Add Miniflux auto-update feature

common.php

@@ -10,6 +10,7 @@ require __DIR__.'/models/user.php';
 require __DIR__.'/models/feed.php';
 require __DIR__.'/models/item.php';
 require __DIR__.'/models/schema.php';
+require __DIR__.'/models/auto_update.php';
 
 if (file_exists('config.php')) require 'config.php';
 
@@ -24,6 +25,11 @@ defined('PROXY_HOSTNAME') or define('PROXY_HOSTNAME', '');
 defined('PROXY_PORT') or define('PROXY_PORT', 3128);
 defined('PROXY_USERNAME') or define('PROXY_USERNAME', '');
 defined('PROXY_PASSWORD') or define('PROXY_PASSWORD', '');
+defined('ROOT_DIRECTORY') or define('ROOT_DIRECTORY', __DIR__);
+defined('ENABLE_AUTO_UPDATE') or define('ENABLE_AUTO_UPDATE', true);
+defined('AUTO_UPDATE_DOWNLOAD_DIRECTORY') or define('AUTO_UPDATE_DOWNLOAD_DIRECTORY', 'data/download');
+defined('AUTO_UPDATE_ARCHIVE_DIRECTORY') or define('AUTO_UPDATE_ARCHIVE_DIRECTORY', 'data/archive');
+defined('AUTO_UPDATE_BACKUP_DIRECTORY') or define('AUTO_UPDATE_BACKUP_DIRECTORY', 'data/backup');
 
 PicoFeed\Client::proxy(PROXY_HOSTNAME, PROXY_PORT, PROXY_USERNAME, PROXY_PASSWORD);
 

controllers/config.php

@@ -7,6 +7,22 @@ use PicoFarad\Session;
 use PicoFarad\Template;
 use PicoDb\Database;
 
+// Auto-update
+Router\get_action('auto-update', function() {
+
+    if (ENABLE_AUTO_UPDATE) {
+
+        if (Model\AutoUpdate\execute(Model\Config\get('auto_update_url'))) {
+            Session\flash(t('Miniflux is updated!'));
+        }
+        else {
+            Session\flash_error(t('Unable to update Miniflux, check the console for errors.'));
+        }
+    }
+
+    Response\redirect('?action=config');
+});
+
 // Re-generate tokens
 Router\get_action('generate-tokens', function() {
 

data/archive/.gitignore

@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore

data/backup/.gitignore

@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore

data/download/.gitignore

@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore

locales/fr_FR/translations.php

@@ -208,4 +208,9 @@ return array(
     '%d months ago' => 'Il y a %d mois',
     'Timezone' => 'Fuseau horaire',
     'Update all subscriptions' => 'Mettre à jour tous les abonnements',
+    'Auto-Update URL' => 'URL de mise à jour automatique',
+    'Update Miniflux' => 'Mettre à jour Miniflux',
+    'Miniflux is updated!' => 'Miniflux a été mis à jour avec succès !',
+    'Unable to update Miniflux, check the console for errors.' => 'Impossible de mettre à jour Miniflux, allez-voir les erreurs dans la console.',
+    'Don\'t forget to backup your database' => 'N\'oubliez pas de sauvegarder votre base de données',
 );

models/auto_update.php

@@ -0,0 +1,229 @@
+<?php
+
+namespace Model\AutoUpdate;
+
+use ZipArchive;
+use DirectoryIterator;
+use RecursiveIterator;
+use RecursiveIteratorIterator;
+use RecursiveDirectoryIterator;
+
+// Get all files of a given directory
+function get_files_list($directory)
+{
+    $exclude_list = array(
+        '.git',
+        'data',
+        'scripts',
+        'config.php',
+    );
+
+    $it = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($directory), RecursiveIteratorIterator::SELF_FIRST);
+    $files = array();
+
+    while ($it->valid()) {
+
+        if ($it->isFile() && ! is_excluded_path($it->getSubPathname(), $exclude_list)) {
+            $files[] = $it->getSubPathname();
+        }
+
+        $it->next();
+    }
+
+    return $files;
+}
+
+// Check if the given path is excluded
+function is_excluded_path($path, array $exclude_list)
+{
+    foreach ($exclude_list as $excluded_path) {
+
+        if (strpos($path, $excluded_path) === 0) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+// Synchronize 2 directories (copy/remove files)
+function synchronize($source_directory, $destination_directory)
+{
+    \Model\Config\debug('[SYNCHRONIZE] '.$source_directory.' to '.$destination_directory);
+
+    $src_files = get_files_list($source_directory);
+    $dst_files = get_files_list($destination_directory);
+
+    // Remove files
+    $remove_files = array_diff($dst_files, $src_files);
+
+    foreach ($remove_files as $file) {
+
+        $destination_file = $destination_directory.DIRECTORY_SEPARATOR.$file;
+        \Model\Config\debug('[REMOVE] '.$destination_file);
+
+        if (! @unlink($destination_file)) {
+            return false;
+        }
+    }
+
+    // Overwrite all files
+    foreach ($src_files as $file) {
+
+        $directory = $destination_directory.DIRECTORY_SEPARATOR.dirname($file);
+
+        if (! is_dir($directory)) {
+
+            \Model\Config\debug('[MKDIR] '.$directory);
+
+            if (! @mkdir($directory, 0755, true)) {
+                return false;
+            }
+        }
+
+        $source_file = $source_directory.DIRECTORY_SEPARATOR.$file;
+        $destination_file = $destination_directory.DIRECTORY_SEPARATOR.$file;
+
+        \Model\Config\debug('[COPY] '.$source_file.' to '.$destination_file);
+
+        if (! @copy($source_file, $destination_file)) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+// Download and unzip the archive
+function uncompress_archive($url, $download_directory = AUTO_UPDATE_DOWNLOAD_DIRECTORY, $archive_directory = AUTO_UPDATE_ARCHIVE_DIRECTORY)
+{
+    $archive_file = $download_directory.DIRECTORY_SEPARATOR.'update.zip';
+
+    \Model\Config\debug('[DOWNLOAD] '.$url);
+
+    if (($data = @file_get_contents($url)) === false) {
+        return false;
+    }
+
+    if (@file_put_contents($archive_file, $data) === false) {
+        return false;
+    }
+
+    \Model\Config\debug('[UNZIP] '.$archive_file);
+
+    $zip = new ZipArchive;
+
+    if (! $zip->open($archive_file)) {
+        return false;
+    }
+
+    $zip->extractTo($archive_directory);
+    $zip->close();
+
+    return true;
+}
+
+// Remove all files for a given directory
+function cleanup_directory($directory)
+{
+    \Model\Config\debug('[CLEANUP] '.$directory);
+
+    $dir = new DirectoryIterator($directory);
+
+    foreach ($dir as $fileinfo) {
+
+        if (! $fileinfo->isDot()) {
+
+            $filename = $fileinfo->getRealPath();
+
+            if ($fileinfo->isFile()) {
+                \Model\Config\debug('[REMOVE] '.$filename);
+                @unlink($filename);
+            }
+            else {
+                cleanup_directory($filename);
+                @rmdir($filename);
+            }
+        }
+    }
+}
+
+// Cleanup all temporary directories
+function cleanup_directories()
+{
+    cleanup_directory(AUTO_UPDATE_DOWNLOAD_DIRECTORY);
+    cleanup_directory(AUTO_UPDATE_ARCHIVE_DIRECTORY);
+    cleanup_directory(AUTO_UPDATE_BACKUP_DIRECTORY);
+}
+
+// Find the archive directory name
+function find_archive_root($base_directory = AUTO_UPDATE_ARCHIVE_DIRECTORY)
+{
+    $directory = '';
+    $dir = new DirectoryIterator($base_directory);
+
+    foreach ($dir as $fileinfo) {
+        if (! $fileinfo->isDot() && $fileinfo->isDir()) {
+            $directory = $fileinfo->getFilename();
+            break;
+        }
+    }
+
+    if (empty($directory)) {
+        \Model\Config\debug('[FIND ARCHIVE] No directory found');
+        return false;
+    }
+
+    $path = $base_directory.DIRECTORY_SEPARATOR.$directory;
+    \Model\Config\debug('[FIND ARCHIVE] '.$path);
+
+    return $path;
+}
+
+// Check if everything is setup correctly
+function check_setup()
+{
+    if (! class_exists('ZipArchive')) die('To use this feature, your PHP installation must be able to uncompress zip files!');
+
+    if (AUTO_UPDATE_DOWNLOAD_DIRECTORY === '') die('The constant AUTO_UPDATE_DOWNLOAD_DIRECTORY is not set!');
+    if (AUTO_UPDATE_ARCHIVE_DIRECTORY === '') die('The constant AUTO_UPDATE_ARCHIVE_DIRECTORY is not set!');
+    if (AUTO_UPDATE_DOWNLOAD_DIRECTORY === '') die('The constant AUTO_UPDATE_DOWNLOAD_DIRECTORY is not set!');
+
+    if (! is_dir(AUTO_UPDATE_DOWNLOAD_DIRECTORY)) @mkdir(AUTO_UPDATE_DOWNLOAD_DIRECTORY, 0755);
+    if (! is_dir(AUTO_UPDATE_ARCHIVE_DIRECTORY)) @mkdir(AUTO_UPDATE_ARCHIVE_DIRECTORY, 0755);
+    if (! is_dir(AUTO_UPDATE_BACKUP_DIRECTORY)) @mkdir(AUTO_UPDATE_BACKUP_DIRECTORY, 0755);
+
+    if (! is_writable(AUTO_UPDATE_DOWNLOAD_DIRECTORY)) die('Update directories must be writable by your web server user!');
+    if (! is_writable(__DIR__)) die('Source files must be writable by your web server user!');
+}
+
+// Update the source code
+function execute($url)
+{
+    check_setup();
+    cleanup_directories();
+
+    if (uncompress_archive($url)) {
+
+        $update_directory = find_archive_root();
+
+        if ($update_directory) {
+
+            // Backup first
+            if (synchronize(ROOT_DIRECTORY, AUTO_UPDATE_BACKUP_DIRECTORY)) {
+
+                // Update
+                if (synchronize($update_directory, ROOT_DIRECTORY)) {
+                    cleanup_directories();
+                    return true;
+                }
+                else {
+                    // If update failed, rollback
+                    synchronize(AUTO_UPDATE_BACKUP_DIRECTORY, ROOT_DIRECTORY);
+                }
+            }
+        }
+    }
+
+    return false;
+}

models/config.php

@@ -16,10 +16,18 @@ use SimpleValidator\Validator;
 use SimpleValidator\Validators;
 use PicoDb\Database;
 
-const DB_VERSION          = 23;
+const DB_VERSION          = 24;
 const HTTP_USERAGENT      = 'Miniflux - http://miniflux.net';
 const HTTP_FAKE_USERAGENT = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.62 Safari/537.36';
 
+
+// Send a debug message to the console
+function debug($line)
+{
+    \PicoFeed\Logging::log($line);
+    write_debug();
+}
+
 // Write PicoFeed debug output to a file
 function write_debug()
 {
@@ -211,7 +219,8 @@ function get_all()
             'auth_google_token',
             'auth_mozilla_token',
             'items_sorting_direction',
-            'redirect_nothing_to_read'
+            'redirect_nothing_to_read',
+            'auto_update_url'
         )
         ->findOne();
 }
@@ -219,32 +228,27 @@ function get_all()
 // Validation for edit action
 function validate_modification(array $values)
 {
+    $rules = array(
+        new Validators\Required('username', t('The user name is required')),
+        new Validators\MaxLength('username', t('The maximum length is 50 characters'), 50),
+        new Validators\Required('autoflush', t('Value required')),
+        new Validators\Required('items_per_page', t('Value required')),
+        new Validators\Integer('items_per_page', t('Must be an integer')),
+        new Validators\Required('theme', t('Value required')),
+    );
+
+    if (ENABLE_AUTO_UPDATE) {
+        $rules[] = new Validators\Required('auto_update_url', t('Value required'));
+    }
+
     if (! empty($values['password'])) {
-
-        $v = new Validator($values, array(
-            new Validators\Required('username', t('The user name is required')),
-            new Validators\MaxLength('username', t('The maximum length is 50 characters'), 50),
-            new Validators\Required('password', t('The password is required')),
-            new Validators\MinLength('password', t('The minimum length is 6 characters'), 6),
-            new Validators\Required('confirmation', t('The confirmation is required')),
-            new Validators\Equals('password', 'confirmation', t('Passwords doesn\'t match')),
-            new Validators\Required('autoflush', t('Value required')),
-            new Validators\Required('items_per_page', t('Value required')),
-            new Validators\Integer('items_per_page', t('Must be an integer')),
-            new Validators\Required('theme', t('Value required')),
-        ));
+        $rules[] = new Validators\Required('password', t('The password is required'));
+        $rules[] = new Validators\MinLength('password', t('The minimum length is 6 characters'), 6);
+        $rules[] = new Validators\Required('confirmation', t('The confirmation is required'));
+        $rules[] = new Validators\Equals('password', 'confirmation', t('Passwords doesn\'t match'));
     }
-    else {
 
-        $v = new Validator($values, array(
-            new Validators\Required('username', t('The user name is required')),
-            new Validators\MaxLength('username', t('The maximum length is 50 characters'), 50),
-            new Validators\Required('autoflush', t('Value required')),
-            new Validators\Required('items_per_page', t('Value required')),
-            new Validators\Integer('items_per_page', t('Must be an integer')),
-            new Validators\Required('theme', t('Value required')),
-        ));
-    }
+    $v = new Validator($values, $rules);
 
     return array(
         $v->execute(),

models/schema.php

@@ -2,6 +2,11 @@
 
 namespace Schema;
 
+function version_24($pdo)
+{
+    $pdo->exec("ALTER TABLE config ADD COLUMN auto_update_url TEXT DEFAULT 'https://github.com/fguillot/miniflux/archive/master.zip'");
+}
+
 
 function version_23($pdo)
 {

templates/config.php

@@ -36,6 +36,11 @@
 
     <?= Helper\form_checkbox('nocontent', t('Do not fetch the content of articles'), 1, isset($values['nocontent']) ? $values['nocontent'] : false) ?><br />
 
+    <?php if (ENABLE_AUTO_UPDATE): ?>
+        <?= Helper\form_label(t('Auto-Update URL'), 'auto_update_url') ?>
+        <?= Helper\form_text('auto_update_url', $values, $errors, array('required')) ?><br/>
+    <?php endif ?>
+
     <ul>
         <li>
             <?php if ($values['auth_google_token']): ?>
@@ -93,6 +98,9 @@
         <ul>
             <li><?= t('Miniflux version:') ?> <strong><?= APP_VERSION ?></strong></li>
             <li><?= t('Official website:') ?> <a href="http://miniflux.net" rel="noreferer" target="_blank">http://miniflux.net</a></li>
+            <?php if (ENABLE_AUTO_UPDATE): ?>
+                <li><a href="?action=auto-update"><?= t('Update Miniflux') ?></a> (<?= t('Don\'t forget to backup your database') ?>)</li>
+            <?php endif ?>
             <li><a href="?action=console"><?= t('Console') ?></a></li>
         </ul>
     </div>