make package

.gitignore

@@ -0,0 +1,116 @@
+# ---> Python
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+

README.org

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+* raincloud
+
+  /Self-hosted file sharing cloud for you and your firends./

images/logo.svg

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+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg width="1e3" height="1e3" version="1.1" viewBox="0 0 264.58 264.58" xmlns="http://www.w3.org/2000/svg">
+ <g transform="matrix(8.6354 0 0 8.6354 -354.85 -792.76)" fill="#28bcff" stroke-width=".1158">
+  <path transform="scale(.26458)" d="m210.73 357.03a31.693 31.693 0 0 0-28.924 18.787 22.48 22.48 0 0 0-4.0215-0.36133 22.48 22.48 0 0 0-22.48 22.479 22.48 22.48 0 0 0 22.48 22.48 22.48 22.48 0 0 0 0.12305-4e-3v4e-3h65.643v-4e-3a27.68 27.68 0 0 0 27.557-27.676 27.68 27.68 0 0 0-27.68-27.68 27.68 27.68 0 0 0-9.7676 1.791 31.693 31.693 0 0 0-22.93-9.8164z"/>
+  <path transform="scale(.26458)" d="m191.91 424.19-16.477 28.537h8.7285l16.477-28.537zm19.332 0-16.477 28.537h8.7285l16.477-28.537zm19.332 0-16.477 28.537h8.7266l16.477-28.537z"/>
+ </g>
+</svg>

raincloud/__init__.py

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+#!/usr/bin/env python
+
+from hmac import compare_digest as compare_hash
+from flask import (
+    Flask,
+    abort,
+    redirect,
+    render_template,
+    request,
+    send_from_directory,
+    session,
+    url_for,
+)
+from raincloud.directory_handler import DirectoryHandler, RaincloudIOException
+from raincloud.session_handler import SessionHandler
+from werkzeug.utils import secure_filename
+import crypt
+import werkzeug
+
+
+def app(settings_file=None):
+
+    # Create app
+    app = Flask(__name__)
+
+    # Load config
+    app.config.from_object("raincloud.default_settings")
+    if settings_file:
+        app.config.from_pyfile(settings_file)
+    else:
+        app.config.from_envvar("RAINCLOUD_SETTINGS", silent=True)
+
+    if not app.config["BASE_PATH"] or app.config["BASE_PATH"] == "":
+        print("No BASE_PATH defined")
+        exit(1)
+
+    # Create handlers
+    dh = DirectoryHandler(app.config["BASE_PATH"])
+    sh = SessionHandler()
+
+    @app.route("/<directory>", methods=["GET", "POST"])
+    @app.route("/<directory>/<path:filename>", methods=["GET"])
+    def directory(directory, filename=None):
+
+        try:
+
+            # Clean sessions
+            sh.clean_sessions()
+
+            # Logout
+            if request.method == "POST" and "logout" in request.form:
+                sh.delete_session(session[directory])
+                return redirect(url_for("directory", directory=directory))
+
+            config = dh.get_config(directory)
+
+            if config["hashed_password"]:
+                authenticated = (
+                    True
+                    if directory in session
+                    and sh.validate_session(directory, session[directory])
+                    else False
+                )
+
+                if not authenticated:
+                    if request.method == "POST":
+                        if compare_hash(
+                            config["hashed_password"],
+                            crypt.crypt(
+                                request.form["password"], config["hashed_password"]
+                            ),
+                        ):
+                            id_ = sh.create_session_id()
+                            session[directory] = id_
+                            sh.add_session(directory, id_)
+                        return redirect(url_for("directory", directory=directory))
+                    else:
+                        return render_template(
+                            "authenticate.html",
+                            cloud_name=app.config["CLOUD_NAME"],
+                            config=config,
+                        )
+
+            if request.method == "GET":
+                # List
+                if not filename:
+                    files = dh.get_files(directory)
+                    return render_template(
+                        "directory.html",
+                        cloud_name=app.config["CLOUD_NAME"],
+                        config=config,
+                        files=files,
+                    )
+
+                # Download
+                else:
+                    if config["download"] and filename != "rc.toml":
+                        return send_from_directory(
+                            dh.get_absolute_path(directory), filename
+                        )
+                    else:
+                        abort(404)
+
+            # Upload
+            elif request.method == "POST":
+                if config["upload"]:
+                    f = request.files["file"]
+                    filename = secure_filename(f.filename)
+                    if filename != "rc.toml":
+                        dh.save_to_directory(f, directory, filename)
+
+                    # Reload
+                    return redirect(url_for("directory", directory=directory))
+                else:
+                    abort(403)
+
+        except RaincloudIOException as e:
+            print(e)
+            abort(404)
+
+    return app

raincloud/default_settings.py

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+CLOUD_NAME = "raincloud"
+SECRET_KEY = "dev"
+BASE_PATH = "public"

raincloud/directory_handler.py

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+from datetime import datetime
+from pathlib import Path
+import toml
+
+
+class RaincloudIOException(Exception):
+    pass
+
+
+class DirectoryHandler:
+    def __init__(self, base_path):
+        self.base_path = Path(base_path)
+        if not self.base_path.exists():
+            raise RaincloudIOException(
+                f"Base path '{self.base_path.resolve()}' not existent"
+            )
+
+    def get_config(self, directory):
+        """Load a 'rc.toml' file from given directory.
+
+        Parameters:
+            directory - basepath of 'rc.toml'
+
+        Returns: Dictionary of config parameters
+        """
+        path = self.base_path / directory / "rc.toml"
+
+        if path.exists():
+            config = {}
+            config["directory"] = directory
+
+            parsed_config = toml.load(path)
+            config["hashed_password"] = (
+                parsed_config["hashed_password"]
+                if "hashed_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 RaincloudIOException("No raincloud directory")
+
+    def get_files(self, directory):
+        """Get files from directory."""
+        path = self.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(p.name)
+        return files
+
+    def get_absolute_path(self, directory):
+        """Get absolute path of 'directory'."""
+        return (self.base_path / directory).resolve()
+
+    def save_to_directory(self, file_, directory, filename):
+        """Save 'file_' to 'directory' with 'filename'."""
+        filepath = self.base_path / directory / filename
+        if not filepath.exists():
+            file_.save(filepath)
+        else:
+            file_.save(
+                filepath.with_suffix(
+                    f".{datetime.now().strftime('%Y%m%d%H%M')}{filepath.suffix}"
+                )
+            )

raincloud/session_handler.py

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+from datetime import datetime, timedelta
+import uuid
+
+
+class SessionHandler:
+    def __init__(self):
+        self.sessions = []
+
+    def create_session_id(self):
+        """Create a new session ID."""
+        ids = [s[2] for s in self.sessions]
+        id_ = uuid.uuid4()
+        while id_ in ids:
+            id_ = uuid.uuid4()
+        return id_
+
+    def add_session(self, directory, id_):
+        """Add session with 'id_' allowing access to 'directory'."""
+        self.sessions.append((datetime.now(), directory, id_))
+
+    def clean_sessions(self):
+        """Remove all sessions which are older than one day."""
+        self.sessions = [
+            s for s in self.sessions if s[0] > datetime.now() - timedelta(days=1)
+        ]
+
+    def validate_session(self, directory, id_):
+        """check if session with 'id_' is allowed to access 'directory'."""
+        valid_dates = [s[0] for s in self.sessions if s[1] == directory and s[2] == id_]
+        if len(valid_dates) > 0 and valid_dates[0] > datetime.now() - timedelta(days=1):
+            return True
+        return False
+
+    def delete_session(self, id_):
+        """Delete session with 'id_'."""
+        self.sessions = [s for s in self.sessions if s[2] != id_]

raincloud/static/logo.svg

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+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg width="210mm" height="297mm" version="1.1" viewBox="0 0 210 297" xmlns="http://www.w3.org/2000/svg">
+ <g fill="#1a1a1a">
+  <circle cx="64.541" cy="98.952" r="12.752"/>
+  <circle cx="82.328" cy="93.285" r="18.419"/>
+  <circle cx="99.921" cy="96.465" r="15.238"/>
+  <rect x="64.541" y="107.76" width="35.38" height="3.9457"/>
+  <g transform="translate(1.3938 -8.511)">
+   <rect transform="rotate(30)" x="119.65" y="72.299" width="4.5931" height="22.966" rx="1.2522" ry="1.2522"/>
+   <rect transform="rotate(30)" x="129.01" y="66.893" width="4.5931" height="22.966" rx="1.2522" ry="1.2522"/>
+   <rect transform="rotate(30)" x="138.38" y="61.487" width="4.5931" height="22.966" rx="1.2522" ry="1.2522"/>
+  </g>
+ </g>
+</svg>

raincloud/static/style.css

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+@keyframes fade-in {
+  0% { opacity: 0; }
+  100% { opacity: 1; }
+}
+
+body {
+  font-family: sans-serif;
+  margin: 0;
+}
+
+#container {
+  display: flex;
+  flex-direction: column;
+}
+
+#header {
+  padding: 0px 30px;
+  border-bottom: 1px solid lightgray;
+  font-size: 20px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  min-height: 60px;
+}
+
+#cloud-name {
+  color: #28bcff;
+  margin-right: 30px;
+}
+
+#directory-name {
+  font-weight: bold;
+}
+
+#menu {
+  animation: fade-in ease-in-out .5s;
+}
+
+#content {
+  margin: 50px 0px;
+  text-align: center;
+  animation: fade-in ease-in-out .5s;
+}
+
+.file {
+  border-bottom: 1px solid lightgrey;
+  padding: 0px 30px;
+  min-height: 60px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+form {
+  display: inline-block;
+}
+
+.button {
+  background-color: #28bcff;
+  border: none;
+  border-radius: 5px;
+  color: white;
+  padding: 12px 28px;
+  text-align: center;
+  text-decoration: none;
+  display: inline-block;
+  margin: 4px 2px;
+  font-size: 16px;
+  cursor: pointer;
+}
+
+.button:hover {
+  background-color: #0cb3ff;
+}
+
+.upload {
+  background-color: #ff814e;
+}
+
+.upload:hover {
+  background-color: #ff7740;
+}
+
+.logout {
+  background-color: #ff4e62;
+}
+
+.logout:hover {
+  background-color: #ff3e54;
+}
+
+input[type="file"] {
+  display: none;
+}
+
+input[type="password"] {
+  border: 1px solid lightgrey;
+  padding: 11px 11px;
+  font-size: 16px;
+  border-radius: 5px;
+  width: 300px;
+}
+
+input[type="password"]:focus {
+  outline: none;
+  border: 2px solid #ff814e;
+  padding: 10px 10px;
+}

raincloud/templates/authenticate.html

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

raincloud/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>
+<div id="container">
+  <div id="header">
+    <div>
+      <span id="cloud-name">{{ cloud_name }}</span><span id="directory-name">{{ config["directory"] }}</span>
+    </div>
+    <div id="menu">
+      {% block menu %}{% endblock %}
+    </div>
+  </div>
+  <div id="content" class="a-fade-in">
+    {% block content %}{% endblock %}
+  </div>
+</div>

raincloud/templates/directory.html

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+{% extends "base.html" %}
+{% block menu %}
+  {% if config["upload"] %}
+    <form action="/{{ config["directory"] }}" enctype="multipart/form-data" method="post">
+      <label class="button upload">
+        <input type="file" name="file" onchange="this.form.submit()">
+        Upload
+      </label>
+    </form>
+  {% endif %}
+  {% if config["hashed_password"] %}
+    <form action="/{{ config["directory"] }}" method="post">
+      <input hidden type="text" name="logout">
+      <input type="submit" class="button logout" value="Logout">
+    </form>
+  {% endif %}
+{% endblock %}
+{% block content %}
+  {% for f in files %}
+    <div class="file">
+      <p>{{ f }}</p>
+      {% if config["download"] %}
+        <a href="{{ config["directory"] }}/{{ f }}" class="button">Download</a>
+      {% endif %}
+    </div>
+  {% endfor %}
+{% endblock %}

run.py

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+#!/usr/bin/env python
+
+import raincloud
+
+if __name__ == "__main__":
+    app = raincloud.app()
+    app.run()

setup.py

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+from setuptools import find_packages, setup
+
+setup(
+    name="raincloud",
+    long_description=open("README.org").read(),
+    packages=find_packages(),
+    include_package_data=True,
+    zip_safe=False,
+    install_requires=["flask", "toml"],
+)