ruma_client_api/discovery/
discover_support.rs

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//! `GET /.well-known/matrix/support` ([spec])
//!
//! [spec]: https://spec.matrix.org/latest/client-server-api/#getwell-knownmatrixsupport
//!
//! Get server admin contact and support page of a homeserver's domain.

use ruma_common::{
    api::{request, response, Metadata},
    metadata,
    serde::StringEnum,
    OwnedUserId,
};
use serde::{Deserialize, Serialize};

use crate::PrivOwnedStr;

const METADATA: Metadata = metadata! {
    method: GET,
    rate_limited: false,
    authentication: None,
    history: {
        1.10 => "/.well-known/matrix/support",
    }
};

/// Request type for the `discover_support` endpoint.
#[request(error = crate::Error)]
#[derive(Default)]
pub struct Request {}

/// Response type for the `discover_support` endpoint.
#[response(error = crate::Error)]
pub struct Response {
    /// Ways to contact the server administrator.
    ///
    /// At least one of `contacts` or `support_page` is required. If only `contacts` is set, it
    /// must contain at least one item.
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub contacts: Vec<Contact>,

    /// The URL of a page to give users help specific to the homeserver, like extra
    /// login/registration steps.
    ///
    /// At least one of `contacts` or `support_page` is required.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub support_page: Option<String>,
}

impl Request {
    /// Creates an empty `Request`.
    pub fn new() -> Self {
        Self {}
    }
}

impl Response {
    /// Creates a new `Response` with the given contacts.
    pub fn with_contacts(contacts: Vec<Contact>) -> Self {
        Self { contacts, support_page: None }
    }

    /// Creates a new `Response` with the given support page.
    pub fn with_support_page(support_page: String) -> Self {
        Self { contacts: Vec::new(), support_page: Some(support_page) }
    }
}

/// A way to contact the server administrator.
#[derive(Clone, Debug, Deserialize, Serialize)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
pub struct Contact {
    /// An informal description of what the contact methods are used for.
    pub role: ContactRole,

    /// An email address to reach the administrator.
    ///
    /// At least one of `matrix_id` or `email_address` is required.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub email_address: Option<String>,

    /// A Matrix User ID representing the administrator.
    ///
    /// It could be an account registered on a different homeserver so the administrator can be
    /// contacted when the homeserver is down.
    ///
    /// At least one of `matrix_id` or `email_address` is required.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub matrix_id: Option<OwnedUserId>,
}

impl Contact {
    /// Creates a new `Contact` with the given role and email address.
    pub fn with_email_address(role: ContactRole, email_address: String) -> Self {
        Self { role, email_address: Some(email_address), matrix_id: None }
    }

    /// Creates a new `Contact` with the given role and Matrix User ID.
    pub fn with_matrix_id(role: ContactRole, matrix_id: OwnedUserId) -> Self {
        Self { role, email_address: None, matrix_id: Some(matrix_id) }
    }
}

/// An informal description of what the contact methods are used for.
#[doc = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/src/doc/string_enum.md"))]
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, StringEnum)]
#[ruma_enum(rename_all = "m.role.snake_case")]
#[non_exhaustive]
pub enum ContactRole {
    /// A catch-all role for any queries.
    Admin,

    /// A role intended for sensitive requests.
    Security,

    /// A role for moderation-related queries according to [MSC4121](https://github.com/matrix-org/matrix-spec-proposals/pull/4121).
    ///
    /// The future prefix for this if accepted will be `m.role.moderator`
    #[cfg(feature = "unstable-msc4121")]
    #[ruma_enum(rename = "support.feline.msc4121.role.moderator", alias = "m.role.moderator")]
    Moderator,

    #[doc(hidden)]
    _Custom(PrivOwnedStr),
}