refactor

radicale/web/__init__.py

@@ -0,0 +1,54 @@
+# This file is part of Radicale Server - Calendar Server
+# Copyright © 2017-2018 Unrud <unrud@outlook.com>
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Radicale.  If not, see <http://www.gnu.org/licenses/>.
+
+from importlib import import_module
+
+from radicale.log import logger
+
+INTERNAL_TYPES = ("none", "internal")
+
+
+def load(configuration):
+    """Load the web module chosen in configuration."""
+    web_type = configuration.get("web", "type")
+    if web_type in INTERNAL_TYPES:
+        module = "radicale.web.%s" % web_type
+    else:
+        module = web_type
+    try:
+        class_ = import_module(module).Web
+    except Exception as e:
+        raise RuntimeError("Failed to load web module %r: %s" %
+                           (web_type, e)) from e
+    logger.info("Web type is %r", web_type)
+    return class_(configuration)
+
+
+class BaseWeb:
+    def __init__(self, configuration):
+        self.configuration = configuration
+
+    def get(self, environ, base_prefix, path, user):
+        """GET request.
+
+        ``base_prefix`` is sanitized and never ends with "/".
+
+        ``path`` is sanitized and always starts with "/.web"
+
+        ``user`` is empty for anonymous users.
+
+        """
+        raise NotImplementedError

radicale/web/internal.py

@@ -0,0 +1,77 @@
+# This file is part of Radicale Server - Calendar Server
+# Copyright © 2017-2018 Unrud <unrud@outlook.com>
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Radicale.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+import posixpath
+import time
+from http import client
+
+import pkg_resources
+
+from radicale import httputils, pathutils, web
+from radicale.log import logger
+
+MIMETYPES = {
+    ".css": "text/css",
+    ".eot": "application/vnd.ms-fontobject",
+    ".gif": "image/gif",
+    ".html": "text/html",
+    ".js": "application/javascript",
+    ".manifest": "text/cache-manifest",
+    ".png": "image/png",
+    ".svg": "image/svg+xml",
+    ".ttf": "application/font-sfnt",
+    ".txt": "text/plain",
+    ".woff": "application/font-woff",
+    ".woff2": "font/woff2",
+    ".xml": "text/xml"}
+FALLBACK_MIMETYPE = "application/octet-stream"
+
+
+class Web(web.BaseWeb):
+    def __init__(self, configuration):
+        super().__init__(configuration)
+        self.folder = pkg_resources.resource_filename(__name__,
+                                                      "internal_data")
+
+    def get(self, environ, base_prefix, path, user):
+        try:
+            filesystem_path = pathutils.path_to_filesystem(
+                self.folder, path[len("/.web"):])
+        except ValueError as e:
+            logger.debug("Web content with unsafe path %r requested: %s",
+                         path, e, exc_info=True)
+            return httputils.NOT_FOUND
+        if os.path.isdir(filesystem_path) and not path.endswith("/"):
+            location = posixpath.basename(path) + "/"
+            return (client.FOUND,
+                    {"Location": location, "Content-Type": "text/plain"},
+                    "Redirected to %s" % location)
+        if os.path.isdir(filesystem_path):
+            filesystem_path = os.path.join(filesystem_path, "index.html")
+        if not os.path.isfile(filesystem_path):
+            return httputils.NOT_FOUND
+        content_type = MIMETYPES.get(
+            os.path.splitext(filesystem_path)[1].lower(), FALLBACK_MIMETYPE)
+        with open(filesystem_path, "rb") as f:
+            answer = f.read()
+            last_modified = time.strftime(
+                "%a, %d %b %Y %H:%M:%S GMT",
+                time.gmtime(os.fstat(f.fileno()).st_mtime))
+        headers = {
+            "Content-Type": content_type,
+            "Last-Modified": last_modified}
+        return client.OK, headers, answer

radicale/web/internal_data/fn.js

@@ -1,6 +1,6 @@
 /**
  * This file is part of Radicale Server - Calendar Server
- * Copyright (C) 2017 Unrud <unrud@outlook.com>
+ * Copyright © 2017-2018 Unrud <unrud@outlook.com>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

radicale/web/none.py

@@ -0,0 +1,26 @@
+# This file is part of Radicale Server - Calendar Server
+# Copyright © 2017-2018 Unrud <unrud@outlook.com>
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Radicale.  If not, see <http://www.gnu.org/licenses/>.
+
+from http import client
+
+from radicale import httputils, web
+
+
+class Web(web.BaseWeb):
+    def get(self, environ, base_prefix, path, user):
+        if path != "/.web":
+            return httputils.NOT_FOUND
+        return client.OK, {"Content-Type": "text/plain"}, "Radicale works!"