feat(rpc): add https support

mm2src/mm2_core/Cargo.toml

@@ -29,4 +29,5 @@ gstuff = { version = "0.7", features = ["nightly"] }
 mm2_rpc = { path = "../mm2_rpc" }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
+futures-rustls = { version = "0.21.1" }
 gstuff = { version = "0.7", features = ["nightly"] }

mm2src/mm2_core/src/mm_ctx.rs

@@ -26,10 +26,12 @@ cfg_wasm32! {
 
 cfg_native! {
     use db_common::sqlite::rusqlite::Connection;
+    use futures_rustls::webpki::DNSNameRef;
     use mm2_metrics::prometheus;
     use mm2_metrics::MmMetricsError;
     use std::net::{IpAddr, SocketAddr, AddrParseError};
     use std::path::{Path, PathBuf};
+    use std::str::FromStr;
     use std::sync::MutexGuard;
 }
 
@@ -197,6 +199,52 @@ impl MmCtx {
         Ok(SocketAddr::new(ip, port as u16))
     }
 
+    /// Whether to use HTTPS for RPC server or not.
+    #[cfg(not(target_arch = "wasm32"))]
+    pub fn is_https(&self) -> bool { self.conf["https"].as_bool().unwrap_or(false) }
+
+    /// SANs for self-signed certificate generation.
+    #[cfg(not(target_arch = "wasm32"))]
+    pub fn alt_names(&self) -> Result<Vec<String>, String> {
+        // Helper function to validate `alt_names` entries
+        fn validate_alt_name(name: &str) -> Result<(), String> {
+            // Check if it is a valid IP address
+            if let Ok(ip) = IpAddr::from_str(name) {
+                if ip.is_unspecified() {
+                    return ERR!("IP address {} must be specified", ip);
+                }
+                return Ok(());
+            }
+
+            // Check if it is a valid DNS name
+            if DNSNameRef::try_from_ascii_str(name).is_ok() {
+                return Ok(());
+            }
+
+            ERR!(
+                "`alt_names` contains {} which is neither a valid IP address nor a valid DNS name",
+                name
+            )
+        }
+
+        if self.conf["alt_names"].is_null() {
+            // Default SANs
+            return Ok(vec!["localhost".to_string(), "127.0.0.1".to_string()]);
+        }
+
+        json::from_value(self.conf["alt_names"].clone())
+            .map_err(|e| format!("`alt_names` is not a valid JSON array of strings: {}", e))
+            .and_then(|names: Vec<String>| {
+                if names.is_empty() {
+                    return ERR!("alt_names is empty");
+                }
+                for name in &names {
+                    try_s!(validate_alt_name(name));
+                }
+                Ok(names)
+            })
+    }
+
     /// MM database path.  
     /// Defaults to a relative "DB".
     ///

mm2src/mm2_main/Cargo.toml

@@ -44,19 +44,20 @@ enum-primitive-derive = "0.2"
 futures01 = { version = "0.1", package = "futures" }
 futures = { version = "0.3.1", package = "futures", features = ["compat", "async-await"] }
 gstuff = { version = "0.7", features = ["nightly"] }
-mm2_gui_storage = { path = "../mm2_gui_storage" }
 hash256-std-hasher = "0.15.2"
 hash-db = "0.15.2"
 hex = "0.4.2"
 http = "0.2"
 hw_common = { path = "../hw_common" }
+instant = { version = "0.1.12" }
 itertools = "0.10"
 keys = { path = "../mm2_bitcoin/keys" }
 lazy_static = "1.4"
 # ledger = { path = "../ledger" }
 libc = "0.2"
 mm2_core = { path = "../mm2_core" }
 mm2_err_handle = { path = "../mm2_err_handle" }
+mm2_gui_storage = { path = "../mm2_gui_storage" }
 mm2_io = { path = "../mm2_io" }
 mm2-libp2p = { path = "../mm2_libp2p" }
 mm2_metrics = { path = "../mm2_metrics" }
@@ -90,7 +91,6 @@ sp-trie = { version = "6.0", default-features = false }
 trie-db = { version = "0.23.1", default-features = false }
 trie-root = "0.16.0"
 uuid = { version = "1.2.2", features = ["fast-rng", "serde", "v4"] }
-instant = { version = "0.1.12" }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 instant = { version = "0.1.12", features = ["wasm-bindgen"] }
@@ -106,6 +106,9 @@ web-sys = { version = "0.3.55", features = ["console"] }
 dirs = { version = "1" }
 futures-rustls = { version = "0.21.1" }
 hyper = { version = "0.14.26", features = ["client", "http2", "server", "tcp"] }
+rcgen = "0.10"
+rustls = { version = "0.20", default-features = false }
+rustls-pemfile = "1.0.2"
 tokio = { version = "1.20", features = ["io-util", "rt-multi-thread", "net"] }
 
 [target.'cfg(windows)'.dependencies]