feat(whatsapp,telegram): add groupPolicy config option (#216)
Co-authored-by: Marcus Neves <conhecendo.contato@gmail.com> Co-authored-by: Shadow <hi@shadowing.dev>
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@@ -176,16 +176,44 @@ export async function monitorWebInbox(options: {
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const isSamePhone = from === selfE164;
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const isSelfChat = isSelfChatMode(selfE164, configuredAllowFrom);
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// Pre-compute normalized allowlist for filtering (used by both group and DM checks)
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const hasWildcard = allowFrom?.includes("*") ?? false;
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const normalizedAllowFrom =
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allowFrom && allowFrom.length > 0 ? allowFrom.map(normalizeE164) : [];
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// Group policy filtering: controls how group messages are handled
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// - "open" (default): groups bypass allowFrom, only mention-gating applies
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// - "disabled": block all group messages entirely
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// - "allowlist": only allow group messages from senders in allowFrom
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const groupPolicy = cfg.whatsapp?.groupPolicy ?? "open";
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if (group && groupPolicy === "disabled") {
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logVerbose(`Blocked group message (groupPolicy: disabled)`);
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continue;
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}
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if (group && groupPolicy === "allowlist") {
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// For allowlist mode, the sender (participant) must be in allowFrom
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// If we can't resolve the sender E164, block the message for safety
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const senderAllowed =
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hasWildcard ||
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(senderE164 != null && normalizedAllowFrom.includes(senderE164));
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if (!senderAllowed) {
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logVerbose(
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`Blocked group message from ${senderE164 ?? "unknown sender"} (groupPolicy: allowlist)`,
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);
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continue;
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}
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}
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// DM allowlist filtering (unchanged behavior)
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const allowlistEnabled =
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!group && Array.isArray(allowFrom) && allowFrom.length > 0;
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if (!isSamePhone && allowlistEnabled) {
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const candidate = from;
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const allowedList = allowFrom.map(normalizeE164);
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if (!allowFrom.includes("*") && !allowedList.includes(candidate)) {
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if (!hasWildcard && !normalizedAllowFrom.includes(candidate)) {
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logVerbose(
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`Blocked unauthorized sender ${candidate} (not in allowFrom list)`,
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);
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continue; // Skip processing entirely
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continue;
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}
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}
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