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use std::collections::HashMap;
use std::fmt::{self, Display};
use std::sync::Arc;
use crate::config::{
CliOptions, CustomExtensions, ExtensionBundles, HostCollections, Hosts, Result,
};
use kvarn::prelude::{CompactString, ToCompactString};
use log::info;
use serde::{Deserialize, Serialize};
#[derive(Debug, Serialize, Deserialize)]
#[serde(deny_unknown_fields)]
pub enum HostSource {
Collection(String),
Hosts(Vec<String>),
Host(String),
All,
}
impl HostSource {
pub async fn resolve(
self,
host_collections: &HostCollections,
hosts: &Hosts,
exts: &ExtensionBundles,
custom_exts: &CustomExtensions,
opts: &CliOptions<'_>,
) -> Result<Arc<kvarn::host::Collection>> {
match self {
HostSource::Collection(name) => host_collections
.get(name.as_str())
.cloned()
.ok_or_else(|| format!("Didn't find a host collection with name {name}.")),
HostSource::Hosts(source) => {
let collection = crate::config::construct_collection(
source.into_iter().map(CompactString::from).collect(),
hosts,
exts,
custom_exts,
opts,
)
.await?;
Ok(collection)
}
HostSource::Host(source) => {
let collection = crate::config::construct_collection(
vec![source.to_compact_string()],
hosts,
exts,
custom_exts,
opts,
)
.await?;
Ok(collection)
}
HostSource::All => {
let collection = crate::config::construct_collection(
hosts.keys().cloned().collect(),
hosts,
exts,
custom_exts,
opts,
)
.await?;
Ok(collection)
}
}
}
}
#[derive(Debug, Serialize, Deserialize)]
#[serde(deny_unknown_fields)]
pub struct PortMapEntry {
encrypted: bool,
source: HostSource,
}
#[derive(Debug, Serialize, Deserialize)]
#[serde(deny_unknown_fields)]
pub enum PortsKind {
Map(HashMap<u16, PortMapEntry>),
Standard(HostSource),
HttpsOnly(HostSource),
HttpOnly(HostSource),
}
impl PortsKind {
pub async fn resolve(
self,
host_collections: &HostCollections,
hosts: &Hosts,
exts: &ExtensionBundles,
custom_exts: &CustomExtensions,
opts: &CliOptions<'_>,
) -> Result<Vec<kvarn::PortDescriptor>> {
enum NPorts<'a> {
One(u16),
Several(&'a [u16]),
}
impl<'a> Display for NPorts<'a> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
NPorts::One(port) => write!(f, "port {port}"),
NPorts::Several(v) => {
write!(f, "ports ")?;
for port in v.get(0..v.len() - 1).unwrap_or(&[]) {
write!(f, "{port}, ")?;
}
if let Some(port) = v.last() {
write!(f, "{port}")?;
}
Ok(())
}
}
}
}
let log_bind = |source: &HostSource, port: NPorts| {
match source {
HostSource::Collection(name) => {
info!("Bind host collection \"{name}\" to {port}")
}
HostSource::Hosts(hosts) => info!("Bind hosts {hosts:?} to {port}"),
HostSource::Host(host) => info!("Bind host collection \"{host}\" to {port}"),
HostSource::All => info!("Binding all hosts to {port}"),
};
};
match self {
PortsKind::Map(map) => {
let mut v = Vec::with_capacity(map.len());
for (port, entry) in map {
log_bind(&entry.source, NPorts::One(port));
let descriptor = if entry.encrypted {
kvarn::PortDescriptor::new(
port,
entry
.source
.resolve(host_collections, hosts, exts, custom_exts, opts)
.await?,
)
} else {
kvarn::PortDescriptor::unsecure(
port,
entry
.source
.resolve(host_collections, hosts, exts, custom_exts, opts)
.await?,
)
};
v.push(descriptor);
}
Ok(v)
}
PortsKind::Standard(source) => {
let ports = if opts.high_ports {
&[8080, 8443]
} else {
&[80, 443]
};
log_bind(&source, NPorts::Several(ports));
let collection = source
.resolve(host_collections, hosts, exts, custom_exts, opts)
.await?;
let v = vec![
kvarn::PortDescriptor::unsecure(ports[0], collection.clone()),
kvarn::PortDescriptor::new(ports[1], collection),
];
Ok(v)
}
PortsKind::HttpsOnly(source) => {
let port = if opts.high_ports { 8443 } else { 443 };
log_bind(&source, NPorts::One(port));
let collection = source
.resolve(host_collections, hosts, exts, custom_exts, opts)
.await?;
let v = vec![kvarn::PortDescriptor::new(port, collection)];
Ok(v)
}
PortsKind::HttpOnly(source) => {
let port = if opts.high_ports { 8080 } else { 80 };
log_bind(&source, NPorts::One(port));
let collection = source
.resolve(host_collections, hosts, exts, custom_exts, opts)
.await?;
let v = vec![kvarn::PortDescriptor::unsecure(port, collection)];
Ok(v)
}
}
}
}