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use anyhow::{anyhow, Context, Result};
use data_encoding::BASE64;
use macaroon::{Caveat, Macaroon, Verifier};
use std::path::PathBuf;
use std::str::FromStr;
mod api;
mod commands;
mod download;
mod entities;
mod search;
mod specifier;
pub use api::FatcatApiClient;
pub use commands::{
edit_entity_locally, print_changelog_entries, print_editgroups, print_entity_histories,
print_search_table, BatchGrouper, BatchOp, ClientStatus,
};
pub use download::{download_batch, download_file, download_release};
pub use entities::{
entity_model_from_json_str, read_entity_file, ApiEntityModel, ApiModelIdent, ApiModelSer,
Mutation,
};
pub use search::{crude_search, SearchResults};
pub use specifier::{EditgroupSpecifier, Specifier};
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub enum EntityType {
Release,
Work,
Container,
Creator,
File,
FileSet,
WebCapture,
}
impl FromStr for EntityType {
type Err = anyhow::Error;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"release" | "releases" => Ok(EntityType::Release),
"work" | "works" => Ok(EntityType::Work),
"container" | "containers" => Ok(EntityType::Container),
"creator" | "creators" => Ok(EntityType::Creator),
"file" | "files" => Ok(EntityType::File),
"fileset" | "filesets" => Ok(EntityType::FileSet),
"webcapture" | "webcaptures" => Ok(EntityType::WebCapture),
_ => Err(anyhow!("invalid entity type : {}", s)),
}
}
}
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub enum SearchEntityType {
Release,
Container,
File,
Scholar,
Reference,
ReferenceIn,
ReferenceOut,
}
impl FromStr for SearchEntityType {
type Err = anyhow::Error;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"release" | "releases" => Ok(SearchEntityType::Release),
"container" | "containers" => Ok(SearchEntityType::Container),
"file" | "files" => Ok(SearchEntityType::File),
"scholar" | "fulltext" => Ok(SearchEntityType::Scholar),
"ref" | "refs" | "references" => Ok(SearchEntityType::Reference),
"ref-in" | "refs-in" | "references-in" => Ok(SearchEntityType::ReferenceIn),
"ref-out" | "refs-out" | "references-out" => Ok(SearchEntityType::ReferenceOut),
_ => Err(anyhow!("invalid entity type : {}", s)),
}
}
}
/// Takes a macaroon token (as base64-encoded string) and tries to parse out an editor id
pub fn parse_macaroon_editor_id(s: &str) -> Result<String> {
let raw = BASE64
.decode(s.as_bytes())
.context("macaroon parsing failed")?;
let mac = Macaroon::deserialize(&raw)
.map_err(|err| anyhow!("macaroon deserialization failed: {:?}", err))?;
let mut verifier = Verifier::default();
let mut editor_id: Option<String> = None;
for caveat in mac.first_party_caveats() {
if let Caveat::FirstParty(fp) = caveat {
let predicate_str = String::from_utf8(fp.predicate().as_ref().to_vec())?;
if predicate_str.starts_with("editor_id = ") {
editor_id = Some(
predicate_str
.get(12..)
.context("parsing macaroon")?
.to_string(),
);
break;
}
}
}
let editor_id = match editor_id {
Some(id) => id,
None => return Err(anyhow!("expected an editor_id caveat in macaroon token")),
};
verifier.satisfy_exact(format!("editor_id = {}", editor_id).into());
Ok(editor_id)
}
pub fn path_or_stdin(raw: Option<PathBuf>) -> Option<PathBuf> {
// treat "-" as "use stdin"
match raw {
Some(s) if s.to_string_lossy() == "-" => None,
_ => raw,
}
}
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