Official Addons for the Friendica Communications Platform. (please note that this is a clone of the repository at github, issues are handled there)
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<?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\Core\Addon;
use Friendica\Core\Cache;
use Friendica\Core\Config;
use Friendica\Core\L10n;
use Friendica\Core\Logger;
use Friendica\Core\System;
use Friendica\Util\Network;
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()
{
Addon::registerHook('load_config', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_load_config');
Addon::registerHook('render_location', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_location');
Addon::registerHook('generate_map', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_generate_map');
Addon::registerHook('generate_named_map', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_generate_named_map');
Addon::registerHook('Map::getCoordinates', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_get_coordinates');
Addon::registerHook('page_header', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_alterheader');
Logger::log("installed openstreetmap");
}
function openstreetmap_uninstall()
{
Addon::unregisterHook('load_config', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_load_config');
Addon::unregisterHook('render_location', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_location');
Addon::unregisterHook('generate_map', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_generate_map');
Addon::unregisterHook('generate_named_map', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_generate_named_map');
Addon::unregisterHook('Map::getCoordinates', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_get_coordinates');
Addon::unregisterHook('page_header', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_alterheader');
Logger::log("removed openstreetmap");
}
function openstreetmap_load_config(\Friendica\App $a)
{
$a->loadConfigFile(__DIR__. '/config/openstreetmap.ini.php');
}
function openstreetmap_alterheader($a, &$navHtml)
{
$addScriptTag = '<script type="text/javascript" src="' . $a->getBaseURL() . '/addon/openstreetmap/openstreetmap.js"></script>' . "\r\n";
$a->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 mixed $a
* @param array& $item
*/
function openstreetmap_location($a, &$item)
{
if (!(strlen($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 = Config::get('openstreetmap', 'tmsserver', OSM_TMS);
$nomserver = Config::get('openstreetmap', 'nomserver', OSM_NOM);
$zoom = Config::get('openstreetmap', 'zoom', OSM_ZOOM);
$marker = Config::get('openstreetmap', 'marker', OSM_MARKER);
// This is needed since we stored an empty string in the config in previous versions
if (empty($nomserver)) {
$nomserver = OSM_NOM;
}
if ($item['coord'] != "") {
$coords = explode(' ', $item['coord']);
if (count($coords) > 1) {
$lat = urlencode(round($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($a, &$b)
{
$nomserver = Config::get('openstreetmap', 'nomserver', OSM_NOM);
// This is needed since we stored an empty string in the config in previous versions
if (empty($nomserver)) {
$nomserver = OSM_NOM;
}
$args = '?q=' . urlencode($b['location']) . '&format=json';
$cachekey = "openstreetmap:" . $b['location'];
$j = Cache::get($cachekey);
if (is_null($j)) {
$curlResult = Network::curl($nomserver . $args);
if ($curlResult->isSuccess()) {
$j = json_decode($curlResult->getBody(), true);
Cache::set($cachekey, $j, Cache::MONTH);
}
}
if (!empty($j[0]['lat']) && !empty($j[0]['lon'])) {
$b['lat'] = $j[0]['lat'];
$b['lon'] = $j[0]['lon'];
}
}
function openstreetmap_generate_named_map(&$a, &$b)
{
openstreetmap_get_coordinates($a, $b);
if (!empty($b['lat']) && !empty($b['lon'])) {
openstreetmap_generate_map($a, $b);
}
}
function openstreetmap_generate_map(&$a, &$b)
{
$tmsserver = Config::get('openstreetmap', 'tmsserver', OSM_TMS);
if (strpos($a->getBaseURL(true), 'https:') !== false) {
$tmsserver = str_replace('http:','https:',$tmsserver);
}
$zoom = Config::get('openstreetmap', 'zoom', OSM_ZOOM);
$marker = Config::get('openstreetmap', 'marker', OSM_MARKER);
$lat = $b['lat']; // round($b['lat'], 5);
$lon = $b['lon']; // round($b['lon'], 5);
Logger::log('lat: ' . $lat, Logger::DATA);
Logger::log('lon: ' . $lon, Logger::DATA);
$cardlink = '<a href="' . $tmsserver;
if ($marker > 0) {
$cardlink .= '?mlat=' . $lat . '&mlon=' . $lon;
}
$cardlink .= '#map=' . $zoom . '/' . $lat . '/' . $lon . '">' . ($b['location'] ? escape_tags($b['location']) : L10n::t('View Larger')) . '</a>';
if (empty($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) .
'&amp;layer=mapnik&amp;marker=' . $lat . '%2C' . $lon . '" style="border: 1px solid black"></iframe>' .
'<br/><small>' . $cardlink . '</small>';
} else {
$b['html'] .= '<br/>' . $cardlink;
}
Logger::log('generate_map: ' . $b['html'], Logger::DATA);
}
function openstreetmap_addon_admin(&$a, &$o)
{
$t = get_markup_template("admin.tpl", "addon/openstreetmap/");
$tmsserver = Config::get('openstreetmap', 'tmsserver', OSM_TMS);
$nomserver = Config::get('openstreetmap', 'nomserver', OSM_NOM);
$zoom = Config::get('openstreetmap', 'zoom', OSM_ZOOM);
$marker = Config::get('openstreetmap', 'marker', OSM_MARKER);
// This is needed since we stored an empty string in the config in previous versions
if (empty($nomserver)) {
$nomserver = OSM_NOM;
}
$o = replace_macros($t, [
'$submit' => L10n::t('Submit'),
'$tmsserver' => ['tmsserver', L10n::t('Tile Server URL'), $tmsserver, L10n::t('A list of <a href="http://wiki.openstreetmap.org/wiki/TMS" target="_blank">public tile servers</a>')],
'$nomserver' => ['nomserver', L10n::t('Nominatim (reverse geocoding) Server URL'), $nomserver, L10n::t('A list of <a href="http://wiki.openstreetmap.org/wiki/Nominatim" target="_blank">Nominatim servers</a>')],
'$zoom' => ['zoom', L10n::t('Default zoom'), $zoom, L10n::t('The default zoom level. (1:world, 18:highest, also depends on tile server)')],
'$marker' => ['marker', L10n::t('Include marker on map'), $marker, L10n::t('Include a marker on the map.')],
]);
}
function openstreetmap_addon_admin_post(&$a)
{
$urltms = defaults($_POST, 'tmsserver', OSM_TMS);
$urlnom = defaults($_POST, 'nomserver', OSM_NOM);
$zoom = defaults($_POST, 'zoom', OSM_ZOOM);
$marker = defaults($_POST, 'marker', OSM_MARKER);
Config::set('openstreetmap', 'tmsserver', $urltms);
Config::set('openstreetmap', 'nomserver', $urlnom);
Config::set('openstreetmap', 'zoom', $zoom);
Config::set('openstreetmap', 'marker', $marker);
info(L10n::t('Settings updated.') . EOL);
}