Parse base64 vmess uri

Cargo.lock

@@ -59,6 +59,12 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
 [[package]]
 name = "bytes"
 version = "1.10.1"
@@ -275,6 +281,7 @@ checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 name = "v2parser"
 version = "0.1.1"
 dependencies = [
+ "base64",
  "clap",
  "http",
  "querystring",

Cargo.toml

@@ -6,6 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+base64 = "0.22.1"
 clap = { version = "4.4.6", features = ["derive"] }
 http = "1.3.1"
 querystring = "1.1.0"

src/config_models/mod.rs

@@ -6,6 +6,7 @@ pub struct VlessUser {
     pub encryption: Option<String>,
     pub flow: Option<String>,
     pub level: Option<u8>,
+    pub security: Option<String>,
 }
 
 #[derive(Serialize, Deserialize)]
@@ -186,6 +187,7 @@ pub struct Config {
 #[allow(non_snake_case)]
 pub struct RawData {
     pub security: Option<String>,
+    pub vnext_security: Option<String>,
     pub sni: Option<String>,
     pub fp: Option<String>,
     pub pbk: Option<String>,

src/parser/vless/data.rs

@@ -35,6 +35,7 @@ pub fn get_data(uri: &str) -> RawData {
         key: get_parameter_value(&query, "key"),
         mode: url_decode(get_parameter_value(&query, "mode")),
         service_name: url_decode(get_parameter_value(&query, "serviceName")),
+        vnext_security: None,
         slpn: get_parameter_value(&query, "slpn"),
         spx: url_decode(get_parameter_value(&query, "spx")),
         extra: url_decode(get_parameter_value(&query, "extra")),

src/parser/vless/mod.rs

@@ -12,6 +12,7 @@ pub fn create_outbound_settings(data: &RawData) -> OutboundSettings {
                 flow: data.flow.clone(),
                 encryption: Some(data.encryption.clone().unwrap_or(String::from("none"))),
                 level: Some(0),
+                security: None,
             }]),
         }],
     });

src/parser/vmess/data.rs

@@ -1,11 +1,70 @@
 use crate::config_models::RawData;
 use crate::parser::vmess::models::{self, VmessAddress};
 use crate::utils::{get_parameter_value, url_decode};
+use base64::{engine::general_purpose, Engine};
 use http::Uri;
+use serde_json::Value;
 
 pub fn get_data(uri: &str) -> RawData {
     let data = uri.split_once("vmess://").unwrap().1;
+
+    return match general_purpose::STANDARD.decode(data) {
+        Ok(decoded) => get_raw_data_from_base64(&decoded),
+        Err(_) => get_raw_data_from_uri(data),
+    };
+}
+
+fn get_raw_data_from_base64(decoded_base64: &Vec<u8>) -> RawData {
+    let json_str = std::str::from_utf8(decoded_base64).unwrap();
+    let json = serde_json::from_str::<Value>(json_str).unwrap();
+
+    return RawData {
+        uuid: get_str_field(&json, "id"),
+        port: get_str_field(&json, "port")
+            .and_then(|s| Some(s.parse::<u16>().expect("port is not a number"))),
+        address: get_str_field(&json, "add"),
+        alpn: url_decode(get_str_field(&json, "alpn")),
+        path: url_decode(get_str_field(&json, "path")),
+        authority: url_decode(get_str_field(&json, "host")),
+        // this probably does not exist in vmess uri
+        pbk: url_decode(get_str_field(&json, "pbk")),
+        security: get_str_field(&json, "tls"),
+        vnext_security: get_str_field(&json, "scy"),
+        // this probably does not exist in vmess uri
+        sid: url_decode(get_str_field(&json, "pbk")),
+        // this probably does not exist in vmess uri
+        flow: url_decode(get_str_field(&json, "flow")),
+        sni: get_str_field(&json, "sni"),
+        fp: url_decode(get_str_field(&json, "fp")),
+        r#type: url_decode(get_str_field(&json, "net")),
+        encryption: None,
+        header_type: url_decode(get_str_field(&json, "type")),
+        host: url_decode(get_str_field(&json, "host")),
+        // this probably does not exist in vmess uri
+        seed: url_decode(get_str_field(&json, "seed")),
+        quic_security: None,
+        key: None,
+        mode: url_decode(get_str_field(&json, "type")),
+        service_name: url_decode(get_str_field(&json, "path")),
+        // this probably does not exist in vmess uri
+        slpn: url_decode(get_str_field(&json, "slpn")),
+        // this probably does not exist in vmess uri
+        spx: url_decode(get_str_field(&json, "spx")),
+        // this probably does not exist in vmess uri
+        extra: url_decode(get_str_field(&json, "extra")),
+        // this probably does not exist in vmess uri
+        allowInsecure: None,
+    };
+}
+
+fn get_str_field(json: &Value, field: &str) -> Option<String> {
+    return json.get(field).and_then(|v| v.as_str()).map(String::from);
+}
+
+fn get_raw_data_from_uri(uri: &str) -> RawData {
+    let data = uri.split_once("vmess://").unwrap().1;
     let query_and_name = uri.split_once("?").unwrap().1;
+
     let raw_query = query_and_name
         .split_once("#")
         .unwrap_or((query_and_name, ""))
@@ -35,6 +94,7 @@ pub fn get_data(uri: &str) -> RawData {
         key: get_parameter_value(&query, "key"),
         mode: url_decode(get_parameter_value(&query, "mode")),
         service_name: url_decode(get_parameter_value(&query, "serviceName")),
+        vnext_security: None,
         slpn: get_parameter_value(&query, "slpn"),
         spx: url_decode(get_parameter_value(&query, "spx")),
         extra: url_decode(get_parameter_value(&query, "extra")),
@@ -45,7 +105,7 @@ pub fn get_data(uri: &str) -> RawData {
 fn parse_vmess_address(raw_data: &str) -> VmessAddress {
     let (uuid, raw_address): (String, &str) = match raw_data.split_once("@") {
         None => {
-            panic!("Wrong vmess format, no `@` found in the address");
+            panic!("Wrong vmess format, no `@` found in the address and it was not a valid base64");
         }
         Some(data) => (String::from(data.0), data.1),
     };

src/parser/vmess/mod.rs

@@ -12,6 +12,7 @@ pub fn create_outbound_settings(data: &RawData) -> OutboundSettings {
                 flow: data.flow.clone(),
                 encryption: Some(data.encryption.clone().unwrap_or(String::from("none"))),
                 level: Some(0),
+                security: data.vnext_security.clone(),
             }]),
         }],
     });