1 | <?php |
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2 | /** |
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3 | * Class Header |
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4 | * |
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5 | * @link https://www.icy2003.com/ |
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6 | * @author icy2003 <[email protected]> |
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7 | * @copyright Copyright (c) 2017, icy2003 |
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8 | */ |
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9 | |||
10 | namespace icy2003\php\ihelpers; |
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11 | |||
12 | use icy2003\php\I; |
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13 | |||
14 | /** |
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15 | * 对 header 函数的一些封装 |
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16 | */ |
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17 | class Header |
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18 | { |
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19 | |||
20 | /** |
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21 | * 发送原生 HTTP 头 |
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22 | * |
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23 | * - 兼容 Workerman 的 header 头 |
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24 | * |
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25 | * @param string $string 头字符串 |
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26 | * @param boolean $replace 是否用后面的头替换前面相同类型的头,默认是 |
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27 | * @param integer $httpResponseCode 强制指定HTTP响应的值,默认不强制 |
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28 | * |
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29 | * @return void |
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30 | */ |
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31 | public static function send($string, $replace = true, $httpResponseCode = null) |
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32 | { |
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33 | if (method_exists('\Workerman\Protocols\Http', 'header')) { |
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34 | call_user_func_array('\Workerman\Protocols\Http::header', [$string, $replace, $httpResponseCode]); |
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35 | } else { |
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36 | header($string, $replace, $httpResponseCode); |
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37 | } |
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38 | } |
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39 | |||
40 | /** |
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41 | * 正常访问 |
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42 | * |
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43 | * HTTP 返回 200 |
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44 | * |
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45 | * @return void |
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46 | */ |
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47 | public static function ok($info = 'OK') |
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48 | { |
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49 | self::send('HTTP/1.1 200 ' . $info); |
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50 | } |
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51 | |||
52 | /** |
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53 | * 永久跳转 |
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54 | * |
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55 | * HTTP 返回 301 |
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56 | * |
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57 | * @param string $url 永久跳转的地址 |
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58 | * |
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59 | * @return void |
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60 | */ |
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61 | public static function redirectPermanently($url, $info = 'Moved Permanently') |
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62 | { |
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63 | self::send('HTTP/1.1 301 ' . $info); |
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64 | self::send('Location: ' . $url); |
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65 | } |
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66 | |||
67 | /** |
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68 | * 跳转到一个新的地址 |
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69 | * |
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70 | * HTTP 返回 302 |
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71 | * |
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72 | * @param string|null $url 新地址,如果不给这个值,表示刷新当前页面 |
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73 | * @param integer $time 延迟时间,单位秒 |
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74 | * |
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75 | * @return void |
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76 | */ |
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77 | public static function redirect($url = null, $time = 0, $info = 'Found') |
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78 | { |
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79 | null === $url && $url = ''; |
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80 | if ($time < 0) { |
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81 | throw new \Exception('time 参数不能小于 0 '); |
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82 | } else { |
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83 | self::send('HTTP/1.1 302 ' . $info); |
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84 | self::send('Refresh: ' . $time . '; ' . $url); |
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85 | } |
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86 | } |
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87 | |||
88 | /** |
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89 | * 告诉浏览器文档内容没有发生改变 |
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90 | * |
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91 | * @return void |
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92 | */ |
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93 | public static function notModified($info = 'Not Modified') |
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94 | { |
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95 | self::send('HTTP/1.1 304 ' . $info); |
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96 | } |
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97 | |||
98 | /** |
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99 | * 禁止访问 |
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100 | * |
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101 | * @return void |
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102 | */ |
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103 | public static function forbidden($info = 'Forbidden') |
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104 | { |
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105 | self::send('HTTP/1.1 403 ' . $info); |
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106 | } |
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107 | |||
108 | /** |
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109 | * 页面不存在 |
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110 | * |
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111 | * HTTP 返回 404 |
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112 | * |
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113 | * @return void |
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114 | */ |
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115 | public static function notFound($info = 'Not Found') |
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116 | { |
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117 | self::send('HTTP/1.1 404 ' . $info); |
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118 | } |
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119 | |||
120 | /** |
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121 | * 服务器错误 |
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122 | * |
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123 | * @return void |
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124 | */ |
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125 | public static function serverError($info = 'Internal Server Error') |
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126 | { |
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127 | self::send('HTTP/1.1 500 ' . $info); |
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128 | } |
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129 | |||
130 | /** |
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131 | * 设置网页编码为 UTF-8 |
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132 | * |
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133 | * @return void |
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134 | */ |
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135 | public static function utf8() |
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136 | { |
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137 | self::send('Content-Type: text/html; charset=utf-8'); |
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138 | } |
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139 | |||
140 | /** |
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141 | * 内容类型为 JSON |
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142 | * |
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143 | * @return void |
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144 | */ |
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145 | public static function json() |
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146 | { |
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147 | self::send('Content-Type: application/json'); |
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148 | } |
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149 | |||
150 | /** |
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151 | * 内容类型为 XML |
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152 | * |
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153 | * @return void |
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154 | */ |
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155 | public static function xml() |
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156 | { |
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157 | self::send('Content-Type: text/xml'); |
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158 | } |
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159 | |||
160 | /** |
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161 | * 设置可跨域的域名 |
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162 | * |
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163 | * @param array|string $urls 跨域域名列表,格式例如:http://127.0.0.1:8080 |
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164 | * |
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165 | * @return void |
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166 | */ |
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167 | public static function allowOrigin($urls = '*') |
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168 | { |
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169 | if ('*' === $urls) { |
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170 | self::send('Access-Control-Allow-Origin:*'); |
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171 | } else { |
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172 | $origin = I::get($_SERVER, 'HTTP_ORIGIN'); |
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173 | $urls = Strings::toArray($urls); |
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174 | if (is_array($urls) && in_array($origin, $urls)) { |
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175 | self::send('Access-Control-Allow-Origin:' . $origin); |
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176 | } |
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177 | } |
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178 | self::send('Access-Control-Max-Age:86400'); |
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179 | self::send('Access-Control-Allow-Credentials:true'); |
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180 | self::send('Access-Control-Allow-Methods:*'); |
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181 | self::send('Access-Control-Allow-Headers:Origin, No-Cache, X-Requested-With, If-Modified-Since, Pragma, Last-Modified, Cache-Control, Expires, Content-Type, Authorization, X-E4M-With'); |
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182 | } |
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183 | |||
184 | /** |
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185 | * 修改 X-Powered-By信息 |
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186 | * |
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187 | * @param string $string |
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188 | * |
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189 | * @return void |
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190 | */ |
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191 | public static function xPoweredBy($string = 'icy2003') |
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192 | { |
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193 | self::send('X-Powered-By: ' . $string); |
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194 | } |
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195 | |||
196 | /** |
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197 | * 禁用缓存 |
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198 | * |
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199 | * @return void |
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200 | */ |
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201 | public static function noCache() |
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202 | { |
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203 | self::send('Cache-Control: no-cache, no-store, max-age=0, must-revalidate'); |
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204 | self::send('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); |
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205 | } |
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206 | |||
207 | /** |
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208 | * 设置 X-Frame-Options 选项 |
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209 | * |
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210 | * - 部分浏览器可能不支持,@link https://developer.mozilla.org/zh-CN/docs/Web/HTTP/X-Frame-Options |
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211 | * |
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212 | * @param boolean|string $asFrame 取值如下: |
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213 | * - false:X-Frame-Options: deny 表示该页面不允许在 frame 中展示,即便是在相同域名的页面中嵌套也不允许 |
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214 | * - true:X-Frame-Options: sameorigin 表示该页面可以在相同域名页面的 frame 中展示 |
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215 | * - 字符串:X-Frame-Options: allow-from https://example.com/ 表示该页面可以在指定来源的 frame 中展示 |
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216 | * |
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217 | * @return void |
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218 | */ |
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219 | public static function frame($asFrame = true) |
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220 | { |
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221 | if (true === $asFrame) { |
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222 | self::send('X-Frame-Options: sameorigin'); |
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223 | } elseif (false === $asFrame) { |
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224 | self::send('X-Frame-Options: deny'); |
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225 | } else { |
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226 | $asFrame = (string) $asFrame; |
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227 | self::send('X-Frame-Options: allow-from ' . $asFrame); |
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228 | } |
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229 | } |
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230 | |||
231 | /** |
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232 | * 是否禁用 mine 嗅探 |
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233 | * |
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234 | * - 部分浏览器不支持,@link https://developer.mozilla.org/zh-CN/docs/Web/HTTP/Headers/X-Content-Type-Options |
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235 | * - 下面两种情况的请求将被阻止: |
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236 | * 1. 请求类型是"style" 但是 MIME 类型不是 "text/css", |
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237 | * 2. 请求类型是"script" 但是 MIME 类型不是 |
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238 | * |
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239 | * @param boolean $disabled 默认禁用 |
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240 | * |
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241 | * @return void |
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242 | */ |
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243 | public static function mimeSniffing($disabled = true) |
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244 | { |
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245 | if (true === $disabled) { |
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246 | self::send('X-Content-Type-Options: nosniff'); |
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247 | } |
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248 | } |
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249 | } |
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250 |