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Sanitize html (#3708)
[lemmy.git] / crates / api / src / local_user / save_settings.rs
1 use crate::Perform;
2 use actix_web::web::Data;
3 use lemmy_api_common::{
4   context::LemmyContext,
5   person::{LoginResponse, SaveUserSettings},
6   utils::{local_user_view_from_jwt, sanitize_html_opt, send_verification_email},
7 };
8 use lemmy_db_schema::{
9   source::{
10     actor_language::LocalUserLanguage,
11     local_user::{LocalUser, LocalUserUpdateForm},
12     person::{Person, PersonUpdateForm},
13   },
14   traits::Crud,
15   utils::{diesel_option_overwrite, diesel_option_overwrite_to_url},
16 };
17 use lemmy_db_views::structs::SiteView;
18 use lemmy_utils::{
19   claims::Claims,
20   error::{LemmyError, LemmyErrorExt, LemmyErrorType},
21   utils::validation::{
22     build_totp_2fa,
23     generate_totp_2fa_secret,
24     is_valid_bio_field,
25     is_valid_display_name,
26     is_valid_matrix_id,
27   },
28 };
29
30 #[async_trait::async_trait(?Send)]
31 impl Perform for SaveUserSettings {
32   type Response = LoginResponse;
33
34   #[tracing::instrument(skip(context))]
35   async fn perform(&self, context: &Data<LemmyContext>) -> Result<LoginResponse, LemmyError> {
36     let data: &SaveUserSettings = self;
37     let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;
38     let site_view = SiteView::read_local(&mut context.pool()).await?;
39
40     let bio = sanitize_html_opt(&data.bio);
41     let display_name = sanitize_html_opt(&data.display_name);
42
43     let avatar = diesel_option_overwrite_to_url(&data.avatar)?;
44     let banner = diesel_option_overwrite_to_url(&data.banner)?;
45     let bio = diesel_option_overwrite(bio);
46     let display_name = diesel_option_overwrite(display_name);
47     let matrix_user_id = diesel_option_overwrite(data.matrix_user_id.clone());
48     let email_deref = data.email.as_deref().map(str::to_lowercase);
49     let email = diesel_option_overwrite(email_deref.clone());
50
51     if let Some(Some(email)) = &email {
52       let previous_email = local_user_view.local_user.email.clone().unwrap_or_default();
53       // Only send the verification email if there was an email change
54       if previous_email.ne(email) {
55         send_verification_email(
56           &local_user_view,
57           email,
58           &mut context.pool(),
59           context.settings(),
60         )
61         .await?;
62       }
63     }
64
65     // When the site requires email, make sure email is not Some(None). IE, an overwrite to a None value
66     if let Some(email) = &email {
67       if email.is_none() && site_view.local_site.require_email_verification {
68         return Err(LemmyErrorType::EmailRequired)?;
69       }
70     }
71
72     if let Some(Some(bio)) = &bio {
73       is_valid_bio_field(bio)?;
74     }
75
76     if let Some(Some(display_name)) = &display_name {
77       is_valid_display_name(
78         display_name.trim(),
79         site_view.local_site.actor_name_max_length as usize,
80       )?;
81     }
82
83     if let Some(Some(matrix_user_id)) = &matrix_user_id {
84       is_valid_matrix_id(matrix_user_id)?;
85     }
86
87     let local_user_id = local_user_view.local_user.id;
88     let person_id = local_user_view.person.id;
89     let default_listing_type = data.default_listing_type;
90     let default_sort_type = data.default_sort_type;
91     let theme = sanitize_html_opt(&data.theme);
92
93     let person_form = PersonUpdateForm::builder()
94       .display_name(display_name)
95       .bio(bio)
96       .matrix_user_id(matrix_user_id)
97       .bot_account(data.bot_account)
98       .avatar(avatar)
99       .banner(banner)
100       .build();
101
102     Person::update(&mut context.pool(), person_id, &person_form)
103       .await
104       .with_lemmy_type(LemmyErrorType::UserAlreadyExists)?;
105
106     if let Some(discussion_languages) = data.discussion_languages.clone() {
107       LocalUserLanguage::update(&mut context.pool(), discussion_languages, local_user_id).await?;
108     }
109
110     // If generate_totp is Some(false), this will clear it out from the database.
111     let (totp_2fa_secret, totp_2fa_url) = if let Some(generate) = data.generate_totp_2fa {
112       if generate {
113         let secret = generate_totp_2fa_secret();
114         let url =
115           build_totp_2fa(&site_view.site.name, &local_user_view.person.name, &secret)?.get_url();
116         (Some(Some(secret)), Some(Some(url)))
117       } else {
118         (Some(None), Some(None))
119       }
120     } else {
121       (None, None)
122     };
123
124     let local_user_form = LocalUserUpdateForm::builder()
125       .email(email)
126       .show_avatars(data.show_avatars)
127       .show_read_posts(data.show_read_posts)
128       .show_new_post_notifs(data.show_new_post_notifs)
129       .send_notifications_to_email(data.send_notifications_to_email)
130       .show_nsfw(data.show_nsfw)
131       .blur_nsfw(data.blur_nsfw)
132       .auto_expand(data.auto_expand)
133       .show_bot_accounts(data.show_bot_accounts)
134       .show_scores(data.show_scores)
135       .default_sort_type(default_sort_type)
136       .default_listing_type(default_listing_type)
137       .theme(theme)
138       .interface_language(data.interface_language.clone())
139       .totp_2fa_secret(totp_2fa_secret)
140       .totp_2fa_url(totp_2fa_url)
141       .open_links_in_new_tab(data.open_links_in_new_tab)
142       .infinite_scroll_enabled(data.infinite_scroll_enabled)
143       .build();
144
145     let local_user_res =
146       LocalUser::update(&mut context.pool(), local_user_id, &local_user_form).await;
147     let updated_local_user = match local_user_res {
148       Ok(u) => u,
149       Err(e) => {
150         let err_type = if e.to_string()
151           == "duplicate key value violates unique constraint \"local_user_email_key\""
152         {
153           LemmyErrorType::EmailAlreadyExists
154         } else {
155           LemmyErrorType::UserAlreadyExists
156         };
157
158         return Err(e).with_lemmy_type(err_type);
159       }
160     };
161
162     // Return the jwt
163     Ok(LoginResponse {
164       jwt: Some(
165         Claims::jwt(
166           updated_local_user.id.0,
167           &context.secret().jwt_secret,
168           &context.settings().hostname,
169         )?
170         .into(),
171       ),
172       verify_email_sent: false,
173       registration_created: false,
174     })
175   }
176 }