initial commit

flake.lock

@@ -0,0 +1,43 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1648297722,
+        "narHash": "sha256-W+qlPsiZd8F3XkzXOzAoR+mpFqzm3ekQkJNa+PIh1BQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "0f8662f1319ad6abf89b3380dd2722369fc51ade",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1649225869,
+        "narHash": "sha256-u1zLtPmQzhT9mNXyM8Ey9pk7orDrIKdwooeGDEXm5xM=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "b6966d911da89e5a7301aaef8b4f0a44c77e103c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "Stream media files over SSH";
+  nixConfig.bash-prompt = "\[\\e[1mmincloud-dev\\e[0m:\\w\]$ ";
+  inputs = {
+    nixpkgs.url = github:nixos/nixpkgs/nixos-unstable;
+    flake-utils.url = github:numtide/flake-utils;
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+
+    flake-utils.lib.eachDefaultSystem
+      (system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+        in
+          {
+                      # Development shell
+          devShell = pkgs.mkShell {
+            buildInputs = with pkgs; [
+              python3
+              python3Packages.flask
+              python3Packages.toml
+            ];
+          };
+        }
+      );
+}

raincloud.py

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+#!/usr/bin/env python
+
+import toml
+import werkzeug
+from flask import (
+    Flask,
+    render_template,
+    redirect,
+    request,
+    send_from_directory,
+    session,
+    url_for,
+)
+from pathlib import Path
+from werkzeug.utils import secure_filename
+
+base_path = Path("public")
+cloud_name = "raincloud"
+
+
+class MincloudIOException(Exception):
+    pass
+
+
+def get_config(directory):
+    """Load a 'mincloud.conf' file from given directory.
+
+    Parameters:
+        directory - basepath of 'mincloud.conf'
+
+    Returns: Dictionary of config parameters
+    """
+    path = base_path / directory / "rc.toml"
+
+    if path.exists():
+        config = {}
+        config["directory"] = directory
+
+        parsed_config = toml.load(path)
+        config["password"] = (
+            parsed_config["password"] if "password" in parsed_config else None
+        )
+        config["download"] = (
+            parsed_config["download"] if "download" in parsed_config else False
+        )
+        config["upload"] = (
+            parsed_config["upload"] if "upload" in parsed_config else False
+        )
+        return config
+
+    else:
+        raise MincloudIOException("No raincloud directory")
+
+
+def get_files(directory):
+    path = base_path / directory
+    file_paths = [f for f in path.glob("*") if f.is_file()]
+    files = []
+    for p in file_paths:
+        if p.name != "rc.toml":
+            files.append({"name": p.name})
+    return files
+
+
+app = Flask(__name__)
+
+
+@app.route("/<directory>", methods=["GET", "POST"])
+@app.route("/<directory>/<path:filename>", methods=["GET"])
+def files(directory, filename=None):
+
+    try:
+        config = get_config(directory)
+        if config["password"]:
+            authenticated = False
+            if directory in session and session[directory] == config["password"]:
+                authenticated = True
+
+            if not authenticated:
+                if request.method == "POST":
+                    if request.form["password"] == config["password"]:
+                        session[directory] = config["password"]
+                    return redirect(url_for("files", directory=directory))
+                else:
+                    return render_template(
+                        "authenticate.html", cloud_name=cloud_name, config=config
+                    )
+
+        if request.method == "GET":
+            # List
+            if not filename:
+                files = get_files(directory)
+                return render_template(
+                    "files.html", cloud_name=cloud_name, config=config, files=files
+                )
+
+            # Download
+            else:
+                if config["download"] and filename != "rc.toml":
+                    return send_from_directory(base_path / directory, filename)
+                else:
+                    return "Not allowed"
+
+        # Upload
+        elif request.method == "POST":
+            if config["upload"]:
+                f = request.files["file"]
+                filename = secure_filename(f.filename)
+                if filename != "rc.toml":
+                    f.save(base_path / directory / filename)
+
+                # Return new file list
+                files = get_files(directory)
+                return render_template(
+                    "files.html", cloud_name=cloud_name, config=config, files=files
+                )
+            else:
+                return "No upload allowed"
+
+    except MincloudIOException as e:
+        print(e)
+        return "No 404 file"
+
+
+app.secret_key = "raincloud"
+app.run(host="0.0.0.0", debug=True)

static/style.css

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+body {
+  font-family: sans-serif;
+}

templates/authenticate.html

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+{% extends "base.html" %}
+{% block content %}
+  <form action="/{{ config["directory"] }}" method="post">
+    <input type="password" name="password">
+    <input type="submit">
+  </form>
+{% endblock %}

templates/base.html

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+<!doctype html>
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<link rel="stylesheet" href="{{ url_for('static', filename='style.css') }}">
+<link rel="shortcut icon" href="{{ url_for('static', filename='favicon.png') }}">
+<title>{{ config["directory"] }} - {{ cloud_name }}</title>
+<h1>{{ config["directory"] }}</h1>
+{% block content %}{% endblock %}

templates/files.html

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+{% extends "base.html" %}
+{% block content %}
+  {% if config["upload"] %}
+    <form action="/{{ config["directory"] }}" enctype="multipart/form-data" method="post">
+      <input type="file" name="file">
+      <input type="submit">
+    </form>
+  {% endif %}
+  <ul>
+    {% for f in files %}
+      <li>
+        <span>{{ f["name"] }} </span>
+        {% if config["download"] %}
+          <a href="{{ config["directory"] }}/{{ f["name"] }}">Download</a>
+        {% endif %}
+      </li>
+    {% endfor %}
+  </ul>
+{% endblock %}