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
|
import argparse
import enum
import errno
import logging
import requests
import sys
import stat
from datetime import datetime as dtp
from fuse import (
FUSE,
Operations,
FuseOSError,
LoggingMixIn,
fuse_exit,
fuse_get_context,
)
class APIChoice(enum.Enum):
ACTIVITYPUB = "ActivityPub"
MASTODON = "Mastodon"
api_url_ap_template = "https://{server}/users/{user}/outbox?page=true"
class Status(object):
def __init__(self, id: str, content: str, published: str):
self.id = id
self.content = content
self.published = published
class HelloWorld(Operations, LoggingMixIn):
def __init__(self, api: APIChoice, server: str, user: str):
self.statuses: list[Status] = []
self.fd = 0
self.api = api
self.server = server
self.user = user
def getattr(self, path, fh=None):
(uid, gid, _) = fuse_get_context()
if path == "/":
return {
"st_mode": (stat.S_IFDIR | 0o700), # Directory
"st_nlink": 2,
"st_uid": uid,
"st_gid": gid,
}
found = next((s for s in self.statuses if "/" + s.id == path), None)
if found:
published_dt = dtp.fromisoformat(found.published)
pubunix = published_dt.timestamp()
return {
"st_mode": (stat.S_IFREG | 0o400),
"st_size": len(found.content.encode("utf8")),
"st_nlink": 1,
"st_uid": uid,
"st_gid": gid,
"st_ctime": pubunix,
"st_mtime": pubunix,
}
raise FuseOSError(errno.ENOENT)
def load_statuses(self):
url = api_url_template_ap.format(server=self.server, user=self.user)
res = requests.get(url)
if res.status_code == 404:
self.statuses = [Status("not-found", "User not found\n", "1970-01-01T00:00:00Z")]
return
res.raise_for_status()
stats = res.json()
logging.debug(f"Status: ${stats['id']}")
self.statuses = [
Status(
s["object"]["id"].split("/")[-1],
s["object"]["content"],
s["object"]["published"],
)
for s in stats["orderedItems"]
]
pass
def list_dir(self) -> list[str]:
return [s.id for s in self.statuses]
def readdir(self, path, fh):
dir_entries = []
if path != "/":
raise FuseOSError(errno.ENOENT)
dir_entries = [".", ".."]
if not self.statuses:
self.load_statuses()
dir_entries += self.list_dir()
return dir_entries
def open(self, path, flags):
self.fd += 1
return self.fd
def read(self, path, size, offset, fh):
found = next(s for s in self.statuses if "/" + s.id == path)
if found:
return found.content.encode("utf8")
raise FuseOSError(errno.ENOENT)
def parse_arguments():
parser = argparse.ArgumentParser(
description="Mount a read-only FUSE filesystem for ActivityPub or Mastodon"
)
parser.add_argument(
"mountpoint", help="The directory where the filesystem will be mounted"
)
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument(
"-a", "--activitypub", action="store_true", help="Use ActivityPub API"
)
group.add_argument("-m", "--mastodon", action="store_true", help="Use Mastodon API")
parser.add_argument("-s", "--server", required=True, help="The server/host URL")
parser.add_argument(
"-u", "--username", required=True, help="The username to fetch statuses for"
)
args = parser.parse_args()
if args.activitypub:
args.api_choice = APIChoice.ACTIVITYPUB
elif args.mastodon:
args.api_choice = APIChoice.MASTODON
else:
parser.error("Must choose either ActivityPub or Mastodon API")
if args.api_choice != APIChoice.ACTIVITYPUB:
raise NotImplementedError("Not supported yet")
return args
def main(args):
try:
FUSE(
HelloWorld(args.api_choice, args.server, args.username),
args.mountpoint,
nothreads=True,
foreground=True,
)
except:
fuse_exit()
raise
if __name__ == "__main__":
logging.basicConfig(level=logging.DEBUG)
args = parse_arguments()
main(args)
|
