mod/poco.php

   1 <?php
   2
   3 // See here for a documentation for portable contacts:
   4 // https://web.archive.org/web/20160405005550/http://portablecontacts.net/draft-spec.html
   5
   6
   7 use Friendica\App;
   8 use Friendica\Content\Text\BBCode;
   9 use Friendica\Core\Cache;
  10 use Friendica\Core\Config;
  11 use Friendica\Core\System;
  12 use Friendica\Database\DBM;
  13 use Friendica\Protocol\PortableContact;
  14 use Friendica\Util\DateTimeFormat;
  15
  16 function poco_init(App $a) {
  17         $system_mode = false;
  18
  19         if (intval(Config::get('system', 'block_public')) || (Config::get('system', 'block_local_dir'))) {
  20                 System::httpExit(401);
  21         }
  22
  23         if ($a->argc > 1) {
  24                 $user = notags(trim($a->argv[1]));
  25         }
  26         if (empty($user)) {
  27                 $c = q("SELECT * FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1");
  28                 if (!DBM::is_result($c)) {
  29                         System::httpExit(401);
  30                 }
  31                 $system_mode = true;
  32         }
  33
  34         $format = defaults($_GET, 'format', 'json');
  35
  36         $justme = false;
  37         $global = false;
  38
  39         if ($a->argc > 1 && $a->argv[1] === '@server') {
  40                 // List of all servers that this server knows
  41                 $ret = PortableContact::serverlist();
  42                 header('Content-type: application/json');
  43                 echo json_encode($ret);
  44                 killme();
  45         }
  46
  47         if ($a->argc > 1 && $a->argv[1] === '@global') {
  48                 // List of all profiles that this server recently had data from
  49                 $global = true;
  50                 $update_limit = date(DateTimeFormat::MYSQL, time() - 30 * 86400);
  51         }
  52         if ($a->argc > 2 && $a->argv[2] === '@me') {
  53                 $justme = true;
  54         }
  55         if ($a->argc > 3 && $a->argv[3] === '@all') {
  56                 $justme = false;
  57         }
  58         if ($a->argc > 3 && $a->argv[3] === '@self') {
  59                 $justme = true;
  60         }
  61         if ($a->argc > 4 && intval($a->argv[4]) && $justme == false) {
  62                 $cid = intval($a->argv[4]);
  63         }
  64
  65         if (! $system_mode && ! $global) {
  66                 $users = q("SELECT `user`.*,`profile`.`hide-friends` from user left join profile on `user`.`uid` = `profile`.`uid`
  67                         where `user`.`nickname` = '%s' and `profile`.`is-default` = 1 limit 1",
  68                         dbesc($user)
  69                 );
  70                 if (! DBM::is_result($users) || $users[0]['hidewall'] || $users[0]['hide-friends']) {
  71                         System::httpExit(404);
  72                 }
  73
  74                 $user = $users[0];
  75         }
  76
  77         if ($justme) {
  78                 $sql_extra = " AND `contact`.`self` = 1 ";
  79         } else {
  80                 $sql_extra = "";
  81         }
  82
  83         if (!empty($cid)) {
  84                 $sql_extra = sprintf(" AND `contact`.`id` = %d ", intval($cid));
  85         }
  86         if (x($_GET, 'updatedSince')) {
  87                 $update_limit = date(DateTimeFormat::MYSQL, strtotime($_GET['updatedSince']));
  88         }
  89         if ($global) {
  90                 $contacts = q("SELECT count(*) AS `total` FROM `gcontact` WHERE `updated` >= '%s' AND `updated` >= `last_failure` AND NOT `hide` AND `network` IN ('%s', '%s', '%s')",
  91                         dbesc($update_limit),
  92                         dbesc(NETWORK_DFRN),
  93                         dbesc(NETWORK_DIASPORA),
  94                         dbesc(NETWORK_OSTATUS)
  95                 );
  96         } elseif ($system_mode) {
  97                 $contacts = q("SELECT count(*) AS `total` FROM `contact` WHERE `self` = 1
  98                         AND `uid` IN (SELECT `uid` FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1) ");
  99         } else {
 100                 $contacts = q("SELECT count(*) AS `total` FROM `contact` WHERE `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `hidden` = 0 AND `archive` = 0
 101                         AND (`success_update` >= `failure_update` OR `last-item` >= `failure_update`)
 102                         AND `network` IN ('%s', '%s', '%s', '%s') $sql_extra",
 103                         intval($user['uid']),
 104                         dbesc(NETWORK_DFRN),
 105                         dbesc(NETWORK_DIASPORA),
 106                         dbesc(NETWORK_OSTATUS),
 107                         dbesc(NETWORK_STATUSNET)
 108                 );
 109         }
 110         if (DBM::is_result($contacts)) {
 111                 $totalResults = intval($contacts[0]['total']);
 112         } else {
 113                 $totalResults = 0;
 114         }
 115         if (!empty($_GET['startIndex'])) {
 116                 $startIndex = intval($_GET['startIndex']);
 117         } else {
 118                 $startIndex = 0;
 119         }
 120         $itemsPerPage = ((x($_GET, 'count') && intval($_GET['count'])) ? intval($_GET['count']) : $totalResults);
 121
 122         if ($global) {
 123                 logger("Start global query", LOGGER_DEBUG);
 124                 $contacts = q("SELECT * FROM `gcontact` WHERE `updated` > '%s' AND NOT `hide` AND `network` IN ('%s', '%s', '%s') AND `updated` > `last_failure`
 125                         ORDER BY `updated` DESC LIMIT %d, %d",
 126                         dbesc($update_limit),
 127                         dbesc(NETWORK_DFRN),
 128                         dbesc(NETWORK_DIASPORA),
 129                         dbesc(NETWORK_OSTATUS),
 130                         intval($startIndex),
 131                         intval($itemsPerPage)
 132                 );
 133         } elseif ($system_mode) {
 134                 logger("Start system mode query", LOGGER_DEBUG);
 135                 $contacts = q("SELECT `contact`.*, `profile`.`about` AS `pabout`, `profile`.`locality` AS `plocation`, `profile`.`pub_keywords`,
 136                                 `profile`.`gender` AS `pgender`, `profile`.`address` AS `paddress`, `profile`.`region` AS `pregion`,
 137                                 `profile`.`postal-code` AS `ppostalcode`, `profile`.`country-name` AS `pcountry`, `user`.`account-type`
 138                         FROM `contact` INNER JOIN `profile` ON `profile`.`uid` = `contact`.`uid`
 139                                 INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 140                         WHERE `self` = 1 AND `profile`.`is-default`
 141                         AND `contact`.`uid` IN (SELECT `uid` FROM `pconfig` WHERE `cat` = 'system' AND `k` = 'suggestme' AND `v` = 1) LIMIT %d, %d",
 142                         intval($startIndex),
 143                         intval($itemsPerPage)
 144                 );
 145         } else {
 146                 logger("Start query for user " . $user['nickname'], LOGGER_DEBUG);
 147                 $contacts = q("SELECT * FROM `contact` WHERE `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `hidden` = 0 AND `archive` = 0
 148                         AND (`success_update` >= `failure_update` OR `last-item` >= `failure_update`)
 149                         AND `network` IN ('%s', '%s', '%s', '%s') $sql_extra LIMIT %d, %d",
 150                         intval($user['uid']),
 151                         dbesc(NETWORK_DFRN),
 152                         dbesc(NETWORK_DIASPORA),
 153                         dbesc(NETWORK_OSTATUS),
 154                         dbesc(NETWORK_STATUSNET),
 155                         intval($startIndex),
 156                         intval($itemsPerPage)
 157                 );
 158         }
 159         logger("Query done", LOGGER_DEBUG);
 160
 161         $ret = [];
 162         if (x($_GET, 'sorted')) {
 163                 $ret['sorted'] = false;
 164         }
 165         if (x($_GET, 'filtered')) {
 166                 $ret['filtered'] = false;
 167         }
 168         if (x($_GET, 'updatedSince') && ! $global) {
 169                 $ret['updatedSince'] = false;
 170         }
 171         $ret['startIndex']   = (int) $startIndex;
 172         $ret['itemsPerPage'] = (int) $itemsPerPage;
 173         $ret['totalResults'] = (int) $totalResults;
 174         $ret['entry']        = [];
 175
 176
 177         $fields_ret = [
 178                 'id' => false,
 179                 'displayName' => false,
 180                 'urls' => false,
 181                 'updated' => false,
 182                 'preferredUsername' => false,
 183                 'photos' => false,
 184                 'aboutMe' => false,
 185                 'currentLocation' => false,
 186                 'network' => false,
 187                 'gender' => false,
 188                 'tags' => false,
 189                 'address' => false,
 190                 'contactType' => false,
 191                 'generation' => false
 192         ];
 193
 194         if ((! x($_GET, 'fields')) || ($_GET['fields'] === '@all')) {
 195                 foreach ($fields_ret as $k => $v) {
 196                         $fields_ret[$k] = true;
 197                 }
 198         } else {
 199                 $fields_req = explode(',', $_GET['fields']);
 200                 foreach ($fields_req as $f) {
 201                         $fields_ret[trim($f)] = true;
 202                 }
 203         }
 204
 205         if (is_array($contacts)) {
 206                 if (DBM::is_result($contacts)) {
 207                         foreach ($contacts as $contact) {
 208                                 if (!isset($contact['updated'])) {
 209                                         $contact['updated'] = '';
 210                                 }
 211
 212                                 if (! isset($contact['generation'])) {
 213                                         if ($global) {
 214                                                 $contact['generation'] = 3;
 215                                         } elseif ($system_mode) {
 216                                                 $contact['generation'] = 1;
 217                                         } else {
 218                                                 $contact['generation'] = 2;
 219                                         }
 220                                 }
 221
 222                                 if (($contact['about'] == "") && isset($contact['pabout'])) {
 223                                         $contact['about'] = $contact['pabout'];
 224                                 }
 225                                 if ($contact['location'] == "") {
 226                                         if (isset($contact['plocation'])) {
 227                                                 $contact['location'] = $contact['plocation'];
 228                                         }
 229                                         if (isset($contact['pregion']) && ( $contact['pregion'] != "")) {
 230                                                 if ($contact['location'] != "") {
 231                                                         $contact['location'] .= ", ";
 232                                                 }
 233                                                 $contact['location'] .= $contact['pregion'];
 234                                         }
 235
 236                                         if (isset($contact['pcountry']) && ( $contact['pcountry'] != "")) {
 237                                                 if ($contact['location'] != "") {
 238                                                         $contact['location'] .= ", ";
 239                                                 }
 240                                                 $contact['location'] .= $contact['pcountry'];
 241                                         }
 242                                 }
 243
 244                                 if (($contact['gender'] == "") && isset($contact['pgender'])) {
 245                                         $contact['gender'] = $contact['pgender'];
 246                                 }
 247                                 if (($contact['keywords'] == "") && isset($contact['pub_keywords'])) {
 248                                         $contact['keywords'] = $contact['pub_keywords'];
 249                                 }
 250                                 if (isset($contact['account-type'])) {
 251                                         $contact['contact-type'] = $contact['account-type'];
 252                                 }
 253                                 $about = Cache::get("about:" . $contact['updated'] . ":" . $contact['nurl']);
 254                                 if (is_null($about)) {
 255                                         $about = BBCode::convert($contact['about'], false);
 256                                         Cache::set("about:" . $contact['updated'] . ":" . $contact['nurl'], $about);
 257                                 }
 258
 259                                 // Non connected persons can only see the keywords of a Diaspora account
 260                                 if ($contact['network'] == NETWORK_DIASPORA) {
 261                                         $contact['location'] = "";
 262                                         $about = "";
 263                                         $contact['gender'] = "";
 264                                 }
 265
 266                                 $entry = [];
 267                                 if ($fields_ret['id']) {
 268                                         $entry['id'] = (int)$contact['id'];
 269                                 }
 270                                 if ($fields_ret['displayName']) {
 271                                         $entry['displayName'] = $contact['name'];
 272                                 }
 273                                 if ($fields_ret['aboutMe']) {
 274                                         $entry['aboutMe'] = $about;
 275                                 }
 276                                 if ($fields_ret['currentLocation']) {
 277                                         $entry['currentLocation'] = $contact['location'];
 278                                 }
 279                                 if ($fields_ret['gender']) {
 280                                         $entry['gender'] = $contact['gender'];
 281                                 }
 282                                 if ($fields_ret['generation']) {
 283                                         $entry['generation'] = (int)$contact['generation'];
 284                                 }
 285                                 if ($fields_ret['urls']) {
 286                                         $entry['urls'] = [['value' => $contact['url'], 'type' => 'profile']];
 287                                         if ($contact['addr'] && ($contact['network'] !== NETWORK_MAIL)) {
 288                                                 $entry['urls'][] = ['value' => 'acct:' . $contact['addr'], 'type' => 'webfinger'];
 289                                         }
 290                                 }
 291                                 if ($fields_ret['preferredUsername']) {
 292                                         $entry['preferredUsername'] = $contact['nick'];
 293                                 }
 294                                 if ($fields_ret['updated']) {
 295                                         if (! $global) {
 296                                                 $entry['updated'] = $contact['success_update'];
 297
 298                                                 if ($contact['name-date'] > $entry['updated']) {
 299                                                         $entry['updated'] = $contact['name-date'];
 300                                                 }
 301                                                 if ($contact['uri-date'] > $entry['updated']) {
 302                                                         $entry['updated'] = $contact['uri-date'];
 303                                                 }
 304                                                 if ($contact['avatar-date'] > $entry['updated']) {
 305                                                         $entry['updated'] = $contact['avatar-date'];
 306                                                 }
 307                                         } else {
 308                                                 $entry['updated'] = $contact['updated'];
 309                                         }
 310                                         $entry['updated'] = date("c", strtotime($entry['updated']));
 311                                 }
 312                                 if ($fields_ret['photos']) {
 313                                         $entry['photos'] = [['value' => $contact['photo'], 'type' => 'profile']];
 314                                 }
 315                                 if ($fields_ret['network']) {
 316                                         $entry['network'] = $contact['network'];
 317                                         if ($entry['network'] == NETWORK_STATUSNET) {
 318                                                 $entry['network'] = NETWORK_OSTATUS;
 319                                         }
 320                                         if (($entry['network'] == "") && ($contact['self'])) {
 321                                                 $entry['network'] = NETWORK_DFRN;
 322                                         }
 323                                 }
 324                                 if ($fields_ret['tags']) {
 325                                         $tags = str_replace(",", " ", $contact['keywords']);
 326                                         $tags = explode(" ", $tags);
 327
 328                                         $cleaned = [];
 329                                         foreach ($tags as $tag) {
 330                                                 $tag = trim(strtolower($tag));
 331                                                 if ($tag != "") {
 332                                                         $cleaned[] = $tag;
 333                                                 }
 334                                         }
 335
 336                                         $entry['tags'] = [$cleaned];
 337                                 }
 338                                 if ($fields_ret['address']) {
 339                                         $entry['address'] = [];
 340
 341                                         // Deactivated. It just reveals too much data. (Although its from the default profile)
 342                                         //if (isset($rr['paddress']))
 343                                         //       $entry['address']['streetAddress'] = $rr['paddress'];
 344
 345                                         if (isset($contact['plocation'])) {
 346                                                 $entry['address']['locality'] = $contact['plocation'];
 347                                         }
 348                                         if (isset($contact['pregion'])) {
 349                                                 $entry['address']['region'] = $contact['pregion'];
 350                                         }
 351                                         // See above
 352                                         //if (isset($rr['ppostalcode']))
 353                                         //       $entry['address']['postalCode'] = $rr['ppostalcode'];
 354
 355                                         if (isset($contact['pcountry'])) {
 356                                                 $entry['address']['country'] = $contact['pcountry'];
 357                                         }
 358                                 }
 359
 360                                 if ($fields_ret['contactType']) {
 361                                         $entry['contactType'] = intval($contact['contact-type']);
 362                                 }
 363                                 $ret['entry'][] = $entry;
 364                         }
 365                 } else {
 366                         $ret['entry'][] = [];
 367                 }
 368         } else {
 369                 System::httpExit(500);
 370         }
 371         logger("End of poco", LOGGER_DEBUG);
 372
 373         if ($format === 'xml') {
 374                 header('Content-type: text/xml');
 375                 echo replace_macros(get_markup_template('poco_xml.tpl'), array_xmlify(['$response' => $ret]));
 376                 killme();
 377         }
 378         if ($format === 'json') {
 379                 header('Content-type: application/json');
 380                 echo json_encode($ret);
 381                 killme();
 382         } else {
 383                 System::httpExit(500);
 384         }
 385 }