1 | <?php |
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2 | /* |
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3 | * This file is part of the Shieldon package. |
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4 | * |
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5 | * (c) Terry L. <[email protected]> |
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6 | * |
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7 | * For the full copyright and license information, please view the LICENSE |
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8 | * file that was distributed with this source code. |
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9 | */ |
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10 | |||
11 | declare(strict_types=1); |
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12 | |||
13 | namespace Shieldon\Psr7; |
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14 | |||
15 | use Psr\Http\Message\UriInterface; |
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16 | use InvalidArgumentException; |
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17 | |||
18 | use function filter_var; |
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19 | use function gettype; |
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20 | use function is_integer; |
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21 | use function is_null; |
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22 | use function is_string; |
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23 | use function ltrim; |
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24 | use function parse_url; |
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25 | use function rawurlencode; |
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26 | use function sprintf; |
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27 | |||
28 | /* |
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29 | * Value object representing a URI. |
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30 | */ |
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31 | class Uri implements UriInterface |
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32 | { |
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33 | /** |
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34 | * foo://example.com:8042/over/there?name=ferret#nose |
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35 | * \_/ \______________/\_________/ \_________/ \__/ |
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36 | * | | | | | |
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37 | * scheme authority path query fragment |
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38 | */ |
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39 | |||
40 | /** |
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41 | * The scheme component of the URI. |
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42 | * For example, https://terryl.in/ |
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43 | * In this case, "https" is the scheme. |
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44 | * |
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45 | * @var string |
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46 | */ |
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47 | protected $scheme; |
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48 | |||
49 | /** |
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50 | * The user component of the URI. |
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51 | * For example, https://jack:[email protected] |
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52 | * In this case, "jack" is the user. |
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53 | * |
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54 | * @var string |
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55 | */ |
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56 | protected $user; |
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57 | |||
58 | /** |
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59 | * The password component of the URI. |
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60 | * For example, http://jack:[email protected] |
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61 | * In this case, "1234" is the password. |
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62 | * |
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63 | * @var string |
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64 | */ |
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65 | protected $pass; |
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66 | |||
67 | /** |
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68 | * The host component of the URI. |
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69 | * For example, https://terryl.in:443/zh/ |
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70 | * In this case, "terryl.in" is the host. |
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71 | * |
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72 | * @var string |
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73 | */ |
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74 | protected $host; |
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75 | |||
76 | /** |
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77 | * The port component of the URI. |
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78 | * For example, https://terryl.in:443 |
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79 | * In this case, "443" is the port. |
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80 | * |
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81 | * @var int|null |
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82 | */ |
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83 | protected $port; |
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84 | |||
85 | /** |
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86 | * The path component of the URI. |
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87 | * For example, https://terryl.in/zh/?paged=2 |
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88 | * In this case, "/zh/" is the path. |
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89 | * |
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90 | * @var string |
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91 | */ |
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92 | protected $path; |
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93 | |||
94 | /** |
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95 | * The query component of the URI. |
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96 | * For example, https://terryl.in/zh/?paged=2 |
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97 | * In this case, "paged=2" is the query. |
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98 | * |
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99 | * @var string |
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100 | */ |
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101 | protected $query; |
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102 | |||
103 | /** |
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104 | * The fragment component of the URI. |
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105 | * For example, https://terryl.in/#main-container |
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106 | * In this case, "main-container" is the fragment. |
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107 | * |
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108 | * @var string |
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109 | */ |
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110 | protected $fragment; |
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111 | |||
112 | /** |
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113 | * Uri constructor. |
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114 | * |
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115 | * @param string $uri The URI. |
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116 | */ |
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117 | public function __construct($uri = '') |
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118 | { |
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119 | $this->init(); |
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120 | |||
121 | if ($uri !== '') { |
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122 | $this->assertValidUri($uri); |
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123 | $this->init(parse_url($uri)); |
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124 | } |
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125 | } |
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126 | |||
127 | /** |
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128 | * {@inheritdoc} |
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129 | */ |
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130 | public function getScheme(): string |
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131 | { |
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132 | return $this->scheme; |
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133 | } |
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134 | |||
135 | /** |
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136 | * {@inheritdoc} |
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137 | */ |
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138 | public function getAuthority(): string |
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139 | { |
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140 | $authority = ''; |
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141 | |||
142 | if ($this->getUserInfo()) { |
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143 | $authority .= $this->getUserInfo() . '@'; |
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144 | } |
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145 | |||
146 | $authority .= $this->getHost(); |
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147 | |||
148 | if (! empty($this->getPort())) { |
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149 | $authority .= ':' . $this->getPort(); |
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150 | } |
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151 | |||
152 | return $authority; |
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153 | } |
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154 | |||
155 | /** |
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156 | * {@inheritdoc} |
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157 | */ |
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158 | public function getUserInfo(): string |
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159 | { |
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160 | $userInfo = $this->user; |
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161 | |||
162 | if (! empty($this->pass)) { |
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163 | $userInfo .= ':' . $this->pass; |
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164 | } |
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165 | |||
166 | return $userInfo; |
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167 | } |
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168 | |||
169 | /** |
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170 | * {@inheritdoc} |
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171 | */ |
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172 | public function getHost(): string |
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173 | { |
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174 | return $this->host; |
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175 | } |
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176 | |||
177 | /** |
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178 | * {@inheritdoc} |
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179 | */ |
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180 | public function getPort() |
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181 | { |
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182 | return $this->port; |
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183 | } |
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184 | |||
185 | /** |
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186 | * {@inheritdoc} |
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187 | */ |
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188 | public function getPath(): string |
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189 | { |
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190 | return $this->path; |
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191 | } |
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192 | |||
193 | /** |
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194 | * {@inheritdoc} |
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195 | */ |
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196 | public function getQuery(): string |
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197 | { |
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198 | return $this->query; |
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199 | } |
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200 | |||
201 | /** |
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202 | * {@inheritdoc} |
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203 | */ |
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204 | public function getFragment(): string |
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205 | { |
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206 | return $this->fragment; |
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207 | } |
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208 | |||
209 | /** |
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210 | * {@inheritdoc} |
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211 | */ |
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212 | public function withScheme($scheme) |
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213 | { |
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214 | $this->assertScheme($scheme); |
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215 | |||
216 | $scheme = $this->filter('scheme', $scheme); |
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217 | |||
218 | $clone = clone $this; |
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219 | $clone->scheme = $scheme; |
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220 | return $clone; |
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221 | } |
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222 | |||
223 | /** |
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224 | * {@inheritdoc} |
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225 | */ |
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226 | public function withUserInfo($user, $pass = null) |
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227 | { |
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228 | $this->assertString($user, 'user'); |
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229 | $user = $this->filter('user', $user); |
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230 | |||
231 | if ($pass) { |
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232 | $this->assertString($pass, 'pass'); |
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233 | $pass = $this->filter('pass', $pass); |
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234 | } |
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235 | |||
236 | $clone = clone $this; |
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237 | $clone->user = $user; |
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238 | $clone->pass = $pass; |
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239 | |||
240 | return $clone; |
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241 | } |
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242 | |||
243 | /** |
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244 | * {@inheritdoc} |
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245 | */ |
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246 | public function withHost($host) |
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247 | { |
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248 | $this->assertHost($host); |
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249 | |||
250 | $host = $this->filter('host', $host); |
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251 | |||
252 | $clone = clone $this; |
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253 | $clone->host = $host; |
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254 | |||
255 | return $clone; |
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256 | } |
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257 | |||
258 | /** |
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259 | * {@inheritdoc} |
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260 | */ |
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261 | public function withPort($port) |
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262 | { |
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263 | $this->assertPort($port); |
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264 | |||
265 | $port = $this->filter('port', $port); |
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266 | |||
267 | $clone = clone $this; |
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268 | $clone->port = $port; |
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269 | |||
270 | return $clone; |
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271 | } |
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272 | |||
273 | /** |
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274 | * {@inheritdoc} |
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275 | */ |
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276 | public function withPath($path) |
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277 | { |
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278 | $this->assertString($path, 'path'); |
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279 | |||
280 | $path = $this->filter('path', $path); |
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281 | |||
282 | $clone = clone $this; |
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283 | $clone->path = '/' . rawurlencode(ltrim($path, '/')); |
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284 | |||
285 | return $clone; |
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286 | } |
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287 | |||
288 | /** |
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289 | * {@inheritdoc} |
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290 | */ |
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291 | public function withQuery($query) |
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292 | { |
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293 | $this->assertString($query, 'query'); |
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294 | |||
295 | $query = $this->filter('query', $query); |
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296 | |||
297 | // & => %26 |
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298 | // ? => %3F |
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299 | |||
300 | $clone = clone $this; |
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301 | $clone->query = $query; |
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302 | |||
303 | return $clone; |
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304 | } |
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305 | |||
306 | /** |
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307 | * {@inheritdoc} |
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308 | */ |
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309 | public function withFragment($fragment) |
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310 | { |
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311 | $this->assertString($fragment, 'fragment'); |
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312 | |||
313 | $fragment = $this->filter('fragment', $fragment); |
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314 | |||
315 | $clone = clone $this; |
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316 | $clone->fragment = rawurlencode($fragment); |
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317 | |||
318 | return $clone; |
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319 | } |
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320 | |||
321 | /** |
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322 | * {@inheritdoc} |
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323 | */ |
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324 | public function __toString(): string |
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325 | { |
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326 | $uri = ''; |
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327 | |||
328 | // If a scheme is present, it MUST be suffixed by ":". |
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329 | if ($this->getScheme()) { |
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330 | $uri .= $this->getScheme() . ':'; |
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331 | } |
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332 | |||
333 | // If an authority is present, it MUST be prefixed by "//". |
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334 | if ($this->getAuthority()) { |
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335 | $uri .= '//' . $this->getAuthority(); |
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336 | } |
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337 | |||
338 | // If the path is rootless and an authority is present, the path MUST |
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339 | // be prefixed by "/". |
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340 | $uri .= '/' . ltrim($this->getPath(), '/'); |
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341 | |||
342 | // If a query is present, it MUST be prefixed by "?". |
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343 | if ($this->getQuery()) { |
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344 | $uri .= '?' . $this->getQuery(); |
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345 | } |
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346 | |||
347 | // If a fragment is present, it MUST be prefixed by "#". |
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348 | if ($this->getFragment()) { |
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349 | $uri .= '#' . $this->getFragment(); |
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350 | } |
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351 | |||
352 | return $uri; |
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353 | } |
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354 | |||
355 | /* |
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356 | |-------------------------------------------------------------------------- |
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357 | | Non PSR-7 Methods. |
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358 | |-------------------------------------------------------------------------- |
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359 | */ |
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360 | |||
361 | /** |
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362 | * Initialize. |
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363 | * |
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364 | * @param array $data Parsed URL data. |
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365 | * |
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366 | * @return void |
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367 | */ |
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368 | protected function init(array $data = []): void |
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369 | { |
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370 | $components = [ |
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371 | 'scheme', |
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372 | 'user', |
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373 | 'pass', |
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374 | 'host', |
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375 | 'port', |
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376 | 'path', |
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377 | 'query', |
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378 | 'fragment' |
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379 | ]; |
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380 | |||
381 | foreach($components as $v) { |
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382 | $this->{$v} = isset($data[$v]) ? $this->filter($v, $data[$v]) : ''; |
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383 | } |
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384 | |||
385 | // According to PSR-7, return null or int for the URI port. |
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386 | $this->port = isset($data['port']) ? (int) $data['port'] : null; |
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387 | } |
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388 | |||
389 | /** |
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390 | * Filter URI components. |
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391 | * |
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392 | * Users can provide both encoded and decoded characters. |
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393 | * Implementations ensure the correct encoding as outlined. |
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394 | * @see https://tools.ietf.org/html/rfc3986#section-2.2 |
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395 | * |
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396 | * @param string $key |
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397 | * @param string|int|null $value |
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398 | * |
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399 | * @return string |
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400 | */ |
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401 | protected function filter(string $key, $value) |
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402 | { |
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403 | // gen-delims = ":" / "/" / "?" / "#" / "[" / "]" / "@" |
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404 | // $genDelims = ':/\?#\[\]@'; |
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405 | |||
406 | // sub-delims = "!" / "$" / "&" / "'" / "(" / ")" |
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407 | // / "*" / "+" / "," / ";" / "=" |
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408 | $subDelims = '!\$&\'\(\)\*\+,;='; |
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409 | |||
410 | // $unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~" |
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411 | $unReserved = 'a-zA-Z0-9\-\._~'; |
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412 | |||
413 | // Encoded characters, such as "?" encoded to "%3F". |
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414 | $encodePattern = '%(?![A-Fa-f0-9]{2})'; |
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415 | |||
416 | $regex = ''; |
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417 | |||
418 | switch ($key) { |
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419 | |||
420 | case 'query': |
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421 | case 'fragment': |
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422 | $specPattern = '%:@\/\?'; |
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423 | $regex = '/(?:[^' . $unReserved . $subDelims . $specPattern . ']+|' . $encodePattern . ')/'; |
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424 | break; |
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425 | |||
426 | case 'path': |
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427 | $specPattern = '%:@\/'; |
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428 | $regex = '/(?:[^' . $unReserved . $subDelims . $specPattern . ']+|' . $encodePattern . ')/'; |
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429 | break; |
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430 | |||
431 | case 'user': |
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432 | case 'pass': |
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433 | $regex = '/(?:[^%' . $unReserved . $subDelims . ']+|' . $encodePattern . ')/'; |
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434 | break; |
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435 | |||
436 | default: |
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437 | } |
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438 | |||
439 | if ($regex) { |
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440 | return preg_replace_callback( |
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441 | $regex, |
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442 | function ($match) { |
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443 | return rawurlencode($match[0]); |
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444 | }, |
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445 | $value |
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446 | ); |
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447 | } |
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448 | |||
449 | return $value; |
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450 | } |
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451 | |||
452 | /** |
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453 | * Throw exception for the invalid scheme. |
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454 | * |
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455 | * @param string $scheme The scheme string of a URI. |
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456 | * |
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457 | * @return void |
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458 | * |
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459 | * @throws InvalidArgumentException |
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460 | */ |
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461 | protected function assertScheme($scheme): void |
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462 | { |
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463 | $this->assertString($scheme, 'scheme'); |
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464 | |||
465 | $validSchemes = [ |
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466 | 0 => '', |
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467 | 1 => 'http', |
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468 | 2 => 'https', |
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469 | ]; |
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470 | |||
471 | if (! in_array($scheme, $validSchemes)) { |
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472 | throw new InvalidArgumentException( |
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473 | sprintf( |
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474 | 'The string "%s" is not a valid scheme.', |
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475 | $scheme |
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476 | ) |
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477 | ); |
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478 | } |
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479 | } |
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480 | |||
481 | /** |
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482 | * Throw exception for the invalid value. |
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483 | * |
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484 | * @param string $value The value to check. |
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485 | * @param string $name The name of the value. |
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486 | * |
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487 | * @return void |
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488 | * |
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489 | * @throws InvalidArgumentException |
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490 | */ |
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491 | protected function assertString($value, string $name = 'it'): void |
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492 | { |
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493 | if (! is_string($value)) { |
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494 | throw new InvalidArgumentException( |
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495 | sprintf( |
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496 | ucfirst($name) . ' must be a string, but %s provided.', |
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497 | gettype($value) |
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498 | ) |
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499 | ); |
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500 | } |
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501 | } |
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502 | |||
503 | /** |
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504 | * Throw exception for the invalid URI string. |
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505 | * |
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506 | * @param string $uri The URI string. |
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507 | * |
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508 | * @return void |
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509 | * |
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510 | * @throws InvalidArgumentException |
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511 | */ |
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512 | protected function assertValidUri($uri): void |
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513 | { |
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514 | $this->assertString($uri, 'uri'); |
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515 | |||
516 | if (! filter_var($uri, FILTER_VALIDATE_URL)) { |
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517 | throw new InvalidArgumentException( |
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518 | sprintf( |
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519 | '"%s" is not a valid URI', |
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520 | $uri |
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521 | ) |
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522 | ); |
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523 | } |
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524 | } |
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525 | |||
526 | /** |
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527 | * Throw exception for the invalid host string. |
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528 | * |
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529 | * @param string $host The host string to of a URI. |
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530 | * |
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531 | * @return void |
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532 | * |
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533 | * @throws InvalidArgumentException |
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534 | */ |
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535 | protected function assertHost($host): void |
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536 | { |
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537 | $this->assertString($host); |
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538 | |||
539 | if ($host === '') { |
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540 | // Note: An empty host value is equivalent to removing the host. |
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541 | // So that if the host is empty, ignore the following check. |
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542 | return; |
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543 | } |
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544 | |||
545 | if (! filter_var($host, FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME)) { |
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546 | throw new InvalidArgumentException( |
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547 | sprintf( |
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548 | '"%s" is not a valid host', |
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549 | $host |
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550 | ) |
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551 | ); |
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552 | } |
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553 | } |
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554 | |||
555 | /** |
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556 | * Throw exception for the invalid port. |
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557 | * |
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558 | * @param null|int $port The port number to of a URI. |
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559 | * |
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560 | * @return void |
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561 | * |
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562 | * @throws InvalidArgumentException |
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563 | */ |
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564 | protected function assertPort($port): void |
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565 | { |
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566 | if ( |
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567 | ! is_null($port) && |
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568 | ! is_integer($port) |
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569 | ) { |
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570 | throw new InvalidArgumentException( |
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571 | sprintf( |
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572 | 'Port must be an integer or a null value, but %s provided.', |
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573 | gettype($port) |
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574 | ) |
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575 | ); |
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576 | } |
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577 | |||
578 | if (! ($port > 0 && $port < 65535)) { |
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579 | throw new InvalidArgumentException( |
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580 | sprintf( |
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581 | 'Port number should be in a range of 0-65535, but %s provided.', |
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582 | $port |
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583 | ) |
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584 | ); |
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585 | } |
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586 | } |
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587 | } |
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588 |
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..