src/Core/UserImport.php

   1 <?php
   2 /**
   3  * @file src/Core/UserImport.php
   4  */
   5 namespace Friendica\Core;
   6
   7 use Friendica\App;
   8 use Friendica\Core\System;
   9 use Friendica\Core\PConfig;
  10 use Friendica\Core\Worker;
  11 use Friendica\Database\DBM;
  12 use Friendica\Model\Photo;
  13 use Friendica\Object\Image;
  14 use dba;
  15
  16 require_once "include/dba.php";
  17
  18 /**
  19  * @brief UserImport class
  20  */
  21 class UserImport
  22 {
  23         const IMPORT_DEBUG = false;
  24
  25         private static function lastInsertId()
  26         {
  27                 if (self::IMPORT_DEBUG) {
  28                         return 1;
  29                 }
  30
  31                 return dba::lastInsertId();
  32         }
  33
  34         /**
  35          * Remove columns from array $arr that aren't in table $table
  36          *
  37          * @param string $table Table name
  38          * @param array &$arr Column=>Value array from json (by ref)
  39          */
  40         private static function checkCols($table, &$arr)
  41         {
  42                 $query = sprintf("SHOW COLUMNS IN `%s`", dbesc($table));
  43                 logger("uimport: $query", LOGGER_DEBUG);
  44                 $r = q($query);
  45                 $tcols = [];
  46                 // get a plain array of column names
  47                 foreach ($r as $tcol) {
  48                         $tcols[] = $tcol['Field'];
  49                 }
  50                 // remove inexistent columns
  51                 foreach ($arr as $icol => $ival) {
  52                         if (!in_array($icol, $tcols)) {
  53                                 unset($arr[$icol]);
  54                         }
  55                 }
  56         }
  57
  58         /**
  59          * Import data into table $table
  60          *
  61          * @param string $table Table name
  62          * @param array $arr Column=>Value array from json
  63          */
  64         private static function dbImportAssoc($table, $arr)
  65         {
  66                 if (isset($arr['id'])) {
  67                         unset($arr['id']);
  68                 }
  69
  70                 self::check_cols($table, $arr);
  71                 $cols = implode("`,`", array_map('dbesc', array_keys($arr)));
  72                 $vals = implode("','", array_map('dbesc', array_values($arr)));
  73                 $query = "INSERT INTO `$table` (`$cols`) VALUES ('$vals')";
  74                 logger("uimport: $query", LOGGER_TRACE);
  75
  76                 if (self::IMPORT_DEBUG) {
  77                         return true;
  78                 }
  79
  80                 return q($query);
  81         }
  82
  83         /**
  84          * @brief Import account file exported from mod/uexport
  85          *
  86          * @param App $a Friendica App Class
  87          * @param array $file array from $_FILES
  88          */
  89         public static function importAccount(App $a, $file)
  90         {
  91                 logger("Start user import from " . $file['tmp_name']);
  92                 /*
  93                 STEPS
  94                 1. checks
  95                 2. replace old baseurl with new baseurl
  96                 3. import data (look at user id and contacts id)
  97                 4. archive non-dfrn contacts
  98                 5. send message to dfrn contacts
  99                 */
 100
 101                 $account = json_decode(file_get_contents($file['tmp_name']), true);
 102                 if ($account === null) {
 103                         notice(t("Error decoding account file"));
 104                         return;
 105                 }
 106
 107
 108                 if (!x($account, 'version')) {
 109                         notice(t("Error! No version data in file! This is not a Friendica account file?"));
 110                         return;
 111                 }
 112
 113                 // check for username
 114                 $r = dba::selectFirst('user', ['uid'], ['nickname' => $account['user']['nickname']]);
 115                 if ($r === false) {
 116                         logger("uimport:check nickname : ERROR : " . dba::errorMessage(), LOGGER_NORMAL);
 117                         notice(t('Error! Cannot check nickname'));
 118                         return;
 119                 }
 120
 121                 if (DBM::is_result($r) > 0) {
 122                         notice(sprintf(t("User '%s' already exists on this server!"), $account['user']['nickname']));
 123                         return;
 124                 }
 125
 126                 // check if username matches deleted account
 127                 $r = dba::selectFirst('userd', ['id'], ['username' => $account['user']['nickname']]);
 128                 if ($r === false) {
 129                         logger("uimport:check nickname : ERROR : " . dba::errorMessage(), LOGGER_NORMAL);
 130                         notice(t('Error! Cannot check nickname'));
 131                         return;
 132                 }
 133
 134                 if (DBM::is_result($r) > 0) {
 135                         notice(sprintf(t("User '%s' already exists on this server!"), $account['user']['nickname']));
 136                         return;
 137                 }
 138
 139                 $oldbaseurl = $account['baseurl'];
 140                 $newbaseurl = System::baseUrl();
 141
 142                 $oldaddr = str_replace('http://', '@', normalise_link($oldbaseurl));
 143                 $newaddr = str_replace('http://', '@', normalise_link($newbaseurl));
 144
 145                 if (!empty($account['profile']['addr'])) {
 146                         $old_handle = $account['profile']['addr'];
 147                 } else {
 148                         $old_handle = $account['user']['nickname'].$oldaddr;
 149                 }
 150
 151                 $olduid = $account['user']['uid'];
 152
 153                 unset($account['user']['uid']);
 154                 unset($account['user']['account_expired']);
 155                 unset($account['user']['account_expires_on']);
 156                 unset($account['user']['expire_notification_sent']);
 157
 158                 $callback = function (&$value) use ($oldbaseurl, $oldaddr, $newbaseurl, $newaddr) {
 159                         $value =  str_replace([$oldbaseurl, $oldaddr], [$newbaseurl, $newaddr], $value);
 160                 };
 161
 162                 array_walk($account['user'], $callback);
 163
 164                 // import user
 165                 $r = self::dbImportAssoc('user', $account['user']);
 166                 if ($r === false) {
 167                         logger("uimport:insert user : ERROR : " . dba::errorMessage(), LOGGER_NORMAL);
 168                         notice(t("User creation error"));
 169                         return;
 170                 }
 171                 $newuid = self::lastInsertId();
 172
 173                 PConfig::set($newuid, 'system', 'previous_addr', $old_handle);
 174
 175                 // Generate a new guid for the account. Otherwise there will be problems with diaspora
 176                 dba::update('user', ['guid' => generate_user_guid()], ['uid' => $newuid]);
 177
 178                 foreach ($account['profile'] as &$profile) {
 179                         foreach ($profile as $k => &$v) {
 180                                 $v = str_replace([$oldbaseurl, $oldaddr], [$newbaseurl, $newaddr], $v);
 181                                 foreach (["profile", "avatar"] as $k) {
 182                                         $v = str_replace($oldbaseurl . "/photo/" . $k . "/" . $olduid . ".jpg", $newbaseurl . "/photo/" . $k . "/" . $newuid . ".jpg", $v);
 183                                 }
 184                         }
 185                         $profile['uid'] = $newuid;
 186                         $r = self::dbImportAssoc('profile', $profile);
 187                         if ($r === false) {
 188                                 logger("uimport:insert profile " . $profile['profile-name'] . " : ERROR : " . dba::errorMessage(), LOGGER_NORMAL);
 189                                 info(t("User profile creation error"));
 190                                 dba::delete('user', ['uid' => $newuid]);
 191                                 return;
 192                         }
 193                 }
 194
 195                 $errorcount = 0;
 196                 foreach ($account['contact'] as &$contact) {
 197                         if ($contact['uid'] == $olduid && $contact['self'] == '1') {
 198                                 foreach ($contact as $k => &$v) {
 199                                         $v = str_replace([$oldbaseurl, $oldaddr], [$newbaseurl, $newaddr], $v);
 200                                         foreach (["profile", "avatar", "micro"] as $k) {
 201                                                 $v = str_replace($oldbaseurl . "/photo/" . $k . "/" . $olduid . ".jpg", $newbaseurl . "/photo/" . $k . "/" . $newuid . ".jpg", $v);
 202                                         }
 203                                 }
 204                         }
 205                         if ($contact['uid'] == $olduid && $contact['self'] == '0') {
 206                                 // set contacts 'avatar-date' to NULL_DATE to let worker to update urls
 207                                 $contact["avatar-date"] = NULL_DATE;
 208
 209                                 switch ($contact['network']) {
 210                                         case NETWORK_DFRN:
 211                                         case NETWORK_DIASPORA:
 212                                                 //  send relocate message (below)
 213                                                 break;
 214                                         case NETWORK_FEED:
 215                                         case NETWORK_MAIL:
 216                                                 // Nothing to do
 217                                                 break;
 218                                         default:
 219                                                 // archive other contacts
 220                                                 $contact['archive'] = "1";
 221                                 }
 222                         }
 223                         $contact['uid'] = $newuid;
 224                         $r = self::dbImportAssoc('contact', $contact);
 225                         if ($r === false) {
 226                                 logger("uimport:insert contact " . $contact['nick'] . "," . $contact['network'] . " : ERROR : " . dba::errorMessage(), LOGGER_NORMAL);
 227                                 $errorcount++;
 228                         } else {
 229                                 $contact['newid'] = self::lastInsertId();
 230                         }
 231                 }
 232                 if ($errorcount > 0) {
 233                         notice(sprintf(tt("%d contact not imported", "%d contacts not imported", $errorcount), $errorcount));
 234                 }
 235
 236                 foreach ($account['group'] as &$group) {
 237                         $group['uid'] = $newuid;
 238                         $r = self::dbImportAssoc('group', $group);
 239                         if ($r === false) {
 240                                 logger("uimport:insert group " . $group['name'] . " : ERROR : " . dba::errorMessage(), LOGGER_NORMAL);
 241                         } else {
 242                                 $group['newid'] = self::lastInsertId();
 243                         }
 244                 }
 245
 246                 foreach ($account['group_member'] as &$group_member) {
 247                         $import = 0;
 248                         foreach ($account['group'] as $group) {
 249                                 if ($group['id'] == $group_member['gid'] && isset($group['newid'])) {
 250                                         $group_member['gid'] = $group['newid'];
 251                                         $import++;
 252                                         break;
 253                                 }
 254                         }
 255                         foreach ($account['contact'] as $contact) {
 256                                 if ($contact['id'] == $group_member['contact-id'] && isset($contact['newid'])) {
 257                                         $group_member['contact-id'] = $contact['newid'];
 258                                         $import++;
 259                                         break;
 260                                 }
 261                         }
 262                         if ($import == 2) {
 263                                 $r = self::dbImportAssoc('group_member', $group_member);
 264                                 if ($r === false) {
 265                                         logger("uimport:insert group member " . $group_member['id'] . " : ERROR : " . dba::errorMessage(), LOGGER_NORMAL);
 266                                 }
 267                         }
 268                 }
 269
 270                 foreach ($account['photo'] as &$photo) {
 271                         $photo['uid'] = $newuid;
 272                         $photo['data'] = hex2bin($photo['data']);
 273
 274                         $Image = new Image($photo['data'], $photo['type']);
 275                         $r = Photo::store(
 276                                 $Image,
 277                                 $photo['uid'], $photo['contact-id'], //0
 278                                 $photo['resource-id'], $photo['filename'], $photo['album'], $photo['scale'], $photo['profile'], //1
 279                                 $photo['allow_cid'], $photo['allow_gid'], $photo['deny_cid'], $photo['deny_gid']
 280                         );
 281
 282                         if ($r === false) {
 283                                 logger("uimport:insert photo " . $photo['resource-id'] . "," . $photo['scale'] . " : ERROR : " . dba::errorMessage(), LOGGER_NORMAL);
 284                         }
 285                 }
 286
 287                 foreach ($account['pconfig'] as &$pconfig) {
 288                         $pconfig['uid'] = $newuid;
 289                         $r = self::dbImportAssoc('pconfig', $pconfig);
 290                         if ($r === false) {
 291                                 logger("uimport:insert pconfig " . $pconfig['id'] . " : ERROR : " . dba::errorMessage(), LOGGER_NORMAL);
 292                         }
 293                 }
 294
 295                 // send relocate messages
 296                 Worker::add(PRIORITY_HIGH, 'Notifier', 'relocate', $newuid);
 297
 298                 info(t("Done. You can now login with your username and password"));
 299                 goaway(System::baseUrl() . "/login");
 300         }
 301 }