nxvhm · July 16, 2020 09:58 · Jul 16, 2020
diff --git a/tiles-downloader.php b/tiles-downloader.php
@@ -0,0 +1,74 @@
+<?php
+
+# Folder in which current tiles reside
+$currentTilesFolder = 'tiles';
+
+# Timeout between requests so script doesnt get blocked
+$timeout = 1;
+
+# Init recusrive iterator
+$rii = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($currentTilesFolder));
+
+$files = array(); 
+
+# Get only file paths, no folders
+foreach ($rii as $file) {
+
+    if ($file->isDir()){ 
+        continue;
+    }
+
+    $files[] = $file->getPathname(); 
+}
+// Url format https://a.tile.openstreetmap.org/${z}/${x}/${y}.png;
+$downloadUrlPattern = 'https://a.tile.openstreetmap.org/%s/%s/%s';
+
+# Make urself look like a browser
+$forge = array(
+  'http'=>array(
+    'method'=>"GET",
+    'header'=>"Accept-language: en\r\n" .
+        "User-Agent: Mozilla/5.0 (iPad; U; CPU OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B334b Safari/531.21.102011-10-16 20:23:10\r\n" // i.e. An iPad 
+  )
+);
+
+$context = stream_context_create($forge);
+
+foreach ($files as $key => $pathName) {
+  # Remove current folder name from path to get clean tile path
+  $pathName = str_replace($currentTilesFolder, '', $pathName);
+
+  $parts = explode('\\', $pathName);
+
+  # echo $pathName . " \n";
+  $parts = array_values(array_filter($parts));
+
+  # print_r($parts);
+  list($z, $x, $y) = $parts;
+
+  $downloadUrl = sprintf($downloadUrlPattern, $z, $x, $y);
+
+  $newPath = "cool-tiles/$z/$x/";
+
+  if (!file_exists($newPath)) {
+    mkdir($newPath, 0777, true);
+  }
+
+  $newPath = $newPath.$y;
+
+  if (!file_exists($newPath)) {
+
+    $newTileContents = file_get_contents($downloadUrl, false, $context);
+
+    file_put_contents($newPath, $newTileContents);
+
+    echo $key . " For url: $downloadUrl new path is: $newPath \n";
+
+    sleep(1);
+  } else {
+
+    echo $key . ' '. $newPath . " already downloaded \n";
+
+  }
+}
+