src/Model/FContact.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2020, Friendica
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Model;
  23
  24 use Friendica\Core\Logger;
  25 use Friendica\Core\Protocol;
  26 use Friendica\Database\DBA;
  27 use Friendica\DI;
  28 use Friendica\Model\Notify\Type;
  29 use Friendica\Network\Probe;
  30 use Friendica\Protocol\Activity;
  31 use Friendica\Util\DateTimeFormat;
  32 use Friendica\Util\Strings;
  33
  34 class FContact
  35 {
  36         /**
  37          * Fetches data for a given handle
  38          *
  39          * @param string $handle The handle
  40          * @param boolean $update true = always update, false = never update, null = update when not found or outdated
  41          *
  42          * @return array the queried data
  43          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  44          * @throws \ImagickException
  45          */
  46         public static function getByURL($handle, $update = null)
  47         {
  48                 $person = DBA::selectFirst('fcontact', [], ['network' => Protocol::DIASPORA, 'addr' => $handle]);
  49                 if (!DBA::isResult($person)) {
  50                         $urls = [$handle, str_replace('http://', 'https://', $handle), Strings::normaliseLink($handle)];
  51                         $person = DBA::selectFirst('fcontact', [], ['network' => Protocol::DIASPORA, 'url' => $urls]);
  52                 }
  53
  54                 if (DBA::isResult($person)) {
  55                         Logger::debug('In cache', ['person' => $person]);
  56
  57                         if (is_null($update)) {
  58                                 // update record occasionally so it doesn't get stale
  59                                 $d = strtotime($person["updated"]." +00:00");
  60                                 if ($d < strtotime("now - 14 days")) {
  61                                         $update = true;
  62                                 }
  63
  64                                 if ($person["guid"] == "") {
  65                                         $update = true;
  66                                 }
  67                         }
  68                 } elseif (is_null($update)) {
  69                         $update = !DBA::isResult($person);
  70                 } else {
  71                         $person = [];
  72                 }
  73
  74                 if ($update) {
  75                         Logger::info('create or refresh', ['handle' => $handle]);
  76                         $r = Probe::uri($handle, Protocol::DIASPORA);
  77
  78                         // Note that Friendica contacts will return a "Diaspora person"
  79                         // if Diaspora connectivity is enabled on their server
  80                         if ($r && ($r["network"] === Protocol::DIASPORA)) {
  81                                 self::updateFContact($r);
  82
  83                                 $person = self::getByURL($handle, false);
  84                         }
  85                 }
  86
  87                 return $person;
  88         }
  89
  90         /**
  91          * Updates the fcontact table
  92          *
  93          * @param array $arr The fcontact data
  94          * @throws \Exception
  95          */
  96         private static function updateFContact($arr)
  97         {
  98                 $fields = ['name' => $arr["name"], 'photo' => $arr["photo"],
  99                         'request' => $arr["request"], 'nick' => $arr["nick"],
 100                         'addr' => strtolower($arr["addr"]), 'guid' => $arr["guid"],
 101                         'batch' => $arr["batch"], 'notify' => $arr["notify"],
 102                         'poll' => $arr["poll"], 'confirm' => $arr["confirm"],
 103                         'alias' => $arr["alias"], 'pubkey' => $arr["pubkey"],
 104                         'updated' => DateTimeFormat::utcNow()];
 105
 106                 $condition = ['url' => $arr["url"], 'network' => $arr["network"]];
 107
 108                 DBA::update('fcontact', $fields, $condition, true);
 109         }
 110
 111         /**
 112          * get a url (scheme://domain.tld/u/user) from a given Diaspora*
 113          * fcontact guid
 114          *
 115          * @param mixed $fcontact_guid Hexadecimal string guid
 116          *
 117          * @return string the contact url or null
 118          * @throws \Exception
 119          */
 120         public static function getUrlByGuid($fcontact_guid)
 121         {
 122                 Logger::info('fcontact', ['guid' => $fcontact_guid]);
 123
 124                 $r = q(
 125                         "SELECT `url` FROM `fcontact` WHERE `url` != '' AND `network` = '%s' AND `guid` = '%s'",
 126                         DBA::escape(Protocol::DIASPORA),
 127                         DBA::escape($fcontact_guid)
 128                 );
 129
 130                 if (DBA::isResult($r)) {
 131                         return $r[0]['url'];
 132                 }
 133
 134                 return null;
 135         }
 136
 137         /**
 138          * Add suggestions for a given contact
 139          *
 140          * @param integer $uid
 141          * @param integer $cid
 142          * @return bool   Was the adding successful?
 143          */
 144         public static function addSuggestion(int $uid, int $cid)
 145         {
 146                 $owner = User::getOwnerDataById($uid);
 147                 $contact = Contact::getById($cid);
 148
 149                 if (DBA::exists('contact', ['nurl' => Strings::normaliseLink($contact['url']), 'uid' => $uid])) {
 150                         return false;
 151                 }
 152
 153                 $suggest = [];
 154                 $suggest['uid'] = $uid;
 155                 $suggest['cid'] = $contact['id'];
 156                 $suggest['url'] = $contact['url'];
 157                 $suggest['name'] = $contact['name'];
 158                 $suggest['photo'] = $contact['photo'];
 159                 $suggest['request'] = $contact['request'];
 160                 $suggest['title'] = '';
 161                 $suggest['body'] = '';
 162
 163                 // Do we already have an fcontact record for this person?
 164                 $fid = 0;
 165                 $fcontact = DBA::selectFirst('fcontact', ['id'], ['url' => $suggest['url']]);
 166                 if (DBA::isResult($fcontact)) {
 167                         $fid = $fcontact['id'];
 168
 169                         $fields = ['name' => $suggest['name'], 'photo' => $suggest['photo'], 'request' => $suggest['request']];
 170                         DBA::update('fcontact', $fields, ['id' => $fid]);
 171
 172                         // Quit if we already have an introduction for this person
 173                         if (DBA::exists('intro', ['uid' => $suggest['uid'], 'fid' => $fid])) {
 174                                 return false;
 175                         }
 176                 }
 177
 178                 if (empty($fid)) {
 179                         $fields = ['name' => $suggest['name'], 'url' => $suggest['url'],
 180                                 'photo' => $suggest['photo'], 'request' => $suggest['request']];
 181                         DBA::insert('fcontact', $fields);
 182                         $fid = DBA::lastInsertId();
 183                         if (empty($fid)) {
 184                                 Logger::warning('FContact had not been created', ['fcontact' => $fields]);
 185                                 return false;
 186                         }
 187                 }
 188
 189                 $hash = Strings::getRandomHex();
 190                 $fields = ['uid' => $suggest['uid'], 'fid' => $fid, 'contact-id' => $suggest['cid'],
 191                         'note' => $suggest['body'], 'hash' => $hash, 'datetime' => DateTimeFormat::utcNow(), 'blocked' => false];
 192                 DBA::insert('intro', $fields);
 193
 194                 notification([
 195                         'type'         => Type::SUGGEST,
 196                         'notify_flags' => $owner['notify-flags'],
 197                         'language'     => $owner['language'],
 198                         'to_name'      => $owner['name'],
 199                         'to_email'     => $owner['email'],
 200                         'uid'          => $owner['uid'],
 201                         'item'         => $suggest,
 202                         'link'         => DI::baseUrl().'/notifications/intros',
 203                         'source_name'  => $contact['name'],
 204                         'source_link'  => $contact['url'],
 205                         'source_photo' => $contact['photo'],
 206                         'verb'         => Activity::REQ_FRIEND,
 207                         'otype'        => 'intro'
 208                 ]);
 209
 210                 return true;
 211         }
 212 }