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zmeventnotification.pl
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zmeventnotification.pl
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#!/usr/bin/perl -T
#
# ==========================================================================
#
# THIS SCRIPT MUST BE RUN WITH SUDO OR STARTED VIA ZMDC.PL
#
# ZoneMinder Realtime Notification System
#
# A light weight event notification daemon
# Uses shared memory to detect new events (polls SHM)
# Also opens a websocket connection at a configurable port
# so events can be reported
# Any client can connect to this web socket and handle it further
# for example, send it out via APNS/GCM or any other mechanism
#
# This is a much faster and low overhead method compared to zmfilter
# as there is no DB overhead nor SQL searches for event matches
# ~ PP
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# ==========================================================================
use strict;
use warnings;
use bytes;
use POSIX ':sys_wait_h';
use Time::HiRes qw/gettimeofday/;
use Time::Seconds;
use Symbol qw(qualify_to_ref);
use IO::Select;
use ZoneMinder;
use POSIX;
use DBI;
use version;
$ENV{PATH} = '/bin:/usr/bin';
$ENV{SHELL} = '/bin/sh' if exists $ENV{SHELL};
delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
####################################
my $app_version = '6.1.29';
####################################
if (@ARGV and ($ARGV[0] eq '--version')) {
# do this before any log init etc.
print ("$app_version\n");
exit(0);
}
if ( !try_use('JSON') ) {
if ( !try_use('JSON::XS') ) {
Fatal('JSON or JSON::XS missing');
exit(-1);
}
}
# debugging only.
#use Data::Dumper;
# ==========================================================================
#
# These are app defaults
# Note that you really should not have to to change these values.
# It is better you change them inside the ini file.
# These values are used ONLY if the server cannot find its ini file
# The only one you may want to change is DEFAULT_CONFIG_FILE to point
# to your custom ini file if you don't use --config. The rest should
# go into that config file.
# ==========================================================================
# configuration constants
use constant {
DEFAULT_CONFIG_FILE => '/etc/zm/zmeventnotification.ini',
DEFAULT_PORT => 9000,
DEFAULT_ADDRESS => '[::]',
DEFAULT_AUTH_ENABLE => 'yes',
DEFAULT_AUTH_TIMEOUT => 20,
DEFAULT_FCM_ENABLE => 'yes',
DEFAULT_USE_FCMV1 => 'yes',
DEFAULT_REPLACE_PUSH_MSGS => 'no',
DEFAULT_MQTT_ENABLE => 'no',
DEFAULT_MQTT_SERVER => '127.0.0.1',
DEFAULT_MQTT_TOPIC => 'zoneminder',
DEFAULT_MQTT_TICK_INTERVAL => 15,
DEFAULT_MQTT_RETAIN => 'no',
DEFAULT_FCM_TOKEN_FILE => '/var/lib/zmeventnotification/push/tokens.txt',
DEFAULT_USE_API_PUSH => 'no',
DEFAULT_BASE_DATA_PATH => '/var/lib/zmeventnotification',
DEFAULT_SSL_ENABLE => 'yes',
DEFAULT_CUSTOMIZE_VERBOSE => 'no',
DEFAULT_CUSTOMIZE_EVENT_CHECK_INTERVAL => 5,
DEFAULT_CUSTOMIZE_ES_DEBUG_LEVEL => 5,
DEFAULT_CUSTOMIZE_MONITOR_RELOAD_INTERVAL => 300,
DEFAULT_CUSTOMIZE_READ_ALARM_CAUSE => 'no',
DEFAULT_CUSTOMIZE_TAG_ALARM_EVENT_ID => 'no',
DEFAULT_CUSTOMIZE_USE_CUSTOM_NOTIFICATION_SOUND => 'no',
DEFAULT_CUSTOMIZE_INCLUDE_PICTURE => 'no',
DEFAULT_USE_HOOKS => 'no',
DEFAULT_HOOK_KEEP_FRAME_MATCH_TYPE => 'yes',
DEFAULT_HOOK_USE_HOOK_DESCRIPTION => 'no',
DEFAULT_HOOK_STORE_FRAME_IN_ZM => 'no',
DEFAULT_RESTART_INTERVAL => 7200,
DEFAULT_EVENT_START_NOTIFY_ON_HOOK_FAIL => 'none',
DEFAULT_EVENT_START_NOTIFY_ON_HOOK_SUCCESS => 'none',
DEFAULT_EVENT_END_NOTIFY_ON_HOOK_FAIL => 'none',
DEFAULT_EVENT_END_NOTIFY_ON_HOOK_SUCCESS => 'none',
DEFAULT_EVENT_END_NOTIFY_IF_START_SUCCESS => 'yes',
DEFAULT_SEND_EVENT_START_NOTIFICATION => 'yes',
DEFAULT_SEND_EVENT_END_NOTIFICATION => 'no',
DEFAULT_USE_ESCONTROL_INTERFACE => 'no',
DEFAULT_ESCONTROL_INTERFACE_FILE =>
'/var/lib/zmeventnotification/misc/escontrol_interface.dat',
DEFAULT_FCM_DATE_FORMAT => '%I:%M %p, %d-%b',
DEFAULT_FCM_ANDROID_PRIORITY=>'high',
DEFAULT_FCM_LOG_RAW_MESSAGE=>'no',
DEFAULT_FCM_LOG_MESSAGE_ID=>'NONE',
DEFAULT_MAX_FCM_PER_MONTH_PER_TOKEN => 8000,
DEFAULT_FCM_V1_KEY => 'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJnZW5lcmF0b3IiOiJab25lTWluZGVyIEluYyIsImlhdCI6MTY0MTAxODg0OCwiY2xpZW50Ijoiem1uaW5qYSJ9.ThaCp6WOlAHWrNUcXLcMB3yMWUI16AR0nePjufXcWEA',
DEFAULT_FCM_V1_URL => 'https://us-central1-zoneminder-ninja.cloudfunctions.net/send_push',
DEFAULT_MAX_PARALLEL_HOOKS => 0,
};
# connection state
use constant {
PENDING_AUTH => 1,
VALID_CONNECTION => 2,
INVALID_CONNECTION => 3,
PENDING_DELETE => 4,
};
# connection types
use constant {
FCM => 1000,
MQTT => 1001,
WEB => 1002
};
# child fork states
use constant {
ACTIVE => 100,
EXITED => 101
};
# escontrol notification states
use constant {
ESCONTROL_FORCE_NOTIFY => 1,
ESCONTROL_DEFAULT_NOTIFY => 0,
ESCONTROL_FORCE_MUTE => -1,
};
my $es_terminate = 0;
my $child_forks = 0; # Global tracker of active children
my $parallel_hooks = 0; # Global tracker for active hooks
my $total_forks = 0; # Global tracker of all forks since start
# Declare options.
my $help;
my $version;
my $config_file;
my $config_file_present;
my $check_config;
my $use_escontrol_interface;
my $escontrol_interface_password;
my $escontrol_interface_file;
my $port;
my $address;
my $auth_enabled;
my $auth_timeout;
my $use_mqtt;
my $mqtt_server;
my $mqtt_topic;
my $mqtt_username;
my $mqtt_password;
my $mqtt_tls_ca;
my $mqtt_tls_cert;
my $mqtt_tls_key;
my $mqtt_tls_insecure;
my $mqtt_tick_interval;
my $mqtt_retain;
my $mqtt_last_tick_time = time();
my $use_fcm;
my $use_fcmv1;
my $replace_push_messages;
my $use_api_push;
my $api_push_script;
my $token_file;
my $fcm_date_format;
my $fcm_android_priority;
my $fcm_android_ttl;
my $fcm_log_raw_message;
my $fcm_log_message_id;
my $fcm_v1_key;
my $fcm_v1_url;
my $ssl_enabled;
my $ssl_cert_file;
my $ssl_key_file;
my $console_logs;
my $es_debug_level;
my $event_check_interval;
my $monitor_reload_interval;
my $read_alarm_cause;
my $tag_alarm_event_id;
my $use_custom_notification_sound;
my $send_event_end_notification;
my $send_event_start_notification;
my $use_hooks;
my $event_start_hook;
my $event_end_hook;
my $event_start_hook_notify_userscript;
my $event_end_hook_notify_userscript;
my $event_start_notify_on_hook_fail;
my $event_start_notify_on_hook_success;
my %event_start_notify_on_hook_fail;
my %event_start_notify_on_hook_success;
my $event_end_notify_on_hook_fail;
my $event_end_notify_on_hook_success;
my %event_end_notify_on_hook_fail;
my %event_end_notify_on_hook_success;
my $event_end_notify_if_start_success;
my $use_hook_description;
my $keep_frame_match_type;
my $skip_monitors;
my %skip_monitors;
my $hook_skip_monitors;
my %hook_skip_monitors;
my $hook_pass_image_path;
my $es_rules_file;
my %es_rules;
my $picture_url;
my $include_picture;
my $picture_portal_username;
my $picture_portal_password;
my $secrets;
my $secrets_filename;
my $base_data_path;
my $restart_interval;
my $prefix = "PARENT:";
my $pcnt = 0;
my %fcm_tokens_map;
my $max_parallel_hooks= 0;
my %monitors = ();
my %active_events = ();
my $monitor_reload_time = 0;
my $es_start_time = time();
my $apns_feedback_time = 0;
my $proxy_reach_time = 0;
my @events = ();
my @active_connections = ();
my $wss;
my $zmdc_active = 0;
my $is_timepeice = 1;
# admin interface options
my %escontrol_interface_settings = ( notifications => {} );
my $dummyEventTest = 0
; # if on, will generate dummy events. Not in config for a reason. Only dev testing
my $dummyEventInterval = 20; # timespan to generate events in seconds
my $dummyEventTimeLastSent = time();
# This part makes sure we have the right core deps. See later for optional deps
# for testing only
#use lib qw(/home/pp/fiddle/perl-Net-WebSocket-Server/lib);
my $dbh = zmDbConnect(1); # adding 1 disconnects old connection
logInit();
logSetSignal();
#$SIG{CHLD} = \&chld_sig_handler;
$SIG{CHLD} ='IGNORE';
$SIG{INT} = \&shutdown_sig_handler;
$SIG{TERM} = \&shutdown_sig_handler;
$SIG{ABRT} = \&shutdown_sig_handler;
$SIG{HUP} = \&logrot;
if ( !try_use('Net::WebSocket::Server') ) {
Fatal('Net::WebSocket::Server missing');
}
Info("Running on WebSocket library version:$Net::WebSocket::Server::VERSION");
if (version->parse($Net::WebSocket::Server::VERSION) < version->parse('0.004000')) {
Warning("You are using an old version of Net::WebSocket::Server which can cause lockups. Please upgrade. For more information please see https://zmeventnotification.readthedocs.io/en/latest/guides/es_faq.html#the-es-randomly-hangs");
}
if ( !try_use('IO::Socket::SSL') ) { Fatal('IO::Socket::SSL missing'); }
if ( !try_use('IO::Handle') ) { Fatal('IO::Handle'); }
if ( !try_use('Config::IniFiles') ) { Fatal('Config::Inifiles missing'); }
if ( !try_use('Getopt::Long') ) { Fatal('Getopt::Long missing'); }
if ( !try_use('File::Basename') ) { Fatal('File::Basename missing'); }
if ( !try_use('File::Spec') ) { Fatal('File::Spec missing'); }
if ( !try_use('URI::Escape') ) { Fatal('URI::Escape missing'); }
if ( !try_use('Storable') ) { Fatal('Storable missing'); }
if ( !try_use('Time::Piece') ) {
Error(
'rules: Time::Piece module missing. Dates will not work in es rules json');
$is_timepeice = 0;
}
#
use constant USAGE => <<'USAGE';
Usage: zmeventnotification.pl [OPTION]...
--help Print this page.
--version Print version.
--config=FILE Read options from configuration file (default: /etc/zm/zmeventnotification.ini).
Any CLI options used below will override config settings.
--check-config Print configuration and exit.
USAGE
GetOptions(
'help' => \$help,
'version' => \$version,
'config=s' => \$config_file,
'check-config' => \$check_config,
'debug' => \$console_logs
);
if ($version) {
print($app_version);
exit(0);
}
exit( print(USAGE) ) if $help;
# Read options from a configuration file. If --config is specified, try to
# read it and fail if it can't be read. Otherwise, try the default
# configuration path, and if it doesn't exist, take all the default values by
# loading a blank Config::IniFiles object.
if ( !$config_file ) {
$config_file = DEFAULT_CONFIG_FILE;
$config_file_present = -e $config_file;
} else {
if ( !-e $config_file ) {
Fatal("$config_file does not exist!");
}
$config_file_present = 1;
}
my $config;
if ($config_file_present) {
Info("using config file: $config_file");
$config = Config::IniFiles->new( -file => $config_file );
unless ($config) {
Fatal( "Encountered errors while reading $config_file:\n"
. join( "\n", @Config::IniFiles::errors ) );
}
} else {
$config = Config::IniFiles->new;
Info('No config file found, using inbuilt defaults');
}
$secrets_filename = config_get_val( $config, 'general', 'secrets' );
if ($secrets_filename) {
Info("using secrets file: $secrets_filename");
$secrets = Config::IniFiles->new( -file => $secrets_filename );
unless ($secrets) {
Fatal(join("\n", "Encountered errors while reading $secrets_filename:",
@Config::IniFiles::errors));
}
}
$escontrol_interface_file =
config_get_val( $config, 'general', 'escontrol_interface_file',
DEFAULT_ESCONTROL_INTERFACE_FILE );
$use_escontrol_interface =
config_get_val( $config, 'general', 'use_escontrol_interface',
DEFAULT_USE_ESCONTROL_INTERFACE );
$escontrol_interface_password =
config_get_val( $config, 'general', 'escontrol_interface_password' )
if $use_escontrol_interface;
# secrets need to be loaded before admin
# Do this BEFORE any config_get_val
loadEsControlSettings();
# This will not load parameters in the .ini files
loadEsConfigSettings();
my %ssl_push_opts = ();
if ( $ssl_enabled && ( !$ssl_cert_file || !$ssl_key_file ) ) {
Fatal('SSL is enabled, but key or certificate file is missing');
}
my $notId = 1;
if ($hook_pass_image_path) {
if ( !try_use('ZoneMinder::Event') ) {
Fatal(
'ZoneMinder::Event missing, you may be using an old version. Please turn off hook_pass_image_path in your config'
);
}
}
sub check_for_duplicate_token {
my %token_duplicates = ();
foreach (@active_connections) {
$token_duplicates{$_->{token}}++ if $_->{token};
}
foreach (keys %token_duplicates) {
Debug('...'.substr($_,-10).' occurs: '.$token_duplicates{$_}.' times', 2) if $token_duplicates{$_} > 1;
}
}
sub shutdown_sig_handler {
$es_terminate = 1;
Debug(1, 'Received request to shutdown, please wait');
}
sub chld_sig_handler {
my $saved_status = $!;
Debug(1, 'Child signal handler invoked');
# Wait for a child to terminate
while ((my $cpid = waitpid(-1, WNOHANG)) > 0) {
#$pids_to_reap{$cpid} = { status=>$?, stopped=>time() };
} # end while waitpid
$SIG{CHLD} = \&chld_sig_handler;
$! = $saved_status;
}
# this is just a wrapper around Config::IniFiles val
# older versions don't support a default parameter
sub config_get_val {
my ( $config, $sect, $parm, $def ) = @_;
my $val = $config->val( $sect, $parm );
my $final_val = defined($val) ? $val : $def;
if ($final_val) {
my $first_char = substr( $final_val, 0, 1 );
#Info ("Parsing $final_val with X${fc}X");
if ($first_char eq '!') {
my $token = substr($final_val, 1);
Debug(2, 'Got secret token !' . $token);
Fatal('No secret file found') if !$secrets;
my $secret_val = $secrets->val('secrets', $token);
Fatal('Token:'.$token.' not found in secret file') if !$secret_val;
#Info ('replacing with:'.$secret_val);
$final_val = $secret_val;
}
}
#Info("ESCONTROL_INTERFACE checking override for $parm");
if ( exists $escontrol_interface_settings{$parm} ) {
Debug(
"ESCONTROL_INTERFACE overrides key: $parm with "
. $escontrol_interface_settings{$parm},
2
);
$final_val = $escontrol_interface_settings{$parm};
}
return $final_val if !defined($final_val);
# compatibility hack, lets use yes/no in config to maintain
# parity with hook config
if ( lc($final_val) eq 'yes' ) { $final_val = 1; }
elsif ( lc($final_val) eq 'no' ) { $final_val = 0; }
# now search for substitutions
my @matches = ( $final_val =~ /\{\{(.*?)\}\}/g );
foreach my $token (@matches) {
# check if token exists in either general or its own section
# other-section substitution not supported
my $val = $config->val( 'general', $token );
$val = $config->val( $sect, $token ) if !$val;
Debug(2, "config string substitution: {{$token}} is '$val'");
$final_val =~ s/\{\{$token\}\}/$val/g;
}
return trim($final_val);
}
# Loads all the ini file settings and populates variables
sub loadEsConfigSettings {
$restart_interval = config_get_val( $config, 'general', 'restart_interval',
DEFAULT_RESTART_INTERVAL );
if ( !$restart_interval ) {
Debug(1, 'ES will not be restarted as interval is specified as 0');
} else {
Debug(1, "ES will be restarted at $restart_interval seconds");
}
$skip_monitors = config_get_val($config, 'general', 'skip_monitors');
%skip_monitors = map { $_ => !undef } split(',', $skip_monitors);
# If an option set a value, leave it. If there's a value in the config, use
# it. Otherwise, use a default value if it's available.
$base_data_path = config_get_val( $config, 'general', 'base_data_path',
DEFAULT_BASE_DATA_PATH );
$port = config_get_val( $config, 'network', 'port', DEFAULT_PORT );
$address = config_get_val( $config, 'network', 'address', DEFAULT_ADDRESS );
$auth_enabled =
config_get_val( $config, 'auth', 'enable', DEFAULT_AUTH_ENABLE );
$auth_timeout =
config_get_val( $config, 'auth', 'timeout', DEFAULT_AUTH_TIMEOUT );
$use_mqtt = config_get_val( $config, 'mqtt', 'enable', DEFAULT_MQTT_ENABLE );
$mqtt_server =
config_get_val( $config, 'mqtt', 'server', DEFAULT_MQTT_SERVER );
$mqtt_topic = config_get_val( $config, 'mqtt', 'topic', DEFAULT_MQTT_TOPIC );
$mqtt_username = config_get_val( $config, 'mqtt', 'username' );
$mqtt_password = config_get_val( $config, 'mqtt', 'password' );
$mqtt_tls_ca = config_get_val( $config, 'mqtt', 'tls_ca' );
$mqtt_tls_cert = config_get_val( $config, 'mqtt', 'tls_cert' );
$mqtt_tls_key = config_get_val( $config, 'mqtt', 'tls_key' );
$mqtt_tls_insecure = config_get_val( $config, 'mqtt', 'tls_insecure' );
$mqtt_tick_interval =
config_get_val( $config, 'mqtt', 'tick_interval',
DEFAULT_MQTT_TICK_INTERVAL );
$mqtt_retain =
config_get_val( $config, 'mqtt', 'retain', DEFAULT_MQTT_RETAIN );
$use_fcm = config_get_val( $config, 'fcm', 'enable', DEFAULT_FCM_ENABLE );
$use_fcmv1 = config_get_val( $config, 'fcm', 'use_fcmv1', DEFAULT_USE_FCMV1 );
$replace_push_messages = config_get_val( $config, 'fcm', 'replace_push_messages', DEFAULT_REPLACE_PUSH_MSGS );
$fcm_date_format =
config_get_val( $config, 'fcm', 'date_format', DEFAULT_FCM_DATE_FORMAT );
$fcm_android_priority =
config_get_val( $config, 'fcm', 'fcm_android_priority', DEFAULT_FCM_ANDROID_PRIORITY );
$fcm_android_ttl =
config_get_val( $config, 'fcm', 'fcm_android_ttl');
$use_api_push =
config_get_val( $config, 'push', 'use_api_push', DEFAULT_USE_API_PUSH );
if ($use_api_push) {
$api_push_script = config_get_val( $config, 'push', 'api_push_script' );
Error('You have API push enabled, but no script to handle API pushes')
if !$api_push_script;
}
$token_file =
config_get_val( $config, 'fcm', 'token_file', DEFAULT_FCM_TOKEN_FILE );
$fcm_log_raw_message=
config_get_val( $config, 'fcm', 'fcm_log_raw_message', DEFAULT_FCM_LOG_RAW_MESSAGE );
$fcm_log_message_id=
config_get_val( $config, 'fcm', 'fcm_log_message_id', DEFAULT_FCM_LOG_MESSAGE_ID );
$fcm_v1_key=
config_get_val( $config, 'fcm', 'fcm_v1_key', DEFAULT_FCM_V1_KEY );
$fcm_v1_url=
config_get_val( $config, 'fcm', 'fcm_v1_url', DEFAULT_FCM_V1_URL );
$ssl_enabled = config_get_val( $config, 'ssl', 'enable', DEFAULT_SSL_ENABLE );
$ssl_cert_file = config_get_val( $config, 'ssl', 'cert' );
$ssl_key_file = config_get_val( $config, 'ssl', 'key' );
$console_logs = config_get_val( $config, 'customize', 'console_logs',
DEFAULT_CUSTOMIZE_VERBOSE ) if (!$console_logs);
$es_debug_level = config_get_val( $config, 'customize', 'es_debug_level',
DEFAULT_CUSTOMIZE_ES_DEBUG_LEVEL );
$event_check_interval =
config_get_val( $config, 'customize', 'event_check_interval',
DEFAULT_CUSTOMIZE_EVENT_CHECK_INTERVAL );
$monitor_reload_interval =
config_get_val( $config, 'customize', 'monitor_reload_interval',
DEFAULT_CUSTOMIZE_MONITOR_RELOAD_INTERVAL );
$read_alarm_cause =
config_get_val( $config, 'customize', 'read_alarm_cause',
DEFAULT_CUSTOMIZE_READ_ALARM_CAUSE );
$tag_alarm_event_id =
config_get_val( $config, 'customize', 'tag_alarm_event_id',
DEFAULT_CUSTOMIZE_TAG_ALARM_EVENT_ID );
$use_custom_notification_sound = config_get_val(
$config, 'customize',
'use_custom_notification_sound',
DEFAULT_CUSTOMIZE_USE_CUSTOM_NOTIFICATION_SOUND
);
$picture_url = config_get_val( $config, 'customize', 'picture_url' );
$include_picture = config_get_val( $config, 'customize', 'include_picture',
DEFAULT_CUSTOMIZE_INCLUDE_PICTURE );
$picture_portal_username =
config_get_val( $config, 'customize', 'picture_portal_username' );
$picture_portal_password =
config_get_val( $config, 'customize', 'picture_portal_password' );
$send_event_end_notification =
config_get_val( $config, 'customize', 'send_event_end_notification',
DEFAULT_SEND_EVENT_END_NOTIFICATION );
$send_event_start_notification =
config_get_val( $config, 'customize', 'send_event_start_notification',
DEFAULT_SEND_EVENT_START_NOTIFICATION );
$use_hooks =
config_get_val( $config, 'customize', 'use_hooks', DEFAULT_USE_HOOKS );
$es_rules_file = config_get_val( $config, 'customize', 'es_rules' );
if ($es_rules_file) {
my $hr;
my $fh;
Debug(2, "rules: Loading es rules json: $es_rules_file");
if (open($fh, '<', $es_rules_file)) {
my $data = do { local $/ = undef; <$fh> };
eval { $hr = decode_json($data); };
if ($@) {
Error("rules: Failed decoding es rules: $@");
} else {
%es_rules = %$hr;
#print Dumper(\%es_rules);
}
close($fh);
} else {
Error("rules: Could not open $es_rules_file: $!");
}
} # if es_rules
$event_start_hook = config_get_val( $config, 'hook', 'event_start_hook' );
$event_start_hook_notify_userscript =
config_get_val( $config, 'hook', 'event_start_hook_notify_userscript' );
$event_end_hook_notify_userscript =
config_get_val( $config, 'hook', 'event_end_hook_notify_userscript' );
# backward compatibility
$event_start_hook = config_get_val( $config, 'hook', 'hook_script' )
if !$event_start_hook;
$event_end_hook = config_get_val( $config, 'hook', 'event_end_hook' );
$event_start_notify_on_hook_fail = config_get_val(
$config, 'hook',
'event_start_notify_on_hook_fail',
DEFAULT_EVENT_START_NOTIFY_ON_HOOK_FAIL
);
$event_start_notify_on_hook_success = config_get_val(
$config, 'hook',
'event_start_notify_on_hook_success',
DEFAULT_EVENT_START_NOTIFY_ON_HOOK_SUCCESS
);
$event_end_notify_on_hook_fail = config_get_val(
$config, 'hook',
'event_end_notify_on_hook_fail',
DEFAULT_EVENT_END_NOTIFY_ON_HOOK_FAIL
);
$event_end_notify_on_hook_success = config_get_val(
$config, 'hook',
'event_end_notify_on_hook_success',
DEFAULT_EVENT_END_NOTIFY_ON_HOOK_SUCCESS
);
$max_parallel_hooks = config_get_val(
$config, 'hook',
'max_parallel_hooks',
DEFAULT_MAX_PARALLEL_HOOKS
);
# get channels and convert to hash
%event_start_notify_on_hook_fail = map { $_ => 1 }
split( /\s*,\s*/, lc($event_start_notify_on_hook_fail) );
%event_start_notify_on_hook_success = map { $_ => 1 }
split( /\s*,\s*/, lc($event_start_notify_on_hook_success) );
%event_end_notify_on_hook_fail =
map { $_ => 1 } split( /\s*,\s*/, lc($event_end_notify_on_hook_fail) );
%event_end_notify_on_hook_success = map { $_ => 1 }
split( /\s*,\s*/, lc($event_end_notify_on_hook_success) );
$event_end_notify_if_start_success = config_get_val(
$config, 'hook',
'event_end_notify_if_start_success',
DEFAULT_EVENT_END_NOTIFY_IF_START_SUCCESS
);
$use_hook_description =
config_get_val( $config, 'hook', 'use_hook_description',
DEFAULT_HOOK_USE_HOOK_DESCRIPTION );
$keep_frame_match_type =
config_get_val( $config, 'hook', 'keep_frame_match_type',
DEFAULT_HOOK_KEEP_FRAME_MATCH_TYPE );
$hook_skip_monitors = config_get_val( $config, 'hook', 'hook_skip_monitors' );
%hook_skip_monitors = map { $_ => !undef } split( ',', $hook_skip_monitors ) if $hook_skip_monitors;
$hook_pass_image_path = config_get_val( $config, 'hook', 'hook_pass_image_path' );
}
# helper routines to print config status in help
sub yes_or_no {
return $_[0] ? 'yes' : 'no';
}
sub default_or_custom {
return $_[0] eq $_[1] ? 'default' : 'custom';
}
sub value_or_undefined {
return defined($_[0]) ? $_[0] : '(undefined)';
#return $_[0] || '(undefined)';
}
sub present_or_not {
return $_[0] ? '(defined)' : '(undefined)';
}
sub print_config {
my $abs_config_file = File::Spec->rel2abs($config_file);
print(
<<"EOF"
${\(
$config_file_present ?
"Configuration (read $abs_config_file)" :
"Default configuration ($abs_config_file doesn't exist)"
)}:
Secrets file.......................... ${\(value_or_undefined($secrets_filename))}
Base data path........................ ${\(value_or_undefined($base_data_path))}
Restart interval (secs)............... ${\(value_or_undefined($restart_interval))}
Use admin interface .................. ${\(yes_or_no($use_escontrol_interface))}
Admin interface password.............. ${\(present_or_not($escontrol_interface_password))}
Admin interface persistence file ..... ${\(value_or_undefined($escontrol_interface_file))}
Port ................................. ${\(value_or_undefined($port))}
Address .............................. ${\(value_or_undefined($address))}
Event check interval ................. ${\(value_or_undefined($event_check_interval))}
Monitor reload interval .............. ${\(value_or_undefined($monitor_reload_interval))}
Skipped monitors...................... ${\(value_or_undefined($skip_monitors))}
Auth enabled ......................... ${\(yes_or_no($auth_enabled))}
Auth timeout ......................... ${\(value_or_undefined($auth_timeout))}
Use API Push.......................... ${\(yes_or_no($use_api_push))}
API Push Script....................... ${\(value_or_undefined($api_push_script))}
Use FCM .............................. ${\(yes_or_no($use_fcm))}
Use FCM V1 APIs....................... ${\(yes_or_no($use_fcmv1))}
FCM Date Format....................... ${\(value_or_undefined($fcm_date_format))}
Only show latest FCMv1 message........ ${\(yes_or_no($replace_push_messages))}
Android FCM push priority............. ${\(value_or_undefined($fcm_android_priority))}
Android FCM push ttl.................. ${\(value_or_undefined($fcm_android_ttl))}
Log FCM message ID.................... ${\(value_or_undefined($fcm_log_message_id))}
Log RAW FCM Messages.................. ${\(yes_or_no($fcm_log_raw_message))}
FCM V1 URL............................ ${\(value_or_undefined($fcm_v1_url))}
FCM V1 Key............................ ${\(default_or_custom($fcm_v1_key, DEFAULT_FCM_V1_KEY))}
Token file ........................... ${\(value_or_undefined($token_file))}
Use MQTT ............................. ${\(yes_or_no($use_mqtt))}
MQTT Server .......................... ${\(value_or_undefined($mqtt_server))}
MQTT Topic ........................... ${\(value_or_undefined($mqtt_topic))}
MQTT Username ........................ ${\(value_or_undefined($mqtt_username))}
MQTT Password ........................ ${\(present_or_not($mqtt_password))}
MQTT Retain .......................... ${\(yes_or_no($mqtt_retain))}
MQTT Tick Interval ................... ${\(value_or_undefined($mqtt_tick_interval))}
MQTT TLS CA .......................... ${\(value_or_undefined($mqtt_tls_ca))}
MQTT TLS Cert ........................ ${\(value_or_undefined($mqtt_tls_cert))}
MQTT TLS Key ......................... ${\(value_or_undefined($mqtt_tls_key))}
MQTT TLS Insecure .................... ${\(yes_or_no($mqtt_tls_insecure))}
SSL enabled .......................... ${\(yes_or_no($ssl_enabled))}
SSL cert file ........................ ${\(value_or_undefined($ssl_cert_file))}
SSL key file ......................... ${\(value_or_undefined($ssl_key_file))}
Verbose .............................. ${\(yes_or_no($console_logs))}
ES Debug level........................ ${\(value_or_undefined($es_debug_level))}
Read alarm cause ..................... ${\(yes_or_no($read_alarm_cause))}
Tag alarm event id ................... ${\(yes_or_no($tag_alarm_event_id))}
Use custom notification sound ........ ${\(yes_or_no($use_custom_notification_sound))}
Send event start notification......... ${\(yes_or_no($send_event_start_notification))}
Send event end notification........... ${\(yes_or_no($send_event_end_notification))}
Monitor rules JSON file............... ${\(value_or_undefined($es_rules_file))}
Use Hooks............................. ${\(yes_or_no($use_hooks))}
Max Parallel Hooks.................... ${\(value_or_undefined($max_parallel_hooks))}
Hook Script on Event Start ........... ${\(value_or_undefined($event_start_hook))}
User Script on Event Start............ ${\(value_or_undefined($event_start_hook_notify_userscript))}
Hook Script on Event End.............. ${\(value_or_undefined($event_end_hook))}
User Script on Event End.............. ${\(value_or_undefined($event_end_hook_notify_userscript))}
Hook Skipped monitors................. ${\(value_or_undefined($hook_skip_monitors))}
Notify on Event Start (hook success).. ${\(value_or_undefined($event_start_notify_on_hook_success))}
Notify on Event Start (hook fail)..... ${\(value_or_undefined($event_start_notify_on_hook_fail))}
Notify on Event End (hook success).... ${\(value_or_undefined($event_end_notify_on_hook_success))}
Notify on Event End (hook fail)....... ${\(value_or_undefined($event_end_notify_on_hook_fail))}
Notify End only if Start success...... ${\(yes_or_no($event_end_notify_if_start_success))}
Use Hook Description.................. ${\(yes_or_no($use_hook_description))}
Keep frame match type................. ${\(yes_or_no($keep_frame_match_type))}
Store Frame in ZM..................... ${\(yes_or_no($hook_pass_image_path))}
Picture URL .......................... ${\(value_or_undefined($picture_url))}
Include picture....................... ${\(yes_or_no($include_picture))}
Picture username ..................... ${\(value_or_undefined($picture_portal_username))}
Picture password ..................... ${\(present_or_not($picture_portal_password))}
EOF
);
}
exit(print_config()) if $check_config;
print_config() if $console_logs;
ZoneMinder::Logger::logTermLevel(DEBUG1) if $console_logs;
# Lets now load all the optional dependent libraries in a failsafe way
# Fetch whatever options are available from CLI arguments.
if ($use_fcm) {
if ( !try_use('LWP::UserAgent')
|| !try_use('URI::URL')
|| !try_use('LWP::Protocol::https') )
{
Fatal(
'FCM push mode needs LWP::Protocol::https, LWP::UserAgent and URI::URL perl packages installed'
);
} else {
Info('Push enabled via FCM');
Debug(2, "fcmv1: --> FCM V1 APIs: $use_fcmv1");
Debug(1, "fcmv1:--> Your FCM messages will be LOGGED at pliablepixel's server because your fcm_log_raw_message in zmeventnotification.ini is yes. Please turn it off, if you don't want it to!") if $fcm_log_raw_message;
}
} else {
Info('FCM disabled.');
}
if ($use_api_push) {
Info("Pushes will be sent through APIs and will use $api_push_script");
}
if ($use_mqtt) {
if (!try_use('Net::MQTT::Simple')) {
Fatal('Net::MQTT::Simple missing');
exit(-1);
}
if (defined $mqtt_tls_ca && !try_use('Net::MQTT::Simple::SSL')) {
Fatal('Net::MQTT::Simple:SSL missing');
exit(-1);
}
Info('MQTT Enabled');
} else {
Info('MQTT Disabled');
}
sub Usage {
print("This daemon is not meant to be invoked from command line\n");
exit(-1);
}
sub logrot {
logReinit();
Debug(1, 'log rotate HUP handler processed, logs re-inited');
}
# https://docstore.mik.ua/orelly/perl4/cook/ch07_24.htm
sub sysreadline(*;$) {
my ( $handle, $timeout ) = @_;
$handle = qualify_to_ref( $handle, caller() );
my $infinitely_patient = ( @_ == 1 || $timeout < 0 );
my $start_time = time();
my $selector = IO::Select->new();
$selector->add($handle);
my $line = "";
SLEEP:
until ( at_eol($line) ) {
unless ($infinitely_patient) {
return $line if time() > ( $start_time + $timeout );
}
# sleep only 1 second before checking again
next SLEEP unless $selector->can_read(1.0);
INPUT_READY:
while ( $selector->can_read(0.0) ) {
my $was_blocking = $handle->blocking(0);
CHAR: while ( sysread( $handle, my $nextbyte, 1 ) ) {
$line .= $nextbyte;
last CHAR if $nextbyte eq "\n";
}
$handle->blocking($was_blocking);
# if incomplete line, keep trying
next SLEEP unless at_eol($line);
last INPUT_READY;
}
}
return $line;
}
sub at_eol($) { $_[0] =~ /\n\z/ }
# Main entry point
#
Info("|------- Starting ES version: $app_version ---------|");
Debug(2, "Started with: perl:" . $^X . " and command:" . $0);
my $zmdc_status = `zmdc.pl status zmeventnotification.pl`;
if (index($zmdc_status, 'running since') != -1) {
$zmdc_active = 1;
Debug(1, 'ES invoked via ZMDC. Will exit when needed and have zmdc restart it');
} else {
Debug(1, 'ES invoked manually. Will handle restarts ourselves');
}
Warning(
'WARNING: SSL is disabled, which means all traffic will be unencrypted')
unless $ssl_enabled;
pipe( READER, WRITER ) || die "pipe failed: $!";
WRITER->autoflush(1);
my ( $rin, $rout ) = ('');
vec( $rin, fileno(READER), 1 ) = 1;
Debug(2, 'Parent<--Child pipe ready');
if ($use_fcm) {
my $dir = dirname($token_file);
if ( !-d $dir ) {
Debug(1, "Creating $dir to store FCM tokens");
mkdir $dir;
}
}
Info("Event Notification daemon v $app_version starting");
loadPredefinedConnections();
initSocketServer();
Info("Event Notification daemon exiting");
exit();
# left and right trim
sub trim { my $s = shift; $s =~ s/^\s+|\s+$//g; return $s };
# Try to load a perl module
# and if it is not available
# generate a log
sub try_use {
my $module = shift;
eval("use $module");
return ( $@ ? 0 : 1 );
}
# splits JSON string from detection title string
sub parseDetectResults {
my $results = shift;
my ($txt, $jsonstring) = $results ? split('--SPLIT--', $results) : ('','[]');
#ensure defined results so quiet warnings
$txt = '' if !$txt;
$jsonstring = '[]' if !$jsonstring;
Debug(2, "parse of hook:$txt and $jsonstring from $results");
return ($txt, $jsonstring);
}
sub saveEsControlSettings {