.
///
/// Only applicable to underride and override rules.
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct ConditionalPushRule {
/// Actions to determine if and how a notification is delivered for events matching this rule.
pub actions: Vec<Action>,
/// Whether this is a default rule, or has been set explicitly.
pub default: bool,
/// Whether the push rule is enabled or not.
pub enabled: bool,
/// The ID of this rule.
pub rule_id: String,
/// The conditions that must hold true for an event in order for a rule to be applied to an event.
///
/// A rule with no conditions always matches.
pub conditions: Vec<PushCondition>,
}
/// Like `PushRule`, but with an additional `pattern` field.
///
/// Only applicable to content rules.
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct PatternedPushRule {
/// Actions to determine if and how a notification is delivered for events matching this rule.
pub actions: Vec<Action>,
/// Whether this is a default rule, or has been set explicitly.
pub default: bool,
/// Whether the push rule is enabled or not.
pub enabled: bool,
/// The ID of this rule.
pub rule_id: String,
/// The glob-style pattern to match against.
pub pattern: String,
}
/// A condition that must apply for an associated push rule's action to be taken.
#[derive(Clone, Debug, Deserialize, Serialize)]
#[serde(tag = "kind", rename_all = "snake_case")]
pub enum PushCondition {
/// This is a glob pattern match on a field of the event.
EventMatch {
/// The dot-separated field of the event to match.
key: String,
/// The glob-style pattern to match against.
///
/// Patterns with no special glob characters should be treated as having asterisks prepended
/// and appended when testing the condition.
pattern: String,
},
/// This matches unencrypted messages where `content.body` contains the owner's display name in
/// that room.
ContainsDisplayName,
/// This matches the current number of members in the room.
RoomMemberCount {
/// A decimal integer optionally prefixed by one of `==`, `<`, `>`, `>=` or `<=`.
///
/// A prefix of `<` matches rooms where the member count is strictly less than the given
/// number and so forth. If no prefix is present, this parameter defaults to `==`.
is: String,
},
/// This takes into account the current power levels in the room, ensuring the sender of the
/// event has high enough power to trigger the notification.
SenderNotificationPermission {
/// The field in the power level event the user needs a minimum power level for.
///
/// Fields must be specified under the `notifications` property in the power level event's
/// `content`.
key: String,
},
}
#[cfg(test)]
mod tests {
use matches::assert_matches;
use serde_json::{from_value as from_json_value, json, to_value as to_json_value};
use super::{PushCondition, PushRulesEvent};
use crate::EventJson;
#[test]
fn serialize_event_match_condition() {
let json_data = json!({
"key": "content.msgtype",
"kind": "event_match",
"pattern": "m.notice"
});
assert_eq!(
to_json_value(&PushCondition::EventMatch {
key: "content.msgtype".to_string(),
pattern: "m.notice".to_string(),
})
.unwrap(),
json_data
);
}
#[test]
fn serialize_contains_display_name_condition() {
assert_eq!(
to_json_value(&PushCondition::ContainsDisplayName).unwrap(),
json!({ "kind": "contains_display_name" })
);
}
#[test]
fn serialize_room_member_count_condition() {
let json_data = json!({
"is": "2",
"kind": "room_member_count"
});
assert_eq!(
to_json_value(&PushCondition::RoomMemberCount { is: "2".to_string() }).unwrap(),
json_data
);
}
#[test]
fn serialize_sender_notification_permission_condition() {
let json_data = json!({
"key": "room",
"kind": "sender_notification_permission"
});
assert_eq!(
json_data,
to_json_value(&PushCondition::SenderNotificationPermission { key: "room".to_string() })
.unwrap()
);
}
#[test]
fn deserialize_event_match_condition() {
let json_data = json!({
"key": "content.msgtype",
"kind": "event_match",
"pattern": "m.notice"
});
assert_matches!(
from_json_value::<PushCondition>(json_data).unwrap(),
PushCondition::EventMatch { key, pattern }
if key == "content.msgtype" && pattern == "m.notice"
);
}
#[test]
fn deserialize_contains_display_name_condition() {
assert_matches!(
from_json_value::<PushCondition>(json!({ "kind": "contains_display_name" })).unwrap(),
PushCondition::ContainsDisplayName
);
}
#[test]
fn deserialize_room_member_count_condition() {
let json_data = json!({
"is": "2",
"kind": "room_member_count"
});
assert_matches!(
from_json_value::<PushCondition>(json_data).unwrap(),
PushCondition::RoomMemberCount { is }
if is == "2"
);
}
#[test]
fn deserialize_sender_notification_permission_condition() {
let json_data = json!({
"key": "room",
"kind": "sender_notification_permission"
});
assert_matches!(
from_json_value::<PushCondition>(json_data).unwrap(),
PushCondition::SenderNotificationPermission {
key
} if key == "room"
);
}
#[test]
fn sanity_check() {
// This is a full example of a push rules event from the specification.
let json_data = json!({
"content": {
"global": {
"content": [
{
"actions": [
"notify",
{
"set_tweak": "sound",
"value": "default"
},
{
"set_tweak": "highlight"
}
],
"default": true,
"enabled": true,
"pattern": "alice",
"rule_id": ".m.rule.contains_user_name"
}
],
"override": [
{
"actions": [
"dont_notify"
],
"conditions": [],
"default": true,
"enabled": false,
"rule_id": ".m.rule.master"
},
{
"actions": [
"dont_notify"
],
"conditions": [
{
"key": "content.msgtype",
"kind": "event_match",
"pattern": "m.notice"
}
],
"default": true,
"enabled": true,
"rule_id": ".m.rule.suppress_notices"
}
],
"room": [],
"sender": [],
"underride": [
{
"actions": [
"notify",
{
"set_tweak": "sound",
"value": "ring"
},
{
"set_tweak": "highlight",
"value": false
}
],
"conditions": [
{
"key": "type",
"kind": "event_match",
"pattern": "m.call.invite"
}
],
"default": true,
"enabled": true,
"rule_id": ".m.rule.call"
},
{
"actions": [
"notify",
{
"set_tweak": "sound",
"value": "default"
},
{
"set_tweak": "highlight"
}
],
"conditions": [
{
"kind": "contains_display_name"
}
],
"default": true,
"enabled": true,
"rule_id": ".m.rule.contains_display_name"
},
{
"actions": [
"notify",
{
"set_tweak": "sound",
"value": "default"
},
{
"set_tweak": "highlight",
"value": false
}
],
"conditions": [
{
"is": "2",
"kind": "room_member_count"
}
],
"default": true,
"enabled": true,
"rule_id": ".m.rule.room_one_to_one"
},
{
"actions": [
"notify",
{
"set_tweak": "sound",
"value": "default"
},
{
"set_tweak": "highlight",
"value": false
}
],
"conditions": [
{
"key": "type",
"kind": "event_match",
"pattern": "m.room.member"
},
{
"key": "content.membership",
"kind": "event_match",
"pattern": "invite"
},
{
"key": "state_key",
"kind": "event_match",
"pattern": "@alice:example.com"
}
],
"default": true,
"enabled": true,
"rule_id": ".m.rule.invite_for_me"
},
{
"actions": [
"notify",
{
"set_tweak": "highlight",
"value": false
}
],
"conditions": [
{
"key": "type",
"kind": "event_match",
"pattern": "m.room.member"
}
],
"default": true,
"enabled": true,
"rule_id": ".m.rule.member_event"
},
{
"actions": [
"notify",
{
"set_tweak": "highlight",
"value": false
}
],
"conditions": [
{
"key": "type",
"kind": "event_match",
"pattern": "m.room.message"
}
],
"default": true,
"enabled": true,
"rule_id": ".m.rule.message"
}
]
}
},
"type": "m.push_rules"
});
let _ =
from_json_value::<EventJson<PushRulesEvent>>(json_data).unwrap().deserialize().unwrap();
}
}