1 | <?php |
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2 | // +-----------------------------------------------------------------------+ |
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3 | // | Piwigo - a PHP based photo gallery | |
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4 | // +-----------------------------------------------------------------------+ |
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5 | // | Copyright(C) 2008-2012 Piwigo Team http://piwigo.org | |
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6 | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | |
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7 | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | |
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8 | // +-----------------------------------------------------------------------+ |
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9 | // | This program is free software; you can redistribute it and/or modify | |
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10 | // | it under the terms of the GNU General Public License as published by | |
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11 | // | the Free Software Foundation | |
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12 | // | | |
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13 | // | This program is distributed in the hope that it will be useful, but | |
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14 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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15 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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16 | // | General Public License for more details. | |
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17 | // | | |
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18 | // | You should have received a copy of the GNU General Public License | |
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19 | // | along with this program; if not, write to the Free Software | |
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20 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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21 | // | USA. | |
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22 | // +-----------------------------------------------------------------------+ |
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23 | |
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24 | // +-----------------------------------------------------------------------+ |
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25 | // | initialization | |
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26 | // +-----------------------------------------------------------------------+ |
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27 | |
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28 | define('PHPWG_ROOT_PATH','./'); |
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29 | include_once( PHPWG_ROOT_PATH.'include/common.inc.php' ); |
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30 | include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php'); |
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31 | |
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32 | // +-----------------------------------------------------------------------+ |
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33 | // | Check Access and exit when user status is not ok | |
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34 | // +-----------------------------------------------------------------------+ |
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35 | |
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36 | check_status(ACCESS_FREE); |
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37 | |
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38 | // +-----------------------------------------------------------------------+ |
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39 | // | Functions | |
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40 | // +-----------------------------------------------------------------------+ |
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41 | |
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42 | /** |
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43 | * checks the validity of input parameters, fills $page['errors'] and |
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44 | * $page['infos'] and send an email with confirmation link |
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45 | * |
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46 | * @return bool (true if email was sent, false otherwise) |
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47 | */ |
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48 | function process_password_request() |
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49 | { |
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50 | global $page, $conf; |
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51 | |
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52 | if (empty($_POST['username_or_email'])) |
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53 | { |
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54 | array_push($page['errors'], l10n('Invalid username or email')); |
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55 | return false; |
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56 | } |
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57 | |
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58 | $user_id = get_userid_by_email($_POST['username_or_email']); |
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59 | |
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60 | if (!is_numeric($user_id)) |
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61 | { |
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62 | $user_id = get_userid($_POST['username_or_email']); |
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63 | } |
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64 | |
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65 | if (!is_numeric($user_id)) |
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66 | { |
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67 | array_push($page['errors'], l10n('Invalid username or email')); |
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68 | return false; |
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69 | } |
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70 | |
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71 | $userdata = getuserdata($user_id, false); |
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72 | |
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73 | // password request is not possible for guest/generic users |
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74 | $status = $userdata['status']; |
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75 | if (is_a_guest($status) or is_generic($status)) |
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76 | { |
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77 | array_push($page['errors'], l10n('Password reset is not allowed for this user')); |
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78 | return false; |
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79 | } |
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80 | |
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81 | if (empty($userdata['email'])) |
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82 | { |
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83 | array_push( |
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84 | $page['errors'], |
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85 | sprintf( |
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86 | l10n('User "%s" has no email address, password reset is not possible'), |
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87 | $userdata['username'] |
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88 | ) |
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89 | ); |
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90 | return false; |
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91 | } |
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92 | |
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93 | if (empty($userdata['activation_key'])) |
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94 | { |
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95 | $activation_key = get_user_activation_key(); |
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96 | |
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97 | single_update( |
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98 | USER_INFOS_TABLE, |
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99 | array('activation_key' => $activation_key), |
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100 | array('user_id' => $user_id) |
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101 | ); |
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102 | |
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103 | $userdata['activation_key'] = $activation_key; |
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104 | } |
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105 | |
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106 | set_make_full_url(); |
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107 | |
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108 | $message = l10n('Someone requested that the password be reset for the following user account:') . "\r\n\r\n"; |
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109 | $message.= sprintf( |
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110 | l10n('Username "%s" on gallery %s'), |
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111 | $userdata['username'], |
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112 | get_gallery_home_url() |
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113 | ); |
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114 | $message.= "\r\n\r\n"; |
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115 | $message.= l10n('To reset your password, visit the following address:') . "\r\n"; |
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116 | $message.= get_gallery_home_url().'/password.php?key='.$userdata['activation_key']."\r\n\r\n"; |
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117 | $message.= l10n('If this was a mistake, just ignore this email and nothing will happen.')."\r\n"; |
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118 | |
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119 | unset_make_full_url(); |
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120 | |
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121 | $message = trigger_event('render_lost_password_mail_content', $message); |
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122 | |
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123 | $email_params = array( |
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124 | 'subject' => '['.$conf['gallery_title'].'] '.l10n('Password Reset'), |
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125 | 'content' => $message, |
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126 | 'email_format' => 'text/plain', |
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127 | ); |
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128 | |
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129 | if (pwg_mail($userdata['email'], $email_params)) |
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130 | { |
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131 | array_push($page['infos'], l10n('Check your email for the confirmation link')); |
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132 | return true; |
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133 | } |
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134 | else |
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135 | { |
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136 | array_push($page['errors'], l10n('Error sending email')); |
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137 | return false; |
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138 | } |
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139 | } |
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140 | |
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141 | /** |
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142 | * checks the activation key: does it match the expected pattern? is it |
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143 | * linked to a user? is this user allowed to reset his password? |
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144 | * |
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145 | * @return mixed (user_id if OK, false otherwise) |
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146 | */ |
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147 | function check_password_reset_key($key) |
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148 | { |
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149 | global $page; |
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150 | |
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151 | if (!preg_match('/^[a-z0-9]{20}$/i', $key)) |
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152 | { |
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153 | array_push($page['errors'], l10n('Invalid key')); |
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154 | return false; |
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155 | } |
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156 | |
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157 | $query = ' |
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158 | SELECT |
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159 | user_id, |
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160 | status |
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161 | FROM '.USER_INFOS_TABLE.' |
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162 | WHERE activation_key = \''.$key.'\' |
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163 | ;'; |
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164 | $result = pwg_query($query); |
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165 | |
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166 | if (pwg_db_num_rows($result) == 0) |
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167 | { |
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168 | array_push($page['errors'], l10n('Invalid key')); |
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169 | return false; |
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170 | } |
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171 | |
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172 | $userdata = pwg_db_fetch_assoc($result); |
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173 | |
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174 | if (is_a_guest($userdata['status']) or is_generic($userdata['status'])) |
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175 | { |
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176 | array_push($page['errors'], l10n('Password reset is not allowed for this user')); |
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177 | return false; |
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178 | } |
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179 | |
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180 | return $userdata['user_id']; |
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181 | } |
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182 | |
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183 | /** |
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184 | * checks the passwords, checks that user is allowed to reset his password, |
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185 | * update password, fills $page['errors'] and $page['infos']. |
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186 | * |
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187 | * @return bool (true if password was reset, false otherwise) |
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188 | */ |
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189 | function reset_password() |
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190 | { |
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191 | global $page, $user, $conf; |
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192 | |
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193 | if ($_POST['use_new_pwd'] != $_POST['passwordConf']) |
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194 | { |
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195 | array_push($page['errors'], l10n('The passwords do not match')); |
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196 | return false; |
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197 | } |
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198 | |
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199 | if (isset($_GET['key'])) |
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200 | { |
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201 | $user_id = check_password_reset_key($_GET['key']); |
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202 | if (!is_numeric($user_id)) |
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203 | { |
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204 | array_push($page['errors'], l10n('Invalid key')); |
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205 | return false; |
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206 | } |
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207 | } |
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208 | else |
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209 | { |
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210 | // we check the currently logged in user |
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211 | if (is_a_guest() or is_generic()) |
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212 | { |
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213 | array_push($page['errors'], l10n('Password reset is not allowed for this user')); |
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214 | return false; |
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215 | } |
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216 | |
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217 | $user_id = $user['id']; |
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218 | } |
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219 | |
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220 | single_update( |
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221 | USERS_TABLE, |
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222 | array($conf['user_fields']['password'] => $conf['pass_convert']($_POST['use_new_pwd'])), |
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223 | array($conf['user_fields']['id'] => $user_id) |
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224 | ); |
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225 | |
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226 | array_push($page['infos'], l10n('Your password has been reset')); |
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227 | |
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228 | if (isset($_GET['key'])) |
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229 | { |
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230 | array_push($page['infos'], '<a href="'.get_root_url().'identification.php">'.l10n('Login').'</a>'); |
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231 | } |
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232 | else |
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233 | { |
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234 | array_push($page['infos'], '<a href="'.get_gallery_home_url().'">'.l10n('Return to home page').'</a>'); |
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235 | } |
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236 | |
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237 | return true; |
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238 | } |
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239 | |
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240 | // +-----------------------------------------------------------------------+ |
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241 | // | Process form | |
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242 | // +-----------------------------------------------------------------------+ |
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243 | if (isset($_POST['submit'])) |
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244 | { |
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245 | check_pwg_token(); |
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246 | |
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247 | if ('lost' == $_GET['action']) |
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248 | { |
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249 | if (process_password_request()) |
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250 | { |
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251 | $page['action'] = 'none'; |
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252 | } |
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253 | } |
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254 | |
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255 | if ('reset' == $_GET['action']) |
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256 | { |
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257 | if (reset_password()) |
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258 | { |
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259 | $page['action'] = 'none'; |
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260 | } |
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261 | } |
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262 | } |
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263 | |
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264 | // +-----------------------------------------------------------------------+ |
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265 | // | key and action | |
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266 | // +-----------------------------------------------------------------------+ |
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267 | |
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268 | // a connected user can't reset the password from a mail |
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269 | if (isset($_GET['key']) and !is_a_guest()) |
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270 | { |
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271 | unset($_GET['key']); |
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272 | } |
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273 | |
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274 | if (isset($_GET['key'])) |
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275 | { |
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276 | $user_id = check_password_reset_key($_GET['key']); |
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277 | if (is_numeric($user_id)) |
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278 | { |
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279 | $userdata = getuserdata($user_id, false); |
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280 | $page['username'] = $userdata['username']; |
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281 | $template->assign('key', $_GET['key']); |
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282 | |
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283 | if (!isset($page['action'])) |
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284 | { |
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285 | $page['action'] = 'reset'; |
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286 | } |
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287 | } |
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288 | else |
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289 | { |
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290 | $page['action'] = 'none'; |
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291 | } |
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292 | } |
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293 | |
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294 | if (!isset($page['action'])) |
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295 | { |
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296 | if (!isset($_GET['action'])) |
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297 | { |
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298 | $page['action'] = 'lost'; |
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299 | } |
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300 | elseif (in_array($_GET['action'], array('lost', 'reset', 'none'))) |
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301 | { |
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302 | $page['action'] = $_GET['action']; |
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303 | } |
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304 | } |
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305 | |
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306 | if ('reset' == $page['action'] and !isset($_GET['key']) and (is_a_guest() or is_generic())) |
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307 | { |
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308 | redirect(get_gallery_home_url()); |
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309 | } |
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310 | |
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311 | if ('lost' == $page['action'] and !is_a_guest()) |
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312 | { |
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313 | redirect(get_gallery_home_url()); |
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314 | } |
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315 | |
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316 | // +-----------------------------------------------------------------------+ |
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317 | // | template initialization | |
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318 | // +-----------------------------------------------------------------------+ |
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319 | |
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320 | $title = l10n('Password Reset'); |
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321 | if ('lost' == $page['action']) |
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322 | { |
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323 | $title = l10n('Forgot your password?'); |
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324 | |
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325 | if (isset($_POST['username_or_email'])) |
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326 | { |
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327 | $template->assign('username_or_email', stripslashes(strip_tags($_POST['username_or_email']))); |
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328 | } |
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329 | } |
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330 | |
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331 | $page['body_id'] = 'thePasswordPage'; |
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332 | |
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333 | $template->set_filenames(array('password'=>'password.tpl')); |
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334 | $template->assign( |
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335 | array( |
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336 | 'title' => $title, |
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337 | 'form_action'=> get_root_url().'password.php', |
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338 | 'action' => $page['action'], |
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339 | 'username' => isset($page['username']) ? $page['username'] : $user['username'], |
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340 | 'PWG_TOKEN' => get_pwg_token(), |
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341 | ) |
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342 | ); |
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343 | |
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344 | |
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345 | // include menubar |
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346 | $themeconf = $template->get_template_vars('themeconf'); |
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347 | if (!isset($themeconf['hide_menu_on']) OR !in_array('thePasswordPage', $themeconf['hide_menu_on'])) |
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348 | { |
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349 | include( PHPWG_ROOT_PATH.'include/menubar.inc.php'); |
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350 | } |
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351 | |
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352 | // +-----------------------------------------------------------------------+ |
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353 | // | html code display | |
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354 | // +-----------------------------------------------------------------------+ |
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355 | |
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356 | include(PHPWG_ROOT_PATH.'include/page_header.php'); |
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357 | include(PHPWG_ROOT_PATH.'include/page_messages.php'); |
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358 | $template->pparse('password'); |
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359 | include(PHPWG_ROOT_PATH.'include/page_tail.php'); |
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360 | |
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361 | ?> |
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