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#!/usr/local/cpanel/3rdparty/bin/perl

# cpanel - scripts/clean_user_php_sessions         Copyright 2022 cPanel, L.L.C.
#                                                           All rights reserved.
# copyright@cpanel.net                                         http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited

package scripts::clean_user_php_sessions;

use cPstrict;

use Cpanel::PackMan                       ();
use Cpanel::ProgLang::Supported::php::Ini ();
use Cpanel::ProgLang                      ();

if ( !caller() ) {
    exit main(@ARGV);
}

sub main (@args) {

    return help() if grep {
        my $arg = $_;
        grep { $_ eq $arg } qw{-h --help}
    } @args;
    my $regex = $args[0] // "sess_.*";

    die "$0 is not intended to be run by non-root users." if $> != 0;

    # Get available PHP packages
    my @php_common_pkgs = Cpanel::PackMan->instance->list( prefix => "ea-php*-php-common" );
    my @available_pkgs  = map { my $p = $_; $p =~ s/-php-common.*$//; $p } @php_common_pkgs;

    # Get installed PHP packages
    my $php                     = get_cpanel_proglang();
    my $installed_packages_aref = $php->get_installed_packages();
    my %installed_pkgs          = map { $_ => 1 } @$installed_packages_aref;

    foreach my $pkg (@available_pkgs) {
        $installed_pkgs{$pkg} ? clean_installed_pkg_sessions( $pkg, $regex ) : clean_uninstalled_pkg_sessions( $pkg, $regex );
    }

    return 0;
}

my $php;

sub get_cpanel_proglang () {
    $php ||= Cpanel::ProgLang->new( type => 'php' );
    return $php;
}

sub clean_installed_pkg_sessions ( $pkg, $regex ) {

    my $php        = get_cpanel_proglang();
    my $ini        = $php->get_ini( 'package' => $pkg );
    my $directives = $ini->get_basic_directives();
    my ( $path, $maxlifetime );
    foreach my $directive ( @{$directives} ) {
        $maxlifetime = $directive->{'value'} if $directive->{'key'} eq 'session.gc_maxlifetime';
        $path        = $directive->{'value'} if $directive->{'key'} eq 'session.save_path';
    }

    return clean_sessions( $path, $regex, $maxlifetime );
}

sub clean_uninstalled_pkg_sessions ( $pkg, $regex ) {

    # We can only really clean up the default path in '/var/cpanel/php/sessions' at this point
    # since there is no way to know what the customer was really using as their session path
    my $path = $Cpanel::ProgLang::Supported::php::Ini::SESSION_SAVE_PATH . '/' . $pkg;

    return clean_sessions( $path, $regex );
}

sub clean_sessions ( $path, $regex, $maxlife = undef ) {

    # session.save_path could be commented out, in which case we will let PHP handle garbage collection.
    return 0 if !defined $path || !-d $path;

    $maxlife = $Cpanel::ProgLang::Supported::php::Ini::SESSION_MAXLIFETIME if !defined $maxlife;

    # get_basic_directives can return values with leading/trailing whitespace.
    s/^\s+|\s+$//g for ( $path, $maxlife );

    $maxlife = $Cpanel::ProgLang::Supported::php::Ini::SESSION_MAXLIFETIME if $maxlife !~ /^\d+$/;

    my $time = time;

    opendir( my $dh, $path ) or die "Could not open directory $path: $!";

    while ( my $file = readdir $dh ) {
        next if $file !~ m/$regex/i;
        my $ctime = ( stat("$path/$file") )[10];
        unlink "$path/$file" if $time - $ctime > $maxlife;
    }

    return 1;
}

sub help {
    print <<USAGE;
$0 [--help]

$0 SESSION_MATCH_REGEX

Clean expired PHP session files.

PHP session files can be stored in a secure temporary directory. This removes PHP's ability
to clean up its own session files. This script should run at least once per day to remove any old PHP session files, and
is automatically added to your crontab via the /scripts/upcp script.

Users can also set custom session handler code via session_set_save_handler(),
which PHP does not know ahead of time how to clean up. Since a way to register a
session cleanup method does not exist, custom scripts are the only way to clean these up.

This script does allow you to remove all files within session.save_path older than session.gc_maxlifetime.
However, you must use a removal regex to prevent mistakes like save_path=/ destroying a system.

We only remove files with session.save_path that contain /sess_.*/ by default.
If one of your users sets a custom save handler that does not follow this format, you will have to provide
a custom regex to this script (SESSION_MATCH_REGEX).  Make certain that your regex is specific enough to not be
destructive in the event of save_path being misconfigured.

Even then it is possible that users set exotic save handlers, such as writing to a database.
However, in that case one hopes they have good sense enough to clean up after themselves.

The crontab running this script is editable, and should not be overridden by upcp when adding SESSION_MATCH_REGEX.

USAGE
    return 1;
}
1;

Rosenblum TV: Video training, virtual workshops, classes, tutorials
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  • About
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    • The BBC
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    • Spectrum News
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    • Scottish Environmental Protection Agency
  • The Power of Storytelling
  • Why iPhones?
  • Michael on Media
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  • Contact

RE-INVENTING THE TELEVISION NEWS BUSINESS*

A revolution in video storytelling

Creating entirely new & cost-effective production methods

From the world leaders in video production training and the creators of Character Driven Storytelling™

*and every other business that uses video

WHAT WE DO

Over the past 35 years, we have designed, built or restructured some of the most powerful news and journalism companies in the world.

We replace the traditional TV news ‘crew’ with one highly trained journalist, working alone with nothing but an iPhone.

No more TV news ‘crews’, no editors and no field producers.

This is television news done the way newspaper journalism is done – one reporter with their electronic pad and pencil.

In doing this, we can cut the cost of production by as much as 75% while increasing ratings and audience engagement.

In the place of conventional TV news ‘packages’ – ie, reporter stand up, interview, b-roll, man on the street, we marry great journalism with Netflix and Hollywood storytelling.

It’s a combination that works.

We have taken most of our clients to #1 in their respective markets.

And it’s not just for news. Any company, any profit, any NGO and anyone else who is online needs to tell their story in compelling yet cost-effective video. We can teach you to do that. Either in person or virtually.

EXAMPLES OF WHAT WE CAN TEACH YOUR STAFF TO PRODUCE

ITAY HOD

Itay Hod, MMJ with KPIX/CBS in San Francisco, took the 5-Day Intensive Video Storytelling Bootcamp in 2018.

Because he works alone, with only an iPhone, he was able to embed himself with a homeless family.

Here’s the story he produced in a one-day turn.

KIET DO

Kiet Do, an MMJ with KPIX/CBS in San Francisco, took the 5-Day Intensive Video Storytelling Bootcamp in 2021.

Here is a story he produced, all on his own, with only an iPhone and in a one-day turn.

TAYLOR SCHAUB

Taylor Schaub, an MMJ with Spectrum News 1 in LA, took the 5-Day Intensive Video Storytelling Bootcamp in 2023.

Here is a story he turned in only one day, using only an iPhone. It was the first video story he ever did and it was nominated for an Emmy.

THE BOOTCAMP

How do we convert stations and whole networks to working in this way?

Since 1988, we have run intensive 5-Day Video Storytelling Bootcamps

We have done these all over the world.

These are hands-on bootcamps, and participants learn an entirely new way of creating TV news stories.

-We shoot at a 3:1 ratio or lower, so turnaround times are fast.

-We go directly from camera to timelilne and edit – no written scripts.  We work in the medium of pictures and sound.

-We are entirely character-driven.

-We are driven by pictures and real events.

-We are focused almost entirely on ’the viewer experience’.

Since 1988, more than 70,000 journalists around the world have taken our bootcamps, either in person on virtualy.

Case Studies

CBS Case Study Logos
CBS News

We have started to work with CBS News, bringing our ideas of character-driven storytelling to one of the most successful and biggest networks in the United States. Since beginning to work with them ratings have climbed and more importantly, audience engagement is through the ceiling.

Learn More
NYT Case Study Logos
New York Times Television

We started New York Times Television in 1990 and it was the first paper to be brought into the world of TV. It quickly became one of the most successful non-fiction production companies in the United States. The series and documentaries we produced won many awards including multiple Emmys.

Learn More
BBC Case Study Logos
The BBC

We have been working with the BBC since the year 2000 helping to convert their national news network to our visual storytelling technique. Most recently we have trained teams from their sports, documentaries, and comedy divisions to make character-driven stories using only smartphones.

Learn More
Spectrum Case Study Logos
Spectrum News

For the past five years we have worked with Spectrum News to introduce and train their journalists on visual, character driven storytelling using smartphones helping to create a different kind of local news for their network of 24-Hour News Stations across the United States.

Learn More
UN Case Study Logos
The United Nations

In 2006, we were approached by the United Nations. Rather than rely on news outlets, it would be much easier to train the field operatives to produce their own stories. We spent two years working with the UN, training more than 100 of their staff in bootcamps in Geneva and Nairobi.

Learn More
Star Ledger Case Study Logos
The Newark Star-Ledger

We trained 50 print reporters at the paper to shoot and tell their own stories, in conjunction with their print work. We built a TV newsroom in their existing print newsroom – you could not ask for a better set and they began to live stream their stories in conjunction with their print work.

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Mcgraw Hill Case Study Logos
Mcgraw Hill

We spent two years with McGraw Hill, training more than 150 of their staffers, making them completely video literate. McGraw/Hill media properties we transit included Business Week, Aviation Week, (what was the name of the architecture magazine), and JD Power and Associates.

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VOA Case Study Logos
Voice of America

In 1990, we were approached by The Voice of America, the official broadcasting agency for the United States Government. When we met with VOA, they were only a short wave radio broadcaster, but working with them, we took them into television, launching VOA-TV.

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Oyster Case Study Logos
Oyster Yachts

British based Oyster Yachts makes some of the finest yachts in the world. Like every other company, they had to find a way to feed the never-ending video demands of social media – sites like Instagram and TikTok. We trained the Oyster staff to tell their own stories, using only iPhones.

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SEPA Case Study Logos
Scottish Environmental Protection Agency

We were approached by SEPA, the Scottish Environmental Protection Agency because they had to continually find a way to ‘feed the media beast’. The result was that SEPA was able to tell their own stories, whenever they wanted, and at almost no additional cost.

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Image 11-11-22 at 6.25 PM

Michael on Media

Michael Rosenblum has been writing about the media since 1988. His work and ideas have appeared in The Guardian, The Huffington Post, Ilkeston Life and many other publications.

He has been blogging regularly for the past 35 years on this subject. Having taught media studies at Columbia University, NYU and now the University of Oxford, he is considered an expert on this subject.

Continue reading this post or look back at previous posts.

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