1 | <?php |
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2 | // +-----------------------------------------------------------------------+ |
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3 | // | PhpWebGallery - a PHP based picture gallery | |
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4 | // | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net | |
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5 | // | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net | |
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6 | // +-----------------------------------------------------------------------+ |
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7 | // | branch : BSF (Best So Far) |
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8 | // | file : $RCSfile$ |
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9 | // | last update : $Date: 2006-12-04 22:08:35 +0000 (Mon, 04 Dec 2006) $ |
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10 | // | last modifier : $Author: rub $ |
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11 | // | revision : $Revision: 1635 $ |
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12 | // +-----------------------------------------------------------------------+ |
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13 | // | This program is free software; you can redistribute it and/or modify | |
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14 | // | it under the terms of the GNU General Public License as published by | |
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15 | // | the Free Software Foundation | |
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16 | // | | |
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17 | // | This program is distributed in the hope that it will be useful, but | |
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18 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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19 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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20 | // | General Public License for more details. | |
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21 | // | | |
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22 | // | You should have received a copy of the GNU General Public License | |
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23 | // | along with this program; if not, write to the Free Software | |
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24 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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25 | // | USA. | |
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26 | // +-----------------------------------------------------------------------+ |
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27 | |
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28 | // +-----------------------------------------------------------------------+ |
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29 | // | parameters | |
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30 | // +-----------------------------------------------------------------------+ |
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31 | |
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32 | // prefix for thumbnails in "thumbnail" sub directories |
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33 | $conf['prefix_thumbnail'] = 'TN-'; |
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34 | |
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35 | // $conf['file_ext'] lists all extensions (case insensitive) allowed for |
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36 | // your PhpWebGallery installation |
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37 | $conf['file_ext'] = array('jpg','JPG','jpeg','JPEG', |
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38 | 'png','PNG','gif','GIF','mpg','zip', |
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39 | 'avi','mp3','ogg'); |
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40 | |
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41 | // $conf['picture_ext'] must be a subset of $conf['file_ext'] |
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42 | $conf['picture_ext'] = array('jpg','JPG','jpeg','JPEG', |
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43 | 'png','PNG','gif','GIF'); |
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44 | |
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45 | // $conf['version'] is used to verify the compatibility of the generated |
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46 | // listing.xml file and the PhpWebGallery version you're running |
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47 | $conf['version'] = 'Alligator'; |
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48 | |
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49 | // $conf['use_exif'] set to true if you want to use Exif information |
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50 | $conf['use_exif'] = true; |
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51 | |
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52 | // use_exif_mapping: same behaviour as use_iptc_mapping |
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53 | $conf['use_exif_mapping'] = array( |
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54 | 'date_creation' => 'DateTimeOriginal' |
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55 | ); |
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56 | |
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57 | // $conf['use_iptc'] set to true if you want to use IPTC informations of the |
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58 | // element according to get_sync_iptc_data function mapping, otherwise, set |
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59 | // to false |
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60 | $conf['use_iptc'] = false; |
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61 | |
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62 | // use_iptc_mapping : in which IPTC fields will PhpWebGallery find image |
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63 | // information ? This setting is used during metadata synchronisation. It |
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64 | // associates a phpwebgallery_images column name to a IPTC key |
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65 | $conf['use_iptc_mapping'] = array( |
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66 | 'keywords' => '2#025', |
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67 | 'date_creation' => '2#055', |
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68 | 'author' => '2#122', |
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69 | 'name' => '2#005', |
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70 | 'comment' => '2#120' |
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71 | ); |
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72 | |
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73 | // +-----------------------------------------------------------------------+ |
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74 | // | functions | |
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75 | // +-----------------------------------------------------------------------+ |
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76 | |
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77 | /** |
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78 | * returns informations from IPTC metadata, mapping is done at the beginning |
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79 | * of the function |
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80 | * |
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81 | * @param string $filename |
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82 | * @return array |
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83 | */ |
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84 | function get_iptc_data($filename, $map) |
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85 | { |
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86 | $result = array(); |
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87 | |
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88 | // Read IPTC data |
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89 | $iptc = array(); |
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90 | |
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91 | $imginfo = array(); |
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92 | getimagesize($filename, $imginfo); |
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93 | |
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94 | if (isset($imginfo['APP13'])) |
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95 | { |
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96 | $iptc = iptcparse($imginfo['APP13']); |
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97 | if (is_array($iptc)) |
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98 | { |
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99 | $rmap = array_flip($map); |
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100 | foreach (array_keys($rmap) as $iptc_key) |
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101 | { |
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102 | if (isset($iptc[$iptc_key][0])) |
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103 | { |
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104 | if ($iptc_key == '2#025') |
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105 | { |
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106 | $value = implode(',', |
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107 | array_map('clean_iptc_value',$iptc[$iptc_key])); |
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108 | } |
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109 | else |
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110 | { |
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111 | $value = clean_iptc_value($iptc[$iptc_key][0]); |
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112 | } |
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113 | |
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114 | foreach (array_keys($map, $iptc_key) as $pwg_key) |
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115 | { |
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116 | $result[$pwg_key] = $value; |
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117 | } |
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118 | } |
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119 | } |
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120 | } |
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121 | } |
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122 | return $result; |
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123 | } |
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124 | |
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125 | /** |
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126 | * return a cleaned IPTC value |
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127 | * |
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128 | * @param string value |
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129 | * @return string |
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130 | */ |
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131 | function clean_iptc_value($value) |
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132 | { |
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133 | // strip leading zeros (weird Kodak Scanner software) |
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134 | while ($value[0] == chr(0)) |
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135 | { |
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136 | $value = substr($value, 1); |
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137 | } |
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138 | // remove binary nulls |
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139 | $value = str_replace(chr(0x00), ' ', $value); |
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140 | |
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141 | return $value; |
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142 | } |
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143 | |
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144 | function get_sync_iptc_data($file) |
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145 | { |
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146 | global $conf; |
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147 | |
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148 | $map = $conf['use_iptc_mapping']; |
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149 | $datefields = array('date_creation', 'date_available'); |
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150 | |
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151 | $iptc = get_iptc_data($file, $map); |
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152 | |
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153 | foreach ($iptc as $pwg_key => $value) |
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154 | { |
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155 | if (in_array($pwg_key, $datefields)) |
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156 | { |
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157 | if ( preg_match('/(\d{4})(\d{2})(\d{2})/', $value, $matches)) |
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158 | { |
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159 | $value = $matches[1].'-'.$matches[2].'-'.$matches[3]; |
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160 | } |
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161 | } |
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162 | if ($pwg_key == 'keywords') |
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163 | { |
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164 | // official keywords separator is the comma |
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165 | $value = preg_replace('/[.;]/', ',', $value); |
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166 | $value = preg_replace('/^,+|,+$/', '', $value); |
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167 | } |
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168 | $iptc[$pwg_key] = htmlentities($value); |
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169 | } |
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170 | |
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171 | $iptc['keywords'] = implode( |
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172 | ',', |
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173 | array_unique( |
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174 | explode( |
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175 | ',', |
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176 | $iptc['keywords'] |
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177 | ) |
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178 | ) |
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179 | ); |
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180 | return $iptc; |
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181 | } |
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182 | |
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183 | /** |
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184 | * returns a float value coresponding to the number of seconds since the |
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185 | * unix epoch (1st January 1970) and the microseconds are precised : |
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186 | * e.g. 1052343429.89276600 |
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187 | * |
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188 | * @return float |
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189 | */ |
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190 | function get_moment() |
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191 | { |
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192 | $t1 = explode(' ', microtime()); |
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193 | $t2 = explode('.', $t1[0]); |
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194 | $t2 = $t1[1].'.'.$t2[1]; |
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195 | return $t2; |
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196 | } |
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197 | |
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198 | /** |
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199 | * returns the number of seconds (with 3 decimals precision) between the |
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200 | * start time and the end time given. |
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201 | * |
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202 | * @param float start |
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203 | * @param float end |
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204 | * @return void |
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205 | */ |
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206 | function get_elapsed_time($start, $end) |
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207 | { |
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208 | return number_format($end - $start, 3, '.', ' ').' s'; |
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209 | } |
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210 | |
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211 | /** |
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212 | * returns an array with all picture files according to $conf['file_ext'] |
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213 | * |
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214 | * @param string $dir |
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215 | * @return array |
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216 | */ |
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217 | function get_pwg_files($dir) |
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218 | { |
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219 | global $conf; |
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220 | |
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221 | $pictures = array(); |
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222 | if ($opendir = opendir($dir)) |
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223 | { |
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224 | while ($file = readdir($opendir)) |
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225 | { |
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226 | if (in_array(get_extension($file), $conf['file_ext'])) |
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227 | { |
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228 | array_push($pictures, $file); |
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229 | if (!preg_match('/^[a-zA-Z0-9-_.]+$/', $file)) |
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230 | { |
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231 | echo 'PWG-WARNING-2: "'.$file.'" : '; |
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232 | echo 'The name of the file should be composed of '; |
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233 | echo 'letters, figures, "-", "_" or "." ONLY'; |
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234 | echo "\n"; |
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235 | } |
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236 | } |
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237 | } |
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238 | } |
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239 | return $pictures; |
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240 | } |
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241 | |
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242 | /** |
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243 | * returns an array with all thumbnails according to $conf['picture_ext'] |
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244 | * and $conf['prefix_thumbnail'] |
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245 | * |
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246 | * @param string $dir |
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247 | * @return array |
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248 | */ |
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249 | function get_thumb_files($dir) |
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250 | { |
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251 | global $conf; |
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252 | |
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253 | $prefix_length = strlen($conf['prefix_thumbnail']); |
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254 | |
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255 | $thumbnails = array(); |
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256 | if (is_dir($dir.'/thumbnail')) |
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257 | { |
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258 | if ($opendir = opendir($dir.'/thumbnail')) |
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259 | { |
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260 | while ($file = readdir($opendir)) |
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261 | { |
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262 | if (in_array(get_extension($file), $conf['picture_ext']) |
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263 | and substr($file,0,$prefix_length) == $conf['prefix_thumbnail']) |
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264 | { |
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265 | array_push($thumbnails, $file); |
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266 | } |
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267 | } |
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268 | } |
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269 | } |
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270 | return $thumbnails; |
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271 | } |
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272 | |
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273 | /** |
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274 | * returns an array with representative picture files of a directory |
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275 | * according to $conf['picture_ext'] |
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276 | * |
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277 | * @param string $dir |
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278 | * @return array |
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279 | */ |
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280 | function get_representative_files($dir) |
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281 | { |
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282 | global $conf; |
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283 | |
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284 | $pictures = array(); |
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285 | if (is_dir($dir.'/pwg_representative')) |
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286 | { |
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287 | if ($opendir = opendir($dir.'/pwg_representative')) |
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288 | { |
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289 | while ($file = readdir($opendir)) |
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290 | { |
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291 | if (in_array(get_extension($file), $conf['picture_ext'])) |
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292 | { |
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293 | array_push($pictures, $file); |
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294 | } |
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295 | } |
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296 | } |
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297 | } |
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298 | return $pictures; |
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299 | } |
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300 | |
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301 | /** |
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302 | * returns an array with high quality/resolution picture files of a directory |
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303 | * according to $conf['picture_ext'] |
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304 | * |
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305 | * @param string $dir |
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306 | * @return array |
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307 | */ |
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308 | function get_high_files($dir) |
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309 | { |
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310 | global $conf; |
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311 | |
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312 | $pictures = array(); |
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313 | if (is_dir($dir.'/pwg_high')) |
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314 | { |
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315 | if ($opendir = opendir($dir.'/pwg_high')) |
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316 | { |
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317 | while ($file = readdir($opendir)) |
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318 | { |
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319 | if (in_array(get_extension($file), $conf['picture_ext'])) |
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320 | { |
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321 | array_push($pictures, $file); |
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322 | } |
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323 | } |
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324 | } |
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325 | } |
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326 | return $pictures; |
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327 | } |
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328 | |
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329 | /** |
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330 | * search in $basedir the sub-directories and calls get_pictures |
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331 | * |
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332 | * @return void |
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333 | */ |
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334 | function get_dirs($basedir, $indent, $level) |
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335 | { |
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336 | $fs_dirs = array(); |
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337 | $dirs = ""; |
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338 | global $conf_safe_mode; |
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339 | |
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340 | // Refresh the max_execution_time to avoid timout error |
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341 | // By default time to scan a directory (without subdirs) is fixed to 30 seconds |
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342 | if (!$conf_safe_mode) |
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343 | { |
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344 | set_time_limit(30); |
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345 | } |
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346 | |
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347 | if ($opendir = opendir($basedir)) |
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348 | { |
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349 | while ($file = readdir($opendir)) |
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350 | { |
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351 | if ($file != '.' |
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352 | and $file != '..' |
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353 | and $file != '.svn' |
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354 | and $file != 'thumbnail' |
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355 | and $file != 'pwg_high' |
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356 | and $file != 'pwg_representative' |
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357 | and is_dir ($basedir.'/'.$file)) |
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358 | { |
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359 | array_push($fs_dirs, $file); |
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360 | if (!preg_match('/^[a-zA-Z0-9-_.]+$/', $file)) |
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361 | { |
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362 | echo 'PWG-WARNING-1: "'.$file.'" : '; |
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363 | echo 'The name of the directory should be composed of '; |
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364 | echo 'letters, figures, "-", "_" or "." ONLY'; |
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365 | echo "\n"; |
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366 | } |
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367 | } |
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368 | } |
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369 | } |
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370 | // write of the dirs |
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371 | foreach ($fs_dirs as $fs_dir) |
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372 | { |
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373 | $dirs.= "\n".$indent.'<dir'.$level.' name="'.$fs_dir.'">'; |
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374 | $dirs.= get_pictures($basedir.'/'.$fs_dir, $indent.' '); |
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375 | $dirs.= get_dirs($basedir.'/'.$fs_dir, $indent.' ', $level + 1); |
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376 | $dirs.= "\n".$indent.'</dir'.$level.'>'; |
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377 | } |
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378 | return $dirs; |
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379 | } |
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380 | |
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381 | // get_extension returns the part of the string after the last "." |
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382 | function get_extension($filename) |
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383 | { |
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384 | return substr(strrchr($filename, '.'), 1, strlen ($filename)); |
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385 | } |
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386 | |
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387 | // get_filename_wo_extension returns the part of the string before the last |
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388 | // ".". |
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389 | // get_filename_wo_extension('test.tar.gz') -> 'test.tar' |
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390 | function get_filename_wo_extension($filename) |
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391 | { |
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392 | return substr($filename, 0, strrpos($filename, '.')); |
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393 | } |
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394 | |
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395 | function get_pictures($dir, $indent) |
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396 | { |
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397 | global $conf, $page; |
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398 | |
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399 | // fs means FileSystem : $fs_files contains files in the filesystem found |
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400 | // in $dir that can be managed by PhpWebGallery (see get_pwg_files |
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401 | // function), $fs_thumbnails contains thumbnails, $fs_representatives |
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402 | // contains potentially representative pictures for non picture files |
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403 | $fs_files = get_pwg_files($dir); |
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404 | $fs_thumbnails = get_thumb_files($dir); |
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405 | $fs_representatives = get_representative_files($dir); |
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406 | $fs_highs = get_high_files($dir); |
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407 | |
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408 | $elements = array(); |
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409 | |
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410 | $print_dir = preg_replace('/^\.\//', '', $dir); |
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411 | $print_dir = preg_replace('/\/*$/', '/', $print_dir); |
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412 | |
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413 | foreach ($fs_files as $fs_file) |
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414 | { |
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415 | $element = array(); |
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416 | $element['file'] = $fs_file; |
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417 | $element['path'] = $page['url'].$print_dir.$fs_file; |
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418 | $element['filesize'] = floor(filesize($dir.'/'.$fs_file) / 1024); |
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419 | |
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420 | $file_wo_ext = get_filename_wo_extension($fs_file); |
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421 | |
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422 | foreach ($conf['picture_ext'] as $ext) |
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423 | { |
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424 | $test = $conf['prefix_thumbnail'].$file_wo_ext.'.'.$ext; |
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425 | if (!in_array($test, $fs_thumbnails)) |
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426 | { |
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427 | continue; |
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428 | } |
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429 | else |
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430 | { |
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431 | $element['tn_ext'] = $ext; |
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432 | break; |
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433 | } |
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434 | } |
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435 | |
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436 | // 2 cases : the element is a picture or not. Indeed, for a picture |
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437 | // thumbnail is mandatory, high is optional and for non picture element, |
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438 | // thumbnail and representative is optionnal |
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439 | if (in_array(get_extension($fs_file), $conf['picture_ext'])) |
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440 | { |
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441 | // if we found a thumnbnail corresponding to our picture... |
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442 | if (isset($element['tn_ext'])) |
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443 | { |
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444 | if ($image_size = @getimagesize($dir.'/'.$fs_file)) |
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445 | { |
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446 | $element['width'] = $image_size[0]; |
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447 | $element['height'] = $image_size[1]; |
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448 | } |
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449 | |
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450 | if ( in_array($fs_file, $fs_highs) ) |
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451 | { |
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452 | $element['has_high'] = 'true'; |
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453 | } |
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454 | |
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455 | if ($conf['use_exif']) |
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456 | { |
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457 | // Verify activation of exif module |
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458 | if (extension_loaded('exif')) |
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459 | { |
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460 | if ($exif = read_exif_data($dir.'/'.$fs_file)) |
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461 | { |
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462 | foreach ($conf['use_exif_mapping'] as $pwg_key => $exif_key ) |
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463 | { |
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464 | if (isset($exif[$exif_key])) |
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465 | { |
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466 | if ( in_array($pwg_key, array('date_creation','date_available') ) ) |
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467 | { |
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468 | if (preg_match('/^(\d{4}):(\d{2}):(\d{2})/' |
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469 | ,$exif[$exif_key] |
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470 | ,$matches)) |
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471 | { |
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472 | $element[$pwg_key] = |
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473 | $matches[1].'-'.$matches[2].'-'.$matches[3]; |
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474 | } |
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475 | } |
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476 | else |
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477 | { |
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478 | $element[$pwg_key] = $exif[$exif_key]; |
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479 | } |
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480 | } |
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481 | } |
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482 | } |
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483 | } |
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484 | } |
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485 | |
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486 | if ($conf['use_iptc']) |
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487 | { |
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488 | $iptc = get_sync_iptc_data($dir.'/'.$fs_file); |
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489 | if (count($iptc) > 0) |
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490 | { |
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491 | foreach (array_keys($iptc) as $key) |
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492 | { |
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493 | $element[$key] = $iptc[$key]; |
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494 | } |
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495 | } |
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496 | } |
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497 | |
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498 | array_push($elements, $element); |
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499 | } |
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500 | else |
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501 | { |
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502 | echo 'PWG-ERROR-1: The thumbnail is missing for '.$dir.'/'.$fs_file; |
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503 | echo '-> '.$dir.'/thumbnail/'; |
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504 | echo $conf['prefix_thumbnail'].$file_wo_ext.'.xxx'; |
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505 | echo ' ("xxx" can be : '; |
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506 | echo implode(', ', $conf['picture_ext']); |
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507 | echo ')'."\n"; |
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508 | } |
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509 | } |
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510 | else |
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511 | { |
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512 | foreach ($conf['picture_ext'] as $ext) |
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513 | { |
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514 | $candidate = $file_wo_ext.'.'.$ext; |
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515 | if (!in_array($candidate, $fs_representatives)) |
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516 | { |
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517 | continue; |
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518 | } |
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519 | else |
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520 | { |
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521 | $element['representative_ext'] = $ext; |
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522 | break; |
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523 | } |
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524 | } |
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525 | |
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526 | array_push($elements, $element); |
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527 | } |
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528 | } |
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529 | |
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530 | $xml = "\n".$indent.'<root>'; |
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531 | $attributes = array('file','tn_ext','representative_ext','filesize', |
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532 | 'width','height','date_creation','author','keywords', |
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533 | 'name','comment','has_high', 'path'); |
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534 | foreach ($elements as $element) |
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535 | { |
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536 | $xml.= "\n".$indent.' '; |
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537 | $xml.= '<element'; |
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538 | foreach ($attributes as $attribute) |
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539 | { |
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540 | if (isset($element{$attribute})) |
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541 | { |
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542 | $xml.= ' '.$attribute.'="'.$element{$attribute}.'"'; |
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543 | } |
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544 | } |
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545 | $xml.= ' />'; |
---|
546 | } |
---|
547 | $xml.= "\n".$indent.'</root>'; |
---|
548 | |
---|
549 | return $xml; |
---|
550 | } |
---|
551 | |
---|
552 | // +-----------------------------------------------------------------------+ |
---|
553 | // | script | |
---|
554 | // +-----------------------------------------------------------------------+ |
---|
555 | if (isset($_GET['action'])) |
---|
556 | { |
---|
557 | $page['action'] = $_GET['action']; |
---|
558 | } |
---|
559 | else |
---|
560 | { |
---|
561 | $page['action'] = ''; |
---|
562 | } |
---|
563 | |
---|
564 | // Looking at the safe_mode configuration for execution time |
---|
565 | $conf_safe_mode = TRUE; |
---|
566 | if (ini_get('safe_mode') == 0) |
---|
567 | { |
---|
568 | $conf_safe_mode = FALSE; |
---|
569 | } |
---|
570 | |
---|
571 | echo '<pre>'; |
---|
572 | switch ($page['action']) |
---|
573 | { |
---|
574 | case 'generate' : |
---|
575 | { |
---|
576 | $start = get_moment(); |
---|
577 | |
---|
578 | $listing = '<informations'; |
---|
579 | $listing.= ' generation_date="'.date('Y-m-d').'"'; |
---|
580 | $listing.= ' phpwg_version="'.htmlentities($conf{'version'}).'"'; |
---|
581 | |
---|
582 | $attrs=array(); |
---|
583 | if ($conf['use_iptc']) |
---|
584 | { |
---|
585 | $attrs = array_merge($attrs, array_keys($conf['use_iptc_mapping']) ); |
---|
586 | } |
---|
587 | if ($conf['use_exif']) |
---|
588 | { |
---|
589 | $attrs = array_merge($attrs, array_keys($conf['use_exif_mapping']) ); |
---|
590 | } |
---|
591 | $listing.= ' metadata="'.implode(',',array_unique($attrs)).'"'; |
---|
592 | |
---|
593 | $end = strrpos($_SERVER['PHP_SELF'], '/') + 1; |
---|
594 | $local_folder = substr($_SERVER['PHP_SELF'], 0, $end); |
---|
595 | $page['url'] = 'http://'.$_SERVER['HTTP_HOST'].$local_folder; |
---|
596 | |
---|
597 | $listing.= ' url="'.$page['url'].'"'; |
---|
598 | $listing.= '/>'."\n"; |
---|
599 | |
---|
600 | $listing.= get_dirs('.', '', 0); |
---|
601 | |
---|
602 | if ($fp = @fopen("./listing.xml","w")) |
---|
603 | { |
---|
604 | fwrite($fp, $listing); |
---|
605 | fclose($fp); |
---|
606 | echo 'PWG-INFO-1: listing.xml created in '; |
---|
607 | echo get_elapsed_time($start, get_moment()); |
---|
608 | echo "\n"; |
---|
609 | } |
---|
610 | else |
---|
611 | { |
---|
612 | echo "PWG-ERROR-2: I can't write the file listing.xml"."\n"; |
---|
613 | } |
---|
614 | break; |
---|
615 | } |
---|
616 | case 'test' : |
---|
617 | { |
---|
618 | if (isset($_GET['version'])) |
---|
619 | { |
---|
620 | if ($_GET['version'] != $conf['version']) |
---|
621 | { |
---|
622 | echo 'PWG-ERROR-4: PhpWebGallery versions differs'."\n"; |
---|
623 | } |
---|
624 | else |
---|
625 | { |
---|
626 | echo 'PWG-INFO-2: test successful'."\n"; |
---|
627 | } |
---|
628 | } |
---|
629 | else |
---|
630 | { |
---|
631 | echo 'PWG-INFO-2: test successful'."\n"; |
---|
632 | } |
---|
633 | break; |
---|
634 | } |
---|
635 | case 'clean' : |
---|
636 | { |
---|
637 | if( @unlink('./listing.xml')) |
---|
638 | { |
---|
639 | echo 'PWG-INFO-3 : listing.xml file deleted'."\n"; |
---|
640 | } |
---|
641 | else |
---|
642 | { |
---|
643 | echo 'PWG-ERROR-3 : listing.xml does not exist'."\n"; |
---|
644 | } |
---|
645 | break; |
---|
646 | } |
---|
647 | default : |
---|
648 | { |
---|
649 | // Menu de lancement pour la mise à jour manuel des sites distant |
---|
650 | echo '</pre> |
---|
651 | <ul> |
---|
652 | <li> |
---|
653 | <a href="create_listing_file.php?action=generate">Generate listing.xml</a> |
---|
654 | </li> |
---|
655 | |
---|
656 | <li> |
---|
657 | <a href="create_listing_file.php?action=test">Test</a> |
---|
658 | </li> |
---|
659 | |
---|
660 | <li> |
---|
661 | <a href="create_listing_file.php?action=clean">Clean</a> |
---|
662 | </li> |
---|
663 | </ul> |
---|
664 | <pre>'; |
---|
665 | } |
---|
666 | } |
---|
667 | echo '</pre>'; |
---|
668 | ?> |
---|