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|
use anyhow::anyhow;
pub use anyhow::Result;
use reqwest::header;
use serde_json::Value;
use std::collections::HashMap;
use std::str::FromStr;
use std::time::Duration;
static APP_USER_AGENT: &str = concat!(env!("CARGO_PKG_NAME"), "/", env!("CARGO_PKG_VERSION"),);
#[derive(Debug, PartialEq, Eq, Clone)]
pub enum XrpcMethod {
Get,
Post,
}
impl FromStr for XrpcMethod {
type Err = anyhow::Error;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"get" => Ok(XrpcMethod::Get),
"post" => Ok(XrpcMethod::Post),
_ => Err(anyhow!("unknown method: {}", s)),
}
}
}
pub struct XrpcClient {
http_client: reqwest::blocking::Client,
host: String,
}
impl XrpcClient {
pub fn new(host: String, auth_token: Option<String>) -> Result<Self> {
let mut headers = header::HeaderMap::new();
if let Some(token) = &auth_token {
let mut auth_value = header::HeaderValue::from_str(&format!("Bearer {}", token))?;
auth_value.set_sensitive(true);
headers.insert(header::AUTHORIZATION, auth_value);
};
let http_client = reqwest::blocking::Client::builder()
.default_headers(headers)
.user_agent(APP_USER_AGENT)
.timeout(Duration::from_secs(30))
//.danger_accept_invalid_certs(true)
.build()
.expect("ERROR :: Could not build reqwest client");
Ok(XrpcClient { http_client, host })
}
pub fn get(
&self,
nsid: &str,
params: Option<HashMap<String, String>>,
) -> Result<Option<Value>> {
let params: HashMap<String, String> = params.unwrap_or(HashMap::new());
let res = self
.http_client
.get(format!("{}/xrpc/{}", self.host, nsid))
.query(¶ms)
.send()?;
if res.status() == 400 {
let val: Value = res.json()?;
return Err(anyhow!(
"XRPC Bad Request: {}",
val["message"].as_str().unwrap_or("unknown")
));
}
let res = res.error_for_status()?;
Ok(res.json()?)
}
pub fn get_to_writer<W: std::io::Write>(
&self,
nsid: &str,
params: Option<HashMap<String, String>>,
output: &mut W,
) -> Result<u64> {
let params: HashMap<String, String> = params.unwrap_or(HashMap::new());
let res = self
.http_client
.get(format!("{}/xrpc/{}", self.host, nsid))
.query(¶ms)
.send()?;
if res.status() == 400 {
let val: Value = res.json()?;
return Err(anyhow!(
"XRPC Bad Request: {}",
val["message"].as_str().unwrap_or("unknown")
));
}
let mut res = res.error_for_status()?;
Ok(res.copy_to(output)?)
}
pub fn post(
&self,
nsid: &str,
params: Option<HashMap<String, String>>,
body: Value,
) -> Result<Option<Value>> {
let params: HashMap<String, String> = params.unwrap_or(HashMap::new());
let res = self
.http_client
.post(format!("{}/xrpc/{}", self.host, nsid))
.query(¶ms)
.json(&body)
.send()?;
if res.status() == 400 {
let val: Value = res.json()?;
return Err(anyhow!(
"XRPC Bad Request: {}",
val["message"].as_str().unwrap_or("unknown")
));
}
let res = res.error_for_status()?;
Ok(res.json()?)
}
pub fn post_cbor_from_reader<R: std::io::Read>(
&self,
nsid: &str,
params: Option<HashMap<String, String>>,
input: &mut R,
) -> Result<Option<Value>> {
let params: HashMap<String, String> = params.unwrap_or(HashMap::new());
let mut buf: Vec<u8> = Vec::new();
input.read_to_end(&mut buf)?;
let res = self
.http_client
.post(format!("{}/xrpc/{}", self.host, nsid))
.query(¶ms)
.header(reqwest::header::CONTENT_TYPE, "application/cbor")
.body(buf)
.send()?;
if res.status() == 400 {
let val: Value = res.json()?;
return Err(anyhow!(
"XRPC Bad Request: {}",
val["message"].as_str().unwrap_or("unknown")
));
}
let res = res.error_for_status()?;
Ok(res.json()?)
}
// reqwest::blocking::Body
}
/// Tries to parse a DID internal identifier from a JWT (as base64-encoded token)
pub fn parse_did_from_jwt(jwt: &str) -> Result<String> {
let second_b64 = jwt.split(".").nth(1).ok_or(anyhow!("couldn't parse JWT"))?;
let second_json: Vec<u8> = base64::decode_config(second_b64, base64::URL_SAFE)?;
let obj: Value = serde_json::from_slice(&second_json)?;
let did = obj["sub"]
.as_str()
.ok_or(anyhow!("couldn't find DID subject in JWT"))?
.to_string();
if !did.starts_with("did:") {
return Err(anyhow!("couldn't find DID subject in JWT"));
}
Ok(did)
}
#[test]
fn test_parse_jwt() {
assert!(parse_did_from_jwt(".").is_err());
assert_eq!(
parse_did_from_jwt("eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJkaWQ6cGxjOmV4M3NpNTI3Y2QyYW9nYnZpZGtvb296YyIsImlhdCI6MTY2NjgyOTM5M30.UvZgTqvaJICONa1wIUT1bny7u3hqVAqWhWy3qeuyZrE").unwrap(),
"did:plc:ex3si527cd2aogbvidkooozc",
);
assert!(parse_did_from_jwt("eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9").is_err());
}
// TODO: parse at-uri
// at://did:plc:ltk4reuh7rkoy2frnueetpb5/app.bsky.follow/3jg23pbmlhc2a
|
