1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
#!/usr/bin/env python3
#
# Send the Daily Bulletin the next morning
# 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/>.
#
# **TODO:** Send MIME rather than JSON
#
from __future__ import annotations
import os
import datetime
import zoneinfo
import argparse
from configparser import ConfigParser
from typing import Optional
import msal # type: ignore
import requests
def acquire_token(app: msal.PublicClientApplication, config: ConfigParser) -> str:
result = app.acquire_token_by_username_password(
config["credentials"]["username"],
config["credentials"]["password"],
scopes=config["credentials"]["scope"].split(" "),
)
if "access_token" in result:
assert isinstance(result["access_token"], str)
return result["access_token"]
raise ValueError("Authentication error in password login")
def sendmail(
token: str,
subject: str,
body: str,
to: list[str],
bcc: list[str],
cc: list[str],
when: Optional[datetime.datetime] = None,
content_type: str = "HTML",
importance: str = "Normal",
) -> None:
data = {
"subject": subject,
"importance": importance,
"body": {"contentType": content_type, "content": body},
"toRecipients": [{"emailAddress": {"address": a}} for a in to],
"ccRecipients": [{"emailAddress": {"address": a}} for a in cc],
"bccRecipients": [{"emailAddress": {"address": a}} for a in bcc],
}
if when is not None:
if when.tzinfo is None:
raise TypeError("Naive datetimes are no longer supported")
utcwhen = when.astimezone(datetime.timezone.utc)
isoval = utcwhen.isoformat(timespec="seconds").replace("+00:00", "Z")
data["singleValueExtendedProperties"] = [
{"id": "SystemTime 0x3FEF", "value": isoval}
]
response = requests.post(
"https://graph.microsoft.com/v1.0/me/messages",
json=data,
headers={"Authorization": "Bearer " + token},
timeout=20,
).json()
response2 = requests.post(
"https://graph.microsoft.com/v1.0/me/messages/%s/send" % response["id"],
headers={"Authorization": "Bearer " + token},
timeout=20,
)
if response2.status_code != 202:
print(response2.content)
raise ValueError(
"Graph response to messages/%s/send returned something other than 202 Accepted"
% response["id"],
response2,
)
# TODO: Handle more errors
def main() -> None:
parser = argparse.ArgumentParser(description="Daily Bulletin Sender")
parser.add_argument(
"--date",
default=None,
help="the date of the bulletin to send, in local time, in YYYY-MM-DD; defaults to tomorrow",
)
parser.add_argument(
"--config", default="config.ini", help="path to the configuration file"
)
args = parser.parse_args()
config = ConfigParser()
config.read(args.config)
if args.date:
date = datetime.datetime.strptime(args.date, "%Y-%m-%d").replace(
tzinfo=zoneinfo.ZoneInfo(config["general"]["timezone"])
)
else:
date = datetime.datetime.now(
zoneinfo.ZoneInfo(config["general"]["timezone"])
) + datetime.timedelta(days=1)
os.chdir(config["general"]["build_path"])
html_filename = "sjdb-%s.html" % date.strftime("%Y%m%d")
with open(html_filename, "r", encoding="utf-8") as html_fd:
html = html_fd.read()
app = msal.PublicClientApplication(
config["credentials"]["client_id"],
authority=config["credentials"]["authority"],
)
token = acquire_token(app, config)
common = {
"when": date.replace(
hour=int(config["sendmail"]["hour"]),
minute=int(config["sendmail"]["minute"]),
second=0,
microsecond=0,
),
"content_type": "HTML",
"importance": "Normal",
"subject": config["sendmail"]["subject_format"]
% date.strftime(config["sendmail"]["subject_date_format"]),
"body": html,
}
sendmail(
token,
to=config["sendmail"]["to_1"].split(" "),
cc=config["sendmail"]["cc_1"].split(" "),
bcc=config["sendmail"]["bcc_1"].split(" "),
**common, # type: ignore
)
sendmail(
token,
to=config["sendmail"]["to_2"].split(" "),
cc=config["sendmail"]["cc_2"].split(" "),
bcc=config["sendmail"]["bcc_2"].split(" "),
**common, # type: ignore
)
if __name__ == "__main__":
main()
|
