1 files changed, 0 insertions, 116 deletions
diff --git a/common.py b/common.py
deleted file mode 100644
index d65b3d5..0000000
--- a/common.py
+++ /dev/null
@@ -1,116 +0,0 @@
-#!/usr/bin/env python3
-#
-# Common functions for the Daily Bulletin Build System
-# Copyright (C) 2024 Runxi Yu <https://runxiyu.org>
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program 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 Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-#
-
-from typing import Any, Iterable, Iterator
-import logging
-import re
-import base64
-import shutil
-
-import requests
-import msal  # type: ignore
-
-def acquire_token(
-    graph_client_id: str,
-    graph_authority: str,
-    graph_username: str,
-    graph_password: str,
-    graph_scopes: list[str],
-) -> str:
-    app = msal.PublicClientApplication(
-        graph_client_id,
-        authority=graph_authority,
-    )
-    result = app.acquire_token_by_username_password(graph_username, graph_password, scopes=graph_scopes)
-
-    if "access_token" in result:
-        assert isinstance(result["access_token"], str)
-        return result["access_token"]
-    raise ValueError("Authentication error in password login")
-
-def search_mail(token: str, query_string: str) -> list[dict[str, Any]]:
-    hits = requests.post(
-        "https://graph.microsoft.com/v1.0/search/query",
-        headers={"Authorization": "Bearer " + token},
-        json={
-            "requests": [
-                {
-                    "entityTypes": ["message"],
-                    "query": {"queryString": query_string},
-                    "from": 0,
-                    "size": 15,
-                    "enableTopResults": True,
-                }
-            ]
-        },
-        timeout=20,
-    ).json()["value"][
-        0
-    ]["hitsContainers"][
-        0
-    ]["hits"]
-    assert isinstance(hits, list)
-    assert isinstance(hits[0], dict)
-    return hits
-
-def encode_sharing_url(url: str) -> str:
-    return "u!" + base64.urlsafe_b64encode(url.encode("utf-8")).decode("ascii").rstrip("=")
-
-
-def download_share_url(token: str, url: str, local_filename: str, chunk_size: int = 65536) -> None:
-
-    download_direct_url = requests.get(
-        "https://graph.microsoft.com/v1.0/shares/%s/driveItem" % encode_sharing_url(url),
-        headers={"Authorization": "Bearer " + token},
-        timeout=20,
-    ).json()["@microsoft.graph.downloadUrl"]
-
-    with requests.get(
-        download_direct_url,
-        headers={
-            "Authorization": "Bearer %s" % token,
-            "Accept-Encoding": "identity",
-        },
-        stream=True,
-        timeout=20,
-    ) as r:
-        with open(local_filename, "wb") as fd:
-            shutil.copyfileobj(r.raw, fd)
-            fd.flush()
-
-def filter_mail_results_by_sender(original: Iterable[dict[str, Any]], sender: str) -> Iterator[dict[str, Any]]:
-    for hit in original:
-        if hit["resource"]["sender"]["emailAddress"]["address"].lower() == sender.lower():
-            yield hit
-
-
-# TODO: Potentially replace this with a pattern-match based on strptime().
-def filter_mail_results_by_subject_regex_groups(
-    original: Iterable[dict[str, Any]],
-    subject_regex: str,
-    subject_regex_groups: Iterable[int],
-) -> Iterator[tuple[dict[str, Any], list[str]]]:
-    for hit in original:
-        logging.debug("Trying %s" % hit["resource"]["subject"])
-        matched = re.compile(subject_regex).match(hit["resource"]["subject"])
-        if matched:
-            yield (hit, [matched.group(group) for group in subject_regex_groups])
-
-class DailyBulletinError(Exception):
-    pass