1 | <?php |
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2 | /* This is a copy of include/functions_comment.inc.php but adapted for Comments On Albums */ |
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3 | |
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4 | //returns string action to perform on a new comment: validate, moderate, reject |
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5 | function user_comment_check_albums($action, $comment) |
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6 | { |
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7 | global $conf,$user; |
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8 | |
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9 | if ($action=='reject') |
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10 | return $action; |
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11 | |
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12 | $my_action = $conf['comment_spam_reject'] ? 'reject':'moderate'; |
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13 | |
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14 | if ($action==$my_action) |
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15 | return $action; |
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16 | |
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17 | // we do here only BASIC spam check (plugins can do more) |
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18 | if ( !is_a_guest() ) |
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19 | return $action; |
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20 | |
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21 | $link_count = preg_match_all( '/https?:\/\//', |
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22 | $comment['content'], $matches); |
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23 | |
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24 | if ( strpos($comment['author'], 'http://')!==false ) |
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25 | { |
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26 | $link_count++; |
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27 | } |
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28 | |
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29 | if ( $link_count>$conf['comment_spam_max_links'] ) |
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30 | return $my_action; |
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31 | |
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32 | return $action; |
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33 | } |
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34 | |
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35 | add_event_handler('user_comment_check_albums', 'user_comment_check_albums', |
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36 | EVENT_HANDLER_PRIORITY_NEUTRAL, 2); |
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37 | |
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38 | /** |
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39 | * Tries to insert a user comment in the database and returns one of : |
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40 | * validate, moderate, reject |
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41 | * @param array comm contains author, content, category_id |
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42 | * @param string key secret key sent back to the browser |
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43 | * @param array infos out array of messages |
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44 | */ |
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45 | function insert_user_comment_albums( &$comm, $key, &$infos ) |
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46 | { |
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47 | global $conf, $user; |
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48 | |
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49 | $comm = array_merge( $comm, |
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50 | array( |
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51 | 'ip' => $_SERVER['REMOTE_ADDR'], |
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52 | 'agent' => $_SERVER['HTTP_USER_AGENT'] |
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53 | ) |
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54 | ); |
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55 | |
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56 | $infos = array(); |
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57 | if (!$conf['comments_validation'] or is_admin()) |
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58 | { |
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59 | $comment_action='validate'; //one of validate, moderate, reject |
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60 | } |
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61 | else |
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62 | { |
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63 | $comment_action='moderate'; //one of validate, moderate, reject |
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64 | } |
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65 | |
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66 | // display author field if the user status is guest or generic |
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67 | if (!is_classic_user()) |
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68 | { |
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69 | if ( empty($comm['author']) ) |
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70 | { |
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71 | $comm['author'] = 'guest'; |
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72 | } |
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73 | $comm['author_id'] = $conf['guest_id']; |
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74 | // if a guest try to use the name of an already existing user, he must be |
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75 | // rejected |
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76 | if ( $comm['author'] != 'guest' ) |
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77 | { |
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78 | $query = ' |
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79 | SELECT COUNT(*) AS user_exists |
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80 | FROM '.USERS_TABLE.' |
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81 | WHERE '.$conf['user_fields']['username']." = '".addslashes($comm['author'])."'"; |
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82 | $row = pwg_db_fetch_assoc( pwg_query( $query ) ); |
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83 | if ( $row['user_exists'] == 1 ) |
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84 | { |
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85 | array_push($infos, l10n('This login is already used by another user') ); |
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86 | $comment_action='reject'; |
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87 | } |
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88 | } |
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89 | } |
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90 | else |
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91 | { |
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92 | $comm['author'] = addslashes($user['username']); |
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93 | $comm['author_id'] = $user['id']; |
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94 | } |
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95 | |
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96 | if ( empty($comm['content']) ) |
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97 | { // empty comment content |
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98 | $comment_action='reject'; |
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99 | } |
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100 | |
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101 | if ( !verify_ephemeral_key(@$key, $comm['category_id']) ) |
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102 | { |
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103 | $comment_action='reject'; |
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104 | $_POST['cr'][] = 'key'; |
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105 | } |
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106 | |
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107 | // anonymous id = ip address |
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108 | $ip_components = explode('.', $comm['ip']); |
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109 | if (count($ip_components) > 3) |
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110 | { |
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111 | array_pop($ip_components); |
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112 | } |
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113 | $comm['anonymous_id'] = implode('.', $ip_components); |
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114 | |
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115 | if ($comment_action!='reject' and $conf['anti-flood_time']>0 and !is_admin()) |
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116 | { // anti-flood system |
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117 | $reference_date = pwg_db_get_flood_period_expression($conf['anti-flood_time']); |
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118 | |
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119 | $query = ' |
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120 | SELECT count(1) FROM '.COA_TABLE.' |
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121 | WHERE date > '.$reference_date.' |
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122 | AND author_id = '.$comm['author_id']; |
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123 | if (!is_classic_user()) |
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124 | { |
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125 | $query.= ' |
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126 | AND anonymous_id = "'.$comm['anonymous_id'].'"'; |
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127 | } |
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128 | $query.= ' |
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129 | ;'; |
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130 | |
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131 | list($counter) = pwg_db_fetch_row(pwg_query($query)); |
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132 | if ( $counter > 0 ) |
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133 | { |
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134 | array_push( $infos, l10n('Anti-flood system : please wait for a moment before trying to post another comment') ); |
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135 | $comment_action='reject'; |
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136 | } |
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137 | } |
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138 | |
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139 | // perform more spam check |
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140 | $comment_action = trigger_event('user_comment_check_albums', |
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141 | $comment_action, $comm |
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142 | ); |
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143 | |
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144 | if ( $comment_action!='reject' ) |
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145 | { |
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146 | $query = ' |
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147 | INSERT INTO '.COA_TABLE.' |
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148 | (author, author_id, content, date, validated, validation_date, category_id) |
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149 | VALUES ( |
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150 | \''.$comm['author'].'\', |
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151 | '.$comm['author_id'].', |
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152 | \''.$comm['content'].'\', |
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153 | NOW(), |
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154 | \''.($comment_action=='validate' ? 'true':'false').'\', |
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155 | '.($comment_action=='validate' ? 'NOW()':'NULL').', |
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156 | '.$comm['category_id'].' |
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157 | ) |
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158 | '; |
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159 | |
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160 | pwg_query($query); |
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161 | |
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162 | $comm['id'] = pwg_db_insert_id(COA_TABLE); |
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163 | |
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164 | if ( ($conf['email_admin_on_comment'] && 'validate' == $comment_action) |
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165 | or ($conf['email_admin_on_comment_validation'] and 'moderate' == $comment_action)) |
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166 | { |
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167 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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168 | |
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169 | $comment_url = get_absolute_root_url().'comments.php?display_mode=albums&comment_id='.$comm['id']; |
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170 | |
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171 | $keyargs_content = array |
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172 | ( |
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173 | get_l10n_args('Author: %s', stripslashes($comm['author']) ), |
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174 | get_l10n_args('Comment: %s', stripslashes($comm['content']) ), |
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175 | get_l10n_args('', ''), |
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176 | get_l10n_args('Manage this user comment: %s', $comment_url) |
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177 | ); |
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178 | |
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179 | if ('moderate' == $comment_action) |
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180 | { |
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181 | $keyargs_content[] = get_l10n_args('', ''); |
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182 | $keyargs_content[] = get_l10n_args('(!) This comment requires validation', ''); |
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183 | } |
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184 | |
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185 | pwg_mail_notification_admins |
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186 | ( |
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187 | get_l10n_args('Comment by %s', stripslashes($comm['author']) ), |
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188 | $keyargs_content |
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189 | ); |
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190 | } |
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191 | } |
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192 | return $comment_action; |
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193 | } |
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194 | |
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195 | /** |
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196 | * Tries to delete a user comment in the database |
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197 | * only admin can delete all comments |
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198 | * other users can delete their own comments |
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199 | * so to avoid a new sql request we add author in where clause |
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200 | * |
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201 | * @param comment_id |
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202 | */ |
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203 | function delete_user_comment_albums($comment_id) |
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204 | { |
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205 | $user_where_clause = ''; |
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206 | if (!is_admin()) |
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207 | { |
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208 | $user_where_clause = ' AND author_id = \''.$GLOBALS['user']['id'].'\''; |
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209 | } |
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210 | |
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211 | if (is_array($comment_id)) |
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212 | $where_clause = 'id IN('.implode(',', $comment_id).')'; |
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213 | else |
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214 | $where_clause = 'id = '.$comment_id; |
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215 | |
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216 | $query = ' |
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217 | DELETE FROM '.COA_TABLE.' |
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218 | WHERE '.$where_clause. |
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219 | $user_where_clause.' |
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220 | ;'; |
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221 | $result = pwg_query($query); |
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222 | |
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223 | if ($result) |
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224 | { |
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225 | email_admin('delete', |
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226 | array('author' => $GLOBALS['user']['username'], |
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227 | 'comment_id' => $comment_id |
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228 | )); |
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229 | } |
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230 | |
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231 | trigger_action('user_comment_deletion', $comment_id, 'category'); |
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232 | } |
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233 | |
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234 | /** |
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235 | * Tries to update a user comment in the database |
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236 | * only admin can update all comments |
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237 | * users can edit their own comments if admin allow them |
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238 | * so to avoid a new sql request we add author in where clause |
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239 | * |
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240 | * @param comment_id |
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241 | * @param post_key |
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242 | * @param content |
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243 | */ |
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244 | function update_user_comment_albums($comment, $post_key) |
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245 | { |
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246 | global $conf; |
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247 | |
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248 | $comment_action = 'validate'; |
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249 | |
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250 | if ( !verify_ephemeral_key($post_key, $comment['category_id']) ) |
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251 | { |
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252 | $comment_action='reject'; |
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253 | } |
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254 | elseif (!$conf['comments_validation'] or is_admin()) // should the updated comment must be validated |
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255 | { |
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256 | $comment_action='validate'; //one of validate, moderate, reject |
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257 | } |
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258 | else |
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259 | { |
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260 | $comment_action='moderate'; //one of validate, moderate, reject |
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261 | } |
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262 | |
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263 | // perform more spam check |
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264 | $comment_action = |
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265 | trigger_event('user_comment_check_albums', |
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266 | $comment_action, |
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267 | array_merge($comment, |
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268 | array('author' => $GLOBALS['user']['username']) |
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269 | ) |
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270 | ); |
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271 | |
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272 | if ( $comment_action!='reject' ) |
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273 | { |
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274 | $user_where_clause = ''; |
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275 | if (!is_admin()) |
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276 | { |
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277 | $user_where_clause = ' AND author_id = \''. |
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278 | $GLOBALS['user']['id'].'\''; |
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279 | } |
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280 | |
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281 | $query = ' |
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282 | UPDATE '.COA_TABLE.' |
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283 | SET content = \''.$comment['content'].'\', |
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284 | validated = \''.($comment_action=='validate' ? 'true':'false').'\', |
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285 | validation_date = '.($comment_action=='validate' ? 'NOW()':'NULL').' |
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286 | WHERE id = '.$comment['comment_id']. |
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287 | $user_where_clause.' |
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288 | ;'; |
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289 | $result = pwg_query($query); |
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290 | |
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291 | // mail admin and ask to validate the comment |
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292 | if ($result and $conf['email_admin_on_comment_validation'] and 'moderate' == $comment_action) |
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293 | { |
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294 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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295 | |
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296 | $comment_url = get_absolute_root_url().'comments.php?display_mode=albums&comment_id='.$comment['comment_id']; |
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297 | |
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298 | $keyargs_content = array |
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299 | ( |
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300 | get_l10n_args('Author: %s', stripslashes($GLOBALS['user']['username']) ), |
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301 | get_l10n_args('Comment: %s', stripslashes($comment['content']) ), |
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302 | get_l10n_args('', ''), |
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303 | get_l10n_args('Manage this user comment: %s', $comment_url), |
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304 | get_l10n_args('', ''), |
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305 | get_l10n_args('(!) This comment requires validation', ''), |
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306 | ); |
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307 | |
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308 | pwg_mail_notification_admins |
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309 | ( |
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310 | get_l10n_args('Comment by %s', stripslashes($GLOBALS['user']['username']) ), |
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311 | $keyargs_content |
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312 | ); |
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313 | } |
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314 | // just mail admin |
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315 | else if ($result) |
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316 | { |
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317 | email_admin('edit', array('author' => $GLOBALS['user']['username'], |
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318 | 'content' => stripslashes($comment['content'])) ); |
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319 | } |
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320 | } |
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321 | |
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322 | return $comment_action; |
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323 | } |
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324 | |
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325 | if (!function_exists('email_admin')) |
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326 | { |
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327 | function email_admin($action, $comment) |
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328 | { |
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329 | global $conf; |
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330 | |
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331 | if (!in_array($action, array('edit', 'delete')) |
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332 | or (($action=='edit') and !$conf['email_admin_on_comment_edition']) |
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333 | or (($action=='delete') and !$conf['email_admin_on_comment_deletion'])) |
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334 | { |
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335 | return; |
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336 | } |
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337 | |
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338 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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339 | |
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340 | $keyargs_content = array(); |
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341 | $keyargs_content[] = get_l10n_args('Author: %s', $comment['author']); |
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342 | if ($action=='delete') |
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343 | { |
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344 | $keyargs_content[] = get_l10n_args('This author removed the comment with id %d', |
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345 | $comment['comment_id'] |
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346 | ); |
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347 | } |
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348 | else |
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349 | { |
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350 | $keyargs_content[] = get_l10n_args('This author modified following comment:', ''); |
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351 | $keyargs_content[] = get_l10n_args('Comment: %s', $comment['content']); |
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352 | } |
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353 | |
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354 | pwg_mail_notification_admins(get_l10n_args('Comment by %s', |
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355 | $comment['author']), |
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356 | $keyargs_content |
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357 | ); |
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358 | } |
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359 | } |
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360 | |
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361 | function get_comment_author_id_albums($comment_id, $die_on_error=true) |
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362 | { |
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363 | $query = ' |
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364 | SELECT |
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365 | author_id |
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366 | FROM '.COA_TABLE.' |
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367 | WHERE id = '.$comment_id.' |
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368 | ;'; |
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369 | $result = pwg_query($query); |
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370 | if (pwg_db_num_rows($result) == 0) |
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371 | { |
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372 | if ($die_on_error) |
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373 | { |
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374 | fatal_error('Unknown comment identifier'); |
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375 | } |
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376 | else |
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377 | { |
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378 | return false; |
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379 | } |
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380 | } |
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381 | |
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382 | list($author_id) = pwg_db_fetch_row($result); |
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383 | |
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384 | return $author_id; |
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385 | } |
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386 | |
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387 | /** |
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388 | * Tries to validate a user comment in the database |
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389 | * @param int or array of int comment_id |
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390 | */ |
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391 | function validate_user_comment_albums($comment_id) |
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392 | { |
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393 | if (is_array($comment_id)) |
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394 | $where_clause = 'id IN('.implode(',', $comment_id).')'; |
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395 | else |
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396 | $where_clause = 'id = '.$comment_id; |
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397 | |
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398 | $query = ' |
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399 | UPDATE '.COA_TABLE.' |
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400 | SET validated = \'true\' |
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401 | , validation_date = NOW() |
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402 | WHERE '.$where_clause.' |
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403 | ;'; |
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404 | pwg_query($query); |
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405 | |
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406 | trigger_action('user_comment_validation', $comment_id, 'category'); |
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407 | } |
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408 | ?> |
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