alemi
e63433b77b
just like /objects/{id}/replies, makes easier composing urls, and also
more correct: context is not something we serve, but instead some
reference associated to objects
52 lines
1.4 KiB
Rust
52 lines
1.4 KiB
Rust
use base64::Engine;
|
|
|
|
#[derive(Clone, Copy)]
|
|
pub enum UriClass {
|
|
Actor,
|
|
Object,
|
|
Activity,
|
|
}
|
|
|
|
impl AsRef<str> for UriClass {
|
|
fn as_ref(&self) -> &str {
|
|
match self {
|
|
Self::Actor => "actors",
|
|
Self::Object => "objects",
|
|
Self::Activity => "activities",
|
|
}
|
|
}
|
|
}
|
|
|
|
/// unpack uri in id if valid, otherwise compose full uri with "{base}/{entity}/{id}"
|
|
pub fn uri(base: &str, entity: UriClass, id: &str) -> String {
|
|
if id.starts_with("https://") || id.starts_with("http://") {
|
|
return id.to_string();
|
|
}
|
|
|
|
if id.starts_with('+') { // ready-to-use base64-encoded id
|
|
if let Ok(bytes) = base64::prelude::BASE64_URL_SAFE_NO_PAD.decode(id.replacen('+', "", 1)) {
|
|
if let Ok(uri) = std::str::from_utf8(&bytes) {
|
|
return uri.to_string();
|
|
}
|
|
}
|
|
}
|
|
|
|
format!("{}/{}/{}", base, entity.as_ref(), id)
|
|
}
|
|
|
|
/// decompose local id constructed by uri() fn
|
|
pub fn decompose_id(full_id: &str) -> String {
|
|
full_id // https://example.org/actors/test/followers/page?offset=42
|
|
.replace("https://", "")
|
|
.replace("http://", "")
|
|
.split('/') // ['example.org', 'actors', 'test', 'followers', 'page?offset=42' ]
|
|
.nth(2) // 'test'
|
|
.unwrap_or("")
|
|
.to_string()
|
|
}
|
|
|
|
/// encode with base64 remote url and prefix it with +
|
|
pub fn compact_id(uri: &str) -> String {
|
|
let encoded = base64::prelude::BASE64_URL_SAFE_NO_PAD.encode(uri.as_bytes());
|
|
format!("+{encoded}")
|
|
}
|