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sanitize html for statuses + instance (#97)
* sanitize html for statuses + instance * sanitization
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* | ||
| GoToSocial | ||
| Copyright (C) 2021 GoToSocial Authors [email protected] | ||
| This program is free software: you can redistribute it and/or modify | ||
| it under the terms of the GNU Affero General Public License as published by | ||
| the Free Software Foundation, either version 3 of the License, or | ||
| (at your option) any later version. | ||
| This program is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU Affero General Public License for more details. | ||
| You should have received a copy of the GNU Affero General Public License | ||
| along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| package util | ||
|
|
||
| import ( | ||
| "github.com/microcosm-cc/bluemonday" | ||
| ) | ||
|
|
||
| // '[A]llows a broad selection of HTML elements and attributes that are safe for user generated content. | ||
| // Note that this policy does not allow iframes, object, embed, styles, script, etc. | ||
| // An example usage scenario would be blog post bodies where a variety of formatting is expected along with the potential for TABLEs and IMGs.' | ||
| // | ||
| // Source: https://github.com/microcosm-cc/bluemonday#usage | ||
| var regular *bluemonday.Policy = bluemonday.UGCPolicy(). | ||
| RequireNoReferrerOnLinks(true). | ||
| RequireNoFollowOnLinks(true). | ||
| RequireCrossOriginAnonymous(true) | ||
|
|
||
| // '[C]an be thought of as equivalent to stripping all HTML elements and their attributes as it has nothing on its allowlist. | ||
| // An example usage scenario would be blog post titles where HTML tags are not expected at all | ||
| // and if they are then the elements and the content of the elements should be stripped. This is a very strict policy.' | ||
| // | ||
| // Source: https://github.com/microcosm-cc/bluemonday#usage | ||
| var strict *bluemonday.Policy = bluemonday.StrictPolicy() | ||
|
|
||
| // SanitizeHTML cleans up HTML in the given string, allowing through only safe HTML elements. | ||
| func SanitizeHTML(in string) string { | ||
| return regular.Sanitize(in) | ||
| } | ||
|
|
||
| // RemoveHTML removes all HTML from the given string. | ||
| func RemoveHTML(in string) string { | ||
| return strict.Sanitize(in) | ||
| } |