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intramine_video.pl
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# intramine_video.pl: show a video in a browser tab, with standard nav bar at top.
# Short name: Video. This is a second level server, under top level "Search".
# data/serverlist.txt entry:
# 1 Search Video intramine_video.pl
# perl C:\perlprogs\intramine\intramine_video.pl
use strict;
use warnings;
use utf8;
use FileHandle;
use Encode::Guess;
use HTML::Entities;
use URI::Escape;
use Win32::Process;
use Path::Tiny qw(path);
use lib path($0)->absolute->parent->child('libs')->stringify;
use common;
use swarmserver;
use win_wide_filepaths;
use win_user32_local;
$| = 1;
my $PAGENAME = '';
my $SHORTNAME = '';
my $server_port = '';
my $port_listen = '';
my %VideMimeTypeForExtension;
$VideMimeTypeForExtension{'mp4'} = 'video/mp4';
$VideMimeTypeForExtension{'m4v'} = 'video/MP4V-ES';
$VideMimeTypeForExtension{'webm'} = 'video/webm';
$VideMimeTypeForExtension{'3gp'} = 'video/3gpp';
$VideMimeTypeForExtension{'mkv'} = 'video/x-matroska';
$VideMimeTypeForExtension{'avi'} = 'video/x-msvideo';
$VideMimeTypeForExtension{'mpeg'} = 'video/mpeg';
$VideMimeTypeForExtension{'ogv'} = 'video/ogg';
$VideMimeTypeForExtension{'ts'} = 'video/mp2t';
$VideMimeTypeForExtension{'3g2'} = 'video/3gpp2';
$VideMimeTypeForExtension{'ogg'} = 'application/ogg';
SSInitialize(\$PAGENAME, \$SHORTNAME, \$server_port, \$port_listen);
my $kLOGMESSAGES = 0; # 1 == Log Output() messages
my $kDISPLAYMESSAGES = 0; # 1 == print messages from Output() to console window
# Log is at logs/IntraMine/$SHORTNAME $port_listen datestamp.txt in the IntraMine folder.
# Use the Output() sub for routine log/print.
StartNewLog($kLOGMESSAGES, $kDISPLAYMESSAGES);
Output("Starting $SHORTNAME on port $port_listen\n\n");
my %RequestAction;
$RequestAction{'href'} = \&ShowVideo; # Open file, href = anything
#$RequestAction{'href'} = \&FullFile; # Open file, href = anything
#$RequestAction{'/file/'} = \&FullFile; # RESTful alternative, /file/is followed by file path in $obj
MainLoop(\%RequestAction);
################### subs
sub ShowVideo {
my ($obj, $formH, $peeraddress) = @_;
if (defined($formH->{'href'}))
{
$formH->{'FULLPATH'} = $formH->{'href'};
}
my $filePath = $formH->{'FULLPATH'};
my $exists = FileOrDirExistsWide($filePath);
if (!$exists)
{
$filePath = "Error, |$filePath| not found on disk.\n";
}
my $ctrlSPath = $filePath;
$ctrlSPath = encode_utf8($ctrlSPath);
$ctrlSPath =~ s!%!%25!g;
$ctrlSPath =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg;
my $title = $filePath;
my $theBody = VideoFileTemplate();
my $fileName = FileNameFromPath($title);
$fileName = &HTML::Entities::encode($fileName);
$theBody =~ s!_TITLE_!$fileName!;
$title =~ s!/!\\!g;
$title = &HTML::Entities::encode($title);
$theBody =~ s!_TITLEHEADER_!$title!;
# Keep this last, else a casual mention of _TITLE_ etc in the file contents
# could get replaced by one of the above substitutions.
my $fileContents = VideoElement($filePath);
$theBody =~ s!_FILECONTENTS_!$fileContents!;
my $tempFilePath = SaveTempVideoFile($theBody);
OpenTempVideoFile($tempFilePath);
}
sub VideoFileTemplate {
my $theBody = <<'FINIS';
<!doctype html>
<html lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>_TITLE_</title>
</head>
<body>
<h2>_TITLEHEADER_</h2>
_FILECONTENTS_
</body></html>
FINIS
return($theBody);
}
sub SaveTempVideoFile {
my ($theBody) = @_;
my $LogDir = FullDirectoryPath('LogDir');
my $basePath = $LogDir . 'temp/tempvideo';
my $randomInteger2 = random_int_between(1001, 60000);
my $tempVideoPath = $basePath . time . $randomInteger2 . '.html';
# TEST ONLY
#print("SaveTempVideoFile \$tempVideoPath: |$tempVideoPath|\n");
WriteBinFileWide($tempVideoPath, $theBody);
return($tempVideoPath);
}
sub OpenTempVideoFile {
my ($tempVideoPath) = @_;
my $proc;
my $status = '';
# TEST ONLY
#print("OpenTempVideoFile \$tempVideoPath: |$tempVideoPath|\n");
Win32::Process::Create($proc, $ENV{COMSPEC}, "/c $tempVideoPath", 0, 0, ".")
|| ($status = Win32::FormatMessage( Win32::GetLastError() ));
}
sub FullFile {
my ($obj, $formH, $peeraddress) = @_;
my $theBody = FullFileTemplate();
if (defined($formH->{'href'}))
{
$formH->{'FULLPATH'} = $formH->{'href'};
}
my $filePath = $formH->{'FULLPATH'};
my $title = $filePath;
my $exists = FileOrDirExistsWide($filePath);
my $ctrlSPath = $filePath;
if ($exists == 1)
{
$title = $filePath;
$ctrlSPath = encode_utf8($ctrlSPath);
$ctrlSPath =~ s!%!%25!g;
$ctrlSPath =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg;
}
# The top navigation bar, with our page name highlighted.
# See swarmserver.pm#TopNav();
my $topNav = TopNav($PAGENAME);
$theBody =~ s!_TOPNAV_!$topNav!;
my $customCSS = '';
$theBody =~ s!_CSS_!$customCSS!;
my $customJS = '';
$theBody =~ s!_JAVASCRIPT_!$customJS!;
# Full path is unhelpful in the <title>, trim down to just file name.
my $fileName = FileNameFromPath($title);
$fileName = &HTML::Entities::encode($fileName);
$theBody =~ s!_TITLE_!$fileName!;
# Flip the slashes for file path in _TITLEHEADER_ at top of the page, for easier
# copy/paste into notepad++ etc.
$title =~ s!/!\\!g;
$title = &HTML::Entities::encode($title);
$theBody =~ s!_TITLEHEADER_!$title!;
# Use $ctrlSPath for $filePath beyond this point.
# Why? It works. Otherwise Unicode is messed up.
$filePath = $ctrlSPath;
$theBody =~ s!_PATH_!$filePath!g;
$theBody =~ s!_ENCODEDPATH_!$ctrlSPath!g;
# Put in main IP, main port, our short name for JavaScript.
PutPortsAndShortnameAtEndOfBody(\$theBody); # swarmserver.pm#PutPortsAndShortnameAtEndOfBody()
# Keep this last, else a casual mention of _TITLE_ etc in the file contents
# could get replaced by one of the above substitutions.
my $fileContents = VideoElement($filePath);
$theBody =~ s!_FILECONTENTS_!$fileContents!;
return($theBody);
}
sub FullFileTemplate {
my $theBody = <<'FINIS';
<!doctype html>
<html lang="en">
<head>
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-touch-fullscreen" content="yes" />
<meta name="google" content="notranslate">
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>_TITLE_</title>
<link rel="stylesheet" type="text/css" href="main.css" />
<link rel="stylesheet" type="text/css" href="forms.css" />
_CSS_
<link rel="stylesheet" type="text/css" href="tooltip.css" />
<link rel="stylesheet" type="text/css" href="dragTOC.css" />
</head>
<body>
_TOPNAV_
<div id="title-block">
<span id="viewEditTitle">_TITLEHEADER_</span><br />
</div>
_FILECONTENTS_
<script src="intramine_config.js"></script>
<script src="spinner.js"></script>
<script src="websockets.js"></script>
<script src="restart.js"></script>
<script src="topnav.js"></script>
<script src="todoFlash.js"></script>
<script src="chatFlash.js"></script>
<script>
window.addEventListener('wsinit', function (e) { wsSendMessage('activity ' + shortServerName + ' ' + ourSSListeningPort); }, false);
</script>
</body></html>
FINIS
return($theBody);
}
sub VideoElement {
my ($filePath) = @_;
my $theBody = <<'FINIS';
<video controls>
<source src="_FILEPATH_"_MIMETYPE_ />
<p>Sorry, your browser doesn't support this video.</p>
</video>
FINIS
$filePath =~ s!\\!/!g;
$theBody =~ s!_FILEPATH_!$filePath!;
my $mimeType = VideoMimeTypeForPath($filePath);
my $mimeTypeAtt = '';
if ($mimeType ne '')
{
$mimeTypeAtt = " type='$mimeType'";
}
$theBody =~ s!_MIMETYPE_!$mimeTypeAtt!;
return($theBody);
}
sub VideoMimeTypeForPath {
my ($filePath) = @_;
my $mimeType = '';
$filePath =~ m!\.([^.]+)$!;
my $ext = $1;
$ext ||= '';
if (defined($VideMimeTypeForExtension{$ext}))
{
$mimeType = $VideMimeTypeForExtension{$ext};
}
return($mimeType);
}