72 lines
1.8 KiB
PHP
72 lines
1.8 KiB
PHP
<?php
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namespace App\Http\Controllers;
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use App\Services\CaptchaService;
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use Gregwar\Captcha\CaptchaBuilder;
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use Illuminate\Http\Request;
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use Illuminate\Support\Str;
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class CaptchaController extends Controller
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{
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/**
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* 创建图形验证码
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*/
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public function store(Request $request, CaptchaService $captchaService)
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{
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$request->validate([
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'key' => ['bail', 'filled', 'string', 'max:32'],
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'w' => ['bail', 'int'],
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'h' => ['bail', 'int'],
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]);
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$builder = $this->builder();
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$builder->build($request->input('w', 150), $request->input('h', 40));
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$captchaService->put(
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$key = $request->input('key', Str::random(16)),
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$builder->getPhrase()
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);
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return response()->json([
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'key' => $key,
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'img' => $builder->inline(),
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]);
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}
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/**
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* 查看图形验证码
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*
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* @param string $key
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* @param \Illuminate\Http\Request $request
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* @param \App\Services\CaptchaService $captchaService
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* @return \Illuminate\Http\Response
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*/
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public function show($key, Request $request, CaptchaService $captchaService)
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{
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$builder = $this->builder();
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$builder->build(
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(int) $request->query('w', 150),
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(int) $request->query('h', 40),
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);
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if (strlen($key) <= 32) {
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$captchaService->put($key, $builder->getPhrase());
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}
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return response($builder->get())
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->header('Content-Type', 'image/jpeg')
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->header('Cache-Control', 'no-cache');
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}
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/**
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* 图形验证码生成器
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*
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* @return \Gregwar\Captcha\CaptchaBuilder
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*/
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protected function builder(): CaptchaBuilder
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{
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return new CaptchaBuilder(Str::random(5));
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}
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}
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