135 lines
2.9 KiB
Perl
Executable File
135 lines
2.9 KiB
Perl
Executable File
#! /usr/bin/perl -w
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use strict;
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# Global settings.
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my $releasesDir = "/home/eelco/public_html/nix";
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umask 0002;
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sub printResult {
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my $result = shift;
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print "Content-Type: text/plain\n\n";
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print "$result\n";
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}
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sub uploadFileTo {
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my $path = shift;
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open OUT, ">$path" or die "cannot create $path: $!";
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while (<STDIN>) {
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print OUT "$_" or die;
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}
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close OUT or die;
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}
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my $args = $ENV{"PATH_INFO"};
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# Parse command.
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die unless $args =~ /^\/([a-z-]+)\/(.*)$/;
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my $command = $1;
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$args = $2;
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# Perform the command.
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# Start creation of a release.
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if ($command eq "create") {
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die unless $args =~ /^([A-Za-z0-9-][A-Za-z0-9-\.]*)$/;
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my $releaseName = $1;
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my $uniqueNr = int (rand 1000000);
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my $sessionName = "tmp-$uniqueNr-$releaseName";
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my $releaseDir = "$releasesDir/$sessionName";
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mkdir $releaseDir, 0775 or die "cannot create $releaseDir: $!";
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printResult "$sessionName";
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}
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# Upload a file to a release.
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elsif ($command eq "upload") {
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die unless $args =~ /^([A-Za-z0-9-][A-Za-z0-9-\.]*)((\/[A-Za-z0-9-][A-Za-z0-9-\.]*)+)$/;
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my $sessionName = $1;
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my $path = $2;
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my $fullPath = "$releasesDir/$sessionName/$path";
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uploadFileTo $fullPath;
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printResult "ok";
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}
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# Upload and unpack a tar file to a release.
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elsif ($command eq "upload-tar") {
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die unless $args =~ /^([A-Za-z0-9-][A-Za-z0-9-\.]*)((\/[A-Za-z0-9-][A-Za-z0-9-\.]*)*)$/;
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my $sessionName = $1;
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my $path = $2; # may be empty
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my $fullPath = "$releasesDir/$sessionName/$path";
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system("cd $fullPath && tar xfj - 1>&2") == 0 or die "cannot unpack: $?";
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printResult "ok";
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}
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# Finish the release.
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elsif ($command eq "finish") {
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die unless $args =~ /^([A-Za-z0-9-][A-Za-z0-9-\.]+)$/;
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my $sessionName = $1;
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die unless $sessionName =~ /^tmp-\d+-(.*)$/;
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my $releaseName = $1;
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my $releaseDir1 = "$releasesDir/$sessionName";
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my $releaseDir2 = "$releasesDir/$releaseName";
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system("chmod -R g=u $releaseDir1 1>&2") == 0 or die "cannot chmod: $?";
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if (-d $releaseDir2) {
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my $uniqueNr = int (rand 1000000);
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my $releaseDir3 = "$releasesDir/replaced-$uniqueNr-$releaseName";
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rename $releaseDir2, $releaseDir3
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or die "cannot rename $releaseDir2 to $releaseDir3";
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}
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rename $releaseDir1, $releaseDir2
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or die "cannot rename $releaseDir1 to $releaseDir2";
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printResult "$releaseName";
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}
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# Check for release existence.
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elsif ($command eq "exists") {
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die unless $args =~ /^([A-Za-z0-9-][A-Za-z0-9-\.]*)$/;
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my $releaseName = $1;
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my $releaseDir = "$releasesDir/$releaseName";
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if (-d $releaseDir) {
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printResult "yes";
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} else {
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printResult "no";
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}
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}
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# Upload a single file, outside of a release.
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elsif ($command eq "put") {
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$args = "/" . $args;
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die unless $args =~ /^((\/[A-Za-z0-9-][A-Za-z0-9-\.]*)+)$/;
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my $path = $1;
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my $fullPath = "$releasesDir/$path";
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uploadFileTo $fullPath;
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printResult "ok";
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}
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else {
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die "invalid command";
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}
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