1 |
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2 | package gsdlCGI;
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3 |
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4 | use CGI;
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5 | use Cwd;
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6 |
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7 | @ISA = ('CGI');
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8 |
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9 | sub new {
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10 | my $class = shift @_;
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11 |
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12 | my $self;
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13 | if ((defined $ENV{'REQUEST_METHOD'}) && ($ENV{'REQUEST_METHOD'} eq "POST")) {
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14 | my $line = <STDIN>;
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15 | if ((defined $line) && ($line ne "")) {
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16 | $self = new CGI($line);
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17 | }
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18 | else {
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19 | $self = new CGI();
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20 | }
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21 | }
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22 | else {
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23 | $self = new CGI();
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24 | }
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25 |
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26 | return bless $self, $class;
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27 | }
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28 |
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29 |
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30 | sub parse_cgi_args
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31 | {
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32 | my $self = shift @_;
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33 | my $xml = (defined $self->param("xml")) ? 1 : 0;
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34 |
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35 | $self->{'xml'} = $xml;
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36 |
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37 | my @var_names = $self->param;
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38 | my @arg_list = ();
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39 | foreach my $n ( @var_names ) {
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40 | my $arg = "$n=";
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41 | my $val = $self->param($n);
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42 | $arg .= $val if (defined $val);
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43 | push(@arg_list,$arg);
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44 | }
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45 |
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46 | $self->{'args'} = join("&",@arg_list);
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47 | }
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48 |
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49 |
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50 | sub clean_param
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51 | {
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52 | my $self = shift @_;
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53 | my ($param) = @_;
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54 |
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55 | my $val = $self->SUPER::param($param);
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56 | $val =~ s/[\r\n]+$// if (defined $val);
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57 |
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58 | return $val;
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59 | }
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60 |
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61 | sub safe_val
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62 | {
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63 | my $self = shift @_;
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64 | my ($val) = @_;
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65 |
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66 | # ensure only alpha-numeric plus a few other special chars remain
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67 |
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68 | $val =~ s/[^[:alnum:]@\.\/\- :_]//g if (defined $val);
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69 |
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70 | return $val;
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71 | }
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72 |
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73 |
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74 | sub generate_error
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75 | {
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76 | my $self = shift @_;
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77 | my ($mess) = @_;
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78 |
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79 | my $xml = $self->{'xml'};
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80 |
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81 | my $full_mess;
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82 | my $args = $self->{'args'};
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83 |
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84 | if ($xml) {
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85 | # Make $args XML safe
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86 | my $args_xml_safe = $args;
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87 | $args_xml_safe =~ s/&/&/g;
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88 |
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89 | $full_mess = "<Error>\n";
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90 | $full_mess .= " $mess\n";
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91 | $full_mess .= " CGI args were: $args_xml_safe\n";
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92 | $full_mess .= "</Error>\n";
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93 | }
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94 | else {
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95 | $full_mess = "ERROR: $mess\n ($args)\n";
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96 | }
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97 |
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98 | print STDOUT "Content-type:text/plain\n\n";
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99 | print STDOUT $full_mess;
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100 |
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101 | die $full_mess;
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102 | }
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103 |
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104 | sub generate_warning
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105 | {
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106 | my $self = shift @_;
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107 | my ($mess) = @_;
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108 |
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109 | my $xml = $self->{'xml'};
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110 |
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111 | my $full_mess;
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112 | my $args = $self->{'args'};
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113 |
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114 | if ($xml) {
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115 | # Make $args XML safe
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116 | my $args_xml_safe = $args;
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117 | $args_xml_safe =~ s/&/&/g;
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118 |
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119 | $full_mess = "<Warning>\n";
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120 | $full_mess .= " $mess\n";
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121 | $full_mess .= " CGI args were: $args_xml_safe\n";
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122 | $full_mess .= "</Warning>\n";
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123 | }
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124 | else {
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125 | $full_mess = "Warning: $mess ($args)\n";
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126 | }
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127 |
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128 | print STDOUT "Content-type:text/plain\n\n";
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129 | print STDOUT $full_mess;
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130 |
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131 | print STDERR $full_mess;
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132 | }
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133 |
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134 |
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135 | sub generate_ok_message
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136 | {
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137 | my $self = shift @_;
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138 | my ($mess) = @_;
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139 |
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140 | my $xml = $self->{'xml'};
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141 |
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142 | my $full_mess;
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143 |
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144 | if ($xml) {
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145 | $full_mess = "<Accepted>\n";
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146 | $full_mess .= " $mess\n";
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147 | $full_mess .= "</Accepted>\n";
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148 | }
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149 | else {
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150 | $full_mess = "$mess\n";
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151 | }
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152 |
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153 | print STDOUT "Content-type:text/plain\n\n";
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154 | print STDOUT $full_mess;
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155 | }
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156 |
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157 |
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158 |
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159 | sub get_config_info {
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160 | my $self = shift @_;
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161 | my ($infotype) = @_;
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162 |
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163 | my $site_filename = "gsdlsite.cfg";
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164 | open (FILEIN, "<$site_filename")
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165 | || $self->generate_error("Could not open gsdlsite.cfg");
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166 |
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167 | my $config_content = "";
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168 | while(defined (my $line = <FILEIN>)) {
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169 | $config_content .= $line;
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170 | }
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171 | close(FILEIN);
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172 |
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173 | my ($loc) = ($config_content =~ m/^$infotype\s+((\".+\")|(\S+))\s*\n/m);
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174 | $loc =~ s/\"//g;
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175 |
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176 | if ((!defined $loc) || ($loc =~ m/^\s*$/)) {
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177 | $self->generate_error("$infotype is not set in gsdlsite.cfg");
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178 | }
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179 |
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180 | return $loc;
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181 | }
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182 |
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183 |
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184 | sub get_gsdl_home {
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185 | my $self = shift @_;
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186 |
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187 | if (defined $self->{'gsdlhome'}) {
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188 | return $self->{'gsdlhome'};
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189 | }
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190 |
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191 | my $gsdlhome = $self->get_config_info("gsdlhome");
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192 |
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193 | require "$gsdlhome/perllib/util.pm";
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194 |
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195 | $gsdlhome =~ s/(\/|\\)$//; # remove trailing slash
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196 |
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197 | $self->{'gsdlhome'} = $gsdlhome;
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198 |
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199 | return $gsdlhome;
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200 | }
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201 |
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202 | sub get_gsdl_os {
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203 | my $self = shift @_;
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204 |
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205 | my $os = $^O;
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206 |
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207 | if ($os =~ m/linux/i) {
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208 | return "linux";
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209 | }
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210 | elsif ($os =~ /mswin/i) {
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211 | return "windows";
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212 | }
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213 | elsif ($os =~ /macos/i) {
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214 | return "darwin";
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215 | }
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216 | else {
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217 | # return as is.
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218 | return $os;
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219 | }
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220 | }
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221 |
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222 | sub setup_gsdl {
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223 | my $self = shift @_;
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224 |
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225 | my $gsdlhome = $self->get_gsdl_home();
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226 | my $gsdlos = $self->get_gsdl_os();
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227 |
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228 | $ENV{'GSDLHOME'} = $gsdlhome;
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229 | $ENV{'GSDLOS'} = $gsdlos;
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230 |
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231 | my $gsdl_bin_script = &util::filename_cat($gsdlhome,"bin","script");
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232 | &util::envvar_append("PATH",$gsdl_bin_script);
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233 |
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234 | my $gsdl_bin_os = &util::filename_cat($gsdlhome,"bin",$gsdlos);
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235 | &util::envvar_append("PATH",$gsdl_bin_os);
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236 |
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237 | if ($gsdlos eq "windows") {
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238 | my $gsdl_perl_bin_directory = &util::filename_cat($gsdlhome, "bin", "windows", "perl", "bin");
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239 | &util::envvar_append("PATH", $gsdl_perl_bin_directory);
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240 | }
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241 | }
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242 |
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243 |
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244 | sub local_rm_r
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245 | {
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246 | my $self = shift @_;
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247 | my ($local_dir) = @_;
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248 |
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249 | my $prefix_dir = getcwd();
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250 |
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251 | if ($prefix_dir !~ m/collect/) {
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252 | $self->generate_error("Trying to delete outside of Greenstone collect: $full_dir");
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253 | }
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254 |
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255 | my $full_dir = &util::filename_cat($prefix_dir,$local_dir);
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256 |
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257 | # Delete recursively
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258 | if (!-e $full_dir) {
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259 | $self->generate_error("File/Directory does not exist: $full_dir");
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260 | }
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261 |
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262 | &util::rm_r($full_dir);
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263 | }
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264 |
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265 |
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266 | sub get_java_path()
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267 | {
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268 | # Check the JAVA_HOME environment variable first
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269 | if (defined $ENV{'JAVA_HOME'}) {
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270 | my $java_home = $ENV{'JAVA_HOME'};
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271 | $java_home =~ s/\/$//; # Remove trailing slash if present (Unix specific)
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272 | return &util::filename_cat($java_home, "bin", "java");
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273 | }
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274 |
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275 | # Hope that Java is on the PATH
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276 | return "java";
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277 | }
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278 |
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279 |
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280 | sub check_java_home()
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281 | {
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282 | # Return a warning unless the JAVA_HOME enrivonmen variable is set
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283 | if (!defined $ENV{'JAVA_HOME'}) {
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284 | return "JAVA_HOME environment variable not set. Might not be able to find Java unless in PATH (" . $ENV{'PATH'} . ")";
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285 | }
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286 |
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287 | return "";
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288 | }
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289 |
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290 |
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291 | sub checked_chdir
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292 | {
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293 | my $self = shift @_;
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294 | my ($dir) = @_;
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295 |
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296 | if (!-e $dir) {
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297 | $self->generate_error("Directory '$dir' does not exist");
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298 | }
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299 |
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300 | chdir $dir
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301 | || $self->generate_error("Unable to change to directory: $dir");
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302 | }
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303 |
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304 | 1;
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305 |
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