OpenAI's Chat Completions name field requires ^[a-zA-Z0-9_-]{1,64}$.
Real-world sender IDs (Discord alice#1234, numeric Telegram IDs, Slack
U07AB12C3DEF, free-form CLI names) often violate this, so a sanitizer
sits between the raw inbound ID and any wire payload.
Disallowed characters collapse into a single underscore, leading and
trailing underscores are trimmed, and the result is byte-safely
truncated to 64 (output is pure ASCII).
This helper will be wired into the agent pipeline in a later commit.
Refs #2702.
67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
// PicoClaw - Ultra-lightweight personal AI agent
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// License: MIT
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//
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// Copyright (c) 2026 PicoClaw contributors
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package messageutil
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import (
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"strings"
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"testing"
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)
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func TestSanitizeMessageName(t *testing.T) {
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tests := []struct {
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name string
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in string
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want string
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}{
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{"empty", "", ""},
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{"whitespace only", " ", ""},
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{"plain ascii", "alice", "alice"},
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{"discord-style id", "alice#1234", "alice_1234"},
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{"telegram numeric id", "141455495", "141455495"},
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{"slack-style id", "U07AB12C3DEF", "U07AB12C3DEF"},
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{"already valid mixed case", "Alice_Bob-99", "Alice_Bob-99"},
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{"strips leading/trailing underscores", "@alice@", "alice"},
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{"collapses runs", "a@@@b", "a_b"},
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{"non-ascii becomes underscores", "李华", ""},
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{"non-ascii mixed", "alice 李", "alice"},
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{"all special chars collapses to empty", "@@@!!!", ""},
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{"truncates to 64", strings.Repeat("a", 100), strings.Repeat("a", 64)},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got := SanitizeMessageName(tt.in)
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if got != tt.want {
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t.Errorf("SanitizeMessageName(%q) = %q, want %q", tt.in, got, tt.want)
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}
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})
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}
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}
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func TestSanitizeMessageName_OutputAlwaysWireSafe(t *testing.T) {
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inputs := []string{
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"alice#1234", "U07AB12C3DEF", "141455495",
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"@@@", "李华", "alice 李", "Alice_Bob-99",
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strings.Repeat("a", 200),
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}
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for _, in := range inputs {
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got := SanitizeMessageName(in)
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if got == "" {
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continue
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}
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if len(got) > maxMessageNameLen {
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t.Errorf("SanitizeMessageName(%q) length %d exceeds max %d", in, len(got), maxMessageNameLen)
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}
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for _, r := range got {
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ok := (r >= 'a' && r <= 'z') ||
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(r >= 'A' && r <= 'Z') ||
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(r >= '0' && r <= '9') ||
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r == '_' || r == '-'
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if !ok {
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t.Errorf("SanitizeMessageName(%q) = %q contains invalid rune %q", in, got, r)
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}
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}
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}
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}
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