License federation (#343)

* Federate license

* Make it possible to use no license

plume-common/src/activity_pub/mod.rs

@@ -220,3 +220,12 @@ pub struct Source {
 }
 
 impl Object for Source {}
+
+#[derive(Clone, Debug, Default, Deserialize, Serialize, Properties)]
+#[serde(rename_all = "camelCase")]
+pub struct Licensed {
+    #[activitystreams(concrete(String), functional)]
+    pub license: Option<serde_json::Value>,
+}
+
+impl Object for Licensed {}

plume-models/src/posts.rs

@@ -1,4 +1,5 @@
 use activitypub::{
+    CustomObject,
     activity::{Create, Delete, Update},
     link,
     object::{Article, Image, Tombstone},
@@ -18,7 +19,7 @@ use plume_api::posts::PostEndpoint;
 use plume_common::{
     activity_pub::{
         inbox::{Deletable, FromActivity},
-        Hashtag, Id, IntoId, Source, PUBLIC_VISIBILTY,
+        Hashtag, Id, IntoId, Licensed, Source, PUBLIC_VISIBILTY,
     },
     utils::md_to_html,
 };
@@ -32,6 +33,8 @@ use tags::Tag;
 use users::User;
 use {ap_url, Connection, BASE_URL};
 
+pub type LicensedArticle = CustomObject<Licensed, Article>;
+
 #[derive(Queryable, Identifiable, Serialize, Clone, AsChangeset)]
 #[changeset_options(treat_none_as_null = "true")]
 pub struct Post {
@@ -418,7 +421,7 @@ impl Post {
         })
     }
 
-    pub fn to_activity(&self, conn: &Connection) -> Article {
+    pub fn to_activity(&self, conn: &Connection) -> LicensedArticle {
         let mut to = self.get_receivers_urls(conn);
         to.push(PUBLIC_VISIBILTY.to_string());
 
@@ -516,7 +519,9 @@ impl Post {
             .object_props
             .set_cc_link_vec::<Id>(vec![])
             .expect("Post::to_activity: cc error");
-        article
+        let mut license = Licensed::default();
+        license.set_license_string(self.license.clone()).expect("Post::to_activity: license error");
+        LicensedArticle::new(article, license)
     }
 
     pub fn create_activity(&self, conn: &Connection) -> Create {
@@ -527,7 +532,7 @@ impl Post {
             .expect("Post::create_activity: id error");
         act.object_props
             .set_to_link_vec::<Id>(
-                article
+                article.object
                     .object_props
                     .to_link_vec()
                     .expect("Post::create_activity: Couldn't copy 'to'"),
@@ -535,7 +540,7 @@ impl Post {
             .expect("Post::create_activity: to error");
         act.object_props
             .set_cc_link_vec::<Id>(
-                article
+                article.object
                     .object_props
                     .cc_link_vec()
                     .expect("Post::create_activity: Couldn't copy 'cc'"),
@@ -558,7 +563,7 @@ impl Post {
             .expect("Post::update_activity: id error");
         act.object_props
             .set_to_link_vec::<Id>(
-                article
+                article.object
                     .object_props
                     .to_link_vec()
                     .expect("Post::update_activity: Couldn't copy 'to'"),
@@ -566,7 +571,7 @@ impl Post {
             .expect("Post::update_activity: to error");
         act.object_props
             .set_cc_link_vec::<Id>(
-                article
+                article.object
                     .object_props
                     .cc_link_vec()
                     .expect("Post::update_activity: Couldn't copy 'cc'"),
@@ -577,44 +582,48 @@ impl Post {
             .expect("Post::update_activity: actor error");
         act.update_props
             .set_object_object(article)
-            .expect("Article::update_activity: object error");
+            .expect("Post::update_activity: object error");
         act
     }
 
-    pub fn handle_update(conn: &Connection, updated: &Article, searcher: &Searcher) {
-        let id = updated
+    pub fn handle_update(conn: &Connection, updated: &LicensedArticle, searcher: &Searcher) {
+        let id = updated.object
             .object_props
             .id_string()
             .expect("Post::handle_update: id error");
         let mut post = Post::find_by_ap_url(conn, &id).expect("Post::handle_update: finding error");
 
-        if let Ok(title) = updated.object_props.name_string() {
+        if let Ok(title) = updated.object.object_props.name_string() {
             post.slug = title.to_kebab_case();
             post.title = title;
         }
 
-        if let Ok(content) = updated.object_props.content_string() {
+        if let Ok(content) = updated.object.object_props.content_string() {
             post.content = SafeString::new(&content);
         }
 
-        if let Ok(subtitle) = updated.object_props.summary_string() {
+        if let Ok(subtitle) = updated.object.object_props.summary_string() {
             post.subtitle = subtitle;
         }
 
-        if let Ok(ap_url) = updated.object_props.url_string() {
+        if let Ok(ap_url) = updated.object.object_props.url_string() {
             post.ap_url = ap_url;
         }
 
-        if let Ok(source) = updated.ap_object_props.source_object::<Source>() {
+        if let Ok(source) = updated.object.ap_object_props.source_object::<Source>() {
             post.source = source.content;
         }
 
+        if let Ok(license) = updated.custom_props.license_string() {
+            post.license = license;
+        }
+
         let mut txt_hashtags = md_to_html(&post.source)
             .2
             .into_iter()
             .map(|s| s.to_camel_case())
             .collect::<HashSet<_>>();
-        if let Some(serde_json::Value::Array(mention_tags)) = updated.object_props.tag.clone() {
+        if let Some(serde_json::Value::Array(mention_tags)) = updated.object.object_props.tag.clone() {
             let mut mentions = vec![];
             let mut tags = vec![];
             let mut hashtags = vec![];
@@ -782,8 +791,10 @@ impl Post {
     }
 }
 
-impl<'a> FromActivity<Article, (&'a Connection, &'a Searcher)> for Post {
-    fn from_activity((conn, searcher): &(&'a Connection, &'a Searcher), article: Article, _actor: Id) -> Post {
+impl<'a> FromActivity<LicensedArticle, (&'a Connection, &'a Searcher)> for Post {
+    fn from_activity((conn, searcher): &(&'a Connection, &'a Searcher), article: LicensedArticle, _actor: Id) -> Post {
+        let license = article.custom_props.license_string().unwrap_or_default();
+        let article = article.object;
         if let Some(post) = Post::find_by_ap_url(
             conn,
             &article.object_props.id_string().unwrap_or_default(),
@@ -829,7 +840,7 @@ impl<'a> FromActivity<Article, (&'a Connection, &'a Searcher)> for Post {
                             .expect("Post::from_activity: content error"),
                     ),
                     published: true,
-                    license: String::from("CC-BY-SA"), // TODO
+                    license: license,
                     // FIXME: This is wrong: with this logic, we may use the display URL as the AP ID. We need two different fields
                     ap_url: article.object_props.url_string().unwrap_or_else(|_|
                         article

po/de.po

@@ -609,6 +609,13 @@ msgstr "Administration"
 msgid "None"
 msgstr ""
 
+#, fuzzy
+msgid "Let it empty reserve all rights"
+msgstr "Falls es dies nicht gibt, lass es leer"
+
+msgid "All rights reserved."
+msgstr ""
+
 #~ msgid "Home to"
 #~ msgstr "Heimat von"
 

po/en.po

@@ -593,3 +593,9 @@ msgstr ""
 
 msgid "None"
 msgstr ""
+
+msgid "Let it empty reserve all rights"
+msgstr ""
+
+msgid "All rights reserved."
+msgstr ""

po/fr.po

@@ -609,3 +609,10 @@ msgstr "Illustration"
 
 msgid "None"
 msgstr "Aucun"
+
+#, fuzzy
+msgid "Let it empty reserve all rights"
+msgstr "Laisser vide s’il n’y en a pas"
+
+msgid "All rights reserved."
+msgstr ""

po/gl.po

@@ -600,6 +600,13 @@ msgstr "Administración"
 msgid "None"
 msgstr ""
 
+#, fuzzy
+msgid "Let it empty reserve all rights"
+msgstr "Deixar baldeiro si non hai ningunha"
+
+msgid "All rights reserved."
+msgstr ""
+
 #~ msgid "Home to"
 #~ msgstr "Fogar de"
 

po/it.po

@@ -603,6 +603,13 @@ msgstr "Amministrazione"
 msgid "None"
 msgstr ""
 
+#, fuzzy
+msgid "Let it empty reserve all rights"
+msgstr "Lascialo vuoto se non è presente nessuno"
+
+msgid "All rights reserved."
+msgstr ""
+
 #~ msgid "Home to"
 #~ msgstr "Casa di"
 

po/ja.po

@@ -595,6 +595,13 @@ msgstr "図"
 msgid "None"
 msgstr "なし"
 
+#, fuzzy
+msgid "Let it empty reserve all rights"
+msgstr "不要な場合は空にしてください"
+
+msgid "All rights reserved."
+msgstr ""
+
 #~ msgid "Welcome to {{ instance_name | escape }}"
 #~ msgstr "{{ instance_name | escape }} へようこそ"
 

po/nb.po

@@ -615,6 +615,12 @@ msgstr "Administrasjon"
 msgid "None"
 msgstr ""
 
+msgid "Let it empty reserve all rights"
+msgstr ""
+
+msgid "All rights reserved."
+msgstr ""
+
 #~ msgid "Home to"
 #~ msgstr "Hjem for"
 

po/pl.po

@@ -609,6 +609,13 @@ msgstr "Ilustracja"
 msgid "None"
 msgstr "Brak"
 
+#, fuzzy
+msgid "Let it empty reserve all rights"
+msgstr "Pozostaw puste, jeżeli niepotrzebne"
+
+msgid "All rights reserved."
+msgstr ""
+
 #~ msgid "Home to"
 #~ msgstr "Dom dla"
 

po/plume.pot

@@ -579,3 +579,9 @@ msgstr ""
 
 msgid "None"
 msgstr ""
+
+msgid "Let it empty reserve all rights"
+msgstr ""
+
+msgid "All rights reserved."
+msgstr ""

po/ru.po

@@ -620,6 +620,13 @@ msgstr "Иллюстрация"
 msgid "None"
 msgstr "Нет"
 
+#, fuzzy
+msgid "Let it empty reserve all rights"
+msgstr "Оставьте пустым если нет"
+
+msgid "All rights reserved."
+msgstr ""
+
 #~ msgid "Home to"
 #~ msgstr "Дом для"
 

src/routes/posts.rs

@@ -1,4 +1,3 @@
-use activitypub::object::Article;
 use chrono::Utc;
 use heck::{CamelCase, KebabCase};
 use rocket::request::LenientForm;
@@ -89,7 +88,7 @@ pub fn details_response(blog: String, slug: String, conn: DbConn, user: Option<U
 }
 
 #[get("/~/<blog>/<slug>", rank = 3)]
-pub fn activity_details(blog: String, slug: String, conn: DbConn, _ap: ApRequest) -> Result<ActivityStream<Article>, Option<String>> {
+pub fn activity_details(blog: String, slug: String, conn: DbConn, _ap: ApRequest) -> Result<ActivityStream<LicensedArticle>, Option<String>> {
     let blog = Blog::find_by_fqn(&*conn, &blog).ok_or(None)?;
     let post = Post::find_by_slug(&*conn, &slug, blog.id).ok_or(None)?;
     if post.published {
@@ -123,11 +122,13 @@ pub fn new(blog: String, user: User, conn: DbConn, intl: I18n) -> Option<Ructe>
             &(&*conn, &intl.catalog, Some(user)),
             b,
             false,
-            &NewPostForm::default(),
+            &NewPostForm {
+                license: Instance::get_local(&*conn).map(|i| i.default_license).unwrap_or_else(||String::from("CC-BY-SA")),
+                ..NewPostForm::default()
+            },
             true,
             None,
             ValidationErrors::default(),
-            Instance::get_local(&*conn).expect("posts::new error: Local instance is null").default_license,
             medias
         )))
     }
@@ -171,7 +172,6 @@ pub fn edit(blog: String, slug: String, user: User, conn: DbConn, intl: I18n) ->
             !post.published,
             Some(post),
             ValidationErrors::default(),
-            Instance::get_local(&*conn).expect("posts::new error: Local instance is null").default_license,
             medias
         )))
     }
@@ -209,12 +209,6 @@ pub fn update(blog: String, slug: String, user: User, conn: DbConn, form: Lenien
         } else {
             let (content, mentions, hashtags) = utils::md_to_html(form.content.to_string().as_ref());
 
-            let license = if !form.license.is_empty() {
-                form.license.to_string()
-            } else {
-                Instance::get_local(&*conn).map(|i| i.default_license).unwrap_or_else(|| String::from("CC-BY-SA"))
-            };
-
             // update publication date if when this article is no longer a draft
             let newly_published = if !post.published && !form.draft {
                 post.published = true;
@@ -229,7 +223,7 @@ pub fn update(blog: String, slug: String, user: User, conn: DbConn, form: Lenien
             post.subtitle = form.subtitle.clone();
             post.content = SafeString::new(&content);
             post.source = form.content.clone();
-            post.license = license;
+            post.license = form.license.clone();
             post.cover_id = form.cover;
             post.update(&*conn, &searcher);
             let post = post.update_ap_url(&*conn);
@@ -270,7 +264,6 @@ pub fn update(blog: String, slug: String, user: User, conn: DbConn, form: Lenien
             form.draft.clone(),
             Some(post),
             errors.clone(),
-            Instance::get_local(&*conn).expect("posts::new error: Local instance is null").default_license,
             medias.clone()
         ));
         Err(Some(temp))
@@ -330,11 +323,7 @@ pub fn create(blog_name: String, form: LenientForm<NewPostForm>, user: User, con
                 title: form.title.to_string(),
                 content: SafeString::new(&content),
                 published: !form.draft,
-                license: if !form.license.is_empty() {
-                    form.license.to_string()
-                } else {
-                    Instance::get_local(&*conn).map(|i| i.default_license).unwrap_or_else(||String::from("CC-BY-SA"))
-                },
+                license: form.license.clone(),
                 ap_url: "".to_string(),
                 creation_date: None,
                 subtitle: form.subtitle.clone(),
@@ -390,7 +379,6 @@ pub fn create(blog_name: String, form: LenientForm<NewPostForm>, user: User, con
             form.draft,
             None,
             errors.clone(),
-            Instance::get_local(&*conn).expect("posts::new error: Local instance is null").default_license,
             medias
         ))))
     }

src/routes/user.rs

@@ -1,4 +1,4 @@
-use activitypub::{activity::Create, collection::OrderedCollection, object::Article};
+use activitypub::{activity::Create, collection::OrderedCollection};
 use atom_syndication::{Entry, FeedBuilder};
 use rocket::{
     http::{ContentType, Cookies},
@@ -18,7 +18,7 @@ use plume_common::activity_pub::{
 };
 use plume_common::utils;
 use plume_models::{
-    blogs::Blog, db_conn::DbConn, follows, headers::Headers, instance::Instance, posts::Post,
+    blogs::Blog, db_conn::DbConn, follows, headers::Headers, instance::Instance, posts::{LicensedArticle, Post},
     reshares::Reshare, users::*,
 };
 use routes::Page;
@@ -56,7 +56,7 @@ pub fn details(
         let searcher = searcher.clone();
         worker.execute(move || {
             for create_act in user_clone.fetch_outbox::<Create>() {
-                match create_act.create_props.object_object::<Article>() {
+                match create_act.create_props.object_object::<LicensedArticle>() {
                     Ok(article) => {
                         Post::from_activity(
                             &(&*fetch_articles_conn, &searcher),

templates/posts/details.rs.html

@@ -53,7 +53,13 @@
         @Html(&article.content)
     </article>
     <div class="article-meta">
-        <p>@i18n!(ctx.1, "This article is under the {0} license."; &article.license)</p>
+        <p>
+            @if article.license.is_empty() {
+                @i18n!(ctx.1, "All rights reserved."; &article.license)
+            } else {
+                @i18n!(ctx.1, "This article is under the {0} license."; &article.license)
+            }
+        </p>
         <ul class="tags">
             @for tag in tags {
                 @if !tag.is_hashtag {

templates/posts/new.rs.html

@@ -8,7 +8,7 @@
 @use routes::posts::NewPostForm;
 @use routes::*;
 
-@(ctx: BaseContext, blog: Blog, editing: bool, form: &NewPostForm, is_draft: bool, article: Option<Post>, errors: ValidationErrors, default_license: String, medias: Vec<Media>)
+@(ctx: BaseContext, blog: Blog, editing: bool, form: &NewPostForm, is_draft: bool, article: Option<Post>, errors: ValidationErrors, medias: Vec<Media>)
 
 @:base(ctx, &i18n!(ctx.1, if editing { "Edit {0}" } else { "New post" }; &form.title), {}, {}, {
     <h1>
@@ -35,7 +35,7 @@
 
         @input!(ctx.1, tags (optional text), "Tags, separated by commas", form, errors.clone(), "")
 
-        @input!(ctx.1, license (optional text), "License", &i18n!(ctx.1, "Default license will be {0}"; &default_license), form, errors, "")
+        @input!(ctx.1, license (optional text), "License", "Let it empty reserve all rights", form, errors, "")
 
         <label for="cover">@i18n!(ctx.1, "Illustration")<small>@i18n!(ctx.1, "Optional")</small></label>
         <select id="cover" name="cover">