From 80aef61aed29d25099835ee4769bb8e1e363eb47 Mon Sep 17 00:00:00 2001
From: nutomic <nutomic@noreply.yerbamate.dev>
Date: Fri, 10 Jul 2020 18:15:41 +0000
Subject: Split code into cargo workspaces (#67)

More fixes

- fixed docker builds
- fixed mentions regex test
- fixed DATABASE_URL stuff
- change schema path in diesel.toml

Address review comments

- add jsonb column back into activity table
- remove authors field from cargo.toml
- adjust LEMMY_DATABASE_URL env var usage
- rename all occurences of LEMMY_DATABASE_URL to DATABASE_URL

Decouple utils and db

Split code into cargo workspaces

Co-authored-by: Felix Ableitner <me@nutomic.com>
Reviewed-on: https://yerbamate.dev/LemmyNet/lemmy/pulls/67
---
 server/src/api/claims.rs | 73 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 server/src/api/claims.rs

(limited to 'server/src/api/claims.rs')

diff --git a/server/src/api/claims.rs b/server/src/api/claims.rs
new file mode 100644
index 00000000..eec9d1a7
--- /dev/null
+++ b/server/src/api/claims.rs
@@ -0,0 +1,73 @@
+use diesel::{result::Error, PgConnection};
+use jsonwebtoken::{decode, encode, DecodingKey, EncodingKey, Header, TokenData, Validation};
+use lemmy_db::{user::User_, Crud};
+use lemmy_utils::{is_email_regex, settings::Settings};
+use serde::{Deserialize, Serialize};
+
+type Jwt = String;
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Claims {
+  pub id: i32,
+  pub username: String,
+  pub iss: String,
+  pub show_nsfw: bool,
+  pub theme: String,
+  pub default_sort_type: i16,
+  pub default_listing_type: i16,
+  pub lang: String,
+  pub avatar: Option<String>,
+  pub show_avatars: bool,
+}
+
+impl Claims {
+  pub fn decode(jwt: &str) -> Result<TokenData<Claims>, jsonwebtoken::errors::Error> {
+    let v = Validation {
+      validate_exp: false,
+      ..Validation::default()
+    };
+    decode::<Claims>(
+      &jwt,
+      &DecodingKey::from_secret(Settings::get().jwt_secret.as_ref()),
+      &v,
+    )
+  }
+
+  pub fn jwt(user: User_, hostname: String) -> Jwt {
+    let my_claims = Claims {
+      id: user.id,
+      username: user.name.to_owned(),
+      iss: hostname,
+      show_nsfw: user.show_nsfw,
+      theme: user.theme.to_owned(),
+      default_sort_type: user.default_sort_type,
+      default_listing_type: user.default_listing_type,
+      lang: user.lang.to_owned(),
+      avatar: user.avatar.to_owned(),
+      show_avatars: user.show_avatars.to_owned(),
+    };
+    encode(
+      &Header::default(),
+      &my_claims,
+      &EncodingKey::from_secret(Settings::get().jwt_secret.as_ref()),
+    )
+    .unwrap()
+  }
+
+  // TODO: move these into user?
+  pub fn find_by_email_or_username(
+    conn: &PgConnection,
+    username_or_email: &str,
+  ) -> Result<User_, Error> {
+    if is_email_regex(username_or_email) {
+      User_::find_by_email(conn, username_or_email)
+    } else {
+      User_::find_by_username(conn, username_or_email)
+    }
+  }
+
+  pub fn find_by_jwt(conn: &PgConnection, jwt: &str) -> Result<User_, Error> {
+    let claims: Claims = Claims::decode(&jwt).expect("Invalid token").claims;
+    User_::read(&conn, claims.id)
+  }
+}
-- 
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