annotate mod_tweet_data/README.md @ 5472:b80b6947b079

mod_http_oauth2: Always show early errors to user Before having validated the client_id, communicating an error back to the client via redirect would make this an open redirect, so we may just as well skip past that logic, and especially the warning log message.
author Kim Alvefur <zash@zash.se>
date Thu, 18 May 2023 13:43:17 +0200
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1 # mod_tweet_data
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3 This module adds [Open Graph Protocol](https://ogp.me) metadata to Twitter.com tweet URLs sent inside a MUC.
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4
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5 It's similar to [mod_ogp](https://modules.prosody.im/mod_ogp.html) but is adapted specifically to Twitter.com, which doesn't support the [Open Graph Protocol](https://ogp.me).
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6
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7 When a user sends a tweet URL in a MUC (where the message has its `id` equal to its `origin-id`), this module calls that URL to get the tweet data.
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8 If it finds any, it sends a [XEP-0422 fastening](https://xmpp.org/extensions/xep-0422.html) applied to the original message that looks as follows (note, I haven't used real data here):
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10 ```xml
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11 <message xmlns="jabber:client" to="user@chat.example.org/resource" from="chatroom@muc.example.org" type="groupchat">
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12 <apply-to xmlns="urn:xmpp:fasten:0" id="82dbc94c-c18a-4e51-a0d5-9fd3a7bfd267">
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13 <meta xmlns="http://www.w3.org/1999/xhtml" property="og:article:author" content="TwitterCritter" />
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14 <meta xmlns="http://www.w3.org/1999/xhtml" property="og:article:published_time" content="2021-06-22T06:44:20.000Z" />
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15 <meta xmlns="http://www.w3.org/1999/xhtml" property="og:description" content="I'm in ur twitterz" />
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16 <meta xmlns="http://www.w3.org/1999/xhtml" property="og:image" content="https://pbs.twimg.com/profile_images/984325764849045505/Ty3F93Ln_normal.jpg" />
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17 <meta xmlns="http://www.w3.org/1999/xhtml" property="og:title" content="TwitterCritter" />
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18 <meta xmlns="http://www.w3.org/1999/xhtml" property="og:type" content="tweet" />
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19 <meta xmlns="http://www.w3.org/1999/xhtml" property="og:url" content="https://twitter.com/TwitterCritter/status/1407227938391707648" />
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20 </apply-to>
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21 <stanza-id xmlns="urn:xmpp:sid:0" by="chatroom@muc.example.org" id="90e8818d-390a-4c69-a2d8-0fd463fb3366"/>
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22 </message>
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23 ```
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25 Configuration
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26 -------------
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28 You'll need to provide a Twitter APIv2 bearer token.
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30 ```lua
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31 Component "muc.example.org" "muc"
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32 modules_enabled = { "tweet_data" }
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33 twitter_apiv2_bearer_token = { "some-very-long-string" }
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34 ```