Add Sign Up functionality to desktop app (#5244)

# Description of Changes
Adds Sign Up with email to desktop app. SSO sign up will come in a
future PR.

frontend/src-tauri/Cargo.lock

@@ -589,6 +589,26 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "const-random"
+version = "0.1.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87e00182fe74b066627d63b85fd550ac2998d4b0bd86bfed477a0ae4c7c71359"
+dependencies = [
+ "const-random-macro",
+]
+
+[[package]]
+name = "const-random-macro"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9d839f2a20b0aee515dc581a6172f2321f96cab76c1a38a4c584a194955390e"
+dependencies = [
+ "getrandom 0.2.16",
+ "once_cell",
+ "tiny-keccak",
+]
+
 [[package]]
 name = "convert_case"
 version = "0.4.0"
@@ -716,6 +736,12 @@ version = "0.8.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
 
+[[package]]
+name = "crunchy"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "460fbee9c2c2f33933d720630a6a0bac33ba7053db5344fac858d4b8952d77d5"
+
 [[package]]
 name = "crypto-common"
 version = "0.1.6"
@@ -908,6 +934,15 @@ dependencies = [
  "syn 2.0.108",
 ]
 
+[[package]]
+name = "dlv-list"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "442039f5147480ba31067cb00ada1adae6892028e40e45fc5de7b7df6dcc1b5f"
+dependencies = [
+ "const-random",
+]
+
 [[package]]
 name = "document-features"
 version = "0.2.12"
@@ -1626,6 +1661,12 @@ dependencies = [
  "ahash",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.14.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+
 [[package]]
 name = "hashbrown"
 version = "0.16.0"
@@ -2820,6 +2861,16 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"
 
+[[package]]
+name = "ordered-multimap"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49203cdcae0030493bad186b28da2fa25645fa276a51b6fec8010d281e02ef79"
+dependencies = [
+ "dlv-list",
+ "hashbrown 0.14.5",
+]
+
 [[package]]
 name = "ordered-stream"
 version = "0.2.0"
@@ -3651,6 +3702,16 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "rust-ini"
+version = "0.21.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "796e8d2b6696392a43bea58116b667fb4c29727dc5abd27d6acf338bb4f688c7"
+dependencies = [
+ "cfg-if",
+ "ordered-multimap",
+]
+
 [[package]]
 name = "rust_decimal"
 version = "1.39.0"
@@ -4256,6 +4317,7 @@ dependencies = [
  "sha2",
  "tauri",
  "tauri-build",
+ "tauri-plugin-deep-link",
  "tauri-plugin-fs",
  "tauri-plugin-http",
  "tauri-plugin-log",
@@ -4615,6 +4677,27 @@ dependencies = [
  "walkdir",
 ]
 
+[[package]]
+name = "tauri-plugin-deep-link"
+version = "2.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e82759f7c7d51de3cbde51c04b3f2332de52436ed84541182cd8944b04e9e73"
+dependencies = [
+ "dunce",
+ "plist",
+ "rust-ini",
+ "serde",
+ "serde_json",
+ "tauri",
+ "tauri-plugin",
+ "tauri-utils",
+ "thiserror 2.0.17",
+ "tracing",
+ "url",
+ "windows-registry",
+ "windows-result 0.3.4",
+]
+
 [[package]]
 name = "tauri-plugin-fs"
 version = "2.4.4"
@@ -4735,6 +4818,7 @@ dependencies = [
  "serde",
  "serde_json",
  "tauri",
+ "tauri-plugin-deep-link",
  "thiserror 2.0.17",
  "tracing",
  "windows-sys 0.60.2",
@@ -4954,6 +5038,15 @@ dependencies = [
  "time-core",
 ]
 
+[[package]]
+name = "tiny-keccak"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c9d3793400a45f954c52e73d068316d76b6f4e36977e3fcebb13a2721e80237"
+dependencies = [
+ "crunchy",
+]
+
 [[package]]
 name = "tiny_http"
 version = "0.12.0"

frontend/src-tauri/Cargo.toml

@@ -29,9 +29,10 @@ tauri-plugin-log = "2.0.0-rc"
 tauri-plugin-shell = "2.1.0"
 tauri-plugin-fs = "2.4.4"
 tauri-plugin-http = "2.4.4"
-tauri-plugin-single-instance = "2.0.1"
+tauri-plugin-single-instance = { version = "2.3.6", features = ["deep-link"] }
 tauri-plugin-store = "2.1.0"
 tauri-plugin-opener = "2.0.0"
+tauri-plugin-deep-link = "2.4.5"
 keyring = { version = "3.6.1", features = ["apple-native", "windows-native"] }
 tokio = { version = "1.0", features = ["time", "sync"] }
 reqwest = { version = "0.11", features = ["json"] }

frontend/src-tauri/capabilities/default.json

@@ -19,6 +19,8 @@
     {
       "identifier": "fs:allow-read-file",
       "allow": [{ "path": "**" }]
-    }
+    },
+    "opener:default",
+    "shell:allow-open"
   ]
 }

frontend/src-tauri/src/lib.rs

@@ -1,4 +1,4 @@
-use tauri::{Manager, RunEvent, WindowEvent, Emitter};
+use tauri::{AppHandle, Emitter, Manager, RunEvent, WindowEvent};
 
 mod utils;
 mod commands;
@@ -28,6 +28,17 @@ use commands::{
 };
 use state::connection_state::AppConnectionState;
 use utils::{add_log, get_tauri_logs};
+use tauri_plugin_deep_link::DeepLinkExt;
+
+fn dispatch_deep_link(app: &AppHandle, url: &str) {
+  add_log(format!("🔗 Dispatching deep link: {}", url));
+  let _ = app.emit("deep-link", url.to_string());
+
+  if let Some(window) = app.get_webview_window("main") {
+    let _ = window.set_focus();
+    let _ = window.unminimize();
+  }
+}
 
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
@@ -42,6 +53,7 @@ pub fn run() {
     .plugin(tauri_plugin_fs::init())
     .plugin(tauri_plugin_http::init())
     .plugin(tauri_plugin_store::Builder::new().build())
+    .plugin(tauri_plugin_deep_link::init())
     .manage(AppConnectionState::default())
     .plugin(tauri_plugin_single_instance::init(|app, args, _cwd| {
       // This callback runs when a second instance tries to start
@@ -78,6 +90,29 @@ pub fn run() {
         }
       }
 
+      {
+        let app_handle = app.handle();
+        // On macOS the plugin registers schemes via bundle metadata, so runtime registration is required only on Windows/Linux
+        #[cfg(any(target_os = "linux", target_os = "windows"))]
+        if let Err(err) = app_handle.deep_link().register_all() {
+          add_log(format!("⚠️ Failed to register deep link handler: {}", err));
+        }
+
+        if let Ok(Some(urls)) = app_handle.deep_link().get_current() {
+          let initial_handle = app_handle.clone();
+          for url in urls {
+            dispatch_deep_link(&initial_handle, url.as_str());
+          }
+        }
+
+        let event_app_handle = app_handle.clone();
+        app_handle.deep_link().on_open_url(move |event| {
+          for url in event.urls() {
+            dispatch_deep_link(&event_app_handle, url.as_str());
+          }
+        });
+      }
+
       // Start backend immediately, non-blocking
       let app_handle = app.handle().clone();
 

frontend/src-tauri/tauri.conf.json

@@ -77,6 +77,13 @@
         },
         "fs": {
             "requireLiteralLeadingDot": false
+        },
+        "deep-link": {
+            "desktop": {
+                "schemes": [
+                    "stirlingpdf"
+                ]
+            }
         }
     }
 }