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FileValidator

Struct FileValidator 

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pub struct FileValidator { /* private fields */ }
Expand description

文件校验器 — 对齐 PHP app\common\library\storage\Driver::validate

PHP 行为(第 25-46 行):

public function validate($name, $fileInfo, $sence = 'image'){
    if($sence == 'image'){
        try{
            validate([$name=>[...]], [$name.'.fileSize' => '...', ...])
                ->check([$name => $fileInfo]);
            return true;
        }catch(\Exception $e){
            $this->engine->error = $e->getMessage();
            return false;
        }
    }
    return false;
}

§Rust 端语义

  • PHP sence == 'image' 分支 → FileValidator::validate_image
  • PHP sence != 'image' 直接 return false → Rust 端不提供此分支 (业务层应直接拒绝非 image 场景,或使用其他校验器)

Implementations§

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impl FileValidator

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pub fn new() -> Self

创建校验器(使用默认图片规则和消息,对齐 PHP Driver::validate 默认行为)

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pub fn with(rule: FileValidateRule, messages: FileValidateMessages) -> Self

创建校验器(自定义规则和消息)

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pub fn rule(&self) -> &FileValidateRule

获取校验规则引用

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pub fn messages(&self) -> &FileValidateMessages

获取校验消息引用

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pub fn check_ext(file: &UploadedFile, allowed: &[String]) -> bool

校验扩展名 — 对齐 PHP Validate::checkExt 第 957-964 行

PHP 行为:

protected function checkExt(File $file, $ext): bool {
    if (is_string($ext)) { $ext = explode(',', $ext); }
    return in_array(strtolower($file->extension()), $ext);
}

注意$file->extension()UploadedFile 会调用覆写版本(返回 original_extension)。

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pub fn check_mime( file: &File, allowed: &[String], ) -> Result<bool, FileValidateError>

校验 MIME — 对齐 PHP Validate::checkMime 第 985-992 行

PHP 行为:

protected function checkMime(File $file, $mime): bool {
    if (is_string($mime)) { $mime = explode(',', $mime); }
    return in_array(strtolower($file->getMime()), $mime);
}

注意$file->getMime() 使用服务器端 finfo_file 检测(Rust 端使用 infer crate)。

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pub fn check_size(file: &File, max: u64) -> Result<bool, FileValidateError>

校验大小 — 对齐 PHP Validate::checkSize 第 973-976 行

PHP 行为:

protected function checkSize(File $file, $size): bool {
    return $file->getSize() <= (int) $size;
}
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pub fn validate_image( &self, file: &UploadedFile, ) -> Result<(), FileValidateError>

校验文件 — 对齐 PHP Driver::validate($name, $fileInfo, 'image')

执行顺序:扩展名 → MIME → 大小(对齐 PHP validate()->check() 的规则遍历顺序)

§返回值
  • Ok(()):校验通过
  • Err(FileValidateError::*):校验失败,包含错误消息(对齐 PHP $e->getMessage()

Trait Implementations§

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impl Clone for FileValidator

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fn clone(&self) -> FileValidator

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for FileValidator

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for FileValidator

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fn default() -> Self

Returns the “default value” for a type. Read more

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