<?php /** * Name: OpenStreetMap * Description: Use OpenStreetMap for displaying locations. After activation the post location just beneath your avatar in your posts will link to OpenStreetMap. * Version: 1.3.1 * Author: Fabio <http://kirgroup.com/~fabrixxm> * Author: Mike Macgirvin <http://macgirvin.com/profile/mike> * Author: Klaus Weidenbach * */ use Friendica\App; use Friendica\Core\Cache\Enum\Duration; use Friendica\Core\Hook; use Friendica\Core\Logger; use Friendica\Core\Renderer; use Friendica\DI; use Friendica\Core\Config\Util\ConfigFileManager; use Friendica\Util\Strings; const OSM_TMS = 'https://www.openstreetmap.org'; const OSM_NOM = 'https://nominatim.openstreetmap.org/search.php'; const OSM_ZOOM = 16; const OSM_MARKER = 0; function openstreetmap_install() { Hook::register('load_config', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_load_config'); Hook::register('render_location', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_location'); Hook::register('generate_map', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_generate_map'); Hook::register('generate_named_map', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_generate_named_map'); Hook::register('Map::getCoordinates', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_get_coordinates'); Hook::register('page_header', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_alterheader'); Logger::notice("installed openstreetmap"); } function openstreetmap_load_config(ConfigFileManager $loader) { DI::app()->getConfigCache()->load($loader->loadAddonConfig('openstreetmap'), \Friendica\Core\Config\ValueObject\Cache::SOURCE_STATIC); } function openstreetmap_alterheader(&$navHtml) { $addScriptTag = '<script type="text/javascript" src="' . DI::baseUrl() . '/addon/openstreetmap/openstreetmap.js"></script>' . "\r\n"; DI::page()['htmlhead'] .= $addScriptTag; } /** * @brief Add link to a map for an item's set location/coordinates. * * If an item has coordinates add link to a tile map server, e.g. openstreetmap.org. * If an item has a location open it with the help of OSM's Nominatim reverse geocode search. * * @param array& $item */ function openstreetmap_location(array &$item) { if (!(strlen($item['location']) || strlen($item['coord']))) { return; } /* * Get the configuration variables from the config. * @todo Separate the tile map server from the text-string to map tile server * since they apparently use different URL conventions. * We use OSM's current convention of "#map=zoom/lat/lon" and optional * ?mlat=lat&mlon=lon for markers. */ $tmsserver = DI::config()->get('openstreetmap', 'tmsserver', OSM_TMS); $nomserver = DI::config()->get('openstreetmap', 'nomserver', OSM_NOM); $zoom = DI::config()->get('openstreetmap', 'zoom', OSM_ZOOM); $marker = DI::config()->get('openstreetmap', 'marker', OSM_MARKER); // This is needed since we stored an empty string in the config in previous versions if (empty($nomserver)) { $nomserver = OSM_NOM; } if ($item['coord'] != '') { $coords = explode(' ', $item['coord']); if ((count($coords) > 1) && is_numeric($coords[0]) && is_numeric($coords[1])) { $lat = urlencode(round($coords[0], 5)); $lon = urlencode(round($coords[1], 5)); $target = $tmsserver; if ($marker > 0) { $target .= '?mlat=' . $lat . '&mlon=' . $lon; } $target .= '#map='.intval($zoom).'/'.$lat.'/'.$lon; } } if (empty($target)) { $target = $nomserver.'?q='.urlencode($item['location']); } if ($item['location'] != '') { $title = $item['location']; } else { $title = $item['coord']; } $item['html'] = '<a target="map" title="' . $title . '" href= "' . $target . '">' . $title . '</a>'; } function openstreetmap_get_coordinates(array &$b) { $nomserver = DI::config()->get('openstreetmap', 'nomserver', OSM_NOM); // This is needed since we stored an empty string in the config in previous versions if (empty($nomserver)) { $nomserver = OSM_NOM; } $args = '?q=' . urlencode($b['location']) . '&format=json'; $cachekey = 'openstreetmap:' . $b['location']; $j = DI::cache()->get($cachekey); if (is_null($j)) { $curlResult = DI::httpClient()->get($nomserver . $args); if ($curlResult->isSuccess()) { $j = json_decode($curlResult->getBody(), true); DI::cache()->set($cachekey, $j, Duration::MONTH); } } if (!empty($j[0]['lat']) && !empty($j[0]['lon'])) { $b['lat'] = $j[0]['lat']; $b['lon'] = $j[0]['lon']; } } function openstreetmap_generate_named_map(array &$b) { openstreetmap_get_coordinates($b); if (!empty($b['lat']) && !empty($b['lon'])) { openstreetmap_generate_map($b); } } function openstreetmap_generate_map(array &$b) { $tmsserver = DI::config()->get('openstreetmap', 'tmsserver', OSM_TMS); if (strpos(DI::baseUrl(), 'https:') !== false) { $tmsserver = str_replace('http:','https:',$tmsserver); } $zoom = DI::config()->get('openstreetmap', 'zoom', OSM_ZOOM); $marker = DI::config()->get('openstreetmap', 'marker', OSM_MARKER); $lat = $b['lat']; // round($b['lat'], 5); $lon = $b['lon']; // round($b['lon'], 5); Logger::debug('lat: ' . $lat); Logger::debug('lon: ' . $lon); $cardlink = '<a href="' . $tmsserver; if ($marker > 0) { $cardlink .= '?mlat=' . $lat . '&mlon=' . $lon; } $cardlink .= '#map=' . $zoom . '/' . $lat . '/' . $lon . '">' . ($b['location'] ??0? Strings::escapeHtml($b['location']) : DI::l10n()->t('View Larger')) . '</a>'; if (empty($b['mode'])) { $b['html'] = '<iframe style="width:100%; height:300px; border:1px solid #ccc" src="' . $tmsserver . '/export/embed.html?bbox=' . ($lon - 0.01) . '%2C' . ($lat - 0.01) . '%2C' . ($lon + 0.01) . '%2C' . ($lat + 0.01) . '&layer=mapnik&marker=' . $lat . '%2C' . $lon . '" style="border: 1px solid black"></iframe>' . '<br/><small>' . $cardlink . '</small>'; } else { $b['html'] .= '<br/>' . $cardlink; } Logger::debug('generate_map: ' . $b['html']); } function openstreetmap_addon_admin(string &$o) { $t = Renderer::getMarkupTemplate('admin.tpl', 'addon/openstreetmap/'); $tmsserver = DI::config()->get('openstreetmap', 'tmsserver', OSM_TMS); $nomserver = DI::config()->get('openstreetmap', 'nomserver', OSM_NOM); $zoom = DI::config()->get('openstreetmap', 'zoom', OSM_ZOOM); $marker = DI::config()->get('openstreetmap', 'marker', OSM_MARKER); // This is needed since we stored an empty string in the config in previous versions if (empty($nomserver)) { $nomserver = OSM_NOM; } $o = Renderer::replaceMacros($t, [ '$submit' => DI::l10n()->t('Submit'), '$tmsserver' => ['tmsserver', DI::l10n()->t('Tile Server URL'), $tmsserver, DI::l10n()->t('A list of <a href="http://wiki.openstreetmap.org/wiki/TMS" target="_blank" rel="noopener noreferrer">public tile servers</a>')], '$nomserver' => ['nomserver', DI::l10n()->t('Nominatim (reverse geocoding) Server URL'), $nomserver, DI::l10n()->t('A list of <a href="http://wiki.openstreetmap.org/wiki/Nominatim" target="_blank" rel="noopener noreferrer">Nominatim servers</a>')], '$zoom' => ['zoom', DI::l10n()->t('Default zoom'), $zoom, DI::l10n()->t('The default zoom level. (1:world, 18:highest, also depends on tile server)')], '$marker' => ['marker', DI::l10n()->t('Include marker on map'), $marker, DI::l10n()->t('Include a marker on the map.')], ]); } function openstreetmap_addon_admin_post() { DI::config()->set('openstreetmap', 'tmsserver', ($_POST['tmsserver'] ?? '') ?: OSM_TMS); DI::config()->set('openstreetmap', 'nomserver', ($_POST['nomserver'] ?? '') ?: OSM_NOM); DI::config()->set('openstreetmap', 'zoom', ($_POST['zoom'] ?? '') ?: OSM_ZOOM); DI::config()->set('openstreetmap', 'marker', ($_POST['marker'] ?? '') ?: OSM_MARKER); }