1 |
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2 | package gsdlCGI4gs3;
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3 |
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4 | use strict;
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5 | no strict 'subs';
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6 | no strict 'refs'; # allow filehandles to be variables and viceversa
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7 |
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8 | use CGI;
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9 | use Cwd;
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10 |
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11 | @gsdlCGI4gs3::ISA = ('CGI');
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12 |
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13 | sub new {
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14 | my $class = shift @_;
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15 |
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16 |
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17 | my $self;
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18 | if ((defined $ENV{'REQUEST_METHOD'}) && ($ENV{'REQUEST_METHOD'} eq "POST")) {
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19 |
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20 | # 1st check if we're dealing with the upload-coll-file cmd. Because it will be a
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21 | # multipart POST message and must be dealt with by the default CGI() constructor
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22 | if((defined $ENV{'QUERY_STRING'}) && ($ENV{'QUERY_STRING'} =~ /upload-collection-file/)) {
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23 | $self = new CGI();
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24 | }
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25 |
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26 | else { # all other POST commands processed using CGI($line)
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27 | my $line = <STDIN>;
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28 | if ((defined $line) && ($line ne "")) {
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29 | $self = new CGI($line);
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30 | }
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31 | }
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32 | }
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33 |
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34 | # If one of the conditions above did not hold, then self=new CGI()
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35 | if(!defined $self) {
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36 | $self = new CGI();
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37 | }
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38 |
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39 | return bless $self, $class;
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40 | }
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41 |
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42 |
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43 | sub parse_cgi_args
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44 | {
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45 | my $self = shift @_;
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46 | my $xml = (defined $self->param("xml")) ? 1 : 0;
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47 |
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48 | $self->{'xml'} = $xml;
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49 |
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50 | my @var_names = $self->param;
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51 | my @arg_list = ();
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52 | foreach my $n ( @var_names ) {
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53 | my $arg = "$n=";
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54 | my $val = $self->param($n);
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55 | $arg .= $val if (defined $val);
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56 | push(@arg_list,$arg);
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57 | }
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58 |
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59 | $self->{'args'} = join("&",@arg_list);
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60 | }
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61 |
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62 |
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63 | sub clean_param
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64 | {
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65 | my $self = shift @_;
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66 | my ($param) = @_;
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67 |
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68 | my $val = $self->SUPER::param($param);
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69 | $val =~ s/[\r\n]+$// if (defined $val);
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70 |
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71 | return $val;
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72 | }
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73 |
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74 | sub safe_val
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75 | {
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76 | my $self = shift @_;
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77 | my ($val) = @_;
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78 |
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79 | # ensure only alpha-numeric plus a few other special chars remain
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80 |
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81 | $val =~ s/[^[:alnum:]@\.\/\- :_]//g if (defined $val);
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82 |
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83 | return $val;
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84 | }
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85 |
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86 |
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87 | sub generate_error
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88 | {
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89 | my $self = shift @_;
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90 | my ($mess) = @_;
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91 |
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92 | my $xml = $self->{'xml'};
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93 |
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94 | my $full_mess;
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95 | my $args = $self->{'args'};
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96 |
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97 | if ($xml) {
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98 | # Make $args XML safe
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99 | my $args_xml_safe = $args;
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100 | $args_xml_safe =~ s/&/&/g;
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101 |
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102 | $full_mess = "<Error>\n";
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103 | $full_mess .= " $mess\n";
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104 | $full_mess .= " CGI args were: $args_xml_safe\n";
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105 | $full_mess .= "</Error>\n";
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106 | }
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107 | else {
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108 | $full_mess = "ERROR: $mess\n ($args)\n";
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109 | }
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110 |
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111 | print STDOUT "Content-type:text/plain\n\n";
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112 | print STDOUT $full_mess;
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113 |
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114 | die $full_mess;
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115 | }
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116 |
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117 | sub generate_warning
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118 | {
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119 | my $self = shift @_;
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120 | my ($mess) = @_;
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121 |
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122 | my $xml = $self->{'xml'};
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123 |
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124 | my $full_mess;
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125 | my $args = $self->{'args'};
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126 |
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127 | if ($xml) {
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128 | # Make $args XML safe
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129 | my $args_xml_safe = $args;
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130 | $args_xml_safe =~ s/&/&/g;
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131 |
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132 | $full_mess = "<Warning>\n";
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133 | $full_mess .= " $mess\n";
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134 | $full_mess .= " CGI args were: $args_xml_safe\n";
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135 | $full_mess .= "</Warning>\n";
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136 | }
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137 | else {
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138 | $full_mess = "Warning: $mess ($args)\n";
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139 | }
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140 |
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141 | print STDOUT "Content-type:text/plain\n\n";
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142 | print STDOUT $full_mess;
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143 |
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144 | print STDERR $full_mess;
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145 | }
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146 |
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147 |
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148 | sub generate_ok_message
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149 | {
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150 | my $self = shift @_;
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151 | my ($mess) = @_;
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152 |
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153 | my $xml = $self->{'xml'};
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154 |
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155 | my $full_mess;
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156 |
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157 | if ($xml) {
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158 | $full_mess = "<Accepted>\n";
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159 | $full_mess .= " $mess\n";
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160 | $full_mess .= "</Accepted>\n";
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161 | }
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162 | else {
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163 | $full_mess = "$mess\n";
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164 | }
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165 |
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166 | print "<pre>";
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167 | print STDOUT $full_mess;
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168 | print "</pre>";
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169 | }
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170 |
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171 |
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172 |
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173 | sub get_config_info {
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174 | my $self = shift @_;
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175 | my ($infotype) = @_;
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176 |
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177 | my $site_filename = "gsdl3site.cfg";
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178 | open (FILEIN, "<$site_filename")
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179 | || $self->generate_error("Could not open gsdl3site.cfg");
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180 |
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181 | my $config_content = "";
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182 | while(defined (my $line = <FILEIN>)) {
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183 | $config_content .= $line;
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184 | }
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185 | close(FILEIN);
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186 |
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187 | my ($loc) = ($config_content =~ m/^$infotype\s+((\".+\")|(\S+))\s*\n/m);
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188 | $loc =~ s/\"//g if defined $loc;
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189 |
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190 | if ((!defined $loc) || ($loc =~ m/^\s*$/)) {
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191 | $self->generate_error("$infotype is not set in gsdl3site.cfg");
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192 | }
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193 |
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194 | return $loc;
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195 | }
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196 |
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197 | sub get_gsdl3_src_home{
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198 | my $self = shift @_;
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199 | if (defined $self->{'gsdl3srchome'}) {
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200 | return $self->{'gsdl3srchome'};
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201 | }
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202 |
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203 | my $gsdl3srchome = $self->get_config_info("gsdl3srchome");
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204 |
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205 | $gsdl3srchome =~ s/(\/|\\)$//; # remove trailing slash
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206 |
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207 | $self->{'gsdl3srchome'} = $gsdl3srchome;
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208 |
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209 | return $gsdl3srchome;
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210 | }
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211 |
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212 |
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213 | sub get_gsdl_home {
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214 | my $self = shift @_;
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215 |
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216 | if (defined $self->{'gsdlhome'}) {
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217 | return $self->{'gsdlhome'};
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218 | }
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219 |
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220 | my $gsdlhome = $self->get_config_info("gsdlhome");
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221 |
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222 | #require "$gsdlhome/perllib/util.pm";
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223 |
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224 | $gsdlhome =~ s/(\/|\\)$//; # remove trailing slash
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225 |
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226 | $self->{'gsdlhome'} = $gsdlhome;
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227 |
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228 | return $gsdlhome;
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229 | }
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230 |
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231 | sub get_java_home {
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232 | my $self = shift @_;
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233 |
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234 | if (defined $self->{'javahome'}) {
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235 | return $self->{'javahome'};
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236 | }
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237 |
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238 | my $javahome = $self->get_config_info("javahome");
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239 |
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240 | $javahome =~ s/(\/|\\)$//; # remove trailing slash
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241 |
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242 | $self->{'javahome'} = $javahome;
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243 |
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244 | return $javahome;
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245 | }
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246 |
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247 | sub get_perl_path {
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248 | my $self = shift @_;
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249 |
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250 | if (defined $self->{'perlpath'}) {
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251 | return $self->{'perlpath'};
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252 | }
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253 |
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254 | my $perlpath = $self->get_config_info("perlpath");
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255 |
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256 | $perlpath =~ s/(\/|\\)$//; # remove trailing slash
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257 |
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258 | return $perlpath;
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259 | }
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260 |
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261 | sub get_gsdl_os {
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262 | my $self = shift @_;
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263 |
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264 | my $os = $^O;
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265 |
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266 | if ($os =~ m/linux/i) {
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267 | return "linux";
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268 | }
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269 | elsif ($os =~ /mswin/i) {
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270 | return "windows";
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271 | }
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272 | elsif ($os =~ /macos/i) {
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273 | return "darwin";
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274 | }
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275 | else {
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276 | # return as is.
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277 | return $os;
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278 | }
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279 | }
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280 |
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281 | sub setup_gsdl {
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282 | my $self = shift @_;
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283 |
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284 | my $gsdl3srchome = $self->get_gsdl3_src_home();
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285 | my $gsdlhome = $self->get_gsdl_home();
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286 | my $gsdlos = $self->get_gsdl_os();
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287 | #my $javahome = $self->get_java_home();
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288 |
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289 | $ENV{'GSDL3SRCHOME'} = $gsdl3srchome;
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290 | $ENV{'GSDLHOME'} = $gsdlhome;
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291 | $ENV{'GSDLOS'} = $gsdlos;
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292 | #$ENV{'JAVA_HOME'} = $javahome;
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293 |
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294 | require "$gsdlhome/perllib/util.pm";
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295 |
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296 | my $gsdl_bin_script = &util::filename_cat($gsdlhome,"bin","script");
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297 | &util::envvar_append("PATH",$gsdl_bin_script);
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298 |
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299 | my $gsdl_bin_os = &util::filename_cat($gsdlhome,"bin",$gsdlos);
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300 | &util::envvar_append("PATH",$gsdl_bin_os);
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301 |
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302 | if ($gsdlos eq "windows") {
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303 | my $gsdl_perl_bin_directory = &util::filename_cat($gsdlhome, "bin", "windows", "perl", "bin");
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304 | &util::envvar_append("PATH", $gsdl_perl_bin_directory);
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305 | }
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306 | #else { # it's on linux now
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307 | #my $perlpath = $self->get_perl_path();
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308 | #&util::envvar_append("PATH", $perlpath);
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309 | #}
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310 | }
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311 |
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312 |
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313 | sub local_rm_r
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314 | {
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315 | my $self = shift @_;
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316 | my ($local_dir) = @_;
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317 |
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318 | my $prefix_dir = getcwd();
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319 | my $full_dir = &util::filename_cat($prefix_dir,$local_dir);
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320 | if ($prefix_dir !~ m/collect/) {
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321 | $self->generate_error("Trying to delete outside of Greenstone collect: $full_dir");
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322 | }
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323 |
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324 | # Delete recursively
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325 | if (!-e $full_dir) {
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326 | $self->generate_error("File/Directory does not exist: $full_dir");
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327 | }
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328 |
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329 | &util::rm_r($full_dir);
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330 | }
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331 |
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332 |
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333 | sub get_java_path()
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334 | {
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335 | # Check the JAVA_HOME environment variable first
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336 | if (defined $ENV{'JAVA_HOME'}) {
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337 | my $java_home = $ENV{'JAVA_HOME'};
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338 | $java_home =~ s/\/$//; # Remove trailing slash if present (Unix specific)
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339 | return &util::filename_cat($java_home, "bin", "java");
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340 | }
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341 |
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342 | # Hope that Java is on the PATH
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343 | return "java";
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344 | }
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345 |
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346 |
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347 | sub check_java_home()
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348 | {
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349 | # Return a warning unless the JAVA_HOME enrivonmen variable is set
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350 | if (!defined $ENV{'JAVA_HOME'}) {
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351 | return "JAVA_HOME environment variable not set. Might not be able to find Java unless in PATH (" . $ENV{'PATH'} . ")";
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352 | }
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353 |
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354 | return "";
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355 | }
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356 |
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357 |
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358 | sub checked_chdir
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359 | {
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360 | my $self = shift @_;
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361 | my ($dir) = @_;
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362 |
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363 | if (!-e $dir) {
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364 | $self->generate_error("Directory '$dir' does not exist");
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365 | }
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366 |
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367 | chdir $dir
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368 | || $self->generate_error("Unable to change to directory: $dir");
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369 | }
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370 |
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371 | sub rot13()
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372 | {
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373 | my $self = shift @_;
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374 | my ($password)=@_;
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375 | my @password_arr=split(//,$password);
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376 |
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377 | my @encrypt_password;
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378 | foreach my $str (@password_arr){
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379 | my $char=unpack("c",$str);
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380 | if ($char>=97 && $char<=109){
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381 | $char+=13;
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382 | }elsif ($char>=110 && $char<=122){
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383 | $char-=13;
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384 | }elsif ($char>=65 && $char<=77){
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385 | $char+=13;
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386 | }elsif ($char>=78 && $char<=90){
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387 | $char-=13;
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388 | }
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389 | $char=pack("c",$char);
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390 | push(@encrypt_password,$char);
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391 | }
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392 | return join("",@encrypt_password);
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393 | }
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394 |
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395 |
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396 | 1;
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397 |
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