1 | <?php |
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2 | // +-----------------------------------------------------------------------+ |
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3 | // | Piwigo - a PHP based photo gallery | |
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4 | // +-----------------------------------------------------------------------+ |
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5 | // | Copyright(C) 2008-2011 Piwigo Team http://piwigo.org | |
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6 | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | |
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7 | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | |
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8 | // +-----------------------------------------------------------------------+ |
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9 | // | This program is free software; you can redistribute it and/or modify | |
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10 | // | it under the terms of the GNU General Public License as published by | |
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11 | // | the Free Software Foundation | |
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12 | // | | |
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13 | // | This program is distributed in the hope that it will be useful, but | |
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14 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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15 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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16 | // | General Public License for more details. | |
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17 | // | | |
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18 | // | You should have received a copy of the GNU General Public License | |
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19 | // | along with this program; if not, write to the Free Software | |
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20 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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21 | // | USA. | |
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22 | // +-----------------------------------------------------------------------+ |
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23 | |
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24 | include_once(PHPWG_ROOT_PATH.'admin/include/functions.php'); |
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25 | |
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26 | // add default event handler for image and thumbnail resize |
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27 | add_event_handler('upload_image_resize', 'pwg_image_resize', EVENT_HANDLER_PRIORITY_NEUTRAL, 7); |
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28 | add_event_handler('upload_thumbnail_resize', 'pwg_image_resize', EVENT_HANDLER_PRIORITY_NEUTRAL, 7); |
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29 | |
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30 | function get_upload_form_config() |
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31 | { |
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32 | // default configuration for upload |
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33 | $upload_form_config = array( |
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34 | 'websize_resize' => array( |
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35 | 'default' => true, |
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36 | 'can_be_null' => false, |
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37 | ), |
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38 | |
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39 | 'websize_maxwidth' => array( |
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40 | 'default' => 800, |
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41 | 'min' => 100, |
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42 | 'max' => 1600, |
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43 | 'pattern' => '/^\d+$/', |
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44 | 'can_be_null' => true, |
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45 | 'error_message' => l10n('The websize maximum width must be a number between %d and %d'), |
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46 | ), |
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47 | |
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48 | 'websize_maxheight' => array( |
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49 | 'default' => 600, |
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50 | 'min' => 100, |
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51 | 'max' => 1200, |
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52 | 'pattern' => '/^\d+$/', |
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53 | 'can_be_null' => true, |
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54 | 'error_message' => l10n('The websize maximum height must be a number between %d and %d'), |
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55 | ), |
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56 | |
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57 | 'websize_quality' => array( |
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58 | 'default' => 95, |
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59 | 'min' => 50, |
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60 | 'max' => 100, |
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61 | 'pattern' => '/^\d+$/', |
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62 | 'can_be_null' => false, |
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63 | 'error_message' => l10n('The websize image quality must be a number between %d and %d'), |
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64 | ), |
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65 | |
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66 | 'thumb_maxwidth' => array( |
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67 | 'default' => 128, |
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68 | 'min' => 50, |
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69 | 'max' => 300, |
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70 | 'pattern' => '/^\d+$/', |
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71 | 'can_be_null' => false, |
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72 | 'error_message' => l10n('The thumbnail maximum width must be a number between %d and %d'), |
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73 | ), |
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74 | |
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75 | 'thumb_maxheight' => array( |
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76 | 'default' => 96, |
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77 | 'min' => 50, |
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78 | 'max' => 300, |
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79 | 'pattern' => '/^\d+$/', |
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80 | 'can_be_null' => false, |
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81 | 'error_message' => l10n('The thumbnail maximum height must be a number between %d and %d'), |
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82 | ), |
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83 | |
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84 | 'thumb_quality' => array( |
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85 | 'default' => 95, |
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86 | 'min' => 50, |
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87 | 'max' => 100, |
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88 | 'pattern' => '/^\d+$/', |
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89 | 'can_be_null' => false, |
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90 | 'error_message' => l10n('The thumbnail image quality must be a number between %d and %d'), |
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91 | ), |
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92 | |
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93 | 'hd_keep' => array( |
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94 | 'default' => true, |
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95 | 'can_be_null' => false, |
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96 | ), |
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97 | |
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98 | 'hd_resize' => array( |
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99 | 'default' => false, |
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100 | 'can_be_null' => false, |
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101 | ), |
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102 | |
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103 | 'hd_maxwidth' => array( |
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104 | 'default' => 2000, |
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105 | 'min' => 500, |
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106 | 'max' => 20000, |
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107 | 'pattern' => '/^\d+$/', |
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108 | 'can_be_null' => false, |
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109 | 'error_message' => l10n('The high definition maximum width must be a number between %d and %d'), |
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110 | ), |
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111 | |
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112 | 'hd_maxheight' => array( |
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113 | 'default' => 2000, |
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114 | 'min' => 500, |
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115 | 'max' => 20000, |
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116 | 'pattern' => '/^\d+$/', |
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117 | 'can_be_null' => false, |
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118 | 'error_message' => l10n('The high definition maximum height must be a number between %d and %d'), |
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119 | ), |
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120 | |
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121 | 'hd_quality' => array( |
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122 | 'default' => 95, |
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123 | 'min' => 50, |
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124 | 'max' => 100, |
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125 | 'pattern' => '/^\d+$/', |
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126 | 'can_be_null' => false, |
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127 | 'error_message' => l10n('The high definition image quality must be a number between %d and %d'), |
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128 | ), |
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129 | ); |
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130 | |
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131 | return $upload_form_config; |
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132 | } |
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133 | |
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134 | /* |
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135 | * automatic fill of configuration parameters |
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136 | */ |
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137 | function prepare_upload_configuration() |
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138 | { |
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139 | global $conf; |
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140 | |
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141 | $inserts = array(); |
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142 | |
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143 | foreach (get_upload_form_config() as $param_shortname => $param) |
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144 | { |
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145 | $param_name = 'upload_form_'.$param_shortname; |
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146 | |
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147 | if (!isset($conf[$param_name])) |
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148 | { |
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149 | $conf[$param_name] = $param['default']; |
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150 | |
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151 | array_push( |
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152 | $inserts, |
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153 | array( |
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154 | 'param' => $param_name, |
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155 | 'value' => boolean_to_string($param['default']), |
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156 | ) |
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157 | ); |
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158 | } |
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159 | } |
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160 | |
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161 | if (count($inserts) > 0) |
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162 | { |
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163 | mass_inserts( |
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164 | CONFIG_TABLE, |
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165 | array_keys($inserts[0]), |
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166 | $inserts |
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167 | ); |
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168 | } |
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169 | } |
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170 | |
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171 | function add_uploaded_file($source_filepath, $original_filename=null, $categories=null, $level=null, $image_id=null) |
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172 | { |
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173 | // Here is the plan |
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174 | // |
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175 | // 1) move uploaded file to upload/2010/01/22/20100122003814-449ada00.jpg |
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176 | // |
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177 | // 2) if taller than max_height or wider than max_width, move to pwg_high |
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178 | // + web sized creation |
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179 | // |
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180 | // 3) thumbnail creation from web sized |
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181 | // |
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182 | // 4) register in database |
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183 | |
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184 | // TODO |
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185 | // * check md5sum (already exists?) |
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186 | |
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187 | global $conf, $user; |
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188 | |
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189 | $md5sum = md5_file($source_filepath); |
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190 | $file_path = null; |
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191 | |
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192 | if (isset($image_id)) |
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193 | { |
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194 | // we are performing an update |
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195 | $query = ' |
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196 | SELECT |
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197 | path |
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198 | FROM '.IMAGES_TABLE.' |
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199 | WHERE id = '.$image_id.' |
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200 | ;'; |
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201 | $result = pwg_query($query); |
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202 | while ($row = pwg_db_fetch_assoc($result)) |
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203 | { |
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204 | $file_path = $row['path']; |
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205 | } |
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206 | |
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207 | if (!isset($file_path)) |
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208 | { |
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209 | die('['.__FUNCTION__.'] this photo does not exist in the database'); |
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210 | } |
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211 | |
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212 | // delete all physical files related to the photo (thumbnail, web site, HD) |
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213 | delete_element_files(array($image_id)); |
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214 | } |
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215 | else |
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216 | { |
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217 | // this photo is new |
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218 | |
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219 | // current date |
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220 | list($dbnow) = pwg_db_fetch_row(pwg_query('SELECT NOW();')); |
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221 | list($year, $month, $day) = preg_split('/[^\d]/', $dbnow, 4); |
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222 | |
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223 | // upload directory hierarchy |
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224 | $upload_dir = sprintf( |
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225 | PHPWG_ROOT_PATH.$conf['upload_dir'].'/%s/%s/%s', |
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226 | $year, |
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227 | $month, |
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228 | $day |
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229 | ); |
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230 | |
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231 | // compute file path |
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232 | $date_string = preg_replace('/[^\d]/', '', $dbnow); |
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233 | $random_string = substr($md5sum, 0, 8); |
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234 | $filename_wo_ext = $date_string.'-'.$random_string; |
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235 | $file_path = $upload_dir.'/'.$filename_wo_ext.'.'; |
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236 | |
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237 | list($width, $height, $type) = getimagesize($source_filepath); |
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238 | if (IMAGETYPE_PNG == $type) |
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239 | { |
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240 | $file_path.= 'png'; |
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241 | } |
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242 | else |
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243 | { |
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244 | $file_path.= 'jpg'; |
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245 | } |
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246 | |
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247 | prepare_directory($upload_dir); |
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248 | } |
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249 | |
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250 | if (is_uploaded_file($source_filepath)) |
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251 | { |
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252 | move_uploaded_file($source_filepath, $file_path); |
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253 | } |
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254 | else |
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255 | { |
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256 | copy($source_filepath, $file_path); |
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257 | } |
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258 | |
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259 | if ($conf['upload_form_websize_resize'] |
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260 | and need_resize($file_path, $conf['upload_form_websize_maxwidth'], $conf['upload_form_websize_maxheight'])) |
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261 | { |
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262 | $high_path = file_path_for_type($file_path, 'high'); |
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263 | $high_dir = dirname($high_path); |
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264 | prepare_directory($high_dir); |
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265 | |
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266 | rename($file_path, $high_path); |
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267 | $high_infos = pwg_image_infos($high_path); |
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268 | |
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269 | trigger_event( |
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270 | 'upload_image_resize', |
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271 | false, |
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272 | $high_path, |
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273 | $file_path, |
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274 | $conf['upload_form_websize_maxwidth'], |
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275 | $conf['upload_form_websize_maxheight'], |
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276 | $conf['upload_form_websize_quality'], |
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277 | false |
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278 | ); |
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279 | |
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280 | if (is_imagick()) |
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281 | { |
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282 | if ($conf['upload_form_hd_keep']) |
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283 | { |
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284 | if ($conf['upload_form_hd_resize']) |
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285 | { |
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286 | $need_resize = need_resize($high_path, $conf['upload_form_hd_maxwidth'], $conf['upload_form_hd_maxheight']); |
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287 | |
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288 | if ($need_resize) |
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289 | { |
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290 | pwg_image_resize( |
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291 | false, |
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292 | $high_path, |
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293 | $high_path, |
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294 | $conf['upload_form_hd_maxwidth'], |
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295 | $conf['upload_form_hd_maxheight'], |
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296 | $conf['upload_form_hd_quality'], |
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297 | false |
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298 | ); |
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299 | $high_infos = pwg_image_infos($high_path); |
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300 | } |
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301 | } |
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302 | } |
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303 | else |
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304 | { |
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305 | unlink($high_path); |
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306 | $high_infos = null; |
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307 | } |
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308 | } |
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309 | } |
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310 | |
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311 | $file_infos = pwg_image_infos($file_path); |
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312 | |
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313 | $thumb_path = file_path_for_type($file_path, 'thumb'); |
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314 | $thumb_dir = dirname($thumb_path); |
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315 | prepare_directory($thumb_dir); |
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316 | |
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317 | trigger_event( |
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318 | 'upload_thumbnail_resize', |
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319 | false, |
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320 | $file_path, |
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321 | $thumb_path, |
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322 | $conf['upload_form_thumb_maxwidth'], |
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323 | $conf['upload_form_thumb_maxheight'], |
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324 | $conf['upload_form_thumb_quality'], |
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325 | true |
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326 | ); |
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327 | |
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328 | $thumb_infos = pwg_image_infos($thumb_path); |
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329 | |
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330 | if (isset($image_id)) |
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331 | { |
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332 | $update = array( |
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333 | 'id' => $image_id, |
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334 | 'file' => pwg_db_real_escape_string(isset($original_filename) ? $original_filename : basename($file_path)), |
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335 | 'filesize' => $file_infos['filesize'], |
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336 | 'width' => $file_infos['width'], |
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337 | 'height' => $file_infos['height'], |
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338 | 'md5sum' => $md5sum, |
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339 | 'added_by' => $user['id'], |
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340 | ); |
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341 | |
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342 | if (isset($high_infos)) |
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343 | { |
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344 | $update['has_high'] = 'true'; |
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345 | $update['high_filesize'] = $high_infos['filesize']; |
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346 | } |
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347 | else |
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348 | { |
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349 | $update['has_high'] = 'false'; |
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350 | $update['high_filesize'] = null; |
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351 | } |
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352 | |
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353 | if (isset($level)) |
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354 | { |
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355 | $update['level'] = $level; |
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356 | } |
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357 | |
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358 | mass_updates( |
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359 | IMAGES_TABLE, |
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360 | array( |
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361 | 'primary' => array('id'), |
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362 | 'update' => array_keys($update) |
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363 | ), |
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364 | array($update) |
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365 | ); |
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366 | } |
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367 | else |
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368 | { |
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369 | // database registration |
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370 | $insert = array( |
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371 | 'file' => pwg_db_real_escape_string(isset($original_filename) ? $original_filename : basename($file_path)), |
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372 | 'date_available' => $dbnow, |
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373 | 'tn_ext' => 'jpg', |
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374 | 'path' => preg_replace('#^'.preg_quote(PHPWG_ROOT_PATH).'#', '', $file_path), |
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375 | 'filesize' => $file_infos['filesize'], |
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376 | 'width' => $file_infos['width'], |
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377 | 'height' => $file_infos['height'], |
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378 | 'md5sum' => $md5sum, |
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379 | 'added_by' => $user['id'], |
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380 | ); |
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381 | |
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382 | if (isset($high_infos)) |
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383 | { |
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384 | $insert['has_high'] = 'true'; |
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385 | $insert['high_filesize'] = $high_infos['filesize']; |
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386 | } |
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387 | |
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388 | if (isset($level)) |
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389 | { |
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390 | $insert['level'] = $level; |
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391 | } |
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392 | |
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393 | mass_inserts( |
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394 | IMAGES_TABLE, |
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395 | array_keys($insert), |
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396 | array($insert) |
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397 | ); |
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398 | |
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399 | $image_id = pwg_db_insert_id(IMAGES_TABLE); |
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400 | } |
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401 | |
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402 | if (isset($categories) and count($categories) > 0) |
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403 | { |
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404 | associate_images_to_categories( |
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405 | array($image_id), |
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406 | $categories |
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407 | ); |
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408 | } |
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409 | |
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410 | // update metadata from the uploaded file (exif/iptc) |
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411 | if ($conf['use_exif'] and !function_exists('read_exif_data')) |
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412 | { |
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413 | $conf['use_exif'] = false; |
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414 | } |
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415 | update_metadata(array($image_id=>$file_path)); |
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416 | |
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417 | invalidate_user_cache(); |
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418 | |
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419 | return $image_id; |
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420 | } |
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421 | |
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422 | function prepare_directory($directory) |
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423 | { |
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424 | if (!is_dir($directory)) { |
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425 | if (substr(PHP_OS, 0, 3) == 'WIN') |
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426 | { |
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427 | $directory = str_replace('/', DIRECTORY_SEPARATOR, $directory); |
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428 | } |
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429 | umask(0000); |
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430 | $recursive = true; |
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431 | if (!@mkdir($directory, 0777, $recursive)) |
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432 | { |
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433 | die('[prepare_directory] cannot create directory "'.$directory.'"'); |
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434 | } |
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435 | } |
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436 | |
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437 | if (!is_writable($directory)) |
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438 | { |
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439 | // last chance to make the directory writable |
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440 | @chmod($directory, 0777); |
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441 | |
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442 | if (!is_writable($directory)) |
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443 | { |
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444 | die('[prepare_directory] directory "'.$directory.'" has no write access'); |
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445 | } |
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446 | } |
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447 | |
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448 | secure_directory($directory); |
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449 | } |
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450 | |
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451 | function need_resize($image_filepath, $max_width, $max_height) |
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452 | { |
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453 | // TODO : the resize check should take the orientation into account. If a |
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454 | // rotation must be applied to the resized photo, then we should test |
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455 | // invert width and height. |
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456 | list($width, $height) = getimagesize($image_filepath); |
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457 | |
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458 | if ($width > $max_width or $height > $max_height) |
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459 | { |
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460 | return true; |
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461 | } |
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462 | |
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463 | return false; |
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464 | } |
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465 | |
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466 | function get_resize_dimensions($width, $height, $max_width, $max_height, $rotation=null) |
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467 | { |
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468 | $rotate_for_dimensions = false; |
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469 | if (isset($rotation) and in_array(abs($rotation), array(90, 270))) |
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470 | { |
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471 | $rotate_for_dimensions = true; |
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472 | } |
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473 | |
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474 | if ($rotate_for_dimensions) |
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475 | { |
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476 | list($width, $height) = array($height, $width); |
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477 | } |
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478 | |
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479 | $ratio_width = $width / $max_width; |
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480 | $ratio_height = $height / $max_height; |
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481 | |
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482 | // maximal size exceeded ? |
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483 | if ($ratio_width > 1 or $ratio_height > 1) |
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484 | { |
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485 | if ($ratio_width < $ratio_height) |
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486 | { |
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487 | $destination_width = ceil($width / $ratio_height); |
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488 | $destination_height = $max_height; |
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489 | } |
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490 | else |
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491 | { |
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492 | $destination_width = $max_width; |
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493 | $destination_height = ceil($height / $ratio_width); |
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494 | } |
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495 | } |
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496 | |
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497 | if ($rotate_for_dimensions) |
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498 | { |
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499 | list($destination_width, $destination_height) = array($destination_height, $destination_width); |
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500 | } |
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501 | |
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502 | return array( |
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503 | 'width' => $destination_width, |
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504 | 'height'=> $destination_height, |
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505 | ); |
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506 | } |
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507 | |
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508 | function pwg_image_resize($result, $source_filepath, $destination_filepath, $max_width, $max_height, $quality, $strip_metadata=false) |
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509 | { |
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510 | if ($result !== false) |
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511 | { |
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512 | //someone hooked us - so we skip |
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513 | return $result; |
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514 | } |
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515 | |
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516 | if (is_imagick()) |
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517 | { |
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518 | return pwg_image_resize_im($source_filepath, $destination_filepath, $max_width, $max_height, $quality, $strip_metadata); |
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519 | } |
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520 | else |
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521 | { |
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522 | return pwg_image_resize_gd($source_filepath, $destination_filepath, $max_width, $max_height, $quality); |
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523 | } |
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524 | } |
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525 | |
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526 | function pwg_image_resize_gd($source_filepath, $destination_filepath, $max_width, $max_height, $quality) |
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527 | { |
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528 | if (!function_exists('gd_info')) |
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529 | { |
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530 | return false; |
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531 | } |
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532 | |
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533 | // extension of the picture filename |
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534 | $extension = strtolower(get_extension($source_filepath)); |
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535 | |
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536 | $source_image = null; |
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537 | if (in_array($extension, array('jpg', 'jpeg'))) |
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538 | { |
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539 | $source_image = imagecreatefromjpeg($source_filepath); |
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540 | } |
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541 | else if ($extension == 'png') |
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542 | { |
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543 | $source_image = imagecreatefrompng($source_filepath); |
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544 | } |
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545 | else |
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546 | { |
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547 | die('unsupported file extension'); |
---|
548 | } |
---|
549 | |
---|
550 | $rotation = null; |
---|
551 | if (function_exists('imagerotate')) |
---|
552 | { |
---|
553 | $rotation = get_rotation_angle($source_filepath); |
---|
554 | } |
---|
555 | |
---|
556 | // width/height |
---|
557 | $source_width = imagesx($source_image); |
---|
558 | $source_height = imagesy($source_image); |
---|
559 | |
---|
560 | $resize_dimensions = get_resize_dimensions($source_width, $source_height, $max_width, $max_height, $rotation); |
---|
561 | |
---|
562 | // testing on height is useless in theory: if width is unchanged, there |
---|
563 | // should be no resize, because width/height ratio is not modified. |
---|
564 | if ($resize_dimensions['width'] == $source_width and $resize_dimensions['height'] == $source_height) |
---|
565 | { |
---|
566 | // the image doesn't need any resize! We just copy it to the destination |
---|
567 | copy($source_filepath, $destination_filepath); |
---|
568 | return true; |
---|
569 | } |
---|
570 | |
---|
571 | $destination_image = imagecreatetruecolor($resize_dimensions['width'], $resize_dimensions['height']); |
---|
572 | |
---|
573 | imagecopyresampled( |
---|
574 | $destination_image, |
---|
575 | $source_image, |
---|
576 | 0, |
---|
577 | 0, |
---|
578 | 0, |
---|
579 | 0, |
---|
580 | $resize_dimensions['width'], |
---|
581 | $resize_dimensions['height'], |
---|
582 | $source_width, |
---|
583 | $source_height |
---|
584 | ); |
---|
585 | |
---|
586 | // rotation occurs only on resized photo to avoid useless memory use |
---|
587 | if (isset($rotation)) |
---|
588 | { |
---|
589 | $destination_image = imagerotate($destination_image, $rotation, 0); |
---|
590 | } |
---|
591 | |
---|
592 | $extension = strtolower(get_extension($destination_filepath)); |
---|
593 | if ($extension == 'png') |
---|
594 | { |
---|
595 | imagepng($destination_image, $destination_filepath); |
---|
596 | } |
---|
597 | else |
---|
598 | { |
---|
599 | imagejpeg($destination_image, $destination_filepath, $quality); |
---|
600 | } |
---|
601 | // freeing memory ressources |
---|
602 | imagedestroy($source_image); |
---|
603 | imagedestroy($destination_image); |
---|
604 | |
---|
605 | // everything should be OK if we are here! |
---|
606 | return true; |
---|
607 | } |
---|
608 | |
---|
609 | function pwg_image_resize_im($source_filepath, $destination_filepath, $max_width, $max_height, $quality, $strip_metadata=false) |
---|
610 | { |
---|
611 | // extension of the picture filename |
---|
612 | $extension = strtolower(get_extension($source_filepath)); |
---|
613 | if (!in_array($extension, array('jpg', 'jpeg', 'png'))) |
---|
614 | { |
---|
615 | die('[Imagick] unsupported file extension'); |
---|
616 | } |
---|
617 | |
---|
618 | $image = new Imagick($source_filepath); |
---|
619 | |
---|
620 | $rotation = get_rotation_angle($source_filepath); |
---|
621 | |
---|
622 | // width/height |
---|
623 | $source_width = $image->getImageWidth(); |
---|
624 | $source_height = $image->getImageHeight(); |
---|
625 | |
---|
626 | $resize_dimensions = get_resize_dimensions($source_width, $source_height, $max_width, $max_height, $rotation); |
---|
627 | |
---|
628 | // testing on height is useless in theory: if width is unchanged, there |
---|
629 | // should be no resize, because width/height ratio is not modified. |
---|
630 | if ($resize_dimensions['width'] == $source_width and $resize_dimensions['height'] == $source_height) |
---|
631 | { |
---|
632 | // the image doesn't need any resize! We just copy it to the destination |
---|
633 | copy($source_filepath, $destination_filepath); |
---|
634 | return true; |
---|
635 | } |
---|
636 | |
---|
637 | $image->setImageCompressionQuality($quality); |
---|
638 | $image->setInterlaceScheme(Imagick::INTERLACE_LINE); |
---|
639 | |
---|
640 | if ($strip_metadata) |
---|
641 | { |
---|
642 | // we save a few kilobytes. For example a thumbnail with metadata |
---|
643 | // weights 25KB, without metadata 7KB. |
---|
644 | $image->stripImage(); |
---|
645 | } |
---|
646 | |
---|
647 | $image->resizeImage($resize_dimensions['width'], $resize_dimensions['height'], Imagick::FILTER_LANCZOS, 0.9); |
---|
648 | |
---|
649 | if (isset($rotation)) |
---|
650 | { |
---|
651 | $image->rotateImage(new ImagickPixel(), -$rotation); |
---|
652 | $image->setImageOrientation(Imagick::ORIENTATION_TOPLEFT); |
---|
653 | } |
---|
654 | |
---|
655 | $image->writeImage($destination_filepath); |
---|
656 | $image->destroy(); |
---|
657 | |
---|
658 | // everything should be OK if we are here! |
---|
659 | return true; |
---|
660 | } |
---|
661 | |
---|
662 | function get_rotation_angle($source_filepath) |
---|
663 | { |
---|
664 | global $conf; |
---|
665 | |
---|
666 | if (!$conf['upload_form_automatic_rotation']) |
---|
667 | { |
---|
668 | return null; |
---|
669 | } |
---|
670 | |
---|
671 | if (!function_exists('exif_read_data')) |
---|
672 | { |
---|
673 | return null; |
---|
674 | } |
---|
675 | |
---|
676 | $rotation = null; |
---|
677 | |
---|
678 | $exif = exif_read_data($source_filepath); |
---|
679 | |
---|
680 | if (isset($exif['Orientation']) and preg_match('/^\s*(\d)/', $exif['Orientation'], $matches)) |
---|
681 | { |
---|
682 | $orientation = $matches[1]; |
---|
683 | if (in_array($orientation, array(3, 4))) |
---|
684 | { |
---|
685 | $rotation = 180; |
---|
686 | } |
---|
687 | elseif (in_array($orientation, array(5, 6))) |
---|
688 | { |
---|
689 | $rotation = 270; |
---|
690 | } |
---|
691 | elseif (in_array($orientation, array(7, 8))) |
---|
692 | { |
---|
693 | $rotation = 90; |
---|
694 | } |
---|
695 | } |
---|
696 | |
---|
697 | return $rotation; |
---|
698 | } |
---|
699 | |
---|
700 | function pwg_image_infos($path) |
---|
701 | { |
---|
702 | list($width, $height) = getimagesize($path); |
---|
703 | $filesize = floor(filesize($path)/1024); |
---|
704 | |
---|
705 | return array( |
---|
706 | 'width' => $width, |
---|
707 | 'height' => $height, |
---|
708 | 'filesize' => $filesize, |
---|
709 | ); |
---|
710 | } |
---|
711 | |
---|
712 | function is_valid_image_extension($extension) |
---|
713 | { |
---|
714 | return in_array(strtolower($extension), array('jpg', 'jpeg', 'png')); |
---|
715 | } |
---|
716 | |
---|
717 | function file_upload_error_message($error_code) |
---|
718 | { |
---|
719 | switch ($error_code) { |
---|
720 | case UPLOAD_ERR_INI_SIZE: |
---|
721 | return sprintf( |
---|
722 | l10n('The uploaded file exceeds the upload_max_filesize directive in php.ini: %sB'), |
---|
723 | get_ini_size('upload_max_filesize', false) |
---|
724 | ); |
---|
725 | case UPLOAD_ERR_FORM_SIZE: |
---|
726 | return l10n('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form'); |
---|
727 | case UPLOAD_ERR_PARTIAL: |
---|
728 | return l10n('The uploaded file was only partially uploaded'); |
---|
729 | case UPLOAD_ERR_NO_FILE: |
---|
730 | return l10n('No file was uploaded'); |
---|
731 | case UPLOAD_ERR_NO_TMP_DIR: |
---|
732 | return l10n('Missing a temporary folder'); |
---|
733 | case UPLOAD_ERR_CANT_WRITE: |
---|
734 | return l10n('Failed to write file to disk'); |
---|
735 | case UPLOAD_ERR_EXTENSION: |
---|
736 | return l10n('File upload stopped by extension'); |
---|
737 | default: |
---|
738 | return l10n('Unknown upload error'); |
---|
739 | } |
---|
740 | } |
---|
741 | |
---|
742 | function get_ini_size($ini_key, $in_bytes=true) |
---|
743 | { |
---|
744 | $size = ini_get($ini_key); |
---|
745 | |
---|
746 | if ($in_bytes) |
---|
747 | { |
---|
748 | $size = convert_shortand_notation_to_bytes($size); |
---|
749 | } |
---|
750 | |
---|
751 | return $size; |
---|
752 | } |
---|
753 | |
---|
754 | function convert_shortand_notation_to_bytes($value) |
---|
755 | { |
---|
756 | $suffix = substr($value, -1); |
---|
757 | $multiply_by = null; |
---|
758 | |
---|
759 | if ('K' == $suffix) |
---|
760 | { |
---|
761 | $multiply_by = 1024; |
---|
762 | } |
---|
763 | else if ('M' == $suffix) |
---|
764 | { |
---|
765 | $multiply_by = 1024*1024; |
---|
766 | } |
---|
767 | else if ('G' == $suffix) |
---|
768 | { |
---|
769 | $multiply_by = 1024*1024*1024; |
---|
770 | } |
---|
771 | |
---|
772 | if (isset($multiply_by)) |
---|
773 | { |
---|
774 | $value = substr($value, 0, -1); |
---|
775 | $value*= $multiply_by; |
---|
776 | } |
---|
777 | |
---|
778 | return $value; |
---|
779 | } |
---|
780 | |
---|
781 | function add_upload_error($upload_id, $error_message) |
---|
782 | { |
---|
783 | if (!isset($_SESSION['uploads_error'])) |
---|
784 | { |
---|
785 | $_SESSION['uploads_error'] = array(); |
---|
786 | } |
---|
787 | if (!isset($_SESSION['uploads_error'][$upload_id])) |
---|
788 | { |
---|
789 | $_SESSION['uploads_error'][$upload_id] = array(); |
---|
790 | } |
---|
791 | |
---|
792 | array_push($_SESSION['uploads_error'][$upload_id], $error_message); |
---|
793 | } |
---|
794 | |
---|
795 | function is_imagick() |
---|
796 | { |
---|
797 | if (extension_loaded('imagick')) |
---|
798 | { |
---|
799 | return true; |
---|
800 | } |
---|
801 | |
---|
802 | return false; |
---|
803 | } |
---|
804 | |
---|
805 | function ready_for_upload_message() |
---|
806 | { |
---|
807 | global $conf; |
---|
808 | |
---|
809 | $relative_dir = preg_replace('#^'.PHPWG_ROOT_PATH.'#', '', $conf['upload_dir']); |
---|
810 | |
---|
811 | if (!is_dir($conf['upload_dir'])) |
---|
812 | { |
---|
813 | if (!is_writable(dirname($conf['upload_dir']))) |
---|
814 | { |
---|
815 | return sprintf( |
---|
816 | l10n('Create the "%s" directory at the root of your Piwigo installation'), |
---|
817 | $relative_dir |
---|
818 | ); |
---|
819 | } |
---|
820 | } |
---|
821 | else |
---|
822 | { |
---|
823 | if (!is_writable($conf['upload_dir'])) |
---|
824 | { |
---|
825 | @chmod($conf['upload_dir'], 0777); |
---|
826 | |
---|
827 | if (!is_writable($conf['upload_dir'])) |
---|
828 | { |
---|
829 | return sprintf( |
---|
830 | l10n('Give write access (chmod 777) to "%s" directory at the root of your Piwigo installation'), |
---|
831 | $relative_dir |
---|
832 | ); |
---|
833 | } |
---|
834 | } |
---|
835 | } |
---|
836 | |
---|
837 | return null; |
---|
838 | } |
---|
839 | |
---|
840 | function file_path_for_type($file_path, $type='thumb') |
---|
841 | { |
---|
842 | // resolve the $file_path depending on the $type |
---|
843 | if ('thumb' == $type) { |
---|
844 | $file_path = get_thumbnail_location( |
---|
845 | array( |
---|
846 | 'path' => $file_path, |
---|
847 | 'tn_ext' => 'jpg', |
---|
848 | ) |
---|
849 | ); |
---|
850 | } |
---|
851 | |
---|
852 | if ('high' == $type) { |
---|
853 | @include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php'); |
---|
854 | $file_path = get_high_location( |
---|
855 | array( |
---|
856 | 'path' => $file_path, |
---|
857 | 'has_high' => 'true' |
---|
858 | ) |
---|
859 | ); |
---|
860 | } |
---|
861 | |
---|
862 | return $file_path; |
---|
863 | } |
---|
864 | ?> |
---|