From b2c40b58070e939d927f4737c7a1ff5015a1144d Mon Sep 17 00:00:00 2001
From: Roman Dieser <rdieser@sipwise.com>
Date: Mon, 14 Jan 2013 16:45:05 +0000
Subject: [PATCH] first version of the daily limit check

---
 bin/ngcp-fraud-daily-lock | 102 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100755 bin/ngcp-fraud-daily-lock

diff --git a/bin/ngcp-fraud-daily-lock b/bin/ngcp-fraud-daily-lock
new file mode 100755
index 0000000..adbb186
--- /dev/null
+++ b/bin/ngcp-fraud-daily-lock
@@ -0,0 +1,102 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Email::Sender::Simple qw(sendmail);
+use Sipwise::Provisioning::Billing;
+
+my %LOCK = (
+	none => undef,
+	foreign => 1,
+	outgoing => 2,
+	incoming => 3,
+	global => 4,
+	0 => 'none',
+	1 => 'foreign',
+	2 => 'outgoing',
+	3 => 'incoming',
+	4 => 'global',
+); 
+
+my $conf = Sipwise::Provisioning::Config->new()->get_config();
+
+my $o = Sipwise::Provisioning::Billing->new();
+my $db = $o->{database};
+
+my $a = $db->sql_get_all_arrayref(<<"!");
+SELECT cdr.source_account_id, SUM(cdr.customer_cost) AS daily_cost,
+       contracts.id,
+       billing_mappings.billing_profile_id, billing_mappings.start_date, billing_mappings.end_date,
+       billing_profiles.fraud_daily_limit, billing_profiles.fraud_daily_lock, billing_profiles.fraud_daily_notify
+FROM accounting.cdr
+JOIN billing.contracts ON cdr.source_account_id = contracts.id
+JOIN billing.billing_mappings ON contracts.id = billing_mappings.contract_id
+JOIN billing.billing_profiles 
+   ON (billing_profiles.id = 
+        (SELECT m.billing_profile_id
+         FROM billing.billing_mappings m
+         WHERE ((m.start_date IS NULL) OR (m.start_date <= NOW()))
+           AND ((m.end_date IS NULL) OR (m.end_date >= NOW()))
+           AND (m.contract_id = contracts.id)
+         ORDER BY m.start_date DESC LIMIT 1
+        )
+      )
+WHERE (contracts.status = 'active')
+  AND (DATEDIFF(FROM_UNIXTIME(cdr.start_time), CURDATE()) = 0)
+  AND (billing_profiles.fraud_daily_limit IS NOT NULL)
+GROUP BY cdr.source_account_id
+HAVING (daily_cost > billing_profiles.fraud_daily_limit)
+!
+
+for my $e (@$a) {
+	$e->{fraud_daily_lock} and
+		$o->lock_voip_account({id => $e->{id}, lock => $LOCK{$e->{fraud_daily_lock}}});
+
+	$e->{fraud_daily_notify} or next;
+
+	my $subs = $db->sql_get_all_arrayref(<<"!", $e->{id});
+		SELECT s.username, d.domain, s.external_id
+                  FROM voip_subscribers s
+             LEFT JOIN domains d ON d.id = s.domain_id
+                 WHERE s.contract_id = ?
+!
+
+ my $cur = sprintf('%.2f', $e->{daily_cost} / 100);
+	my $max = sprintf('%.2f', $e->{fraud_daily_limit} / 100);
+
+    my ($subject, $body);
+    if ($e->{fraud_daily_lock}) {
+        $body = "Account ID " . $e->{id} . " has been locked due to exceeding the configured" . "\n"
+              . "credit daily balance threshold ($cur >= $max ).\n\n";
+	$subject = 'Account ID ' . $e->{id} . ' locked by fraud detection';
+    }
+    else {
+        $body = "Account ID " . $e->{id} . " is currently exceeding the configured credit daily balance" . "\n"
+              . "threshold ($cur >= $max), but has not been locked due to configuration.\n\n";
+	$subject = 'Account ID ' . $e->{id} . ' exceeding fraud detection limit';
+    }
+
+	if (!$subs || !@$subs) {
+		$body .= "There are no affected subscribers.\n";
+	}
+	else {
+		$body .= "Affected subscribers:\n";
+		for my $s (@$subs) {
+			$body .= "\t$s->{username}\@$s->{domain}".
+				($s->{external_id} ? " (external ID '$s->{external_id}')"
+				: '') . "\n";
+		}
+	}
+
+    sendmail ( Email::Simple->create(
+        header => [
+            To      => $e->{fraud_daily_notify},
+            From    => $$conf{adminmail},
+            Subject => $subject,
+        ],
+        body => $body,
+    ));
+}
+
+1;