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annotate xml/en/docs/http/ngx_http_secure_link_module.xml @ 348:5a848934a12d

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English translation of ngx_http_geoip_module, ngx_http_map_module, ngx_http_realip_module, ngx_http_secure_link_module, ngx_http_split_clients_module, and ngx_http_sub_module.
author Ruslan Ermilov <ru@nginx.com>
date Mon, 23 Jan 2012 16:50:35 +0000
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children be54c443235a
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348
5a848934a12d English translation of ngx_http_geoip_module, ngx_http_map_module,
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1 <?xml version="1.0"?>
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2
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3 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
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4
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5 <module name="Module ngx_http_secure_link_module"
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6 link="/en/docs/http/ngx_http_secure_link_module.html"
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7 lang="en">
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8
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9 <section id="summary">
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10
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11 <para>
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12 The <literal>ngx_http_secure_link_module</literal> module (0.7.18+) checks
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13 the validity of the requested link.
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14 </para>
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15
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16 <para>
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17 This module is not built by default, it should be enabled with the
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18 <literal>--with-http_secure_link_module</literal>
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19 configuration parameter.
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20 </para>
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21
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22 </section>
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23
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24
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25 <section id="example" name="Example Configuration">
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26
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27 <para>
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28 <example>
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29 location /p/ {
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30 secure_link_secret some_secret_word;
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31
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32 if ($secure_link = "") {
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33 return 403;
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34 }
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35 }
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36 </example>
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37 </para>
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38
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39 </section>
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40
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41
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42 <section id="directives" name="Directives">
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43
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44 <directive name="secure_link_secret">
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45 <syntax><value>word</value></syntax>
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46 <default/>
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47 <context>location</context>
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48
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49 <para>
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50 Defines a secret <value>word</value> used to check the validity of the link.
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51 The full URL of the protected link looks as follows:
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52 <example>
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53 /prefix/<value>hash</value>/<value>link</value>
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54 </example>
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55 where <value>hash</value> is computed as
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56 <example>
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57 md5(link, secret_word);
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58 </example>
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59 </para>
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60
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61 <para>
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62 A prefix is an arbitrary string not including a slash.
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63 </para>
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64
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65 </directive>
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66
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67 </section>
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68
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69
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70 <section id="variables" name="Embedded Variables">
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71
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72 <para>
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73 <list type="tag">
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74
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75 <tag-name><var>$secure_link</var></tag-name>
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76 <tag-desc>
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77 equals to the link extracted from the full URL.
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78 If hash is incorrect, this variable is set to an empty string.
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79 </tag-desc>
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80
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81 </list>
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82 </para>
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83
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84 </section>
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85
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86 </module>