mirror of
https://codeberg.org/superseriousbusiness/gotosocial.git
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ea8ad8b346
* add link parsing + formatting functionality * refinement + docs * add missing test * credit url library
149 lines
4.4 KiB
Markdown
149 lines
4.4 KiB
Markdown
# Posts
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## Input Types
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GoToSocial currently accepts two different types of input for posts. These are:
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* `plain`
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* `markdown`
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Plain is the default method of posting: GtS accepts some plain looking text, and converts it into some nice HTML by parsing links and mentions etc. If you're used to Mastodon or Twitter or most other social media platforms, this way of writing posts will be immediately familiar.
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Markdown is a more complex way of organizing text, which gives you more control over how your text is parsed and formatted.
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For more information on markdown, see [The Markdown Guide](https://www.markdownguide.org/).
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## Formatting
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When a post is submitted in `plain` format, GoToSocial automatically does some tidying up and formatting of the post in order to convert it to HTML, as described below.
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### Whitespace
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Any leading or trailing whitespaces and newlines are removed from the post. So for example:
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```text
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this post starts with some newlines
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```
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will become:
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```text
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this post starts with some newlines
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```
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### Wrapping
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The whole post will be wrapped in `<p></p>`.
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So the following text:
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```text
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Hi here's a little post!
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```
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Will become:
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```html
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<p>Hi here's a little post!</p>
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```
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### Linebreaks
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Any newlines will be replaced with `<br />`
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So to continue the above example:
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```text
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Hi here's a little post!
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And here's another line.
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```
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Will become:
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```html
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<p>Hi here's a little post!<br /><br />And here's another line</p>
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```
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### Links
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Any recognizable links in the text will be shortened and turned into proper hyperlinks, and have some additional attributes added to them.
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For example:
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```text
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Here's a link to something: https://example.org/some/link/address
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```
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will become:
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```html
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Here's a link to something: <a href="https://example.org/some/link/address" rel="nofollow" rel="noreferrer" rel="noopener">example.org/some/link/address</a>
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```
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which will be rendered as:
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> Here's a link to something: [example.org/some/link/address](https://example.org/some/link/address)
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Note that this will only work for `http` and `https` links; other schemes are not supported.
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### Mentions
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You can 'mention' another account by referring to the account in the following way:
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> @some_account@example.org
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In this example, `some_account` is the username of the account you want to mention, and `example.org` is the domain that hosts their account.
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The mentioned account will get a notification that you've mentioned them, and be able to see the post in which they were mentioned.
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Mentions are formatted in a similar way to links, so:
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```text
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hi @some_account@example.org how's it going?
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```
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will become:
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```html
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hi <span class="h-card"><a href="https://example.org/@some_account" class="u-url mention">@<span>some_account</span></a></span> how's it going?
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```
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which will be rendered as:
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> hi <span class="h-card"><a href="https://example.org/@some_account" class="u-url mention">@<span>some_account</span></a></span> how's it going?
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When mentioning local accounts (ie., accounts on your instance), the second part of the mention is not necessary. If there's an account with username `local_account_person` on your instance, you can mention them just by writing:
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```text
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hey @local_account_person you're my neighbour
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```
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This will become:
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```html
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hey <span class="h-card"><a href="https://my.instance.org/@local_account_person" class="u-url mention">@<span>local_account_person</span></a></span> you're my neighbour
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```
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which will be rendered as:
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> hey <span class="h-card"><a href="https://my.instance.org/@local_account_person" class="u-url mention">@<span>local_account_person</span></a></span> you're my neighbour
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## Input Sanitization
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In order not to spread scripts, vulnerabilities, and glitchy HTML all over the place, GoToSocial performs the following types of input sanitization:
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`plain` input type:
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* Before parsing, any existing HTML is completely removed from the post body and content-warning fields.
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* After parsing, all generated HTML is run through a sanitizer to remove harmful elements.
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`markdown` input type:
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* Before parsing, any existing HTML is completely removed from the content-warning field.
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* Before parsing, any existing HTML in the post body is run through a sanitizer to remove harmful elements.
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* After parsing, all generated HTML is run through a sanitizer to remove harmful elements.
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GoToSocial uses [bluemonday](https://github.com/microcosm-cc/bluemonday) for HTML sanitization.
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