[9624] | 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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[11267] | 5 | if (!function_exists('user_comment_check')) |
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| 6 | { |
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[10984] | 7 | function user_comment_check($action, $comment) |
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| 8 | { |
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| 9 | global $conf,$user; |
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[9624] | 10 | |
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[10984] | 11 | if ($action=='reject') |
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| 12 | return $action; |
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[9624] | 13 | |
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[10984] | 14 | $my_action = $conf['comment_spam_reject'] ? 'reject':'moderate'; |
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[9624] | 15 | |
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[10984] | 16 | if ($action==$my_action) |
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| 17 | return $action; |
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[9624] | 18 | |
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[10984] | 19 | // we do here only BASIC spam check (plugins can do more) |
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| 20 | if ( !is_a_guest() ) |
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| 21 | return $action; |
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[9624] | 22 | |
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[10984] | 23 | $link_count = preg_match_all( '/https?:\/\//', |
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| 24 | $comment['content'], $matches); |
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[9624] | 25 | |
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[10984] | 26 | if ( strpos($comment['author'], 'http://')!==false ) |
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| 27 | { |
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| 28 | $link_count++; |
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| 29 | } |
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[9624] | 30 | |
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[10984] | 31 | if ( $link_count>$conf['comment_spam_max_links'] ) |
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| 32 | return $my_action; |
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[9624] | 33 | |
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[10984] | 34 | return $action; |
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| 35 | } |
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[9624] | 36 | } |
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| 37 | |
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| 38 | |
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| 39 | add_event_handler('user_comment_check', 'user_comment_check', |
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| 40 | EVENT_HANDLER_PRIORITY_NEUTRAL, 2); |
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| 41 | |
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| 42 | /** |
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| 43 | * Tries to insert a user comment in the database and returns one of : |
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| 44 | * validate, moderate, reject |
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| 45 | * @param array comm contains author, content, image_id |
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| 46 | * @param string key secret key sent back to the browser |
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| 47 | * @param array infos out array of messages |
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| 48 | */ |
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[9634] | 49 | function insert_user_comment_albums( &$comm, $key, &$infos ) |
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[9624] | 50 | { |
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| 51 | global $conf, $user; |
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| 52 | |
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| 53 | $comm = array_merge( $comm, |
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| 54 | array( |
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| 55 | 'ip' => $_SERVER['REMOTE_ADDR'], |
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| 56 | 'agent' => $_SERVER['HTTP_USER_AGENT'] |
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| 57 | ) |
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| 58 | ); |
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| 59 | |
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| 60 | $infos = array(); |
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| 61 | if (!$conf['comments_validation'] or is_admin()) |
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| 62 | { |
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| 63 | $comment_action='validate'; //one of validate, moderate, reject |
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| 64 | } |
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| 65 | else |
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| 66 | { |
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| 67 | $comment_action='moderate'; //one of validate, moderate, reject |
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| 68 | } |
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| 69 | |
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| 70 | // display author field if the user status is guest or generic |
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| 71 | if (!is_classic_user()) |
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| 72 | { |
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| 73 | if ( empty($comm['author']) ) |
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| 74 | { |
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| 75 | $comm['author'] = 'guest'; |
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| 76 | } |
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| 77 | $comm['author_id'] = $conf['guest_id']; |
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| 78 | // if a guest try to use the name of an already existing user, he must be |
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| 79 | // rejected |
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| 80 | if ( $comm['author'] != 'guest' ) |
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| 81 | { |
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| 82 | $query = ' |
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| 83 | SELECT COUNT(*) AS user_exists |
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| 84 | FROM '.USERS_TABLE.' |
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| 85 | WHERE '.$conf['user_fields']['username']." = '".addslashes($comm['author'])."'"; |
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| 86 | $row = pwg_db_fetch_assoc( pwg_query( $query ) ); |
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| 87 | if ( $row['user_exists'] == 1 ) |
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| 88 | { |
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| 89 | array_push($infos, l10n('This login is already used by another user') ); |
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| 90 | $comment_action='reject'; |
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| 91 | } |
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| 92 | } |
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| 93 | } |
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| 94 | else |
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| 95 | { |
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| 96 | $comm['author'] = addslashes($user['username']); |
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| 97 | $comm['author_id'] = $user['id']; |
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| 98 | } |
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| 99 | |
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| 100 | if ( empty($comm['content']) ) |
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| 101 | { // empty comment content |
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| 102 | $comment_action='reject'; |
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| 103 | } |
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| 104 | |
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| 105 | if ( !verify_ephemeral_key(@$key, $comm['image_id']) ) |
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| 106 | { |
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| 107 | $comment_action='reject'; |
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| 108 | } |
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| 109 | |
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| 110 | if ($comment_action!='reject' and $conf['anti-flood_time']>0 and !is_admin()) |
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| 111 | { // anti-flood system |
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| 112 | $reference_date = pwg_db_get_flood_period_expression($conf['anti-flood_time']); |
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| 113 | |
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| 114 | $query = ' |
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| 115 | SELECT count(1) FROM '.COA_TABLE.' |
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| 116 | WHERE date > '.$reference_date.' |
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| 117 | AND author_id = '.$comm['author_id']; |
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| 118 | list($counter) = pwg_db_fetch_row(pwg_query($query)); |
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| 119 | if ( $counter > 0 ) |
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| 120 | { |
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| 121 | array_push( $infos, l10n('Anti-flood system : please wait for a moment before trying to post another comment') ); |
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| 122 | $comment_action='reject'; |
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| 123 | } |
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| 124 | } |
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| 125 | |
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| 126 | // perform more spam check |
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| 127 | $comment_action = trigger_event('user_comment_check', |
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| 128 | $comment_action, $comm |
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| 129 | ); |
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| 130 | |
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| 131 | if ( $comment_action!='reject' ) |
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| 132 | { |
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| 133 | $query = ' |
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| 134 | INSERT INTO '.COA_TABLE.' |
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| 135 | (author, author_id, content, date, validated, validation_date, category_id) |
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| 136 | VALUES ( |
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| 137 | \''.$comm['author'].'\', |
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| 138 | '.$comm['author_id'].', |
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| 139 | \''.$comm['content'].'\', |
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| 140 | NOW(), |
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| 141 | \''.($comment_action=='validate' ? 'true':'false').'\', |
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| 142 | '.($comment_action=='validate' ? 'NOW()':'NULL').', |
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| 143 | '.$comm['image_id'].' |
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| 144 | ) |
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| 145 | '; |
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| 146 | |
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| 147 | pwg_query($query); |
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| 148 | |
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| 149 | $comm['id'] = pwg_db_insert_id(COA_TABLE); |
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| 150 | |
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| 151 | if ($conf['email_admin_on_comment'] |
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| 152 | or ($conf['email_admin_on_comment_validation'] and 'moderate' == $comment_action)) |
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| 153 | { |
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| 154 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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| 155 | |
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[11327] | 156 | $comment_url = get_absolute_root_url().'comments.php?display_mode=albums&comment_id='.$comm['id']; |
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[9624] | 157 | |
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| 158 | $keyargs_content = array |
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| 159 | ( |
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| 160 | get_l10n_args('Author: %s', stripslashes($comm['author']) ), |
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| 161 | get_l10n_args('Comment: %s', stripslashes($comm['content']) ), |
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| 162 | get_l10n_args('', ''), |
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| 163 | get_l10n_args('Manage this user comment: %s', $comment_url) |
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| 164 | ); |
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| 165 | |
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| 166 | if ('moderate' == $comment_action) |
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| 167 | { |
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| 168 | $keyargs_content[] = get_l10n_args('', ''); |
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| 169 | $keyargs_content[] = get_l10n_args('(!) This comment requires validation', ''); |
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| 170 | } |
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| 171 | |
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| 172 | pwg_mail_notification_admins |
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| 173 | ( |
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| 174 | get_l10n_args('Comment by %s', stripslashes($comm['author']) ), |
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| 175 | $keyargs_content |
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| 176 | ); |
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| 177 | } |
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| 178 | } |
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| 179 | return $comment_action; |
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| 180 | } |
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| 181 | |
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| 182 | /** |
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| 183 | * Tries to delete a user comment in the database |
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| 184 | * only admin can delete all comments |
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| 185 | * other users can delete their own comments |
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| 186 | * so to avoid a new sql request we add author in where clause |
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| 187 | * |
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| 188 | * @param comment_id |
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| 189 | */ |
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[11267] | 190 | function delete_user_comment_albums($comment_id) |
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| 191 | { |
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[9624] | 192 | $user_where_clause = ''; |
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| 193 | if (!is_admin()) |
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| 194 | { |
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| 195 | $user_where_clause = ' AND author_id = \''.$GLOBALS['user']['id'].'\''; |
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| 196 | } |
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| 197 | $query = ' |
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| 198 | DELETE FROM '.COA_TABLE.' |
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| 199 | WHERE id = '.$comment_id. |
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| 200 | $user_where_clause.' |
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| 201 | ;'; |
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| 202 | $result = pwg_query($query); |
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| 203 | if ($result) { |
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| 204 | email_admin('delete', |
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| 205 | array('author' => $GLOBALS['user']['username'], |
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| 206 | 'comment_id' => $comment_id |
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| 207 | )); |
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| 208 | } |
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| 209 | } |
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| 210 | |
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| 211 | /** |
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| 212 | * Tries to update a user comment in the database |
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| 213 | * only admin can update all comments |
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| 214 | * users can edit their own comments if admin allow them |
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| 215 | * so to avoid a new sql request we add author in where clause |
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| 216 | * |
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| 217 | * @param comment_id |
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| 218 | * @param post_key |
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| 219 | * @param content |
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| 220 | */ |
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[9634] | 221 | function update_user_comment_albums($comment, $post_key) |
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[9624] | 222 | { |
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| 223 | global $conf; |
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| 224 | |
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| 225 | $comment_action = 'validate'; |
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| 226 | |
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| 227 | if ( !verify_ephemeral_key($post_key, $comment['image_id']) ) |
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| 228 | { |
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| 229 | $comment_action='reject'; |
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| 230 | } |
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| 231 | |
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| 232 | // perform more spam check |
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| 233 | $comment_action = |
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| 234 | trigger_event('user_comment_check', |
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[10984] | 235 | $comment_action, |
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| 236 | array_merge($comment, |
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| 237 | array('author' => $GLOBALS['user']['username']) |
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| 238 | ) |
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| 239 | ); |
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[9624] | 240 | |
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| 241 | if ( $comment_action!='reject' ) |
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| 242 | { |
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| 243 | $user_where_clause = ''; |
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| 244 | if (!is_admin()) |
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| 245 | { |
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| 246 | $user_where_clause = ' AND author_id = \''. |
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[10984] | 247 | $GLOBALS['user']['id'].'\''; |
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[9624] | 248 | } |
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[10213] | 249 | |
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| 250 | // should the updated comment must be validated |
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| 251 | if (!$conf['comments_validation'] or is_admin()) |
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| 252 | { |
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| 253 | $comment_action='validate'; //one of validate, moderate, reject |
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| 254 | } |
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| 255 | else |
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| 256 | { |
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| 257 | $comment_action='moderate'; //one of validate, moderate, reject |
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| 258 | } |
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| 259 | |
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[9624] | 260 | $query = ' |
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| 261 | UPDATE '.COA_TABLE.' |
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| 262 | SET content = \''.$comment['content'].'\', |
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[10213] | 263 | validated = \''.($comment_action=='validate' ? 'true':'false').'\', |
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| 264 | validation_date = '.($comment_action=='validate' ? 'NOW()':'NULL').' |
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| 265 | WHERE id = '.$comment['comment_id']. |
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| 266 | $user_where_clause.' |
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| 267 | ;'; |
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| 268 | $result = pwg_query($query); |
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| 269 | |
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| 270 | // mail admin and ask to validate the comment |
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| 271 | if ($result and $conf['email_admin_on_comment_validation'] and 'moderate' == $comment_action) |
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| 272 | { |
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| 273 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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| 274 | |
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[11327] | 275 | $comment_url = get_absolute_root_url().'comments.php?display_mode=albums&comment_id='.$comment['comment_id']; |
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[10213] | 276 | |
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| 277 | $keyargs_content = array |
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| 278 | ( |
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| 279 | get_l10n_args('Author: %s', stripslashes($GLOBALS['user']['username']) ), |
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| 280 | get_l10n_args('Comment: %s', stripslashes($comment['content']) ), |
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| 281 | get_l10n_args('', ''), |
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| 282 | get_l10n_args('Manage this user comment: %s', $comment_url), |
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| 283 | get_l10n_args('', ''), |
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| 284 | get_l10n_args('(!) This comment requires validation', ''), |
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| 285 | ); |
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| 286 | |
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| 287 | pwg_mail_notification_admins |
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| 288 | ( |
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| 289 | get_l10n_args('Comment by %s', stripslashes($GLOBALS['user']['username']) ), |
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| 290 | $keyargs_content |
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| 291 | ); |
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| 292 | } |
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| 293 | // just mail admin |
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| 294 | else if ($result) |
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| 295 | { |
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| 296 | email_admin('edit', array('author' => $GLOBALS['user']['username'], |
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[10984] | 297 | 'content' => stripslashes($comment['content'])) ); |
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[10213] | 298 | } |
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| 299 | } |
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| 300 | |
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| 301 | return $comment_action; |
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| 302 | } |
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| 303 | |
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[11267] | 304 | if (!function_exists('email_admin')) |
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| 305 | { |
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[10984] | 306 | function email_admin($action, $comment) |
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| 307 | { |
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| 308 | global $conf; |
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[9624] | 309 | |
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[10984] | 310 | if (!in_array($action, array('edit', 'delete')) |
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| 311 | or (($action=='edit') and !$conf['email_admin_on_comment_edition']) |
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| 312 | or (($action=='delete') and !$conf['email_admin_on_comment_deletion'])) |
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| 313 | { |
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| 314 | return; |
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| 315 | } |
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[9624] | 316 | |
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[10984] | 317 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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[9624] | 318 | |
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[10984] | 319 | $keyargs_content = array(); |
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| 320 | $keyargs_content[] = get_l10n_args('Author: %s', $comment['author']); |
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| 321 | if ($action=='delete') |
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| 322 | { |
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| 323 | $keyargs_content[] = get_l10n_args('This author removed the comment with id %d', |
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| 324 | $comment['comment_id'] |
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| 325 | ); |
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| 326 | } |
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| 327 | else |
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| 328 | { |
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| 329 | $keyargs_content[] = get_l10n_args('This author modified following comment:', ''); |
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| 330 | $keyargs_content[] = get_l10n_args('Comment: %s', $comment['content']); |
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| 331 | } |
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[9624] | 332 | |
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[10984] | 333 | pwg_mail_notification_admins(get_l10n_args('Comment by %s', |
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| 334 | $comment['author']), |
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| 335 | $keyargs_content |
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| 336 | ); |
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| 337 | } |
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[9624] | 338 | } |
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| 339 | |
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[9634] | 340 | function get_comment_author_id_albums($comment_id, $die_on_error=true) |
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[9624] | 341 | { |
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| 342 | $query = ' |
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| 343 | SELECT |
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| 344 | author_id |
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| 345 | FROM '.COA_TABLE.' |
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| 346 | WHERE id = '.$comment_id.' |
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| 347 | ;'; |
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| 348 | $result = pwg_query($query); |
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| 349 | if (pwg_db_num_rows($result) == 0) |
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| 350 | { |
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| 351 | if ($die_on_error) |
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| 352 | { |
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| 353 | fatal_error('Unknown comment identifier'); |
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| 354 | } |
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| 355 | else |
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| 356 | { |
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| 357 | return false; |
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| 358 | } |
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| 359 | } |
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| 360 | |
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| 361 | list($author_id) = pwg_db_fetch_row($result); |
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| 362 | |
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| 363 | return $author_id; |
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| 364 | } |
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| 365 | |
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[9634] | 366 | function validate_user_comment_albums($comment_id) |
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[9624] | 367 | { |
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| 368 | $query = ' |
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| 369 | UPDATE '.COA_TABLE.' |
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| 370 | SET validated = \'true\' |
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| 371 | , validation_date = NOW() |
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| 372 | WHERE id = '.$comment_id.' |
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| 373 | ;'; |
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| 374 | pwg_query($query); |
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| 375 | } |
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| 376 | ?> |
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