forked from alemi/upub
53 lines
1.5 KiB
Rust
53 lines
1.5 KiB
Rust
use openssl::pkey::{PKey, Private};
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use reqwest::header::USER_AGENT;
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use sea_orm::{DatabaseConnection, EntityTrait, IntoActiveModel};
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use crate::{VERSION, model};
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#[derive(Debug, thiserror::Error)]
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pub enum FetchError {
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#[error("could not dereference resource: {0}")]
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Network(#[from] reqwest::Error),
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#[error("error operating on database: {0}")]
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Database(#[from] sea_orm::DbErr),
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#[error("missing field when constructing object: {0}")]
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Field(#[from] model::FieldError),
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}
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pub struct Fetcher {
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db: DatabaseConnection,
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_key: PKey<Private>, // TODO store pre-parsed
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domain: String, // TODO merge directly with Context so we don't need to copy this
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}
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impl Fetcher {
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pub fn new(db: DatabaseConnection, domain: String, key: String) -> Self {
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Fetcher { db, domain, _key: PKey::private_key_from_pem(key.as_bytes()).unwrap() }
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}
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pub async fn user(&self, id: &str) -> Result<model::user::Model, FetchError> {
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if let Some(x) = model::user::Entity::find_by_id(id).one(&self.db).await? {
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return Ok(x); // already in db, easy
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}
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// TODO sign http fetches, we got the app key and db to get user keys just in case
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tracing::info!("fetching {id}");
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let user = reqwest::Client::new()
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.get(id)
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.header(USER_AGENT, format!("upub+{VERSION} ({})", self.domain)) // TODO put instance admin email
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.send()
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.await?
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.json::<serde_json::Value>()
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.await?;
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let user_model = model::user::Model::new(&user)?;
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model::user::Entity::insert(user_model.clone().into_active_model())
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.exec(&self.db).await?;
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Ok(user_model)
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}
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}
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