--- /dev/null
+<?php
+namespace Drush\Commands;
+
+use Consolidation\AnnotatedCommand\CommandData;
+use Drush\Commands\DrushCommands;
+use Drush\Drush;
+use Symfony\Component\Filesystem\Filesystem;
+
+/**
+ * Load this commandfile using the --include option - e.g. `drush --include=/path/to/drush/examples`
+ */
+
+class SyncViaHttpCommands extends DrushCommands
+{
+
+ /**
+ * When a hook extends a command with additional options, it must
+ * implement declare those option(s) in a @hook option like this one. Doing so will add
+ * the option to the help text for the modified command, and will also
+ * allow the new option to be specified on the command line. Without
+ * this, Drush will fail with an error when a user attempts to use
+ * an unknown option.
+ *
+ * @hook option sql-sync
+ * @option http-sync Copy the database via http instead of rsync. Value is the url that the existing database dump can be found at.
+ * @option http-sync-user Username for the protected directory containing the sql dump.
+ * @option http-sync-password Password for the same directory.
+ */
+ public function optionsetSqlSync()
+ {
+ }
+
+ /**
+ * During the pre hook, determine if the http-sync option has been
+ * specified. If it has been, then disable the normal ssh + rsync
+ * dump-and-transfer that sql-sync usually does, and transfer the
+ * database dump via an http download.
+ *
+ * @hook pre-command sql-sync
+ */
+ public function preSqlSync(CommandData $commandData)
+ {
+ $sql_dump_download_url = $commandData->input()->getOption('http-sync');
+ if (!empty($sql_dump_download_url)) {
+ $user = $commandData->input()->getOption('http-sync-user');
+ $password = $commandData->input()->getOption('http-sync-password');
+ $source_dump_file = $this->downloadFile($sql_dump_download_url, $user, $password);
+ $commandData->input()->setOption('target-dump', $source_dump_file);
+ $commandData->input()->setOption('no-dump', true);
+ $commandData->input()->setOption('no-sync', true);
+ }
+ }
+
+ /**
+ * Downloads a file.
+ *
+ * Optionally uses user authentication, using either wget or curl, as available.
+ */
+ protected function downloadFile($url, $user = false, $password = false, $destination = false, $overwrite = true)
+ {
+ static $use_wget;
+ if ($use_wget === null) {
+ $use_wget = drush_shell_exec('which wget');
+ }
+
+ $destination_tmp = drush_tempnam('download_file');
+ if ($use_wget) {
+ if ($user && $password) {
+ drush_shell_exec("wget -q --timeout=30 --user=%s --password=%s -O %s %s", $user, $password, $destination_tmp, $url);
+ } else {
+ drush_shell_exec("wget -q --timeout=30 -O %s %s", $destination_tmp, $url);
+ }
+ } else {
+ if ($user && $password) {
+ drush_shell_exec("curl -s -L --connect-timeout 30 --user %s:%s -o %s %s", $user, $password, $destination_tmp, $url);
+ } else {
+ drush_shell_exec("curl -s -L --connect-timeout 30 -o %s %s", $destination_tmp, $url);
+ }
+ }
+ if (!Drush::simulate()) {
+ if (!drush_file_not_empty($destination_tmp) && $file = @file_get_contents($url)) {
+ @file_put_contents($destination_tmp, $file);
+ }
+ if (!drush_file_not_empty($destination_tmp)) {
+ // Download failed.
+ throw new \Exception(dt("The URL !url could not be downloaded.", ['!url' => $url]));
+ }
+ }
+ if ($destination) {
+ $fs = new Filesystem();
+ $fs->rename($destination_tmp, $destination, $overwrite);
+ return $destination;
+ }
+ return $destination_tmp;
+ }
+}