download js lib for crypto stuff

.gitignore

@@ -8,3 +8,4 @@ __pycache__/
 .vscode/
 
 src/public/fonts/
+src/public/js/libs/

src/app.py

@@ -3,12 +3,14 @@ from flask import Flask, redirect
 from routes.index import router as index
 from routes.upload import router as upload
 from utils.font import init as init_font
+from utils.libjs import init as init_libjs
 
 app = Flask(__name__, static_url_path="/", static_folder="public")
 app.register_blueprint(index, url_prefix="/index")
 app.register_blueprint(upload, url_prefix="/upload")
 
 init_font("1.3.0")
+init_libjs("fc5e3c53e41490e24ca7f67cb24e7ab389b770f9")
 
 
 @app.route("/")

src/utils/libjs.py

@@ -0,0 +1,29 @@
+from os import mkdir
+
+from requests import get
+
+from utils.misc import exist
+
+
+def init(commit_hash):
+    """ Download JS libraries"""
+    path = "./src/public/js/libs"
+    filename = "bigint-mod.js"
+    # If there is filename changes, you should change
+    # the name in the js imports too (./src/public/js/rsa.js)
+
+    # Check if js/lib directory exists
+    if not exist(path):
+        mkdir(path)
+
+    # TODO: Store the version used and redownload on version changes
+
+    # Download the js file if needed
+    if not exist(f"{path}/{filename}"):
+        # Download the font file
+        file_url = f"https://github.com/juanelas/bigint-mod-arith/blob/{commit_hash}/dist/esm/index.browser.js"
+        data = get(file_url).content
+
+        # Save the file
+        with open(f"{path}/{filename}", "wb") as file:
+            file.write(data)