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
162
163
|
"""Various HTML "components"."""
from email.headerregistry import (
Address,
BaseHeader,
UniqueAddressHeader,
)
from .html_render import HTML
from typing import cast, Optional
from urllib.parse import urlencode
from email.message import EmailMessage
from typing import Iterable
def dl(entries: Iterable[tuple[HTML, HTML]]) -> HTML:
"""Build a description list."""
items = []
for k, v in entries:
items += [('dt', k),
('dd', v)]
return ('dl', items)
def format_email(addr: Address) -> list[HTML]:
"""Format an email address suitable for the headers of the message view."""
mail_addr = f'{addr.username}@{addr.domain}'
return [addr.display_name, ' <', mailto(mail_addr), '>']
def mailto(addr: str) -> HTML:
"""Construct a mailto anchor element."""
return ('a', {'href': f'mailto:{addr}'}, addr)
def header_format(key: str, value: BaseHeader) -> HTML:
"""
Format email headers to HTML.
https://docs.python.org/3/library/email.headerregistry.html#email.headerregistry.HeaderRegistry
"""
if key in ['to', 'cc', 'bcc']:
assert isinstance(value, UniqueAddressHeader), \
f"Expected UniqueAddressHeader, got {type(value)}"
return ('ul', *[('li', *format_email(addr))
for addr in value.addresses])
elif key == 'from':
assert isinstance(value, UniqueAddressHeader), \
f"Expected UniqueAddressHeader, got {type(value)}"
return format_email(value.addresses[0])
elif key == 'in-reply-to':
id = str(value).strip("<>")
return ['<', ('a', {'href': '?' + urlencode({'id': id})}, id), '>']
else:
return str(value)
def attachement_tree(id: str,
mail: EmailMessage,
idx: int = 0) -> tuple[HTML, int]:
"""Construct a tree of all attachements for the given mail."""
ct = mail.get_content_type()
fn = mail.get_filename()
children = []
_idx = idx
for child in mail.iter_parts():
tree, idx = attachement_tree(id, cast(EmailMessage, child), idx + 1)
children.append(tree)
content: HTML
if children:
content = ('ul', *children)
else:
content = []
if fn:
body = f'{ct} {fn}'
else:
body = str(ct)
download = {}
if mail.get_content_type() == 'application/octet-stream':
download['download'] = mail.get_filename() or ''
return ('li', ('a', {'data-idx': str(_idx),
'href': '/part?' + urlencode({'id': id,
'idx': _idx}),
**download,
}, body), content), idx
def login_page(returnto: Optional[str] = None) -> HTML:
"""HTML form for the login page."""
return ('form', {'action': '/login', 'method': 'POST', 'class': 'loginform'},
('label', {'for': 'username'}, 'Användarnamn'),
('input', {'id': 'username', 'name': 'username', 'placeholder': 'Användarnamn'}),
('label', {'for': 'password'}, 'Lösenord'),
('input', {'id': 'password', 'name': 'password',
'placeholder': 'Lösenord',
'type': 'password'}),
('div',
('input', {'id': 'remember', 'name': 'remember', 'type': 'checkbox'}),
('label', {'for': 'remember'}, 'Kom ihåg mig')),
('input', {'type': 'hidden',
'name': 'returnto',
'value': returnto}) if returnto else [],
('input', {'type': 'submit', 'value': 'Logga in'}),
)
def user_info(username: str) -> HTML:
"""
Return user info for top bar.
Includes the users name, and a button for logging out.
"""
return [('span', username),
('form', {'action': '/logout', 'method': 'POST'},
('input', {'type': 'submit', 'value': 'Logga ut'}))]
def login_prompt() -> HTML:
"""Return link to the login page."""
return ('a', {'href': '/login'}, 'Logga in')
def flashed_messages(messages: list[str] | list[tuple[str, str]]) -> HTML:
"""
Return Flasks flashed messages, formatted as a list.
:param messages:
Either a list of messages, or a list of (category, message)
messages. See `flask.get_flashed_messages` for more information.
"""
if not messages:
return []
if type(messages[0]) == tuple:
messages = cast(list[tuple[str, str]], messages)
return ('ul', {'class': 'flashes'},
*[('li', msg) for (_, msg) in messages])
else:
return ('ul', {'class': 'flashes'},
*[('li', msg) for msg in messages])
def include_stylesheet(path: str) -> HTML:
"""Return HTML for including a stylesheet inside the <head>."""
return ('link', {'type': 'text/css',
'rel': 'stylesheet',
'href': path})
def search_field(q: str) -> HTML:
"""Build large search form for search page."""
return ('form', {'id': 'searchform',
'action': '/search',
'method': 'GET'},
('label', {'for': 'search'},
'Sökförfrågan till Mu'),
('input', {'id': 'search',
'type': 'text',
'placeholder': 'Sök...',
'name': 'q',
'value': q}),
('input', {'type': 'Submit', 'value': 'Sök'}))
|
