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| The runner base keeps its old comment, so the pushed base image still matches its folder | 1 | //! Calling outside systems. Every answer comes back as a status and a body, |
| 2 | //! so each provider decides what a refusal means. | |
| 3 | ||
| 4 | use serde_json::Value; | |
| 5 | use worker::{Fetch, Headers, Method, Request, RequestInit, Result}; | |
| 6 | ||
| 7 | pub struct Answer { | |
| 8 | pub status: u16, | |
| 9 | pub body: String, | |
| 10 | } | |
| 11 | ||
| 12 | impl Answer { | |
| 13 | pub fn ok(&self) -> bool { | |
| 14 | (200..300).contains(&self.status) | |
| 15 | } | |
| 16 | ||
| 17 | pub fn json(&self) -> Value { | |
| 18 | serde_json::from_str(&self.body).unwrap_or(Value::Null) | |
| 19 | } | |
| 20 | ||
| 21 | /// What went wrong, briefly, for a person to read. | |
| 22 | pub fn problem(&self, system: &str) -> String { | |
| 23 | let said = self.json(); | |
| 24 | let message = said["message"] | |
| 25 | .as_str() | |
| 26 | .or_else(|| said["detail"].as_str()) | |
| 27 | .or_else(|| said["error"]["message"].as_str()) | |
| 28 | .or_else(|| said["errorMessages"][0].as_str()) | |
| 29 | .or_else(|| said["errors"][0]["message"].as_str()) | |
| 30 | .map(str::to_owned) | |
| 31 | .unwrap_or_else(|| self.body.chars().take(200).collect()); | |
| 32 | match self.status { | |
| 33 | 401 => format!("{system} did not accept the credentials ({message})."), | |
| 34 | 403 => format!("{system} refused: the credentials cannot do this ({message})."), | |
| 35 | 404 => format!("{system} has nothing there ({message})."), | |
| 36 | status => format!("{system} answered {status}: {message}"), | |
| 37 | } | |
| 38 | } | |
| 39 | } | |
| 40 | ||
| 41 | pub async fn send(method: Method, url: &str, headers: &[(&str, &str)], body: Option<String>) -> Result<Answer> { | |
| 42 | let sent = Headers::new(); | |
| 43 | sent.set("user-agent", "g1t (+https://g1t.sh)")?; | |
| 44 | sent.set("accept", "application/json")?; | |
| 45 | for (name, value) in headers { | |
| 46 | sent.set(name, value)?; | |
| 47 | } | |
| 48 | if body.is_some() && !headers.iter().any(|(name, _)| name.eq_ignore_ascii_case("content-type")) { | |
| 49 | sent.set("content-type", "application/json")?; | |
| 50 | } | |
| 51 | let mut init = RequestInit::new(); | |
| 52 | init.with_method(method).with_headers(sent); | |
| 53 | if let Some(body) = body { | |
| 54 | init.with_body(Some(body.into())); | |
| 55 | } | |
| 56 | let mut response = Fetch::Request(Request::new_with_init(url, &init)?).send().await?; | |
| 57 | Ok(Answer { | |
| 58 | status: response.status_code(), | |
| 59 | body: response.text().await.unwrap_or_default(), | |
| 60 | }) | |
| 61 | } | |
| 62 | ||
| 63 | /// `text`, cut to `max` characters at a line break where one is near. | |
| 64 | pub fn shorten(text: &str, max: usize) -> String { | |
| 65 | if text.chars().count() <= max { | |
| 66 | return text.to_owned(); | |
| 67 | } | |
| 68 | let cut: String = text.chars().take(max).collect(); | |
| 69 | let at = cut.rfind('\n').filter(|at| *at > max / 2).unwrap_or(cut.len()); | |
| 70 | format!("{}\n\n…", cut[..at].trim_end()) | |
| 71 | } |
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