1 | <?php |
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2 | defined('GUESTBOOK_PATH') or die('Hacking attempt!'); |
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3 | |
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4 | include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php'); |
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5 | |
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6 | |
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7 | function insert_user_comment_guestbook( &$comm, $key ) |
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8 | { |
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9 | global $conf, $user, $page; |
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10 | |
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11 | $comm = array_merge($comm, |
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12 | array( |
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13 | 'ip' => $_SERVER['REMOTE_ADDR'], |
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14 | 'agent' => $_SERVER['HTTP_USER_AGENT'] |
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15 | ) |
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16 | ); |
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17 | |
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18 | if (!$conf['guestbook']['comments_validation'] or is_admin()) |
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19 | { |
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20 | $comment_action='validate'; |
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21 | } |
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22 | else |
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23 | { |
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24 | $comment_action='moderate'; |
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25 | } |
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26 | |
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27 | // author |
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28 | if (!is_classic_user()) |
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29 | { |
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30 | if (empty($comm['author'])) |
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31 | { |
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32 | $page['errors'][] = l10n('Please enter your username'); |
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33 | $comment_action='reject'; |
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34 | } |
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35 | else |
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36 | { |
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37 | $comm['author_id'] = $conf['guest_id']; |
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38 | // if a guest try to use the name of an already existing user, |
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39 | // he must be rejected |
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40 | $query = ' |
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41 | SELECT COUNT(*) AS user_exists |
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42 | FROM '.USERS_TABLE.' |
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43 | WHERE '.$conf['user_fields']['username']." = '".addslashes($comm['author'])."' |
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44 | ;"; |
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45 | $row = pwg_db_fetch_assoc(pwg_query($query)); |
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46 | |
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47 | if ($row['user_exists'] == 1) |
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48 | { |
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49 | $page['errors'][] = l10n('This login is already used by another user'); |
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50 | $comment_action='reject'; |
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51 | } |
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52 | } |
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53 | } |
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54 | else |
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55 | { |
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56 | $comm['author'] = addslashes($user['username']); |
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57 | $comm['author_id'] = $user['id']; |
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58 | } |
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59 | |
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60 | // content |
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61 | if (empty($comm['content'])) |
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62 | { |
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63 | $comment_action='reject'; |
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64 | } |
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65 | |
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66 | // key |
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67 | if (!verify_ephemeral_key(@$key)) |
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68 | { |
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69 | $comment_action='reject'; |
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70 | $_POST['cr'][] = 'key'; |
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71 | } |
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72 | |
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73 | // email |
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74 | if (empty($comm['email']) and is_classic_user() and !empty($user['email'])) |
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75 | { |
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76 | $comm['email'] = $user['email']; |
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77 | } |
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78 | else if (empty($comm['email']) and $conf['comments_email_mandatory']) |
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79 | { |
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80 | $page['errors'][] = l10n('mail address must be like xxx@yyy.eee (example : jack@altern.org)'); |
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81 | $comment_action='reject'; |
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82 | } |
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83 | else if (!empty($comm['email']) and !email_check_format($comm['email'])) |
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84 | { |
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85 | $page['errors'][] = l10n('mail address must be like xxx@yyy.eee (example : jack@altern.org)'); |
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86 | $comment_action='reject'; |
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87 | } |
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88 | |
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89 | // website |
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90 | if (!empty($comm['website'])) |
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91 | { |
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92 | $comm['website'] = strip_tags($comm['website']); |
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93 | if (!preg_match('/^(https?:\/\/)/i', $comm['website'])) |
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94 | { |
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95 | $comm['website'] = 'http://'.$comm['website']; |
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96 | } |
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97 | if (!url_check_format($comm['website'])) |
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98 | { |
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99 | $page['errors'][] = l10n('invalid website address'); |
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100 | $comment_action='reject'; |
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101 | } |
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102 | } |
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103 | |
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104 | // anonymous id = ip address |
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105 | $ip_components = explode('.', $_SERVER["REMOTE_ADDR"]); |
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106 | if (count($ip_components) > 3) |
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107 | { |
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108 | array_pop($ip_components); |
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109 | } |
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110 | $comm['anonymous_id'] = implode('.', $ip_components); |
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111 | |
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112 | // comment validation and anti-spam |
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113 | if ($comment_action!='reject' and $conf['anti-flood_time']>0 and !is_admin()) |
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114 | { |
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115 | $reference_date = pwg_db_get_flood_period_expression($conf['anti-flood_time']); |
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116 | |
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117 | $query = ' |
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118 | SELECT COUNT(1) FROM '.GUESTBOOK_TABLE.' |
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119 | WHERE |
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120 | date > '.$reference_date.' |
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121 | AND author_id = '.$comm['author_id']; |
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122 | if (!is_classic_user()) |
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123 | { |
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124 | $query.= ' |
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125 | AND anonymous_id = "'.$comm['anonymous_id'].'"'; |
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126 | } |
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127 | $query.= ' |
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128 | ;'; |
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129 | |
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130 | list($counter) = pwg_db_fetch_row(pwg_query($query)); |
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131 | if ($counter > 0) |
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132 | { |
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133 | $page['errors'][] = l10n('Anti-flood system : please wait for a moment before trying to post another comment'); |
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134 | $comment_action='reject'; |
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135 | } |
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136 | } |
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137 | |
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138 | // perform more spam check |
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139 | $comment_action = trigger_change('user_comment_check', $comment_action, $comm, 'guestbook'); |
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140 | |
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141 | if ($comment_action!='reject') |
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142 | { |
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143 | $query = ' |
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144 | INSERT INTO '.GUESTBOOK_TABLE.'( |
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145 | author, |
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146 | author_id, |
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147 | anonymous_id, |
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148 | content, |
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149 | date, |
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150 | validated, |
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151 | validation_date, |
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152 | website, |
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153 | rate, |
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154 | email |
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155 | ) |
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156 | VALUES ( |
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157 | \''.$comm['author'].'\', |
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158 | '.$comm['author_id'].', |
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159 | \''.$comm['anonymous_id'].'\', |
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160 | \''.$comm['content'].'\', |
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161 | NOW(), |
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162 | \''.($comment_action=='validate' ? 'true':'false').'\', |
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163 | '.($comment_action=='validate' ? 'NOW()':'NULL').', |
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164 | '.(!empty($comm['website']) ? '\''.$comm['website'].'\'' : 'NULL').', |
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165 | '.(!empty($comm['rate']) ? $comm['rate'] : 'NULL').', |
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166 | '.(!empty($comm['email']) ? '\''.$comm['email'].'\'' : 'NULL').' |
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167 | ) |
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168 | '; |
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169 | |
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170 | pwg_query($query); |
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171 | |
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172 | $comm['id'] = pwg_db_insert_id(GUESTBOOK_TABLE); |
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173 | |
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174 | if ( ($conf['guestbook']['email_admin_on_comment'] and 'validate' == $comment_action) |
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175 | or ($conf['guestbook']['email_admin_on_comment_validation'] and 'moderate' == $comment_action)) |
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176 | { |
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177 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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178 | |
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179 | $comment_url = add_url_params(GUESTBOOK_URL, array('comment_id'=>$comm['id'])); |
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180 | |
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181 | $keyargs_content = array( |
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182 | get_l10n_args('Author: %s', stripslashes($comm['author']) ), |
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183 | get_l10n_args('Comment: %s', stripslashes($comm['content']) ), |
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184 | get_l10n_args('', ''), |
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185 | get_l10n_args('Manage this user comment: %s', $comment_url) |
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186 | ); |
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187 | |
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188 | if ('moderate' == $comment_action) |
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189 | { |
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190 | $keyargs_content[] = get_l10n_args('', ''); |
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191 | $keyargs_content[] = get_l10n_args('(!) This comment requires validation', ''); |
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192 | } |
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193 | |
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194 | pwg_mail_notification_admins( |
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195 | get_l10n_args('Comment by %s', stripslashes($comm['author']) ), |
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196 | $keyargs_content |
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197 | ); |
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198 | } |
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199 | } |
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200 | |
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201 | return $comment_action; |
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202 | } |
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203 | |
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204 | function update_user_comment_guestbook($comment, $post_key) |
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205 | { |
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206 | global $conf; |
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207 | |
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208 | $comment_action = 'validate'; |
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209 | |
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210 | if (!verify_ephemeral_key($post_key)) |
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211 | { |
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212 | $comment_action='reject'; |
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213 | } |
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214 | else if (!$conf['guestbook']['comments_validation'] or is_admin()) // should the updated comment must be validated |
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215 | { |
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216 | $comment_action='validate'; |
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217 | } |
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218 | else |
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219 | { |
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220 | $comment_action='moderate'; |
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221 | } |
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222 | |
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223 | if ($comment_action!='reject') |
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224 | { |
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225 | $user_where_clause = ''; |
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226 | if (!is_admin()) |
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227 | { |
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228 | $user_where_clause = ' AND author_id = \''. |
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229 | $GLOBALS['user']['id'].'\''; |
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230 | } |
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231 | |
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232 | $query = ' |
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233 | UPDATE '.GUESTBOOK_TABLE.' |
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234 | SET content = \''.$comment['content'].'\', |
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235 | validated = \''.($comment_action=='validate' ? 'true':'false').'\', |
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236 | validation_date = '.($comment_action=='validate' ? 'NOW()':'NULL').' |
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237 | WHERE id = '.$comment['comment_id']. |
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238 | $user_where_clause.' |
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239 | ;'; |
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240 | $result = pwg_query($query); |
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241 | |
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242 | // mail admin and ask to validate the comment |
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243 | if ($result and $conf['guestbook']['email_admin_on_comment_validation'] and 'moderate' == $comment_action) |
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244 | { |
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245 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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246 | |
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247 | $comment_url = add_url_params(GUESTBOOK_URL, array('comment_id'=>$comm['id'])); |
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248 | |
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249 | $keyargs_content = array( |
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250 | get_l10n_args('Author: %s', stripslashes($GLOBALS['user']['username']) ), |
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251 | get_l10n_args('Comment: %s', stripslashes($comment['content']) ), |
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252 | get_l10n_args('', ''), |
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253 | get_l10n_args('Manage this user comment: %s', $comment_url), |
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254 | get_l10n_args('', ''), |
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255 | get_l10n_args('(!) This comment requires validation', ''), |
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256 | ); |
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257 | |
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258 | pwg_mail_notification_admins( |
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259 | get_l10n_args('Comment by %s', stripslashes($GLOBALS['user']['username']) ), |
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260 | $keyargs_content |
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261 | ); |
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262 | } |
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263 | } |
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264 | |
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265 | return $comment_action; |
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266 | } |
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267 | |
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268 | function get_comment_author_id_guestbook($comment_id, $die_on_error=true) |
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269 | { |
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270 | $query = ' |
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271 | SELECT |
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272 | author_id |
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273 | FROM '.GUESTBOOK_TABLE.' |
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274 | WHERE id = '.$comment_id.' |
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275 | ;'; |
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276 | $result = pwg_query($query); |
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277 | |
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278 | if (pwg_db_num_rows($result) == 0) |
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279 | { |
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280 | if ($die_on_error) |
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281 | { |
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282 | fatal_error('Unknown comment identifier'); |
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283 | } |
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284 | else |
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285 | { |
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286 | return false; |
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287 | } |
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288 | } |
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289 | |
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290 | list($author_id) = pwg_db_fetch_row($result); |
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291 | |
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292 | return $author_id; |
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293 | } |
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294 | |
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295 | function delete_user_comment_guestbook($comment_id) |
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296 | { |
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297 | $user_where_clause = ''; |
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298 | if (!is_admin()) |
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299 | { |
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300 | $user_where_clause = ' AND author_id = \''.$GLOBALS['user']['id'].'\''; |
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301 | } |
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302 | |
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303 | if (is_array($comment_id)) |
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304 | { |
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305 | $where_clause = 'id IN('.implode(',', $comment_id).')'; |
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306 | } |
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307 | else |
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308 | { |
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309 | $where_clause = 'id = '.$comment_id; |
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310 | } |
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311 | |
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312 | $query = ' |
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313 | DELETE FROM '.GUESTBOOK_TABLE.' |
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314 | WHERE '.$where_clause. |
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315 | $user_where_clause.' |
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316 | ;'; |
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317 | pwg_query($query); |
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318 | } |
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319 | |
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320 | function validate_user_comment_guestbook($comment_id) |
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321 | { |
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322 | if (is_array($comment_id)) |
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323 | { |
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324 | $where_clause = 'id IN('.implode(',', $comment_id).')'; |
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325 | } |
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326 | else |
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327 | { |
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328 | $where_clause = 'id = '.$comment_id; |
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329 | } |
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330 | |
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331 | $query = ' |
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332 | UPDATE '.GUESTBOOK_TABLE.' |
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333 | SET validated = \'true\' |
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334 | , validation_date = NOW() |
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335 | WHERE '.$where_clause.' |
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336 | ;'; |
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337 | pwg_query($query); |
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338 | } |
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