MRBS 1.12.2 等保2.0二级整改完整提交
包含：登录失败锁定、90天密码有效期、30分钟会话超时、 强制改密、登录审计日志、屏幕水印、企业背景图、 备案信息固定底部、favicon、JS空集合保护、 会话过期体验优化（403 JSON）、display_errors 关闭、 固定 key 根治 Integrity check failed 等全部改动 注意：config.inc.php/.htaccess/.user.ini 含敏感信息， 通过 .gitignore 排除，勿推送到公开仓库。
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人事系统开发
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<?php
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declare(strict_types=1);
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namespace MRBS\ICalendar;
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class ComponentFactory
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{
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/**
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* Create a component from a string containing the component content.
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*
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* @return Component|false The component object, or false if the string is not a valid component.
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*/
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public static function createFromString(string $content)
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{
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// Trim and unfold the content, then split it into lines,
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$lines = explode(Calendar::EOL, self::unfold(trim($content)));
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// It should have at least two lines: the first BEGIN: line and the last END: line.
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if (count($lines) < 2)
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{
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trigger_error("Component has fewer than two lines: '$content'", E_USER_WARNING);
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return false;
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}
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// Work out what kind of component this is from the first line.
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$first_line = array_shift($lines);
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if (!str_starts_with($first_line, 'BEGIN:'))
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{
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trigger_error("First line of component is not BEGIN: line: '$first_line'", E_USER_WARNING);
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return false;
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}
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$component_name = mb_substr($first_line, mb_strlen('BEGIN:'));
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// Check that the last line is a matching END: line.
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if ("END:$component_name" !== ($last_line = array_pop($lines)))
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{
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trigger_error("Last line of component is not 'END:$component_name' line: '$last_line'", E_USER_WARNING);
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return false;
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}
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// Create the component object.
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switch ($component_name)
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{
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case Alarm::NAME:
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$component = new Alarm();
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break;
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case Daylight::NAME:
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$component = new Daylight();
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break;
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case Event::NAME:
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$component = new Event();
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break;
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case Freebusy::NAME:
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$component = new Freebusy();
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break;
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case Journal::NAME:
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$component = new Journal();
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break;
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case Standard::NAME:
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$component = new Standard();
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break;
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case Timezone::NAME:
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$component = new Timezone();
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break;
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case Todo::NAME:
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$component = new Todo();
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break;
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default:
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trigger_error("Unknown component type: '$component_name'", E_USER_WARNING);
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return false;
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break;
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}
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// Go through the lines and add the properties to the component.
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while (null !== ($line = array_shift($lines)))
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{
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// Check for a nested component
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if (!str_starts_with($line, 'BEGIN:'))
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{
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// Not a nested component, so add the line as a property.
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$component->addProperty(Property::createFromString($line));
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}
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else
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{
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// We've got a nested component.
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$nested_component_name = mb_substr($line, mb_strlen('BEGIN:'));
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// Save the lines until we reach the END: line
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$nested_lines = [];
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do {
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$nested_lines[] = $line;
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} while (null !== ($line = array_shift($lines)) && ("END:$nested_component_name" !== $line));
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if (null === $line)
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{
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trigger_error("Nested $nested_component_name component does not have an END: line", E_USER_WARNING);
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return false;
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}
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// Add the END: line to the nested lines.
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$nested_lines[] = $line;
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// Get the nested component and add it to this component.
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// This code allows for an unlimited depth of nested components, though in practice only one level should be needed.
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if (false === ($nested_component = self::createFromString(implode(Calendar::EOL, $nested_lines))))
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{
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return false;
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}
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$component->addComponent($nested_component);
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}
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}
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return $component;
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}
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/**
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* Reads the next component from a stream and creates a corresponding component object.
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*
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* @param resource $stream The input stream to read the component from.
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* @param string|null $component_name The specific component name to look for, or null to read any component.
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*
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* @return Component|false The component object if a valid component is found, or false if there are no more components.
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*/
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public static function getNextFromStream($stream, ?string $component_name=null)
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{
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$lines = [];
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// Theoretically the line should be folded if it's longer than 75 octets,
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// but, just in case the file has been created without using folding, we
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// will read a large number (4096) of bytes to make sure that we get as
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// far as the end of the line.
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while (false !== ($line = stream_get_line($stream, 4096, Calendar::EOL)))
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{
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if (empty($lines))
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{
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if (str_starts_with($line, 'BEGIN:'))
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{
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// Work out what kind of component this is from the first line and see if it's the
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// one we're looking for. If it is, or if we're not looking for a specific component,
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// then start saving the content lines.
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$this_component_name = mb_substr($line, mb_strlen('BEGIN:'));
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if (!isset($component_name))
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{
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$component_name = $this_component_name;
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}
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elseif ($component_name !== $this_component_name)
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{
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continue;
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}
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// We've reached the start of a new component, so start saving the lines.
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$lines[] = $line;
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}
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}
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else
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{
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$lines[] = $line;
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if ($line == "END:$this_component_name")
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{
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// We've reached the end of the component, so return the Component object.
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$content = implode(Calendar::EOL, $lines);
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return ComponentFactory::createFromString($content);
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}
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}
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}
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return false;
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}
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/**
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* Reverse the RFC 5545 folding process, which splits lines into groups
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* of max 75 octets separated by 'CRLFspace' or 'CRLFtab'.
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*/
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private static function unfold(string $str) : string
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{
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return preg_replace('/\r\n[ \t]/u', '', $str);
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}
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}
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