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Made-with: Cursor

openclaw/extensions/signal/src/normalize.ts

@@ -0,0 +1,69 @@
+import { normalizeLowercaseStringOrEmpty } from "openclaw/plugin-sdk/text-runtime";
+
+export function normalizeSignalMessagingTarget(raw: string): string | undefined {
+  const trimmed = raw.trim();
+  if (!trimmed) {
+    return undefined;
+  }
+  let normalized = trimmed;
+  if (normalizeLowercaseStringOrEmpty(normalized).startsWith("signal:")) {
+    normalized = normalized.slice("signal:".length).trim();
+  }
+  if (!normalized) {
+    return undefined;
+  }
+  const lower = normalizeLowercaseStringOrEmpty(normalized);
+  if (lower.startsWith("group:")) {
+    const id = normalized.slice("group:".length).trim();
+    return id ? `group:${id}` : undefined;
+  }
+  if (lower.startsWith("username:")) {
+    const id = normalized.slice("username:".length).trim();
+    return id ? normalizeLowercaseStringOrEmpty(`username:${id}`) : undefined;
+  }
+  if (lower.startsWith("u:")) {
+    const id = normalized.slice("u:".length).trim();
+    return id ? normalizeLowercaseStringOrEmpty(`username:${id}`) : undefined;
+  }
+  if (lower.startsWith("uuid:")) {
+    const id = normalized.slice("uuid:".length).trim();
+    return id ? normalizeLowercaseStringOrEmpty(id) : undefined;
+  }
+  return normalizeLowercaseStringOrEmpty(normalized);
+}
+
+const UUID_PATTERN = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
+const UUID_COMPACT_PATTERN = /^[0-9a-f]{32}$/i;
+
+export function looksLikeSignalTargetId(raw: string, normalized?: string): boolean {
+  const candidates = [raw, normalized ?? ""].map((value) => value.trim()).filter(Boolean);
+
+  for (const candidate of candidates) {
+    if (/^(signal:)?(group:|username:|u:)/i.test(candidate)) {
+      return true;
+    }
+    if (/^(signal:)?uuid:/i.test(candidate)) {
+      const stripped = candidate
+        .replace(/^signal:/i, "")
+        .replace(/^uuid:/i, "")
+        .trim();
+      if (!stripped) {
+        continue;
+      }
+      if (UUID_PATTERN.test(stripped) || UUID_COMPACT_PATTERN.test(stripped)) {
+        return true;
+      }
+      continue;
+    }
+
+    const withoutSignalPrefix = candidate.replace(/^signal:/i, "").trim();
+    if (UUID_PATTERN.test(withoutSignalPrefix) || UUID_COMPACT_PATTERN.test(withoutSignalPrefix)) {
+      return true;
+    }
+    if (/^\+?\d{3,}$/.test(withoutSignalPrefix)) {
+      return true;
+    }
+  }
+
+  return false;
+}