semantic bufo search
find-bufo.com
bufo
feat(bot): add nsfw filtering and polish stats dashboard
add keyword and self-label filtering to skip nsfw posts from the
firehose. update stats dashboard with source links, show all matched
bufos instead of capping at 20, and note the filtering policy.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
+90
-7
+65
bot/src/jetstream.zig
+65
bot/src/jetstream.zig
···
3
3
const json = std.json;
4
4
const posix = std.posix;
5
5
const Allocator = mem.Allocator;
6
+
7
+
const nsfw_labels: []const []const u8 = &.{
8
+
"porn",
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"sexual",
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"nudity",
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"nsfl",
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"gore",
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};
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+
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// hashtags/keywords to filter in post text (lowercase)
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const nsfw_keywords: []const []const u8 = &.{
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"#nsfw",
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"#porn",
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"#xxx",
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"#18+",
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"#adult",
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"#onlyfans",
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"#sex",
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"#nude",
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"#nudes",
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"#naked",
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"#fetish",
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"#kink",
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};
6
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const websocket = @import("websocket");
7
31
8
32
pub const Post = struct {
···
125
149
const record = commit.object.get("record") orelse return error.NotAPost;
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if (record != .object) return error.NotAPost;
127
151
152
+
// check for nsfw labels
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if (hasNsfwLabels(record.object)) return error.NotAPost;
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+
128
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// get text
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const text_val = record.object.get("text") orelse return error.NotAPost;
130
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if (text_val != .string) return error.NotAPost;
158
+
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// check for nsfw keywords in text
160
+
if (hasNsfwKeywords(text_val.string)) return error.NotAPost;
131
161
132
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// construct uri
133
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var uri_buf: [256]u8 = undefined;
···
141
171
});
142
172
}
143
173
};
174
+
175
+
fn hasNsfwLabels(record: json.ObjectMap) bool {
176
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// labels structure: { "values": [{ "val": "porn" }, ...] }
177
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const labels = record.get("labels") orelse return false;
178
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if (labels != .object) return false;
179
+
180
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const values = labels.object.get("values") orelse return false;
181
+
if (values != .array) return false;
182
+
183
+
for (values.array.items) |item| {
184
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if (item != .object) continue;
185
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const val = item.object.get("val") orelse continue;
186
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if (val != .string) continue;
187
+
188
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for (nsfw_labels) |label| {
189
+
if (mem.eql(u8, val.string, label)) return true;
190
+
}
191
+
}
192
+
return false;
193
+
}
194
+
195
+
fn hasNsfwKeywords(text: []const u8) bool {
196
+
// convert to lowercase for case-insensitive matching
197
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var lower_buf: [4096]u8 = undefined;
198
+
const len = @min(text.len, lower_buf.len);
199
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for (text[0..len], 0..) |c, i| {
200
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lower_buf[i] = std.ascii.toLower(c);
201
+
}
202
+
const lower = lower_buf[0..len];
203
+
204
+
for (nsfw_keywords) |keyword| {
205
+
if (mem.indexOf(u8, lower, keyword) != null) return true;
206
+
}
207
+
return false;
208
+
}
+2
-4
bot/src/stats.zig
+2
-4
bot/src/stats.zig
···
274
274
var top_html: std.ArrayList(u8) = .{};
275
275
defer top_html.deinit(allocator);
276
276
277
-
const limit = @min(top_bufos.items.len, 20);
278
-
279
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// find max count for scaling
280
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var max_count: u64 = 1;
281
-
for (top_bufos.items[0..limit]) |entry| {
279
+
for (top_bufos.items) |entry| {
282
280
if (entry.count > max_count) max_count = entry.count;
283
281
}
284
282
285
-
for (top_bufos.items[0..limit]) |entry| {
283
+
for (top_bufos.items) |entry| {
286
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// scale size: min 60px, max 160px based on count ratio
287
285
const ratio = @as(f64, @floatFromInt(entry.count)) / @as(f64, @floatFromInt(max_count));
288
286
const size: u32 = @intFromFloat(60.0 + ratio * 100.0);
+23
-3
bot/src/stats_template.zig
+23
-3
bot/src/stats_template.zig
···
28
28
\\ }}
29
29
\\ .stat-label {{ color: #aaa; }}
30
30
\\ .stat-value {{ font-weight: bold; }}
31
+
\\ .excluded {{
32
+
\\ margin-top: 20px;
33
+
\\ padding: 12px 0;
34
+
\\ color: #666;
35
+
\\ font-size: 0.9em;
36
+
\\ }}
37
+
\\ .excluded-label {{ color: #666; }}
38
+
\\ .excluded-value {{ color: #888; }}
31
39
\\ h2 {{ color: #7bed9f; margin-top: 40px; font-size: 1.2em; }}
32
40
\\ .bufo-grid {{
33
41
\\ display: flex;
···
73
81
\\ font-size: 0.9em;
74
82
\\ }}
75
83
\\ a {{ color: #7bed9f; }}
84
+
\\ .links {{ color: #666; margin-bottom: 30px; font-size: 0.9em; }}
76
85
\\ .modal {{
77
86
\\ display: none;
78
87
\\ position: fixed;
···
106
115
\\</head>
107
116
\\<body>
108
117
\\<h1>bufo-bot stats</h1>
118
+
\\<div class="links">
119
+
\\ <a href="https://find-bufo.com">find-bufo.com</a> ·
120
+
\\ <a href="https://bsky.app/profile/find-bufo.com">@find-bufo.com</a> ·
121
+
\\ <a href="https://tangled.org/zzstoatzz.io/find-bufo">source</a>
122
+
\\</div>
109
123
\\
110
124
\\<div class="stat">
111
125
\\ <span class="stat-label">uptime</span>
···
136
150
\\ <span class="stat-value" data-num="{}">{}</span>
137
151
\\</div>
138
152
\\
139
-
\\<h2>top bufos</h2>
153
+
\\<div class="excluded">
154
+
\\ <span class="excluded-label">excluded</span>
155
+
\\ <span class="excluded-value">posts with nsfw <a href="https://docs.bsky.app/docs/advanced-guides/moderation#labels">labels</a> or keywords</span>
156
+
\\</div>
157
+
\\
158
+
\\<h2>matched bufos</h2>
140
159
\\<div class="bufo-grid">
141
160
\\{s}
142
161
\\</div>
143
162
\\
144
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\\<div class="footer">
145
-
\\ <a href="https://find-bufo.com">find-bufo.com</a> |
146
-
\\ <a href="https://bsky.app/profile/find-bufo.com">@find-bufo.com</a>
164
+
\\ <a href="https://find-bufo.com">find-bufo.com</a> ·
165
+
\\ <a href="https://bsky.app/profile/find-bufo.com">@find-bufo.com</a> ·
166
+
\\ <a href="https://tangled.org/zzstoatzz.io/find-bufo">source</a>
147
167
\\</div>
148
168
\\<div id="modal" class="modal" onclick="if(event.target===this)closeModal()">
149
169
\\ <div class="modal-content">