catavatar/catavatar.php

   1 <?php
   2 /**
   3  * Name: Cat Avatar Generator
   4  * Description: Generate a default avatar based on David Revoy's cat-avatar-generator https://framagit.org/Deevad/cat-avatar-generator
   5  * Version: 1.1
   6  * Author: Fabio <https://kirgroup.com/profile/fabrixxm>
   7  */
   8
   9 use Friendica\App;
  10 use Friendica\Core\Hook;
  11 use Friendica\Core\Logger;
  12 use Friendica\Core\Renderer;
  13 use Friendica\Core\Worker;
  14 use Friendica\Database\DBA;
  15 use Friendica\DI;
  16 use Friendica\Model\Contact;
  17 use Friendica\Model\Photo;
  18 use Friendica\Network\HTTPException\NotFoundException;
  19
  20 define("CATAVATAR_SIZE", 256);
  21
  22 /**
  23  * Installs the addon hook
  24  */
  25 function catavatar_install()
  26 {
  27         Hook::register('avatar_lookup', 'addon/catavatar/catavatar.php', 'catavatar_lookup');
  28         Hook::register('addon_settings', 'addon/catavatar/catavatar.php', 'catavatar_addon_settings');
  29         Hook::register('addon_settings_post', 'addon/catavatar/catavatar.php', 'catavatar_addon_settings_post');
  30
  31         Logger::log('registered catavatar');
  32 }
  33
  34 /**
  35  * Removes the addon hook
  36  */
  37 function catavatar_uninstall()
  38 {
  39         Hook::unregister('avatar_lookup', 'addon/catavatar/catavatar.php', 'catavatar_lookup');
  40         Hook::unregister('addon_settings', 'addon/catavatar/catavatar.php', 'catavatar_addon_settings');
  41         Hook::unregister('addon_settings_post', 'addon/catavatar/catavatar.php', 'catavatar_addon_settings_post');
  42
  43         Logger::log('unregistered catavatar');
  44 }
  45
  46 /**
  47  * Cat avatar user settings page
  48  */
  49 function catavatar_addon_settings(App $a, &$s)
  50 {
  51         if (!local_user()) {
  52                 return;
  53         }
  54
  55         $t = Renderer::getMarkupTemplate('settings.tpl', 'addon/catavatar/');
  56         $s .= Renderer::replaceMacros($t, [
  57                 '$postpost' => !empty($_POST['catavatar-morecat']) || !empty($_POST['catavatar-emailcat']),
  58                 '$uncache' => time(),
  59                 '$uid' => local_user(),
  60                 '$usecat' => DI::l10n()->t('Use Cat as Avatar'),
  61                 '$morecat' => DI::l10n()->t('More Random Cat!'),
  62                 '$emailcat' => DI::l10n()->t('Reset to email Cat'),
  63                 '$seed' => DI::pConfig()->get(local_user(), 'catavatar', 'seed', false),
  64                 '$header' => DI::l10n()->t('Cat Avatar Settings'),
  65         ]);
  66 }
  67
  68 /**
  69  * Cat avatar user settings POST handle
  70  */
  71 function catavatar_addon_settings_post(App $a, &$s)
  72 {
  73         if (!local_user()) {
  74                 return;
  75         }
  76
  77         // delete the current cached cat avatar
  78         $condition = ['uid' => local_user(), 'blocked' => false,
  79                         'account_expired' => false, 'account_removed' => false];
  80         $user = DBA::selectFirst('user', ['email'], $condition);
  81
  82         $seed = DI::pConfig()->get(local_user(), 'catavatar', 'seed', md5(trim(strtolower($user['email']))));
  83
  84         if (!empty($_POST['catavatar-usecat'])) {
  85                 $url = DI::baseUrl()->get() . '/catavatar/' . local_user() . '?ts=' . time();
  86
  87                 $self = DBA::selectFirst('contact', ['id'], ['uid' => local_user(), 'self' => true]);
  88                 if (!DBA::isResult($self)) {
  89                         notice(DI::l10n()->t("The cat hadn't found itself."));
  90                         return;
  91                 }
  92
  93                 Photo::importProfilePhoto($url, local_user(), $self['id']);
  94
  95                 $condition = ['uid' => local_user(), 'contact-id' => $self['id']];
  96                 $photo = DBA::selectFirst('photo', ['resource-id'], $condition);
  97                 if (!DBA::isResult($photo)) {
  98                         notice(DI::l10n()->t('There was an error, the cat ran away.'));
  99                         return;
 100                 }
 101
 102                 DBA::update('photo', ['profile' => false], ['profile' => true, 'uid' => local_user()]);
 103
 104                 $fields = ['profile' => true, 'album' => DI::l10n()->t('Profile Photos'), 'contact-id' => 0];
 105                 DBA::update('photo', $fields, ['uid' => local_user(), 'resource-id' => $photo['resource-id']]);
 106
 107                 Photo::importProfilePhoto($url, local_user(), $self['id']);
 108
 109                 Contact::updateSelfFromUserID(local_user(), true);
 110
 111                 // Update global directory in background
 112                 $url = DI::baseUrl()->get() . '/profile/' . $a->user['nickname'];
 113                 if ($url && strlen(DI::config()->get('system', 'directory'))) {
 114                         Worker::add(PRIORITY_LOW, 'Directory', $url);
 115                 }
 116
 117                 Worker::add(PRIORITY_LOW, 'ProfileUpdate', local_user());
 118
 119                 info(DI::l10n()->t('Meow!'));
 120                 return;
 121         }
 122
 123         if (!empty($_POST['catavatar-morecat'])) {
 124                 DI::pConfig()->set(local_user(), 'catavatar', 'seed', time());
 125         }
 126
 127         if (!empty($_POST['catavatar-emailcat'])) {
 128                 DI::pConfig()->delete(local_user(), 'catavatar', 'seed');
 129         }
 130 }
 131
 132 /**
 133  * Returns the URL to the cat avatar
 134  *
 135  * @param $a array
 136  * @param &$b array
 137  */
 138 function catavatar_lookup(App $a, &$b)
 139 {
 140         $user = DBA::selectFirst('user', ['uid'], ['email' => $b['email']]);
 141         $url = DI::baseUrl()->get() . '/catavatar/' . $user['uid'];
 142
 143         switch($b['size']) {
 144                 case 300: $url .= "/4"; break;
 145                 case 80: $url .= "/5"; break;
 146                 case 47: $url .= "/6"; break;
 147         }
 148
 149         $b['url'] = $url;
 150         $b['success'] = true;
 151 }
 152
 153 function catavatar_module() {}
 154
 155 /**
 156  * Returns image for user id
 157  *
 158  * @throws NotFoundException
 159  *
 160  */
 161 function catavatar_content(App $a)
 162 {
 163         if ($a->argc < 2 || $a->argc > 3) {
 164                 throw new NotFoundException(); // this should be catched on index and show default "not found" page.
 165         }
 166
 167         $uid = intval($a->argv[1]);
 168
 169         $size = 0;
 170         if ($a->argc == 3) {
 171                 $size = intval($a->argv[2]);
 172         }
 173
 174         $condition = ['uid' => $uid,
 175                         'account_expired' => false, 'account_removed' => false];
 176         $user = DBA::selectFirst('user', ['email'], $condition);
 177
 178         if ($user === false) {
 179                 throw new NotFoundException();
 180         }
 181
 182         $seed = DI::pConfig()->get($uid, "catavatar", "seed", md5(trim(strtolower($user['email']))));
 183
 184         // ...Or start generation
 185         ob_start();
 186
 187         // render the picture:
 188         build_cat($seed, $size);
 189
 190         ob_end_flush();
 191
 192         exit();
 193 }
 194
 195
 196
 197 /**
 198  * ====================
 199  * CAT-AVATAR-GENERATOR
 200  * ====================
 201  *
 202  * @authors: Andreas Gohr, David Revoy
 203  *
 204  * This PHP is licensed under the short and simple permissive:
 205  * [MIT License](https://en.wikipedia.org/wiki/MIT_License)
 206  *
 207 **/
 208
 209 function build_cat($seed = '', $size = 0)
 210 {
 211         // init random seed
 212         if ($seed) {
 213                 srand(hexdec(substr(md5($seed), 0, 6)));
 214         }
 215
 216         // throw the dice for body parts
 217         $parts = array(
 218                 'body' => rand(1, 15),
 219                 'fur' => rand(1, 10),
 220                 'eyes' => rand(1, 15),
 221                 'mouth' => rand(1, 10),
 222                 'accessorie' => rand(1, 20)
 223         );
 224
 225         // create backgound
 226         $cat = @imagecreatetruecolor(CATAVATAR_SIZE, CATAVATAR_SIZE)
 227                 or die("GD image create failed");
 228         $white = imagecolorallocate($cat, 255, 255, 255);
 229         imagefill($cat, 0, 0, $white);
 230
 231         // add parts
 232         foreach ($parts as $part => $num) {
 233                 $file = dirname(__FILE__) . '/avatars/' . $part . '_' . $num . '.png';
 234
 235                 $im = @imagecreatefrompng($file);
 236                 if (!$im) {
 237                         die('Failed to load ' . $file);
 238                 }
 239                 imageSaveAlpha($im, true);
 240                 imagecopy($cat, $im, 0, 0, 0, 0, CATAVATAR_SIZE, CATAVATAR_SIZE);
 241                 imagedestroy($im);
 242         }
 243
 244         // scale image
 245         if ($size > 3 && $size < 7) {
 246                 switch ($size) {
 247                         case 4:
 248                                 $size = 300;
 249                                 break;
 250                         case 5:
 251                                 $size = 80;
 252                                 break;
 253                         case 6:
 254                                 $size = 48;
 255                                 break;
 256                 }
 257
 258                 $dest = imagecreatetruecolor($size, $size);
 259                 imagealphablending($dest, false);
 260                 imagesavealpha($dest, true);
 261                 imagecopyresampled($dest, $cat, 0, 0, 0, 0, $size, $size, CATAVATAR_SIZE, CATAVATAR_SIZE);
 262                 imagedestroy($cat);
 263                 $cat = $dest;
 264         }
 265
 266         // restore random seed
 267         if ($seed) {
 268                 srand();
 269         }
 270
 271         header('Pragma: public');
 272         header('Cache-Control: max-age=86400');
 273         header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', time() + 86400));
 274         header('Content-Type: image/jpg');
 275         imagejpeg($cat, NULL, 90);
 276         imagedestroy($cat);
 277 }