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annotate xml/en/docs/http/ngx_http_secure_link_module.xml @ 580:be54c443235a

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Added copyright markers to documentation sources.
author Ruslan Ermilov <ru@nginx.com>
date Tue, 10 Jul 2012 12:59:42 +0000
parents 5a848934a12d
children 764fbac1b8b4
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348
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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="Module ngx_http_secure_link_module"
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11 link="/en/docs/http/ngx_http_secure_link_module.html"
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12 lang="en">
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13
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14 <section id="summary">
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15
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16 <para>
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17 The <literal>ngx_http_secure_link_module</literal> module (0.7.18+) checks
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18 the validity of the requested link.
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19 </para>
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20
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21 <para>
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22 This module is not built by default, it should be enabled with the
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23 <literal>--with-http_secure_link_module</literal>
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24 configuration parameter.
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25 </para>
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26
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27 </section>
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28
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29
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30 <section id="example" name="Example Configuration">
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31
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32 <para>
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33 <example>
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34 location /p/ {
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35 secure_link_secret some_secret_word;
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36
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37 if ($secure_link = "") {
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38 return 403;
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39 }
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40 }
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41 </example>
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42 </para>
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43
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44 </section>
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45
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46
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47 <section id="directives" name="Directives">
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48
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49 <directive name="secure_link_secret">
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50 <syntax><value>word</value></syntax>
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51 <default/>
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52 <context>location</context>
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53
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54 <para>
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55 Defines a secret <value>word</value> used to check the validity of the link.
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56 The full URL of the protected link looks as follows:
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57 <example>
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58 /prefix/<value>hash</value>/<value>link</value>
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59 </example>
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60 where <value>hash</value> is computed as
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61 <example>
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62 md5(link, secret_word);
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63 </example>
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64 </para>
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65
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66 <para>
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67 A prefix is an arbitrary string not including a slash.
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68 </para>
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69
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70 </directive>
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71
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72 </section>
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73
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74
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75 <section id="variables" name="Embedded Variables">
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76
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77 <para>
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78 <list type="tag">
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79
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80 <tag-name><var>$secure_link</var></tag-name>
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81 <tag-desc>
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82 equals to the link extracted from the full URL.
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83 If hash is incorrect, this variable is set to an empty string.
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84 </tag-desc>
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85
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86 </list>
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87 </para>
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88
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89 </section>
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90
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91 </module>