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// zotapi - Rust wrapper for Sot API as implemented by Hubzilla
// Copyright (C) 2018 Harald Eilertsen <haraldei@anduin.net>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
extern crate reqwest;
extern crate serde;
use reqwest::{
header::{Accept, ContentType, qitem},
mime,
StatusCode,
};
use serde::Serialize;
use std::io::Read;
const ZOTAPI_CHANNEL_STREAM_PATH : &str = "/api/z/1.0/channel/stream";
const ZOTAPI_NETWORK_STREAM_PATH : &str = "/api/z/1.0/network/stream";
const ZOTAPI_ITEM_UPDATE_PATH : &str = "/api/z/1.0/item/update";
#[derive(Debug)]
pub enum Error {
Http(reqwest::Error),
Io(std::io::Error),
Unauthorized,
Unknown,
}
impl From<reqwest::Error> for Error {
fn from(e: reqwest::Error) -> Error {
Error::Http(e)
}
}
impl From<std::io::Error> for Error {
fn from(e: std::io::Error) -> Error {
Error::Io(e)
}
}
pub struct ItemBuilder<'a> {
client : &'a Client,
body: &'a str,
}
impl<'a> ItemBuilder<'a> {
fn new(client: &'a Client) -> ItemBuilder<'a> {
ItemBuilder {
client: client,
body: "",
}
}
pub fn body(&mut self, text: &'a str) -> &mut ItemBuilder<'a> {
self.body = text;
self
}
pub fn create(&self) -> Result<String, Error> {
self.client.post_data(ZOTAPI_ITEM_UPDATE_PATH, &[("body", self.body)])
}
}
pub struct Client {
inner: reqwest::Client,
base_url: String,
user: String,
pw: String,
}
impl Client {
pub fn channel_stream(&self) -> Result<String, Error> {
self.fetch_stream(ZOTAPI_CHANNEL_STREAM_PATH)
}
pub fn network_stream(&self) -> Result<String, Error> {
self.fetch_stream(ZOTAPI_NETWORK_STREAM_PATH)
}
pub fn item(&self) -> ItemBuilder {
ItemBuilder::new(self)
}
fn url(&self, path: &str) -> String {
self.base_url.clone() + path
}
fn fetch_stream(&self, path: &str) -> Result<String, Error> {
let url = self.url(path);
let mut res = self.inner.get(&url)
.header(Accept(vec![qitem(mime::APPLICATION_JSON)]))
.basic_auth(self.user.clone(), Some(self.pw.clone()))
.send()?;
match res.status() {
StatusCode::Unauthorized => Err(Error::Unauthorized),
StatusCode::Ok => {
let mut body = String::new();
res.read_to_string(&mut body)?;
Ok(body)
},
_ => Err(Error::Unknown)
}
}
fn post_data<T>(&self, path: &str, data: &T) -> Result<String, Error>
where T: Serialize,
{
let url = self.url(path);
let mut res = self.inner.post(&url)
.header(Accept(vec![qitem(mime::APPLICATION_JSON)]))
.header(ContentType::form_url_encoded())
.basic_auth(self.user.clone(), Some(self.pw.clone()))
.form(&data)
.send()?;
match res.status() {
StatusCode::Unauthorized => Err(Error::Unauthorized),
StatusCode::Ok => {
let mut body = String::new();
res.read_to_string(&mut body)?;
Ok(body)
},
_ => Err(Error::Unknown)
}
}
}
pub fn client(url: &str, user: &str, pw: &str) -> Client
{
Client {
inner: reqwest::Client::new(),
base_url: String::from(url),
user: String::from(user),
pw: String::from(pw),
}
}
#[cfg(test)]
mod tests {
#[test]
fn it_works() {
assert_eq!(2 + 2, 4);
}
}
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