MSC4193: Spoilers on Media #4193
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| # MSC4193: Spoilers on Media | ||
| This proposal aims to enhance the protocol with more ways to make other users feel comfortable while using the protocol. | ||
| Background | ||
| Matrix includes a way to add a spoiler to text, which hides the text from visibility without explicit user interaction to show the hidden text. However, there is no official way to do this with images. | ||
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There was a problem hiding this comment. The existing spoilers work on all message types that support
Since 1.10 images actually fall into that category, too, through their media captions. So with this proposal it's now possible to have an image itself be behind a spoiler with its caption behind another spoiler. This made me wonder if we'd need some form of UI guidance on how to treat this situation? For instance, should the spoilers be revealed together or separately? There was a problem hiding this comment. I'd say that spoilers should be done separately. There was a problem hiding this comment. I'd imagine most people would want to configure each separately, as the caption may tell people what is inside the image to help them know whether they want to view it? There was a problem hiding this comment. That sounds sensible and I think c1e9fb4 has addressed it accordingly. |
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| ## Proposal | ||
| Some other chat protocols, like Discord or Telegram, offer a way to hide potentially sensitive or triggering images in a way that requires the user to explicitly interact with it to show the image. | ||
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| In events with an image, there will be an optional `m.spoiler` field as a boolean. If true, then clients should show a blurred version of the image. If not present, it will be assumed to be false. There will also be a `m.spoiler.reason` field as a text value that will optionally display text for why the image has a spoiler. | ||
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| ## Example | ||
| ``` | ||
| "body": "amazing-test.png", | ||
| "info": { | ||
| "size": 12607, | ||
| "mimetype": "image/png", | ||
| "w": 1235, | ||
| "h": 473, | ||
| "xyz.amorgan.blurhash": "L3TSErUbl9y?u*VEkWnit,tlayWB" | ||
| }, | ||
| "msgtype": "m.image", | ||
| "m.mentions": {}, | ||
| "m.spoiler": true, | ||
| "m.spoiler.reason": "Shockingly bad graphic design", | ||
| "url": "mxc://chat.blahaj.zone/UMjvQObiMNEyMunrldKQVYcT" | ||
| ``` | ||
| ## Potential issues | ||
| A user with malicious intent may put something inappropriate in the reason field. Additionally, clients that do not support this feature will show all media without a spoiler. | ||
| # Alternatives | ||
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There was a problem hiding this comment. #3725 also provides a way to do spoilers on media. |
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| One alternative is the [Spoilerinator](https://codeberg.org/cf/spoilerinator) tool. However, it depends on HTML, which not all clients implement, and it needs you to copy the media URL, then running the external tool. | ||
| ## Security considerations | ||
| None, hopefully. | ||
| ## Unstable prefix | ||
| Until this is stable, clients should use `page.codeberg.everypizza.msc4193.spoiler` and `page.codeberg.everypizza.msc4193.spoiler.reason`. | ||
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Implementation requirements:
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