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mod_rest: Add support for simple Bearer token auth Token specified in config
author Kim Alvefur <zash@zash.se>
date Tue, 31 Dec 2019 03:37:46 +0100
parents d59fb4dcf100
children 02164f8aebac
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1 ---
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2 labels:
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3 - 'Stage-Alpha'
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4 summary: RESTful XMPP API
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5 ---
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6
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7 # Introduction
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8
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9 This is yet another RESTful API for sending and receiving stanzas via
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10 Prosody. It can be used to build bots and components implemented as HTTP
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11 services.
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12
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13 # Usage
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14
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15 ## Enabling
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16
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17 ``` {.lua}
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18 Component "rest.example.net" "rest"
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19 rest_credentials = "Bearer dmVyeSBzZWNyZXQgdG9rZW4K"
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20 ```
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21
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22 ## Sending stanzas
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23
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24 The API endpoint becomes available at the path `/rest`, so the full URL
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25 will be something like `https://your-prosody.example:5281/rest`.
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26
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27 To try it, simply `curl` an XML stanza payload:
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28
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29 ``` {.sh}
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30 curl https://prosody.example:5281/rest \
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31 --oauth2-bearer dmVyeSBzZWNyZXQgdG9rZW4K \
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32 -H 'Content-Type: application/xmpp+xml' \
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33 --data-binary '<message type="chat" to="user@example.org">
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34 <body>Hello!</body>
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35 </body>'
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36 ```
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37
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38 The `Content-Type` **MUST** be `application/xmpp+xml`.
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39
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40 ### Replies
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41
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42 A POST containing an `<iq>` stanza automatically wait for the reply,
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43 long-polling style.
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44
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45 ``` {.sh}
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46 curl https://prosody.example:5281/rest \
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47 --oauth2-bearer dmVyeSBzZWNyZXQgdG9rZW4K \
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48 -H 'Content-Type: application/xmpp+xml' \
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49 --data-binary '<iq type="get" to="example.net">
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50 <ping xmlns="urn:xmpp:ping"/>
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51 </iq>'
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52 ```
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53
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54 Replies to other kinds of stanzas that are generated by the same Prosody
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55 instance *MAY* be returned in the HTTP response. Replies from other
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56 entities (connected clients or remote servers) will not be returned, but
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57 can be forwarded via the callback API described in the next section.
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58
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59 ## Receiving stanzas
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60
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61 TL;DR: Set this webhook callback URL, get XML `POST`-ed there.
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62
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63 ``` {.lua}
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64 Component "rest.example.net" "rest"
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65 rest_credentials = "Bearer dmVyeSBzZWNyZXQgdG9rZW4K"
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66 rest_callback_url = "http://my-api.example:9999/stanzas"
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67 ```
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68
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69 Example callback looks like:
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70
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71 ``` {.xml}
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72 POST /stanzas HTTP/1.1
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73 Content-Type: application/xmpp+xml
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74 Content-Length: 52
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75
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76 <message to="bot@rest.example.net" from="user@example.com" type="chat">
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77 <body>Hello</body>
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78 </message>
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79 ```
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80
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81 ### Replying
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82
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83 To accept the stanza without returning a reply, respond with HTTP status
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84 code `202` or `204`.
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85
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86 HTTP status codes in the `4xx` and `5xx` range are mapped to an
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87 appropriate stanza error.
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88
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89 For full control over the response, set the `Content-Type` header to
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90 `application/xmpp+xml` and return an XMPP stanza as an XML snippet.
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91
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92 ``` {.xml}
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93 HTTP/1.1 200 Ok
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94 Content-Type: application/xmpp+xml
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95
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96 <message type="chat">
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97 <body>Yes, this is bot</body>
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98 </message>
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99 ```
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100
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101 ## Payload format
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102
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103 ``` {.xml}
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104 <message type="" id="" to="" from="" xml:lang="">
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105 ...
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106 </message>
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107 ```
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108
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109 An XML declaration (`<?xml?>`) **MUST NOT** be included.
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110
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111 The payload MUST contain one (1) `message`, `presence` or `iq` stanza.
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112
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113 The stanzas MUST NOT have an `xmlns` attribute, and the default/empty
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114 namespace is treated as `jabber:client`.
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115
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116 # Compatibility
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117
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118 Requires Prosody trunk / 0.12