annotate xml/ru/docs/http/ngx_http_rewrite_module.xml @ 674:c48c0936b4df

Documented internal redirections limit.
author Vladimir Homutov <vl@nginx.com>
date Fri, 07 Sep 2012 13:00:26 +0000
parents f2d8603813b0
children 57fe6d7d86b4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 <?xml version="1.0"?>
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2
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3 <!--
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4 Copyright (C) Igor Sysoev
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5 Copyright (C) Nginx, Inc.
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6 -->
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7
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
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9
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10 <module name="Модуль ngx_http_rewrite_module"
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11 link="/ru/docs/http/ngx_http_rewrite_module.html"
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12 lang="ru"
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13 rev="2">
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14
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15 <section id="summary">
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16
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17 <para>
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18 Модуль <literal>ngx_http_rewrite_module</literal> позволяет
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19 изменять URI с помощью регулярных выражений, делать перенаправления
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20 и выбирать конфигурацию по условию.
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21 </para>
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22
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23 <para>
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24 Директивы модуля <literal>ngx_http_rewrite_module</literal>
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25 обрабатываются в следующем порядке:
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26 <list type="bullet">
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27
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28 <listitem>
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29 выполняются директивы этого модуля, описанные на уровне
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30 <link doc="ngx_http_core_module.xml" id="server">сервера</link>;
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31 </listitem>
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32
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33 <listitem>
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34 ищется location для запроса;
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35 </listitem>
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36
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37 <listitem>
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38 выполняются директивы этого модуля, описанные в выбранном
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39 <link doc="ngx_http_core_module.xml" id="location"/>,
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40 и если они изменяли URI, то ищется новый location для уже нового URI.
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41 Этот цикл может повторяться до
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42 <link doc="ngx_http_core_module.xml" id="internal">10 раз</link>,
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43 после чего возвращается ошибка
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44 <http-status code="500" text="Internal Server Error"/>.
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45 </listitem>
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46
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47 </list>
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48 </para>
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49
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50 </section>
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51
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52
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53 <section id="directives" name="Директивы">
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54
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55 <directive name="break">
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56 <syntax/>
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57 <default/>
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58 <context>server</context>
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59 <context>location</context>
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60 <context>if</context>
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61
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62 <para>
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63 Завершает обработку текущего набора директив модуля
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64 <literal>ngx_http_rewrite_module</literal>.
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65 </para>
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66
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67 <para>
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68 Пример:
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69 <example>
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70 if ($slow) {
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71 limit_rate 10k;
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72 break;
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73 }
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74 </example>
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75 </para>
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76
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77 </directive>
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80 <directive name="if">
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81 <syntax block="yes">(<value>условие</value>)</syntax>
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82 <default/>
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83 <context>server</context>
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84 <context>location</context>
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85
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86 <para>
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87 Проверяется указанное <value>условие</value>.
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88 Если оно истинно, то выполняются указанные в фигурных скобках директивы
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89 этого модуля и запросу назначается конфигурация, указанная внутри
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90 директивы <literal>if</literal>.
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91 Конфигурации внутри директив <literal>if</literal> наследуются с
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92 предыдущего уровня конфигурации.
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93 </para>
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94
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95 <para>
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96 В качестве условия могут быть заданы:
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97 <list type="bullet">
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98
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99 <listitem>
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100 имя переменной; ложными значениями переменной являются пустая строка
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101 или любая строка, начинающаяся на “<literal>0</literal>”;
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102 </listitem>
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103
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104 <listitem>
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105 сравнение переменной со строкой с помощью операторов
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106 “<literal>=</literal>” и “<literal>!=</literal>”;
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107 </listitem>
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108
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109 <listitem>
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110 соответствие переменной регулярному выражению с учётом
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111 регистра символов — “<literal>~</literal>” и без него — “<literal>~*</literal>”.
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112 В регулярных выражениях можно использовать выделения, которые затем
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113 доступны в виде переменных <var>$1</var>..<var>$9</var>.
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114 Также можно использовать отрицательные операторы “<literal>!~</literal>”
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115 и “<literal>!~*</literal>”.
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116 Если в регулярном выражении встречаются символы “<literal>}</literal>”
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117 или “<literal>;</literal>”, то всё выражение следует заключить в одинарные
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118 или двойные кавычки.
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119 </listitem>
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120
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121 <listitem>
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122 проверка существования файла с помощью операторов “<literal>-f</literal>”
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123 и “<literal>!-f</literal>”;
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124 </listitem>
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125
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126 <listitem>
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127 проверка существования каталога с помощью операторов “<literal>-d</literal>”
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128 и “<literal>!-d</literal>”;
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129 </listitem>
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130
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131 <listitem>
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132 проверка существования файла, каталога или символической ссылки
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133 с помощью операторов “<literal>-e</literal>” и “<literal>!-e</literal>”;
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134 </listitem>
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135
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136 <listitem>
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137 проверка исполняемости файла с помощью операторов “<literal>-x</literal>”
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138 и “<literal>!-x</literal>”.
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139 </listitem>
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140
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141 </list>
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142 </para>
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143
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144 <para>
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145 Примеры:
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146 <example>
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147 if ($http_user_agent ~ MSIE) {
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148 rewrite ^(.*)$ /msie/$1 break;
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149 }
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150
382
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151 if ($http_cookie ~* "id=([^;]+)(?:;|$)") {
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152 set $id $1;
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153 }
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154
382
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155 if ($request_method = POST) {
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156 return 405;
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157 }
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158
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159 if ($slow) {
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160 limit_rate 10k;
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161 }
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162
382
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163 if ($invalid_referer) {
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164 return 403;
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165 }
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166 </example>
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167 <note>
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168 Значение встроенной переменной <var>$invalid_referer</var> задаётся директивой
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56457a474903 If text of the link is not provided, the @id is used.
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169 <link doc="ngx_http_referer_module.xml" id="valid_referers"/>.
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170 </note>
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171 </para>
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172
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173 </directive>
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174
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175
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176 <directive name="return">
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177 <syntax><value>код</value> [<value>текст</value>]</syntax>
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178 <syntax><value>код</value> <value>URL</value></syntax>
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179 <syntax><value>URL</value></syntax>
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180 <default/>
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181 <context>server</context>
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182 <context>location</context>
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183 <context>if</context>
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184
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185 <para>
391
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186 Завершает обработку и возвращает клиенту указанный <value>код</value>.
548
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187 Нестандартный код 444 закрывает соединение без передачи
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188 заголовка ответа.
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189 </para>
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190
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191 <para>
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192 Начиная с версии 0.8.42 можно задать
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193 либо URL перенаправления (для кодов 301, 302, 303 и 307),
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194 либо <value>текст</value> тела ответа (для остальных кодов).
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195 В тексте тела ответа и URL перенаправления можно использовать переменные.
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196 Как частный случай, URL перенаправления может быть задан как URI,
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197 локальный для данного сервера, при этом полный URL перенаправления
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198 формируется согласно схеме запроса (<var>$scheme</var>) и директив
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199 <link doc="ngx_http_core_module.xml" id="server_name_in_redirect"/> и
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200 <link doc="ngx_http_core_module.xml" id="port_in_redirect"/>.
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201 </para>
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202
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203 <para>
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204 Кроме того, в качестве единственного параметра можно указать
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205 <value>URL</value> для временного перенаправления с кодом 302.
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206 Такой параметр должен начинаться со строк “<literal>http://</literal>”,
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207 “<literal>https://</literal>” или “<literal>$scheme</literal>”.
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208 В <value>URL</value> можно использовать переменные.
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209 </para>
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210
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211 <para>
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212 <note>
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213 До версии 0.7.51 можно было возвращать только следующие коды:
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214 204, 400, 402 — 406, 408, 410, 411, 413, 416 и 500 — 504.
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215 </note>
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216
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217 <note>
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218 До версий 1.1.16 и 1.0.13 код 307 не обрабатывался как перенаправление.
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219 </note>
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220 </para>
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221
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222 </directive>
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223
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224
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225 <directive name="rewrite">
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226 <syntax>
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227 <value>regex</value>
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228 <value>замена</value>
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229 [<value>флаг</value>]</syntax>
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diff changeset
230 <default/>
382
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diff changeset
231 <context>server</context>
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232 <context>location</context>
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233 <context>if</context>
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234
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235 <para>
391
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diff changeset
236 Если указанное регулярное выражение соответствует URI, URI изменяется
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diff changeset
237 в соответствии со строкой замены.
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diff changeset
238 Директивы <literal>rewrite</literal> выполняются последовательно,
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diff changeset
239 в порядке их следования в конфигурационном файле.
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diff changeset
240 С помощью флагов можно прекратить дальнейшую обработку директив.
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diff changeset
241 Если строка замены начинается с “<literal>http://</literal>” или
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diff changeset
242 “<literal>https://</literal>”, то обработка завершается и клиенту
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diff changeset
243 возвращается перенаправление.
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244 </para>
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245
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246 <para>
391
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diff changeset
247 Необязательный параметр <value>флаг</value> может быть одним из:
382
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diff changeset
248 <list type="tag">
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249
382
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diff changeset
250 <tag-name><literal>last</literal></tag-name>
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251 <tag-desc>
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diff changeset
252 завершает обработку текущего набора директив модуля
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diff changeset
253 <literal>ngx_http_rewrite_module</literal>,
391
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diff changeset
254 после чего ищется новый location, соответствующий изменённому URI;
382
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diff changeset
255 </tag-desc>
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256
382
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diff changeset
257 <tag-name><literal>break</literal></tag-name>
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diff changeset
258 <tag-desc>
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259 завершает обработку текущего набора директив модуля
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diff changeset
260 <literal>ngx_http_rewrite_module</literal>;
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diff changeset
261 </tag-desc>
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262
382
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diff changeset
263 <tag-name><literal>redirect</literal></tag-name>
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diff changeset
264 <tag-desc>
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diff changeset
265 возвращает временное перенаправление с кодом 302;
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diff changeset
266 используется, если заменяющая строка не начинается с
391
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diff changeset
267 “<literal>http://</literal>” или “<literal>https://</literal>”;
382
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diff changeset
268 </tag-desc>
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269
382
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diff changeset
270 <tag-name><literal>permanent</literal></tag-name>
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diff changeset
271 <tag-desc>
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diff changeset
272 возвращает постоянное перенаправление с кодом 301.
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diff changeset
273 </tag-desc>
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274
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275 </list>
548
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diff changeset
276 Полный URL перенаправлений формируется согласно
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diff changeset
277 схеме запроса (<var>$scheme</var>) и директив
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278 <link doc="ngx_http_core_module.xml" id="server_name_in_redirect"/> и
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diff changeset
279 <link doc="ngx_http_core_module.xml" id="port_in_redirect"/>.
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280 </para>
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281
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282 <para>
382
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diff changeset
283 Пример:
76
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284 <example>
391
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diff changeset
285 server {
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diff changeset
286 ...
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diff changeset
287 rewrite ^(/download/.*)/media/(.*)\..*$ $1/mp3/$2.mp3 last;
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diff changeset
288 rewrite ^(/download/.*)/audio/(.*)\..*$ $1/mp3/$2.ra last;
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diff changeset
289 return 403;
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Ruslan Ermilov <ru@nginx.com>
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diff changeset
290 ...
1702722eca07 Cleaned up terminology and language used.
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parents: 382
diff changeset
291 }
76
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292 </example>
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293 </para>
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294
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295 <para>
382
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diff changeset
296 Если же эти директивы поместить в location “<literal>/download/</literal>”,
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diff changeset
297 то нужно заменить флаг <literal>last</literal> на <literal>break</literal>,
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298 иначе nginx сделает 10 циклов и вернёт ошибку 500:
76
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299 <example>
382
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diff changeset
300 location /download/ {
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diff changeset
301 rewrite ^(/download/.*)/media/(.*)\..*$ $1/mp3/$2.mp3 break;
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diff changeset
302 rewrite ^(/download/.*)/audio/(.*)\..*$ $1/mp3/$2.ra break;
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303 return 403;
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Ruslan Ermilov <ru@nginx.com>
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304 }
76
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diff changeset
305 </example>
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
306 </para>
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parents:
diff changeset
307
4a4caa566120 Russian documentation import.
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308 <para>
391
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diff changeset
309 Если в строке замены указаны новые аргументы запроса, то предыдущие
1702722eca07 Cleaned up terminology and language used.
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parents: 382
diff changeset
310 аргументы запроса добавляются после них.
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parents: 382
diff changeset
311 Если такое поведение нежелательно, можно отказаться от этого добавления,
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parents: 382
diff changeset
312 указав в конце строки замены знак вопроса, например:
76
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313 <example>
382
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diff changeset
314 rewrite ^/users/(.*)$ /show?user=$1? last;
76
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315 </example>
4a4caa566120 Russian documentation import.
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parents:
diff changeset
316 </para>
4a4caa566120 Russian documentation import.
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parents:
diff changeset
317
4a4caa566120 Russian documentation import.
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318 <para>
382
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diff changeset
319 Если в регулярном выражении встречаются символы “<literal>}</literal>”
391
1702722eca07 Cleaned up terminology and language used.
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parents: 382
diff changeset
320 или “<literal>;</literal>”, то всё выражение следует заключить в одинарные
382
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diff changeset
321 или двойные кавычки.
76
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322 </para>
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parents:
diff changeset
323
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
324 </directive>
4a4caa566120 Russian documentation import.
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parents:
diff changeset
325
4a4caa566120 Russian documentation import.
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parents:
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326
673
f2d8603813b0 Documented the "rewrite_log" directive.
Vladimir Homutov <vl@nginx.com>
parents: 589
diff changeset
327 <directive name="rewrite_log">
f2d8603813b0 Documented the "rewrite_log" directive.
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parents: 589
diff changeset
328 <syntax><literal>on</literal> | <literal>off</literal></syntax>
f2d8603813b0 Documented the "rewrite_log" directive.
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parents: 589
diff changeset
329 <default>off</default>
f2d8603813b0 Documented the "rewrite_log" directive.
Vladimir Homutov <vl@nginx.com>
parents: 589
diff changeset
330 <context>http</context>
f2d8603813b0 Documented the "rewrite_log" directive.
Vladimir Homutov <vl@nginx.com>
parents: 589
diff changeset
331 <context>server</context>
f2d8603813b0 Documented the "rewrite_log" directive.
Vladimir Homutov <vl@nginx.com>
parents: 589
diff changeset
332 <context>location</context>
f2d8603813b0 Documented the "rewrite_log" directive.
Vladimir Homutov <vl@nginx.com>
parents: 589
diff changeset
333 <context>if</context>
f2d8603813b0 Documented the "rewrite_log" directive.
Vladimir Homutov <vl@nginx.com>
parents: 589
diff changeset
334
f2d8603813b0 Documented the "rewrite_log" directive.
Vladimir Homutov <vl@nginx.com>
parents: 589
diff changeset
335 <para>
f2d8603813b0 Documented the "rewrite_log" directive.
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parents: 589
diff changeset
336 Включает или выключает журналирование обработки директив модуля
f2d8603813b0 Documented the "rewrite_log" directive.
Vladimir Homutov <vl@nginx.com>
parents: 589
diff changeset
337 <literal>ngx_http_rewrite_module</literal> в лог-файл ошибок на
f2d8603813b0 Documented the "rewrite_log" directive.
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parents: 589
diff changeset
338 уровне <literal>notice</literal>.
f2d8603813b0 Documented the "rewrite_log" directive.
Vladimir Homutov <vl@nginx.com>
parents: 589
diff changeset
339 </para>
f2d8603813b0 Documented the "rewrite_log" directive.
Vladimir Homutov <vl@nginx.com>
parents: 589
diff changeset
340
f2d8603813b0 Documented the "rewrite_log" directive.
Vladimir Homutov <vl@nginx.com>
parents: 589
diff changeset
341 </directive>
f2d8603813b0 Documented the "rewrite_log" directive.
Vladimir Homutov <vl@nginx.com>
parents: 589
diff changeset
342
f2d8603813b0 Documented the "rewrite_log" directive.
Vladimir Homutov <vl@nginx.com>
parents: 589
diff changeset
343
76
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diff changeset
344 <directive name="set">
382
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diff changeset
345 <syntax><value>переменная</value> <value>значение</value></syntax>
99
1d315ef37215 The case <default/> is now language-agnostic.
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diff changeset
346 <default/>
382
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diff changeset
347 <context>server</context>
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diff changeset
348 <context>location</context>
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349 <context>if</context>
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diff changeset
350
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
351 <para>
391
1702722eca07 Cleaned up terminology and language used.
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parents: 382
diff changeset
352 Устанавливает значение указанной переменной.
76
4a4caa566120 Russian documentation import.
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parents:
diff changeset
353 В качестве значения можно использовать текст, переменные и их комбинации.
4a4caa566120 Russian documentation import.
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parents:
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354 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
355
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
356 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
357
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
358
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
359 <directive name="uninitialized_variable_warn">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 256
diff changeset
360 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 99
diff changeset
361 <default>on</default>
382
b838f6e9192e Revision.
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parents: 271
diff changeset
362 <context>http</context>
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diff changeset
363 <context>server</context>
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diff changeset
364 <context>location</context>
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diff changeset
365 <context>if</context>
76
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parents:
diff changeset
366
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
367 <para>
391
1702722eca07 Cleaned up terminology and language used.
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parents: 382
diff changeset
368 Определяет, нужно ли писать в лог предупреждения о неинициализированных
1702722eca07 Cleaned up terminology and language used.
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parents: 382
diff changeset
369 переменных.
76
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parents:
diff changeset
370 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
371
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
372 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
373
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
374 </section>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
375
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
376
382
b838f6e9192e Revision.
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parents: 271
diff changeset
377 <section id="internals" name="Внутреннее устройство">
76
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parents:
diff changeset
378
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
379 <para>
382
b838f6e9192e Revision.
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diff changeset
380 Директивы модуля <literal>ngx_http_rewrite_module</literal>
391
1702722eca07 Cleaned up terminology and language used.
Ruslan Ermilov <ru@nginx.com>
parents: 382
diff changeset
381 компилируются на стадии конфигурации во внутренние инструкции,
1702722eca07 Cleaned up terminology and language used.
Ruslan Ermilov <ru@nginx.com>
parents: 382
diff changeset
382 интерпретируемые во время обработки запроса.
382
b838f6e9192e Revision.
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parents: 271
diff changeset
383 Интерпретатор представляет из себя простую стековую виртуальную машину.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
384 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
385
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
386 <para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
387 Например, директивы
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
388 <example>
382
b838f6e9192e Revision.
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parents: 271
diff changeset
389 location /download/ {
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parents: 271
diff changeset
390 if ($forbidden) {
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Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
391 return 403;
b838f6e9192e Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
392 }
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
393
382
b838f6e9192e Revision.
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parents: 271
diff changeset
394 if ($slow) {
b838f6e9192e Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
395 limit_rate 10k;
b838f6e9192e Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
396 }
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
397
382
b838f6e9192e Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
398 rewrite ^/(download/.*)/media/(.*)\..*$ /$1/mp3/$2.mp3 break;
b838f6e9192e Revision.
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parents: 271
diff changeset
399 }
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
400 </example>
391
1702722eca07 Cleaned up terminology and language used.
Ruslan Ermilov <ru@nginx.com>
parents: 382
diff changeset
401 будут транслированы в такие инструкции:
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
402 <example>
382
b838f6e9192e Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
403 переменная $forbidden
b838f6e9192e Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
404 проверка на ноль
b838f6e9192e Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
405 возврат 403
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
406 завершение всего кода
382
b838f6e9192e Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
407 переменная $slow
b838f6e9192e Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
408 проверка на ноль
b838f6e9192e Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
409 проверка регулярного выражения
b838f6e9192e Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
410 копирование "/"
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Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
411 копирование $1
b838f6e9192e Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
412 копирование "/mp3/"
b838f6e9192e Revision.
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parents: 271
diff changeset
413 копирование $2
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parents: 271
diff changeset
414 копирование ".mp3"
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parents: 271
diff changeset
415 завершение регулярного выражения
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parents: 271
diff changeset
416 завершение всего кода
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
417 </example>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
418 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
419
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
420 <para>
391
1702722eca07 Cleaned up terminology and language used.
Ruslan Ermilov <ru@nginx.com>
parents: 382
diff changeset
421 Обратите внимание, что инструкций для директивы
382
b838f6e9192e Revision.
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parents: 271
diff changeset
422 <link doc="ngx_http_core_module.xml" id="limit_rate"/>
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parents: 271
diff changeset
423 нет, поскольку она не имеет отношения к модулю
b838f6e9192e Revision.
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parents: 271
diff changeset
424 <literal>ngx_http_rewrite_module</literal>.
391
1702722eca07 Cleaned up terminology and language used.
Ruslan Ermilov <ru@nginx.com>
parents: 382
diff changeset
425 Для блока <link id="if"/> создаётся отдельная конфигурация,
1702722eca07 Cleaned up terminology and language used.
Ruslan Ermilov <ru@nginx.com>
parents: 382
diff changeset
426 Если условие истинно, запрос получает эту конфигурацию,
1702722eca07 Cleaned up terminology and language used.
Ruslan Ermilov <ru@nginx.com>
parents: 382
diff changeset
427 и в ней <literal>limit_rate</literal> равен 10k.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
428 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
429
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
430 <para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
431 Директиву
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
432 <example>
382
b838f6e9192e Revision.
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parents: 271
diff changeset
433 rewrite ^/(download/.*)/media/(.*)\..*$ /$1/mp3/$2.mp3 break;
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
434 </example>
391
1702722eca07 Cleaned up terminology and language used.
Ruslan Ermilov <ru@nginx.com>
parents: 382
diff changeset
435 можно сделать на одну инструкцию меньше, если в регулярном выражении перенести
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parents: 382
diff changeset
436 первый слэш внутрь скобок:
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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437 <example>
382
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438 rewrite ^(<emphasis>/</emphasis>download/.*)/media/(.*)\..*$ $1/mp3/$2.mp3 break;
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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439 </example>
391
1702722eca07 Cleaned up terminology and language used.
Ruslan Ermilov <ru@nginx.com>
parents: 382
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440 Тогда соответствующие инструкции будут выглядеть так:
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
441 <example>
382
b838f6e9192e Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 271
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442 проверка регулярного выражения
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443 копирование $1
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parents: 271
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444 копирование "/mp3/"
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parents: 271
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445 копирование $2
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parents: 271
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446 копирование ".mp3"
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parents: 271
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447 завершение регулярного выражения
b838f6e9192e Revision.
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parents: 271
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448 завершение всего кода
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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449 </example>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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450 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
451
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
452 </section>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
453
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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454 </module>