X-Git-Url: https://git.mxchange.org/?p=mailer.git;a=blobdiff_plain;f=inc%2Flibs%2Fcache_functions.php;h=0c342e1257ca8c78736ee2fde8e246c214a52337;hp=392827f683f83953d2ebdf66529ee1023b17bc9b;hb=e3934352dffa6eb9da59a137ae1a9414e5b4d80b;hpb=3e67aa21428cb9bc5b8d7552d2dd0770fc46dfb3 diff --git a/inc/libs/cache_functions.php b/inc/libs/cache_functions.php index 392827f683..0c342e1257 100644 --- a/inc/libs/cache_functions.php +++ b/inc/libs/cache_functions.php @@ -1,7 +1,7 @@ ret = "failed"; - - // Remeber path - $this->path = $path; - - // Check if path exists - if ((is_dir($path)) && (!$tested)) { - // Check if we can create a file inside the path - touch($path."dummy.tmp", 'w'); - if (FILE_READABLE($path."dummy.tmp")) { - // Yes, we can do. So let's remove it - unlink($path."dummy.tmp"); - - // Is there a .htaccess file? - if (FILE_READABLE($path.".htaccess")) { - // Update database that we have tested it - UPDATE_CONFIG("cache_tested", 1); - - // All done! - $this->ret = "done"; - } else { - // Stop! Set a .htaccess file first - $this->ret = "htaccess"; - } - } - } elseif ($tested) { - // System already tested - $this->ret = "done"; - } - } - - // Checks validity of cache file and if content is given - function loadCacheFile ($file, $forceContent = false) { - // Remember cache file - $this->name = $file; - - // Construct FQFN (full qualified file name) - $this->inc = $this->path.$file.".cache"; - - // Check if file exists and if version matches - $status = (FILE_READABLE($this->inc) && (is_writeable($this->inc)) && ($this->extensionVersionMatches("cache"))); - - // Return status - return $status; - } - - function init () { - // This will destory an existing cache file! - if ($this->ret == "done") { - // Create file - if (FILE_READABLE($this->inc)) chmod($this->inc, 0666); - $this->pointer = fopen($this->inc, 'w') or mxchange_die("Cannot write to cache ".$this->inc." !"); - - // Add open PHP tag - fwrite($this->pointer, "storeExtensionVersion("cache"); - } else { - // Cannot create file - ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED); - } - } - - function addRow ($data) { - global $cacheArray; - - if (is_resource($this->pointer)) { - // Write every array element to cache file - foreach ($data as $k => $v) { - // Write global cache array for immediate access - if ((substr($k, 0, 4) == "ext_") && (isset($data['ext_name'])) && (isset($data['ext_id']))) { - if ($k != "ext_name") { - $cacheArray['extensions'][$k][$data['ext_name']] = $v; - } else { - $cacheArray['extensions'][$k][$data['ext_id']] = $v; - } - if (($k == "ext_keep") && ($v == "Y")) { - $cacheArray['active_extensions'][$data['ext_name']] = $v; - } // END - if - } elseif (is_array($v)) { - // Serialize and BASE64-encode the array - $v = base64_encode(serialize($v)); - } - - // Write cache line to file - fwrite($this->pointer, $this->rewriteEntry($k, $v)); - } - } else { - // Cannot create file - ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED); - } - } - - function finalize () { - // Quit function when no pointer is set - if (is_resource($this->pointer)) { - // Write footer - fwrite($this->pointer, "?>\n"); - - // Close file add destroy handler - fclose($this->pointer); - - // Set rights - if (FILE_READABLE($this->inc)) chmod($this->inc, 0666); - - // Remove pointer - $this->pointer = false; - //* DEBUG: */ print __METHOD__."(".__LINE__."): {$this->name} - FINALIZED!
\n"; - } // END - if - } - - function getArrayFromCache () { - // Is the cache already loaded? - if (isset($this->data[$this->name])) { - // Return it's content! - return $this->data[$this->name]; - } // END - if - - // Is the cache file there? - if (FILE_READABLE($this->inc)) { - // Prepare temporary array - $data = array(); - $cache_version = null; - - // Load cache file - require_once($this->inc); - - // Is there an array? - if (is_array($data)) { - // Cache data - $this->data[$this->name] = $data; - - // Cache version found? - if ((is_array($cache_version)) && (count($cache_version) > 0)) { - // Remember it as well... - $this->version[$this->name] = $cache_version; - } else { - // Invalid cache so destroy it - $this->destroyCacheFile(); - - // Clear cached data - $this->data[$this->name] = array(); - } - - // Return cache - return $this->data[$this->name]; - } else { - // Cache problem detected! - $this->destroyCacheFile(); - } - } else { - // Cache file not found or not readable - ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_CANNOT_LOAD_1.$this->inc.CACHE_CANNOT_LOAD_2); - } - } - - // Destroy an existing cache file - function destroyCacheFile () { - // Is the cache file there? - if ((!isset($this->rebuilt[$this->name])) && (FILE_READABLE($this->inc))) { - // Close cache - $this->finalize(); - - // Remove cache file from system - //* DEBUG: */ print __METHOD__."(".__LINE__."): {$this->name} - DESTROYED!
\n"; - unlink($this->inc); - - // Is the file there? - if (!FILE_READABLE($this->inc)) { - // The cache does no longer exist so kill the content - unset($this->data[$this->name]); - unset($this->version[$this->name]); - $this->rebuilt[$this->name] = true; - } else { - // Not removed! - ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_CANNOT_UNLINK_1.$this->inc.CACHE_CANNOT_UNLINK_2); - } - } else { - // Does not exist! - ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED); - } - } - - // Unused method: - function removeEntry ($search, $data, $array) { - if ((FILE_READABLE($this->inc)) && (is_writeable($this->inc))) { - // Load cache into dummy array - $dummy = $this->getArrayFromCache(); - - // Search for key in array - $key = array_search($data, $dummy[$search]); - if (!empty($key)) { - // Key (hopefully) found? - foreach ($array as $a) { - // So we can remove all elements as requested - unset($dummy[$a][$key]); - } // END - foreach - - // Flush array to cache file - $this->init(); - - // Write array out - $this->writeArray($dummy); - - // Close cache file - $this->finalize(); - } - } else { - // Cannot write to cache! - ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED); - } - } - - function writeArray ($array) { - if (is_resource($this->pointer)) { - foreach ($array as $k => $v) { - if (is_array($v)) { - // Multi line(s) found - $LINE = ""; - foreach($v as $k2 => $v2) { - // Put every array element in a row... - $LINE .= $this->rewriteEntry($k, $v2); - } - } else { - // Single line found - $LINE = $this->rewriteEntry($k, $v); - } - - // Write line(s) - fwrite($this->pointer, $LINE); - } // END - foreach - } else { - // Cannot write array! - ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED); - } - } - - // Unused method - function replaceEntry ($search, $replace, $search_key, $array) { - if ((FILE_READABLE($this->inc)) && (is_writeable($this->inc))) { - // Load cache into dummy array - $dummy = $this->getArrayFromCache(); - - // Check if $dummy is valid (prevents some errors) - if ((is_array($dummy)) && (isset($dummy[$search])) && (is_array($dummy[$search]))) { - // Search for key in array - $key_found = array_key_exists($search_key, $dummy[$search]); - if ($key_found == true) { - $key = $search_key; - // Key (hopefully) found? - foreach ($dummy as $a => $v) { - // So we can update all entries - if ($a == $search) { - // Update now... - $dummy[$a][$search_key] = $replace; - } // END - if - } // END - foreach - - // Flush array to cache file - $this->init(); - - // Write array out - $this->writeArray($dummy); - - // Close cache file - $this->finalize(); - } // END - if - } // END - if - } else { - // Cannot write to cache! - ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED); - } - } - - function storeExtensionVersion ($ext_name) { - // Valid cache pointer? - if (is_resource($this->pointer)) { - // Get extension version - $ext_ver = GET_EXT_VERSION($ext_name); - - // Write cache line to file - fwrite($this->pointer, "\$cache_version['".$ext_name."'] = \"".$ext_ver."\";\n"); - - // Add the extension version to object (DO NOT REMOVE IT! Endless loop...) - $this->version[$this->name][$ext_name] = $ext_ver; - //* DEBUG: */ print __METHOD__."(".__LINE__."): {$this->name} - {$ext_name}={$ext_ver}
\n"; - } else { - // Cannot create file - ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED); - } - } - - function extensionVersionMatches ($ext_name) { - // Load cache (dummy) - $this->getArrayFromCache(); - - // Get extension version - $ext_ver = GET_EXT_VERSION($ext_name); - - // Debug messages - if (isset($this->version[$this->name][$ext_name])) { - //* DEBUG: */ print __METHOD__."(".__LINE__."): cache={$this->name},ext_name={$ext_name} - {$ext_ver}/{$this->version[$this->name][$ext_name]}
\n"; - } else { - // No cache version found! - DEBUG_LOG(__METHOD__, __LINE__, "Cache {$this->name} has missing entry for extension {$ext_name}!"); - } - - // Compare both - return ((isset($this->version[$this->name][$ext_name])) && ($this->version[$this->name][$ext_name] == $ext_ver)); - } - - function rewriteEntry ($key, $value) { - // Init line - $line = ""; - - // String or non-string? ;-) - if (is_string($value)) { - // String... - $line = "\$data['".$key."'][] = \"".$value."\";\n"; - } elseif (is_null($value)) { - // Null - $line = "\$data['".$key."'][] = null;\n"; - } elseif (is_bool($value)) { - // Boolean value - if ($value === true) { - $line = "\$data['".$key."'][] = true;\n"; - } else { - $line = "\$data['".$key."'][] = false;\n"; - } - } else { - // Non-string - $line = "\$data['".$key."'][] = ".$value.";\n"; - } - - // Return line - return $line; - } - - function getStatus () { - return $this->ret; - } -} - -// Destroy the cache on extension changes -function FILTER_CACHE_DESTROY_ON_EXT_CHANGE ($data) { - global $cacheInstance; - - // Remove cache - if (EXT_IS_ACTIVE("cache")) { - if ($cacheInstance->loadCacheFile("config")) $cacheInstance->destroyCacheFile(); - if ($cacheInstance->loadCacheFile("extensions")) $cacheInstance->destroyCacheFile(); - if ($cacheInstance->loadCacheFile("mod_reg")) $cacheInstance->destroyCacheFile(); - } // END - if - - // Return it - return $DATA; -} - -// Destroy the cache on changing admin -function FILTER_CACHE_DESTROY_ON_ADMIN_CHANGE () { - global $cacheInstance; - - // Remove cache - if (EXT_IS_ACTIVE("cache")) { - if ($cacheInstance->loadCacheFile("admins")) $cacheInstance->destroyCacheFile(); - } // END - if -} - -// Destroy all cache files -function FILTER_CACHE_DESTROY_ALL () { - global $cacheInstance; - - // Remove cache - if (EXT_IS_ACTIVE("cache")) { - if ($cacheInstance->loadCacheFile("admins")) $cacheInstance->destroyCacheFile(); - if ($cacheInstance->loadCacheFile("admins_acls")) $cacheInstance->destroyCacheFile(); - if ($cacheInstance->loadCacheFile("config")) $cacheInstance->destroyCacheFile(); - if ($cacheInstance->loadCacheFile("extensions")) $cacheInstance->destroyCacheFile(); - if ($cacheInstance->loadCacheFile("mod_reg")) $cacheInstance->destroyCacheFile(); - if ($cacheInstance->loadCacheFile("refdepths")) $cacheInstance->destroyCacheFile(); - if ($cacheInstance->loadCacheFile("refsystem")) $cacheInstance->destroyCacheFile(); - if ($cacheInstance->loadCacheFile("themes")) $cacheInstance->destroyCacheFile(); - } // END - if -} - -// Filter for purging entire admin menu cache -function FILTER_CACHE_PURGE_ADMIN_MENU () { - // Just call the function - CACHE_PURGE_ADMIN_MENU(); -} + die(); +} // END - if -// +// [EOF] ?>