1 | <?php |
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2 | // +-----------------------------------------------------------------------+ |
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3 | // | Piwigo - a PHP based picture gallery | |
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4 | // +-----------------------------------------------------------------------+ |
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5 | // | Copyright(C) 2008-2010 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 | /** |
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25 | * returns the list of categories as a HTML string |
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26 | * |
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27 | * categories string returned contains categories as given in the input |
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28 | * array $cat_informations. $cat_informations array must be an array |
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29 | * of array( id=>?, name=>?, permalink=>?). If url input parameter is null, |
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30 | * returns only the categories name without links. |
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31 | * |
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32 | * @param array cat_informations |
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33 | * @param string url |
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34 | * @param boolean replace_space |
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35 | * @return string |
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36 | */ |
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37 | function get_cat_display_name($cat_informations, |
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38 | $url = '', |
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39 | $replace_space = true) |
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40 | { |
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41 | global $conf; |
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42 | |
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43 | $output = '<a href="'.get_absolute_root_url().$conf['home_page'].'">'.l10n('Home').'</a>'; |
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44 | |
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45 | foreach ($cat_informations as $cat) |
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46 | { |
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47 | is_array($cat) or trigger_error( |
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48 | 'get_cat_display_name wrong type for category ', E_USER_WARNING |
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49 | ); |
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50 | |
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51 | $cat['name'] = trigger_event( |
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52 | 'render_category_name', |
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53 | $cat['name'], |
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54 | 'get_cat_display_name' |
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55 | ); |
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56 | |
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57 | $output.= $conf['level_separator']; |
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58 | |
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59 | if ( !isset($url) ) |
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60 | { |
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61 | $output.= $cat['name']; |
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62 | } |
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63 | elseif ($url == '') |
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64 | { |
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65 | $output.= '<a href="' |
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66 | .make_index_url( |
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67 | array( |
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68 | 'category' => $cat, |
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69 | ) |
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70 | ) |
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71 | .'">'; |
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72 | $output.= $cat['name'].'</a>'; |
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73 | } |
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74 | else |
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75 | { |
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76 | $output.= '<a href="'.PHPWG_ROOT_PATH.$url.$cat['id'].'">'; |
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77 | $output.= $cat['name'].'</a>'; |
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78 | } |
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79 | } |
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80 | if ($replace_space) |
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81 | { |
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82 | return replace_space($output); |
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83 | } |
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84 | else |
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85 | { |
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86 | return $output; |
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87 | } |
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88 | } |
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89 | |
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90 | /** |
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91 | * returns the list of categories as a HTML string, with cache of names |
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92 | * |
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93 | * categories string returned contains categories as given in the input |
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94 | * array $cat_informations. $uppercats is the list of category ids to |
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95 | * display in the right order. If url input parameter is empty, returns only |
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96 | * the categories name without links. |
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97 | * |
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98 | * @param string uppercats |
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99 | * @param string url |
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100 | * @param boolean replace_space |
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101 | * @return string |
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102 | */ |
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103 | function get_cat_display_name_cache($uppercats, |
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104 | $url = '', |
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105 | $replace_space = true) |
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106 | { |
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107 | global $cache, $conf; |
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108 | |
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109 | if (!isset($cache['cat_names'])) |
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110 | { |
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111 | $query = ' |
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112 | SELECT id, name, permalink |
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113 | FROM '.CATEGORIES_TABLE.' |
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114 | ;'; |
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115 | $cache['cat_names'] = hash_from_query($query, 'id'); |
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116 | } |
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117 | |
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118 | $output = ''; |
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119 | $is_first = true; |
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120 | foreach (explode(',', $uppercats) as $category_id) |
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121 | { |
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122 | $cat = $cache['cat_names'][$category_id]; |
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123 | |
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124 | $cat['name'] = trigger_event( |
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125 | 'render_category_name', |
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126 | $cat['name'], |
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127 | 'get_cat_display_name_cache' |
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128 | ); |
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129 | |
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130 | if ($is_first) |
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131 | { |
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132 | $is_first = false; |
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133 | } |
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134 | else |
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135 | { |
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136 | $output.= $conf['level_separator']; |
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137 | } |
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138 | |
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139 | if ( !isset($url) ) |
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140 | { |
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141 | $output.= $cat['name']; |
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142 | } |
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143 | elseif ($url == '') |
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144 | { |
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145 | $output.= ' |
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146 | <a href="' |
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147 | .make_index_url( |
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148 | array( |
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149 | 'category' => $cat, |
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150 | ) |
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151 | ) |
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152 | .'">'.$cat['name'].'</a>'; |
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153 | } |
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154 | else |
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155 | { |
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156 | $output.= ' |
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157 | <a href="'.PHPWG_ROOT_PATH.$url.$category_id.'">'.$cat['name'].'</a>'; |
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158 | } |
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159 | } |
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160 | if ($replace_space) |
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161 | { |
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162 | return replace_space($output); |
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163 | } |
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164 | else |
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165 | { |
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166 | return $output; |
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167 | } |
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168 | } |
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169 | |
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170 | /** |
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171 | * returns HTMLized comment contents retrieved from database |
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172 | * |
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173 | * newlines becomes br tags, _word_ becomes underline, /word/ becomes |
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174 | * italic, *word* becomes bolded |
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175 | * |
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176 | * @param string content |
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177 | * @return string |
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178 | */ |
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179 | function parse_comment_content($content) |
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180 | { |
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181 | $pattern = '/(https?:\/\/\S*)/'; |
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182 | $replacement = '<a href="$1" rel="nofollow">$1</a>'; |
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183 | $content = preg_replace($pattern, $replacement, $content); |
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184 | |
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185 | $content = nl2br($content); |
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186 | |
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187 | // replace _word_ by an underlined word |
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188 | $pattern = '/\b_(\S*)_\b/'; |
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189 | $replacement = '<span style="text-decoration:underline;">$1</span>'; |
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190 | $content = preg_replace($pattern, $replacement, $content); |
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191 | |
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192 | // replace *word* by a bolded word |
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193 | $pattern = '/\b\*(\S*)\*\b/'; |
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194 | $replacement = '<span style="font-weight:bold;">$1</span>'; |
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195 | $content = preg_replace($pattern, $replacement, $content); |
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196 | |
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197 | // replace /word/ by an italic word |
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198 | $pattern = "/\/(\S*)\/(\s)/"; |
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199 | $replacement = '<span style="font-style:italic;">$1$2</span>'; |
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200 | $content = preg_replace($pattern, $replacement, $content); |
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201 | |
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202 | return $content; |
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203 | } |
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204 | |
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205 | function get_cat_display_name_from_id($cat_id, |
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206 | $url = '', |
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207 | $replace_space = true) |
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208 | { |
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209 | $cat_info = get_cat_info($cat_id); |
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210 | return get_cat_display_name($cat_info['upper_names'], $url, $replace_space); |
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211 | } |
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212 | |
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213 | /** |
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214 | * Returns an HTML list of tags. It can be a multi select field or a list of |
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215 | * checkboxes. |
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216 | * |
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217 | * @param string HTML field name |
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218 | * @param array selected tag ids |
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219 | * @return array |
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220 | */ |
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221 | function get_html_tag_selection( |
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222 | $tags, |
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223 | $fieldname, |
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224 | $selecteds = array(), |
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225 | $forbidden_categories = null |
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226 | ) |
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227 | { |
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228 | global $conf; |
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229 | |
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230 | if (count ($tags) == 0 ) |
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231 | { |
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232 | return ''; |
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233 | } |
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234 | $output = '<ul class="tagSelection">'; |
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235 | foreach ($tags as $tag) |
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236 | { |
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237 | $output.= |
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238 | '<li>' |
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239 | .'<label>' |
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240 | .'<input type="checkbox" name="'.$fieldname.'[]"' |
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241 | .' value="'.$tag['id'].'"' |
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242 | ; |
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243 | |
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244 | if (in_array($tag['id'], $selecteds)) |
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245 | { |
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246 | $output.= ' checked="checked"'; |
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247 | } |
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248 | |
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249 | $output.= |
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250 | '>' |
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251 | .' '. $tag['name'] |
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252 | .'</label>' |
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253 | .'</li>' |
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254 | ."\n" |
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255 | ; |
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256 | } |
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257 | $output.= '</ul>'; |
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258 | |
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259 | return $output; |
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260 | } |
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261 | |
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262 | function name_compare($a, $b) |
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263 | { |
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264 | return strcmp(strtolower($a['name']), strtolower($b['name'])); |
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265 | } |
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266 | |
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267 | function tag_alpha_compare($a, $b) |
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268 | { |
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269 | return strcmp(strtolower($a['url_name']), strtolower($b['url_name'])); |
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270 | } |
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271 | |
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272 | /** |
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273 | * exits the current script (either exit or redirect) |
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274 | */ |
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275 | function access_denied() |
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276 | { |
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277 | global $user; |
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278 | |
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279 | $login_url = |
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280 | get_root_url().'identification.php?redirect=' |
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281 | .urlencode(urlencode($_SERVER['REQUEST_URI'])); |
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282 | |
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283 | set_status_header(401); |
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284 | if ( isset($user) and !is_a_guest() ) |
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285 | { |
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286 | echo '<meta http-equiv="Content-Type" content="text/html; charset=utf-8">'; |
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287 | echo '<div style="text-align:center;">'.l10n('You are not authorized to access the requested page').'<br>'; |
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288 | echo '<a href="'.get_root_url().'Identification.php">'.l10n('Identification').'</a> '; |
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289 | echo '<a href="'.make_index_url().'">'.l10n('Home').'</a></div>'; |
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290 | echo str_repeat( ' ', 512); //IE6 doesn't error output if below a size |
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291 | exit(); |
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292 | } |
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293 | else |
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294 | { |
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295 | redirect_html($login_url); |
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296 | } |
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297 | } |
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298 | |
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299 | /** |
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300 | * exits the current script with 403 code |
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301 | * @param string msg a message to display |
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302 | * @param string alternate_url redirect to this url |
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303 | */ |
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304 | function page_forbidden($msg, $alternate_url=null) |
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305 | { |
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306 | set_status_header(403); |
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307 | if ($alternate_url==null) |
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308 | $alternate_url = make_index_url(); |
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309 | redirect_html( $alternate_url, |
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310 | '<div style="text-align:left; margin-left:5em;margin-bottom:5em;"> |
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311 | <h1 style="text-align:left; font-size:36px;">Forbidden</h1><br>' |
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312 | .$msg.'</div>', |
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313 | 5 ); |
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314 | } |
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315 | |
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316 | /** |
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317 | * exits the current script with 400 code |
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318 | * @param string msg a message to display |
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319 | * @param string alternate_url redirect to this url |
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320 | */ |
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321 | function bad_request($msg, $alternate_url=null) |
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322 | { |
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323 | set_status_header(400); |
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324 | if ($alternate_url==null) |
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325 | $alternate_url = make_index_url(); |
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326 | redirect_html( $alternate_url, |
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327 | '<div style="text-align:left; margin-left:5em;margin-bottom:5em;"> |
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328 | <h1 style="text-align:left; font-size:36px;">Bad request</h1><br>' |
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329 | .$msg.'</div>', |
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330 | 5 ); |
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331 | } |
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332 | |
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333 | /** |
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334 | * exits the current script with 404 code when a page cannot be found |
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335 | * @param string msg a message to display |
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336 | * @param string alternate_url redirect to this url |
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337 | */ |
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338 | function page_not_found($msg, $alternate_url=null) |
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339 | { |
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340 | set_status_header(404); |
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341 | if ($alternate_url==null) |
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342 | $alternate_url = make_index_url(); |
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343 | redirect_html( $alternate_url, |
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344 | '<div style="text-align:left; margin-left:5em;margin-bottom:5em;"> |
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345 | <h1 style="text-align:left; font-size:36px;">Page not found</h1><br>' |
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346 | .$msg.'</div>', |
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347 | 5 ); |
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348 | } |
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349 | |
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350 | /** |
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351 | * exits the current script with 500 http code |
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352 | * this method can be called at any time (does not use template/language/user etc...) |
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353 | * @param string msg a message to display |
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354 | */ |
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355 | function fatal_error($msg) |
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356 | { |
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357 | $btrace_msg = ''; |
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358 | if (function_exists('debug_backtrace')) |
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359 | { |
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360 | $bt = debug_backtrace(); |
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361 | for ($i=1; $i<count($bt); $i++) |
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362 | { |
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363 | $class = isset($bt[$i]['class']) ? (@$bt[$i]['class'].'::') : ''; |
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364 | $btrace_msg .= "#$i\t".$class.@$bt[$i]['function'].' '.@$bt[$i]['file']."(".@$bt[$i]['line'].")\n"; |
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365 | } |
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366 | $btrace_msg = trim($btrace_msg); |
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367 | $msg .= "\n"; |
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368 | } |
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369 | |
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370 | $display = "<meta http-equiv='Content-Type' content='text/html; charset=utf-8'> |
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371 | <h1>Piwigo encountered a non recoverable error</h1> |
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372 | <pre style='font-size:larger;background:white;color:red;padding:1em;margin:0;clear:both;display:block;width:auto;height:auto;overflow:auto'> |
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373 | <b>$msg</b> |
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374 | $btrace_msg |
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375 | </pre>\n"; |
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376 | |
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377 | @set_status_header(500); |
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378 | echo $display.str_repeat( ' ', 300); //IE6 doesn't error output if below a size |
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379 | |
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380 | if ( function_exists('ini_set') ) |
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381 | {// if possible turn off error display (we display it) |
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382 | ini_set('display_errors', false); |
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383 | } |
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384 | error_reporting( E_ALL ); |
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385 | trigger_error( strip_tags($msg).$btrace_msg, E_USER_ERROR ); |
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386 | die(0); // just in case |
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387 | } |
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388 | |
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389 | /* returns the title to be displayed above thumbnails on tag page |
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390 | */ |
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391 | function get_tags_content_title() |
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392 | { |
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393 | global $page; |
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394 | $title = count($page['tags']) > 1 ? l10n('Tag') : l10n('Tag'); |
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395 | $title.= ' '; |
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396 | |
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397 | for ($i=0; $i<count($page['tags']); $i++) |
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398 | { |
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399 | $title.= $i>0 ? ' + ' : ''; |
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400 | |
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401 | $title.= |
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402 | '<a href="' |
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403 | .make_index_url( |
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404 | array( |
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405 | 'tags' => array( $page['tags'][$i] ) |
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406 | ) |
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407 | ) |
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408 | .'" title="' |
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409 | .l10n('See images linked to this tag only') |
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410 | .'">' |
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411 | .$page['tags'][$i]['name'] |
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412 | .'</a>'; |
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413 | |
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414 | if ( count($page['tags'])>2 ) |
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415 | { |
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416 | $other_tags = $page['tags']; |
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417 | unset ( $other_tags[$i] ); |
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418 | $title.= |
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419 | '<a href="' |
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420 | .make_index_url( |
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421 | array( |
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422 | 'tags' => $other_tags |
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423 | ) |
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424 | ) |
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425 | .'" style="border:none;" title="' |
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426 | .l10n('remove this tag from the list') |
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427 | .'"><img src="' |
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428 | .get_root_url().get_themeconf('icon_dir').'/remove_s.png' |
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429 | .'" alt="x" style="vertical-align:bottom;" class="button">' |
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430 | .'</a>'; |
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431 | } |
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432 | |
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433 | } |
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434 | return $title; |
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435 | } |
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436 | |
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437 | /** |
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438 | Sets the http status header (200,401,...) |
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439 | */ |
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440 | function set_status_header($code, $text='') |
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441 | { |
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442 | if (empty($text)) |
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443 | { |
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444 | switch ($code) |
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445 | { |
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446 | case 200: $text='OK';break; |
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447 | case 301: $text='Moved permanently';break; |
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448 | case 302: $text='Moved temporarily';break; |
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449 | case 304: $text='Not modified';break; |
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450 | case 400: $text='Bad request';break; |
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451 | case 401: $text='Authorization required';break; |
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452 | case 403: $text='Forbidden';break; |
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453 | case 404: $text='Not found';break; |
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454 | case 500: $text='Server error';break; |
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455 | case 501: $text='Not implemented';break; |
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456 | case 503: $text='Service unavailable';break; |
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457 | } |
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458 | } |
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459 | $protocol = $_SERVER["SERVER_PROTOCOL"]; |
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460 | if ( ('HTTP/1.1' != $protocol) && ('HTTP/1.0' != $protocol) ) |
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461 | $protocol = 'HTTP/1.0'; |
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462 | |
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463 | if ( version_compare( phpversion(), '4.3.0', '>=' ) ) |
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464 | { |
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465 | header( "$protocol $code $text", true, $code ); |
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466 | } |
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467 | else |
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468 | { |
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469 | header( "$protocol $code $text" ); |
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470 | } |
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471 | trigger_action('set_status_header', $code, $text); |
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472 | } |
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473 | |
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474 | /** returns the category comment for rendering in html textual mode (subcatify) |
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475 | * this is an event handler. don't call directly |
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476 | */ |
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477 | function render_category_literal_description($desc) |
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478 | { |
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479 | return strip_tags($desc, '<span><p><a><br><b><i><small><big><strong><em>'); |
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480 | } |
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481 | |
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482 | /** returns the argument_ids array with new sequenced keys based on related |
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483 | * names. Sequence is not case sensitive. |
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484 | * Warning: By definition, this function breaks original keys |
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485 | */ |
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486 | function order_by_name($element_ids,$name) |
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487 | { |
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488 | $ordered_element_ids = array(); |
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489 | foreach ($element_ids as $k_id => $element_id) |
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490 | { |
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491 | $key = strtolower($name[$element_id]) .'-'. $name[$element_id] .'-'. $k_id; |
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492 | $ordered_element_ids[$key] = $element_id; |
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493 | } |
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494 | ksort($ordered_element_ids); |
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495 | return $ordered_element_ids; |
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496 | } |
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497 | |
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498 | /*event handler for menu*/ |
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499 | function register_default_menubar_blocks( $menu_ref_arr ) |
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500 | { |
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501 | $menu = & $menu_ref_arr[0]; |
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502 | if ($menu->get_id() != 'menubar') |
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503 | return; |
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504 | $menu->register_block( new RegisteredBlock( 'mbLinks', 'Links', 'piwigo')); |
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505 | $menu->register_block( new RegisteredBlock( 'mbCategories', 'Categories', 'piwigo')); |
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506 | $menu->register_block( new RegisteredBlock( 'mbTags', 'Related tags', 'piwigo')); |
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507 | $menu->register_block( new RegisteredBlock( 'mbSpecials', 'Specials', 'piwigo')); |
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508 | $menu->register_block( new RegisteredBlock( 'mbMenu', 'Menu', 'piwigo')); |
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509 | $menu->register_block( new RegisteredBlock( 'mbIdentification', 'Identification', 'piwigo') ); |
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510 | } |
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511 | |
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512 | ?> |
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