Initial commit

internal/moon/runAndBan.go

@@ -0,0 +1,168 @@
+package moon
+
+import (
+	"time"
+)
+
+func RunAndBan() {
+	for {
+		// If user have both events, he is not spammer. So wipe him from unchecked events list, just for sure.
+		for _, chatid := range ChatList {
+			Log.Infof("RunAndBan by chatid: %d", chatid)
+
+			var ListAppearedMembers, ListNewMembers []int64
+
+			AppearedMembers[chatid].Range(
+				func(k, _ any) bool {
+					ListAppearedMembers = append(ListAppearedMembers, k.(int64))
+
+					return true
+				},
+			)
+
+			NewMembers[chatid].Range(
+				func(k, _ any) bool {
+					ListNewMembers = append(ListNewMembers, k.(int64))
+
+					return true
+				},
+			)
+
+			for _, AppearedMember := range ListAppearedMembers {
+				for _, NewMember := range ListNewMembers {
+					if AppearedMember == NewMember {
+						// TODO: Store also additional attributes in temporary database.
+						Log.Infof(
+							"Skip banning user %s %s (username = %s, id = %d) in %s %s (%d), because it has both events newMember and updateMember",
+							"",
+							"",
+							"",
+							NewMember,
+							"",
+							"",
+							chatid,
+						)
+
+						Log.Infof(
+							"Deleting user %s %s (username = %s, id = %d) in %s %s (%d), from AppearedMember DB",
+							"",
+							"",
+							"",
+							NewMember,
+							"",
+							"",
+							chatid,
+						)
+
+						AppearedMembers[chatid].Delete(AppearedMember)
+
+						Log.Infof(
+							"Deleting user %s %s (username = %s, id = %d) in %s %s (%d), from NewMember DB",
+							"",
+							"",
+							"",
+							NewMember,
+							"",
+							"",
+							chatid,
+						)
+
+						NewMembers[chatid].Delete(NewMember)
+					}
+				}
+			}
+		}
+
+		currentTime := time.Now().Unix()
+
+		// We would like to process only events that definitely older than 10 seconds!
+		for _, chatid := range ChatList {
+			var (
+				ListAppearedMembers, ListNewMembers []int64
+			)
+
+			AppearedMembers[chatid].Range(
+				func(k, v interface{}) bool {
+					ListAppearedMembers = append(ListAppearedMembers, k.(int64))
+
+					return true
+				},
+			)
+
+			NewMembers[chatid].Range(
+				func(k, v interface{}) bool {
+					ListNewMembers = append(ListNewMembers, k.(int64))
+
+					return true
+				},
+			)
+
+			for _, AppearedMember := range ListAppearedMembers {
+				eventTimestamp, found := AppearedMembers[chatid].Get(AppearedMember)
+
+				if !found {
+					continue
+				}
+
+				eventTimeDelta := currentTime - eventTimestamp.(int64)
+
+				// Looks like it is spammer!
+				if eventTimeDelta > 10 {
+					// TODO: Store also additional attributes in temporary database.
+					Log.Infof(
+						"Ban user %s %s (username = %s, id = %d) in chat %s %s (%d) that have no newChatMember message since chatMemberUpdated for more than 10 seconds",
+						"",
+						"",
+						"",
+						AppearedMember,
+						"",
+						"",
+						chatid,
+					)
+
+					squash(
+						chatid,
+						"",
+						"",
+						AppearedMember,
+						"",
+						"",
+						"",
+					)
+
+					AppearedMembers[chatid].Delete(AppearedMember)
+				}
+			}
+
+			for _, NewMember := range ListNewMembers {
+				eventTimestamp, found := NewMembers[chatid].Get(NewMember)
+
+				if !found {
+					continue
+				}
+
+				eventTimeDelta := currentTime - eventTimestamp.(int64)
+
+				// Totally new members should not have chatMemberUpdated events.
+				if eventTimeDelta > 15 {
+					// TODO: Store also additional attributes in temporary database.
+					Log.Debugf("Clean newChatMember event record older than 10 seconds for user user %s %s (username = %s, id = %d) in chat %s %s (%d)",
+						"",
+						"",
+						"",
+						NewMember,
+						"",
+						"",
+						chatid,
+					)
+
+					NewMembers[chatid].Delete(NewMember)
+				}
+			}
+		}
+
+		time.Sleep(10 * time.Second)
+	}
+}
+
+/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */