friendica-addons/jappixmini/jappix/php/functions-manager.php
2012-04-18 01:12:24 +02:00

769 lines
18 KiB
PHP

<?php
/*
Jappix - An open social platform
These are the PHP functions for Jappix manager
-------------------------------------------------
License: AGPL
Authors: Vanaryon, Mathieui, olivierm, Vinilox
Last revision: 15/01/12
*/
// The function to check an user is admin
function isAdmin($user, $password) {
// Read the users.xml file
$array = getUsers();
// No data?
if(empty($array))
return false;
// Our user is set and valid?
if(isset($array[$user]) && ($array[$user] == $password))
return true;
// Not authorized
return false;
}
// Checks if a file is a valid image
function isImage($file) {
// This is an image
if(preg_match('/^(.+)(\.)(png|jpg|jpeg|gif|bmp)$/i', $file))
return true;
return false;
}
// Puts a marker on the current opened manager tab
function currentTab($current, $page) {
if($current == $page)
echo ' class="tab-active"';
}
// Checks all the storage folders are writable
function storageWritable() {
// Read the directory content
$dir = JAPPIX_BASE.'/store/';
$scan = scandir($dir);
// Writable marker
$writable = true;
// Check that each folder is writable
foreach($scan as $current) {
// Current folder
$folder = $dir.$current;
// A folder is not writable?
if(!preg_match('/^\.(.+)/', $current) && !is_writable($folder)) {
// Try to change the folder rights
chmod($folder, 0777);
// Check it again!
if(!is_writable($folder))
$writable = false;
}
}
return $writable;
}
// Removes a given directory (with all sub-elements)
function removeDir($dir) {
// Can't open the dir
if(!$dh = @opendir($dir))
return;
// Loop the current dir to remove its content
while(false !== ($obj = readdir($dh))) {
// Not a "real" directory
if(($obj == '.') || ($obj == '..'))
continue;
// Not a file, remove this dir
if(!@unlink($dir.'/'.$obj))
removeDir($dir.'/'.$obj);
}
// Close the dir and remove it!
closedir($dh);
@rmdir($dir);
}
// Copies a given directory (with all sub-elements)
function copyDir($source, $destination) {
// This is a directory
if(is_dir($source)) {
// Create the target directory
@mkdir($destination);
$directory = dir($source);
// Append the source directory content into the target one
while(FALSE !== ($readdirectory = $directory->read())) {
if(($readdirectory == '.') || ($readdirectory == '..'))
continue;
$PathDir = $source.'/'.$readdirectory;
// Recursive copy
if(is_dir($PathDir)) {
copyDir($PathDir, $destination.'/'.$readdirectory);
continue;
}
copy($PathDir, $destination.'/'.$readdirectory);
}
// Close the source directory
$directory->close();
}
// This is a file
else
copy($source, $destination);
}
// Gets the total size of a directory
function sizeDir($dir) {
$size = 0;
foreach(new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir)) as $file)
$size += $file->getSize();
return $size;
}
// Set the good unity for a size in bytes
function numericToMonth($id) {
$array = array(
1 => T_("January"),
2 => T_("February"),
3 => T_("March"),
4 => T_("April"),
5 => T_("May"),
6 => T_("June"),
7 => T_("July"),
8 => T_("August"),
9 => T_("September"),
10 => T_("October"),
11 => T_("November"),
12 =>T_( "December")
);
return $array[$id];
}
// Extracts the version number with a version ID
function versionNumber($id) {
// First, extract the number string from the [X]
$extract = preg_replace('/^(.+)\[(\S+)\]$/', '$2', $id);
$dev = false;
// Second extract: ~ (when this is a special version, like ~dev)
if(strrpos($extract, '~') !== false) {
$dev = true;
$extract = preg_replace('/^([^~])~(.+)$/', '$1', $extract);
}
// Convert [X.X.X] into a full number
$extract = preg_replace('/[^0-9]/', '', $extract);
// Add missing items to [X.X.X]
$missing = 3 - strlen($extract.'');
if($missing > 0)
$extract = $extract.(str_repeat('0', $missing));
// Allows updates for dev versions
if($dev)
$extract = $extract - 1;
return intval($extract);
}
// Checks for new Jappix updates
function newUpdates($force) {
// No need to check if developer mode
if(isDeveloper())
return false;
$cache_path = JAPPIX_BASE.'/store/updates/version.xml';
// No cache, obsolete one or refresh forced
if(!file_exists($cache_path) || (file_exists($cache_path) && (time() - (filemtime($cache_path)) >= 86400)) || $force) {
// Get the content
$last_version = read_url('http://codingteam.net/project/jappix/upload/briefcase/version.xml');
// Write the content
file_put_contents($cache_path, $last_version);
}
// Read from the cache
else
$last_version = file_get_contents($cache_path);
// Parse the XML
$xml = @simplexml_load_string($last_version);
// No data?
if($xml === FALSE)
return false;
// Get the version numbers
$current_version = getVersion();
$last_version = $xml->id;
// Check if we have the latest version
$current_version = versionNumber($current_version);
$last_version = versionNumber($last_version);
if($current_version < $last_version)
return true;
return false;
}
// Gets the Jappix update informations
function updateInformations() {
// Get the XML file content
$data = file_get_contents(JAPPIX_BASE.'/store/updates/version.xml');
// Transform the XML content into an array
$array = array();
// No XML?
if(!$data)
return $array;
$xml = new SimpleXMLElement($data);
// Parse the XML to add it to the array
foreach($xml->children() as $this_child) {
// Get the node name
$current_name = $this_child->getName();
// Push it to the array, with a basic HTML encoding
$array[$current_name] = str_replace('\n', '<br />', $this_child);
}
// Return this array
return $array;
}
// Processes the Jappix update from an external package
function processUpdate($url) {
// Archive path
$name = md5($url).'.zip';
$update_dir = $dir_base.'store/updates/';
$path = JAPPIX_BASE.'/store/updates/'.$name;
$extract_to = $update_dir.'jappix/';
$store_tree = JAPPIX_BASE.'/php/store-tree.php';
// We must get the archive from the server
if(!file_exists($path)) {
echo('<p>» '.T_("Downloading package...").'</p>');
// Open the packages
$local = fopen($path, 'w');
$remote = fopen($url, 'r');
// Could not open a socket?!
if(!$remote) {
echo('<p>» '.T_("Aborted: socket error!").'</p>');
// Remove the broken local archive
unlink($path);
return false;
}
// Read the file
while(!feof($remote)) {
// Get the buffer
$buffer = fread($remote, 1024);
// Any error?
if($buffer == 'Error.') {
echo('<p>» '.T_("Aborted: buffer error!").'</p>');
// Remove the broken local archive
unlink($path);
return false;
}
// Write the buffer to the file
fwrite($local, $buffer);
// Flush the current buffer
ob_flush();
flush();
}
// Close the files
fclose($local);
fclose($remote);
}
// Then, we extract the archive
echo('<p>» '.T_("Extracting package...").'</p>');
try {
$zip = new ZipArchive;
$zip_open = $zip->open($path);
if($zip_open === TRUE) {
$zip->extractTo($update_dir);
$zip->close();
}
else {
echo('<p>» '.T_("Aborted: could not extract the package!").'</p>');
// Remove the broken source folder
removeDir($to_remove);
return false;
}
}
// PHP does not provide Zip archives support
catch(Exception $e) {
echo('<p>» '.T_("Aborted: could not extract the package!").'</p>');
// Remove the broken source folder
removeDir($to_remove);
return false;
}
// Remove the ./store dir from the source directory
removeDir($extract_to.'store/');
// Then, we remove the Jappix system files
echo('<p>» '.T_("Removing current Jappix system files...").'</p>');
// Open the general directory
$dir_base = JAPPIX_BASE.'/';
$scan = scandir($dir_base);
// Filter the scan array
$scan = array_diff($scan, array('.', '..', '.svn', 'store'));
// Check all the files are writable
foreach($scan as $scanned) {
// Element path
$scanned_current = $dir_base.$scanned;
// Element not writable
if(!is_writable($scanned_current)) {
// Try to change the element rights
chmod($scanned_current, 0777);
// Check it again!
if(!is_writable($scanned_current)) {
echo('<p>» '.T_("Aborted: everything is not writable!").'</p>');
return false;
}
}
}
// Process the files deletion
foreach($scan as $current) {
$to_remove = $dir_base.$current;
// Remove folders
if(is_dir($to_remove))
removeDir($to_remove);
// Remove files
else
unlink($to_remove);
}
// Move the extracted files to the base
copyDir($extract_to, $dir_base);
// Remove the source directory
removeDir($extract_to);
// Regenerates the store tree
if(file_exists($store_tree)) {
echo('<p>» '.T_("Regenerating storage folder tree...").'</p>');
// Call the special regeneration script
include($store_tree);
}
// Remove the version package
unlink($path);
// The new version is now installed!
echo('<p>» '.T_("Jappix is now up to date!").'</p>');
return true;
}
// Returns an array with the biggest share folders
function shareStats() {
// Define some stuffs
$path = JAPPIX_BASE.'/store/share/';
$array = array();
// Open the directory
$scan = scandir($path);
// Loop the share files
foreach($scan as $current) {
if(is_dir($path.$current) && !preg_match('/^(\.(.+)?)$/i', $current))
array_push($array, $current);
}
return $array;
}
// Returns the largest share folders
function largestShare($array, $number) {
// Define some stuffs
$path = JAPPIX_BASE.'/store/share/';
$size_array = array();
// Push the results in an array
foreach($array as $current)
$size_array[$current] = sizeDir($path.$current);
// Sort this array
arsort($size_array);
// Select the first biggest values
$size_array = array_slice($size_array, 0, $number);
return $size_array;
}
// Returns the others statistics array
function otherStats() {
// Fill the array with the values
$others_stats = array(
T_("Backgrounds") => sizeDir(JAPPIX_BASE.'/store/backgrounds/'),
T_("Cache") => sizeDir(JAPPIX_BASE.'/store/cache/'),
T_("Logs") => sizeDir(JAPPIX_BASE.'/store/logs/'),
T_("Music") => sizeDir(JAPPIX_BASE.'/store/music/'),
T_("Share") => sizeDir(JAPPIX_BASE.'/store/share/'),
T_("Send") => sizeDir(JAPPIX_BASE.'/store/send/'),
T_("Updates") => sizeDir(JAPPIX_BASE.'/store/updates/')
);
// Sort this array
arsort($others_stats);
return $others_stats;
}
// Gets the array of the visits stats
function getVisits() {
// New array
$array = array(
'total' => 0,
'daily' => 0,
'weekly' => 0,
'monthly' => 0,
'yearly' => 0
);
// Read the data
$data = readXML('access', 'total');
// Any data?
if($data) {
// Initialize the visits reading
$xml = new SimpleXMLElement($data);
// Get the XML values
$array['total'] = intval($xml->total);
$array['stamp'] = intval($xml->stamp);
// Get the age of the stats
$age = time() - $array['stamp'];
// Generate the time-dependant values
$timed = array(
'daily' => 86400,
'weekly' => 604800,
'monthly' => 2678400,
'yearly' => 31536000
);
foreach($timed as $timed_key => $timed_value) {
if($age >= $timed_value)
$array[$timed_key] = intval($array['total'] / ($age / $timed[$timed_key])).'';
else
$array[$timed_key] = $array['total'].'';
}
}
return $array;
}
// Gets the array of the monthly visits
function getMonthlyVisits() {
// New array
$array = array();
// Read the data
$data = readXML('access', 'months');
// Get the XML file values
if($data) {
// Initialize the visits reading
$xml = new SimpleXMLElement($data);
// Loop the visit elements
foreach($xml->children() as $child) {
// Get the current month ID
$current_id = intval(preg_replace('/month_([0-9]+)/i', '$1', $child->getName()));
// Get the current month name
$current_name = numericToMonth($current_id);
// Push it!
$array[$current_name] = intval($child);
}
}
return $array;
}
// Purges the target folder content
function purgeFolder($folder) {
// Array of the folders to purge
$array = array();
// We must purge all the folders?
if($folder == 'everything')
array_push($array, 'cache', 'logs', 'send', 'updates');
else
array_push($array, $folder);
// All right, now we can empty it!
foreach($array as $current_folder) {
// Scan the current directory
$directory = JAPPIX_BASE.'/store/'.$current_folder.'/';
$scan = scandir($directory);
$scan = array_diff($scan, array('.', '..', '.svn', 'index.html'));
// Process the files deletion
foreach($scan as $current) {
$remove_this = $directory.$current;
// Remove folders
if(is_dir($remove_this))
removeDir($remove_this);
// Remove files
else
unlink($remove_this);
}
}
}
// Returns folder browsing informations
function browseFolder($folder, $mode) {
// Scan the target directory
$directory = JAPPIX_BASE.'/store/'.$folder;
$scan = scandir($directory);
$scan = array_diff($scan, array('.', '..', '.svn', 'index.html'));
$keep_get = keepGet('(s|b|k)', false);
// Odd/even marker
$marker = 'odd';
// Not in the root folder: show previous link
if(strpos($folder, '/') != false) {
// Filter the folder name
$previous_folder = substr($folder, 0, strrpos($folder, '/'));
echo('<div class="one-browse previous manager-images"><a href="./?b='.$mode.'&s='.urlencode($previous_folder).$keep_get.'">'.T_("Previous").'</a></div>');
}
// Empty or non-existing directory?
if(!count($scan) || !is_dir($directory)) {
echo('<div class="one-browse '.$marker.' alert manager-images">'.T_("The folder is empty.").'</div>');
return false;
}
// Echo the browsing HTML code
foreach($scan as $current) {
// Generate the item path$directory
$path = $directory.'/'.$current;
$file = $folder.'/'.$current;
// Directory?
if(is_dir($path)) {
$type = 'folder';
$href = './?b='.$mode.'&s='.urlencode($file).$keep_get;
$target = '';
}
// File?
else {
$type = getFileType(getFileExt($path));
$href = $path;
$target = ' target="_blank"';
}
echo('<div class="one-browse '.$marker.' '.$type.' manager-images"><a href="'.$href.'"'.$target.'>'.htmlspecialchars($current).'</a><input type="checkbox" name="element_'.md5($file).'" value="'.htmlspecialchars($file).'" /></div>');
// Change the marker
if($marker == 'odd')
$marker = 'even';
else
$marker = 'odd';
}
return true;
}
// Removes selected elements (files/folders)
function removeElements() {
// Initialize the match
$elements_removed = false;
$elements_remove = array();
// Try to get the elements to remove
foreach($_POST as $post_key => $post_value) {
// Is a safe file?
if(preg_match('/^element_(.+)$/i', $post_key) && isSafe($post_value)) {
// Update the marker
$elements_removed = true;
// Get the real path
$post_element = JAPPIX_BASE.'/store/'.$post_value;
// Remove the current element
if(is_dir($post_element))
removeDir($post_element);
else if(file_exists($post_element))
unlink($post_element);
}
}
// Show a notification message
if($elements_removed)
echo('<p class="info smallspace success">'.T_("The selected elements have been removed.").'</p>');
else
echo('<p class="info smallspace fail">'.T_("You must select elements to remove!").'</p>');
}
// Returns users browsing informations
function browseUsers() {
// Get the users
$array = getUsers();
// Odd/even marker
$marker = 'odd';
// Echo the browsing HTML code
foreach($array as $user => $password) {
// Filter the username
$user = htmlspecialchars($user);
// Output the code
echo('<div class="one-browse '.$marker.' user manager-images"><span>'.$user.'</span><input type="checkbox" name="admin_'.md5($user).'" value="'.$user.'" /><div class="clear"></div></div>');
// Change the marker
if($marker == 'odd')
$marker = 'even';
else
$marker = 'odd';
}
}
// Generates the logo form field
function logoFormField($id, $name) {
if(file_exists(JAPPIX_BASE.'/store/logos/'.$name.'.png'))
echo '<span class="logo_links"><a class="remove manager-images" href="./?k='.urlencode($name).keepGet('k', false).'" title="'.T_("Remove this logo").'"></a><a class="view manager-images" href="./store/logos/'.$name.'.png" target="_blank" title="'.T_("View this logo").'"></a></span>';
else
echo '<input id="logo_own_'.$id.'_location" type="file" name="logo_own_'.$id.'_location" accept="image/*" />';
echo "\n";
}
// Reads the background configuration
function readBackground() {
// Read the background configuration XML
$background_data = readXML('conf', 'background');
// Get the default values
$background_default = defaultBackground();
// Stored data array
$background_conf = array();
// Read the stored values
if($background_data) {
// Initialize the background configuration XML data
$background_xml = new SimpleXMLElement($background_data);
// Loop the notice configuration elements
foreach($background_xml->children() as $background_child)
$background_conf[$background_child->getName()] = $background_child;
}
// Checks no value is missing in the stored configuration
foreach($background_default as $background_name => $background_value) {
if(!isset($background_conf[$background_name]) || empty($background_conf[$background_name]))
$background_conf[$background_name] = $background_default[$background_name];
}
return $background_conf;
}
// Writes the background configuration
function writeBackground($array) {
// Generate the XML data
$xml = '';
foreach($array as $key => $value)
$xml .= "\n".' <'.$key.'>'.stripslashes(htmlspecialchars($value)).'</'.$key.'>';
// Write this data
writeXML('conf', 'background', $xml);
}
// Generates a list of the available background images
function getBackgrounds() {
// Initialize the result array
$array = array();
// Scan the background directory
$scan = scandir(JAPPIX_BASE.'/store/backgrounds/');
foreach($scan as $current) {
if(isImage($current))
array_push($array, $current);
}
return $array;
}
// Writes the notice configuration
function writeNotice($type, $simple) {
// Generate the XML data
$xml =
'<type>'.$type.'</type>
<notice>'.stripslashes(htmlspecialchars($simple)).'</notice>'
;
// Write this data
writeXML('conf', 'notice', $xml);
}
?>