From 4858b8fd322a228cba2efab35488085ec407efc9 Mon Sep 17 00:00:00 2001
From: Morris Jobke <hey@morrisjobke.de>
Date: Wed, 7 Dec 2016 11:17:30 +0100
Subject: [PATCH] Check if update should be run based on updater server
 response

* see #53

Signed-off-by: Morris Jobke <hey@morrisjobke.de>
---
 Changelog.md                                |  5 +++++
 index.php                                   |  6 ++++++
 lib/UpdateCommand.php                       | 20 +++++++++++---------
 lib/Updater.php                             |  6 ++++++
 tests/features/bootstrap/FeatureContext.php | 13 +++++++++++--
 tests/features/cli.feature                  |  8 ++++++++
 6 files changed, 47 insertions(+), 11 deletions(-)

diff --git a/Changelog.md b/Changelog.md
index b12907f3..f12113f0 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,8 @@
+# 1.0.3 - 2016-12-07
+
+- general: send PHP version to get compatible updates
+- CLI: check if update should be run based on updater server response
+
 # 1.0.2 - 2016-11-28
 
 - CLI: verify that owner of config.php and updater process user are the same
diff --git a/index.php b/index.php
index fe6750e4..017ca708 100644
--- a/index.php
+++ b/index.php
@@ -236,6 +236,12 @@ public function checkForUpdate() {
 			$updateText = 'No update available.';
 		}
 
+		if ($this->updateAvailable && isset($response['autoupdater']) && !($response['autoupdater'] === 1 || $response['autoupdater'] === '1')) {
+			$this->updateAvailable = false;
+
+			$updateText .= '<br />The updater is disabled for this update - please update manually.' . $response['autoupdater'];
+		}
+
 		$this->silentLog('[info] end of checkForUpdate() ' . $updateText);
 		return $updateText;
 	}
diff --git a/lib/UpdateCommand.php b/lib/UpdateCommand.php
index 572d1e97..8bc4f749 100644
--- a/lib/UpdateCommand.php
+++ b/lib/UpdateCommand.php
@@ -139,20 +139,22 @@ protected function execute(InputInterface $input, OutputInterface $output) {
 		// needs to be called that early because otherwise updateAvailable() returns false
 		$updateString = $this->updater->checkForUpdate();
 
-		if(!$this->updater->updateAvailable() && $stepNumber === 0) {
-			$output->writeln('Everything is up to date.');
-			return 0;
-		}
-
 		$output->writeln('');
 
-		$indexOfBreak = strpos($updateString, '<br');
-		$output->writeln('<info>' . substr($updateString, 0, $indexOfBreak) . '</info>');
-		// strip HTML
-		$output->writeln(preg_replace('/<[^>]*>/', '', substr($updateString, $indexOfBreak)));
+		$lines = explode('<br />', $updateString);
+
+		foreach ($lines as $line) {
+			// strip HTML
+			$output->writeln('<info>' . preg_replace('/<[^>]*>/', '', $line) . '</info>');
+		}
 
 		$output->writeln('');
 
+		if(!$this->updater->updateAvailable() && $stepNumber === 0) {
+			$output->writeln('Nothing to do.');
+			return 0;
+		}
+
 		$questionText = 'Start update';
 		if ($stepNumber > 0) {
 			$questionText = 'Continue update';
diff --git a/lib/Updater.php b/lib/Updater.php
index 14b9d3f6..5cfa34a4 100644
--- a/lib/Updater.php
+++ b/lib/Updater.php
@@ -121,6 +121,12 @@ public function checkForUpdate() {
 			$updateText = 'No update available.';
 		}
 
+		if ($this->updateAvailable && isset($response['autoupdater']) && !($response['autoupdater'] === 1 || $response['autoupdater'] === '1')) {
+			$this->updateAvailable = false;
+
+			$updateText .= '<br />The updater is disabled for this update - please update manually.' . $response['autoupdater'];
+		}
+
 		$this->silentLog('[info] end of checkForUpdate() ' . $updateText);
 		return $updateText;
 	}
diff --git a/tests/features/bootstrap/FeatureContext.php b/tests/features/bootstrap/FeatureContext.php
index 7d69c1ad..0f05432a 100644
--- a/tests/features/bootstrap/FeatureContext.php
+++ b/tests/features/bootstrap/FeatureContext.php
@@ -21,6 +21,8 @@ class FeatureContext implements Context
     protected $CLIOutput;
     /** @var integer */
     protected $CLIReturnCode;
+    /** @var string */
+    protected $autoupdater = '1';
 
     public function __construct()
     {
@@ -131,7 +133,14 @@ public function thereIsNoUpdateAvailable()
 
 		$content = '';
 		file_put_contents($this->updateServerDir . 'index.php', $content);
-    }
+	}
+
+	/**
+	 * @Given  the autoupdater is disabled
+	 */
+	public function theAutoupdaterIsDisabled() {
+		$this->autoupdater = '0';
+	}
 
 	/**
 	 * @When the CLI updater is run successfully
@@ -178,7 +187,7 @@ public function thereIsAnUpdateToVersionAvailable($version)
  <versionstring>Nextcloud ' . $version . '</versionstring>
  <url>https://download.nextcloud.com/server/releases/nextcloud-' . $version . '.zip</url>
  <web>https://docs.nextcloud.org/server/10/admin_manual/maintenance/manual_upgrade.html</web>
- <autoupdater>1</autoupdater>
+ <autoupdater>' . $this->autoupdater . '</autoupdater>
 </nextcloud>
 ';
         file_put_contents($this->updateServerDir . 'index.php', $content);
diff --git a/tests/features/cli.feature b/tests/features/cli.feature
index 491352f9..0750a84d 100644
--- a/tests/features/cli.feature
+++ b/tests/features/cli.feature
@@ -34,3 +34,11 @@ Feature: CLI updater
     #And maintenance mode should be off
     And upgrade is not required
 
+  Scenario: Update is available but autoupdate is disabled - 10.0.0 to 10.0.1
+    Given the current installed version is 10.0.0
+    And the autoupdater is disabled
+    And there is an update to version 10.0.1 available
+    When the CLI updater is run
+    Then the installed version should be 10.0.0
+    And maintenance mode should be off
+    And upgrade is not required