| 1 | #!/usr/bin/perl -w
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| 2 |
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| 3 | # Need to specify the full path of Perl above
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| 4 |
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| 5 |
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| 6 | use gsdlCGI;
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| 7 | use strict;
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| 8 |
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| 9 |
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| 10 | my $debugging_enabled = 0;
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| 11 |
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| 12 | my $mail_enabled = 0;
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| 13 | my $mail_to_address = "user\@server"; # Set this appropriately
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| 14 | my $mail_from_address = "user\@server"; # Set this appropriately
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| 15 | my $mail_smtp_server = "smtp.server"; # Set this appropriately
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| 16 |
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| 17 |
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| 18 | sub main
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| 19 | {
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| 20 | my $gsdl_cgi = new gsdlCGI();
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| 21 |
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| 22 | # Load the Greenstone modules that we need to use
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| 23 | $gsdl_cgi->setup_gsdl();
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| 24 | my $gsdlhome = $ENV{'GSDLHOME'};
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| 25 | $gsdl_cgi->checked_chdir($gsdlhome);
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| 26 | require "$gsdlhome/perllib/util.pm"; # This is OK on Windows
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| 27 | require "$gsdlhome/perllib/cpan/Crypt/UnixCrypt.pm"; # This is OK on Windows
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| 28 |
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| 29 | # Encrypt the password
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| 30 | if (defined $gsdl_cgi->param("pw")) {
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| 31 | $gsdl_cgi->param('-name' => "pw", '-value' => &Crypt::UnixCrypt::crypt($gsdl_cgi->clean_param("pw"), "Tp"));
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| 32 | }
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| 33 |
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| 34 | $gsdl_cgi->parse_cgi_args();
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| 35 |
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| 36 | # We don't want the gsdlCGI module to return errors and warnings in XML
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| 37 | $gsdl_cgi->{'xml'} = 0;
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| 38 |
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| 39 | # Retrieve the (required) command CGI argument
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| 40 | my $cmd = $gsdl_cgi->clean_param("cmd");
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| 41 | if (!defined $cmd) {
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| 42 | $gsdl_cgi->generate_error("No command specified.");
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| 43 | }
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| 44 | $gsdl_cgi->delete("cmd");
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| 45 |
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| 46 | # The check-installation command has no arguments
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| 47 | if ($cmd eq "check-installation") {
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| 48 | &check_installation($gsdl_cgi);
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| 49 | return;
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| 50 | }
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| 51 |
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| 52 | # All other commands require a username, for locking and authentication
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| 53 | my $username = $gsdl_cgi->clean_param("un");
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| 54 | if ((!defined $username) || ($username =~ m/^\s*$/)) {
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| 55 | $gsdl_cgi->generate_error("No username specified.");
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| 56 | }
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| 57 | # Remove the un argument (since this can mess up other scripts)
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| 58 | $gsdl_cgi->delete("un");
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| 59 |
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| 60 | # Get then remove the ts (timestamp) argument (since this can mess up other scripts)
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| 61 | my $timestamp = $gsdl_cgi->clean_param("ts");
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| 62 | if ((!defined $timestamp) || ($timestamp =~ m/^\s*$/)) {
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| 63 | $timestamp = time(); # Fall back to using the Perl time() function to generate a timestamp
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| 64 | }
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| 65 | $gsdl_cgi->delete("ts");
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| 66 |
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| 67 | if ($cmd eq "delete-collection") {
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| 68 | &delete_collection($gsdl_cgi, $username, $timestamp);
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| 69 | }
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| 70 | elsif ($cmd eq "download-collection") {
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| 71 | &download_collection($gsdl_cgi, $username, $timestamp);
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| 72 | }
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| 73 | elsif ($cmd eq "download-collection-archives") {
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| 74 | &download_collection_archives($gsdl_cgi, $username, $timestamp);
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| 75 | }
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| 76 | elsif ($cmd eq "download-collection-configurations") {
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| 77 | &download_collection_configurations($gsdl_cgi, $username, $timestamp);
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| 78 | }
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| 79 | elsif ($cmd eq "download-collection-file") {
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| 80 | &download_collection_file($gsdl_cgi, $username, $timestamp);
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| 81 | }
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| 82 | elsif ($cmd eq "delete-collection-file") {
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| 83 | &delete_collection_file($gsdl_cgi, $username, $timestamp);
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| 84 | }
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| 85 | elsif ($cmd eq "get-script-options") {
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| 86 | &get_script_options($gsdl_cgi, $username, $timestamp);
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| 87 | }
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| 88 | elsif ($cmd eq "move-collection-file") {
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| 89 | &move_collection_file($gsdl_cgi, $username, $timestamp);
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| 90 | }
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| 91 | elsif ($cmd eq "new-collection-directory") {
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| 92 | &new_collection_directory($gsdl_cgi, $username, $timestamp);
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| 93 | }
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| 94 | elsif ($cmd eq "run-script") {
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| 95 | &run_script($gsdl_cgi, $username, $timestamp);
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| 96 | }
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| 97 | elsif ($cmd eq "timeout-test") {
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| 98 | while (1) { }
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| 99 | }
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| 100 | elsif ($cmd eq "upload-collection-file") {
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| 101 | &upload_collection_file($gsdl_cgi, $username, $timestamp);
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| 102 | }
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| 103 | else {
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| 104 | $gsdl_cgi->generate_error("Unrecognised command: '$cmd'");
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| 105 | }
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| 106 | }
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| 107 |
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| 108 |
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| 109 | sub authenticate_user
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| 110 | {
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| 111 |
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| 112 | my $gsdl_cgi = shift(@_);
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| 113 | my $username = shift(@_);
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| 114 | my $collection = shift(@_);
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| 115 |
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| 116 | # Remove the pw argument (since this can mess up other scripts)
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| 117 | my $user_password = $gsdl_cgi->clean_param("pw");
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| 118 | $gsdl_cgi->delete("pw");
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| 119 |
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| 120 | if ((!defined $user_password) || ($user_password =~ m/^\s*$/)) {
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| 121 | $gsdl_cgi->generate_error("Authentication failed: no password specified.");
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| 122 | }
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| 123 |
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| 124 | my $gsdlhome = $ENV{'GSDLHOME'};
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| 125 | my $etc_directory = &util::filename_cat($gsdlhome, "etc");
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| 126 | my $users_db_file_path = &util::filename_cat($etc_directory, "users.db");
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| 127 |
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| 128 | # Use db2txt instead of GDBM_File to get the user accounts information
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| 129 | my $users_db_content = "";
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| 130 | open(USERS_DB, "db2txt \"$users_db_file_path\" |");
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| 131 | while (<USERS_DB>) {
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| 132 | $users_db_content .= $_;
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| 133 | }
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| 134 |
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| 135 | # Get the user account information from the users.db database
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| 136 | my %users_db_data = ();
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| 137 | foreach my $users_db_entry (split(/-{70}/, $users_db_content)) {
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| 138 | if ($users_db_entry =~ /\n?\[(.+)\]\n/) {
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| 139 | $users_db_data{$1} = $users_db_entry;
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| 140 | }
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| 141 | }
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| 142 |
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| 143 | # Check username
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| 144 | my $user_data = $users_db_data{$username};
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| 145 | if (!defined $user_data) {
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| 146 | $gsdl_cgi->generate_error("Authentication failed: no account for user '$username'.");
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| 147 | }
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| 148 |
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| 149 | # Check password
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| 150 | my ($valid_user_password) = ($user_data =~ /\<password\>(.*)/);
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| 151 | if ($user_password ne $valid_user_password) {
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| 152 | $gsdl_cgi->generate_error("Authentication failed: incorrect password.");
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| 153 | }
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| 154 |
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| 155 | # Check group
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| 156 | my ($user_groups) = ($user_data =~ /\<groups\>(.*)/);
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| 157 | if ($collection eq "") {
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| 158 | # If we're not editing a collection then the user doesn't need to be in a particular group
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| 159 | return $user_groups; # Authentication successful
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| 160 | }
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| 161 | foreach my $user_group (split(/\,/, $user_groups)) {
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| 162 | # Does this user have access to all collections?
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| 163 | if ($user_group eq "all-collections-editor") {
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| 164 | return $user_groups; # Authentication successful
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| 165 | }
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| 166 | # Does this user have access to personal collections, and is this one?
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| 167 | if ($user_group eq "personal-collections-editor" && $collection =~ /^$username\-/) {
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| 168 | return $user_groups; # Authentication successful
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| 169 | }
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| 170 | # Does this user have access to this collection
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| 171 | if ($user_group eq "$collection-collection-editor") {
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| 172 | return $user_groups; # Authentication successful
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| 173 | }
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| 174 | }
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| 175 |
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| 176 | $gsdl_cgi->generate_error("Authentication failed: user is not in the required group.");
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| 177 | }
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| 178 |
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| 179 |
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| 180 | sub lock_collection
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| 181 | {
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| 182 | my $gsdl_cgi = shift(@_);
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| 183 | my $username = shift(@_);
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| 184 | my $collection = shift(@_);
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| 185 |
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| 186 | my $steal_lock = $gsdl_cgi->clean_param("steal_lock");
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| 187 | $gsdl_cgi->delete("steal_lock");
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| 188 |
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| 189 | my $gsdlhome = $ENV{'GSDLHOME'};
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| 190 | my $collection_directory = &util::filename_cat($gsdlhome, "collect", $collection);
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| 191 | $gsdl_cgi->checked_chdir($collection_directory);
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| 192 |
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| 193 | # Check if a lock file already exists for this collection
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| 194 | my $lock_file_name = "gli.lck";
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| 195 | if (-e $lock_file_name) {
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| 196 | # A lock file already exists... check if it's ours
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| 197 | my $lock_file_content = "";
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| 198 | open(LOCK_FILE, "<$lock_file_name");
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| 199 | while (<LOCK_FILE>) {
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| 200 | $lock_file_content .= $_;
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| 201 | }
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| 202 | close(LOCK_FILE);
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| 203 |
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| 204 | # Pick out the owner of the lock file
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| 205 | $lock_file_content =~ /\<User\>(.*?)\<\/User\>/;
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| 206 | my $lock_file_owner = $1;
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| 207 |
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| 208 | # The lock file is ours, so there is no problem
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| 209 | if ($lock_file_owner eq $username) {
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| 210 | return;
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| 211 | }
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| 212 |
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| 213 | # The lock file is not ours, so throw an error unless "steal_lock" is set
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| 214 | unless (defined $steal_lock) {
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| 215 | $gsdl_cgi->generate_error("Collection is locked by: $lock_file_owner");
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| 216 | }
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| 217 | }
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| 218 |
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| 219 | my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) = localtime(time);
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| 220 | my $current_time = sprintf("%02d/%02d/%d %02d:%02d:%02d", $mday, $mon + 1, $year + 1900, $hour, $min, $sec);
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| 221 |
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| 222 | # Create a lock file for us (in the same format as the GLI) and we're done
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| 223 | open(LOCK_FILE, ">$lock_file_name");
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| 224 | print LOCK_FILE "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
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| 225 | print LOCK_FILE "<LockFile>\n";
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| 226 | print LOCK_FILE " <User>" . $username . "</User>\n";
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| 227 | print LOCK_FILE " <Machine>(Remote)</Machine>\n";
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| 228 | print LOCK_FILE " <Date>" . $current_time . "</Date>\n";
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| 229 | print LOCK_FILE "</LockFile>\n";
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| 230 | close(LOCK_FILE);
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| 231 | }
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| 232 |
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| 233 |
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| 234 | # ----------------------------------------------------------------------------------------------------
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| 235 | # ACTIONS
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| 236 | # ----------------------------------------------------------------------------------------------------
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| 237 |
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| 238 |
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| 239 | sub check_installation
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| 240 | {
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| 241 | my ($gsdl_cgi) = @_;
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| 242 |
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| 243 | my $installation_ok = 1;
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| 244 | my $installation_status = "";
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| 245 |
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| 246 | # Check that Java is installed and accessible
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| 247 | my $java = $gsdl_cgi->get_java_path();
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| 248 | my $java_command = "$java -version 2>&1";
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| 249 | my $java_output = `$java_command`;
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| 250 | my $java_status = $?;
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| 251 | if ($java_status < 0) {
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| 252 | # The Java command failed
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| 253 | $installation_status = "Java failed -- do you have the Java run-time installed?\n" . $gsdl_cgi->check_java_home() . "\n";
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| 254 | $installation_ok = 0;
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| 255 | }
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| 256 | else {
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| 257 | $installation_status = "Java found: $java_output";
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| 258 | }
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| 259 |
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| 260 | # Show the values of some important environment variables
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| 261 | $installation_status .= "\n";
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| 262 | $installation_status .= "GSDLHOME: " . $ENV{'GSDLHOME'} . "\n";
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| 263 | $installation_status .= "GSDLOS: " . $ENV{'GSDLOS'} . "\n";
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| 264 | $installation_status .= "PATH: " . $ENV{'PATH'} . "\n";
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| 265 |
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| 266 | if ($installation_ok) {
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| 267 | $gsdl_cgi->generate_ok_message($installation_status . "\nInstallation OK!");
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| 268 | }
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| 269 | else {
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| 270 | $gsdl_cgi->generate_error($installation_status);
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| 271 | }
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| 272 | }
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| 273 |
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| 274 |
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| 275 | sub delete_collection
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| 276 | {
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| 277 | my ($gsdl_cgi, $username, $timestamp) = @_;
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| 278 |
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| 279 | my $collection = $gsdl_cgi->clean_param("c");
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| 280 | if ((!defined $collection) || ($collection =~ m/^\s*$/)) {
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| 281 | $gsdl_cgi->generate_error("No collection specified.");
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| 282 | }
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| 283 |
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| 284 | # Ensure the user is allowed to edit this collection
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| 285 | &authenticate_user($gsdl_cgi, $username, $collection);
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| 286 |
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| 287 | my $gsdlhome = $ENV{'GSDLHOME'};
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| 288 | my $collect_directory = &util::filename_cat($gsdlhome, "collect");
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| 289 | $gsdl_cgi->checked_chdir($collect_directory);
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| 290 |
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| 291 | # Check that the collection exists
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| 292 | if (!-d $collection) {
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| 293 | $gsdl_cgi->generate_error("Collection $collection does not exist.");
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| 294 | }
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| 295 |
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| 296 | # Make sure the collection isn't locked by someone else
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| 297 | &lock_collection($gsdl_cgi, $username, $collection);
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| 298 |
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| 299 | $gsdl_cgi->checked_chdir($collect_directory);
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| 300 | $gsdl_cgi->local_rm_r("$collection");
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| 301 |
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| 302 | # Check that the collection was deleted
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| 303 | if (-e $collection) {
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| 304 | $gsdl_cgi->generate_error("Could not delete collection $collection.");
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| 305 | }
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| 306 |
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| 307 | $gsdl_cgi->generate_ok_message("Collection $collection deleted successfully.");
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| 308 | }
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| 309 |
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| 310 |
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| 311 | sub delete_collection_file
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| 312 | {
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| 313 | my ($gsdl_cgi, $username, $timestamp) = @_;
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| 314 |
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| 315 | my $collection = $gsdl_cgi->clean_param("c");
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| 316 | if ((!defined $collection) || ($collection =~ m/^\s*$/)) {
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| 317 | $gsdl_cgi->generate_error("No collection specified.");
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| 318 | }
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| 319 | my $file = $gsdl_cgi->clean_param("file");
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| 320 | if ((!defined $file) || ($file =~ m/^\s*$/)) {
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| 321 | $gsdl_cgi->generate_error("No file specified.");
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| 322 | }
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| 323 | $file =~ s/\|/&util::get_dirsep()/eg; # Convert the '|' characters into whatever is right for this OS
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| 324 |
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| 325 | # Make sure we don't try to delete anything outside the collection
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| 326 | if ($file =~ /\.\./) {
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| 327 | $gsdl_cgi->generate_error("Illegal file specified.");
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| 328 | }
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| 329 |
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| 330 | # Ensure the user is allowed to edit this collection
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| 331 | &authenticate_user($gsdl_cgi, $username, $collection);
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| 332 |
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| 333 | my $gsdlhome = $ENV{'GSDLHOME'};
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| 334 | my $collection_directory = &util::filename_cat($gsdlhome, "collect", $collection);
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| 335 | $gsdl_cgi->checked_chdir($collection_directory);
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| 336 |
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| 337 | # Make sure the collection isn't locked by someone else
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| 338 | &lock_collection($gsdl_cgi, $username, $collection);
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| 339 |
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| 340 | # Check that the collection file exists
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| 341 | if (!-e $file) {
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| 342 | $gsdl_cgi->generate_ok_message("Collection file $file does not exist.");
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| 343 | }
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| 344 | $gsdl_cgi->local_rm_r("$file");
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| 345 |
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| 346 | # Check that the collection file was deleted
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| 347 | if (-e $file) {
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| 348 | $gsdl_cgi->generate_error("Could not delete collection file $file.");
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| 349 | }
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| 350 |
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| 351 | $gsdl_cgi->generate_ok_message("Collection file $file deleted successfully.");
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| 352 | }
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| 353 |
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| 354 |
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| 355 | sub download_collection
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| 356 | {
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| 357 | my ($gsdl_cgi, $username, $timestamp) = @_;
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| 358 |
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| 359 | my $collection = $gsdl_cgi->clean_param("c");
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| 360 | if ((!defined $collection) || ($collection =~ m/^\s*$/)) {
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| 361 | $gsdl_cgi->generate_error("No collection specified.");
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| 362 | }
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| 363 |
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| 364 | # Ensure the user is allowed to edit this collection
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| 365 | &authenticate_user($gsdl_cgi, $username, $collection);
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| 366 |
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| 367 | my $gsdlhome = $ENV{'GSDLHOME'};
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| 368 | my $collect_directory = &util::filename_cat($gsdlhome, "collect");
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| 369 | $gsdl_cgi->checked_chdir($collect_directory);
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| 370 |
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| 371 | # Check that the collection exists
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| 372 | if (!-d $collection) {
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| 373 | $gsdl_cgi->generate_error("Collection $collection does not exist.");
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| 374 | }
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| 375 |
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| 376 | # Make sure the collection isn't locked by someone else
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| 377 | &lock_collection($gsdl_cgi, $username, $collection);
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| 378 |
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| 379 | # Zip up the collection
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| 380 | my $java = $gsdl_cgi->get_java_path();
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| 381 | my $java_classpath = &util::filename_cat($gsdlhome, "bin", "java", "GLIServer.jar");
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| 382 | my $zip_file_path = &util::filename_cat($collect_directory, $collection . "-" . $timestamp . ".zip");
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| 383 | my $java_args = "\"$zip_file_path\" \"$collect_directory\" \"$collection\"";
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| 384 | my $java_command = "$java -classpath \"$java_classpath\" org.greenstone.gatherer.remote.ZipCollectionShell $java_args";
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| 385 |
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| 386 | my $java_output = `$java_command`;
|
|---|
| 387 | my $java_status = $?;
|
|---|
| 388 | if ($java_status > 0) {
|
|---|
| 389 | $gsdl_cgi->generate_error("Java failed: $java_command\n--\n$java_output\nExit status: " . ($java_status / 256) . "\n" . $gsdl_cgi->check_java_home());
|
|---|
| 390 | }
|
|---|
| 391 |
|
|---|
| 392 | # Check that the zip file was created successfully
|
|---|
| 393 | if (!-e $zip_file_path || -z $zip_file_path) {
|
|---|
| 394 | $gsdl_cgi->generate_error("Collection zip file $zip_file_path could not be created.");
|
|---|
| 395 | }
|
|---|
| 396 |
|
|---|
| 397 | &put_file($gsdl_cgi, $zip_file_path, "application/zip");
|
|---|
| 398 | unlink("$zip_file_path") unless $debugging_enabled;
|
|---|
| 399 | }
|
|---|
| 400 |
|
|---|
| 401 |
|
|---|
| 402 | sub download_collection_archives
|
|---|
| 403 | {
|
|---|
| 404 | my ($gsdl_cgi, $username, $timestamp) = @_;
|
|---|
| 405 |
|
|---|
| 406 | my $collection = $gsdl_cgi->clean_param("c");
|
|---|
| 407 | if ((!defined $collection) || ($collection =~ m/^\s*$/)) {
|
|---|
| 408 | $gsdl_cgi->generate_error("No collection specified.");
|
|---|
| 409 | }
|
|---|
| 410 |
|
|---|
| 411 | # Ensure the user is allowed to edit this collection
|
|---|
| 412 | &authenticate_user($gsdl_cgi, $username, $collection);
|
|---|
| 413 |
|
|---|
| 414 | my $gsdlhome = $ENV{'GSDLHOME'};
|
|---|
| 415 | my $collect_directory = &util::filename_cat($gsdlhome, "collect");
|
|---|
| 416 | $gsdl_cgi->checked_chdir($collect_directory);
|
|---|
| 417 |
|
|---|
| 418 | # Check that the collection archives exist
|
|---|
| 419 | if (!-d &util::filename_cat($collection, "archives")) {
|
|---|
| 420 | $gsdl_cgi->generate_error("Collection archives do not exist.");
|
|---|
| 421 | }
|
|---|
| 422 |
|
|---|
| 423 | # Make sure the collection isn't locked by someone else
|
|---|
| 424 | &lock_collection($gsdl_cgi, $username, $collection);
|
|---|
| 425 |
|
|---|
| 426 | # Zip up the collection archives
|
|---|
| 427 | my $java = $gsdl_cgi->get_java_path();
|
|---|
| 428 | my $java_classpath = &util::filename_cat($gsdlhome, "bin", "java", "GLIServer.jar");
|
|---|
| 429 | my $zip_file_path = &util::filename_cat($collect_directory, $collection . "-archives-" . $timestamp . ".zip");
|
|---|
| 430 | my $java_args = "\"$zip_file_path\" \"$collect_directory\" \"$collection\"";
|
|---|
| 431 | my $java_command = "$java -classpath \"$java_classpath\" org.greenstone.gatherer.remote.ZipCollectionArchives $java_args";
|
|---|
| 432 |
|
|---|
| 433 | my $java_output = `$java_command`;
|
|---|
| 434 | my $java_status = $?;
|
|---|
| 435 | if ($java_status > 0) {
|
|---|
| 436 | $gsdl_cgi->generate_error("Java failed: $java_command\n--\n$java_output\nExit status: " . ($java_status / 256) . "\n" . $gsdl_cgi->check_java_home());
|
|---|
| 437 | }
|
|---|
| 438 |
|
|---|
| 439 | # Check that the zip file was created successfully
|
|---|
| 440 | if (!-e $zip_file_path || -z $zip_file_path) {
|
|---|
| 441 | $gsdl_cgi->generate_error("Collection archives zip file $zip_file_path could not be created.");
|
|---|
| 442 | }
|
|---|
| 443 |
|
|---|
| 444 | &put_file($gsdl_cgi, $zip_file_path, "application/zip");
|
|---|
| 445 | unlink("$zip_file_path") unless $debugging_enabled;
|
|---|
| 446 | }
|
|---|
| 447 |
|
|---|
| 448 |
|
|---|
| 449 | # Collection locking unnecessary because this action isn't related to a particular collection
|
|---|
| 450 | sub download_collection_configurations
|
|---|
| 451 | {
|
|---|
| 452 | my ($gsdl_cgi, $username, $timestamp) = @_;
|
|---|
| 453 |
|
|---|
| 454 | # Users can be in any group to perform this action
|
|---|
| 455 | my $user_groups = &authenticate_user($gsdl_cgi, $username, "");
|
|---|
| 456 |
|
|---|
| 457 | my $gsdlhome = $ENV{'GSDLHOME'};
|
|---|
| 458 | my $collect_directory = &util::filename_cat($gsdlhome, "collect");
|
|---|
| 459 | $gsdl_cgi->checked_chdir($collect_directory);
|
|---|
| 460 |
|
|---|
| 461 | # Zip up the collection configurations
|
|---|
| 462 | my $java = $gsdl_cgi->get_java_path();
|
|---|
| 463 | my $java_classpath = &util::filename_cat($gsdlhome, "bin", "java", "GLIServer.jar");
|
|---|
| 464 | my $zip_file_path = &util::filename_cat($collect_directory, "collection-configurations-" . $timestamp . ".zip");
|
|---|
| 465 | my $java_args = "\"$zip_file_path\" \"$collect_directory\" \"$username\" \"$user_groups\"";
|
|---|
| 466 | my $java_command = "$java -classpath \"$java_classpath\" org.greenstone.gatherer.remote.ZipCollectionConfigurations $java_args";
|
|---|
| 467 |
|
|---|
| 468 | my $java_output = `$java_command`;
|
|---|
| 469 | my $java_status = $?;
|
|---|
| 470 | if ($java_status > 0) {
|
|---|
| 471 | $gsdl_cgi->generate_error("Java failed: $java_command\n--\n$java_output\nExit status: " . ($java_status / 256) . "\n" . $gsdl_cgi->check_java_home());
|
|---|
| 472 | }
|
|---|
| 473 |
|
|---|
| 474 | # Check that the zip file was created successfully
|
|---|
| 475 | if (!-e $zip_file_path || -z $zip_file_path) {
|
|---|
| 476 | $gsdl_cgi->generate_error("Collection configurations zip file $zip_file_path could not be created.");
|
|---|
| 477 | }
|
|---|
| 478 |
|
|---|
| 479 | &put_file($gsdl_cgi, $zip_file_path, "application/zip");
|
|---|
| 480 | unlink("$zip_file_path") unless $debugging_enabled;
|
|---|
| 481 | }
|
|---|
| 482 |
|
|---|
| 483 |
|
|---|
| 484 | sub download_collection_file
|
|---|
| 485 | {
|
|---|
| 486 | my ($gsdl_cgi, $username, $timestamp) = @_;
|
|---|
| 487 |
|
|---|
| 488 | my $collection = $gsdl_cgi->clean_param("c");
|
|---|
| 489 | if ((!defined $collection) || ($collection =~ m/^\s*$/)) {
|
|---|
| 490 | $gsdl_cgi->generate_error("No collection specified.");
|
|---|
| 491 | }
|
|---|
| 492 | my $file = $gsdl_cgi->clean_param("file");
|
|---|
| 493 | if ((!defined $file) || ($file =~ m/^\s*$/)) {
|
|---|
| 494 | $gsdl_cgi->generate_error("No file specified.");
|
|---|
| 495 | }
|
|---|
| 496 | $file =~ s/\|/&util::get_dirsep()/eg; # Convert the '|' characters into whatever is right for this OS
|
|---|
| 497 |
|
|---|
| 498 | # Make sure we don't try to download anything outside the collection
|
|---|
| 499 | if ($file =~ /\.\./) {
|
|---|
| 500 | $gsdl_cgi->generate_error("Illegal file specified.");
|
|---|
| 501 | }
|
|---|
| 502 |
|
|---|
| 503 | # Ensure the user is allowed to edit this collection
|
|---|
| 504 | &authenticate_user($gsdl_cgi, $username, $collection);
|
|---|
| 505 |
|
|---|
| 506 | my $gsdlhome = $ENV{'GSDLHOME'};
|
|---|
| 507 | my $collection_directory = &util::filename_cat($gsdlhome, "collect", $collection);
|
|---|
| 508 | $gsdl_cgi->checked_chdir($collection_directory);
|
|---|
| 509 |
|
|---|
| 510 | # Check that the collection file exists
|
|---|
| 511 | if (!-e $file) {
|
|---|
| 512 | $gsdl_cgi->generate_error("Collection file $file does not exist.");
|
|---|
| 513 | }
|
|---|
| 514 |
|
|---|
| 515 | # Make sure the collection isn't locked by someone else
|
|---|
| 516 | &lock_collection($gsdl_cgi, $username, $collection);
|
|---|
| 517 |
|
|---|
| 518 | # Zip up the collection file
|
|---|
| 519 | my $java = $gsdl_cgi->get_java_path();
|
|---|
| 520 | my $java_classpath = &util::filename_cat($gsdlhome, "bin", "java", "GLIServer.jar");
|
|---|
| 521 | my $zip_file_path = &util::filename_cat($collection_directory, $collection . "-file-" . $timestamp . ".zip");
|
|---|
| 522 | my $java_args = "\"$zip_file_path\" \"$collection_directory\" \"$file\"";
|
|---|
| 523 | my $java_command = "$java -classpath \"$java_classpath\" org.greenstone.gatherer.remote.ZipFiles $java_args";
|
|---|
| 524 |
|
|---|
| 525 | my $java_output = `$java_command`;
|
|---|
| 526 | my $java_status = $?;
|
|---|
| 527 | if ($java_status > 0) {
|
|---|
| 528 | $gsdl_cgi->generate_error("Java failed: $java_command\n--\n$java_output\nExit status: " . ($java_status / 256) . "\n" . $gsdl_cgi->check_java_home());
|
|---|
| 529 | }
|
|---|
| 530 |
|
|---|
| 531 | # Check that the zip file was created successfully
|
|---|
| 532 | if (!-e $zip_file_path || -z $zip_file_path) {
|
|---|
| 533 | $gsdl_cgi->generate_error("Collection archives zip file $zip_file_path could not be created.");
|
|---|
| 534 | }
|
|---|
| 535 |
|
|---|
| 536 | &put_file($gsdl_cgi, $zip_file_path, "application/zip");
|
|---|
| 537 | unlink("$zip_file_path") unless $debugging_enabled;
|
|---|
| 538 | }
|
|---|
| 539 |
|
|---|
| 540 |
|
|---|
| 541 | # Collection locking unnecessary because this action isn't related to a particular collection
|
|---|
| 542 | sub get_script_options
|
|---|
| 543 | {
|
|---|
| 544 | my ($gsdl_cgi, $username, $timestamp) = @_;
|
|---|
| 545 |
|
|---|
| 546 | my $script = $gsdl_cgi->clean_param("script");
|
|---|
| 547 | if ((!defined $script) || ($script =~ m/^\s*$/)) {
|
|---|
| 548 | $gsdl_cgi->generate_error("No script specified.");
|
|---|
| 549 | }
|
|---|
| 550 | $gsdl_cgi->delete("script");
|
|---|
| 551 |
|
|---|
| 552 | # Users can be in any group to perform this action
|
|---|
| 553 | &authenticate_user($gsdl_cgi, $username, "");
|
|---|
| 554 |
|
|---|
| 555 | my $perl_args = "";
|
|---|
| 556 | if ($script eq "classinfo.pl") {
|
|---|
| 557 | $perl_args = $gsdl_cgi->clean_param("classifier") || "";
|
|---|
| 558 | $gsdl_cgi->delete("classifier");
|
|---|
| 559 | }
|
|---|
| 560 | if ($script eq "pluginfo.pl") {
|
|---|
| 561 | $perl_args = $gsdl_cgi->clean_param("plugin") || "";
|
|---|
| 562 | $gsdl_cgi->delete("plugin");
|
|---|
| 563 | }
|
|---|
| 564 |
|
|---|
| 565 | print STDOUT "Content-type:text/plain\n\n";
|
|---|
| 566 | foreach my $cgi_arg_name ($gsdl_cgi->param) {
|
|---|
| 567 | my $cgi_arg_value = $gsdl_cgi->clean_param($cgi_arg_name) || "";
|
|---|
| 568 | $cgi_arg_value = $gsdl_cgi->safe_val($cgi_arg_value);
|
|---|
| 569 | print STDOUT $cgi_arg_value;
|
|---|
| 570 | if ($cgi_arg_value eq "") {
|
|---|
| 571 | $perl_args = "-$cgi_arg_name " . $perl_args;
|
|---|
| 572 | }
|
|---|
| 573 | else {
|
|---|
| 574 | $perl_args = "-$cgi_arg_name \"$cgi_arg_value\" " . $perl_args;
|
|---|
| 575 | }
|
|---|
| 576 | }
|
|---|
| 577 |
|
|---|
| 578 | my $perl_command = "perl -S $script $perl_args 2>&1";
|
|---|
| 579 | my $perl_output = `$perl_command`;
|
|---|
| 580 | my $perl_status = $?;
|
|---|
| 581 | if ($perl_status > 0) {
|
|---|
| 582 | $gsdl_cgi->generate_error("Perl failed: $perl_command\n--\n$perl_output\nExit status: " . ($perl_status / 256));
|
|---|
| 583 | }
|
|---|
| 584 |
|
|---|
| 585 | #print STDOUT "Content-type:text/plain\n\n";
|
|---|
| 586 | print STDOUT $perl_output;
|
|---|
| 587 | print STDOUT $perl_command;
|
|---|
| 588 |
|
|---|
| 589 | }
|
|---|
| 590 |
|
|---|
| 591 |
|
|---|
| 592 | sub move_collection_file
|
|---|
| 593 | {
|
|---|
| 594 | my ($gsdl_cgi, $username, $timestamp) = @_;
|
|---|
| 595 |
|
|---|
| 596 | my $collection = $gsdl_cgi->clean_param("c");
|
|---|
| 597 | if ((!defined $collection) || ($collection =~ m/^\s*$/)) {
|
|---|
| 598 | $gsdl_cgi->generate_error("No collection specified.");
|
|---|
| 599 | }
|
|---|
| 600 | my $source_file = $gsdl_cgi->clean_param("source");
|
|---|
| 601 | if ((!defined $source_file) || ($source_file =~ m/^\s*$/)) {
|
|---|
| 602 | $gsdl_cgi->generate_error("No source file specified.");
|
|---|
| 603 | }
|
|---|
| 604 | $source_file =~ s/\|/&util::get_dirsep()/eg; # Convert the '|' characters into whatever is right for this OS
|
|---|
| 605 | my $target_file = $gsdl_cgi->clean_param("target");
|
|---|
| 606 | if ((!defined $target_file) || ($target_file =~ m/^\s*$/)) {
|
|---|
| 607 | $gsdl_cgi->generate_error("No target file specified.");
|
|---|
| 608 | }
|
|---|
| 609 | $target_file =~ s/\|/&util::get_dirsep()/eg; # Convert the '|' characters into whatever is right for this OS
|
|---|
| 610 |
|
|---|
| 611 | # Make sure we don't try to move anything outside the collection
|
|---|
| 612 | if ($source_file =~ /\.\./ || $target_file =~ /\.\./) {
|
|---|
| 613 | $gsdl_cgi->generate_error("Illegal file specified.");
|
|---|
| 614 | }
|
|---|
| 615 |
|
|---|
| 616 | # Ensure the user is allowed to edit this collection
|
|---|
| 617 | &authenticate_user($gsdl_cgi, $username, $collection);
|
|---|
| 618 |
|
|---|
| 619 | my $gsdlhome = $ENV{'GSDLHOME'};
|
|---|
| 620 | my $collection_directory = &util::filename_cat($gsdlhome, "collect", $collection);
|
|---|
| 621 | $gsdl_cgi->checked_chdir($collection_directory);
|
|---|
| 622 |
|
|---|
| 623 | # Check that the collection source file exists
|
|---|
| 624 | if (!-e $source_file) {
|
|---|
| 625 | $gsdl_cgi->generate_error("Collection file $source_file does not exist.");
|
|---|
| 626 | }
|
|---|
| 627 |
|
|---|
| 628 | # Make sure the collection isn't locked by someone else
|
|---|
| 629 | &lock_collection($gsdl_cgi, $username, $collection);
|
|---|
| 630 |
|
|---|
| 631 | &util::mv($source_file, $target_file);
|
|---|
| 632 |
|
|---|
| 633 | # Check that the collection source file was moved
|
|---|
| 634 | if (-e $source_file || !-e $target_file) {
|
|---|
| 635 | $gsdl_cgi->generate_error("Could not move collection file $source_file to $target_file.");
|
|---|
| 636 | }
|
|---|
| 637 |
|
|---|
| 638 | $gsdl_cgi->generate_ok_message("Collection file $source_file moved to $target_file successfully.");
|
|---|
| 639 | }
|
|---|
| 640 |
|
|---|
| 641 |
|
|---|
| 642 | sub new_collection_directory
|
|---|
| 643 | {
|
|---|
| 644 | my ($gsdl_cgi, $username, $timestamp) = @_;
|
|---|
| 645 |
|
|---|
| 646 | my $collection = $gsdl_cgi->clean_param("c");
|
|---|
| 647 | if ((!defined $collection) || ($collection =~ m/^\s*$/)) {
|
|---|
| 648 | $gsdl_cgi->generate_error("No collection specified.");
|
|---|
| 649 | }
|
|---|
| 650 | my $directory = $gsdl_cgi->clean_param("directory");
|
|---|
| 651 | if ((!defined $directory) || ($directory =~ m/^\s*$/)) {
|
|---|
| 652 | $gsdl_cgi->generate_error("No directory specified.");
|
|---|
| 653 | }
|
|---|
| 654 | $directory =~ s/\|/&util::get_dirsep()/eg; # Convert the '|' characters into whatever is right for this OS
|
|---|
| 655 |
|
|---|
| 656 | # Make sure we don't try to create anything outside the collection
|
|---|
| 657 | if ($directory =~ /\.\./) {
|
|---|
| 658 | $gsdl_cgi->generate_error("Illegal directory specified.");
|
|---|
| 659 | }
|
|---|
| 660 |
|
|---|
| 661 | # Ensure the user is allowed to edit this collection
|
|---|
| 662 | &authenticate_user($gsdl_cgi, $username, $collection);
|
|---|
| 663 |
|
|---|
| 664 | my $gsdlhome = $ENV{'GSDLHOME'};
|
|---|
| 665 | my $collection_directory = &util::filename_cat($gsdlhome, "collect", $collection);
|
|---|
| 666 | $gsdl_cgi->checked_chdir($collection_directory);
|
|---|
| 667 |
|
|---|
| 668 | # Check that the collection directory doesn't already exist
|
|---|
| 669 | # ZipTools doesn't zip up empty directories, so this causes an error when downloading a new collection as we explicity
|
|---|
| 670 | # try to create the import directory
|
|---|
| 671 | # if (-d $directory) {
|
|---|
| 672 | # $gsdl_cgi->generate_error("Collection directory $directory already exists.");
|
|---|
| 673 | # }
|
|---|
| 674 |
|
|---|
| 675 | # Make sure the collection isn't locked by someone else
|
|---|
| 676 | &lock_collection($gsdl_cgi, $username, $collection);
|
|---|
| 677 |
|
|---|
| 678 | &util::mk_dir($directory);
|
|---|
| 679 |
|
|---|
| 680 | # Check that the collection directory was created
|
|---|
| 681 | if (!-d $directory) {
|
|---|
| 682 | $gsdl_cgi->generate_error("Could not create collection directory $directory.");
|
|---|
| 683 | }
|
|---|
| 684 |
|
|---|
| 685 | $gsdl_cgi->generate_ok_message("Collection directory $directory created successfully.");
|
|---|
| 686 | }
|
|---|
| 687 |
|
|---|
| 688 |
|
|---|
| 689 | sub run_script
|
|---|
| 690 | {
|
|---|
| 691 | my ($gsdl_cgi, $username, $timestamp) = @_;
|
|---|
| 692 |
|
|---|
| 693 | my $script = $gsdl_cgi->clean_param("script");
|
|---|
| 694 | if ((!defined $script) || ($script =~ m/^\s*$/)) {
|
|---|
| 695 | $gsdl_cgi->generate_error("No script specified.");
|
|---|
| 696 | }
|
|---|
| 697 | $gsdl_cgi->delete("script");
|
|---|
| 698 | my $collection = $gsdl_cgi->clean_param("c");
|
|---|
| 699 | if ((!defined $collection) || ($collection =~ m/^\s*$/)) {
|
|---|
| 700 | $gsdl_cgi->generate_error("No collection specified.");
|
|---|
| 701 | }
|
|---|
| 702 | $gsdl_cgi->delete("c");
|
|---|
| 703 |
|
|---|
| 704 | # Ensure the user is allowed to edit this collection
|
|---|
| 705 | &authenticate_user($gsdl_cgi, $username, $collection);
|
|---|
| 706 |
|
|---|
| 707 | # Make sure the collection isn't locked by someone else (unless we're running mkcol.pl, of course)
|
|---|
| 708 | &lock_collection($gsdl_cgi, $username, $collection) unless ($script eq "mkcol.pl");
|
|---|
| 709 |
|
|---|
| 710 | # Last argument is the collection name, except for explode_metadata_database.pl
|
|---|
| 711 | my $perl_args = $collection;
|
|---|
| 712 | if ($script eq "explode_metadata_database.pl") {
|
|---|
| 713 | # Last argument is the file to be exploded
|
|---|
| 714 | my $file = $gsdl_cgi->clean_param("file");
|
|---|
| 715 | if ((!defined $file) || ($file =~ m/^\s*$/)) {
|
|---|
| 716 | $gsdl_cgi->generate_error("No file specified.");
|
|---|
| 717 | }
|
|---|
| 718 | $gsdl_cgi->delete("file");
|
|---|
| 719 | $perl_args = $file;
|
|---|
| 720 | }
|
|---|
| 721 |
|
|---|
| 722 | foreach my $cgi_arg_name ($gsdl_cgi->param) {
|
|---|
| 723 | my $cgi_arg_value = $gsdl_cgi->safe_val($gsdl_cgi->clean_param($cgi_arg_name));
|
|---|
| 724 | if ($cgi_arg_value eq "") {
|
|---|
| 725 | $perl_args = "-$cgi_arg_name " . $perl_args;
|
|---|
| 726 | }
|
|---|
| 727 | else {
|
|---|
| 728 | $perl_args = "-$cgi_arg_name \"$cgi_arg_value\" " . $perl_args;
|
|---|
| 729 | }
|
|---|
| 730 | }
|
|---|
| 731 |
|
|---|
| 732 | my $perl_command = "perl -S $script $perl_args 2>&1";
|
|---|
| 733 | if (!open(PIN, "$perl_command |")) {
|
|---|
| 734 | $gsdl_cgi->generate_error("Unable to execute command: $perl_command");
|
|---|
| 735 | }
|
|---|
| 736 |
|
|---|
| 737 | print STDOUT "Content-type:text/plain\n\n";
|
|---|
| 738 | while (defined (my $perl_output_line = <PIN>)) {
|
|---|
| 739 | print STDOUT $perl_output_line;
|
|---|
| 740 | }
|
|---|
| 741 | close(PIN);
|
|---|
| 742 |
|
|---|
| 743 | my $perl_status = $?;
|
|---|
| 744 | if ($perl_status > 0) {
|
|---|
| 745 | $gsdl_cgi->generate_error("Perl failed: $perl_command\n--\nExit status: " . ($perl_status / 256));
|
|---|
| 746 | }
|
|---|
| 747 | elsif ($mail_enabled) {
|
|---|
| 748 | if ($script eq "buildcol.pl") {
|
|---|
| 749 | &send_mail($gsdl_cgi, "Remote Greenstone building event", "Build of collection '$collection' complete.");
|
|---|
| 750 | }
|
|---|
| 751 | }
|
|---|
| 752 | }
|
|---|
| 753 |
|
|---|
| 754 |
|
|---|
| 755 | sub upload_collection_file
|
|---|
| 756 | {
|
|---|
| 757 | my ($gsdl_cgi, $username, $timestamp) = @_;
|
|---|
| 758 |
|
|---|
| 759 | my $collection = $gsdl_cgi->clean_param("c");
|
|---|
| 760 | if ((!defined $collection) || ($collection =~ m/^\s*$/)) {
|
|---|
| 761 | $gsdl_cgi->generate_error("No collection specified.");
|
|---|
| 762 | }
|
|---|
| 763 | my $file = $gsdl_cgi->clean_param("file");
|
|---|
| 764 | if ((!defined $file) || ($file =~ m/^\s*$/)) {
|
|---|
| 765 | $gsdl_cgi->generate_error("No file specified.");
|
|---|
| 766 | }
|
|---|
| 767 | my $directory = $gsdl_cgi->clean_param("directory") || "";
|
|---|
| 768 | $directory =~ s/\|/&util::get_dirsep()/eg; # Convert the '|' characters into whatever is right for this OS
|
|---|
| 769 | my $zip = $gsdl_cgi->clean_param("zip");
|
|---|
| 770 |
|
|---|
| 771 | # Make sure we don't try to upload anything outside the collection
|
|---|
| 772 | if ($file =~ /\.\./) {
|
|---|
| 773 | $gsdl_cgi->generate_error("Illegal file specified.");
|
|---|
| 774 | }
|
|---|
| 775 | if ($directory =~ /\.\./) {
|
|---|
| 776 | $gsdl_cgi->generate_error("Illegal directory specified.");
|
|---|
| 777 | }
|
|---|
| 778 |
|
|---|
| 779 | # Ensure the user is allowed to edit this collection
|
|---|
| 780 | &authenticate_user($gsdl_cgi, $username, $collection);
|
|---|
| 781 |
|
|---|
| 782 | my $gsdlhome = $ENV{'GSDLHOME'};
|
|---|
| 783 | my $collection_directory = &util::filename_cat($gsdlhome, "collect", $collection);
|
|---|
| 784 | $gsdl_cgi->checked_chdir($collection_directory);
|
|---|
| 785 |
|
|---|
| 786 | # Make sure the collection isn't locked by someone else
|
|---|
| 787 | &lock_collection($gsdl_cgi, $username, $collection);
|
|---|
| 788 |
|
|---|
| 789 | my $directory_path = &util::filename_cat($collection_directory, $directory);
|
|---|
| 790 | if (!-d $directory_path) {
|
|---|
| 791 | &util::mk_dir($directory_path);
|
|---|
| 792 | if (!-d $directory_path) {
|
|---|
| 793 | $gsdl_cgi->generate_error("Could not create directory $directory_path.");
|
|---|
| 794 | }
|
|---|
| 795 | }
|
|---|
| 796 |
|
|---|
| 797 | my $file_path = &util::filename_cat($directory_path, $file . "-" . $timestamp);
|
|---|
| 798 | if (!open(FOUT, ">$file_path")) {
|
|---|
| 799 | $gsdl_cgi->generate_error("Unable to write file $file_path");
|
|---|
| 800 | }
|
|---|
| 801 |
|
|---|
| 802 | # Read the uploaded data and write it out to file
|
|---|
| 803 | my $buf;
|
|---|
| 804 | my $num_bytes = 0;
|
|---|
| 805 | binmode(FOUT);
|
|---|
| 806 | while (read(STDIN, $buf, 1024) > 0) {
|
|---|
| 807 | print FOUT $buf;
|
|---|
| 808 | $num_bytes += length($buf);
|
|---|
| 809 | }
|
|---|
| 810 | close(FOUT);
|
|---|
| 811 |
|
|---|
| 812 | # If we have downloaded a zip file, unzip it
|
|---|
| 813 | if (defined $zip) {
|
|---|
| 814 | my $java = $gsdl_cgi->get_java_path();
|
|---|
| 815 | my $java_classpath = &util::filename_cat($gsdlhome, "bin", "java", "GLIServer.jar");
|
|---|
| 816 | my $java_args = "\"$file_path\" \"$directory_path\"";
|
|---|
| 817 | my $java_command = "$java -classpath \"$java_classpath\" org.greenstone.gatherer.remote.Unzip $java_args";
|
|---|
| 818 |
|
|---|
| 819 | my $java_output = `$java_command`;
|
|---|
| 820 | my $java_status = $?;
|
|---|
| 821 |
|
|---|
| 822 | # Remove the zip file once we have unzipped it, since it is an intermediate file only
|
|---|
| 823 | unlink("$file_path");
|
|---|
| 824 |
|
|---|
| 825 | if ($java_status > 0) {
|
|---|
| 826 | $gsdl_cgi->generate_error("Java failed: $java_command\n--\n$java_output\nExit status: " . ($java_status / 256) . "\n" . $gsdl_cgi->check_java_home());
|
|---|
| 827 | }
|
|---|
| 828 | }
|
|---|
| 829 |
|
|---|
| 830 | $gsdl_cgi->generate_ok_message("Collection file $file uploaded successfully.");
|
|---|
| 831 | }
|
|---|
| 832 |
|
|---|
| 833 |
|
|---|
| 834 | sub put_file
|
|---|
| 835 | {
|
|---|
| 836 | my $gsdl_cgi = shift(@_);
|
|---|
| 837 | my $file_path = shift(@_);
|
|---|
| 838 | my $content_type = shift(@_);
|
|---|
| 839 |
|
|---|
| 840 | if (open(PIN, "<$file_path")) {
|
|---|
| 841 | print STDOUT "Content-type:$content_type\n\n";
|
|---|
| 842 |
|
|---|
| 843 | my $buf;
|
|---|
| 844 | my $num_bytes = 0;
|
|---|
| 845 | binmode(PIN);
|
|---|
| 846 | while (read(PIN, $buf, 1024) > 0) {
|
|---|
| 847 | print STDOUT $buf;
|
|---|
| 848 | $num_bytes += length($buf);
|
|---|
| 849 | }
|
|---|
| 850 |
|
|---|
| 851 | close(PIN);
|
|---|
| 852 | }
|
|---|
| 853 | else {
|
|---|
| 854 | $gsdl_cgi->generate_error("Unable to read file $file_path\n $!");
|
|---|
| 855 | }
|
|---|
| 856 | }
|
|---|
| 857 |
|
|---|
| 858 |
|
|---|
| 859 | sub send_mail
|
|---|
| 860 | {
|
|---|
| 861 | my $gsdl_cgi = shift(@_);
|
|---|
| 862 | my $mail_subject = shift(@_);
|
|---|
| 863 | my $mail_content = shift(@_);
|
|---|
| 864 |
|
|---|
| 865 | my $sendmail_command = "perl -S sendmail.pl";
|
|---|
| 866 | $sendmail_command .= " -to \"" . $mail_to_address . "\"";
|
|---|
| 867 | $sendmail_command .= " -from \"" . $mail_from_address . "\"";
|
|---|
| 868 | $sendmail_command .= " -smtp \"" . $mail_smtp_server . "\"";
|
|---|
| 869 | $sendmail_command .= " -subject \"" . $mail_subject . "\"";
|
|---|
| 870 |
|
|---|
| 871 | if (!open(POUT, "| $sendmail_command")) {
|
|---|
| 872 | $gsdl_cgi->generate_error("Unable to execute command: $sendmail_command");
|
|---|
| 873 | }
|
|---|
| 874 | print POUT $mail_content . "\n";
|
|---|
| 875 | close(POUT);
|
|---|
| 876 | }
|
|---|
| 877 |
|
|---|
| 878 |
|
|---|
| 879 | &main();
|
|---|
