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Added lock file usage to cron uploader to prevent concurrent runs.

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Changed extension manager to allow author to be a comma-separated list.
This commit is contained in:
Matthew Barbour 2019-06-15 11:01:13 -05:00 committed by matthew
parent e940d87c22
commit 0202597f88
3 changed files with 162 additions and 120 deletions
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187
ext/cron_uploader/main.php
View file

@ -1,42 +1,44 @@
<?php
/*
* Name: Cron Uploader
* Author: YaoiFox <admin@yaoifox.com>
* Authors: YaoiFox <admin@yaoifox.com>, Matthew Barbour <matthew@darkholme.net>
* Link: http://www.yaoifox.com/
* License: GPLv2
* Description: Uploads images automatically using Cron Jobs
* Documentation: Installation guide: activate this extension and navigate to www.yoursite.com/cron_upload
*/
class CronUploader extends Extension
{
// TODO: Checkbox option to only allow localhost + a list of additional IP adresses that can be set in /cron_upload
// TODO: Change logging to MySQL + display log at /cron_upload
// TODO: Move stuff to theme.php
/**
* Lists all log events this session
* @var string
*/
private $upload_info = "";
/**
* Lists all files & info required to upload.
* @var array
*/
private $image_queue = [];
/**
* Cron Uploader root directory
* @var string
*/
private $root_dir = "";
/**
* Key used to identify uploader
* @var string
*/
private $upload_key = "";
/**
* Checks if the cron upload page has been accessed
* and initializes the upload.
@ -44,39 +46,50 @@ class CronUploader extends Extension
public function onPageRequest(PageRequestEvent $event)
{
global $config, $user;
if ($event->page_matches("cron_upload")) {
$this->upload_key = $config->get_string("cron_uploader_key", "");
// If the key is in the url, upload
if ($this->upload_key != "" && $event->get_arg(0) == $this->upload_key) {
// log in as admin
$this->process_upload(); // Start upload
$this->set_dir();
$lockfile = fopen($this->root_dir . "/.lock", "w");
try {
if (!flock($lockfile, LOCK_EX | LOCK_NB)) {
throw new Exception("Cron upload process is already running");
}
$this->process_upload(); // Start upload
} finally {
flock($lockfile, LOCK_UN);
fclose($lockfile);
}
} elseif ($user->is_admin()) {
$this->set_dir();
$this->display_documentation();
}
}
}
private function display_documentation()
{
global $page;
$this->set_dir(); // Determines path to cron_uploader_dir
$queue_dir = $this->root_dir . "/queue";
$uploaded_dir = $this->root_dir . "/uploaded";
$failed_dir = $this->root_dir . "/failed_to_upload";
$queue_dirinfo = $this->scan_dir($queue_dir);
$uploaded_dirinfo = $this->scan_dir($uploaded_dir);
$failed_dirinfo = $this->scan_dir($failed_dir);
$cron_url = make_http(make_link("/cron_upload/" . $this->upload_key));
$cron_cmd = "curl --silent $cron_url";
$log_path = $this->root_dir . "/uploads.log";
$info_html = "<b>Information</b>
<br>
<table style='width:470px;'>
@ -105,7 +118,7 @@ class CronUploader extends Extension
<br>Cron Command: <input type='text' size='60' value='$cron_cmd'><br>
Create a cron job with the command above.<br/>
Read the documentation if you're not sure what to do.<br>";
$install_html = "
This cron uploader is fairly easy to use but has to be configured first.
<br />1. Install & activate this plugin.
@ -130,8 +143,10 @@ class CronUploader extends Extension
<br />So when you want to manually upload an image, all you have to do is open the link once.
<br />This link can be found under 'Cron Command' in the board config, just remove the 'wget ' part and only the url remains.
<br />(<b>$cron_url</b>)";
$page->set_title("Cron Uploader");
$page->set_heading("Cron Uploader");
$block = new Block("Cron Uploader", $info_html, "main", 10);
$block_install = new Block("Installation Guide", $install_html, "main", 20);
$page->add_block($block);
@ -143,35 +158,35 @@ class CronUploader extends Extension
global $config;
// Set default values
$this->upload_key = $config->get_string("cron_uploader_key", "");
if (strlen($this->upload_key)<=0) {
if (strlen($this->upload_key) <= 0) {
$this->upload_key = $this->generate_key();
$config->set_default_int('cron_uploader_count', 1);
$config->set_default_string('cron_uploader_key', $this->upload_key);
$this->set_dir();
}
}
public function onSetupBuilding(SetupBuildingEvent $event)
{
$this->set_dir();
$cron_url = make_http(make_link("/cron_upload/" . $this->upload_key));
$cron_cmd = "curl --silent $cron_url";
$documentation_link = make_http(make_link("cron_upload"));
$sb = new SetupBlock("Cron Uploader");
$sb->add_label("<b>Settings</b><br>");
$sb->add_int_option("cron_uploader_count", "How many to upload each time");
$sb->add_text_option("cron_uploader_dir", "<br>Set Cron Uploader root directory<br>");
$sb->add_label("<br>Cron Command: <input type='text' size='60' value='$cron_cmd'><br>
Create a cron job with the command above.<br/>
<a href='$documentation_link'>Read the documentation</a> if you're not sure what to do.");
$event->panel->add_block($sb);
}
/*
* Generates a unique key for the website to prevent unauthorized access.
*/
@ -180,14 +195,14 @@ class CronUploader extends Extension
$length = 20;
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$randomString = '';
for ($i = 0; $i < $length; $i ++) {
for ($i = 0; $i < $length; $i++) {
$randomString .= $characters [rand(0, strlen($characters) - 1)];
}
return $randomString;
}
/*
* Set the directory for the image queue. If no directory was given, set it to the default directory.
*/
@ -195,15 +210,15 @@ class CronUploader extends Extension
{
global $config;
// Determine directory (none = default)
$dir = $config->get_string("cron_uploader_dir", "");
// Sets new default dir if not in config yet/anymore
if ($dir == "") {
$dir = data_path("cron_uploader");
$config->set_string('cron_uploader_dir', $dir);
}
// Make the directory if it doesn't exist yet
if (!is_dir($dir . "/queue/")) {
mkdir($dir . "/queue/", 0775, true);
@ -214,31 +229,31 @@ class CronUploader extends Extension
if (!is_dir($dir . "/failed_to_upload/")) {
mkdir($dir . "/failed_to_upload/", 0775, true);
}
$this->root_dir = $dir;
return $dir;
}
/**
* Returns amount of files & total size of dir.
*/
public function scan_dir(string $path): array
{
$bytestotal=0;
$nbfiles=0;
$bytestotal = 0;
$nbfiles = 0;
$ite=new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS);
foreach (new RecursiveIteratorIterator($ite) as $filename=>$cur) {
$ite = new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS);
foreach (new RecursiveIteratorIterator($ite) as $filename => $cur) {
$filesize = $cur->getSize();
$bytestotal += $filesize;
$nbfiles++;
}
$size_mb = $bytestotal / 1048576; // to mb
$size_mb = number_format($size_mb, 2, '.', '');
return ['total_files'=>$nbfiles,'total_mb'=>$size_mb];
return ['total_files' => $nbfiles, 'total_mb' => $size_mb];
}
/**
* Uploads the image & handles everything
*/
@ -246,24 +261,24 @@ class CronUploader extends Extension
{
global $config, $database;
set_time_limit(0);
//set_time_limit(0);
$output_subdir = date('Ymd-His', time())."/";
$this->set_dir();
$output_subdir = date('Ymd-His', time()) . "/";
$this->generate_image_queue();
// Gets amount of imgs to upload
if ($upload_count == 0) {
$upload_count = $config->get_int("cron_uploader_count", 1);
}
// Throw exception if there's nothing in the queue
if (count($this->image_queue) == 0) {
$this->add_upload_info("Your queue is empty so nothing could be uploaded.");
$this->handle_log();
return false;
}
// Randomize Images
//shuffle($this->image_queue);
@ -274,15 +289,15 @@ class CronUploader extends Extension
$failedItems = [];
// Upload the file(s)
for ($i = 0; $i < $upload_count && sizeof($this->image_queue)>0; $i++) {
for ($i = 0; $i < $upload_count && sizeof($this->image_queue) > 0; $i++) {
$img = array_pop($this->image_queue);
try {
$database->beginTransaction();
$result = $this->add_image($img[0], $img[1], $img[2]);
$database->commit();
$this->move_uploaded($img[0], $img[1], $output_subdir, false);
if ($result==null) {
if ($result == null) {
$merged++;
} else {
$added++;
@ -290,7 +305,7 @@ class CronUploader extends Extension
} catch (Exception $e) {
$failed++;
$this->move_uploaded($img[0], $img[1], $output_subdir, true);
$msgNumber = $this->add_upload_info("(".gettype($e).") ".$e->getMessage());
$msgNumber = $this->add_upload_info("(" . gettype($e) . ") " . $e->getMessage());
$msgNumber = $this->add_upload_info($e->getTraceAsString());
if (strpos($e->getMessage(), 'SQLSTATE') !== false) {
// Postgres invalidates the transaction if there is an SQL error,
@ -310,40 +325,40 @@ class CronUploader extends Extension
$msgNumber = $this->add_upload_info("Items failed: $failed");
// Display & save upload log
$this->handle_log();
return true;
}
private function move_uploaded($path, $filename, $output_subdir, $corrupt = false)
{
global $config;
// Create
$newDir = $this->root_dir;
$relativeDir = dirname(substr($path, strlen($this->root_dir) + 7));
// Determine which dir to move to
if ($corrupt) {
// Move to corrupt dir
$newDir .= "/failed_to_upload/".$output_subdir.$relativeDir;
$newDir .= "/failed_to_upload/" . $output_subdir . $relativeDir;
$info = "ERROR: Image was not uploaded.";
} else {
$newDir .= "/uploaded/".$output_subdir.$relativeDir;
$newDir .= "/uploaded/" . $output_subdir . $relativeDir;
$info = "Image successfully uploaded. ";
}
$newDir = str_replace("//", "/", $newDir."/");
$newDir = str_replace("//", "/", $newDir . "/");
if (!is_dir($newDir)) {
mkdir($newDir, 0775, true);
}
// move file to correct dir
rename($path, $newDir.$filename);
rename($path, $newDir . $filename);
$this->add_upload_info($info . "Image \"$filename\" moved from queue to \"$newDir\".");
}
@ -353,7 +368,7 @@ class CronUploader extends Extension
private function add_image(string $tmpname, string $filename, string $tags)
{
assert(file_exists($tmpname));
$pathinfo = pathinfo($filename);
$metadata = [];
$metadata ['filename'] = $pathinfo ['basename'];
@ -364,7 +379,7 @@ class CronUploader extends Extension
$metadata ['source'] = null;
$event = new DataUploadEvent($tmpname, $metadata);
send_event($event);
// Generate info message
$infomsg = ""; // Will contain info message
if ($event->image_id == -1) {
@ -377,18 +392,18 @@ class CronUploader extends Extension
$msgNumber = $this->add_upload_info($infomsg);
return $event->image_id;
}
private function generate_image_queue(): void
{
$base = $this->root_dir . "/queue";
if (! is_dir($base)) {
if (!is_dir($base)) {
$this->add_upload_info("Image Queue Directory could not be found at \"$base\".");
return;
}
$ite=new RecursiveDirectoryIterator($base, FilesystemIterator::SKIP_DOTS);
foreach (new RecursiveIteratorIterator($ite) as $fullpath=>$cur) {
$ite = new RecursiveDirectoryIterator($base, FilesystemIterator::SKIP_DOTS);
foreach (new RecursiveIteratorIterator($ite) as $fullpath => $cur) {
if (!is_link($fullpath) && !is_dir($fullpath)) {
$pathinfo = pathinfo($fullpath);
@ -396,62 +411,62 @@ class CronUploader extends Extension
$tags = path_to_tags($relativePath);
$img = [
0 => $fullpath,
1 => $pathinfo ["basename"],
2 => $tags
0 => $fullpath,
1 => $pathinfo ["basename"],
2 => $tags
];
array_push($this->image_queue, $img);
}
}
}
/**
* Adds a message to the info being published at the end
*/
private function add_upload_info(string $text, int $addon = 0): int
{
$info = $this->upload_info;
$time = "[" .date('Y-m-d H:i:s'). "]";
$time = "[" . date('Y-m-d H:i:s') . "]";
// If addon function is not used
if ($addon == 0) {
$this->upload_info .= "$time $text\r\n";
$this->upload_info .= "$time $text\r\n";
// Returns the number of the current line
$currentLine = substr_count($this->upload_info, "\n") -1;
$currentLine = substr_count($this->upload_info, "\n") - 1;
return $currentLine;
}
// else if addon function is used, select the line & modify it
$lines = substr($info, "\n"); // Seperate the string to array in lines
$lines[$addon] = "$lines[$addon] $text"; // Add the content to the line
$this->upload_info = implode("\n", $lines); // Put string back together & update
return $addon; // Return line number
}
/**
* This is run at the end to display & save the log.
*/
private function handle_log()
{
global $page;
// Display message
$page->set_mode("data");
$page->set_type("text/plain");
$page->set_data($this->upload_info);
// Save log
$log_path = $this->root_dir . "/uploads.log";
if (file_exists($log_path)) {
$prev_content = file_get_contents($log_path);
} else {
$prev_content = "";
}
$content = $prev_content ."\r\n".$this->upload_info;
$content = $prev_content . "\r\n" . $this->upload_info;
file_put_contents($log_path, $content);
}
}

54
ext/ext_manager/main.php
View file

@ -22,8 +22,7 @@ class ExtensionInfo
public $ext_name;
public $name;
public $link;
public $author;
public $email;
public $authors;
public $description;
public $documentation;
public $version;
@ -39,8 +38,9 @@ class ExtensionInfo
$this->ext_name = $matches[1];
$this->name = $this->ext_name;
$this->enabled = $this->is_enabled($this->ext_name);
$this->authors = [];
for ($i=0; $i<$number_of_lines; $i++) {
for ($i = 0; $i < $number_of_lines; $i++) {
$line = $lines[$i];
if (preg_match("/Name: (.*)/", $line, $matches)) {
$this->name = $matches[1];
@ -53,25 +53,31 @@ class ExtensionInfo
}
} elseif (preg_match("/Version: (.*)/", $line, $matches)) {
$this->version = $matches[1];
} elseif (preg_match("/Author: (.*) [<\(](.*@.*)[>\)]/", $line, $matches)) {
$this->author = $matches[1];
$this->email = $matches[2];
} elseif (preg_match("/Author: (.*)/", $line, $matches)) {
$this->author = $matches[1];
} elseif (preg_match("/Authors?: (.*)/", $line, $matches)) {
$author_list = explode(',', $matches[1]);
foreach ($author_list as $author) {
if (preg_match("/(.*) [<\(](.*@.*)[>\)]/", $author, $matches)) {
$this->authors[] = new ExtensionAuthor($matches[1], $matches[2]);
} else {
$this->authors[] = new ExtensionAuthor($author, null);
}
}
} elseif (preg_match("/(.*)Description: ?(.*)/", $line, $matches)) {
$this->description = $matches[2];
$start = $matches[1]." ";
$start = $matches[1] . " ";
$start_len = strlen($start);
while (substr($lines[$i+1], 0, $start_len) == $start) {
$this->description .= " ".substr($lines[$i+1], $start_len);
while (substr($lines[$i + 1], 0, $start_len) == $start) {
$this->description .= " " . substr($lines[$i + 1], $start_len);
$i++;
}
} elseif (preg_match("/(.*)Documentation: ?(.*)/", $line, $matches)) {
$this->documentation = $matches[2];
$start = $matches[1]." ";
$start = $matches[1] . " ";
$start_len = strlen($start);
while (substr($lines[$i+1], 0, $start_len) == $start) {
$this->documentation .= " ".substr($lines[$i+1], $start_len);
while (substr($lines[$i + 1], 0, $start_len) == $start) {
$this->documentation .= " " . substr($lines[$i + 1], $start_len);
$i++;
}
$this->documentation = str_replace('$site', make_http(get_base_href()), $this->documentation);
@ -96,6 +102,18 @@ class ExtensionInfo
}
}
class ExtensionAuthor
{
public $name;
public $email;
public function __construct(string $name, string $email)
{
$this->name = $name;
$this->email = $email;
}
}
class ExtManager extends Extension
{
public function onPageRequest(PageRequestEvent $event)
@ -166,7 +184,7 @@ class ExtManager extends Extension
if ($all) {
$exts = zglob("ext/*/main.php");
} else {
$exts = zglob("ext/{".ENABLED_EXTS."}/main.php");
$exts = zglob("ext/{" . ENABLED_EXTS . "}/main.php");
}
foreach ($exts as $main) {
$extensions[] = new ExtensionInfo($main);
@ -200,9 +218,9 @@ class ExtManager extends Extension
{
file_put_contents(
"data/config/extensions.conf.php",
'<'.'?php'."\n".
'define("EXTRA_EXTS", "'.implode(",", $extras).'");'."\n".
'?'.">"
'<' . '?php' . "\n" .
'define("EXTRA_EXTS", "' . implode(",", $extras) . '");' . "\n" .
'?' . ">"
);
// when the list of active extensions changes, we can be

41
ext/ext_manager/theme.php
View file

@ -9,7 +9,7 @@ class ExtManagerTheme extends Themelet
{
$h_en = $editable ? "<th>Enabled</th>" : "";
$html = "
".make_form(make_link("ext_manager/set"))."
" . make_form(make_link("ext_manager/set")) . "
<table id='extensions' class='zebra sortable'>
<thead>
<tr>
@ -26,17 +26,17 @@ class ExtManagerTheme extends Themelet
continue;
}
$h_name = html_escape(empty($extension->name) ? $extension->ext_name : $extension->name);
$h_name = html_escape(empty($extension->name) ? $extension->ext_name : $extension->name);
$h_description = html_escape($extension->description);
$h_link = make_link("ext_doc/".url_escape($extension->ext_name));
$h_enabled = ($extension->enabled === true ? " checked='checked'" : ($extension->enabled === false ? "" : " disabled checked='checked'"));
$h_enabled_box = $editable ? "<td><input type='checkbox' name='ext_".html_escape($extension->ext_name)."' id='ext_".html_escape($extension->ext_name)."'$h_enabled></td>" : "";
$h_docs = ($extension->documentation ? "<a href='$h_link'>■</a>" : ""); //TODO: A proper "docs" symbol would be preferred here.
$h_link = make_link("ext_doc/" . url_escape($extension->ext_name));
$h_enabled = ($extension->enabled === true ? " checked='checked'" : ($extension->enabled === false ? "" : " disabled checked='checked'"));
$h_enabled_box = $editable ? "<td><input type='checkbox' name='ext_" . html_escape($extension->ext_name) . "' id='ext_" . html_escape($extension->ext_name) . "'$h_enabled></td>" : "";
$h_docs = ($extension->documentation ? "<a href='$h_link'>■</a>" : ""); //TODO: A proper "docs" symbol would be preferred here.
$html .= "
<tr data-ext='{$extension->ext_name}'>
{$h_enabled_box}
<td><label for='ext_".html_escape($extension->ext_name)."'>{$h_name}</label></td>
<td><label for='ext_" . html_escape($extension->ext_name) . "'>{$h_name}</label></td>
<td>{$h_docs}</td>
<td style='text-align: left;'>{$h_description}</td>
</tr>";
@ -116,15 +116,24 @@ class ExtManagerTheme extends Themelet
public function display_doc(Page $page, ExtensionInfo $info)
{
$author = "";
if ($info->author) {
if ($info->email) {
$author = "<br><b>Author:</b> <a href=\"mailto:".html_escape($info->email)."\">".html_escape($info->author)."</a>";
} else {
$author = "<br><b>Author:</b> ".html_escape($info->author);
if (count($info->authors) > 0) {
$author = "<br /><b>Author";
if (count($info->authors) > 1) {
$author .= "s";
}
$author .= ":</b>";
foreach ($info->authors as $auth) {
if (!empty($auth->email)) {
$author .= "<a href=\"mailto:" . html_escape($auth->email) . "\">" . html_escape($auth->name) . "</a>";
} else {
$author .= html_escape($auth->name);
}
}
}
$version = ($info->version) ? "<br><b>Version:</b> ".html_escape($info->version) : "";
$link = ($info->link) ? "<br><b>Home Page:</b> <a href=\"".html_escape($info->link)."\">Link</a>" : "";
$version = ($info->version) ? "<br><b>Version:</b> " . html_escape($info->version) : "";
$link = ($info->link) ? "<br><b>Home Page:</b> <a href=\"" . html_escape($info->link) . "\">Link</a>" : "";
$doc = $info->documentation;
$html = "
<div style='margin: auto; text-align: left; width: 512px;'>
@ -133,10 +142,10 @@ class ExtManagerTheme extends Themelet
$link
<p>$doc
<hr>
<p><a href='".make_link("ext_manager")."'>Back to the list</a>
<p><a href='" . make_link("ext_manager") . "'>Back to the list</a>
</div>";
$page->set_title("Documentation for ".html_escape($info->name));
$page->set_title("Documentation for " . html_escape($info->name));
$page->set_heading(html_escape($info->name));
$page->add_block(new NavBlock());
$page->add_block(new Block("Documentation", $html));