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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
import config from "$config";
import { db, g, s } from "$lib/db";
import {
anon,
getCount,
getProfile,
getRelays,
pool,
send,
serverPubkey,
} from "$lib/nostr";
import { bail, fail, getUser } from "$lib/utils";
import { decode } from "nostr-tools/nip19";
import type { ProfilePointer } from "nostr-tools/nip19";
const opts = { maxWait: 2000 };
export default {
async event(req, res) {
const {
params: { id },
} = req;
const event = await g(`ev:${id}`);
if (!event) return bail(res, "event not found");
const { pubkey } = event;
event.user = (await g(`user:${pubkey}`)) || anon(pubkey);
res.send(event);
},
async publish(req, res) {
try {
const { event } = req.body;
const { pubkey } = req.user;
const { write: relays } = await getRelays(pubkey);
if (!relays.includes(config.nostr)) relays.push(config.nostr);
let ok;
for (const url of relays) {
try {
await send(event, url);
ok = true;
} catch (e) {
console.log("failed to publish to", url);
}
}
if (!ok) fail("failed to publish");
if (event.kind === 3) db.del(`${pubkey}:follows`);
res.send({});
} catch (e) {
bail(res, e.message);
}
},
async follows(req, res) {
const {
params: { pubkey },
query: { pubkeysOnly, nocache },
} = req;
try {
let created_at;
let follows = [];
let pubkeys = await g(`${pubkey}:pubkeys`);
if (!pubkeys || !pubkeysOnly || nocache) {
let filter = { kinds: [3], authors: [pubkey] };
let ev = await pool.get([config.nostr], filter, opts);
if (!ev) {
let { relays } = config;
({ write: relays } = await getRelays(pubkey));
filter = { kinds: [3], authors: [pubkey] };
ev = await pool.get(relays, filter, opts);
send(ev);
}
let tags = [];
if (ev) ({ created_at, tags } = ev);
pubkeys = tags
.map((t) => t[0] === "p" && t[1])
.filter((p) => p && p.length === 64);
await s(`${pubkey}:pubkeys`, pubkeys);
}
if (!pubkeys.length || pubkeysOnly) return res.send(pubkeys);
const cache = await g(`${pubkey}:follows`);
if (cache && cache.t >= created_at) ({ follows } = cache);
else {
const filter: any = { cache: ["user_infos", { pubkeys }] };
const infos = await pool.querySync([config.cache], filter, opts);
const profiles = infos.filter((e) => e.kind === 0);
const f = infos.find((e) => e.kind === 10000133);
let counts = {};
if (f) counts = JSON.parse(f.content);
for (const p of profiles) {
const { content, pubkey } = p;
const user = JSON.parse(content);
user.count = counts[pubkey];
user.pubkey = pubkey;
follows.push(user);
}
const followKeys = follows.map((f) => f.pubkey);
const missing = pubkeys
.filter((p) => !followKeys.includes(p))
.map((pubkey) => anon(pubkey));
follows.sort((a: any, b: any) => b.count - a.count);
follows.push(...missing);
s(`${pubkey}:follows`, { follows, t: created_at });
}
res.send(follows);
} catch (e) {
console.log("follows fail", e);
bail(res, e.message);
}
},
async followers(req, res) {
const {
params: { pubkey },
} = req;
try {
let filter: any = { kinds: [3], "#p": [pubkey] };
const ev = await pool.get([config.nostr], filter, opts);
let created_at;
if (ev) ({ created_at } = ev);
let followers = [];
const cache = await g(`${pubkey}:followers`);
if (cache && cache.t >= created_at) ({ followers } = cache);
else {
filter = { cache: ["user_followers", { pubkey }] };
const data = await pool.querySync([config.cache], filter, opts);
for (const ev of data.filter((f) => f.kind === 0)) {
const { content, pubkey } = ev;
const user = JSON.parse(content);
user.pubkey = pubkey;
followers.push(user);
}
const pubkeys = followers.map((f) => f.pubkey);
filter = { cache: ["user_infos", { pubkeys }] };
const infos = await pool.querySync([config.cache], filter, opts);
let counts = {};
const f = infos.find((e) => e.kind === 10000133);
if (f) counts = JSON.parse(f.content);
followers.map((f) => (f.count = counts[f.pubkey]));
followers.sort((a: any, b: any) => b.count - a.count);
await s(`${pubkey}:followers`, { followers, t: created_at });
}
res.send(followers);
} catch (e) {
console.log(e);
bail(res, e.message);
}
},
async count(req, res) {
try {
const { pubkey } = req.params;
res.send(await getCount(pubkey));
} catch (e) {
console.log(e);
bail(res, e.message);
}
},
async identities(req, res) {
const {
query: { name },
} = req;
let names = {};
if (name) {
names = { [name]: (await getUser(name)).pubkey };
} else {
const records = await db.sMembers("nip5");
for (const s of records) {
const [name, pubkey] = s.split(":");
names[name] = pubkey;
}
}
res.send({ names });
},
async info(_, res) {
res.send({ pubkey: serverPubkey });
},
async profile(req, res) {
const { profile } = req.params;
const { data } = decode(profile);
const { pubkey, relays } = data as ProfilePointer;
const user = await getProfile(pubkey, relays);
res.send(user);
},
};
|
