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1 | <?php |
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2 | /** |
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3 | * API for MediaWiki 1.12+ |
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4 | * |
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5 | * Created on May 10, 2010 |
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6 | * |
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7 | * Copyright © 2010 Sam Reed |
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8 | * Copyright © 2008 Vasiliev Victor [email protected], |
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9 | * based on ApiQueryAllPages.php |
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10 | * |
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11 | * This program is free software; you can redistribute it and/or modify |
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12 | * it under the terms of the GNU General Public License as published by |
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13 | * the Free Software Foundation; either version 2 of the License, or |
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14 | * (at your option) any later version. |
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15 | * |
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16 | * This program is distributed in the hope that it will be useful, |
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17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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19 | * GNU General Public License for more details. |
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20 | * |
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21 | * You should have received a copy of the GNU General Public License along |
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22 | * with this program; if not, write to the Free Software Foundation, Inc., |
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23 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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24 | * http://www.gnu.org/copyleft/gpl.html |
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25 | * |
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26 | * @file |
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27 | */ |
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28 | |||
29 | /** |
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30 | * Query module to enumerate all deleted files. |
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31 | * |
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32 | * @ingroup API |
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33 | */ |
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34 | class ApiQueryFilearchive extends ApiQueryBase { |
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35 | |||
36 | public function __construct( ApiQuery $query, $moduleName ) { |
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37 | parent::__construct( $query, $moduleName, 'fa' ); |
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38 | } |
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39 | |||
40 | public function execute() { |
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41 | $user = $this->getUser(); |
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42 | // Before doing anything at all, let's check permissions |
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43 | if ( !$user->isAllowed( 'deletedhistory' ) ) { |
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44 | $this->dieUsage( |
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45 | 'You don\'t have permission to view deleted file information', |
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46 | 'permissiondenied' |
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47 | ); |
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48 | } |
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49 | |||
50 | $db = $this->getDB(); |
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51 | |||
52 | $params = $this->extractRequestParams(); |
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53 | |||
54 | $prop = array_flip( $params['prop'] ); |
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55 | $fld_sha1 = isset( $prop['sha1'] ); |
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56 | $fld_timestamp = isset( $prop['timestamp'] ); |
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57 | $fld_user = isset( $prop['user'] ); |
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58 | $fld_size = isset( $prop['size'] ); |
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59 | $fld_dimensions = isset( $prop['dimensions'] ); |
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60 | $fld_description = isset( $prop['description'] ) || isset( $prop['parseddescription'] ); |
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61 | $fld_mime = isset( $prop['mime'] ); |
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62 | $fld_mediatype = isset( $prop['mediatype'] ); |
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63 | $fld_metadata = isset( $prop['metadata'] ); |
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64 | $fld_bitdepth = isset( $prop['bitdepth'] ); |
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65 | $fld_archivename = isset( $prop['archivename'] ); |
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66 | |||
67 | $this->addTables( 'filearchive' ); |
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68 | |||
69 | $this->addFields( ArchivedFile::selectFields() ); |
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70 | $this->addFields( [ 'fa_id', 'fa_name', 'fa_timestamp', 'fa_deleted' ] ); |
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71 | $this->addFieldsIf( 'fa_sha1', $fld_sha1 ); |
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72 | $this->addFieldsIf( [ 'fa_user', 'fa_user_text' ], $fld_user ); |
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73 | $this->addFieldsIf( [ 'fa_height', 'fa_width', 'fa_size' ], $fld_dimensions || $fld_size ); |
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74 | $this->addFieldsIf( 'fa_description', $fld_description ); |
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75 | $this->addFieldsIf( [ 'fa_major_mime', 'fa_minor_mime' ], $fld_mime ); |
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76 | $this->addFieldsIf( 'fa_media_type', $fld_mediatype ); |
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77 | $this->addFieldsIf( 'fa_metadata', $fld_metadata ); |
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78 | $this->addFieldsIf( 'fa_bits', $fld_bitdepth ); |
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79 | $this->addFieldsIf( 'fa_archive_name', $fld_archivename ); |
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80 | |||
81 | View Code Duplication | if ( !is_null( $params['continue'] ) ) { |
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82 | $cont = explode( '|', $params['continue'] ); |
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83 | $this->dieContinueUsageIf( count( $cont ) != 3 ); |
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84 | $op = $params['dir'] == 'descending' ? '<' : '>'; |
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85 | $cont_from = $db->addQuotes( $cont[0] ); |
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86 | $cont_timestamp = $db->addQuotes( $db->timestamp( $cont[1] ) ); |
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87 | $cont_id = (int)$cont[2]; |
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88 | $this->dieContinueUsageIf( $cont[2] !== (string)$cont_id ); |
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89 | $this->addWhere( "fa_name $op $cont_from OR " . |
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90 | "(fa_name = $cont_from AND " . |
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91 | "(fa_timestamp $op $cont_timestamp OR " . |
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92 | "(fa_timestamp = $cont_timestamp AND " . |
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93 | "fa_id $op= $cont_id )))" |
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94 | ); |
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95 | } |
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96 | |||
97 | // Image filters |
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98 | $dir = ( $params['dir'] == 'descending' ? 'older' : 'newer' ); |
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99 | $from = ( $params['from'] === null ? null : $this->titlePartToKey( $params['from'], NS_FILE ) ); |
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100 | $to = ( $params['to'] === null ? null : $this->titlePartToKey( $params['to'], NS_FILE ) ); |
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101 | $this->addWhereRange( 'fa_name', $dir, $from, $to ); |
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102 | View Code Duplication | if ( isset( $params['prefix'] ) ) { |
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103 | $this->addWhere( 'fa_name' . $db->buildLike( |
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104 | $this->titlePartToKey( $params['prefix'], NS_FILE ), |
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105 | $db->anyString() ) ); |
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106 | } |
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107 | |||
108 | $sha1Set = isset( $params['sha1'] ); |
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109 | $sha1base36Set = isset( $params['sha1base36'] ); |
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110 | if ( $sha1Set || $sha1base36Set ) { |
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111 | $sha1 = false; |
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112 | if ( $sha1Set ) { |
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113 | $sha1 = strtolower( $params['sha1'] ); |
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114 | if ( !$this->validateSha1Hash( $sha1 ) ) { |
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115 | $this->dieUsage( 'The SHA1 hash provided is not valid', 'invalidsha1hash' ); |
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116 | } |
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117 | $sha1 = Wikimedia\base_convert( $sha1, 16, 36, 31 ); |
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118 | View Code Duplication | } elseif ( $sha1base36Set ) { |
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119 | $sha1 = strtolower( $params['sha1base36'] ); |
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120 | if ( !$this->validateSha1Base36Hash( $sha1 ) ) { |
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121 | $this->dieUsage( 'The SHA1Base36 hash provided is not valid', 'invalidsha1base36hash' ); |
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122 | } |
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123 | } |
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124 | if ( $sha1 ) { |
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0 ignored issues
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125 | $this->addWhereFld( 'fa_sha1', $sha1 ); |
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126 | } |
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127 | } |
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128 | |||
129 | // Exclude files this user can't view. |
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130 | if ( !$user->isAllowed( 'deletedtext' ) ) { |
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131 | $bitmask = File::DELETED_FILE; |
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132 | } elseif ( !$user->isAllowedAny( 'suppressrevision', 'viewsuppressed' ) ) { |
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133 | $bitmask = File::DELETED_FILE | File::DELETED_RESTRICTED; |
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134 | } else { |
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135 | $bitmask = 0; |
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136 | } |
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137 | if ( $bitmask ) { |
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138 | $this->addWhere( $this->getDB()->bitAnd( 'fa_deleted', $bitmask ) . " != $bitmask" ); |
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139 | } |
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140 | |||
141 | $limit = $params['limit']; |
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142 | $this->addOption( 'LIMIT', $limit + 1 ); |
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143 | $sort = ( $params['dir'] == 'descending' ? ' DESC' : '' ); |
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144 | $this->addOption( 'ORDER BY', [ |
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145 | 'fa_name' . $sort, |
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146 | 'fa_timestamp' . $sort, |
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147 | 'fa_id' . $sort, |
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148 | ] ); |
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149 | |||
150 | $res = $this->select( __METHOD__ ); |
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151 | |||
152 | $count = 0; |
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153 | $result = $this->getResult(); |
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154 | foreach ( $res as $row ) { |
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155 | if ( ++$count > $limit ) { |
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156 | // We've reached the one extra which shows that there are |
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157 | // additional pages to be had. Stop here... |
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158 | $this->setContinueEnumParameter( |
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159 | 'continue', "$row->fa_name|$row->fa_timestamp|$row->fa_id" |
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160 | ); |
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161 | break; |
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162 | } |
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163 | |||
164 | $file = []; |
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165 | $file['id'] = (int)$row->fa_id; |
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166 | $file['name'] = $row->fa_name; |
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167 | $title = Title::makeTitle( NS_FILE, $row->fa_name ); |
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168 | self::addTitleInfo( $file, $title ); |
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169 | |||
170 | if ( $fld_description && |
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171 | Revision::userCanBitfield( $row->fa_deleted, File::DELETED_COMMENT, $user ) |
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172 | ) { |
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173 | $file['description'] = $row->fa_description; |
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174 | if ( isset( $prop['parseddescription'] ) ) { |
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175 | $file['parseddescription'] = Linker::formatComment( |
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176 | $row->fa_description, $title ); |
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177 | } |
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178 | } |
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179 | if ( $fld_user && |
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180 | Revision::userCanBitfield( $row->fa_deleted, File::DELETED_USER, $user ) |
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181 | ) { |
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182 | $file['userid'] = (int)$row->fa_user; |
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183 | $file['user'] = $row->fa_user_text; |
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184 | } |
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185 | if ( $fld_sha1 ) { |
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186 | $file['sha1'] = Wikimedia\base_convert( $row->fa_sha1, 36, 16, 40 ); |
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187 | } |
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188 | if ( $fld_timestamp ) { |
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189 | $file['timestamp'] = wfTimestamp( TS_ISO_8601, $row->fa_timestamp ); |
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190 | } |
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191 | if ( $fld_size || $fld_dimensions ) { |
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192 | $file['size'] = $row->fa_size; |
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193 | |||
194 | $pageCount = ArchivedFile::newFromRow( $row )->pageCount(); |
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195 | if ( $pageCount !== false ) { |
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196 | $file['pagecount'] = $pageCount; |
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197 | } |
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198 | |||
199 | $file['height'] = $row->fa_height; |
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200 | $file['width'] = $row->fa_width; |
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201 | } |
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202 | if ( $fld_mediatype ) { |
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203 | $file['mediatype'] = $row->fa_media_type; |
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204 | } |
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205 | if ( $fld_metadata ) { |
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206 | $file['metadata'] = $row->fa_metadata |
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207 | ? ApiQueryImageInfo::processMetaData( unserialize( $row->fa_metadata ), $result ) |
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208 | : null; |
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209 | } |
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210 | if ( $fld_bitdepth ) { |
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211 | $file['bitdepth'] = $row->fa_bits; |
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212 | } |
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213 | if ( $fld_mime ) { |
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214 | $file['mime'] = "$row->fa_major_mime/$row->fa_minor_mime"; |
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215 | } |
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216 | if ( $fld_archivename && !is_null( $row->fa_archive_name ) ) { |
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217 | $file['archivename'] = $row->fa_archive_name; |
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218 | } |
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219 | |||
220 | if ( $row->fa_deleted & File::DELETED_FILE ) { |
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221 | $file['filehidden'] = true; |
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222 | } |
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223 | if ( $row->fa_deleted & File::DELETED_COMMENT ) { |
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224 | $file['commenthidden'] = true; |
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225 | } |
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226 | if ( $row->fa_deleted & File::DELETED_USER ) { |
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227 | $file['userhidden'] = true; |
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228 | } |
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229 | if ( $row->fa_deleted & File::DELETED_RESTRICTED ) { |
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230 | // This file is deleted for normal admins |
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231 | $file['suppressed'] = true; |
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232 | } |
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233 | |||
234 | $fit = $result->addValue( [ 'query', $this->getModuleName() ], null, $file ); |
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235 | if ( !$fit ) { |
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236 | $this->setContinueEnumParameter( |
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237 | 'continue', "$row->fa_name|$row->fa_timestamp|$row->fa_id" |
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238 | ); |
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239 | break; |
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240 | } |
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241 | } |
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242 | |||
243 | $result->addIndexedTagName( [ 'query', $this->getModuleName() ], 'fa' ); |
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244 | } |
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245 | |||
246 | public function getAllowedParams() { |
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247 | return [ |
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248 | 'from' => null, |
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249 | 'to' => null, |
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250 | 'prefix' => null, |
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251 | 'dir' => [ |
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252 | ApiBase::PARAM_DFLT => 'ascending', |
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253 | ApiBase::PARAM_TYPE => [ |
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254 | 'ascending', |
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255 | 'descending' |
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256 | ] |
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257 | ], |
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258 | 'sha1' => null, |
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259 | 'sha1base36' => null, |
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260 | 'prop' => [ |
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261 | ApiBase::PARAM_DFLT => 'timestamp', |
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262 | ApiBase::PARAM_ISMULTI => true, |
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263 | ApiBase::PARAM_TYPE => [ |
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264 | 'sha1', |
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265 | 'timestamp', |
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266 | 'user', |
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267 | 'size', |
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268 | 'dimensions', |
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269 | 'description', |
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270 | 'parseddescription', |
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271 | 'mime', |
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272 | 'mediatype', |
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273 | 'metadata', |
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274 | 'bitdepth', |
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275 | 'archivename', |
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276 | ], |
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277 | ApiBase::PARAM_HELP_MSG_PER_VALUE => [], |
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278 | ], |
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279 | 'limit' => [ |
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280 | ApiBase::PARAM_DFLT => 10, |
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281 | ApiBase::PARAM_TYPE => 'limit', |
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282 | ApiBase::PARAM_MIN => 1, |
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283 | ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1, |
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284 | ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2 |
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285 | ], |
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286 | 'continue' => [ |
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287 | ApiBase::PARAM_HELP_MSG => 'api-help-param-continue', |
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288 | ], |
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289 | ]; |
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290 | } |
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291 | |||
292 | protected function getExamplesMessages() { |
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293 | return [ |
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294 | 'action=query&list=filearchive' |
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295 | => 'apihelp-query+filearchive-example-simple', |
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296 | ]; |
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297 | } |
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298 | |||
299 | public function getHelpUrls() { |
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300 | return 'https://www.mediawiki.org/wiki/API:Filearchive'; |
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301 | } |
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302 | } |
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303 |
In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: