From b1937d42a2781840b3565f73370a12e2529f8d88 Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Wed, 10 Apr 2024 21:03:05 +0200
Subject: [PATCH] Create a basic API client

---
 virtweb_backend/examples/api_curl.rs | 66 ++++++++++++++++++++++++++++
 virtweb_backend/src/api_tokens.rs    | 16 +++++++
 2 files changed, 82 insertions(+)
 create mode 100644 virtweb_backend/examples/api_curl.rs

diff --git a/virtweb_backend/examples/api_curl.rs b/virtweb_backend/examples/api_curl.rs
new file mode 100644
index 0000000..cf363b8
--- /dev/null
+++ b/virtweb_backend/examples/api_curl.rs
@@ -0,0 +1,66 @@
+use clap::Parser;
+use std::os::unix::prelude::CommandExt;
+use std::process::Command;
+use std::str::FromStr;
+use virtweb_backend::api_tokens::TokenVerb;
+use virtweb_backend::extractors::api_auth_extractor::TokenClaims;
+use virtweb_backend::utils::jwt_utils::{sign_jwt, TokenPrivKey};
+use virtweb_backend::utils::time_utils::time;
+
+/// curl wrapper to query Virtweb backend API
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+struct Args {
+    /// URL of VirtWeb
+    #[arg(short('u'), long, env, default_value = "http://localhost:8000")]
+    virtweb_url: String,
+
+    /// Token ID
+    #[arg(short('i'), long, env)]
+    token_id: String,
+
+    /// Token private key
+    #[arg(short('t'), long, env)]
+    token_key: String,
+
+    /// Request verb
+    #[arg(short('X'), long, default_value = "GET")]
+    verb: String,
+
+    /// Request URI
+    uri: String,
+
+    /// Command line arguments to pass to cURL
+    #[clap(trailing_var_arg = true, allow_hyphen_values = true)]
+    run: Vec<String>,
+}
+
+fn main() {
+    let args = Args::parse();
+
+    let full_url = format!("{}{}", args.virtweb_url, args.uri);
+    log::debug!("Full URL: {full_url}");
+
+    let key = TokenPrivKey::ES384 {
+        r#priv: args.token_key,
+    };
+    let claims = TokenClaims {
+        sub: args.token_id.to_string(),
+        iat: time() as usize,
+        exp: time() as usize + 50,
+        verb: TokenVerb::from_str(&args.verb).expect("Invalid request verb!"),
+        path: args.uri,
+        nonce: uuid::Uuid::new_v4().to_string(),
+    };
+
+    let jwt = sign_jwt(&key, &claims).expect("Failed to sign JWT!");
+
+    Command::new("curl")
+        .args(["-X", &args.verb])
+        .args(["-H", &format!("x-token-id: {}", args.token_id)])
+        .args(["-H", &format!("x-token-content: {jwt}")])
+        .args(args.run)
+        .arg(full_url)
+        .exec();
+    panic!("Failed to run curl!")
+}
diff --git a/virtweb_backend/src/api_tokens.rs b/virtweb_backend/src/api_tokens.rs
index f71342d..31dacdc 100644
--- a/virtweb_backend/src/api_tokens.rs
+++ b/virtweb_backend/src/api_tokens.rs
@@ -7,6 +7,7 @@ use crate::utils::jwt_utils::{TokenPrivKey, TokenPubKey};
 use crate::utils::time_utils::time;
 use actix_http::Method;
 use std::path::Path;
+use std::str::FromStr;
 
 #[derive(serde::Serialize, serde::Deserialize, Clone, Copy, Debug)]
 pub struct TokenID(pub uuid::Uuid);
@@ -95,6 +96,21 @@ impl TokenVerb {
     }
 }
 
+impl FromStr for TokenVerb {
+    type Err = ();
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s {
+            "GET" => Ok(TokenVerb::GET),
+            "POST" => Ok(TokenVerb::POST),
+            "PUT" => Ok(TokenVerb::PUT),
+            "PATCH" => Ok(TokenVerb::PATCH),
+            "DELETE" => Ok(TokenVerb::DELETE),
+            _ => Err(()),
+        }
+    }
+}
+
 /// Structure used to create a token
 #[derive(serde::Serialize, serde::Deserialize, Debug, Clone)]
 pub struct NewToken {