tildebin/netdiary.FINAL at master · pgunn/tildebin · GitHub

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#!/usr/bin/perl -w

# Netdiary, a script to manage progressive entries in a web diary
$editor = 'gvim -f';
$alt_editor = 'vim';
$name = "Pat Gunn";
$includefile = M_gethome() . "/.ndinclude"; # Customize this
$diarydir = M_gethome() . "/netdiary";
my @topush; # List of summary files to push to the site

use POSIX;

my $do_ticons = 1; # Time icons

$nd_ver = "2.2";
$threshold = 10; # If nonzero, how many messages should fit into each page
main();


####################################################################


sub main
{
my $toedit;
my $do_edit = 1;
my $do_post = 1;
my @args = @ARGV;
while($_ = pop @args)
	{
	if( /-u/i) {$do_edit = 0;next;} # Only post (Upload)
	if( /-x/i) {$editor = $alt_editor;next;} # Swap editors
	if( /-n/i) {$do_post = 0;next;} # Only edit new entry (New)
	if( /-b/i) {$do_edit = $do_post = 0;next;} # Only rebuild indices
	if( /-h/i) {die "netdiary [-u][-n]\n\t-u upload only\n\t-n edit only\n";}
	die "usage: netdiary [-u][-n]\n";
	}
if($do_edit)
	{
	$toedit = new_tfile(); # Create a new file, prepare for editing
	system("$editor $toedit"); # And edit it.
	if( -z $toedit)
		{
		unlink ($toedit);
		die "Empty file!"; # Reject empty entries
		}
	}
buildsummary();
if($do_post) {postbuild();} # Do whatever the user wants with the summary
}


#### YOU WILL PROBABLY WANT TO CUSTOMIZE THIS FUNCTION
sub postbuild
{
my $jstring = join " ", @topush;
print `scp -C -v $jstring pgunn\@www.evilnet.net:~pgunn/public_html/diary/`;
#foreach $file (@topush)
#	{
#print `ncftpput -u pgunn -p 0001539980 www.evilnet.net ~pgunn/public_html/diary $file` . "\n";
#	}
}
#### YOU CUSTOMIZED THE ABOVE FUNCTION, RIGHT? RIGHT?!?!?!


sub buildsummary
	# Build the html file from all the entries
{
my $idx; # Index for for-loop

opendir(SUMDIR, $diarydir);
my @files = 			# The list of files is
	sort {$a <=> $b} 	# A numerically sorted list
	grep /^\d+$/i,		# We only want 'number' files
	readdir(SUMDIR); 	# From all the files in the diary dir
closedir(SUMDIR);
$num_ofiles = ($threshold == 0)? 1 : POSIX::ceil( scalar(@files) / $threshold );
# print "Calculated number of files as " . scalar(@files) . " / $threshold = $num_ofiles\n";

# While we're not at the last file
#	{
#	build a summary$number file with increasing $number, telling it if
#		there's another summary or the main summary in front of it
#	}
# Build the main summary. Might overlap with the last numbered summary.
my $files_iter = 0;
my $t_files_iter = 0;
my $ofile_iter = 0;
for(my $fv = 0; $fv < $threshold ; $fv++)
	{push(@lfiles, $files[$fv]);}

#my @lfiles = @files[0 .. $threshold];

pos_update(0);
sumfile("summary0");
sum_childhead(0);

while($ofile_iter < ($num_ofiles - 1)) # Not at the last file
	{
	while(scalar(@lfiles))
		{ parsefile(pop @lfiles); }
	#else need to change files
		{
		sum_tail();
		close(SUM);
		$ofile_iter++;
		pos_update($ofile_iter);
		sumfile("summary" . $ofile_iter);
		sum_childhead($ofile_iter);
		for(my $fv = $threshold * $ofile_iter; $fv < ($threshold*($ofile_iter+1)) ; $fv++)
			{push(@lfiles, $files[$fv]);}
	#	@lfiles = @files[($threshold * $ofile_iter) .. ($threshold * ($ofile_iter+1))]; # Assign the next batch
		}
	}

pos_update($num_ofiles - 1);
sumfile("summary");
sum_head();
$t_files_iter = (($num_ofiles==1) || (scalar(@files) < $threshold))? 0 : (scalar(@files) - $threshold);

my @final_files_to_parse;
while($t_files_iter < scalar(@files) )
	{
	unshift(@final_files_to_parse, $files[$t_files_iter++]);
	}
foreach my $ffp (@final_files_to_parse)
	{
	parsefile($ffp);
	}
sum_tail();
close(SUM);
}


sub sumfile
	# Create a new summary file, open it
{
my $sumname = shift;
my $FN = "$diarydir/$sumname" . ".html";
push(@topush, $FN); # add to list of things to push
unlink($FN); # Clear it out if it exists
if( -e $FN )    {die "Could not clear summary file $FN: $!\n";} # Permissions problem?
open(SUM,">$FN") || die "Cannot open summary file $FN: $!\n"; # Permissions problem
}


sub sum_head
	# Prints HTML header to filehandle <SUM>
{
print SUM <<EOS;
<HEAD><TITLE>Net Diary</TITLE></HEAD>
<BODY BGCOLOR="#AAACCC">
<H3>This is the netdiary of $name</H3>
It is managed with software written by Pat Gunn,
available at <A HREF="http://junior.apk.net/~qc">his webpage</A><br>
</H3>
EOS

if( -e $includefile)
	{
	local $/;
	open(NDI, $includefile);
	my $nddata = <NDI>;
	close(NDI);
	print SUM $nddata;
	}
}

sub sum_childhead
	# Non-mainpage HTML header
{
my $page = shift;
my $displaypage = $page + 1;
print SUM <<EOSI;
<HEAD><TITLE>Net Diary (Page $displaypage)</TITLE></HEAD>
<BODY BGCOLOR="#AAACCC">
<H3>Netdiary of $name, page $displaypage</H3>
EOSI
}

sub sum_tail
	# Prints footer to filehandle <SUM>
{
print SUM $postmagic;
print SUM <<EOTA;
<HR><HR><B>Generated with Netdiary $nd_ver</B></BODY></HTML>
EOTA
close(SUM);
}


sub parsefile
	# Parses a netdiary entry, outputs to <SUM>
{
my $fn_toparse = shift; # Filename to parse
my $entfile;

if(! defined($fn_toparse) )
	{
	die "Asked to parse a nonexistant file in $diarydir\n";
	}
open(ENTFILE, "$diarydir/$fn_toparse") || die "Cannot open file $fn_toparse!\n";
undef $/; # We want to parse it all as a single huge string
$entfile = <ENTFILE>; # Swallow it
do_filter(\$entfile);

my $title = get_title(\$entfile);
my ($tcolor, $bgcolor) = get_colors(\$entfile);
my @topics = get_topics(\$entfile);

if(is_private($entfile))
	{$entfile = "<B>Entry is Private</B>";}
my $datestr = niceformat($fn_toparse);
my $iconstr = ticon($fn_toparse);

write_entry($title, $entfile, $datestr, $iconstr, $bgcolor, $tcolor, \@topics);
#print "Writing entry $fn_toparse\n";

close(ENTFILE);
}


sub write_entry
{
my($title, $entfile, $datestr, $iconstr, $bgcolor, $textcolor, $topics) = @_;
print SUM "<TABLE BORDER=1 BGCOLOR=\"grey\">\n";
print SUM "<TR><TD>$iconstr<TD>$datestr</TR>\n";
print SUM "<TR><TD colspan=\"2\">$title</TR>\n";
if(defined($$topics[0]))
	{
	print SUM "<TR><TD>Topics:<TD>" . join(', ', @$topics) . "</TR>\n";
	}
print SUM "<TR><TD colspan=\"2\" BGCOLOR=\"$bgcolor\"><FONT COLOR=\"$textcolor\"><PRE>$entfile</PRE></FONT></TR>\n";
print SUM "</TABLE><br>\n";
}

sub pos_update
	# Generates the needed HTML for position-dependent journal stuff
	# It might be interesting, but it would complicate the code too much,
	#   to display titles for entries in the next and previous page.
{
my $pindex = shift;

if($pindex < 0) {die "Internal error in pos_update";}
$postmagic = "";
if($num_ofiles == 1) {return;} # Don't bother if this is the only file
if($pindex > 0) # Setup the pre-link, if valid
	{
	$postmagic = 	"[<A HREF=\"" . # A link to
			"summary" .
			(($pindex-1 == 1)? "" : $pindex-1) . # Handle position two
			".html" . # next file entry
			"\">Past</A>]";
	}
if($pindex < ($num_ofiles - 1)) # And the post-link, if valid
	{
	$postmagic .= 	"[<A HREF=\"" . # A link to
			"summary" . ($pindex+1) . ".html" . # next file entry
			"\">Future</A>]";
	}
}

sub niceformat
	# Nicely parses Unix time into a pretty string
{
my $ut = shift;
my $rner = POSIX::ctime($ut);
$rner =~ s/\n$//;
return $rner;
}

sub ticon
{ # Print to the SUM filehandle the appropriate HTML for the time icon
if(! $do_ticons) {return;}
my ($dstr) = @_;
my(undef,$mn,$hr)=localtime($dstr);
my $mins=$mn+(60*$hr);
if(
   ($mins == 0) # before 03:00
   || ($mins > 1080) # After 18:00
  )
	{
	return q{<IMG SRC="time_dusk.jpg" ALT="dusk">};
	}
elsif(
   ($mins > 0) # after 03:00
   && ($mins < 360) # Before 09:00
  )
	{
	return q{<IMG SRC="time_dawn.jpg" ALT="dawn">};
	}
elsif
   (
    ($mins >= 360)
    && ($mins < 720)
   )
	{
	return q{<IMG SRC="time_morning.jpg" ALT="morning">};
	}
else
   {
	return q{<IMG SRC="time_evening.jpg" ALT="evening">};
   }
}

############################################
# File stuff grabbed from psmail
############################################
sub M_gethome
{
return ( (getpwuid($<))[7] );
}

sub new_tfile
	# creates file netdiary/$FILE, where $FILE's name
	# is determined by current unix time
{
my $FN = "$diarydir/" . time();
if( -e $FN )
	{
	sleep(2); # Sleep so clock will increment
	$FN = "$diarydir/" . time();
	}
if( -e $FN ) # This should never happen
	{
	die "Bailing because $FN already exists!\n";
	}
`touch $FN`;
if(! POSIX::access($FN, &POSIX::W_OK) )
	{
	die "Cannot write to $FN!\n";
	}
return($FN);
}

sub is_private
	# Passed the contents of a message, determines if it has the needed
	# tokens that mark it as private
{
my $content = shift;
if($content =~ /^CONTENT: Private/m){return 1;}
else {return 0;}
}

sub get_title
{
my ($entfile) = @_;
$$entfile =~ s/\A([^\n]*)\n\n//; # What's on the first line?
my $returner = $1;
if((! defined($returner)) || ($returner !~ /\w/) )
	{$returner =  "No Title";}
return $returner;
}

sub get_colors
{
my ($entfile) = @_;
if($$entfile =~ s/^COLOR: *([A-Za-z]+)\/([A-Za-z]+)//m)
	{return ($1, $2);}
else
	{return ("green", "black");}
}

sub get_topics
{
my ($entfile) = @_;
if($$entfile =~ s/^TOPICS?: *([^\n]*)\n//m) # Note that . does NOT match newline here
	{return split /,/, $1;}
else
	{return ();}
}

sub do_filter
{
my($entfile_r) = @_;
local $_ = $$entfile_r;
s/^[\n ]+//s; # Remove initial newlines
s/[\n ]+$//s; # and trailing newlines
# s/([^-!])-- /$1 &#2014; /g; # Most browsers don't support this. Alas.
#s/ae/&aelig;/g; # fun, but a no-go
#s/ss/&szlig;/g;
s/EURO/&euro;/g;
s/<PRIVATE>.*?<\/PRIVATE>/<br><br>-PRIVATE_SECTION NOT SHOWN-<br><br>/msg;

$$entfile_r = $_;
}